bluuebunny/crossref_metadata_2025 huggingface dataset:
Sûfî ve Medeniyet: Tasavvufun Medeniyetler Barışına Katkısı
Authors: Öngören Reşat
Published: June 2022

İslâm’da tasavvuf eğitimiyle inanç, eylem ve edep bakımından insanların olgunlaşması hedeflenir. “Seyr u sülûk” diye ifade edilen bu eğitim sürecinde olgunlaşma, esasen insanda gizli olan erdemlerin ortaya çıkmasıyla gerçekleşir. Bu tebliğin amacı, sempozyumun ana teması olan “Medeniyetler Arası Diyalog” başlığı dikkate alınarak, bireylerin tasavvuf eğitimi sonucu elde ettikleri erdemlerle medeniyetler barışına sunacağı katkıyı dile getirmekten ibâret olacaktır. İnsan, sahip olduğu değer ve özellikler bakımından diğer bütün varlıklardan farklı yaratılmıştır. Kur’ân-ı Kerîm’in ifadesiyle en güzel kıvamda (ahsen-i takvîm) yaratılan insan (Tîn 95/4), yaratılış sırasında kendisine ilâhî ruhtan (nefha-i ilâhî) üflenerek (Hicr 15/29; Sâd 38/72) mükerrem/mübârek kılınmış (İsrâ 17/70), ilk insan olan Âdem’e yeryüzünde “halifelik” verilmiş (Bakara 2/30) ve bütün isimler öğretilmiştir (Bakara 2/31). İnsan, “Allah’tan geldiği gibi yine O’na dönecektir” (Bakara 2/156). Ayrıca göklerde ve yerde olan her şey insanın emrine verilmiş (Câsiye 45/13) ve insan “emâneti” (sorumluluk) yüklenmiştir (Ahzâb 33/72). Sahip olduğu bu konumun kıymetini bilen insanları Allah kendisine dost kıldığını (Nisâ 4/125; Ankebût 29/45) ve bazılarına kendi tarafından ilim verdiğini (Kehf 18/65) bildirmektedir.
ОЦІНЮВАННЯ АНТРОПОГЕННОГО ВПЛИВУ НА ДОВКІЛЛЯ
Authors: ЧЕРБА Ольга , КВАСОВ Володимир
Published: June 2022

Людська діяльність дуже сильно впливає на стан довкілля і цей вплив збільшується з кожним роком. Негативні наслідки антропогенної діяльності превалюють над позитивними, що призводить до деградації навколишнього середовища. При цьому вплив на довкілля здійснюється опосередковано, через фактори забруднення атмосферного повітря, водних ресурсів, ґрунтів. Тому дуже важливо окрім постійного моніторингу стану навколишнього природного середовища, контролювати розмір антропогенного впливу; відслідковувати, які складові довкілля страждають від нього найбільше; приймати відповідні адміністративні рішення. Метою дослідження є розробка методики інтегральної оцінки антропогенного впливу на навколишнє природне середовище. Методологія. В основу методики покладено європейський підхід до проведення екологічної оцінки, а саме, рекомендації ЄЕК ООН щодо моніторингу й оцінки навколишнього природного середовища. Наукова новизна полягає в розробці набору екологічних показників, який дозволяє максимально повно та достовірно враховувати антропогенний вплив на довкілля; математичного апарату для проведення оцінювання (механізм ранжирування складових методики, розрахунок внеску кожної складової в загальну оцінку). Висновки. Методика розроблена у відповідності з принципами сталого розвитку та європейського законодавства. Її можна використовувати для прийняття коректних управлінських рішень, ранжирування регіонів України за рівнем техногенного навантаження, інформування громадськості про якість довкілля в їх регіоні та на території України в цілому. Особливої актуальності це набуде після припинення дії воєнного стану в Україні, коли до «мирних» антропогенних впливів на навколишнє природне середовище додадуться наслідки руйнування екосистем, спричинені бойовими діями на окремих територіях.
СТАН РЕКРЕАЦІЙНИХ ЗОН МІСТА РІВНОГО
Authors: КЛИМЕНКО Людмила
Published: June 2022

Проведений аналіз стану зелених насаджень міста Рівного, які розподіляються на об’єкти: загального користування, у складі якого вирізняють парки, міські сади, сквери, бульвари вздовж вулиць, пішохідних трас; обмеженого користування, куди входять ділянки біля житлових будинків, дитячих закладів, шкіл, закладів вищої освіти, спортивних майданчиків, лікувальних закладів, установ, промислових підприємств, складської зони; спеціального призначення у складі насаджень вздовж магістралей і вулиць, водоохоронні, вітрозахисні, протиерозійні насадження, насаджень кладовищ, розсадники, санітарно-захисні зони підприємств. Серед 6 парків найпривабливішим є парк ім. Тараса Шевченка площею 32 га, зелені насадження якого представлені 160 видами рослин, з них 64 види інтродуковані. Інші парки площею від 6 до 37 га представлені одновіковими зрідженими насадженнями, а деякі з ґрунтовим розташуванням. Серед середніх міст Рівне характеризується незначною площею зелених масивів і насаджень – 22,9 м2/особу, тоді як Луцьк – 28,8 м2/особу, Івано-Франківськ – 47,9 м2/особу. Для покращення екологічного стану міста Рівного рекомендується площу зелених масивів і насаджень збільшити до показника 29,0 м2/особу за рахунок посадки дерев і кущів у водоохоронних зонах водних об’єктів, територій закладів освіти, підприємств та новозбудованих житлових масивів, що відповідає критеріям SMART. Насамперед запропоновані рекомендації відповідають критеріям, а саме: конкретністю (наближення площі зелених масивів і насаджень до максимально можливих); вимірювальністю (заплановано збільшити площу зелених масивів і насаджень на 150 га); досяжністю (наявність у місті площ для посадки дерев); доцільністю (посприяє зменшенню поширеності хвороб серед населення); визначеністю у часі (щорічні акції впродовж 2021-2026 років).
ОЦІНКА СТАНУ ПОВІТРЯНОГО БАСЕЙНУ МІСТА ОДЕСИ ЗА КОМПЛЕКСНИМ ІНДЕКСОМ ЗАБРУДНЕННЯ АТМОСФЕРИ
Authors: КОЛІСНИК Алла , НАКОНЕЧНА Заряна
Published: June 2022

Актуальність дослідження полягає в тому, що оцінка рівня забруднення повітряного басейну міст є необхідною, так як від якості атмосфери залежить здоров’я населення особливо в урбоекосистемах. У містах основна доля забруднюючих речовин повітря потрапляє від пересувних джерел. Крім автотранспорту у м. Одеса як основними стаціонарними джерелами є підприємства-забруднювачі. Причинами суттєвих викидів у атмосферне повітря м. Одеса є збільшення ремонтних робіт на технологічному обладнанні та збільшення обсягу природного газу, який використовується підприємствами. Метою дослідження є оцінка рівня забруднення повітряного басейну міста Одеси за 2013-2019 рр. на основі індексів забруднення атмосфери (ІЗА). Методи дослідження: оцінка якості атмосферного повітря у дослідженні виконана на основі методу інтегральної оцінки, який дозволяє оцінити якість атмосферного повітря в певному районі або по місту в цілому за однією або декількома забруднюючими речовинами на основі розрахунку комплексних показників. В якості таких нормативів використовуються величини гранично допустимих концентрацій токсичних речовин в атмосферному повітрі. Висновки: за результатами дослідження встановлено, що за значеннями індексів забруднення атмосфери вимоги до якості атмосферного повітря виконуються тільки для таких забруднюючих атмосферу речовин як: оксид вуглецю (за ІЗАсер) та діоксид азоту, сірководень, сажа, фтористий водень (за ІЗАмакс). Пріоритетними забруднювальними речовинами виявилися формальдегід та оксид вуглецю за значенням ІЗАсер та ІЗАмакс відповідно. За комплексним показником забруднення атмосфери максимальні рівні забруднення атмосферного повітря м. Одеси відмічаються у 2013 та 2017 роках. Для зниження рівня забруднення атмосферного повітря м. Одеси місцевим органам влади бажано зосередити увагу та сприяти впровадженню природоохоронних технологій, оновленню обладнання та встановленню очисних споруд, що значно зменшують кількість викидів даних забруднюючих речовин у атмосферне повітря міста, на стаціонарних об’єктах-забруднювачах атмосферного повітря.
Determining the Optimum Concentration of Pumpkin Seed Shells as Filtration Control Additive to Water-Based Mud System
Authors: Khalaf Hani Al , Mohammed Nagham Al Haj , Kovácsné Federer Gabriella
Published: June 2022

Filtrate loss within formations is one of the biggest problems during drilling operations. Therefore, many commercial chemical additives have been used to reduce fluid loss, such as carboxymethylcellulose (CMC) and polyanionic cellulose (PAC), which are expensive and are not environment-friendly substances. This study evaluates the usage of pumpkin seed shells (PSS), which is agricultural waste and at the same time an environment-friendly material, as an additive to the drilling fluid to reduce fluid loss. Six drilling fluid samples were formulated, adding PSS of 250 μm in size at different concentrations (1 wt%, 2 wt%, 3 wt%, 4 wt%, and 5 wt%). The effect of adding PSS on rheological properties and density was recorded and analyzed. Filtration was also studied by using an API LT LP press. The results of the study indicated that the addition of PSS to the drilling fluid has a clear effect on reducing fluid loss. The optimum concentration of PSS was 5 wt%.
Proxy Model for Hydrocarbon Recovery in a Seven-Spot Waterflooded Well Pattern
Authors: Bánki Dániel , Turzó Zoltán
Published: June 2022

This article is about establishing an artificial modeling environment using real data, then creating special formulae in order to estimate the recovery factor of the depletion of the reservoir model. The key concept is that these aids in the form of formulae can be very useful, economic and fast methods to help reservoir simulation. Waterflooding was examined in previous years and a sensitivity analysis was conducted several times. First the parameters were screened for impact and importance, then the structure of the resulting proxy model was chosen, along with the accuracy, both based on the focus of investigation itself, which is the recovery factor. The artificial reservoir environment is a seven-spot water flooded well pattern in an initially undersaturated oil reservoir. The results in this particular study are three formulae which are capable of predicting the recovery factor with a satisfactory error margin after five, ten, and fifteen years of production as a function of the initial produced fluid rate target.
Dynamics of relative torsional vibrations in the formation of a regular microrelief on internal cylindrical surfaces
Authors: Dzyura Volodymyr , Babii Andrii , Okipnyi Ihor , Radyk Dmytro , Tkachenko Ihor , Myshkovych Оlha , Sokil Mariia , Sytarchuk Vladyslav
Published: June 2022

The article presents the results of analysis of modern literature sources in search of mathematical models describing the dynamics of the process of forming regular microrelief on the inner cylindrical surfaces of parts operating in difficult conditions, in order to increase their life cycle. The absence of mathematical models describing this process and the peculiarities of its implementation with the point action of the deforming element on the surface of the body part are established. The movements of the tool during the process of forming a regular microrelief on the inner cylindrical surface of the body of the part are considered and the driving forces that follow this process are analyzed. Based on the results of the analysis, a mathematical model of the dynamic process of forming regular microrelief on the inner cylindrical surface of the body of the part was developed. The peculiarity of this process is that microrelief is formed by concentrated force, the point of application of which is constantly changing in the radial and axial directions relative to the part. Therefore, the mathematical model that describes this process will have a discrete right-hand side. It is proposed to model such an action using Dirac delta functions with linear and temporal variables, using the method of regularization of these features, in particular, existing methods of integrating the corresponding nonlinear mathematical models of torsional vibrations of a part. Analytical relations describing these vibrations in the process of forming a regular microrelief are obtained. Using Maple software 3D changes in torsion angle depending on different values of the source data are constructed. The conducted research will allow to consider torsional oscillations that is crucial for long cylindrical details, such as sleeves of hydraulic cylinders, parts of drilling mechanisms and others.
Calculation of electric potentials on the surfaces of interaction of deformable metal bodies with hydrogen-containing environment
Authors: Stashchuk Mykola , Pukach Petro , Irza Evgen , Hromyak Roman , Stashchuk Nazar
Published: June 2022

In most cases the metal structures service under operating conditions results in the fact that these structures or their certain elements are constantly affected not only by mechanical factors (load, residual stresses, etc.), but also by the environment. Elements of pipelines, load-bearing sections of thermal and hydroelectric power stations, metal structures of bridges are all influenced by the environment that fills or surrounds them. Such environment depending on the content of acids and alkalis, a number of hydrogen-containing media can be corrosive. It should be also noted that the influence of such corrosive environment and mechanical factors influence are simultaneous and interrelated resulting very often in brittle or quasi-brittle metal fracture. Therefore, the problem of estimating the basic metal structures engineering parameters (strength, reliability, etc.) that are corroded by the simultaneous action of mechanical force factors, is currently an important problem of industrial operation. The paper presents problems based on the theory of elasticity, electrodynamics, theoretical electrochemistry and equations of mathematical physics. According to the established analytical ratios for the calculations of effective electric potentials and the corresponding numerical experiments, the estimation of electric potentials on the surfaces of interaction of deformable metal bodies with hydrogen-containing medium is carried out.
Effectiveness of Matched and Mismatched Natural Rock Joints Using Experimental Direct Shear Tests
Authors: Shamsoddin-Saeed Masoud , Karimi-Nasab Saeed , Jalalifar Hossein
Published: June 2022

In practice, the shear strength of joints is not only determined by the roughness, but also by the degree of joint matching. Due to alteration or movement, the joints with equal roughness might be mismatched. The matching degree of the joint is a significant factor that controls the normal closure, aperture, stiffness, hydraulic conductivity, and shear strength of the jointed rock mass. Studying the shear behavior of natural mismatched rock joints obtained from core drilling with different morphological characteristics, degrees of matching, and irregular shapes is an issue that has gained less attention due to the lack of samples and difficulty to obtain data. This study investigates the shear behavior of mismatched joints obtained from core drilling. Here, a new criterion is developed based on 35 series of direct shear tests, Barton and other classical theories, three-dimensional morphological characteristics, and matching condition of joints. To validate the proposed criterion, the estimation accuracy of the available classical models is compared with that of the new model. It is observed that the new criterion could achieve higher prediction accuracy for mismatched joints. Moreover, it is found that the average estimation error of the predicted values is reduced by considering the matching conditions.
Evaluation of Behavior of a Deep Excavation by Three-dimensional Numerical Modeling
Authors: Tabaroei Abdollah , Sarfarazi Vahab , Pouraminian Majid , Mohammadzadeh S. Danial
Published: June 2022

To stabilize the urban deep excavations, soil anchoring is one of the methods that are very common for geotechnical engineers. Most of the previous studies have used a simplified the complex interaction and often they have overlooked the effects of three-dimensional (3D) modeling. In this study, the results of 11 3D finite element (FE) analysis of a deep excavation which supported with tie-back wall are presents. For this purpose, Firstly, the Texas A&M excavation which supported by two rows of ground anchors, soldier pile and wood lagging was modeled and secondly the results obtained from 3D numerical modeling have been compared with those obtained from measured data and the results of previous study. Then, the effect of ground anchors arrangement on the excavation behavior including horizontal displacement of the wall (δh) and surface settlement (δv) and their maximum values have been investigated. The results showed that a change in the value of SV1 does not have a significant effect on the value of maximum horizontal displacement of the wall (δhm). The value of SV1 has a significant effect on the value of (δv and by increasing its value from 1.5 m to 2.5 m; the heave created at edge of the wall disappears and at d≥–1 m surface settlement created. When De=16 m, a variation in ground anchors arrangement significantly affected the values of maximum surface settlement ((δvm) as compared to δhm. The results presented in this study can be helpful for designers without experience and information of previous designs.
Effect of Gestational Weight Gain on Overweight and Obese Pregnant Women
Authors: Sunsaneevitayakul Prasert , Sompagdee Nalat , Dehghan Maria Asad- , Talungchit Pattarawalai
Published: June 2022

Objective: To examine the adherence of gestational weight gain (GWG) recommendations and pregnancy outcomes among overweight and obese pregnant women.Materials and Methods: The medical records of 405 overweight or obese pregnant women who delivered at Siriraj Hospital between September 2018 and June 2019 were reviewed. The adherence to GWG recommendations according to pre-pregnancy body mass index (BMI) was examined. The characteristics and pregnancy outcomes of the overweight and obese pregnancies as well as between the adherence and non-adherence to the GWG recommendations groups were studied and compared between the groups.Results: Adherence to the GWG recommendations between the overweight and obese pregnancy groups were significantly different at 60.2% and 44% respectively (p-value = 0.002), although the average GWG was significantly lower in the obese than overweight pregnancies (p-value = 0.003). Pre-pregnancy BMI was significantly higher in the non-adherence group compared with the adherence group (p-value = 0.025). Pregnancy outcomes as well as the prevalence of gestational diabetes mellitus between these two groups were comparable. Also, adverse pregnancy outcomes were not statistically significantly different among the adherence and non-adherence groups.Conclusion: The adherence to gestational weight gain recommendations in obese and overweight pregnancies is still a challenge. Obese pregnant women are less likely to control weight gain during pregnancy. Pre-pregnancy BMI is an important factor for overweight and obese pregnant women to achieve the GWG goal. Ensuring a proper GWG alone might not improve most adverse pregnancy outcomes in overweight and obese pregnancies.
Age-Related Changes in Signal Intensity Ratio of Normal Clivus Bone Marrow on Magnetic Resonance Imaging
Authors: Oilmungmool Nongluk , Chattrapiban Thanin , Tinnut Sujitra , Galassi Waneerat
Published: June 2022

Objective: To evaluate the association between the signal intensity ratio of clivus bone displayed on magnetic resonance (MR) imaging and ages.Materials and Methods: A retrospective cohort study of 268 patients underwent brain MR imaging during January 2015 to October 2019. We qualitatively and quantitatively assessed bone marrow signal intensity of clivus bone that were performed on T1-weighted sagittal images. In qualitative assessment, the signal intensities of clivus were visually graded from Grade I to III according to the proportion of low and high signal intensity areas occupying the clival marrow region. In quantitative assessment, we evaluated the association between the signal intensity ratio of clivus to pons and age categorized by decades in multivariable Gaussian regression analysis.Results: Of 268 patients, the ratio of males to females is 1:1. Grade I clivus was found about 35% of the age 1-9 years, whereas Grade 3 clivus was more frequent (more than 13%) in the ages over 30 years. There were statistically different in the mean values of clivus/CSF and clivus/pons signal intensity ratios by grades. The mean values of clivus/CSF and clivus/pons signal intensity ratios were increased by ages in both sexes, but slightly higher in males. In regression analysis after adjustment for sex, the differences in mean values of clivus/pons signal intensity ratios were larger by increasing age, using the age 1-9 as a reference group.Conclusion: The present study confirms that signal intensity ratios of clivus to pons on T1-weighted sagittal MR images is increased with ages.
Faház a réten
Authors: Kościuch Marcin , Osięgłowski Tomasz
Published: June 2022

This timber framed, timber clad home's design was initiated by the client request stating, "we would not like, to have timber elevations". Following traditional ideas for a low-rise home with a 45o roof pitch and south facing rooms a contemporary home has been developed that embraces local values without need for acts of nostalgia. Privacy is gained by orientating storage functions to the fenced street side of the home and lifestyle areas towards the extensive open garden.
Kortárs klasszicizmus
Authors: Szentirmai Tamás
Published: June 2022

Referencing classical concepts of horizontal articulation and strict application of proportions this contemporary interpretation of the built form informs a new sense of order. The choice of material ranging from timber boarding to exposed concrete follow a strict design discipline which informs this villa's interior spaces and how they connect to the surrounding environment.
Határkő
Authors: Wesselényi-Garay Andor
Published: June 2022

A client's dream to have a Scandina - vian styled home in Budapest took form when remodelling an existing villa in the Buda Hills. Faced with the problems of an extremely steep site, hard to access by car, and the need for will lit spaces the designers adopted the idea of reversing the home: entrance, garage and living spaces sitting above the bedrooms and ancillary functions. Working with brick cladding, raw concrete, and daylighting as design tools a balance between exterior and interior has been achieved. Whether or not the home is Scandinavian in style is open for question as it seems to fit comfortably alongside its contemporaries found in modern Hungarian architecture.
ADVANCED APPROACH IN SOLAR PV PLANT PROTECTION SYSTEM
Authors:   National Council for Cement and Building Materials, Hyderabad, INDIA, Venkatesh V , Krishna D Vamsi ,   National Council for Cement and Building Materials, Hyderabad, INDIA, Kalyani K V ,   National Council for Cement and Building Materials, Hyderabad, INDIA, Saxena Ashutosh ,   National Council for Cement and Building Materials, Hyderabad, INDIA
Published: June 2022

Solar Photovoltaic (PV) technology has become one of the most promising and reliable source of renewable energy. The favorable conditions like decreasing prices of PV system, increased panel size and enhanced efficiency improved the solar PV power plants installations. PV Panel and Inverter are vital equipment’s in functioning of solar PV system. As the solar power plant has various power electronics and other electrical components, there might be chance for power interruptions due to improper functioning of switch gear. Ensuring protection measures of the solar power plant plays a key role in smooth functioning of the system. The main objective of the paper is to explain various protection issues faced in solar roof top system and the necessary measures taken for resolving the issues with root cause analysis. This technical paper also showcases various preventive maintenance activities followed in the solar PV plant
Sistem Rekomendasi Buku Perpustakaan Menggunakan Algoritma Frequent Pattern Growth
Authors: Retnoningsih Endang , Afriyanti Tia Monisya
Published: June 2022

Perpustakaan memiliki pelayanan utama memfasilitasi peminjaman buku, untuk memudahkan anggota perpustakaan menemukan buku yang tepat, perpustakaan dapat dilengkapi dengan sistem pencarian buku. Sistem pencarian buku yang tersedia umumnya kurang membantu untuk menemukan buku yang tepat bagi anggota yang belum menentukan buku yang akan dipinjam. Algoritma Frequent Pattern Growth (FP-Growth) merupakan metode yang digunakan dalam sistem rekomendasi peminjaman buku. Tahapan dari metode FP-Growth yaitu tahap pengumpulan data, tahap menyusun tabel generate frequent itemset, tahap menentukan nilai minimal support, tahap pembangkitan conditional pattern base, tahap pembangkitan conditional FP-tree, tahap pencarian frequent item sets dan menentukan nilai support dan confidence pada setiap itemset. Hasil penggunaan sistem rekomendasi peminjaman buku ini mempermudah pustakawan dalam proses pengolahan data buku, data peminjaman, serta anggota dapat mengetahui perbaharuan dari setiap buku-buku yang direkomendasikan secara random. Bagi anggota rekomendasi top five merupakan rekomendasi buku yang terbanyak dipinjam oleh semua anggota, rekomendasi sejenis merupakan rekomendasi bagi anggota berdasarkan judul yang terkait dengan pencarian dan peminjaman.
MODIFIKASI PARABOLIC FIN PADA PERMUKAAN LUAR DRUM TROMOL FUSO
Authors: Handoko Rudy , Setiawan Reza , Sumarjo Jojo
Published: June 2022

Dewasa ini, kendaraan bermotor cenderung menjadi semakin cepat dengan kemampuan membawa beban atau muatan yang semakin berat sehingga perlu diimbangi dengan sistem pengereman yang baik. Simulasi analisis ini memiliki tujuan untuk menentukan desain terbaik dalam mereduksi panas hasil pengereman. Metode penelitian yang digunakan adalah simulasi dengan tahapan berupa studi literatur, desain produk drum tromol, analisa dan kesimpulan. Tegangan thermal dianalisis menggunakan metode elemen hingga kemudian hasilnya dibandingkan dengan hasil simulasi tanpa menggunakan sirip pendingin. Hasil pada simulasi menggunakan ansys menunjukan data grafik perbandingan temperature dan waktu yang menjelaskan bahwa penambahan sirip pada bagian luar permukaan drum tromol dapat memperbesar nilai heatflux total sehingga dapat mempercepat proses pelepasan panas dan waktu pendinginan.
RANCANG BANGUN TUNGKU PELEBUR LOGAM ALUMINIUM BAHAN BAKAR OLI BEKAS (PORTABLE)
Authors: Pradana Aditia
Published: June 2022

Penggunaan oli sebagai pelumas dan pendingin mesin meningkat seiringan dengan banyaknya pengunaan kendaraan bermotor, namun pemanfaatan dari limbah oli bekas masih belum optimal. Penelitian ini bertujuan untuk memanfaatkan limbah oli bekas menjadi bahan bakar tungku peleburan logam aluminium. Penelitian kali ini akan merancang dan membuat tungku peleburan logam aluminium bahan bakar oli bekas portable agar mempermudah dalam proses penggunaan serta pengujiannya. Pengujian dilakukan dengan melebur logam aluminium seberat 2 kg dan menghitung biaya proses peleburan. Hasil pengujian yang sudah dilakukan menunjukkan tungku pelebur aluminium bahan bakar oli bekas ini dapat melebur 2 kg aluminium selama 20 menit dan bahan bakar yang digunakan sebanyak 2 liter serta biaya yang diperlukan untuk proses peleburan sebesar Rp. 4.100,-.
On Duverger and "Laws of Politics"
Authors: Cuzan Alfred
Published: June 2022

Erik Weber argues that my claims about “laws of politics,” although grounded in an “impressive” “evidence base,” cannot be taken as such on two grounds. A key concept is unspecified and an adequate “strategy” is lacking. Here I respond to Professor Weber.
The Effect of Problem-based STEM Education on the Students’ Critical Thinking Tendencies and Their Perceptions for Problem Solving Skills
Authors:   Erzican Binali Yıldırım Üniversitesi, Eğitim Fakültesi, Erzincan, Turkey, Topsakal İrfan , Yalçın Sema Altun ,   Erzican Binali Yıldırım Üniversitesi, Eğitim Fakültesi, Erzincan, Turkey, Çakır Zehra ,   PhD student, Erzican Binali Yıldırım Üniversitesi, Eğitim Fakültesi, Erzincan, Turkey
Published: June 2022

This research aimed to explore the effect of problem-based STEM activities on middle school students’ perceptions related to problem-solving skills and their critical thinking tendencies. The sample consisted of 81 students. A mixed method was employed in the research. The quantitative data collection tools were the ‘Critical Thinking Tendency Scale’ and ‘The Perception Scale for Problem Solving Skill’. The qualitative tools were a Semi-structured Interview Form and Experience diaries developed by the researcher considering the quantitative scales. While the quantitative data, obtained in the research, were analysed with one-way ANOVA, the statistical method; and the qualitative data were analysed with the content analysis. At the end of the research, a significant difference was detected in favour of experimental groups in the students' perceptions of their problem-solving skills and critical thinking tendencies. On the other hand, in the qualitative results, it was reported that the problem-based STEM education created a positive effect as cognitive maturity and innovativeness in the students' feelings, thought and behaviours. It was concluded that the students used the inter-disciplinary knowledge with the problem-based STEM activities; found the problem solving, understanding the problem and working with their friends favourably. According to these results, it can be claimed that STEM education is highly effective in developing the skills that are expected from individuals in the 21st century such as problem-solving, critical thinking, social interaction.
Panorama and Perspectives of the Teaching of Radiation and Radioactivity at the High School Level
Authors:   Department of Physics, Federal Institute of Education, Science and Technology of São Paulo, São Paulo, Brazil, Santos Silva Guilherme Paulino , Trindade Neilo Marcos ,   Department of Physics, Federal Institute of Education, Science and Technology of São Paulo, São Paulo, Brazil
Published: June 2022

This paper presents a perspective of how the radiation and radioactivity themes have been discussed at the high school level in several locations around the world. In this context, scientific journals, academic journals, theses, dissertations, and media materials were analyzed. Recent research has shown that the concern with the discussion about radiation and radioactivity in basic education is a current and global issue. The discussion on the radiation and radioactivity themes in different contexts in this paper was presented in four parts: (i) the representations used to deal with the themes; (ii) how the high school curriculum deals with the topic; (iii) the common alternative conceptions; and (iv) intervention proposals to address the issues. Based on a literature review, in order to collaborate in the teaching of radiation and radioactivity topics, the main objective of this work is to understand the current scenario on these topics, identify some challenges to understand them and present possible interventions to overcome them.
ISOLASI DAN KARAKTERISASI BAKTERI PATOGEN PADA BENIH PADI DAN KEDELAI
Authors: Winarni Inggit
Published: June 2022

Healthy seedlings is required in the cultivation of crops. Bad seeds can reduce the quality and quantity of crop yields. This research aim was to find a group of pathogenic bacteria rice and soybean seed from Seed Technology Experimental Garden IPB-Darmaga. The research was conducted in 2004 at the Microbiology Laboratory of the Department of Biology Faculty, Bogor Agricultural University. This research began with the isolation, followed by morphological and physiological characterization based on Bergey's Manual of Determinative Bacteriology. Morphological characterization includes the observation of the shape and colour of colonies,Gram stain test, and motility test. Physiological examination were catalase test, oxidase test, xanthomonadin test, and test poly hydroxy butyrate. Those characterizations of rice and soybean seeds samples suspected one group of pathogenic bacteria. The stydy showed that the morphology and physiology characters of colony were shape round, convex, white-yellow, Gram negative, motile, rod-shaped cells, catalase positive, oxidase negative, negative xanthomonadin, and PHB negative. Both bacterial pathogens of rice and soybean seeds showed characteristics similar to those Pseudomonas sp., so it is strongly suspected that these two bacteria are grouped into the genus of Pseudomonas sp.

 

Benih yang sehat diperlukan dalam budidaya tanaman. Benih tidak sehat dapat  menurunkan kualitas dan kuantitas produksi. Penelitian ini bertujuan untuk mendapatkan beberapa kelompok bakteri patogen benih padi dan kedelai yang berasal dari kebun percobaan jurusan Teknologi Benih IPB-Darmaga. Penelitian dilaksanakan pada tahun 2004 di Laboratorium Mikrobiologi Departemen Biologi FMIPA, Institut Pertanian Bogor. Penelitian diawali dengan kegiatan isolasi, dilanjutkan dengan karakterisasi morfologi dan fisiologi berdasarkan Bergey’s Manual of Determinative Bacteriology. Karakterisasi morfologi meliputi pengamatan terhadap: bentuk dan warna koloni, uji pewarnaan Gram, dan uji motilitas. Karakterisasi fisiologi meliputi uji katalase, uji oksidase, uji xanthomonadin, dan uji poly hidroksi butirat. Hasil isolasi pada masing-masing sampel benih padi dan kedelai ditemukan satu jenis bakteri patogen, yang selanjutnya dikarakterisasi secara morfologi dan fisiologi. Hasil uji morfologi dan fisiologi menunjukkan bahwa bentuk koloni bulat, cembung, warna putih-kuning, Gram negatif, bersifat motil, sel berbentuk batang, katalase positif, oksidase negatif, xanthomonadin negatif, dan PHB negatif. Kedua bakteri patogen benih padi dan kedelai memperlihatkan ciri yang sama dengan kelompok Pseudomonas sp., sehingga diduga kuat kedua bakteri tersebut dikelompokkan ke dalam genus Pseudomonas sp.
KERAGAAN TINGKAT PENERAPAN METODE SLPTT PADI DI KECAMATAN CIAWI BOGOR
Authors: Pertiwi Pepi Rospina , Yani Diarsi Eka
Published: June 2022

This research is intended to explain (1) the perception of farmers on the application of rice SLPTT methods, and (2) the level of implementation of rice SLPTTmethod. The study design was descriptive research. The study population were all farmers who were members of paddy farmer groups in the District of Ciawi, who participated in SLPTT. Samples were selected from two groups of SLPTT participants in two villages, each of 20 participants. Data consisted of primary data and secondary data. The perception of farmers on the application of rice PTT was measured on the perception of farmers in terms of the correspondence amongmethods, characteristic of the area, and the message content of innovation. The level of implementation of the rice SLPTT method was measured by the success of the method in delivering innovation, the success of the method of making the farmers applying innovation, and the success of the method in providing benefits to farmers. The results showed that farmers' perception on the suitability of the application of SLPTT methods with the characteristics of the area is quite good, as well as the farmer's perception about the suitability of the application of SLPTT methods with the content of the message is in excellent innovation. The level of implementation of the method is quite effective. Farmers acquire enough knowledge to increase even tend to be greatly increased. In addition, farmers acquire sufficient mastery of skills, take benefits of the increased production and income.

Penelitian bertujuan menjelaskan (1) persepsi petani terhadap penerapan metode SLPTT padi, dan (2), tingkat penerapan metode SLPTT padi. Rancangan penelitian adalah descriptive research. Populasi penelitian adalah semua petani yang menjadi anggota kelompok tani padi di wilayah Kecamatan Ciawi, yang menjadi peserta SLPTT. Sampel dipilih dari dua kelompok peserta SLPTT di dua desa, masing-masing  20 orang peserta.  Data yang dikumpulkan terdiri dari data primer dan data sekunder. Persepsi petani tentang penerapan PTT padi yang diukur adalah  persepsi petani tetang kesesuaian metode dengan karakteristik wilayah, dan isi pesan inovasi. Tingkat penerapan metode SLPTT padi diukur dengan keberhasilan metode dalam menyampaikan inovasi, keberhasilan metode dalam menjadikan petani menerapkan inovasi, dan keberhasilan metode dalam memberikan manfaat bagi petani. Hasil penelitian menunjukkan bahwa persepsi petani tentang kesesuaian penerapan metode SLPTT dengan karakteristik wilayah tergolong cukup baik, persepsi petani tentang kesesuaian penerapan metode SLPTT dengan isi pesan inovasi tergolong sangat baik. Tingkat penerapan metode tergolong cukup efektif baik. Petani memperoleh pengetahuan yang cukup meningkat bahkan cenderung sangat meningkat, memperoleh penguasaan keterampilan yang cukup meningkat serta memperoleh manfaat terhadap produksi dan pendapatan yang juga cukup meningkat.
PENGARUH RISIKO SISTEMATIS DAN RISIKO TIDAK SISTEMATIS TERHADAP EXPECTED RETURN SAHAM DALAM RANGKA PEMBENTUKAN PORTOFOLIO SAHAM LQ-45 YANG TERDAFTAR DI BURSA EFEK INDONESIA DENGAN SINGLE INDEX MODEL PERIODE TAHUN 2009
Authors: Paramitasari Ratih
Published: June 2022

The objective of this research is to test the influence of systematic risk and unsystematic risk on stock portofolios expected return of LQ45 companies by single index model. The population of this research is all of stock listed on Indonesian Stock Exchange. The sample of this research is stocks of LQ45 category and it is determined by purposive sampling, and it is consist of 37 stocks. Data analysis of this study uses the multiple regression analysis. Partially and simultaneously, the result shows that systematic risk and unsystematic risk affect significantly to the expected return of stock portfolio. This results show changing variation of systematic risk and unsystematic risk are used to predict changing variation of expected return of stock portfolio. This result accordance with the theory that is positive and linear relationship between expected return and risk.

 

Tujuan dari penelitian ini adalah untuk menguji pengaruh risiko sistematis dan risiko sistematis pada hasil saham yang diharapkan portofolio terhadap perusahaan LQ45 dengan menggunakan model indeks tunggal. Populasi penelitian ini adalah semua saham yang tercatat pada Bursa Efek Indonesia. Sampel dari penelitian ini adalah saham dari kategori LQ45 dan ini ditentukan secara purposive sampling, dan itu terdiri dari 37 saham. Analisis data penelitian ini menggunakan analisis regresi berganda. Parsial dan simultan, hasilnya menunjukkan bahwa risiko sistematis dan risiko sistematis berpengaruh signifikan terhadap pengembalian yang diharapkan dari portofolio saham. Hasil ini menunjukkan perubahan variasi risiko sistematis dan risiko tidak sistematis digunakan untuk memprediksi perubahan variasi keuntungan yang diharapkan dari portofolio saham. Hasil ini sesuai dengan teori bahwa hubungan positif dan linier antara laba yang diharapkan dan risiko.
PERSEPSI TERHADAP SIKAP DAN MINAT PENGGUNA LAYANAN INTERNET PADA PERUSAHAAN JASA ASURANSI
Authors: Kusnadi Dedi
Published: June 2022

The background of this research is to analize what is the effect of consumers perception to their attitude and intention towards of their actual usage on internet insurance service. There is a rapid growth in number of internet usage and users in Indonesia until 2012 for 55 million people users, thus its giving a good business opportunity in industry. For the finance business industry, the internet insurance service adoption is at the introduction stage. There are several differences between internet insurance service and common service. Therefore the insurance company needs to have a good insight of their consumer perceptions towards of internet insurance usage for improving their services. The Structural Equation Modelling used to analising the data collected proceeds by LISREL 8.70. The results of this research are there are revelations of positif effect for trust, perceived usefulness and perceived ease of use towards of attitudes and intentions to internet insurance services actual usage, howevere there are no revelations of positif effect for trust towards of intention to use.

 

Penelitian ini dilakukan untuk menganalisis pengaruh faktor-faktor persepsi terhadap sikap dan minat konsumen dalam hal ini nasabah asuransi untuk menggunakan layanan internet asuransi. Teknologi internet yang makin berkembang baik penggunaannya dan jumlah penggunanya di Indonesia yaitu 55 juta orang pada tahun 2012, memberikan peluang bisnis yang baik. Pada industri jasa keuangan maka industri asuransi masih baru pada tahapan awal dalam menyediakan jasa layanan produk-produk asuransi. Dengan adanya perbedaan karakteristik dari transaksi jasa layanan menggunakan media internet dibandingkan layanan transaksi langsung, merupakan suatu hal yang penting bagi pihak perusahaan jasa asuransi untuk lebih memahami hal-hal apa yang dapat mempengaruhi konsumen mereka dalam menentukan keputusan menggunakan jasa layanan transaksi internet. Metode yang digunakan untuk menganalisa pengolahan data adalah dengan SEM (Structural Equation Modelling) dengan menggunakan perangkat lunak LISREL 8.70. Penelitian ini menemukan bahwa ada pengaruh dari faktor-faktor persepsi kepercayaan, kegunaan dan kemudahan penggunaan terhadap sikap nasabah yang kemudian mempengaruhi minat untuk menggunakan layanan internet asuransi. Juga ditemukan bahwa tidak adanya pengaruh dari faktor persepsi kepercayaan terhadap minat nasabah untuk menggunakan layanan transaksi internet asuransi.
KEPUASAN KLIEN DAN KEGUNAAN LAPORAN AUDIT EKSTERNAL STAKE HOLDER (PERSPEKTIF KLIEN AUDIT)
Authors: Ismail Tubagus
Published: June 2022

The purpose of the paper is to test a structural equation model (SEM) of client satisfaction with the audit, and of client perception of the usefulness of the audit to external stakeholders. A questionnaire was mailed to audit clients, i.e. of manufacturing go public companies in the province of Banten; 57 useable questionnaires were returned. Data were processed using the SEM software Partial Least Square (PLS). The data suggest that auditors face difficulties in handling divided loyalties, as audit clients perceive a strong relationship between client satisfaction and usefulness to external stakeholders. The higher auditors competence is perceived to be by the clients, the more satisfied they are with the audit and the more useful they believe the audit is to external stakeholders. The more skeptical the auditor is perceived to be by the clients, the less satisfied they are with the audit and the moreuseful they believe the audit is to external stakeholders. The findings extend previous results, the better the relationship with the auditor is perceived to be by the clients, the more satisfied they are with the audit and the less useful they believe the audit is to external stakeholders. The study addresses an issue most auditing research has not explicitly considered: the distinction between client satisfaction with the audit and client perceptions of the usefulness of the audit to external stakeholders.

Tujuan dari artikel ini adalah untuk menguji model persamaan struktural (SEM) atas kepuasan klien, audit, dan persepsi klien tentang kegunaan audit kepada pemangku kepentingan eksternal. Responden penelititan ini adalah 57 klien audit, yang bekerja di perusahaan manufaktur go public di Provinsi Banten. Data diolah dengan menggunakan softwareSEM Partial Least Square (PLS). Hasil penelitian menunjukkan bahwa auditor menghadapi kesulitan dalam menangani kesetiaan yang terbagi bagi, antara harus berada pada posisi kepuasan klien dan kegunaan kepada para pemangku kepentingan eksternal. Semakin berkompeten auditor, semakin puas klien audit dan lebih bermanfaat untuk stakeholdereksternal. Semakin skeptis auditor yang dianggap oleh klien, semakin kurang puas mereka klien audit dan semakin berguna untuk stakeholdereksternal. Semakin baik hubungan dengan auditor yang dianggap oleh klien, semakin puas klien audit dan kurang berguna bagi stakeholdereksternal. Penelitian ini membahas masalah penelitian audit belum secara eksplisit dipertimbangkan.
ANALISIS TINGKAT KEPUASAN NASABAH BANK, PENERAPANMETODEANALYTICAL HIERARCHY PROCESS
Authors: Arlian Ujang , Puji Lestari Etty
Published: June 2022

The development of the banking industry continues to progress over time. History has recorded that the banking industry advances occur after the deregulation package. Impact after the deregulation package that is increasing the number of private banks in Indonesia.Both private banks and state banks/enterprises vying to attract customers. Regional Development Bank (BPD), which has changed its name to the name of the province in Indonesia is also trying to implement a variety of strategies to encourage people to do deposits. The purpose of this study is to determine the level of satisfaction of bank customers who are in Lebong. The analytical method used is Analytical Hierarchy Process (AHP). Using four (4) criteria such as facilities, products, services, and security as a comparison between the two banks. The results showed that the criteria for the facility is a major factor in determining the level of customer satisfaction.Then followed the safety criteria for second place while the third and fourth position are the criteria of products and services. 

 

Perkembangan industri perbankan terus mengalami kemajuan dari waktu ke waktu. Sejarah telah mencatat bahwa kemajuan industri perbankan terjadi setelah masa paket deregulasi. Dampak setelah masa paket deregulasi yaitu bertambah banyaknya bank swasta di Indonesia. Baik bank swasta maupun bank BUMN/BUMD berlomba-lomba untuk menarik nasabah. Bank Pembangunan Daerah (BPD) yang telah berubah nama menjadi nama provinsi di Indonesia juga berupaya dengan menerapkan berbagai strategi untuk mengajak masyarakat melakukan simpanan. Tujuan penelitian ini yaitu untuk mengetahui tingkat kepuasan nasabah perbankan yang terdapat di Kabupaten Lebong. Metode analisis yang digunakan adalah Analytical Hierarchy Process (AHP). Menggunakan 4 (empat) kriteria seperti fasilitas, produk, pelayanan, dan keamanan sebagai pembanding diantara kedua bank tersebut. Hasil penelitian menunjukkan bahwa kriteria fasilitas merupakan faktor utama didalam menentukan tingkat kepuasan nasabah. Kemudian disusul kriteria keamanan diposisi kedua sedangkan diposisi ketiga dan keempat ialah kriteria produk dan pelayanan.
PENGARUH KUALITAS PELAYANAN DAN KEPUASAN MAHASISWA TERHADAP INTENSI MEREGISTRASI ULANG MAHASISWA
Authors: Sylvana Andi
Published: June 2022

This article is written based on the research about the influance of service quality and student’s satisfaction toward the intensity of student’s re-registration. This research is a replica of Davidow’s research regarding timeliness, apology, redress, facilitation, credibility and attentiveness as an indicator of service quality that could influence the satisfaction as well as the intention to repurchase. The analisys method that’s being used in this research is the hierarchy analisys method. By using this analisys, the causal relation between variable and the hierarchy of each variables, whether direct or indirect relations, can be estimated. The population of this research is the student of UT in UPBJJ all over Indonesia. The result of this research indicates that service quality’s factor has a significant influence toward the student’s satisfaction; student satisfaction’s factor has a significant influence toward the intensity of student’s re-registration; service quality factor has a significant influence toward the intensity of student’s re-registration; both service quality and student satisfaction’s factor don’t have a significant influence toward the intensity of student’s re-registration.
FAKTOR-FAKTOR YANG MEMPENGARUHI PENCIPTAAN KEMAKMURAN DALAM MERGER DAN AKUISISI
Authors: Norhamida Hana
Published: June 2022

One of the company strategies to remain existing and developing in the creating of wealth as by merger and acquisition. Researchs say that some factors may influence it. This paper will explain some factors that may influence the wealth-creation for stock holder of acquisitor/bidder and target firm. The measurement of wealth used by public company do not require any financial statement analysis like measurement of value creation performance, because measurement of wealth rely on stocks market. The wealth-creation in the merger and acquisition transaction through abnormal return may be influenced by many factors as the following: acquisition type, form of payment, quantity of bidder, level of diversification, ownership distribution, management performance, firm size, and regulation.

 acquisition, merger, wealth-creation.