bluuebunny/crossref_metadata_2025 huggingface dataset:
Doherty Power Amplifier for LTE-Advanced Systems
Authors: Abdulkhaleq Ahmed M. , Yahya Maan A. , Al-Yasir Yasir I. A. , Ojaroudi Parchin Naser , McEwan Neil , Rayit Ashwain , Abd-Alhameed Raed A. , Noras James
Published: August 2019

The design and implementation of an asymmetrical Doherty power amplifier are discussed, where two Cree GaN High Electron Mobility Transistors (HEMTs) devices are used for designing an asymmetrical Doherty power amplifier to achieve saturated power of 48 dBm and optimal back-off efficiency of 8 dB in the frequency band of 3.3–3.5 GHz. Rogers RO4350B material is used as a substrate material, a back-off of 8 dB was achieved with an average gain of 10 dB. Load-pull data are an important tool for determining the optimum load impedance that the transistor needs to see. Additionally, the measured efficiency was 50% when the designed amplifier was tested by a modulated signal of 8 dB peak-to-average-power ratio when the average output power was 40 dBm. At the same time, the linearity of the designed amplifier was measured and found 31.8 dB which can be improved using a digital pre-distorter. The gain phase measurement can be used as an indicator for compensating the phase difference between the two cells.
Effects of Microcystin-LR on the Microstructure and Inflammation-Related Factors of Jejunum in Mice
Authors: Cao Linghui , Huang Feiyu , Massey Isaac Yaw , Wen Cong , Zheng Shuilin , Xu Shuaishuai , Yang Fei
Published: August 2019

The increasing cyanobacterial blooms have recently been considered a severe environmental problem. Microcystin-leucine arginine (MC-LR) is one of the secondary products of cyanobacteria metabolism and most harmful cyanotoxins found in water bodies. Studies show MC-LR negatively affects various human organs when exposed to it. The phenotype of the jejunal chronic toxicity induced by MC-LR has not been well described. The aim of this paper was to investigate the effects of MC-LR on the jejunal microstructure and expression level of inflammatory-related factors in jejunum. Mice were treated with different doses (1, 30, 60, 90 and 120 μg/L) of MC-LR for six months. The microstructure and mRNA expression levels of inflammation-related factors in jejunum were analyzed. Results showed that the microstructure of the jejunum was destroyed and expression levels of inflammation-related factors interleukin (IL)-1β, interleukin (IL)-8, tumor necrosis factor alpha, transforming growth factor-β1 and interleukin (IL)-10 were altered at different MC-LR concentrations. To the best of our knowledge, this is the first study that mice were exposed to a high dose of MC-LR for six months. Our data demonstrated MC-LR had the potential to cause intestinal toxicity by destroying the microstructure of the jejunum and inducing an inflammatory response in mice, which provided new insight into understanding the prevention and diagnosis of the intestinal diseases caused by MC-LR.
A Spectroscopic Study on Secondary Structure and Thermal Unfolding of the Plant Toxin Gelonin Confirms Some Typical Structural Characteristics and Unravels the Sequence of Thermal Unfolding Events
Authors: Scirè Andrea , Tanfani Fabio , Ausili Alessio
Published: August 2019

Gelonin from the Indian plant Gelonium multiflorum belongs to the type I ribosome-inactivating proteins (RIPs). Like other members of RIPs, this toxin glycoprotein inhibits protein synthesis of eukaryotic cells; hence, it is largely used in the construction of immunotoxins composed of cell-targeted antibodies. Lysosomal degradation is one of the main issues in targeted tumor therapies, especially for type I RIP-based toxins, as they lack the translocation domains. The result is an attenuated cytosolic delivery and a decrease of the antitumor efficacy of these plant-derived toxins; therefore, strategies to permit their release from endosomal vesicles or modifications of the toxins to make them resistant to degradation are necessary to improve their efficacy. Using infrared spectroscopy, we thoroughly analyzed both the secondary structure and the thermal unfolding of gelonin. Moreover, by the combination of two-dimensional correlation spectroscopy and phase diagram method, it was possible to deduce the sequence of events during the unfolding, confirming the typical characteristic of the RIP members to denature in two steps, as a sequential loss of tertiary and secondary structure was detected at 58 °C and at 65 °C, respectively. Additionally, some discrepancies in the unfolding process between gelonin and saporin-S6, another type I RIP protein, were detected.
Therapeutic Potential of an Endolysin Derived from Kayvirus S25-3 for Staphylococcal Impetigo
Authors: Imanishi Ichiro , Uchiyama Jumpei , Tsukui Toshihiro , Hisatsune Junzo , Ide Kaori , Matsuzaki Shigenobu , Sugai Motoyuki , Nishifuji Koji
Published: August 2019

Impetigo is a contagious skin infection predominantly caused by Staphylococcus aureus. Decontamination of S. aureus from the skin is becoming more difficult because of the emergence of antibiotic-resistant strains. Bacteriophage endolysins are less likely to invoke resistance and can eliminate the target bacteria without disturbance of the normal microflora. In this study, we investigated the therapeutic potential of a recombinant endolysin derived from kayvirus S25-3 against staphylococcal impetigo in an experimental setting. First, the recombinant S25-3 endolysin required an incubation period of over 15 minutes to exhibit efficient bactericidal effects against S. aureus. Second, topical application of the recombinant S25-3 endolysin decreased the number of intraepidermal staphylococci and the size of pustules in an experimental mouse model of impetigo. Third, treatment with the recombinant S25-3 endolysin increased the diversity of the skin microbiota in the same mice. Finally, we revealed the genus-specific bacteriolytic effect of recombinant S25-3 endolysin against staphylococci, particularly S. aureus, among human skin commensal bacteria. Therefore, topical treatment with recombinant S25-3 endolysin can be a promising disease management procedure for staphylococcal impetigo by efficient bacteriolysis of S. aureus while improving the cutaneous bacterial microflora.
Structural Insights on Retroviral DNA Integration: Learning from Foamy Viruses
Authors: Lee Ga-Eun , Mauro Eric , Parissi Vincent , Shin Cha-Gyun , Lesbats Paul
Published: August 2019

Foamy viruses (FV) are retroviruses belonging to the Spumaretrovirinae subfamily. They are non-pathogenic viruses endemic in several mammalian hosts like non-human primates, felines, bovines, and equines. Retroviral DNA integration is a mandatory step and constitutes a prime target for antiretroviral therapy. This activity, conserved among retroviruses and long terminal repeat (LTR) retrotransposons, involves a viral nucleoprotein complex called intasome. In the last decade, a plethora of structural insights on retroviral DNA integration arose from the study of FV. Here, we review the biochemistry and the structural features of the FV integration apparatus and will also discuss the mechanism of action of strand transfer inhibitors.
Investigation about the Occurrence of Transmission Cycles of Arbovirus in the Tropical Forest, Amazon Region
Authors: Araújo Pedro A. , Freitas Maria O. , Chiang Jannifer Oliveira , Silva Franko Arruda , Chagas Liliane Leal , Casseb Samir Mansour , Silva Sandro Patroca , Nunes-Neto Joaquim Pinto , Rosa-Júnior José Wilson , Nascimento Bruna Sena , Hernández Leonardo Almeida , Paz Thito Bezerra , Barros Landeson L. , Silva Eliana P. , Azevedo Raimunda S. , Martins Lívia C. , Ferreira Milene S. , Vasconcelos Pedro F.
Published: August 2019

Because of its ecological characteristics, the Caxiuanã National Forest (FLONA) is a potential area of arbovirus circulation. The present study aimed to investigate the occurrence of arbovirus transmission cycles at FLONA de Caxiuanã. Five field trips were performed to capture mosquitoes and sylvatic vertebrates. For these vertebrates, we attempted viral isolation by cell monolayer inoculation from blood, and hemagglutination inhibition and further seroneutralization assays from sera. For mosquitoes, we performed tests of viral genome detection. A total of 338 vertebrates were captured, and the greatest representative was birds (251/74.26%). A total of 16,725 mosquitoes were captured, distributed among 56 species. There were no viruses isolated by newborn mouse inoculation. Among birds, antibodies against Ilheus virus were the most prevalent. Catu virus, Caraparu virus, and Mucambo virus were the most prevalent among mammals and reptiles. Fragments of Mucambo virus, Ilheus virus, Bussuquara virus, and Rocio virus genome were detected in a pool of mosquito samples. These results of the study suggest the occurrence of arbovirus transmission cycles in the FLONA of Caxiuanã. The proximity of human populations with elements, involved in transmission cycles, makes surveillance necessary in this population to avoid dispersion of arboviruses to naïve locations.
Application of Poly-γ-Glutamic Acid Flocculant to Flocculation–Sedimentation Treatment of Ultrafine Cement Suspension
Authors: Yanagibashi Tomokazu , Kobayashi Motoyoshi , Omori Keisuke
Published: August 2019

We examined the effect of poly-γ-glutamic acid flocculant (PGAF) on the removal of ultrafine cement (UFC) particles stabilized by a poly-carboxylate co-polymer, which is a superplasticizer (SP). The flocculation–sedimentation treatment with PGAF successfully removed the SP-stabilized cement particles through the gravitational settling of the formed flocs. The removal efficiency reduced with the increase in the ionic strength, probably because of the shrunk form of poly-γ-glutamic acid (γ-PGA) at high ionic strengths. Increasing the mixing intensity during rapid mixing improved the removal efficiency. A series of flocculation–sedimentation experiments provided a diagram showing the relationship between ionic strengths and the addition amount of PGAF. Our results suggest that PGAF is a good candidate for the purification of cement suspension by flocculation–sedimentation, and a better removal performance can be obtained at lower ionic strengths with intense rapid mixing. From the diagram of the control charts presented in this study, we can determine the optimal addition amount of PGAF for achieving the target removal rate for cement suspension under any ionic strength.
Assessment of Sediment Transport Functions with the Modified SWAT-Twn Model for a Taiwanese Small Mountainous Watershed
Authors: Lu Chih-Mei , Chiang Li-Chi
Published: August 2019

In Taiwan, the steep landscape and highly vulnerable geology make it difficult to predict soil erosion and sediment transportation via variable transport conditions. In this study, we integrated the Taiwan universal soil loss equation (TUSLE) and slope stability conditions in the soil and water assessment tool (SWAT) as the SWAT-Twn model to improve sediment simulation and assess the sediment transport functions in the Chenyulan watershed, a small mountainous catchment. The results showed that the simulation of streamflow was satisfactory for calibration and validation. Before model calibration and validation for sediment, SWAT-Twn with default sediment transport method performed better in sediment simulation than the official SWAT model (version 664). The SWAT-Twn model coupled with the simplified Bagnold equation could estimate sediment export more accurately and significantly reduce the overestimated sediment yield by 65.7%, especially in highly steep areas. Furthermore, five different sediment transport methods (simplified Bagnold equation with/without routing by particle size, Kodoatie equation, Molinas and Wu equation, and Yang sand and gravel equation) were evaluated. It is suggested that modelers who conduct sediment studies in the mountainous watersheds with extreme rainfall conditions should adjust the modified universal soil loss equation (MUSLE) factors and carefully evaluate the sediment transportation equations in SWAT.
Engaging with Flows: Embodied Cognition in Water Provision
Authors: Rap Edwin , van der Zaag Pieter
Published: August 2019

This article provides an ethnographic example of a practice-based approach to water governance. It presents the situated case study of a canalero (canal operator) in the everyday water distribution of an irrigation system in Western Mexico. The canalero represents the low-ranked field operators at the frontline of many water provision organizations around the world, thereby providing a wider relevance to this case study. In spite of different waves of modernization that aimed to reduce ‘the human element’ and control water flows from a distance, canaleros still operate the manually adjustable gates and intakes in many medium and large open canal irrigation systems. Through a precise documentation of the daily routines of administering water, money, and data flows, anticipating shortages and mediating between conflicting demands, we conceptualize their semi-autonomous field of competent action. In contrast to a rule-based or normative approach to water governance, we will argue that the canaleros’ cognition and competencies in mediating multiple resource flows are embodied and situated in specific social, technical and spatial arrangements for water provision. However, this field of professional competence is not clearly delineated and gets regularly contested in practice. The water operators deal with these ‘problems of control’, by drawing on their situational knowledge and embodied cognition acquired on-the-job. This case study outlines a framework for a practice-based and decentered study of water governance, focused on cognitive processes in water provision arrangements.
An Integrated Approach for Studying the Hydrology of the Ljubljansko Polje Aquifer in Slovenia and Its Simulation
Authors: Vrzel Janja , Ludwig Ralf , Vižintin Goran , Ogrinc Nives
Published: August 2019

Groundwater and surface water are strongly connected. Therefore, understanding their interactions is important when studying the water balance of a complex aquatic system. This paper aims to present an integrated approach to study such processes, including a better understanding of the hydrological system behavior in the Ljubljansko polje (Slovenia). The study is based on multivariate statistical analyses of data collected over a long period, including the isotopic composition of groundwater, river water, and precipitation. The hydrology in the study domain was also simulated using a comprehensive modelling framework. Since boundary conditions are essential for simulating groundwater flow in a sensitive aquifer, a modelling system of rivers and channels (MIKE 11) and water flow and balance simulation model (WaSiM) were used to model river dynamics and the percolation of local precipitation, respectively. The results were then used as boundary conditions imposed on a transient state groundwater flow model performed in finite element subsurface flow simulation system (FEFLOW 6.2). Both the locations of recharge areas in the study domain and the calculated fluxes between the Sava River and the aquifer are graphically presented. The study revealed that a combination of the MIKE 11-FEFLOW-WaSiM tools offers a good solution for performing parallel simulations of groundwater and surface water dynamics.
ANALISIS MANAJEMEN SUMBER DAYA MANUSIA DI PERPUSTAKAAN SEKOLAH TINGGI ILMU EKONOMI INDRAGIRI (STIE-I) RENGAT KABUPATEN INDRAGIRI HULU
Authors: Putri Meilya Karya , Maralis Reni
Published: August 2019

Penelitian ini berjudul Analisis Manajemen Sumber Daya Manusia di Perpustakaan STIE-I Rengat Kabupaten Indragiri Hulu. Tujuan Penelitian ini adalah untuk mengetahui dan memahami manajemen sumber daya manusia (SDM) yang meliputi penerapan fungsi-fungsi manajemen yaitu Planning (Perencanaan), Organizing (Pengorganisasian), Actuating (Penggerakan atau Pelaksanaan), dan Controlling (Pengawasan) di perpustakaan Sekolah Tinggi Ilmu Ekonomi Indragiri Rengat Kabupaten Indragiri Hulu. Metode Penelitian yang diigunakan adalah deskriptif kualitatif dengan penelitian studi kasus. Teknik pemilihan informan menggunakan Purposive Sampling, berjumlah 3 orang yang terdiri dari Kepala Perpustakaan, Sekretaris Perpustakaan, dan Staf Perpustakaan. Jenis dan sumber data penelitian  adalah menggunakan data primer diperoleh melalui wawancara dan observasi, adapun data sekunder melalui buku, jurnal, artikel, dan bahan pustaka lainnya. Metode pengumpulan data yang digunakan yaitu observasi, wawancara, dan studi dokumentasi. Teknik analisa data yang digunakan dalam penelitian ini adalah analisis  Miles dan Huberman. Hasil Penelitian menunjukkan bahwa Perpustakaan STIE-I Rengat Kabupaten Indragiri Hulu menerapkan manajemen perpustakaan yang terdiri atas Perencanaan Perpustakaan dengan memperhatikan tujuan perpustakaan sesuai dengan visi dan misi Perpustakaan STIE-I Rengat Kabupaten Indragiri Hulu. Manajemen sumber daya manusia di Perpustakaan STIE-I Rengat  Kabupaten Indragiri Hulu telah dilakukan secara konsisten. Hal ini terlihat dari perencanaan yang selalu dibuat di dalam program kerja tahunan perpustakaan. Dalam mengelola  sumber daya manusia yang ada, perpustakaan telah menerapkan fungsi-fungsi manajemen yaitu perencanaan, pengorganisasian,  pengggerakan, dan pengawasan.  Hanya  saja  fungsi-fungsi manajemen tersebut tidak berdasarkan kebutuhan dan pengalaman  yang  ada di perpustakaan.
ANALISIS PRODUKTIVITAS TENAGA KERJA PADA PT. TUNGGAL PERKASA PLANTATIONS AIR MOLEK KABUPETEN INDRAGIRI HULU
Authors: Windartini Sry
Published: August 2019

Latar Belakang : tercapainya tujuan organisasi perusahaan kerna adanya kerjasama antar karyawan dan keinginan dari pemilik perusahaan untuk meningkatkan prestasi kerja karyawan. Agar perusahaan mempunyai prospek cerah, syarat utama yang diperhatikan adalah mengembangkan karyawan (adanya pelatihan, peraturan upakkaryawan, pemberian motivasi kerja untuk meningkatkan prosuktivitas kerja. Masalah yang terjadi diperusahaan yaitu rendahnya pemberian kompensasi, lingkungan kerja yang kurang menyenangkan dan kurangnya motivasi kerja dari pImimpin.

Tujuan : Untuk mengetahui produktivitas tenaga kerja pada PT. Tunggal Perkasa Plantations Air Molek Kabupaten Indragiri HuLu.

Metode : Penelitian ini berupa analisis deskriptif berdasarkan literatur dan pengetahuan yang telah penulis peroleh. Besar sampel diambil dengan metode random sampling secara acak dengan rumus slovin yaitu 88 responden.

Hasil : Hasil penelitian menunjukkan bahwa hasil perhitungan rata-rata diperoleh = 3,39 yang menunjukkan upah kerja lembur karyawan pada PT. Tunggal Perkasa Plantations Air Molek dikategorikan ”Tinggi”. Dari hasil perhitungan rata-rata diperoleh 3,95 yang menunjukkan bahwa motivator/motivasi pada PT. Tunggal Perkasa Plantations Air Molek dikategorikan ”Baik”. Dari perhitungan rata-rata =3,97 yang menunjukkan mengenai peningkatan hasil yang dicapai karyawan pada PT. Tunggal Perkasa Plantations Air Molek, dikategorikan ”Baik” adapun faktor-faktro yang menyebabkan itu adalah karena karyawan berusaha untuk meningkatkan hasil produktivitas kerja dengan baik.

Kesimpulan : Upah, lingkungan kerja, motivasi dan pimpinan berperan aktif dalam meningkatkan produktivitas tenaga kerja. Produktivitas kerja bisa diukur dari besar kecilnya produk yang dihasilkan dan waktu yang dibutuhkan untuk menyelesaikan pekerjaan.

 

Kata Kunci : Produktivitas Kerja, Motivasi, Upah, Lingkungan Kerja
Osteopati Yaklaşımı; Bel Ve Boyun Ağrılarında yeri
Authors: KAYA Elif , ALTINBİLEK Turgay
Published: August 2019

Bel ve boyun ağrıları oldukça yaygın görülen, kalıcı fonksiyonel kayıplara ve iş gücü kaybına neden olan en önemli bir sağlık sorunudur. Ağrı hastaların psikolojik durumlarını önemli oranda etkilemekte, beraberinde hastaların günlük yaşam aktivitelerinde kısıtlama ve depresyona yatkınlık oluşturmaktadır. Osteopatik manuel terapi (OMT); kas iskelet sistemi hastalıklarında konvansiyonel tedaviyi tamamlamak amacıyla sıkça kullanılan, önemli bir tedavi şeklidir. OMT bedeni bir bütün olarak değerlendiren, homeostatik mekanizmaları geliştiren, yapı ve fonksiyon ilişkilerini en üst düzeye çıkarmak için tanı ve tedavi stratejileri içeren bir yaklaşımdır. OMT, kas-iskelet ağrısını azaltır, disfonksiyonun vücut sistemleri üzerindeki etkisini azaltır, solunum mekaniğini geliştirir, venöz ve lenfatik drenajı iyileştirir. OMT parietal, visseral ve kranial osteopati olmak üzere 3 sistem üzerinden etki gösterir. Parietal Osteopati; Kas iskelet sisteminden kaynaklanan ağrı ve disfonksiyonların tedavisinde kullanılır. Visseral osteopati, visseral yapılardaki problemleri tedavi ederek, bunların neden olduğu ağrı ve şikâyetleri ortadan kaldıran bir tedavi yaklaşımıdır. Kranial osteopati hassas ve hafif dokunuşlarla yapılan osteopatik bir tedavi tipidir. Hastada var olan ağrı ve şikâyetlerin ortadan kaldırılmasına yardımcı olur.
Tıbbi Sülük Terapisi (Hirudoterapi)
Authors: KÜÇÜK M.öner , YAMAN Ozan
Published: August 2019

Sülükler
halkalı omurgasızlar sınıfındadır, kan ile beslenirler ve antik dönemden beri
çeşitli hastalıkları tedavi etmek için flebotomide kullanılırlar. Hirudoterapi,
tedavi için tıbbi sülüklerin uygulanmasıdır. Sülük tedavisinin terapötik
kullanımı köklü bir yöntemdir ve eski Mısır'a, medeniyetin başlangıcına
dayanır. 20. yüzyılın sonunda yeni terapi kavramları sülük tedavisinin yerini
almıştır. Mikrovasküler cerrahi tekniklerle birlikte son yıllarda tıbbi
sülüklerin kullanımında bir “yeniden doğuş” olmuştur. Hirudo medicinalis, sülükler
arasında en geniş terapotik kullanıma sahiptir ancak dünya çapında birçok
farklı tür test edilmiş ve incelenmiştir. Sülük tedavisi genellikle ağrısız
olan bir ilk ısırığı, ardından 5 ila 15 ml kan emmeyi içerir. Başlıca terapötik
faydaları sadece ısırma sırasında emilen kandan değil, aynı zamanda çeşitli
biyoaktif maddelerden de kaynaklanmaktadır. Sülük tükürüğü; eglin, bdellin,
hirudin, hyaluronidaz, calin, destabilas, apiraz, dekorin, hirustatin, triptaz
inhibitörleri ve histamin benzeri maddeler, kompleman inhibitörleri,
karboksipeptidaz A-inhibitörleri ve asetilkolin gibi çeşitli biyoaktif
bileşikler içerir. Bu bileşikler; koagülasyonun inhibisyonundan, analjezik
etkiden, kas gevşetici etkiden ve bağışıklık sistemi üzerindeki düzenlemeden sorumludur.
Hirudoterapi; kardiyoloji, ortopedi, jinekoloji, oftalmoloji, plastik ve
rekonstrüktif cerrahi gibi alanlarda geniş bir terapötik uygulama yelpazesine
sahiptir. Bu derleme sülükler hakkında; tarihçesi, genel özellikleri, etki
mekanizmaları ve tıbbi bir cihaz olarak uygulanmasını içeren genel bir bakış
sunar.
Analisis Model Prediksi Kebangkrutan Industri Garmen dengan Menggunakan Metode Altman Z- Score
Authors: Putro Bramantiyo Eko , Pratama Fajar
Published: August 2019

Abstract— PT. Eastern Modern Apparel is engaged in garment production. The company has experienced financial constraints. This is marked by the dismissal of some employees. Research is done to determine the prediction of bankruptcy of the company. Methodology that has been done in this research are conducting interviews with the company, field study, financial data retrieval. The step is done to meet the data needs in the next step. The next step is data processing using Altman Z-Score method. Processing consists of X1 = Working Capital Ratio against Total Assets, X2 = Retained Earnings Ratio against Total Assets, X3 = EBIT Ratio against Total Assets, X4 = Market Equity Value Threshold on Book Value of Debt. X5 = Sales to Total Assets. Processed data is in the period 2014, 2015, and 2016. The process produces Z-Score value for each period. Z-Score calculation results in the period 2014 = 3.91, 2015 = 3.19, and 2016 = 2.83. While the limits of healthy company according to calculations Almant Z-Score of> 2.675. Then the results of Altman Z-Score calculations on the company is said to be healthy, because the results exceed the limits of the healthy category. However there is a decrease of each period.Keywords: Corporate Financial Performance, Altman Z-Score, Healthy Company
PERAN GOOD CORPORATE GOVERNANCE DALAM MENGURANGI DAMPAK RISIKO PEMBIAYAAN TERHADAP PROFITABILITAS PERBANKAN SYARIAH
Authors: Nurhidayat Hasbi , Icih Icih , Umiyati Indah
Published: August 2019

The purpose of a company is to generate profits. Companies must be able to generate profits for a certain period in order to maintain long-term survival. High and low ROA in Islamic banking can be influenced by the existence of business risks and Good Corporate Governance (GCG). This study was conducted to determine the role of good corporate governance in reducing the impact of financing risk on the profitability of Islamic banking.

The population used in this study is Islamic commercial banks that implement good corporate governance. The sample selection technique used is purposive sampling. Samples that fit the criteria were obtained by 12 Islamic banks during the 2012-2017 observation period. The analytical tool used in this study is OLS regression and hypothesis testing using t test, f test, and determination coefficient using SPSS Statistics 22 and Microsoft Excel 2013 applications.

The results of this study indicate that the financing risk variable has a negative effect on profitability. GCG variables have a positive effect on profitability and GCG variables can reduce the negative impact of financing risk on profitability.
Prematüre retinopatisinde kardiyak ejeksiyon fraksiyonu ve konjenital kalp hastalıkları
Authors: GÜMÜŞ Hüseyin , ÖZCAN Yasin
Published: August 2019

Amaç: Prematüre retinopatisi (PR) 
gelişen ve gelişmeyen olgularda kardiyak ejeksiyon fraksiyonu (EF) ve
konjenital kalp hastalıklarının (KKH) incelenmesi.Materyal ve
Metod:  Prospektif özellikteki çalışmaya 57 prematüre
hasta dahil edildi. PR gelişen 27 olgu Grup 1, PR gelişmeyen 30 olgu Grup 2
olarak sınıflandırıldı. Kardiyak parametreler M-mode ekokardiyografi ile
ölçüldü. Veriler SPSS programında analiz edildi. Bulgular:  Grupların Ort. DH’ları arasında
anlamlı bir fark gözlenmezken, 1. Gruptaki olguların ort. DA’sının anlamlı
olarak düşük olduğu gözlendi ( sırasıyla p = 0.12, p = 0.03). 1 . Gruptaki
olgularda EF % 69±9 iken, 2. Gruptaki olgularda % 70±6 idi. Ort. EF açısından
iki grup arasında fark saptanmadı ( p > 0.05). Atrial septal defekt (ASD)
görülme sıklığı 1. Grupta % 40.8 , 2. Grupta % 41, patent ductus arteriozus
(PDA) sıklığı ise 1. Grupta % 26.,  2.
Grupta % 12.5 idi. Birinci grupta gözlenen PDA sıklığının istatistiksel olarak
daha yüksek olduğu gözlendi ( p < 0.05).  
Sonuç:  PR gelişen ve gelişmeyen
olgularda EF açısından fark gözlenmezken, PR gelişen olgularda KKH’lardan PDA
yaklaşık 2 kat daha sık gözlenmektedir. PR gelişen olgular PDA’nın kapanması
için yakından takip edilmelidir. 

Anahtar
Kelimeler: Prematüre,retinopati,kardiyak
hastalık
Batas Toleransi Maksimal Laju Alir Gas Umpan dengan Konsentrasi Co2 Konstan pada Mikroalga (Tetraselmiss Chuii dan Spirrulina Sp) dalam Fotobioreaktor
Authors: Purba Elida , Abdussalam Sakha , K. Agus Rivaldy
Published: August 2019

Penelitian ini membahas tentang penentuan batas laju alir yang diberikan kepada mikroalga Tetrashelmis chuii dan  Spirrulina sp terhadap ketahananya dalam hal mengadsorpsi CO2 dengan konsentasi umpan CO2 yang cukup besar. Tujuan dari penelitian ini adalah menentukan batas  toleransi  laju alir gas umpan dengan konsentrasi CO2 konstan  pada mikroalga (Tetraselmiss chuii dan Spirrulina sp) dalam fotobioreaktor. Hal ini diperlukan untuk mengkarakteristikan jenis mikroalga terhadap ketahanannya dalam menerima umpan gas yang diberikan untuk  mengurangi jumlah CO2 dengan dilakukannya variasi laju alir umpan masuk fotobioreaktor yaitu 1 l/menit , 1,5 l/menit dan 2 l/menit dengan konsentrasi CO2 sebesar 33 %. Didapatkan hasil bahwa laju alir yang optimum yang dimiliki oleh mikroalga paling baik dalam penyerapan CO2 yaitu Spirrulina sp dengan kemampuan laju alir 1 l/menit dengan penyerapan sebesar 83,13 % dibanding Tetraselmis chuii dengan laju alir 1,5 l/menit dengan penyerapan sebesar 76,10 %.
Pengaruh Perlit Lampung sebagai Material Agregat Mortar Terhadap Kuat Tekan
Authors: Aji Bramantyo Bayu , Setiani Via Apri , Amin Muhammad , User Syafriadi
Published: August 2019

Penelitian ini dilakukan untuk mengetahui pengaruh perlit Lampung yang digunakan sebagai material agregat mortar terhadap kuat tekan. Perlit yang digunakan yaitu ukuran mesh 40. Variasi komposisi yang digunakan diantaranya 1:2, 1:3, 1:4 dan 1:5 (semen:perlit). Analisa yang dilakukan diantaranya kadar air, berat jenis, kadar lumpur, absorbsi dan karakterisasi X-Ray Fluorescence (XRF). Pengujian yang dilakukan adalah uji kuat tekan dengan umur uji 14 hari. Hasil analisa bahan baku menunjukkan bahwa perlit memenuhi standar sebagai material agregat mortar dan memiliki kandungan Si yang tinggi yaitu 57,06%. Kuat tekan terbaik diperoleh pada mortar dengan komposisi 1:2 (semen 1: perlit 2) yaitu 156,8 kg/cm2. Kuat tekan mortar menurun seiring bertambahnya jumlah perlit pada komposisi 1:3, 1:4 dan 1:5 dengan nilai kuat tekan berturut-turut 84 kg/cm2, 70 kg/cm2 dan 33,6 kg/cm2. Penurunan ini disebabakan oleh kandungan SiO2 yang berlebihan sehingga berikatan dengan CaO bebas yang terkandung dalam semen dan membentuk Ca(OH)2. Ca(OH)2 menyebabkan kepadatan mortar menjadi berkurang dan mengakibatkan terbentuknya rongga-rongga udara.
Utilization of Residu / Ampas Biogas Production from Bio-Slurry as Organic Fertilizer Resources
Authors: Bppt Yusmiati , Singgih Bambang
Published: August 2019

Survey results show that the soil organic matter content is very low, i.e. less than 2% for paddy fields and about 2% for the fields. The decrease of soil organic matter content is thought to be caused by the way of agricultural cultivation that is less attention to the content of organic matter with the use of chemical fertilizers is very intensive. The use of organic fertilizer can be a solution to the problem. Bio-slurry generated from liquid biogas reactors tends to be semi-solid and has characteristics, which are light brown or green and tend to be dark; little or no gas bubbles content; odorless and insect less; textured sticky, tough, and not shiny. The bio-slurry composition consists of organic materials (18-27%) and inorganic materials (2-3%). The content of NPK (Nitrogen, Phosphorus and Potassium) in liquid bio-slurry consists of nitrogen (0.25%), phosphorus (0.13), and potassium (0.12%). While the content of NPK in dry (solid) bio-slurry consists of nitrogen (3.6%), phosphorus (1.8%), and potassium (3.6%). In addition, bio-slurry also contains other nutrients, namely amino acids, fatty acids, humic acid, vitamin B-12, auxin hormones, cytokines, antibiotics, and micronutrients such as iron (Fe), copper (Cu), zinc (Zn), manganese (Mn), and molybdenum (Mo). Benefits of bio-slurry is for organic fertilizer, bio-pesticide, biological fertilizer, plant growth regulator, animal feed, improving soil structure, increasing weed growth, increasing soil fertility and increasing soil microorganism activity.
Flexible Fibre Supercapacitor using Synthesized Biomass based Activated Carbon and Few Layer Graphene for Wearable Electronic Devices
Authors: Singh Ankit , Ghosh Kaushik , Kumar Sushil , Agrawal Ashwini , Jassal Manjeet , Goswami Pranab , Chaturvedi Harsh
Published: August 2019

We have fabricated a flexible fibre supercapacitor having twisted architecture incorporating synthesized carbonaceous electrode materials from widely available inexpensive biomass (banana peel) for energy storage which can be utilized for powering emerging wearable electronic textiles and devices. Activated carbon and few layer graphene were synthesized by carbonizing KOH impregnated and ethanol/acetone washed banana peels respectively at high temperature under inert atmosphere. The synthesized carbonaceous electrode materials along with TiO2 nanopowder were deposited on conductive carbon fibre followed by dip coating with gel electrolyte and twisting to develop the supercapacitor. The fabricated fibre supercapacitor demonstrated high specific capacitance of 15.45 F/g and volumetric capacitance of 1.77 F/cm3 at 10mV/s scan rate. The developed supercapacitor retained ~92% of capacitance upon bending. The fibre supercapacitor can be fabricated on large scale using simple methods and inexpensive biomass for powering wearable electronic applications.
Knowledge Management for Business Growth
Authors: Alam Md. Khashrul , Khan Sarif Mohammad
Published: August 2019

The study aims to explore the current status of knowledge management by exploring the meaning of knowledge, knowledge management, knowledge management system (KMS), benefits of KMS and the ways to extract the benefits. Knowledge management is concerned with the exploitation and development of the knowledge assets of an organization with a view to furthering the organization’s objectives. The knowledge to be managed includes both explicit, documented knowledge, tacit and subjective knowledge. Knowledge management can help to take decision in a congenial atmosphere, increases the competences of the organization and make the company more and more agile. That means company can prosper in rapidly changing, continually fragmenting global markets for high quality, high performance, customer configured products and services. Knowledge process planning, knowledge sharing culture and knowledge stewardship are the ways by which firms can extract those benefits.
Value Change along the Timber Marketing Channel In Bangladesh
Authors: Sadath Md. Nazmus , Rahman Sabrina , Kamruzzaman Md. , Ali Sheikh Mohammad
Published: August 2019

Timber marketing channel is a route of distribution through which the timber moves from the producer to the consumer or user. There are six levels of business units which constitute the marketing channel of timber in Bangladesh. Functional differential of each level and business operational cost are the two major factors for value addition along the timber marketing channel. Though there has been always an increase in product price at each level, the increment has not been uniform, rather unevenly distributed along the channel. The value addition is higher at the beginning and end of the marketing channel in relation to other intermediate levels. Again, timber price is varied species to species depending on the quality of timber. Teak price has been the highest in timber market in Bangladesh. This study will provide an identification and in-depth analysis of timber marketing channel prevailing in Bangladesh.
Impact of Rural-Urban Migration on Rural Children: A Micro­-level Study
Authors: Hossen Sk. Sharafat , Meerza Syed Imran Ali
Published: August 2019

Rural-urban adult migration mainly adult male migration makes heavy demand on all family members, but especially on children who are left behind in rural area to shoulder the responsibility of agricultural production and food security. Labor shortage due to rural-urban adult migration may mean that children in rural area often have to face tighter time schedules and patterns of time use and flu man energy inputs required in agricultural production. The study revealed the impact of rural-urban migration on rural children. In the study, sample was restricted to households that own and/or operate agricultural land in rural area. A purposive sampling was adopted to select villages and covered 100 sample households. The study was based on link between rural-urban migration of adult persons and child labor in rural area. The empirical result showed that an additional rural migrant of a household increases the probability of having child worker in that household by approximately 51%. However, it was found that children of migrant households receive less preventive health care in their infancy. The study also showed that an additional adult worker of a household increases the probability of having child worker in that household by 29%. For this reason, this study supports the hypothesis that children are the last economic resource of a household.
Identifying Attention Deficit Hyperactivity Disorder (ADHD) Among the Entrepreneurs of Bangladesh - A Case Study on Khulna City
Authors: Alam Md. Nur , Nabi Md. Noor Un , Rahman S. M. Towhidur , Rahman Md. Sadiqur
Published: August 2019

ADHD stands for Attention Deficit Hyperactivity Disorder. Several studies confirmed that entrepreneurs are more likely to have ADHD than their non-entrepreneur counterpart. Consistently with this finding, the majority of entrepreneurs of Bangladesh also possess some degree of ADHD characteristics. Among the entrepreneurs who have ADHD, majority possess borderline ADHD. The level of ADHD is found to vary in terms of different demographic composition (such as gender education and age) of the entrepreneurs. Male entrepreneurs are more likely to be ADHD type than female entrepreneur. Less significant variation is found in ADHD existence among entrepreneurs of different education level. ADHD characteristics are found more among older entrepreneurs than younger entrepreneurs.
PERBEDAAN KINERJA BANK UMUM (Studi di Bank Umum Pemerintah dan Swasta Nasional)
Authors: Hertinsyana Desy
Published: August 2019

Penelitian ini bertujuan untuk memperoleh bukti ada tidaknya perbedaan kinerja pada bank umum pemerintah dan bank umum swasta nasional serta faktor-faktor yang mempengaruhi profitabilitasnya. Jenis penelitian ini menggunakan desain kausal. Populasi dalam penelitian ini adalah bank umum pemerintah dan bank umum swasta nasional yang go public di Bursa Efek Indonesia periode 2009-2018. Metode analisis yang digunakan adalah analisis uji beda dan analisis regresi linier berganda. Hasil uji beda menunjukkan ada perbedaan kinerja antara bank umum pemerintah dengan bank umum swasta nasional pada rasio LDR dan ROA, sedangkan pada rasio CAR dan BOPO tidak terdapat perbedaan. Hasil uji regresi menunjukkan bahwa secara simultan, indikator CAR, LDR, dan BOPO berpengaruh terhadap ROA, baik pada bank umum pemerintah dan umum swasta nasional. Secara parsial, pada bank umum pemerintah dan bank umum swasta nasional hanya BOPO yang berpengaruh terhadap ROA.
PENGARUH KEPUASAN DAN KUALITAS PELAYANAN CALL CENTER TERHADAP LOYALITAS NASABAH BANK
Authors: Angrumsari Mely
Published: August 2019

Tujuan dalam penelitian ini adalah untuk menganalisis pengaruh kepuasan dan kualitas pelayanan terhadap loyalitas nasabah call center, serta mengetahui karakteristik yang paling dominan atau berpengaruh diantara variabel-variabel yang diteliti. Metode penelitian ini menggunakan alat analisis persamaan garis regresi, koefisien determinasi, uji f dan uji t dan diolah melalui MSI (Metode Successive Interval) dan SPSS versi 23. Data yang digunakan dalam penelitian ini adalah data primer dengan pembagian kuesioner kepada 120 responden pengguna layanan call center PT Bank Danamon Indonesia, tbk. Hasil penelitian ini menunjukkan bahwa variabel kepuasan mempengaruhi loyalitas nasabah dan dari hasil ini ditemukan kelemahan dimana variable kepuasan tidak mempengaruhi loyalitas. Namun, secara bersama-sama faktor kepuasan dan kualitas pelayanan mempengaruhi loyalitas nasabah.
A Centrifuge Calibrator Based on Personal Computer Equipped with Data Processor
Authors: Asadina Habliya , Hamzah Torib , Titisari Dyah , Utomo Bedjo
Published: August 2019

Calibration is an activity to determine the conventional truth of the value of the appointment of a measuring instrument by comparing traceable standards to national and international standards for measurement and / or international units and certified reference materials. The purpose of this study is to develop a system of efficient and practical centrifuge calibrators by sending the calibration results directly via bluetooth to a PC. The main series of centrifuge calibrators are Arduino modules, laser sensors and Bluetooth.The high low signal is obtained from the reflection of the laser beam aimed at the reflector point on the centrifuge plate, processed in the Arduino module and displayed on the LCD, the calibration results can be directly seen in the Delphi program. The design of this module is also equipped with a Bluetooth transmitter to send data to a PC. This module can be used in medical equipment calibration laboratories. Based on the results of testing and data collection on the 8 Tube centrifuge with a Lutron Tachometer ratio, the error value was 0.0136%. After planning, experimenting, making modules, testing modules, and collecting data, it can be concluded that the tool "centrifuge calibrator equipped with PC-based data processors" can be used and according to planning because the fault tolerance does not exceed 10%.Keywords—Holter Monitor; Heart Monitoring; Arduino Microcontroller; SD Card Memory
Pengembangan Lembar Kerja Siswa (LKS) Fisika Berbasis Gambar Materi Getaran dan Gelombang
Authors: Suci Devi Lara , Ahzan Sukainil , Pangga Dwi
Published: August 2019

[Title: Development of Physics Student Worksheets Based on Image on Vibration and Waves Material]. Has conducted development research of media instruction in the form of Physics student worksheet (PSW) based image. This study aims to determine the eligibility of PSW based image subject matter of vibration and wave material in the class of VIII SMPN 4 Batukliang. Subjects in this study were students of class VIII SMPN 4 Batukliang the school year 2015/2016 amounting to 21 students. Methods of data collection in this study is the questionnaire. Eligibility test carried out by the validation by expert lecturers Mataram Teachers' Training College physical education and assessment by a physics teacher and students in a limited group test conducted at SMPN 4 Batukliang. The results of this development study found that the results of eligibility by expert lecturer percentage of 86.5%, then from teachers of eligibility obtained the percentage of 94%. The results based on the results of validation expert lecturers and showed a very good physics teacher. The response of the students was also very good with a percentage of 96.71% eligibility. Based on this analysis showed that the student worksheet physic-based image very decent used in the learning process.
Uji Mekanik Bata Ringan Berbahan Dasar Limbah Pengolahan Emas dengan Variasi Limbah Batu-bara dan Semen
Authors: Wathoni Muhammad Munawir , Prasetya Dwi Sabda Budi , Pangga Dwi
Published: August 2019

[Title: The Mechanical Test of Lightweight Brick Made from Gold Processing Waste with Variations in Coal and Cement Waste]. The purposes of this research are to make lightweight concrete using waste processing of gold with variation fly ash and cement the better than conventional concrete. The value of this research has tested mechanics which comprises density, porosity and strength. The research has done with some stage are: 1) Make lightweight concrete using LPE with variation fly ash and cement. 2) Characterization of the samples which comprise density, porosity and the strength, 3) Analysis of tested mechanical lightweight concrete. The value of lightweight concrete to make with variation composition fly ash and cement in a series are: (0/100), (5/95), (10/90), (15/85), (20/80) who are in volume. To make lightweight concrete with composition foam and water controlled as much as 10 ml and 150 ml at all of the sample. So we get the density value of lightweight concrete without fly ash is 1.61. In lightweight concrete with fly ash, we get the minimum density of lightweight is 1.15. The porosity value of lightweight concrete without fly ash is 13.6%, and the porosity value of lightweight concrete with fly ash is 8.0%. The compressive strength of lightweight concrete without fly ash is 1.629 MPa and the compressive strength of lightweight concrete with fly ash is 1.772 MPa. The value shown to process waste processing of gold with variation fly ash and cement to be lightweight concrete can get mechanical in character of lightweight to be better than conventional concrete.
Pemahaman Siswa Tentang Equal Sign dalam Menyelesaikan Tugas Matematika
Authors: Sartati Setiawan Budi , Subanji Subanji , Sisworo Sisworo
Published: August 2019

[Title: The Students' Understanding of Equal Sign in Completing Mathematics Tasks]. This study aims to describe the student's understanding of the equal sign to solve mathematical tasks. This study was included in the qualitative descriptive study. In this study, the data collected is the data of students work and verbal data (the interview). The subjects were six students of 7th class of MTs Attariqie Malang 2014/2015 (Junior High School), with details of two high-ability students, two students capable of being, and two low-ability students. Students' understanding of the equal sign examined further by providing tests and interviews in six research subjects. Interviews were conducted individually after the students work on the problems individually. The mathematical task load arithmetic and algebra problems. Based on the results of the study, all subjects were able to understand the equal sign as operational and the equal sign as a substitution. For equal sign as the basic relational, only high-ability students were able to understand it. Understanding of medium and low student capable entrenched in the operational pattern that is an equal sign as operational cause confusion to understanding equal sign as the basic relational, eg, 14+11=25+8 where students only pay attention to the results of operations that 14 plus 11 is 25 without notice relation of the addition of 8.
Untangling the Galaxy. I. Local Structure and Star Formation History of the Milky Way
Authors: Kounkel Marina , Covey Kevin
Published: August 2019

Gaia DR2 provides unprecedented precision in measurements of the distance and kinematics of stars in the solar neighborhood. Through applying unsupervised machine learning on DR2's 5D data set (3D position + 2D velocity), we identify a number of clusters, associations, and comoving groups within 1 kpc and

(many of which have not been previously known). We estimate their ages with the precision of ∼0.15 dex. Many of these groups appear to be filamentary or string-like, oriented in parallel to the Galactic plane, and some span hundreds of parsec in length. Most of these string lack a central cluster, indicating that their filamentary structure is primordial, rather than the result of tidal stripping or dynamical processing. The youngest strings (<100 Myr) are orthogonal to the Local Arm. The older ones appear to be remnants of several other arm-like structures that cannot be presently traced by dust and gas. The velocity dispersion measured from the ensemble of groups and strings increase with age, suggesting a timescale for dynamical heating of ∼300 Myr. This timescale is also consistent with the age at which the population of strings begins to decline, while the population in more compact groups continues to increase, suggesting that dynamical processes are disrupting the weakly bound string populations, leaving only individual clusters to be identified at the oldest ages. These data shed a new light on the local galactic structure and a large-scale cloud collapse.