bluuebunny/crossref_metadata_2025 huggingface dataset:
Experimental study of the effect of increasing technological plasticity during asymmetric rolling of aluminum alloys
Authors: Kozhemyakina A.
Published: June 2023

Abstract. In this paper the effect of asymmetric rolling on the possibility of increasing the technological plasticity of aluminum alloys was investigated. The experimental research was carried out on a laboratory asymmetric rolling mill with an individual drive of the work rolls with the possibility of creating a speed ratio from 1.0 to 5.0. It was shown that the increase of speed ratio of the work rolls from 1.0 to 5.0 significantly reduce the rolling force in comparison with symmetric rolling. Rolling force decreased in 1.9 times for alloy AD33 (AA6061), in 2.3 times for alloy AMg6, in 3.2 times for alloy D16 (AA2024). At the same time the technological plasticity was increased. Technological plasticity characterizes the ability of a material to undergo higher thickness reductions without fracture under certain conditions of stress, temperature, and strain rate. In asymmetric rolling the thickness reduction was increased from 48 to 87% for alloy D16, from 50 to 59% for alloy AMg6, and from 40 to 75% for alloy AD33 in comparison with symmetric rolling. In all cases the samples had initially room temperature and were subjected only to deformation heating and friction heating. Extremely high thickness reduction (87%) was achieved by a single pass asymmetric rolling (at speed ratio 5.0) for alloy D16. It was found that the ductility of the alloy D16 was 12.3% after asymmetric rolling with a thickness reduction of 87% and without the use of annealing. This was approximately 2 times higher than the initial ductility (6.2%) of the same alloy in the initial annealed state and much higher than ductility (0.3%) after symmetric rolling. New technological schemes of sheet rolling of aluminum alloys with high ductility and increased technological plasticity have been developed.
Hot plastic behavior of an ultrafine-grained aluminum alloy fabricated by laser powder bed fusion and equal channel angular pressing
Authors: Muñoz J.A.
Published: June 2023

Abstract. This research presents the microstructural evolution and mechanical properties of a hypoeutectic AlSi11Cu alloy obtained through laser powder bed fusion (L-PBF) and subsequent severe plastic deformation. The as-built alloy demonstrated a structure formed by an Al matrix surrounded by a Si-enriched cellular network. Tensile tests indicated a yield strength of 350 MPa and elongation to fracture lower than 5% for the as-built material. After subjecting the alloy to severe plastic deformation (SPD) using equal channel angular pressing (ECAP), superior mechanical properties such as an elongation almost twice as high as the as-built condition (12% compared to 6%) and a high tensile yield strength (320 MPa) were observed. ECAP produced average grain size reduction from 10 µm in the as-built state to 1 µm after six ECAP passes. Microstructural analyses highlight in particular the grain refinement of the microstructure after the ECAP process, changing from a microstructure composed of columnar grains to a heterogeneous microstructure characterized by ultra-fine (grain sizes between 200 nm - 500 nm) and elongated grains (grains between 5 µm – 10 µm). This finding supposes a huge improvement for the mechanical performance of this alloy breaking the strength-ductility paradox. The superplastic properties of the materials were characterized, depending on the variation of the temperature and strain rate parameters. This showed that the superplastic behavior was favored by low strain rates (here 0.001 s−1), and by increasing temperature (400 °C). Thus, elongations exceeding 70% were achieved with ECAP material.
An investigation of forming of Ti-6Al-4V at lower temperatures
Authors: Elrakayby H.
Published: June 2023

Abstract. Forming components of titanium alloys via superplastic forming at elevated temperatures while being exposed to oxygen leads to surface oxidation. The hard oxide layer formed on the surface of components is referred to as the alpha case. This alpha case layer requires post-form processing to remove it, thus increasing overall manufacturing costs and times. Superplastic forming at lower temperatures can significantly reduce the formation of the alpha case and has other benefits, such as life extension of tooling and less energy consumption. This paper shows the work done in terms of forming non-commercial components at temperatures significantly lower than the traditional ones, proving that forming at those temperatures is readily achievable. Forming pressures and tonnage need to be readjusted because of the increase in the flow stresses of the material. This paper also illustrates the implementation of a microstructural-based model to predict the hot forming behaviour of commercial titanium alloy Ti-6Al-4V (Ti64) during forming at 800°C. The material model is implemented into a commercial finite element software, Abaqus, and PAM-STAMP to obtain the optimal pressure cycle to form a non-commercial research component at 800 °C with a view to minimizing alpha case formation.
Fabrication and superplastic forming property research of TiB whisker reinforced titanium alloy matrix composite sheet
Authors: Fu M.
Published: June 2023

Abstract. Applied at elevated temperature compared with in situ-whisker reinforced titanium matrix composite(TMC) higher than matrix titanium alloy with 50~150℃. The advantage of TMC compared with Ti-Al intermetallic compound is lower cost, better weldable property, simple fabrication process; lower density compared with super alloy. One of important demand of TMC sheet for high temperature application is used for higher speed craft with lighter part fabricated by SPF/DB technology. This paper illustrated TiBw/TA15+ TMC sheet fabrication and SPF/DB processing property, and analyzed effects of rolling processing on the microstructure and tensile properties. Wide sheet has been fabricated successfully. Forming mechanism of TMC is revealed, which is different from conventional titanium alloy, fined microstructure is unnecessary for TMC, four layers SPF/DB component also can be formed for TMC sheet.
An Analysis of the Effect of the Social Dimensions of CSR on Corporate Image (A Study on Taman Nivea Family Care of PT Beiersdorf Indonesia)
Authors:   Brawijaya University, Prabandari Sri Palupi
Published: June 2023

The implementation of Corporate Social Responsibility (CSR) in Indonesia is stipulated in Article 74 section 4 of Law number 40 of 2007. In addition to fulfilling legal aspect, CSR can be used as a strategy to improve company’s image. The purpose of this quantitative research is to assess the effect of the social dimensions of CSR on corporate image by conducting a study on Taman Nivea Family Care, which is the CSR of PT Beiersdorf Indonesia. The sample of this research was selected using purposive sampling with the criteria of (1) people who live in Greater Malang area (Malang city, Malang regency, or Batu city), (2) people who have visited Taman Nivea Family Care, (3) people who know that Taman Nivea Family Care is the CSR program of PT Beiersdorf Indonesia. This study uses primary data obtained from questionnaires and analyzed using multiple linear regression. This study finds that the social dimensions of CSR, i.e. society, corruption, public policy, anti-competitive behavior, and compliance, significantly influence the corporate image of PT Beiersdorf Indonesia. In general, the social dimensions of CSR have 55% influence on corporate image, while the remaining 45% is influenced by other variables outside the study. This indicates that the implementation of CSR to sustainably support social life is quite relevant to improve corporate image.
Cash For Work Program At Nanga Pamolontian Village In Terms Of Good Enough Governance Perspective
Authors:   Brawijaya University, Jayadiputera Triadi Eka Asi , Sumartono Sumartono , Nuh Muhammad , Sujarwoto Sujarwoto
Published: June 2023

Good governance, which was originally expected to be able to solve problems in developing countries, turned out to meet many obstacles, one of which was the application of the one size fit for all pattern, which was then criticized by Grindle through the concept of Good Enough Governance (GEG). Cash For Work (CFW) Program which is one of the reform programs as an embodiment of good governance that involves community participation as labor. During its journey, the CFW encountered various problems in the field, so it was interesting to see how the CFW program was viewed from the perspective of GEG. This study aims to describe and analyze the characteristics of the arena, institutions and interests as well as actions and choices in the perspective of GEG in the implementation of CFW program in Nanga Pamolontian Village, Bulik District, Lamandau Regency, Central Kalimantan Province. This research method uses a qualitative case study approach. The results of this study are that in the implementation of CFW program they have not paid attention to the elements of GEG, both in the arena, institutions and interests and actions, this is because the agenda setting has not utilized official and unofficial channels to the fullest, related stakeholders such as the mass media and Non-Governmental Organizations, regional apparatus, local village assistants are not fully involved in the implementation of CFW, there are no technical regulations in the implementation of CFW, the Team for Facilitating the Use of Village Funds for CFW is not utilized, evaluation, guidance and supervision have not been carried out, lack of socialization and training for the team implementing activities.
The Effect of Multi Channel Marketing Strategy and Market Logistics toward the Improvement of MSMEs’ (Micro, Small and Medium Enterprises) Sales during Covid-19 Pandemic (Research Study on Food and Drink Accommodation MSME in East Java)
Authors:   Universitas Brawijaya, Endang MG Wi , Rahayu Sri Mangesti , Z.A Zahroh , Nurtjahjono Gunawan Eko , Rokhimakhumullah Dewi Noor Fatikhah
Published: June 2023

MSMEs have a large opportunity for Indonesia state revenue. The momentum of covid 19 pandemic can be used by MSMEs to digitally transform, so they can enter the digital marketplace and become part of national and global supply. MSMEs must be able to adapt to existing business developments and they will be more directed to digital. They no longer playing at a conservative level but must be able to see digital opportunities so that they can target a wider market. This study uses a quantitative analysis that has never been proposed, as well as being the novelty of this research. The sample was taken from MSMEs that had the most impact during the Covid-19 pandemic, which is the business of providing food and beverage accommodation located in the city of Surabaya and the city of Malang. Multi Channel and Market Logistics have a positive and significant impact to increase MSME sales in the Covid-19 Pandemic Era.
Organizational Dimensions of Bawaslu and Policy for Improving Election Implementation Supervision
Authors:   Universitas Sangga Buana Bandung, Sudrajat Tatang , Lestari Sri
Published: June 2023

For Indonesia as a democratic country, the holding of an increasingly high-quality election is a demand and a challenge. For this reason, effective supervision of its implementation is a necessity. A quality election through a policy of increasing oversight of its implementation is a public expectation, so that it contains the public interest. The regulation of the organizational dimensions of the election supervisory body in the laws that regulate it adequately is an important factor for the effective implementation of the supervisory function. Using normative, qualitative and literary juridical methods, it is known that Law Number 17 of 2017 concerning General Elections, which among others regulates the organization of the Election Supervisory Body (Bawaslu) and governance and its derivative regulations are public policies. Several dimensions and elements of the organization have been regulated, namely formalization, hierarchy of authority, specialization, standardization, organizational goals, professionalism, organizational size, and support staff. Some of them have been regulated adequately, and some of them are inadequate. There are some inconsistent, incomplete and ambiguous settings. The regulation regarding Bawaslu in the law shows the existence of policy objectives, policy actors and institutions, policy environment and policy hierarchy.
Security Agencies and Human Right Violations in Nigeria
Authors:   Gombe State University, Nigeria, Bello Matthew Funsho , Mela Keneth
Published: June 2023

It is no news that Nigeria, which is arguably the giant of Africa, is known for human rights violations. From its years of military authoritarianism which witnessed the killing of several human rights activists, and since the return to democratic rule, the country’s human rights narrative has not changed. Government authorities and law enforcement agents (the police) frequently engage in various human rights violations, notably unlawful killings, torture, ill-treatment of no crime suspects, forced evictions, interference with the rights to peaceful assembly and freedom of association, and violence against women and children are widespread across the country. This has created worrisome threats to lives and government seems to be grappling with the situation, hence there is some measure of friction between the activities of security agencies and human right in Nigeria. It is against this backdrop that pertinent questions are asked on how well security agencies could be operated without infringement on fundamental human rights and what are the probable mechanisms that could be adopted by security agencies without abuse of human rights in Nigeria. Answers to these questions instigated this research work. This study exemplified the extent of human rights abuses in Nigerian democratic governance. It equally highlighted causes and the effects of human rights abuses in Nigeria and made recommendations on how to prevent its occurrences in the future. Secondary sources of data thus become the hub of its methodology. The study adopted system theory by Gabriel Almond as its theoretical framework.
The Influence of Destination Image and Islamic Value On Perceived Value and Satisfactin (Survey On Moslem Tourist of Halal Tourism In Banyuwangi)
Authors:   Brawijaya University, Zulaikhah Siti , Wusko Any Urwatul , Kusumawati Andriani
Published: June 2023

In Indonesia, halal tourism started to develop, this is happening because of the increasing number of tourists who are interested in halal tourism. Researchers want to contribute to the field of marketing management, especially those related to halal tourism. Samples from this study were 189 visitors, an accidental sampling technique. The results showed that: Destination Image has a significant effect on Perceived Value, Islamic Value has a significant effect on Perceived Value, Destination Image has no significant effect on Satisfaction, Islamic Value has a significant effect on Satisfaction, Perceived Value has a significant effect on Satisfaction, 2 results from the relationship that is not hypothesized, namely and Destination Image has a significant effect on Satisfaction through Perceived Value, Islamic Value has a significant effect on Satisfaction through Perceived Value.
Los efectos de la centralización fiscal sobre los ciclos económicos en Colombia (1888 – 1920)
Authors: Ramírez Lozada Julián
Published: June 2023

El presente documento analiza la relación de los ciclos económicos y el proceso de centralización llevado a cabo durante la Regeneración y los primeros años de la hegemonía conservadora en Colombia, observando cómo impactaron los ciclos exportadores y los ciclos del producto agregado al proceso de centralización política entre 1888 y 1920. Con este fin se examinan principalmente cuatro aspectos: el contexto histórico, el proceso de centralización, el ciclo económico y las dinámicas del comercio exterior. Este trabajo hace uso de información cuantitativa extraída de fuentes secundarias, manteniendo como eje central la teoría del ciclo económico y las metodologías cuantitativas que permiten calcular mediciones de las tendencias del producto durante el periodo de estudio, con el fin de establecer cuantitativamente las interacciones de las variables económicas observadas entre sí.
Usos y abusos del indio dorado (1514-1549)
Authors: Castro Roldán Andrés
Published: June 2023

Este artículo pone en perspectiva la búsqueda de oro en la conquista de Tierra Firme con el mito del Dorado. Se interesa especialmente en la primera mitad del silgo xvi, cuando tuvieron lugar las exploraciones territoriales más importantes del subcontinente (Perú, Nuevo Reino de Granada), se pusieron en marcha políticas de control migratorio y de exploración y se redactaron las primeras noticias y crónicas de la Conquista de Suramérica.
Onduidelijkheid over de rol van melkvee in de verspreiding van tuberculose bij mensen bevorderde uitroeiing ervan onder runderen
Authors: Devriese L. , De Smet J.
Published: June 2023

Nadat Robert Koch in 1882 stevige bewijzen geleverd had voor de associatie van Mycobacterium tuberculosis met de gevreesde endemische tuberculose (tering, TBC) bij mensen, volgden al snel beschrijvingen van analoge infecties bij allerhande diersoorten. Van meet af aan was het duidelijk dat vooral runderen endemisch geïnfecteerd waren met pathogene mycobacteriën. Koch stelde in zijn eerste beschrijving zelfs dat de verwekker van de typische runder-TBC identisch was aan deze van de meest verspreide mensen-TBC: de longtering. Maar later toonde hij zelf aan dat deze stelling onjuist was: kalveren bleken ongevoelig voor M. tuberculosis, de verwekker van humane TBC. Het door Koch zelf geschapen misverstand bleef echter hardnekkig voortbestaan doordat twee erg gelijkende soorten Mycobacterium tuberculose verwekken bij mensen. Naast de aërogeen van mens tot mens overgedragen M. tuberculosis, verwekker van de typische longtuberculose, bleek immers ook Mycobacterium bovis een rol te spelen. Deze destijds bij runderen zeer algemene oorzaak van tuberculose kan vlot verschillende andere diersoorten infecteren, waaronder de mens. Alles samen genomen werd tot halverwege vorige eeuw besmet rundvee verantwoordelijk bevonden voor circa tien procent van de humane gevallen, wat toch een aanzienlijk aantal slachtoffers vertegenwoordigt. Een grootscheepse en langdurige campagne werd opgezet om runderen te identificeren en verplicht jaarlijks te laten controleren met de zeer betrouwbare tuberculinetest, gebaseerd op een allergische reactie. Tegen vergoeding werden positief bevonden dieren geëlimineerd. Behalve tijdens en kort na WO II namen de percentages positieven gestadig af, zodat bij de Belgische rundveestapel eind jaren zeventig van de vorige eeuw nagenoeg geen TBC meer vastgesteld werd. Sinds 2003 is het land officieel boviene tuberculose-vrij, wat niet belet dat er af toe nog een geval kan voorkomen. Aan het einde van dit artikel wordt kort beschreven hoe de aanpak van rundertuberculose aan de basis lag van de hele latere georganiseerde dierziektebestrijding. Achteraf gezien was het enigszins paradoxaal dat deze ziekte, verantwoordelijk voor slechts een minderheid van de humane infecties, vooral uitgeroeid werd uit vrees voor verspreiding van de ziekte bij mensen.
Monitoreo y fluctuación poblacional de parasitoides del picudo del chile Anthonomus eugenii (Cano, 1894) (Coleoptera: Curculionidae) en una zona productora de Puebla, México
Authors: Espinoza-Castillo Diana Fernanda , Aragón-Sánchez Miguel , Aragón-García Agustín , Rodríguez-Leyva Esteban , Rivera-Landa María del Rosario
Published: June 2023

La plaga más importante en el cultivo de chile es Anthonomus eugenii (Cano, 1894) (Coleoptera: Curculionidae). En México se ha reportado el parasitismo natural de diversos agentes de control sobre el picudo del chile. En este trabajo se describe por primera vez la presencia de los parasitoides Jaliscoa hunteri (Crawford, 1908) (Hymenoptera: Pteromalidae) y Urosigalphus sp. (Hymenoptera: Braconidae) en el estado de Puebla, con un porcentaje de parasitismo del 1.3 % y 3.7 %, respectivamente. Además, se determinó que la fluctuación poblacional de estos enemigos naturales coincidió con la mayor población de A. eugenii, por lo que estos parasitoides pueden ser considerados una alternativa para el control biológico de la plaga.
Выращивание монокристаллов β-Ga-=SUB=-2-=/SUB=-O-=SUB=-3-=/SUB=- раствор-расплавным методом
Authors: Кицай А.А. , Носов Ю.Г. , Чикиряка А.В. , Николаев В.И.
Published: June 2023

Исследованы режимы выращивания кристаллов Ga2O3 из раствора оксида галлия в расплаве MoO3 в процессе выпаривания MoO3 при температуре 1050oC. Показано, что при этой температуре кристаллическая фаза Ga2O3 находится в равновесии с расплавом MoO3. В результате экспериментов получены монокристаллы β-Ga2O3 размером до 1.5 mm в поперечном сечении. Состав и структура кристаллов изучены методами рентгеновской дифракции и электронной микроскопии. Ключевые слова: оксид галлия, рост кристаллов, широкозонный полупроводник.
Исследование разогрева кварцевых волоконных световодов с металлической спиралью проходящим по сердцевине лазерным излучением
Authors: Храмов И.О. , Рябушкин О.А.
Published: June 2023

The thermo-optical properties of passive silica optical fibers with a metal spiral applied on their lateral polymer surface are investigated. It is shown that the heating of these optical fibers by transmitted laser radiation due to microbending losses causes a change in their temperature and electrical resistance of the metal spiral. Based on this, a simple method for measuring and real-time monitoring the output power of fiber lasers is proposed.
Масс-спектрометрический контроль процесса очистки и дегазации защитных графитовых плиток токамака Глобус-М2
Authors: Аруев Н.Н. , Новохацкий А.Н. , Романов П.А. , Сахаров Н.В. , Филиппов С.В. , Щёголев П.Б.
Published: June 2023

Using a specially designed time-of-flight mass reflectron with a heating element inside the device, which makes it possible to heat solid samples and analyze the gases released from them, protective graphite tiles covering almost the entire plasma-facing surface of the Globus-M2 tokamak vacuum chamber were studied. Mass spectrometric analysis made it possible to determine the composition of the released gases to estimate their quantities, and thus to quantitatively characterize the quality of cleaning and degassing of tiles. It is shown that as a result of the applied method for processing tiles, the content of the light hydrogen isotope - protium, water, carbon monoxide and dioxide decreased several times, and the content of deuterium and helium isotopes decreased almost to zero.
Исследование галогенидов натрия и меди методом мессбауэровской спектроскопии на изотопе -=SUP=-67-=/SUP=-Zn
Authors: Марченко А.В. , Теруков Е.И. , Насрединов Ф.С. , Киселев В.С. , Серегин П.П.
Published: June 2023

The central shifts of the emission Mössbauer spectra on 67Cu(67Zn) impurity atoms in the crystal lattices of sodium and copper halides are determined, the relativistic Doppler shifts of the spectra are calculated, and, as a result, isomeric shifts are obtained, which are compared with the nature of the chemical bonding of zinc atoms with halogen atoms in the studied crystals. The values of the quadrupole interaction constants for impurity zinc centers in sodium halides are consistent with the results of calculating these values within the framework of the ionic model.
SİLİKON YAĞI AKIŞKANININ FARKLI ORTAM SICAKLIKLARINDA YÜZEY GERİLİMLİ KONVEKSİYON AKIŞ HAREKETLERİNİN İNCELENMESİ
Authors: KATI SUNAY Ela , SELVER Ramazan
Published: June 2023

Hayatımızın hemen hemen her alanında kullandığımız elektronik ürünlerin ana maddesi, yarı iletken adı verilen malzemelerdir. Bu nedenle yarı-iletkenlerin üretim kalitesi önem arz etmektedir. Yüzey gerilimli konveksiyon ile elde edilen kristalin yapısı; yarı iletkenler için en mükemmel kristal yapıdır. Yapmış olduğumuz çalışmada; 5 cSt kinematik viskoziteye sahip silikon akışkanı kullanılarak, dikdörtgen kap konfigürasyonu içerisinde yüzey gerilimli konveksiyon hareketi oluşturulmuştur. Bu yüzey gerilimli konveksiyon hareketi içerisinde yerçekimi vektörü nedeniyle oluşan doğal konveksiyonun etkilerini incelemek amacıyla 2 farklı ortam sıcaklığı ve iki farklı yerçekimi değeri (1g ve mikro yerçekimi değerlerinde) kullanılarak 4 ayrı numerik çözüm gerçekleştirilmiş ve bu çözümler içerisinde oluşan akım çizgileri incelenerek bir birleriyle karşılaştırılmıştır. Farklı ortam sıcaklıkları ve farklı yerçekimi vektörü şartlarında meydana gelen kombinasyonlar için gerçekleşen iki boyutlu konfigürasyonlar içerisinde, yüzey gerilim konveksiyonu yapan akışkanların akım hatlarında ve eşsıcaklık eğrilerinde farklılıkların meydana geldiği görülmüştür. Ortam sıcaklığı yükseldikçe tek hücreli vortex konveksiyonundan çift hücreli vortex konveksiyonuna geçiş eğilimi olduğu görülmüştür.
EVALUATION OF NOISE ON RING SPINNING MACHINES
Authors: KODALOĞLU Murat , AKARSLAN KODALOĞLU Feyza
Published: June 2023

The ring spinning system is a system that continuously spins yarn and winds bobbins. This yarn, after leaving the delivery rollers, takes the twist of the rotating spindle and traveler, and is wound onto the bobbin, which goes as overlapping on the spindle. The degree of weight in the spinning mills increases. On top of that, one of the reasons is working at its higher speeds to improve the production rates in the production process in a competitive environment of development. The evaluation and evaluation of speed balance almost as a whole is increasing, and in the evaluation of more energy in sound. assessment does not qualify as a problem of poor human health and condition in many countries. It is at a level to serve people. “Production rather than production consists of elements freed from the emergence of high-level indicators. Fuzzy logic can be developed by tool from tool pilots with predictive and general applicability to the planning of aircraft by human being difficult to craft. In this model, the appropriate gear wheel on the appropriate type gear wheels.
ELVERİŞSİZ YÜKLEME DURUMLARINDA TEKİL TEMELLERDE MEYDANA GELEN FARKLI OTURMALARIN ÜST YAPIYA ETKİLERİ
Authors: KAYMAK Burak , ÖĞE Mehtap , DAĞDEVİREN Uğur
Published: June 2023

Mühendislik yapılarında, üst yapıdan gelen yükler temeller aracılığıyla zemine aktarılmaktadır. Diğer mühendislik yapılarında olduğu gibi temellerin tasarımında da güvenlik ve ekonomi en önemli tasarım kriterleridir. Günümüzde özellikle sanayi tipi yapıların temel sistemi olarak tekil temeller tercih edilebilmektedir. Tekil temellerin en önemli dezavantajı olan farklı oturmalar, üst yapıda ilave zorlamalara neden olmaktadır. Üst yapı tasarımlarının en elverişsiz yükleme koşullarına göre yapılıyor olmasına rağmen, uygulamada kullanılan yük birleşimlerinde farklı oturmalardan kaynaklanan yük etkilerinin genellikle dikkate alınmadığı gözlenmektedir. Bu çalışmada, iki örnek sanayi yapısı modeli oluşturulmuş ve kirişler üzerindeki elverişsiz hareketli yükleme durumları için tekil temellerde oluşan en büyük ve farklı oturmalar belirlenmiştir. Farklı yük birleşimlerine ilave olarak bu farklı oturmaların da kirişlerde kritik eğilme momentlerine etkisi deplasman metodu kullanılarak incelenmiştir. Çalışma sonunda, farklı oturmaların üst yapıda ihmal edilemeyecek büyüklükte eğilme momentlerine sebep olabileceği tespit edilmiştir. Tekil temeller gibi farklı oturmaları kendi içinde tolere edemeyen yapıların tasarımında, oluşacak farklı oturmaların da yük birleşimlerinde mutlaka dikkate alınması gerektiği anlaşılmaktadır.
MISIR PÜSKÜLÜ TOZU İLE ZENGİNLEŞTİRİLMİŞ GLUTENSİZ ERİŞTE ÜRETİMİ
Authors: ODABAŞ Eylem , ÇAKMAK Hülya
Published: June 2023

Besinsel lifler, yüksek oranda nişasta dışı polisakkaritlerden oluşmakta olup, çözünmez fraksiyonları kolesterolü düşürmeye yardımcı olurken, çözünür fraksiyonları sindirim sistemi sağlığının korunmasına yardımcı olur. Glutensiz ürünlerde besinsel lif içeriğinin çoğunlukla nişasta kullanımına bağlı olarak düşük olduğu görülmektedir. Bu çalışmada, %60 oranında ısıl işlem görmüş (ISU) veya ısıl işlem görmemiş (SU) sarı mercimek unu ile pirinç unu ve patates nişastası içeren yüksek protein içeriğine sahip glutensiz eriştelere, %0.5-1.-2.5-5. (toplam un karışımı temelinde) oranlarda mısır püskülü tozu (MT) eklenerek üretilen glutensiz eriştelerin besinsel lif içeriği artırılmak istenmiştir.
SMT (ısıl işlem görmemiş mercimek unundan üretilen) eriştelerinde MT’nin artan oranlarda ilavesi kül içeriğinde önemli bir fark yaratmazken (p>0.05), ISMT (ısıl işlem görmüş mercimek unundan üretilen) eriştelerinde MT’nin %5 kullanılması kül içeriğinde kontrol örneğine kıyasla önemli düzeyde artışa yol açmıştır (p<0.05). SMT ve ISMT eriştelerinde artan oranda MT ile toplam besinsel lif (TBL) içeriği önemli düzeyde artmıştır (p<0.05). Ayrıca MT ile zenginleştirilen ISU eriştelerinin, SU eriştelerine göre daha yüksek TBL içeriğine sahip olduğu belirlenmiştir. MT ile zenginleştirilen glutensiz erişte örneklerinde, MT’nin artan oranlarda ilavesi, SMT eriştelerinde pişme kaybının azalmasını sağlarken, ISMT eriştelerinde artışa neden olmuştur (p<0.05). Ayrıca SMT ve ISMT eriştelerinde MT’nin artışı pişme süresinin uzamasına yol açarken, parlaklık ve sarılık değerini önemli düzeyde azaltmıştır (p<0.05).
GEOLOGICAL CHARACTERISTICS OF BOLKARDAĞI BAUXITE DEPOSITS IN AYRANCI, THE TAURUS MOUNTAIN, TURKEY
Authors: YALCIN Mustafa Gurhan
Published: June 2023

The aim of this study is to determine the stratigraphic position of the bauxite deposits in the Ayrancı region, where the most important bauxite mineralization of the Bolkardağı region is located. In this context, the age of bauxite will be determined by determining the erosion surface associated with stratigraphic features during the formation of bauxite and the age of bauxite according to its side rocks. In the region, there are Permian-Cretaceous aged rocks belonging to the Bolkardağı Union, one of the main tectonic units forming the Central Taurus Mountains. Miocene units covering these rocks are surfaced in the study area. Karamanoglu ophiolite and older units are uncomfortably covered by Miocene aged Mazı and Divlek formations. Bauxite deposits are clearly seen in the Upper Permian aged Dedeköy formation. According to the field studies, the bauxites were formed in the Late Triassic - Early Jurassic interval, on the Upper Permian aged carbonate rocks and Lower Triassic aged shale - sandstone - limestone units and then deposited in caves and dolines within the carbonate rocks. The fact that bauxites are located above dolomites and below, within and above limestones is thought to be due to the different behavior of carbonate rocks.
SOĞUK HAVA DEPOLARININ TALEP BAZLI YER SEÇİMİ YAKLAŞIMINDA KÜTLE DENGELİ ERİŞEBİLİRLİK MODELİ: İZMİR ÖRNEĞİ
Authors: GÖKA Kemal Yasin , GÜLHAN Görkem , POLAT Olcay
Published: June 2023

Isıya duyarlı ürünlerin üretimi ve tüketimi arasındaki sürenin uzaması halinde duraklı bir zincir lojistik yapısına ihtiyaç duyulur. Bu yapı genel olarak üretim-taşıma-depolama-taşıma-tüketim şeklinde gerçekleşen zincirde soğuk hava depolarının ara durak düğümlerini üstlendiği sistemlerdir. İki taşıma süreci arasında kalan bir tesisin bulunduğu konum dolayısı ile taşıma maliyetlerini, ürün tazeliğini, ulaşım süresini, erişebilirliği doğrudan etkilemektedir. Soğuk hava depolarının mekansal planlamaları genellikle mikro ölçekte üretim ve tüketim bölgelerinin arasında bulunan ve çeşitli çevresel dinamikler nedeniyle seçilen bir konumdan oluşmaktadır. Ancak bu dinamikler arasında trafik bazlı erişilebilirlik ve talep dengesini sağlayan bütünsel bir çerçevenin eksikliği problemi seyahat süresi ve talep dalgalanmalarının gerçekçiliğinden uzaklaştırabilmektedir. Bu çalışmada gıda taşımacılığında soğuk zincir verimliliğini artırmak amacıyla İzmir Sürdürülebilir Kentsel Lojistik Planı kapsamında gerçekleştirilen trafik ataması verilerinden yararlanılmıştır. Soğuk hava depoları yer seçim kriterlerinde trafik bazlı erişilebilirlik ve talep ölçütleri kullanılarak stratejik yer seçimi yaklaşımı önerilmiştir. Bu yaklaşım ürün ve taşıma türlerinden oluşturulan koridorlarda tampon bölgelerin belirlenmesi ile elde edilmiştir.
MODELING OF IOT-BASED ADDITIVE MANUFACTURING MACHINE’S DIGITAL TWIN FOR ERROR DETECTION
Authors: DUMAN Burhan , SÜZEN Ahmet Ali
Published: June 2023

Additive Manufacturing technology is one of the technologies that is changing the manufacturing industry. It has revealed some advantages over traditional manufacturing methods with this technology. With the advancement of information technologies, new approaches focusing on cost and improvement have begun to be adopted in the manufacturing industry. One such method is digital twin technology. A digital twin is frequently referred to as a digital replication of a physical system. Digital twins provide data and models to support the operation of design and manufacturing processes, as well as troubleshooting, diagnostics, and problem-solving. Various sensors are required to monitor the status of physical systems and transfer data to digital systems. Some of these Internet of Things-compatible sensors are already in production machines, but others can be added later. In the study, an Internet of Things-based system was proposed for the creation of digital twins using a virtual environment, and a digital twin simulation was created in order to bring the benefits of digitalization to production systems. The digital twin is modeled in the Matlab Simulink environment to perform binary classification to detect abnormal physical conditions that have the potential to disrupt the operation of the additive manufacturing machine and affect the quality of the manufacturing part. By generating a digital twin from real machine data, the proposed system will be able to detect errors.
Khảo sát sự phân bố lực từ trong động cơ từ trở chuyển mạch mới
Authors: Phí Hoàng Nhã , Đỗ Thái Công
Published: June 2023

Sự phân bố lực từ ảnh hưởng không nhỏ tới đặc tính làm việc của các thiết bị điện từ, nhất là trong động cơ từ trở chuyển mạch. Lực từ phân bố này quyết định đến mô men và hiệu suất của động cơ. Việc kiểm tra sự phân bố từ cũng như lực từ là vấn đề khoa học cần thiết. Do đó, hai mô hình từ gồm mô hình Ampere và mô hình dựa trên nguyên lý công ảo được dùng để phân tích, tính toán lực từ phân bố trong động cơ từ trở chuyển mạch được trình bày trong bài báo này. Hơn nữa, động cơ từ trở chuyển mạch có cấu trúc mới cũng được đưa ra để đánh giá, so sánh sự phân bố lực từ với cấu trúc động cơ từ trở chuyển mạch nguyên mẫu. Kết quả khảo sát cho thấy lực từ được phân bố theo hai mô hình là tương đương nhau và lực từ phân bố trên cấu trúc động cơ từ trở chuyển mạch mới được cải thiện hơn so với cấu trúc động cơ nguyên mẫu.
Education Acts and Regulations for School Education of Nepal: An Analysis from Governance Perspective
Authors: Bhattarai Atma Ram
Published: June 2023

This essay was prepared to critically analyze the existing laws related to school education from the perspective of educational governance. The essay reflects that the education acts and regulations are responsive to reflect educational governance but that is not reflected as per the educational structure although they were amended after the federal structure. On the other hand, it is being very delay to bring the new Education Act and Regulations responding to the Constitution of Nepal because Nepal is practicing federal structure from last six years. Therefore, the article revealed the need for a new education law as mandated by the constitution and the federal system promoting educational governance.
HIBISCUS LEAF MUCILAGE AS STABILISER FOR PHARMACEUTICAL DISPERSE SYSTEMS
Authors: Ash Dipanjana , Ghosh Priyanka , Biswas Masjee Sutapa , Roy Biswas Gopa
Published: June 2023

Objective: Stable pharmaceutical disperse systems are defined as heterogeneous, biphasic systems as suspensions and emulsions, stabilized by third agent or stabilizer. The aim of the present investigation was to extract mucilage from the leaves of Hibiscus rosa-sinesnsis L. and explore its ability to function as stabiliser for adult (10%w/v) and paediatric (2.4%w/v) paracetamol (PCM) suspensions and 2% v/v sunflower oil emulsions.
Methods: Isolated mucilage powder was subjected to phytochemical tests to identify the major phytochemical constituents, FTIR spectroscopy to establish compatibility with formulation ingredients, X-ray diffractometry to determine the crystalline nature and viscosity study by Ostwald viscometer and swelling behaviour in water to determine the swelling index.
Results: Qualitative phytochemical screening of the mucilage (HM) revealed the presence of non-reducing sugars, gums and mucilage. HM possesses a highly amorphous structure with extremely low overall crystallinity. The mucilage belongs to the class of carbohydrate as it contains–OH groups with intermolecular hydrogen bonding, with 1→4 glycosidic bonds which accounts for its high hydration capacity. Swelling index and relative viscosity of 0.5% w/v mucilage in water was found to be 1050 and 4.84 respectively at 25 °C. Although adult PCM suspensions containing 4% w/v mucilage exhibited poor redispersibility, paediatric suspension containing 1 and 2% w/v mucilage showed gradual settling of particles with good re-dispersibility and flowability. Emulsion activity index (EAI) values of the three emulsions (0.5, 0.75 and 1%w/v HM) were found to be close to 2 g. m-1 ml-1suggesting concentration independent activity of HM as an emulsifier. Emulsion stability index (ESI) values at 72 h showed comparatively less stability with increasing concentration of mucilage probably due to polysaccharide chain overlapping at high concentration leading to less effective surface coverage per unit gum concentration.
Conclusion: Therefore, hibiscus leaf mucilage has the capacity to stabilize a suspension or emulsion based on its capacity to adsorb onto solid or liquid interfaces.
Историческая фонетика бурятского языка в русскоязычной документации XVII в. (к постановке проблемы). Часть 1
Authors:   Institute for Mongolian, Buddhist and Tibetan Studies, Siberian Branch of the RAS (6, Sakhyanova St., 670047 Ulan-Ude, Russian Federation), Tishin Vladimir V. , Nanzatov Bair Z. ,   Banzarov Buryat State University, Institute of Oriental Studies, Department of Central Asia Philology (24A, Smolin St., 670000 Ulan-Ude, Russian Federation)
Published: June 2023

Introduction. It is in the mid-to-late 18th century at latest that the main phonetic characteristics of Buryat that distinguish the latter from other Mongolic languages — reflected in its western and eastern dialects — took shape. The initial period that had witnessed the formation of these specific elements still remains somewhat unclear. The paper analyzes authentic sources and attempts to show a possibility that the areal phonetic features of Buryat emerged within local population groups of Baikalia as far back as the early-to-mid 17th century. Goals. The article analyzes ethnonyms (and other onyms) relating to the Buryat population and recorded in seventeenth-century Russian-language documents to identify spelling (pronunciation) specificities characteristic of Buryat dialects. Materials and methods. Part One of the study deals with discussions over some general chronology of phonetic changes that have resulted in the shaping of Buryat, and distinguish the latter from other Mongolic languages. The paper examines major related works, analyzes methods and approaches employed by the researchers. Results. Our insights into scholarly publications conclude there is no compromise view on the lower chronological limit that would serve as terminus a quo for Buryat phonetic features. According to some researchers, key processes that fundamentally rebuilt the Buryat consonant system had begun in the 17th century and proceeded to completion by the early 18th century, while others insist those had emerged only in the late 17th century to culminate throughout the 18th century. Conclusions. Scholars that have dealt with Buryat phonetics tended to focus on eighteenth-century linguistic materials and rarely turned to other sources, such as Russian loanwords in Buryat, Mongolian loanwords in Evenki and Yakut, chronological attributions of the latter be further explored in historical contexts of phonetic systems of recipient languages, with due account for actual circumstances of interaction with native speakers of Mongolic languages. The absence of original written sources shall definitely leave these questions unanswered. So, historical linguistics can independently serve as a promising tool for such historical reconstructions.
О «Каталоге книгам рукописным, употребляемым правоверными ойратами» Г. С. Лыткина
Authors:   Kalmyk Scientific Center of the RAS (8, Ilishkin Str., 358000 Elista, Russian Federation), Doleeva Aisa O.
Published: June 2023

Introduction. Oirat-language (Clear Script) sources have been cataloguized by A. G. Sazykin, V. L. Uspensky, N. S. Yakhontova, K. V. Orlova, D. N. Muzraeva, and others. The Mongolian Collection of the Gorky Scientific Library at St. Petersburg University is a most significant set of Clear Script books and manuscripts. Oirat manuscripts were delivered mainly from Kalmyk-inhabited steppes through the efforts of A. V. Popov, K. F. Golstunsky, A. M. Pozdneev, G. S. Lytkin who would repeatedly arrive in pursuit of scholarly research — to record folklore narratives and collect manuscripts. Goals. The article aims to introduce into scientific circulation a catalog of Oirat manuscripts compiled by G. S. Lytkin (1859–1860) and stored at the Gorky Scientific Library of St. Petersburg University, and attempts to trace correlations between the mentioned list and V. L. Uspensky’s catalogue of Mongolian manuscripts and woodcuts. Materials. The study deals with a total of nineteen Oirat-language sources supplemented with explanations and notes of the compiler. Results. The catalogue of G. S. Lytkin presents both canonical works, including ones translated by Ven. Zaya Pandita, and didactic, narrative, and ritual texts. The study reveals that V. L. Uspensky identifies no collection affiliation for some manuscripts included in G. S. Lytkin’s catalogue, while others are attributed by the former to collections of K. F. Golstunsky, A.V. Popov, A. M. Pozdneev, and Stepanov.
Implementación de las normas internacionales de información financiera (NIIF) para las pequeñas y medianas empresas (Pymes) en Colombia
Authors: Vergara Arrieta José Julio , Puerta Guardo Fabio Andrés , Huertas Cardozo Netty Consuelo
Published: June 2023

El presente trabajo analizó los impactos de la implementación de las NIIF Pymes en 17 indicadores financieros de 16,217 empresas colombianas, pertenecientes a 18 sectores económicos. La literatura evidencia estudios de caso que explican los impactos de la implementación de las NIIF, pero este documento va más allá analizando los indicadores financieros calculados con información financiera preparada bajo los principios de contabilidad generalmente aceptados locales como bajo NIIF Pymes, lo cual representa un valor agregado. Se calculó la diferencia de medias con la prueba U de Mann-Whitney tomando como variable independiente la norma contable aplicada y como variables dependientes los 17 indicadores financieros, para determinar la existencia de diferencias estadísticamente significativas entre los mismos. Los resultados fueron disimiles, no pudiéndose evidenciar impactos en grupos de indicadores o sectores económicos, no obstante, sobresalen los sectores Inmobiliarias y Financiero, y el indicador capital de trabajo neto operativo con mayores hallazgos.
Contribución de la IED en la reducción de la pobreza en México
Authors: Chiatchoua Cesaire , Neme Castillo Omar , Valderrama Santibañez Ana Lilia
Published: June 2023

El documento identifica el efecto de la IED en la reducción de la pobreza a nivel estatal en México en el periodo 2010-2018, mediante un modelo de datos de panel siguiendo la metodología sys-GMM. El modelo estimado incluye variables convencionalmente empleadas en la literatura que se agrupan en cuatro categorías: productivos y globalización, políticos, gasto público y de infraestructura. Se observan efectos diferenciados en la pobreza dependiendo de la variable proxy de pobreza utilizada. Se encuentra que la IED tiende a disminuir la pobreza moderada, pero incrementa la pobreza extrema. Esta distinción introduce un elemento adicional a la discusión actual sobre el rol de la IED. En cuanto al efecto de los otros factores sobre la reducción de la pobreza se tiene que las remesas y el empleo eventual disminuyen la pobreza total, el gasto público la pobreza moderada, las participaciones y aportaciones no muestran patrón claro, el Programa Prospera tiende a aumentar la pobreza extrema al igual que la corrupción y la especialización productiva en el sector primario. La densidad carretera reduce la pobreza, pero la corrupción la incrementa. Se concluye que el modelo económico se caracteriza por atraer IED que reduce la pobreza moderada, pero que genera pobreza extrema en aquellos excluidos de los beneficios de la IED.
Spillover de volatilidad entre el mercado de las criptomonedas, los mercados financieros y commodities
Authors: Muñoz Henríquez Erik Mauricio , Gálvez Gamboa Francisco Andrés
Published: June 2023

El objetivo de este trabajo es analizar el efecto spillover entre el mercado de las criptomonedas, los mercados financieros y commodities, utilizando índices de volatilidad realizada de las diez criptomonedas con mayor capitalización de mercado y la volatilidad implícita de las cotizaciones del Oro (GVZ) y el Petróleo (OVX), y el mercado financiero norteamericano (VIX) y europeo (VSTOXX) a través del Spillover Index basado en un Vector Autorregresivo (VAR). Los resultados indican que Ethereum es el mayor transmisor de volatilidad, seguido por Cardamo, mientras que los mayores receptores de volatilidad son ChainLink y BinanceCoin. Además, demostramos a través de la utilización de la volatilidad implícita que la contribución de los mercados financieros al spillover no excede el 3%, incluso resultados menores se evidencian con ambos commodities. El análisis de impulso-respuesta muestra el mayor efecto sobre las criptomonedas proviene del VIX, junto con una respuesta negativa ante un shock en el OVX y GVZ.
El tipo de cambio y el precio del petróleo: un análisis para la economía mexicana
Authors: Lechuga Montenegro Jesús , Vega Miranda Faustino , Valdés Iglesias Edson
Published: June 2023

En esta investigación se indagan los determinantes del tipo de cambio mexicano en el periodo 1994-2021, poniendo énfasis en la relación entre esta variable y el precio de la mezcla mexicana de petróleo. Por medio de un modelo econométrico ADRL con corrección de errores, la evidencia empírica sugiere la existencia de una relación inversa y de largo plazo entre el tipo de cambio y el precio de petróleo. Los resultados de la investigación coinciden con el estado del arte de la literatura contemporánea especializada, la cual resalta el papel de la variabilidad del tipo de cambio en las economías desarrolladas y en vías de desarrollo. En el caso de México, la volatilidad del precio de las divisas se ha desprendido en buena medida de las fluctuaciones del precio del petróleo; esto por cuanto se asume que la despetrolización observada en el periodo de estudio tuvo un impacto determinante en la composición de las exportaciones y en el ingreso público
Analyzing the Performance of Machine Learning Models in Music Genre Classification
Authors: Sharma Lakshay
Published: June 2023

Abstract: Music genre classification is a fundamental task in the field of music information retrieval (MIR) and has gained significant attention in recent years due to the rapid growth of digital music collections. This research paper presents a comprehensive review of the application of machine learning techniques for music genre classification. We explore various methodologies, feature extraction techniques, and classification algorithms used in the domain, highlighting their strengths, limitations, and recent advancements. The objective of this paper is to provide researchers and practitioners with a comprehensive understanding of the current state-of- the-art approaches, challenges, and future directions in music genre classification using machine learning.