bluuebunny/crossref_metadata_2025 huggingface dataset:
PENERAPAN SISTEM TEKNOLOGI AUTOMATISASI GUNA MENUNJANG PROSES COAL SUPPLY CHAIN DI ROM STOCKPILE PT. ADARO INDONESIA
Authors: Arif Rahman
Published: March 2020

ABSTRAK ROM Stockpile merupakan fasilitas yang sangat penting pada rantai pasok batubara PT. Adaro Indonesia karena merupakan gudang yang setiap aktivitas didalamnya harus dipastikan berjalan dengan excellent. Terdapat 11 ROM Stockpile di seluruh wilayah operasional PT. Adaro Indonesia  yang perlu di kontrol dan di manage agar tidak menimbulkan efek pada proses selanjutnya. Adapun kesalahan proses selanjutnya yang dimaksud  seperti kesalahan kualitas batubara yang diangkut ke tongkang akibat miss informasi dan laporan volume stock ROM yang keliru. Untuk mengatasi hal ini PT. Adaro Indonesia menerapkan system automatisasi dan teknologi pada ROM stockpile nya agar mencegah error pada proses selanjunya tersebut. Adapun upaya system yang di terapkan adalah pemasangan RFID dan perangkatnya pada in-out ROM, serta pengambilan data stock ROM harian dengan menggunakan fotogrametri (drone) untuk meningkatkan accuracy pelaporan stock ROM sebagai acuan perencanaan hauling hariannya. Dengan penerepan sistem-sistem yang dijelaskan diatas, hasil aktualnya sesuai dengan yang diharapkan yakni membuat kesalahan pada proses selanjutnya akibat operasional ROM frekuensinya menjadi menurun dan aktivitas di ROM berjalan semakin efektif dan efisien.           Kata kunci: ROM Stockpile, Accuracy, RFID, Fotogrametri  ABSTRACT ROM Stockpile is a very important facility in the coal supply chain of PT. Adaro Indonesia because it is a warehouse that every activity in it must be ensured to run excellently. There are 11 ROM Stockpiles in all operational areas of PT. Adaro Indonesia that needs to be controlled and managed so as not to have an effect on the next process. The subsequent process errors are referred to as coal quality errors transported to the barge due to miss information and incorrect ROM stock volume reports. To overcome this, PT. Adaro Indonesia applies an automation system and technology to its stockpile ROM to prevent errors in the next process. The system effort applied is the installation of RFID and its devices in in-out ROM, as well as daily stock ROM data collection using photogrammetry (drones) to improve reporting accuracy of ROM stock as a reference for daily hauling planning. With the foregoing of the systems described above, the actual results are as expected, which is to make mistakes in the next process due to the operational frequency of the ROM being decreased and the activities in the ROM running more effectively and efficiently. Keywords: ROM Stockpile, Accuracy, RFID, Photogrammetry
TELEGRAM MESSENGER BOT FOR REALTIME MINE OPERATION REPORTS
Authors: Ardhianto Reza
Published: March 2020

ABSTRAKInformasi realtime sangat penting untuk mendukung kegiatan operasional di tambang Batu Hijau PT. Amman Mineral Nusa tenggara. Selama ini salah satu metode yang digunakan dalam pendistribusian informasi realtime adalah dengan menggunakan MORS SMS Broadcaster yang telah dikembangkan oleh seksi Fleet Management System Data Analyst yang memanfaatkan layanan GSM Short Message Service (SMS) dari operator seluler. Namun seiring dengan bertambahnya informasi yang harus diberikan dan semakin banyak jumlah pengguna layanan tersebut menjadikan pendistribusian informasi menggunakan SMS semakin tidak efektif dari sisi biaya. Keterbatasan dari sisi format pesan jumlah karakter yang dapat dikirimkan menggunakan layanan SMS juga semakin menurunkan kualitas informasi yang dapat diberikan. Untuk mengatasi kekurangan yang ada di sistem sebelumnya, perlu dikembangkan sistem/layanan baru dalam pendistribusian informasi realtime yang lebih efisien dari sisi biaya dan dapat meningkatkan kualitasi informasi yang disampaikan. Dari perbandingan terhadap beberapa alternatif aplikasi yang sejenis, Telegram dipilih untuk digunakan dalam pengembangan sistem baru karena lebih unggul dalam beberapa parameter perbandingan yang telah ditetapkan. Penggunaan fitur Telegram Bot juga telah memberikan dampak signifikan terhadap efisiensi biaya dan kualitas informasi laporan yang diberikan untuk mendukung kegiatan operasional dalam menjaga dan meningkatkan produktivitas tambang. Kata Kunci : informasi realtime, Short Message Service, Telegram, Bot, produktivitas tambang   ABSTRACT Realtime information is very important to support operational activities at PT. Amman Mineral Nusa Tenggara’s Batu Hijau mine. One of the methods used in the distribution of realtime information is to use MORS SMS Broadcaster which has been developed by the Fleet Management System Data Analyst section that utilizes GSM Short Message Service (SMS) services from cellular operators. But along with the increase in information that need to be provided and the increasing number of users of these service makes the distribution of information using SMS increasingly ineffective in terms of cost. Limitations in message format and the number of characters that can be sent in a single SMS also further degrades the quality of information that can be provided. To overcome the weaknesses that exist in the previous system, new systems / services need to be developed to distribute realtime information that is more efficient in terms of cost and can improve the quality of information delivered. From a comparison of several similar application alternatives, Telegram was chosen for use in the development of a new system because it was superior in a number of predetermined comparison parameters. The use of the Telegram Bot feature has also had a significant impact on the cost efficiency and quality of report information delivery to support operational activities in maintaining and increasing mine productivity.  Keywords : realtime information, Short Message Service, Telegram, Bot, mine productivity
HAUL ROAD CONDITION MONITORING USING SENSORS AND GNSS DATA
Authors: Ardian Muhammad , Ruben A. Sahala , Ardhianto Reza
Published: March 2020

ABSTRAK Salah satu faktor agar mendapatkan performa alat angkut yang baik adalah dengan kondisi jalan angkut yang baik. Oleh karena itu, perlu diantisipasi dengan cara melakukan rekayasa engineering terhadap hal yang berpotensi menimbulkan kondisi jalan yang tidak baik. Dalam pembuatan prototype aplikasi ini digunakan data sensor strut pressure data GNSS (Global Navigation Satellite System) sebagai teknologi untuk melakukan pengawasan terhadap kondisi jalan. Penggunaan sistem pengawasan jalan tambang menggunakan data sensor strut pressure dan data GNSS diharapkan dapat membantu meningkatkan produktivitas efektivitas dalam pengambilan keputusan terkait dengan kegiatan pengawasan dan pemeliharaan kondisi jalan angkut di area tambang Pit Batu Hijau. Kata Kunci : Jalan Angkut, Fleet Management System, Sensor Strut Pressure, Global Navigation Satellite System, Analisa Data Geospasial  ABSTRACT One of factor to get the good performed of  hauling equipment is good condition of hauling road. Because of this, need to be prevent with engineering method about the things that potential can impact the poor haul road condition. The simulation was performed with using sensor and GNSS (Global Navigation Satellite System) Data as a technology about monitoring haul road condition. Utilizing haul road monitoring system using data sensor and GNSS expect can help to improve the productivity effectivity for interpretation the good decision about monitoring activity and maintain Haul road condition at Pit Batu Hijau.Key Words : Haul Road, Fleet Management System, Sensor Strut Pressure, Global Navigation Satellite System, Geospatial Data Analyst
IMPLEMENTASI METODE THROUGH SEAM BLAST DALAM MENDUKUNG OPERASIONAL PENAMBANGAN BATUBARA DI PIT C1 BLOK 8 BMO 2 PT BERAU COAL
Authors: Aziz Saeful , Putra Qodri Hadi , Brilianto Aldo , Supriharta Ida Wayan , Anggana Rahmantha Purba
Published: March 2020

ABSTRAK Tujuan penelitian ini adalah untuk mengetahui: (1) kelayakan metode through seam blast untuk diimplementasikan pada area interburden dan batubara tipis dengan multi-seam. (2) Pengaruh terhadap peningkatan produktivitas, percepatan sekuen penambangan, kualitas batubara, dan konservasi batubara tipis. Dalam penelitian ini penulis bersama team yang yang dibentuk (terdiri dari pihak PT. Berau Coal site BMO 2, PT. Pamapersada Site BRCB, dan PT. DNX Site BMO 2) melakukan perencanaan menggunakan siklus plan, do, check, action (PDCA)  terkait metode through seam blast dimana plan didukung dengan pendekatan konsep specipic, measurable, achievable, realistic dan timely (SMART). Pengumpulan data dilakukan dengan melakukan empat kali trial through seam blast. Hasil penelitian menunjukan bahwa : 1) Metode Through Seam Blast memungkinkan diimplementasikan di Pit C1 Blok 8 BMO 2 PT Berau Coal. (2) Terjadi peningkatan produktivitas alat gali muat sebesar 35 bcm/jam pada kelas PC-1200, mengurangi frekuensi blasting dari 2-3 kali menjadi 1 kali pada luasan area yang sama, adanya deviasi ash batubara tertambang (terhadap as batubara insitu)  yang masih masuk dalam toleransi sebesar 2.75%, mine recovery tetap terjadi ≥98%.                       Kata kunci: through seam blast, produktivitas alat gali muat, frekuensi blasting, kualitas batubara, mine recovery  ABSTRACT The purpose of this study is to determine: (1) the feasibility of the through seam blast method to be implemented in inter burden areas and thin coal with multi-seam. (2) Effects on increasing productivity, acceleration of mining sequences, coal quality, and conservation of thin coal. In this study the authors together with the team formed (consisting of PT. Berau Coal site BMO 2, PT. Pamapersada Site BRCB, and PT. DNX Site BMO 2) do the planning using the related cycle plan, do, check, action (PDCA) a through seam blast method where the plan is supported by a specific, measurable, achievable, realistic and timely (SMART) concept approach. Data collection was carried out by conducting four trial through seam blasts. The results showed that: 1) Through Seam Blast method is possible to be implemented in Pit C1 Block 8 BMO 2 PT Berau Coal. (2) An increase in the productivity of the loading and unloading tool by 35 bcm / hour in PC-1200 class, reducing the frequency of blasting from 2-3 times to 1 time in the same area, the deviation of mined coal ash (against the coal as in situ) still within tolerance of 2.75%, mine recovery still occurs ≥98%. Keywords: through seam blast, digger productivity, blasting frequency, coal quality, mine recovery
MANAJEMEN GETARAN UNTUK KESETABILAN LERENG DENGAN METODE “SIGNATURE HOLE ANALISYS” DALAM KEGIATAN PELEDAKAN TAMBANG TERBUKA
Authors: Isnaya Muhammad Syafiq , Bellico Fadhil , Priyanggoro Dwi Agung
Published: March 2020

ABSTRAK Pit 10 merupakan wilayah operasional PT. Alamjaya Bara Pratama dalam kegiatan peledakan bekerjasama dengan PT. Multi Nitrotama Kimia sebagai penyedia bahan peledak dan jasa peledakan. Salah satu dampak yang ditimbulkan dari kegiatan peledakan adalah Ground Vibration yang akan mempengaruhi kestabilan lereng pada area pit 10. Desain akhir lereng pada pit 10 menunjukan batas maksimal Peak Particle Acceleration (amax)  yang dapat diterima lereng akibat hasil peledakan sebesar 0,07g, sehingga perlu adanya manajemen getaran agar getaran yang dihasilkan oleh kegiatan peledakan tidak mempengaruhi kestabilan lereng di area Pit 10. Penelitian dan percobaan dilakukan menggunakan metode Signature Hole Analysis (SHA) untuk pemetaan terhadap perambatan gelombang di setiap range blok – strip tertentu untuk kemudian digunakan untuk memodelkan dan memprediksi getaran yang diakibatkan oleh kegiatan peledakan pada setiap blok – strip. Metode Signature Hole Analysis yang dikombinasikan dengan pendekatan Scaled Distance, berhasil menjadi solusi dalam tata kelola getaran peledakan di Pit 10. Hasilnya, sepanjang tahun 2019 berjalan, tidak ada isu berkenaan dengan bagian geoteknik dari lereng-lereng di seputaran area operasional Pit 10. Pendekatan Signature Hole Analysis dan kontrol bersama tim Geoteknik menghasilkan kerjasama yang baik serta tata kelola kestabilan lereng menjadi lebih aman. Kaca Kunci : Kestabilan Lereng, Peledakan, Signature Hole Analysis  ABSTRACT Pit 10 is operational area of PT. Alamjaya Bara Pratama  the blasting activity carried out with PT. Multi Nitrotama Kimia as provider of explosive and blasting service. One of the impact blasting activity is Ground Vibration which will affect the stability of the slope in the area pit 10. The final slope design in pit 10 shows the maximum limit of peak particle acceleration (amax) that can’t be exceed by 0,07g. its very necessary to manage the ground vibration so the vibration produced by blasting activity do not affect the stability of the slope in pit 10. Research and experiment conducted using Signature Hole Analysis (SHA) for monitoring wave propagation in each block-strip used to model and predict vibration which caused by the blasting activity. Signature Hole Analysis combined with Scaled Distance has succeeded in becoming the solution of ground vibration management in pit 10. Throughout 2019 there was no problem with geotechnical issues of slopes around the pit 10. Signature Hole Analysis Method and Geotechnical approachment result good impact of a slope stability on pit
PENGARUH JUMLAH KOMPOSIT BATUAN TERHADAP KESTABILAN LERENG TAMBANG TERBUKA BATUBARA MULTI LAPISAN MENGGUNAKAN METODE ELEMEN HINGGA 3 DIMENSI
Authors: Ghifari M Kemal , Azizi Masagus Ahmad , Marwanza Irfan , Anugrahadi Afiat
Published: March 2020

ABSTRAK PT. X memiliki disain rencana tambang (pit plan) tahun 2020, yang memerlukan analisis kestabilan lereng guna mengoptimasi cadangan batubara tertambang dan keselamatan operasi penambangan. Pada penelitian ini, analisis kestabilan lereng menggunakan metode elemen hingga (MEH) 3 dimensi. Di samping itu juga dilakukan analisis probabilistik guna memvalidasi hasil perhitungan MEH 3 dimensi. Kompleksitas lapisan batuan yang cukup banyak pada tambang MIP memberikan kesulitan dalam memodelkan dalam analisis 3D menggunakan MEH. Oleh sebab itu digunakan pendekatan pembobotan parameter karakteristik batuan dalam menelaah keakurasian hasil perhitungan faktor keamanan (FK) dan penentuan lokasi lereng kritis. Secara praktis pendekatan pembobotan ini sudah diterapkan di sejumlah tambang batubara di Indonesia, namun terbatas pada analisis 2D. Oleh sebab itu hasil penelitian ini menjadi suatu pencapaian penting yang dapat disosialisasikan dan diaplikasikan oleh para praktisi geoteknik tambang di Indonesia
PERENCANAAN IN PIT DUMP (IPD) PIT D2 UNTUK OPPORTUNITY REDUCE DISTANCE DAN MITIGASI DARI BAHAYA GEOTEKNIK BLOK 1-4, BINUNGAN MINE OPERATION 1 – PT. BERAU COAL
Authors: Endriantho Muhammad , Ardiansyah Pandu Zea , Prabudi Alex
Published: March 2020

ABSTRAK Pit D2 merupakan salah satu Pit dengan metode tambang terbuka di PT. Berau Coal yang berlokasi di Binungan Mine Operation-1. Pit D2 di kerjakan oleh PT. Sapta Indra Sejati (PT. SIS) sebagai mitra kerja dari PT Berau Coal. Target  produksi tahun 2019 Pit D2 yaitu overburden 16.117.353 BCM, Coal 1.473.686 MT dengan SR 9,59. Pit D2 berada disisi selatan sungai Kelay dan merupakan akses utama jalan hauling coal BMO1 dan transportasi karyawan dari Rumah / mess ke site Tambang BMO1 dan BMO2.Secara LOM, Plan Disposal terdapat pada Out Pit Dump (OPD) D2 dengan kapasitas disposal 30 MBCM pada jarak 2,6 Km dan In Pit Dump K dengan kapasitas disposal 6 MBCM pada jarak 3,2 Km. In Pit Dump K harus dilakukan karena merupakan disposal material rawa Pit D2 tahun 2019 sebanyak 6 MBCM. Salah satu opportunity untuk menurunkan angka distance adalah dengan melakukan In Pit Dump Pit D2 dengan percepatan finishing pit sehingga didapatkan distance 1,8 Km dengan kapasitas 5 MBCM. Kapasitas volume In Pit Dump terbatas dikarenakan perlu kajian geoteknik sehingga disposal In Pit Dump aman dikerjakan. Adapun overall distance 2019 adalah 2,4 km.Secara geoteknik, Pit D2 terdapat struktur geologi kompleks membentuk lembah lipatan (syncline) dan punggung lipatan (anticline) dengan batuan yang bersifat low strength. Adapun seam utama (main seam) batubara yaitu D-2, litologi area Pit D2 memiliki kemiringan perlapisan (dip) 6-10o. Hasil cross section pada desain rencana Pit dengan litologi batuan memperlihatkan adanya potensi bedding undercut di sisi side wall utara. Historical longsor di side wall telah terjadi sebanyak 2 kali dalam waktu 1 Tahun, hasil analisis geoteknik secara LOM desain terjadinya longsoran dikarenakan desain yang membentuk bedding undercut dengan bidang gelincir dibawah seam D-2 yang menyebabkan terjadinya longsoran bidang, ditambah banyaknya joint vertical yang membuat terjadinya longoran toppling. PT. Berau Coal tidak memperbolehkan adanya pemotongan bedding undercut dan masuk dalam 11 Golden Rules PT Berau Coal. Untuk melakukan bedding under cut diperlukan kajian geoteknik untuk analisisnya.Adanya opportunity short distance dan perencanaan mitigasi bahaya geoteknik maka Mine Planner dan Geotechnic Engineer membuat perencanaan  In Pit Dump Pit D2 secara paralel dengan kemajuan tambang, sehingga dari segi perencanaan dibutuhkan timing dan sequence yang tepat untuk mengeksekusi area sidewall utara.
PERUBAHAN STANDAR DESAIN JALAN TAMBANG BOBOKA SITE TANJUNG BULI BERDASARKAN KAJIAN GEOTEKNIK UNTUK MENGURANGI MATERIAL MOVEMENT DAN MEMPERCEPAT DEVELOPMENT JALAN TAMBANG
Authors: Mubarak Zulpryadi , Aditya Eko , MT Dr. Ir. Barlian Dwinagara,
Published: March 2020

ABSTRAK Pada bulan Januari tahun 2018 PT. Antam Tbk UBP Nikel Maluku Utara, site Tanjung Buli, harus melanjutkan development jalan produksi yang bernama jalan tambang Boboka. Jalan tambang Boboka harus digunakan sebagai jalan produksi pada bulan Juli tahun 2018 agar produksi site Tanjung Buli tetap terjaga. Setelah dilakukan desain berdasarkan standar parameter jalan tambang dan dilakukan estimasi waktu development-nya, jalan tambang Boboka diperkirakan selesai diakhir bulan Agustus 2018. Untuk itu harus dilakukan percepatan pembuatan jalan tambang Boboka. Setelah dilakukan penelitian geoteknik, diketahui bahwa perubahan yang dapat dilakukan untuk standar parameter jalan tambang Boboka adalah dengan menambah tinggi jenjang, lebar berm dan sudut lereng keseluruhan. Perubahannya adalah, tinggi jenjang dari 6 meter menjadi 20 meter, lebar berm dari 3 meter menjadi 5 meter dan sudut lereng keseluruhan dari 45⁰ menjadi 55⁰. Untuk sudut kemiringan lereng tunggal tidak ada perubahan yaitu 60⁰. Dari perubahan tersebut diperoleh kenaikan nilai FK dari 1,30 menjadi 1,65. Perubahan standar parameter tersebut membuat moving material dari development jalan tambang Boboka berkurang secara signifikan sehingga waktu development jalan tambang Boboka dapat dipercepat. Selain itu, dengan berkurangnya moving material development jalan tambang Boboka, PT Antam Tbk UBP Nikel Maluku Utara dapat melakukan efisiensi. Kata kunci: jalan tambang, penelitian geoteknik, moving material.  ABSTRACT In January 2018 PT. Antam Tbk UBP Nickel North Maluku, Tanjung Buli site, must continue the development of a production road called the Boboka mining road. The Boboka mine road must be used as a production road in July 2018 so that the production of the Tanjung Buli site is maintained. After the design is based on the standard mining road parameters and estimated development time, the Boboka mine road is estimated to be completed by the end of August 2018. For this reason, acceleration of the construction of the Boboka mine road must be made. After conducting geotechnical research, it is known that changes that can be made to the standard parameters of the Boboka mine road are adding height, berm width and overall slope angle. The changes are, the height of the level from 6 meters to 20 meters, berm width from 3 meters to 5 meters and the overall slope angle from 45⁰ to 55⁰. For a single slope angle there is no change that is 60⁰. From these changes an increase in FK values was obtained from 1,30 to 1,65. The change in standard parameters made the moving material from the development of the Boboka mine road significantly reduced so that the development time of the Boboka mine road could be accelerated. In addition, with the reduction in moving material development of the Boboka mine road, PT Antam Tbk UBP Nickel North Maluku can improve efficiency. Keywords: mining road, geotechnical research, moving material.
ANALISIS STABILITAS TEROWONGAN DANGKAL PADA TANAH LUNAK
Authors: Dhanti Putri Nova Haryu , Saptono Singgih
Published: March 2020

ABSTRAK Pada lima tahun terakhir ini banyak pembangunan yang dilakukan di Indonesia khususnya pembangunan infrastruktur, seperti pembangunan sarana Mass Rapid Transportation (MRT) berupa terowongan di Jakarta, dan berapa terowongan jalan raya dan terowongan jalur kereta api. Hal ini menjadi tantangan bagi para pembuatan terowongan di Indonesia. Tantangan tesebut adalah membuat terowongan jalan raya dan kereta api pada tanah lunak khususnya lempung dan pada kedalaman yang dangkal. Hal ini perlu perhatian khusus, disebabkan oleh sifat lempung yang memiliki sifat swelling dan serta penggalian terowongan tersebut pada kedalamanan kurang dari 100 m. Pendekatan kekuatan batuan sudah tidak dapat digolongan sebagai batuan karena pada umumnya menurut meterial lempung digolongkan sebagai tanah, sehingga teori elastistas sudah tidak berlaku lagi. Pendekatan yang diusulkan untuk analisis stabilitas  pada terowongan di batuan lempung  adalah berperilaku swelling sesuai dengan kandungan mineral penyusunnya yaitu montmorilonit. Untuk itu analisis stabiltas diperlukan parameter swelling. Pada Analisis dengan perilaku sewlling ini menggunakan metode elemen hingga (Phase2, Rocscience). Dengan pendekatan perilaku Swelling dalam  analisis stabilitas terwongan akan lebih mendekati dengan sifat material yang ada di terowongan. Kata kunci: swelling, metode elemen hingga, stabilitas, terowongan  ABSTRACT In the last five years a lot of development has been carried out in Indonesia, especially infrastructure development, such as the construction of Mass Rapid Transportation (MRT) facilities in the form of tunnels in Jakarta, and how many road tunnels and railroad tunnels. This is a challenge for tunnels in Indonesia. The challenge is to build road and rail tunnels on soft soil, especially clays and at shallow depths. This needs special attention, due to the nature of the clay which has swelling properties and the excavation of the tunnel in the depth of less than 100 m. Rock strength approach can no longer be classified as rock because in general according to clay meterial classified as soil, so the theory of electricity is no longer valid. The proposed approach for the stability analysis of tunnels in clay rock is to behave swelling according to its constituent mineral content, montmorillonite. For this reason, stability analysis requires swelling parameters. In this analysis with sewlling behavior using the finite element method (Phase2, Rocscience). With the Swelling behavior approach in the tunnel stability analysis it will be closer to the material properties in the tunnel. Key words : Swelling, Finite Element Method, Stability, Tunnel
Acculturation of expatriate executive managers in Czechia
Authors: Gärtner Michal , Drbohlav Dušan
Published: March 2020

Acculturation of expatriate executive managers was examined in the sample of 16 sojourners working in Czechia using a longitudinal study (questionnaires plus interviews). The aim of this research was to gain a better understanding of the process of acculturation of sojourners responsible for the transfer of management know-how across international borders. The success of their acculturation was measured by the Goldberg‘s GHQ index and satisfaction scales. Two surveys were conducted, six and eighteen months after respondents’ arrival in Czechia, between 2006 and 2010. The results indicate that acculturation of sojourners in Czechia was successful and proceeded approximately according to the Hofstede’s “U” acculturation curve. In addition, several hypotheses concerning the effect of some known predictors of acculturation success were tested.
Analysis of spatial heterogeneity of land cover classes in different natural conditions
Authors: Pazúr Róbert , Oťaheľ Ján , Maretta Martin
Published: March 2020

The aim of this paper is the analysis of landscape heterogeneity in different natural conditions by identification of the composition and spatial configuration of CORINE land cover classes on the 2nd classification level. The results of the analysis by spatial correlogram and more advanced multi-class indicator and semantic variogram pointed out the limitation of a binary (presence/absence) evaluation. Despite the differences, all approaches revealed that natural conditions determine the occurrence and compositions of land cover classes in different ways.
Analysis of floods in the upper course of the Hron River in 1930–2010
Authors: Blahušiaková Andrea , Matoušková Milada
Published: March 2020

The main focus of this research is concentrated on the flood analyses in the upper course of the Hron River in the period 1930–2010. The study includes an evaluation of the flood seasonality, frequency and extremity in two periods 1930–1991 and 1992–2009. The year 2010 has been added because of a very high amount of precipitation between May–September 2010 which caused extreme flooding. The most extreme flood in the 20th century occurred in October 1974. At the gauging station Banská Bystrica, discharge values reached 560 m3.s−1which corresponds to the 100-year flood. In the last decade, extreme floods occurred in years 2002 and 2010. The main reason for the flooding was an intense rainfall and local storms with high amount of precipitation. The frequency analysis (in equally long periods 1950–1979 and 1980–2009) proved that there is a higher frequency of floods since 1980 (17 in the period 1950–1979 and 27 between 1980–2009). Higher water levels during floods were reached in the period 1950–1979. The summer floods dominate in both observed periods, but winter floods also occurred very often (7 floods in the period 1950–1979 and 12 in 1980–2009). This is due to the hollow relief of the upper course of the Hron River.
Reconstruction of the industrial landscape of the town Nováky and its hinterland based on the profiles of cultural-landscape layers
Authors: Chrastina Peter , Lukáč Rastislav
Published: March 2020

Scientific inquiry in historical geography also focuses on the research of prehistoric and historic landscape and its use. One of the procedures by which it can be done, is the study of profile/profiles of a cultural-landscape layer of a local area. The research of the scientific literature shows that the historical land use and multi-temporal analysis belong to the most widely used methods of research of longterm changes in the landscape. Many cultural and social geographers, landscape ecologists, etc., apply them in their works. To a lesser extent, these procedures also appear in historical geography. The method of profiles of cultural-landscape layers is an alternative, which can supplement a range of procedures used in evaluating the landscape transformation. The article discusses the genesis of the industrial landscape of the town Nováky and its hinterland in the southern part of Prievidzská Basin by the study of profiles of the cultural-landscape layers of the area. The investigated territory belongs to Ponitrianska affected area with a low-quality environment, which has been influenced by chemical and mining industry from the second third of the last century.
Parâmetros Antropométricos e Hábitos Alimentares em Mulheres Hipertensas de uma Unidade de Saúde da Família em Porto Velho, Rondônia, Brasil
Authors: Matos Meryanny Gonçalves Melgar , Oliveira Anderson Melgar , Masiero Fabíula
Published: March 2020

Introdução: A prevalência de hipertensão arterial sofreu aumento nos últimos anos, sendo atribuído como fatores etiopatogênicos elevada circunferência de cintura e maus hábitos alimentares. Objetivos: Investigar os parâmetros antropométricos e os hábitos alimentares de mulheres adultas e a sua correlação com a hipertensão arterial em uma Unidade de Saúde em Porto Velho (RO). Materiais e Métodos: Trata-se de um estudo transversal quantitavo descritivo, realizado em uma amostra de 38 mulheres hipertensas em que os dados foram obtidos através da aferição do Índice de Massa Corporal (IMC), a Circunferência da Cintura (CC) e aplicado um questionário para a avaliação dos hábitos alimentares da população. Na análise estatística foram utilizados os testes Z e Unilateral para a avaliação dos parâmetros antropométricos da amostra populacional, e a Tabela de Grupamento por Intervalos de Classe para tabulação e análise das informações provenientes do questionário alimentar. Resultados: Os resultados obtidos mostraram que 44,73% das entrevistadas estavam com obesidade, um total de 78,94% estavam com CC acima de 88 cm e boa parte delas possuíam conhecimento a respeito dos cuidados com o consumo do sódio. Conclusão: Os hábitos alimentares saudáveis, o controle do peso e das medidas corporais, e a ingestão de sódio controlada possuem relevância fundamental no controle da pressão alta.

Introducion: The arterial hypertension prevalence has increased in recent years. Etiopathogenic factors a`ributed are high waist circumference and poor eating habits. Objec4ves: This research aims to study the anthropometrical parameters and the dietary habits of adult women and their correlation to arterial hypertension in a health care unit in Porto Velho (RO). Materials and Methods: This is a quantitative cross-sectional descriptive study with 38 hypertensive women where the data were obtained from verification of Body Mass Index (BMI), the Waist Circumference (WC) and a questionnaire was submitted to evaluate the population dietary habits. Statistical analysis was used to Z test and unilateral test to anthropometric parameter evaluation of population sample and Grouping Table by intervals class for tab and analysis of the information by dietary questionnaire. Results: The results showed that 44.73% of these women were obese, a total of 78.94% had WC of 88 cm, and most of them knew about the sodium consumption. Conclusion: The healthy dietary habits, weight control and body measurements, and controlled sodium diet have fundamental importance in controlling high blood pressure.
Insects and arachnids of Ardeer, North Ayrshire, Scotland
Authors: Philp B , Hamlin I , Lavery A
Published: April 2020

The Ardeer site on the Garnock Estuary in North Ayrshire, Scotland is considered to be the richest wildlife site in Ayrshire and to be of national significance. It has a rich and varied invertebrate fauna which reflectsthe wide range of habitats present ranging from sand dunes to wetland and woodland. This paper gives an account of some of the insects and arachnids that have been discovered there during recent surveys. A number of current threats are outlined.
Nonlinear Partial Differential Equations Arising from Prescribed Curvature Problems
Authors: Man Chun Leung
Published: March 2020

We consider two prominent nonlinear partial differential equations (nonlinear PDE) linked to the prescribed curvature problems, namely, the Minkowski problem and the KazdanWarner/Nirenberg problem (prescribed scalar curvature problem). This article addresses some of the modern techniques in analysis used to draw out a number of the profound features in these equations.
Análise da qualidade de energia em postos de carregamento de Bicicletas Elétricas
Authors: Rodino Analcisio António
Published: March 2020

O presente artigo visa analisar o impacto que as bicicletas elétricas introduzidas na mobilidade nacional e, consequentemente, a necessidade de carregamento da bateria regularmente podem causar na qualidade de energia elétrica distribuída. O estudo foi conduzido por meio de método analítico, que inclui a análise dos ensaios de carregamento. Para tal, recorreu-se aos ensaios feitos num posto de carregamento rápido de veículo elétrico, de forma a obter uma análise do impacto desta tecnologia na rede de distribuição elétrica. Para os dados recolhidos (tensão, corrente, potências, conteúdo harmónico e equilíbrio de fases), foram apenas analisados os valores médios de cada grandeza, com exceção do conteúdo harmónico em cada ordem, para os quais foram analisados os valores máximos. O registo dos dados foi feito de forma contínua durante todo o intervalo de carregamento, com períodos de amostragem de 1 segundo.
O SER E O TRABALHO: um estudo de avaliação de fatores indicativos de satisfação
Authors: Lima Samuel Rodrigues , Bezerra Sefisa Quixadá , Da Silva Levi Leonido Fernandes , Morgado Elsa Maria Gabriel
Published: March 2020

A satisfação com o trabalho possui importante relevância para o bem-estar dos colaboradores e consequentemente proporciona melhor desempenho em suas atividades. Alguns autores consideram que para se ter noção adequada de como mensurá-la deve-se analisar a relação do colaborador com alguns fatores, dentre os quais sempre são estudados pela literatura da área e por isso escolhidos para compor esse trabalho: a natureza e condições do trabalho, salário, sistema de promoções de cargo, equipe de trabalho e o superior imediato. Neste sentido, o presente estudo buscou avaliar o nível em que os referidos fatores indicativos de satisfação estão impactando no trabalho de colaboradores de um empreendimento no setor de panificação em Sobral-CE. Para tanto, realizou-se uma pesquisa exploratória descritiva referenciada com levantamento de dados em campo, tendo como método o estudo de caso. Os principais autores pesquisados foram Bergamini (2000), Chiavenato (2003), Tamayo (1998), Sarathy e Barbosa (1981) e Martinez e Paraguay (2003). Os resultados demonstraram que quanto às dimensões natureza do trabalho, superior imediato e equipe de trabalho, no local pesquisado, a avaliação foi muito positiva, enquanto as dimensões ascensão de cargo e remuneração demonstraram uma satisfação na média quanto a esses quesitos e, havendo neles a possibilidade de avaliação por parte da empresa. Os resultados das dimensões são coerentes com os dados encontrados na avaliação geral com os indicadores de qualidade de vida.
Digital Games about the Materiality of Digital Games // Juegos digitales sobre la materialidad de los juegos digitales
Authors: Nguyen Josef
Published: April 2020

This article investigates the potential for digital games to advance environmentally responsible attitudes by attending to their own material conditions, since the production, consumption, and disposal of games and the platforms on which they run enact ecological harm. I examine how Tomorrow Corporation’s puzzle game Little Inferno (2012) and Molleindustria’s political mobile game Phone Story (2011) address their own participation in ecological harm through rendering visible the very games themselves being played as material commodities. In doing so, they acknowledge their own complicity as well as that of their players in existing processes of environmental degradation. Moreover, both games challenge conventional expectations of fun as harmless or inconsequential, since this environmental destruction results from digital entertainment. I argue that digital games advancing environmentally responsible attitudes must address the ecological devastation tied to their materiality as well as support players in accepting responsibility for and remedying the harm players enact. Consequently, digital games of environmental responsibility must also question the dominant mode of fun that drives ecological devastation by reminding us that we dwell in a world where we need to be responsible for the fun we choose to have. Resumen      Este artículo investiga el potencial de los juegos digitales para fomentar actitudes responsables hacia el medioambiente atendiendo a sus propias condiciones materiales, ya que la producción, el consumo, y el desecho de los juegos y de las plataformas en las que funcionan representan daño ecológico. Examino cómo el puzle Little Inferno (2012) de Tomorrow Corporation y el juego político para móvil Phone Story (2011) de Molleindustria abordan su propia participación en el daño ecológico haciendo visible el que los juegos en sí mismos sean productos materiales. Al hacerlo, reconocen su propia complicidad, así como la de los jugadores en los procesos de degradación medioambiental. Además, ambos juegos desafían las expectativas convencionales de la diversión como algo inofensivo e intrascendente, ya que esta destrucción medioambiental resulta del entretenimiento digital. Argumento que los juegos digitales que promueven actitudes responsables hacia el medioambiente deben abordar la devastación ecológica vinculada a su materialidad, así como animar a los jugadores a que acepten su responsabilidad y corrijan el daño que hacen. En consecuencia, los juegos digitales con responsabilidad medioambiental deben también cuestionar la forma dominante de diversión que conlleva devastación ecológica recordándonos que vivimos en un mundo en el que necesitamos ser responsables de la diversión que elegimos tener.
Redes sociales y el rendimiento académico en los estudiantes de la universidad de Huánuco
Authors: Escobedo Rivera Froilan , Pumayauri de la Torre Laddy
Published: March 2020

Objetivo. Determinar la influencia de las redes sociales en el rendimiento académico de los estudiantes de la Universidad de Huánuco durante el ciclo académico 2018. Método. Fue un estudio de tipo observacional, transversal y prospectivo, con diseño correlacional. La oblación fue 12674 estudiantes, y la muestra fueron 373 estudiantes de la Universidad de Huánuco. Se empleó un cuestionario en la recolección de datos. Para el análisis inferencial se utilizó la Prueba de Correlaciones de Rho de Spearman. Resultados. Se evidenciaron ue el 55,5 % (207/373) presentaron rendimiento académico bueno, y el 63 % (235/373) manifestaron alto uso de las redes sociales. simismo, las redes sociales influyen significativamente en el rendimiento académico de los estudiantes, con p ≤ 0,000. El rendimiento académico es influenciado significativamente por las redes sociales en las dimensiones de intereses comunes (p ≤ 0,000), tipo de información compartida (p ≤ 0,000), beneficios de comunicación (p ≤ 0,002), y comunicación virtual (p ≤ 0,000). Conclusiones. Las redes sociales influyen en el rendimiento académico de los estudiantes de la Universidad de Huánuco.
Producción científica en docentes universitarios
Authors: Díaz Lazo Aníbal Valentín
Published: March 2020

Objetivo. Determinar los factores relacionados con la producción científica en docentes de una Escuela de Medicina. Métodos.El diseño que descriptivo, prospectivo y transversal. La muestra de 65 docentes universitarios obtuvo en noviembre del 2014, quienes fueron encuestados previo consentimiento informado. Los datos se recolectaron en cuestionario. Resultados. Se incluyeron 65 (100 %) docentes, promedio de edad 47 +- 8 años (rango: 33-62). Hubieron 60 (92,3 %) varones. El 98,5 % (64) consideraron que es importante la comunicación de los resultados de investigación, y el 6,1% publican en revistas indexadas. Los docentes entre 30 a 49 años (80 %) realizaron la mayor cantidad de publicación en comparación a quienes tuvieron 50 años de edad o más (20 %) (OR= 5,0; IC 95 %: 1,4-17,3; p < 0,011). Los principales factores motivacionales con la producción científica fueron: el incremento de la calidad académica profesional 44,6 % (29), la generación de nuevos conocimientos 43,1 % (28) y el logro de una satisfacción personal 7,7 % (5). Los factores desmotivacionales fueron: falta de tiempo disponible del docente 49,2 % (32), desconocimiento de la metodología de investigación científica 13,6 % (9), y falta de apoyo económico 12,3 % (8).Conclusión. El principal factor relacionado con la producción científica fue el tener una edad menor a 50 años y los factores motivacionales más frecuentes fueron: el incremento de la calidad académica profesional y la generación de nuevos .
Estilos de aprendizaje, hábitos de estudio y rendimiento académico de estudiantes universitarios
Authors: Pajuelo Garay Paola , Pumayauri de la Torre Laddy , Aguirre Joel
Published: March 2020

Objetivo. Determinar la relación entre estilos de aprendizaje, hábitos de estudio y rendimiento académico de los estudiantes universitarios. Métodos.El estudio fue descriptivo, con enfoque cuantitativo y diseño correlacional. La muestra fueron 108 estudiantes seleccionados por un muestreo probabilístico. Los instrumentos empleados fueron el inventario de estilos de aprendizaje de Felder y Silverman y el cuestionario de hábitos de Estudio y Motivación para el Aprendizaje (HEMA). Resultados. Los resultados evidenciaron un estilo de aprendizaje visual (76,9 %), seguido por el secuencial (70,4 %), el estilo activo (66,7 %) y en el estilo verbal (23,1 %). Los hábitos de estudio que los estudiantes emplearon en un (54,6 % (59) fue de nivel bueno de manejo de hábitos adecuados para prender, seguido por un 38,9 % (42) ubicados en un nivel muy bueno y un número muy reducido (6 y 1) se situaron en los niveles regular y excelente, respectivamente. El promedio de rendimiento académico de los estudiantes distribuido de la siguiente manera: en un nivel malo se ubicó el 38,9 % de los estudiantes, en un nivel regular el 50,9 %, y en el nivel bueno el 10,2 %. Conclusión. Existió relación positiva entre los estilos de aprendizaje y el rendimiento académico; existiendo también relación positiva entre los hábitos de estudio y el rendimiento académico, dado que se determinó la correlación positiva entre las variables estilos de aprendizaje y rendimiento académico, con el registro de un coeficiente de correlación de Pearson de 0,3 y una p ≤ 0,002; la cual es igualmente positiva en el caso de la correlación entre las variables hábitos de estudio y rendimiento académico, donde se obtuvo un coeficiente de correlación de pearson de 0,3 y una p ≤ 0,005.
Desarrollo de la pedagogía crítica y transformadora en la educación universitaria actual
Authors: Moya Rojas Nicanor , Cuellar Escobar Nelfa
Published: March 2020

El artículo aborda los fundamentos necesarios para promover la pedagogía crítica y transformadora, a cargo de los docentes universitarios, quienes tienen la elevada misión de formar a los futuros profesionales para el progreso del país. En este sentido, se busca incentivar el conocimiento y el cambio social, económico y educativo, en la perspectiva de lograr una sociedad humanista, justa, democrática, y superar el actual modelo económico y educativo neoliberal, que restringe el desarrollo nacional. Para ello, es imprescindible ejercer la actitud crítica, reflexiva y propositiva de la filosofía y la pedagogía científicas.
Uso de material reciclable como estrategia didáctica y creatividad de estudiantes de nivel primaria
Authors: Zevallos Apolinario Elva Luz
Published: March 2020

Objetivo. Identificar la correlación del material reciclable como estrategia didáctica en la creatividad de los estudiantes del 2do grado de educación primaria de la I.E. “Matusita” de Huánuco, 2018. Métodos. Fue un estudio con enfoque cuantitativo, de tipo prospectivo, analítico, transversal y observacional. La población muestral fue de 45 estudiantes de la I.E. “Matusita” de Huánuco, a quienes previo consentimiento y asentimiento de sus padres, se les aplicó una guía de observación del uso de material reciclable y de creatividad; los cuales fueron previamente validados. La comprobación de hipótesis fue mediante la prueba Tau - b de kendall, considerando un p ≤ ,05. Se tuvo en cuenta las consideraciones éticas. Resultados. El uso del material reciclable, en un 68,9% (31) de la muestra en estudio fue e un logro destacado. En el nivel de creatividad, un 33,3 % (15) fue de buen nivel. Al contrastar las hipótesis del estudio, se halló relación entre las variables uso del material reciclable como estrategia didáctica y la creatividad en la dimensión fluidez (p = 0,0419) y elaboración (p = 0,022). No se halló relación entre uso de material reciclable como estrategia didáctica y la creatividad de modo general (p = 0,061), la creatividad en la dimensión flexibilidad (p = 0,427) y la originalidad (p = 0,237), rechazándose la hipótesis de investigación. Conclusión. El uso del material reciclable por los estudiantes el segundo grado de educación primaria tiene relación con las dimensiones fluidez y colaboración de la creatividad; por lo que se aceptó las hipótesis de investigación.
La universidad después del licenciamiento
Authors: Zevallos Acosta Uladislao
Published: March 2020

La Universidad es un lugar de discusión y debate, abierta a todas las ideas donde ellas contienden y se exhiben las contradicciones: Es l portal del conocimiento, en la que sentimos todo aquel en lo que uno cree se puede expresar, que todo puede objetivarse sin temores y que el único instrumento decisorio es el razonamiento, teniendo como paradigma la Singularity University, creada por la Nasa y Google en el año 2009, ha roto ya con el modelo de estudios tradicional, teniendo como único objetivo formar a los líderes o dirigentes (Vásquez, 2017)
Alzheimer’s Disease: Pharmacotherapy of noncognitive symptoms
Authors: Pathan Aslam , Alshahrani Abdulrahman
Published: March 2020

Alzheimer’s disease (AD) is a progressive and fatal dementia of unknown cause characterized by loss of cognitive and physical functioning, commonly with behavior or noncognitive symptoms. Noncognitive symptoms associated with Alzheimer's disease and related dementias consist of mood sisterbances, psychosis, altered sexual behavior, personality changes, agitation, aggression, pacing, wandering, , changed sleep patterns, and appetite disturbances. These noncognitive symptoms of dementia are common, disabling to both the patient and the carer. physicians will often play a major role in diagnosing and treating dementia and related disorders in the community. Accurate treatment of noncognitive symptoms is important. Accordingly, we reviewed the available pharmacotherapy in the clinical management of noncognitive symptoms of dementia.
Comparative study between open & closed dressing in healing of burn wound
Authors: Srivastava Mohit
Published: March 2020

Aim of the Study: To compare the effect of open and closed method in burn dressing respect to various parameters of healing.
Method: In the open method of dressing antiseptic ointment was applied all over the burnt area after all dead tissue and blisters were removed. Patients were kept covered with two sterile / washed bed sheets one below and one above the patient. The bed sheets were washed daily and changed. In the closed dressing group patients were
washed with jet spray of diluted beta-dine solution and thoroughly washed with normal saline. All dead tissue and blisters were removed. Antiseptic ointment was applied and dressing was done in three layers. First layer with sterile gauze, second absorbent cotton pads and third layer pressure bandaging with gauze.
Result:Appearance of granulation tissue was almost similar in open and closed dressing where as epithelization was earlier in open dressing then in closed dressing.
Conclusion: It is concluded that open method was superior to closed dressing method especially in patients with less extensive burns of extremities particularly in children, who could not be easily controlled in cradles in patient of superficial to deep burns involving front and back and chest. Facial burns were treated by exposure method which helps in taking care of eyes, ear and nose.
Face Recognition Approach Based on the Integration of Image Preprocessing, CMLABP and PCA Methods
Authors: Mezaal Yaqeen
Published: March 2020

Face recognition technique is an automatic approach for recognizing a person from digital images using mathematical interpolation as matrices for these images. It can be adopted to realize facial appearance in the situations of different poses, facial expressions, ageing and other changes. This paper presents efficient face recognition model based on the integration of image preprocessing, Co-occurrence Matrix of Local Average Binary Pattern (CMLABP) and Principle Component Analysis (PCA) methods respectively. The proposed model can be used to compare the input image with existing database images in order to display or record the citizen information such as name, surname, birth date, etc. The recognition rate of the model is better than 99%. Accordingly, the proposed face recognition system is functional for criminal investigations. Furthermore, it has been compared with other reported works in the literature using diverse databases and training images.