bluuebunny/crossref_metadata_2025_split huggingface dataset:
Tüketicilerin özel markalı ürünlere yönelik tutumlarını etkileyen faktörlerin tekrar satın alma niyeti üzerindeki etkisinin incelenmesi: Kişisel bakım ürünlerine yönelik bir araştırma
Authors: Pektaş Selin , Semiz Buket Bora 
Published: April 2021

Bu araştırmanın amacı, tüketicilerin özel markalı kişisel bakım ürünlerine yönelik tutumlarını etkileyen faktörlerin tekrar satın alma niyeti üzerindeki etkisinin incelenmesidir. Araştırmada nicel bir yöntem belirlenmiş olup kolayda örnekleme yöntemi ile seçilen 610 kişiden anket yöntemi ile 27 Mayıs-11 Haziran 2020 tarihleri arasında veri toplanmıştır. Araştırma örneklemini Bilecik ilinde kişisel bakım mağazalarından özel markalı ürünler satın alan tüketiciler oluşturmaktadır. Araştırma bulguları katılımcıların özel markalı kişisel bakım ürünlerini satın alma davranışları bağlamında incelendiğinde; satın alma sıklığı, haberdar olma durumu, fiyat-kalite algısı, ambalaj okuma bilgileri ve en çok satın alınan ürün türlerine yönelik bilgiler vermektedir. En çok satın alınan özel markalı kişisel bakım ürünleri peçete, diş fırçası ve ıslak mendil olarak tespit edilmiştir. Araştırmanın bir diğer sonucu da, değer bilinci ile fiyat-kalite algısı özel markalı kişisel bakım ürünlerini tekrar satın alma niyetini pozitif yönde etkilerken, algılanan risk ise özel markalı kişisel bakım ürünlerini tekrar satın alma niyetini negatif yönde etkilemektedir.
Evaluation of the efficiency of differential addition of points of curves in the generalized Edwards form
Authors: Bessalov A.V. , Kovalchuk L.V. , Kuchynska N.V. 
Published: April 2021

A survey of the main properties of three classes of curves in the generalized Edwards form is given: complete, quadratic and twisted Edwards curves. The analysis of the Montgomery algorithm for differential addition of points for the Montgomery curve is carried out. An estimation of the record low cost of computing the scalar product kP of a point P is given, which is equal to 5M+4S+1U on one step of the iterative cycle (M is the cost of finite field multiplication, S is the cost of squaring, U is the cost of field multiplication by a known constant). A detailed derivation of the formulas for addition-subtraction and doubling points for the curve in the generalized Edwards form in projective coordinates of Farashahi-Hosseini is carried out. Moving from three-dimensional projective coordinates (X: Y: Z) to two-dimensional coordinates (W: Z) allows achieving the same minimum computational cost for the Edwards curves as for the Montgomery curve. Aspects of the choice of an Edwards-form curve acceptable for cryptography and its parameters optimization in the problem of differential addition of points are discussed. Twisted Edwards curves with the order of NE=4n (n is prime) at p≡5mod8 are recommended, minimizing the parameters a and d allows achieving the minimum cost estimation 5M+4S for one step of computing the point product. It is shown that the transition from the Weierstrass curves (the form used in modern cryptographic standards) to the Edwards curves makes it possible to obtain a potential gain in the speed of computing the scalar product of the point by a factor of 3.09.
Methods for adjusting feedback in terahertz lasers
Authors: Dzyubenko M.I. , Maslov V.A. , Radionov V.P. , Fomin A.A. 
Published: April 2021

The optimal feedback coefficient in an active open resonator is an important condition for high lasing efficiency. For precise selection of the optimum communication and maintaining the optimum in all modes of laser operation, the ability to adjust smoothly the communication is required. Terahertz (THz) lasers have a number of features that one should take into account when choosing feedback control schemes. The paper presents a review and comparative analysis of the schemes of laser resonators (THz) in the range with a smoothly controlled radiation output. The authors consider both long known and widely used, as well as the latest schemes of laser resonators. Smooth adjustment can be realized in resonators formed by metal mirrors of total internal reflection and output mirrors in the form of metal mirrors with holes or one-dimensional metal gratings. The analysis of the advantages and disadvantages of each of the considered optical schemes of laser resonators is carried out.
It is shown that the given resonator schemes make it possible to control and optimize the feedback in the laser during its operation. All of them are not very complex and can be realized by re-equipping existing lasers. The choice of a specific scheme should be made in accordance with the specifics of the laser application. The use of resonators with smooth coupling control makes it possible to achieve high efficiency of lasers at all energy operating modes.
Scattering of electromagnetic waves by a discrete octahedron from resonant spheres
Authors: Kozar A.I. 
Published: April 2021

A solution is given to the problem of scattering of electromagnetic waves by a discrete convex polyhedron – an octahedron of resonant magnetodielectric spheres based on a complex rhombic crystal lattice.
Here we consider a case equivalent to the X-ray optics of crystals, when α / λ՛<<1 and can be α / λg ~ 1; d, h, l / λ՛ ~ 1, where α is the radius of the spheres; λ՛, λg are the lengths of the scattered wave outside and inside the spheres; d, h, l are constant lattices. The solution of the problem is obtained based on the Fredholm integral equations of electrodynamics of the second kind with nonlocal boundary conditions.
The expressions found in this work for a metacrystal in the form of an octahedron can be used to study the fields scattered by the crystal in the Fresnel and Fraunhofer zones, as well as to study its internal field.
The relations obtained in this work can find application in the study of the scattering of waves of various kinds by convex polyhedrons, the creation on their basis of new types of limited metacrystals, including nanocrystals with resonance properties, and in the study of their behavior in various external media. As well as in the development of methods for modeling electromagnetic phenomena that can occur in real crystals in resonance regions in the optical and X-ray wavelength ranges.
Himalayan and Trans Himalayan granitic rocks in and adjacent to Nepal and their mineral potential
Authors: Mitchell A. H. G. 
Published: April 2021

Granitic rocks occupying eight distinct tectonic settings can be recognized in the Himalayas and Transhimalayas. In the Lower Himalayas geographical belt a few plutons of two-mica granite intrude the lowest unit of the Nawakot Complex or Midland Group. More extensive are sheet- like lies of augen gneiss intrusive within a possibly thrust bounded succession carbonates and graphitic schists beneath the Main Central Thrust to the north. The most abundant granites in the Lower Himalayas are the two- mica cordierite- bearing granite within klippen; minor tin and tungsten mineralization is associated with these plutons, which are of late Cambrian age. Within the Higher Himalayas above the Main Central Thrust, the ‘Central Crystallines’ or Central Gneisses include pegmatites and pegmatitic granites intrusive into gneisses of probable early Proterozoic age; these have same potential for ruby, sapphire, aquamarine and possibly spodumene. Further north within the Higher Himalayan succession a southern belt of anatectic two- mica granites and leucogranites of mid-Tertiary age is favorable for tin, tungsten and uranium mineralization; a northern belt of granites or gneisses is of uncertain age and origin. North of the Indus Suture in the Transhimalayas extensive batholiths of hornblende granodiorite representing the root zone of a late Mesozoic to early Eocene volcanic arc are associated with porphyry copper deposits. Further north in southern Tibet the tectonic, setting for reported granitic bodies of Tertiary age is uncertain; their location suggests that they could be favorable host rocks for tin, uranium and porphyry molybdenum mineralization.
A study on the crustal movement in the Nepal Himalayas
Authors: Kizaki Koshiro 
Published: April 2021

Under the circumtances, basic data on the crustal movement of the Nepal Himalayas are most necessary. The upheaval process of some ten million years from Tertiary to present should be understood by the analysis of the kinematics being constructed by the time dependence process of the three dimensional architecture of the mountains. In other words, the crustal movement of 107-8 years should be revealed by geological method, that of 104-5 years by geomorphological method, and 100-2 years by geodetic method. These data should be integrated to elucidate the problem.
The geological investigations of the Nepal Himalayas have been conducted by the scientists of the Tethys Society and various universites in Japan since 1962. Some of the main achievements of these investigations have been published in the "Geology of the Nepal Himalayas" (edited by S. Hashimoto, 1973).
Himalayan Nappes in and adjacent to central Nepal
Authors: Mitchell A. H. G. , Bhandary A. N. , Jnawali B. M. , Madhikermi D. P. , Amatya K. M. , Adhikari P. P. , Shakya R. R. , Sharma R. R. , Tamrakar S. M. 
Published: April 2021

Results of recent geological mapping in the region of the Main Central Thrust of central Nepal indicate that the Benighat Slates and overlying units are a nappe probably equivalent to the Jutogh Group of Kumaon. Interpretation of the Ampipal Nepheline Syenite as basement of the Indian Shield implies that the Lower Nawakot Group is also a nappe. Total displacement on the Benighat Nappe, the Lower Nawakot Nappe and the previously described Kathmandu Nappe exceeds 210 km, indicating that continental crust of the Indian Plate has underthrust southern Tibet. South of the Transhimalayan magmatic arc, loss of the former arc-trench gap implies more than 100 km of northward overthrusting by upper crustal rocks of the Tethyan Himalayas.
Time-Domain induced Polarization Dipole-Dipole method for the investigation of Sulphide ore - example of some Copper prospects of Nepal
Authors: Tandukar R. P. , Bajracharya R. B. 
Published: April 2021

The paper presents the results of geophysical surveys carried out using induced polarization (IP) time-domain method with dipole-dipole configuration for the investigation of sulphide ore bodies in Kurule, Wapsa and Kalitar copper prospects of Nepal.
IP anomalies were observed in all the prospects which were subsequently checked by drilling. Sulphide mineralization in disseminated forms and in lenses were found.
The IP time-domain dipole-dipole method was found successful in the detection of disseminated sulphide mineralization even if its grade was very low.
Stratigraphy of the Sabhaya khola region, Sankhuha Sabha district, Eastern Nepal
Authors: Andrews Elizabeth 
Published: April 2021

Litho-stratigraphy of Sabhaya Khola region of eastern Nepal is worked out. The area is divided by thrusts into three main units viz; Milke Gneiss, Kathmandu Complex and Nuwakot Complex. The units are further subdivided into groups and formations mainly based on lithological characteristics. An attempt is also made to correlate these rocks with previous investigations in and adjacent to the present study area.
Economic deposits of almandine garnet occur within a N-S extending narrow zone in the Chainpur Group of Kathmandu Complex. The mineralization in the zone is considered to be controlled stratigraphically. Also, gem bearing pegrnatites occur in a definite stratigraphic horizon within the Phakuwa Group of Kathmandu Complex, just below the Main Central Thrust.
Numerical simulation of the stress strain state of base of the multi-helix screw pile under static loading in clay soil
Authors: Sedin Volodymyr , Kovba Vladyslav , Volnianskyi Yurii , Bikus Kateryna 
Published: April 2021

A full-scale experiment was conducted to study the operation of a multi-helix screw pile under static pressing and pulling load in dusty clay soil.
Based on the full-scale test of a multi-helix screw pile under static loading in dusty clay soil, numerical modeling of the stress-strain state of the base of the multi-helix screw pile was performed.
Multi-helix screw piles are actively used all over the world, and have also become widespread in Ukraine. Foundations made of multi-helix screw piles are often used for industrial construction as well as the foundations of low-rise buildings and structures.
Despite the growing demand for the use of multi-helix screw piles in modern construction, there is no official document calculating the features of their design and bearing capacity of a multi-helix screw pile. This poses a number of new tasks for engineers and geotechnical: a) development of new modern calculation methods; b) development and use of modern normative documents and recommendations for the calculation of foundations from multi-helix screw piles in various soil conditions; с) use of computer-aided design systems for calculation of complex geotechnical tasks; d) development of calculation models that will take into account nonlinear models of deformation of materials and soil base. Foundations made of multi-helix screw piles are a promising direction in the field of foundation construction due to the reduction of the duration of the foundation and its economic. This requires the development of regulations with recommendations for the calculation and use of multi-helix screw piles in the field of foundation construction, development of modern calculation models for the calculation of bearing capacity and settling of multi-helix screw piles in different geological conditions.
Based on the results of the field study of the work of multi-helix screw piles in clay soils, numerical modeling of the stress-strain state of the base of the multi-turn pile was performed, and their results were compared.
Influence of parameters of retaining walls and loose soils on the stability of slopes in the new construction of residential complexes
Authors: Skochko Liudmyla , Nosenko Viktor , Pidlutskyi Vasyl , Gavryliuk Oleksandr 
Published: April 2021

The stability of the slope in the existing and design provisions is investigated, the constructive decisions of retaining walls on protection of the territory of construction of a residential complex in a zone of a slope are substantiated. The stability of the slope when using rational landslide structures is estimated.
The results of the calculation of the slope stability for five characteristic sections on the basis of engineering-geological survey are analyzed. For each of the given sections the finite-element scheme according to the last data on change of a relief is created. The slope was formed artificially by filling the existing ravine with construction debris from the demolition of old houses and from the excavation of ditches for the first houses of the complex. Five sections along the slope are considered and its stability in the natural state and design positions is determined. Also the constructive decisions of retaining walls on protection of the territory of construction of a residential complex as along the slope there are bulk soils with various difference of heights are substantiated. This requires a separate approach to the choice of parameters of retaining walls, namely the dimensions of the piles and their mutual placement, as well as the choice of the angle of the bulk soil along the slope.
The calculations were performed using numerical simulation of the stress-strain state of the system "slope soils-retaining wall" using the finite element method. An elastic-plastic model of soil deformation with a change in soil parameters (deformation module) depending on the level of stresses in the soil is adopted. Hardening soil model (HSM) used. Calculations of slope stability involve taking into account the technological sequence of erection of retaining walls and modeling of the phased development of the pit. The simulation was performed in several stages: Stage 1 - determination of stresses from the own shaft, Stage 2 - assessment of slope stability before construction, Stage 3 - installation of retaining wall piles, Stage 4 - assessment of slope stability after landslides. Based on these studies, practical recommendations were developed for the design of each section of the retaining wall in accordance with the characteristic cross-sections.
Influence of the effect of crumpling of clay soils in compression tests on the determination of the subsidence of the base
Authors: Piatkov Oleksandr , Zhuk Veronika , Poliukhovych Olha 
Published: April 2021

The effect of "compression error" - the effect of crumpling samples of dusty clay soils in compression tests - has been investigated experimentally.
For this purpose, compression tests of sands and loams were carried out on a special compression device with a ring area A = 360 cm2 and a height hk = 7 cm.
The second difference of this device is the presence in the upper stamp of holes with a diameter of up to 5 mm for the installation of screw marks, which were placed in clay soil samples at a distance of up to 5 mm from the contact surface between the stamp and the soil.
The modulus of deformation is the main deformation mechanical characteristic of the soil. It is known from practice that more reliable values of this characteristic can be obtained by testing soil bases with stamps in the field. However, when designing the foundations of shallow foundation, as a rule, apply odometric tests of soils in the laboratory on standard compression devices with a ring area of 60 cm2 and a height of hk = 25 mm by the method of 2 curves [6]. To obtain the calculated values, the compression modules are corrected using transient coefficients [7, 4].
And most importantly, when determining the values of odometric laboratory modules, using standard compression devices, the result is affected by the "compression error". That is, the initial data for the calculated modules of deformation of the engineering-geological elements of the base can be significantly underestimated, which has been confirmed many times by complex pair (stamp-odometer) studies of soils under compression.
Studies of soil compression in compression conditions, conducted in the laboratory of foundations and foundations of KNUBA [2] prove the possibility of improving the results of odometric tests of soils for compression, bringing them closer to the strain.
Tour Guide Simulation: A Task-Based Learning Activity to Enhance Young Thai Learnersâ€™ English
Authors: Kanoksilapatham Budsaba , Suranakkharin Todsapon 
Published: April 2021

Purpose - This study aimed to explore the effects of task-based language teaching (TBLT) with a tour guide simulation as a focused activity on young Thai learnersâ€™ English speaking skill and their attitudes towards the instruction. Methodology - Based on a three-phase framework (i.e., pre-task, during-task, and post-task), TBLT was implemented with a Grade 4 class for a period of eleven weeks. Initially, a set of English lessons developed based on the context of local tourist attractions was implemented at the pre-task stage. In the second stage, a simulated tour guide task was used to assess their ability to turn the language input into a practical and authentic use of English speaking. Subsequently, corrective feedback on each studentâ€™s performance was provided, and their attitudes towards the instruction were examined at the last stage. Findings - The students were able to satisfactorily complete the tour guide task in English, indicating the potential of the task as a device to strengthen their speaking skill. Moreover, they generally had a favourable attitude towards the instruction. Significance - These findings are significant for both school teachers and curriculum designers. In addition to confirming the effectiveness of TBLT, this study highlights the promising use of context specific-based lessons and class activities as an avenue for young learners to practice speaking English in a context relevant to them.
Menangani Kekaburan Kemahiran Prosedur dan Terminologi Awal Matematik: Pendekatan Leksis Berdasarkan Teori Prosodi Semantik
Authors: Sarudin Anida , Mohamed Redzwan Husna Faredza , Osman Zulkifli , Raja Maâ€™amor Shah Raja Noor Farah Azura , Mohd Ariff Albakri Intan Safinas 
Published: April 2021

Tujuan- Kajian ini bertujuan mengenal pasti pedagogi guru awal Matematik dalam kalangan kanak-kanak di Pusat Anak PERMATA Negara (PAPN) dan mengenal pasti sejauh manakah pendekatan leksis berdasarkan Teori Prosodi Semantik dapat menjelaskan kekaburan kemahiran prosedur dan terminologi awal Matematik. Metodologi- Kajian ini melibatkan 20 orang guru dan 60 orang kanak-kanak yang berumur 4 tahun. Sebanyak 4 lokasi kajian dipilih, iaitu di PAPN Bercham, PAPN Sg. Siput, PAPN Teluk Intan dan PAPN Besout 1. Instrumen yang digunakan dalam kajian ini ialah soal selidik dan senarai semak pencerapan dan pemudahcaraan (PdPc). Proses pencerapan PdPc hanya melibatkan 8 orang guru yang terpilih secara rawak. Kajian ini juga mengaplikasikan korpus daripada Pangkalan data Dewan Bahasa dan Pustaka (DBP) untuk meneliti kolokasi kata dan konteks berkaitan leksikal padanan, kumpul, mengasingkan dan banding. Dapatan- Hasil kajian mendapati bahawa PdPc, guru mengajar konsep padanan dengan menjelmakan perkataan cari yang sama, pilih yang sama, sama tak bentuk, sama dengan, dan tarik, manakala konsep kumpul dijelmakan dengan leksikal seperti mengikut yang sama, dan ambil semua. Seterusnya konsep asing dijelmakan dengan leksikal kira, cuba kira, ambil, masukkan, cari dan mana. Seterusnya, konsep membanding diajarkan dengan menyebut leksikal bezakan dan yang mana. Pendekatan leksis berasaskan Teori Prosodi Semantik dapat menunjukkan konteks awal Matematik, iaitu konsep padanan, kumpul, asing dan membanding dengan tepat dari pelbagai perspektif kolokasi. Signifikan- Kajian ini mengetengahkan pendekatan leksis yang dapat menawarkan strategi baharu dalam pengajaran awal Matematik berteraskan Teori Prosodi Semantik.
Learner Autonomy of Pre-Service Teachers and its Associations with Academic Motivation and Self-Efficacy
Authors: Alkan Muhammet Fatih , Arslan Mehmet 
Published: April 2021

Purpose - Learner autonomy enables an individual to learn how to cope with novelties without getting any help from others. Considering the rapid changes and transformations of the 21st century, it has become essential for teachers to possess this characteristic. Moreover, measuring learner autonomy is required to determine their levels. Thus, the purpose of this two-phased study was to adapt the Autonomous Learning Scale into Turkish and to investigate academic motivation and self-efficacy as the predictors of autonomous learning. Methodology - In the first phase, the Autonomous Learning Scale was adapted into Turkish with the participation of 335 pre-service teachers. In the second phase of the study, the autonomous learning of pre-service teachers was investigated in terms of a number of demographic variables along with academic self-efficacy and academic motivation using the data obtained from 776 pre-service teachers with a survey method. Findings - For the first phase, the confirmatory factor analysis showed that Autonomous Learning Scale was a valid and reliable tool to be used in Turkish samples. For the second phase, the regression analysis revealed that academic self-efficacy and academic motivation were significant predictors of autonomous learning of pre-service teachers. Additionally, their autonomous learning significantly differed in terms of department, high school type, and gender. Furthermore, the GPAs of the pre-service teachers were significantly correlated with their autonomous learning levels. Significance - The Turkish version of the Autonomous Learning Scale was presented to researchers. The relationships between autonomous learning and self-efficacy along with motivation have been asserted in a number of studies. However, the present study not only confirmed the correlations among these variables, but also revealed the predictive powers of these variables on autonomous learning. Therefore, teacher educators and policy makers can gain insights from these findings.