bluuebunny/crossref_metadata_2025 huggingface dataset:
Influence of the Sintering Temperature of Zinc Oxide Powder on the Varistor Properties of Structures Based on It
Authors:   Penza State University, Penza, 440026, Russian Federation, Filippov I.A. , Pronin I.A. ,   Penza State University, Penza, 440026, Russian Federation, Kitaev A.S. ,   Penza State University, Penza, 440026, Russian Federation
Published: December 2022

The manufacture of varistors by chemical synthesis is a promising scientific direction. Among the methods of chemical synthesis, the sol-gel method stands out especially, it has an advantage over the classical method due to a more homogenous distribution of ZnO grains and does not require high sintering temperature, moreover, unlike most chemical synthesis methods, it is much cheaper and environmentally friendly. The main purpose of this work is the synthesis of ZnO powder by the sol-gel method, followed by the manufacture of varistor structures and the study of the dependence of their parameters on the sintering temperature and operating temperature. During the work, ZnO powder was synthesized by the sol-gel method, with further fabrication of varistor structures, at sintering temperatures of 1000 °C and 1100 °C. The structure of instrumental samples was studied by scanning electron microscopy, and the current-voltage characteristics were also measured in the temperature range of 20—200 °C. The non-linearity coefficients of the current-voltage characteristic at 20 °C and the temperature coefficient of resistance were calculated. Thus, for the sample sintered at 1000 °C, the coefficient of non-linearity was 1.973 and the temperature coefficient of resistance was 0.649, and for the sample which was sintered at 1100 °C, the coefficient of non-linearity was 1.142 and the temperature coefficient of resistance was 1.0428. These results which were obtained during the work allow us to speak about an increasing in the degree of development of interfaces with the increase in the sintering temperature in turn.
Kritik Altyapıların Yabancı Literatüründeki Görünümü: Bir Bibliyometrik Analiz
Authors: Lekesizgöz Kaya Ali
Published: December 2022

Bu çalışmada “kritik altyapı” kavramının analitik ve sistematik olarak yıllar içerisinde nasıl bir gelişim gösterdiği incelenerek konu üzerinde çalışma yapmak isteyen araştırmacılara, politika belirleyicilere, kurum ve kuruluşlara makro bakış açısıyla bir izdüşümün sunulması amaçlanmıştır. Türkçe literatüre nazaran yabancı literatürde “kritik altyapı” kavramına ilişkin yapılan akademik çalışmalar ilerlemiş durumdadır. Bu çalışma kavrama yönelik yayın türleri, yıllara göre eğilim, ilgili bilim dalları, yazarlar, kurum, ülke iş birlikleri, atıf ve anahtar kelime durumuna göre dağılım nasıl bir değişkenlik göstermektedir? araştırma sorularına cevap aramaktadır. Elde edilen bulgularla bir tipoloji ortaya konması amaçlanmış ve gelecek araştırmalara temel olması hedeflenmiştir. Çalışmada Bibliyografik Eşleştirme ve Ortak Atıflara dayalı görsel ve bilimsel haritalama yöntemi kullanılmıştır. Analiz birimi olarak Web of Science (WoS) veri tabanından 1996-2022 (Eylül) dönemini kapsayan 4.227 İngilizce makale seçilmiştir. Elde edilen veriler ışığında VOSviewer yazılımı ile ağ ve yoğunluk grafikleri oluşturularak yorumlanmıştır.
Occupational risk factors for health disorders in dairy production (review)
Authors: Aleshina Yuliya A. , Novikova Tamara A. , Lutsevich Igor N. , Baregamyan Lilit A.
Published: December 2022

In the context of modern challenges and threats of Russian Federation food security, minimizing the occupational risk to the health of workers in the production of food products becomes more important. A descriptive review of the sources of scientific information contained in Russian and international search systems (eLIBRARY.ru, RSCI, CyberLeninka, Google Scholar, PubMed) from 2003 till 2021 was conducted. The review comprises of original articles on quantitative observational studies including the challenges faced for the study. With more than 100 sources that have been analyzed, the work highlights information from 35 publications that predominantly reflects the search problem.
It has been established that working conditions in the production of dairy products are characterized by a multifactorial negative impact on workers, the main adverse factors are namely, production noise, extreme low or high air temperature, insufficient lighting, air pollution of the working area with harmful chemicals and dust, and physical overload. The impact of harmful working conditions causes an overstrain of the functional systems of the body of workers that is manifested as diminished working capacity in the dynamics of the work shift and health disorders. During periodic medical examinations, workers were diagnosed with diseases of the circulatory system, respiratory organs, nervous, musculoskeletal systems, and connective tissue, diseases of the ear and mastoid process, and pathologies of the reproductive system.
The results of the review indicate the urgency for further comprehensive studies of quantitative indicators of risk factors and patterns of their impact on the health of workers, the results of which can form the basis for the development of reasonable prevention measures.
In memory of Anton Vitalievich Nemilov (1879–1942)
Authors: Ivanov Aleksandr V. , Nikishina Nina A. , Zatolokina Mariya A. , Avdeeva Ekaterina Yu.
Published: December 2022

The article is devoted to a brief scientific biography of the world-famous Soviet histologist, professor Anton Vitalievich Nemilov, a student of the Russian histologist and embryologist Alexander Stanislavovich Dogel.
This article aims to clarify the contribution of prof. A.V. Nemilov to the largest scientific areas of research in biology in the first half of the 20th century and in the formation of knowledge in biology, which has become axiomatic by now, and demonstrate its role in solving the problems in practical biology.
This work used materials from the Central State Archive of St. Petersburg and the Museum of Kursk State Medical University.
Professor A.V. Nemilov contributed to neuromorphology, histophysiology, and endocrine gland histology, as well as to the methodology and methods of histology teaching in the history of Leningrad State University and Leningrad Agricultural Institute.
Professor A.V. Nemilov, as one of the leaders of Leningrad State University, participated in the defense of the besieged Leningrad in 19411942.
The results of the scientific studies of the students of professor A.V. Nemilov contributed to scientific morphological research, the methodology of histology teaching, the organization of the countrys higher education system, and the preservation of the heritage and memory of their teacher.
The use of L-dopa induces the resistance of Mauthner neurons to the neurotoxic action of beta-amyloid
Authors: Tiras Nadezhda R. , Mikheeva Irina B. , Mikhailova Gulnara Z. , Penkova Nadezhda A. , Khutsyan Sergey S.
Published: December 2022

BACKGROUND: Mauthner goldfish (Carassius auratus (L)) cells serve as model objects for studying brain pathologies at the level of identified neurons and their individual dendrites. L-dopa may be an agent that decelerates the destruction of neurons caused by the toxic effects of beta-amyloid.
AIMS: To study the three-dimensional structure of Mauthner neurons in goldfish and the ultrastructure of their afferent synapses under the influence of L-dopa and the toxic 2535 fragment of beta-amyloid.
MATERIAL AND METHODS: This study was performed on the Mauthner neurons of goldfish fry (n=12) by using light and electron microscopy. Serial sections 3 m thick were used to identify and integrally reconstruct the structure of Mauthner neurons; determine the volume of the soma and ventral and lateral dendrites; and study the structure of afferent synapses.
RESULTS: The use of L-dopa stabilized the size of the soma and ventral dendrites. The reduction in the volume of lateral dendrites was accompanied either by an increase in the volume of their branches under the action of beta-amyloid followed by that of L-dopa or by an increase in the volume of medial dendrites under the action of L-dopa followed by that of beta-amyloid. Although pathological changes in the ultrastructure of neurons and afferent synapses were not found, signs of early amyloidosis were detected.
CONCLUSION: The use of L-dopa decelerates the degeneration of Mauthner neurons. The resistance of whole neurons to the neurotoxic action of beta-amyloid has been suggested to be due to the mechanism of structural homeostasis aiming at the compensatory restoration of the morphological organization of neurons.
Development of an Air Electric Compressor for a No-Bleed Environmental Control System of an Advanced Regional Aircraft
Authors: Tishchenko Igor V. , Chizhikov Vladimir E. , Tsarkov Igor A. , Likhachev Igor V. , Moroshkin Yaroslav V. , Ovdienko Maxim A. , Merkulov Vladislav I.
Published: December 2022

BACKGROUND: Aircraft designers strive to increase the fuel efficiency of aircrafts, including increasing the efficiency of aviation environmental control systems (ECS) by introducing an autonomous source of compressed air with an electric drive as part of aircraft.
AIM: The present paper aimed to consideration of the results of research work (RD) of the technologies demonstrator for the electric compressor of the aircraft electric ECS and estimation of the performance and compliance of the simulated and experimental characteristics of this electric compressor.
MATERIALS AND METHODS: Comparison of the simulated and experimental characteristics of the electric compressor of the electric ECS of the aircraft was carried out by confirming the compliance of the operating parameters of the technologies demonstrator for the electric compressor with those specified in the request for proposals (RFP), and by comparing the simulated and experimental values of the compression ratio of the compressor stage, isentropic coefficient of performance (COP), obtained during RD study.
RESULTS: Information about the technical characteristics and design of the electric compressor is given and discussed. A comparative analysis of the presented simulated and experimental characteristics of the electric compressor has been carried out.
CONCLUSIONS: Conclusions are drawn on the compliance of the compressor characteristics with the characteristics specified in the RFP; on the achieved level of readiness of the technology of the electric compressor for the electric ECS of the aircraft, on the need for experimental design work on the electric compressor, taking account of external influencing factors typical for an application as part of aviation equipment.
How The Internet Should Be Regulated to Keep Up with Virtual Demands
Authors:   , Hnatiuk Sierra , McHugh Michelle
Published: December 2022

The purpose of this study was to explore the elements needed for an effective policy specific to enhancing user experience on the internet and to provide a clear path for media leaders looking to reshape regulatory requirements surrounding this rapidly evolving landscape. The study specifically focused on the effects of the Title I and Title II regimes and how this issue impacts internet service providers and delivery methods to heavy internet consumers. The study included a 19-question survey taken by 301 people that was launched over a 10-day period as well as in-depth interviews with four industry professionals familiar with this debate. The results of this study suggest that a consumer-centric comprehensive internet policy that invites innovation and protects users would make internet usage a better experience for both businesses and internet consumers.
Prevalence, risk factors and implication of venous thromboembolism in inflammatory bowel disease
Authors: Aljehani Salman Abdulaziz , Shayani Rayan Thabet , Alrebh Asia Hussain , Alrebh Hind Hussain , Alshaqaqiq Mohammed Abdullah , Alshehri Wejdan Fayez , Rayshan Abdullah Salem Al , Alrayshan Ali Salem , Aldamkh Abdulrahman Ali , Almousaalfadagm Ahmed Ali , Bedaiwi Lama Abdulrahman
Published: December 2022

Inflammatory bowel disease (IBD) is a chronic inflammatory disease that affects the gastrointestinal system and includes Crohn's disease and ulcerative colitis. Globally IBD accounts for approximately 84.3 cases per 100,000 persons. A well-known extraintestinal manifestation of IBD that increases morbidity and mortality in IBD patients is venous thromboembolism additionally its association with IBD is growing in importance as a result of the global incidence and prevalence of IBD being on the rise. Patients with IBD have a higher risk of developing venous thromboembolism. Prothrombotic mechanisms that include triggering activation of coagulation, which is partially mediated by weakening of the intestinal barrier and released bacterial components, predispose people with IBD to arterial and venous thrombosis. Clinical characteristics of venous thromboembolism in IBD include an earlier onset, high rates during active and remission stages, greater recurrence rates, and a poor prognosis. Surgery, old age and the use of drugs like corticosteroids or tofacitinib may raise the risk of venous thromboembolism in IBD patients. Post-thrombotic syndrome and a high recurrence incidence following hospital discharge are two long-term effects of venous thromboembolism. IBD outpatients frequently develop venous thromboembolism, hence it is advised that high-risk patients have prophylactic treatment timely. It is essential to keep emphasising on preventing and treating venous thromboembolism in IBD patients appropriately for which further research can be beneficial. The purpose of this research is to review the available information about prevalence, risk factors and implication of venous thromboembolism in IBD.
Does drilling affect the hearing of contralateral normal ear after mastoid surgery?
Authors: Meena Neelam , . Purnima , Arya Pankaj , Gupta Shubhangi , Jat Kailash Singh , Sharma Man Prakash , Singhal Pawan , Sharma Anjani Kumar
Published: December 2022

Background: Chronic otitis media (COM) is a recurrent infection of the middle ear and/or mastoid air cells affecting 2-3% of global population. Mastoidectomy is the mainstay of the treatment of COM. Bone drilling during mastoidectomy procedure exposes both the ears to acoustic trauma leading to sensorineural hearing loss. The present study was conducted to assess the possible deleterious effect of drilling on hearing of contralateral normal ear by monitoring pre-operative and post-operative pure tone audibility (PTA) and otoacoustic emissions (OAE). Aims and objectives were to evaluate the effect of drill- generated noise on hearing in non-operated ear during mastoidectomy in terms of hearing loss, its nature and duration and recovery of hearing loss.

Methods: An observational study was carried out in ENT department at SMS medical college and hospital, Jaipur. Total 40 patients were studied. Pre-operative and post-operative PTA and OAE were studied and compared. Mean drilling time during mastoid surgery was also studied.

Results: Out of 40 subjects, maximum patients were 11-20 years of age group (37.5%) with female preponderance (57.5%). All had undergone mastiodectomy. Only 6 (15%) subjects had transient sensorineural hearing loss of contralateral normal ear as determined by comparing pre-operative and post-operative PTA and OAE. The mean recovery time was 2-3 days. The study had shown significant effect of drill generated noise on hearing of contralateral healthy ear following mastoidectomy.

Conclusions: Drill-generated noise can’t be lowered to a great extent therefore drilling time should be minimized during mastoid surgeries.
Comparative study of range of motion and anterior knee pain in parapatellar versus trans patellar approach in tibia nailing
Authors: Deokar Nikhil Pralhad , Gaonkar Kiran L. , Daruwala Siddharth , Jagdale Anshuraj
Published: December 2022

Background: Tibial shaft fractures are common traumatic fractures especially in road traffic accidents. Intramedullary interlocking nailing is considered treatment of choice tibial diaphyseal fractures, minimizing soft tissue injury and permitting early weight bearing and fracture healing. Anterior knee pain and reduced range of motion are some common complications that patients have to face in post-operative period.

Methods: The 60 patients of both sex with traumatic diaphyseal tibial shaft fractures were included in this study out of which 30 were operated with interlocking tibia nailing with trans patellar (tendon splitting) approach while 30 were operated with medial parapatellar approach for tibia nail insertion. Range of motion at knee joint (in degrees) and anterior knee pain (on visual analogue scale) was evaluated on post-operative day 1, 2 weeks, 1 month, 3-month post operatively and compared for both groups.

Results: Mean anterior knee pain was significantly lower in parapatellar approach group at 2 weeks, 1 month and 3 months while there was no significant diﬀerence on post-operative day 1. Mean range of motion at knee joint was more in parapatellar approach group on post-operative day 1 and 2 weeks while there was no significant diﬀerence in range of motion after 2 weeks.

Conclusions: In our study medial parapatellar approach is superior than tendon splitting approach with comparatively greater range of motion and lesser anterior knee pain. Thus, medial parapatellar approach should be encouraged for interlocking tibia nailing.
A novel technique to retrieve a cold welded gingival former- A Technical note
Authors: Thomas Merlin , Joshi Abhijit , Bhat Pragathi Raghavendra , Mushannavar Lata Shankrappa
Published: December 2022

Cold welding is one of the mechanical complications of dental implants. This case report describes how a cold welded gingival former was successfully retrieved without damaging the threads using combination of ultrasonic scaler, surgical screw driver and a gingival retraction cord. This is a simple, cost-effective technique that can be adopted in all dental implant systems.
Esbozo historiográfico y artístico de los monumentos y esculturas de la provincia de Guanentá, Santander
Authors: Colmenares-Dulcey Elkin Guillermo
Published: December 2022

El presente texto aborda la escultura y el monumento como elemento de estudio y analiza puntualmente la provincia de Guanentá, del departamento de Santander, Colombia. El objetivo fue identificar las esculturas existentes, con el fin de generar una base documental que sirva de punto de partida para nuevos trabajos investigativos de carácter historiográfico y artístico. El estudio surgió como reacción a una inexistente documentación, catalogación, clasificación y ausencia de estudios académicos sobre la escultura en la provincia; para ello, el trabajo se apoyó en la revisión documental de archivos municipales, literatura local, regional y en el trabajo in situ de los municipios estudiados.
No todo pasado puede protegerse: la diferenciación del Patrimonio Cultural colombiano entre los años setenta y noventa del siglo XX
Authors: Maldonado-Badrán Christian Javier
Published: December 2022

En el presente artículo se analiza y describe la forma en que en Colombia se entendió y asumió el patrimonio cultural entre finales de los años 70 y 90 del siglo XX, momento en el que estaba configurándose una política cultural nacional. A partir de categorías como regímenes de historicidad y regímenes de alteridad junto con fuentes primarias, se reconstruyen las posiciones asumidas por el Estado, y sus órganos representativos en materia cultural, frente a lo que se consideró el patrimonio cultural del país, y la manera en que se conformaron unas narrativas históricas que reprodujeron nociones de historicidad y de alteridad que contribuyeron a reproducir la visibilización/invisibilización de las comunidades indígenas y de aquellas que se percibían como parte de la alteridad cultural.
Hemoglobin Heme Conformation in Patients with Different Oxygen Saturation Values
Authors: Yusipovich Alexander I. , Allakhverdiev Elvin S. , Parshina Evgeniia Yu. , Pirutin Sergey K. , Silicheva Margarita A. , Rodnenkov Oleg V. , Martynyuk Tamila V. , Maksimov Georgy V.
Published: December 2022

The characteristics of prosthetic group of hemoglobin – heme at different values of the oxygen saturation (sO2) was studied in human whole blood of patients with various clinical forms of coronary heart disease using the method of Raman spectroscopy. Correlation between the values of ratios of Raman spectra bands (1375 and 1355 & 1588 and 1552 cm–1, correspondingly) and oxygen saturation was shown. Based on the analysis of the Raman spectra, it is directly shown that at low sO2 the streatching of the heme ring comes before the binding of the bivalent iron atom to the oxygen molecule. It is probably caused by the cooperative effect (the attachment of a ligand to one heme leads to a change in of the protein and therefore the conformations of other hemes without ligands).
Catechins and Theaflavins: An Overview on Therapeutic Application
Authors: Kumar Sen Ashim , Sen Dhanya B. , Zanwar Aarti S. , Balaraman Ramachandran , Shah Umang , Maheshwari Rajesh A.
Published: December 2022

Flavonoids are a sort of natural substance which are basically plant secondary metabolites having a polyphenolic structure present in a wide range of food products. Flavonoids have become a vital constituent in nutraceutical, pharmacological, therapeutic, and cosmetic fields. This is owing to their capability to regulate essential cellular enzyme activity along with anti-cancer, anti-oxidative, anti-mutagenic, and anti-inflammatory effects. Through the revelation of a minimal cardiovascular death rate and the deterrence of CHD, research on flavonoids has gotten a boost. The functional mechanisms of flavonoids are still not completely known. Molecular docking and bioinformatics information are also been used to forecast potential flavonoid functions. Flavonoids are divided into several categories. Catechins and Theaflavins (TF’s) are two types of flavonoids that have been discussed in this review. ROS scavenging property of tea catechins and polyphenols have been demonstrated in vitro, and they may also serve as indirect antioxidants via their influence on transcription features and enzyme actions. There are a number of antioxidant polyphenols called collectively as “theaflavins” that are produced during the enzymatic oxidation (sometimes referred to mistakenly as “fermentation”) of black tea leaves by flavan-3-ol condensation Theaflavin-3-gallate, theaflavin-3’-gallate, and theaflavin-3-3’-digallate are the major theaflavins.
Determinants of Resilience Building in Tourism: A Case Study on Romania in the Context of the Pandemic Crises
Authors: Surugiu Marius Razvan , Vasile Valentina , Mazilescu Raluca , Surugiu Camelia , Vasile Razvan
Published: December 2022

This article investigates the evolution of Romanian tourism to identify the regions most resilient to health crises (swine flu and COVID-19) and to show the differences in regions’ responses to these types of shocks. The crises seriously affected the tourism sector globally and in Romania. Furthermore, due to tourists' fears of contracting an illness during travel, the value of the relevant indicators registered a significant decrease, also impacting the connected sectors. A resilience efficiency index was computed and used in the analysis. The index was a ratio between the output under shock and the normal output. A vector error correction model was developed to emphasize the short-term and long-term relationships between regional development and tourism performance during 1993–2020. The index values computed for 2020 and the evolution of the tourism demand showed that the Romanian regions were not resilient. On the supply side, some regions were resilient during the swine flu pandemic, and some were resilient during both pandemics. The regions displayed different responses to shocks, proving that along with the potential of the tourism sector, other factors are also important, such as management and public policies.
Influence of Training Programmes on Access to County Vocational Education and Training Institutions in Makueni County, Kenya
Authors: Mutuku Ngulu Onesmus , Riechi Dr. Andrew , Obae Dr. Rose
Published: December 2022

The purpose of this study was to investigate the influence of training programmes on access to County Vocational Education and Training institutions in Makueni County, Kenya. The study was informed by the existence of a large number of youths in the County who have not enrolled in CVETIs hence leading to high population of idle youths with low or no relevant employable skills which contributes to increased dependency ratio, high unemployment rates, engagement in drug and substance abuse and other social-evils. The study sought to investigate whether, the career guidance services influence access to County Vocational Education and Training Institutions in Makueni County, Kenya. The study was guided by Human Capital Theory (HCT). The study employed descriptive research design. The study targeted 28 registered Public Vocational institutions in Makueni County. The study used stratified simple random sampling and purposive sampling techniques to obtain a random sample of 21 managers, 87 instructors and 316 trainees drawn from 21 randomly selected Vocational institutions. Questionnaires, interview schedule and an observation check list were used to collect data.  Data were processed and analyzed qualitatively and quantitatively. Quantitative analysis used descriptive and inferential statistics computed using a computer programme (SPSS version 23 computer package). Descriptive statistics were generated and used in describing and discussing the research findings. Statistical tests were done using a T-test and one-way analysis of variance (ANOVA) at 95% Confidence Interval of the difference (α=0.05). The finding of the study revealed that, vocational training courses have not kept the phase of advancing technology in the industry and they less meet the labour market requirements, hence not attracted prospective trainees who meet the minimum admission requirements.  Based on this findings the study recommended that, there is need to re-plan the Vocational Education and Training curriculum in Kenya with the KCSE graduates in mind as opposed to their historical establishment as village youths polytechnics.
Impact of Risk Perception on Customer Purchase Intention in e-Commerce Platform
Authors: Li Jingyao , Nuangjamnong Chompu
Published: December 2022

Purpose – This study aims to investigate the impact of risk perception on online purchase intention in e-commerce platforms.

Design/Methodology/Approach – This research uses secondary data analysis and an archival study approach to investigate the impact of risk perception on online purchase intention in e-commerce platforms. The data was gathered from 385 customers using e-commerce platforms. Moreover, this research adopted four frameworks from previous research to construct a new conceptual framework.

Findings – This research examined the factors that impact risk perception on online purchase intention in e-commerce platforms. The research's findings revealed that perceived CKM tool risk, social risk, product risk, and delivery risk of customers impact e-commerce platforms.

Research Limitations/Implications – There are many limitations to researching the factors influencing customer purchase intention on e-commerce platforms. This research is based in China and uses e-commerce platforms, so this study may not completely apply to people from different cultural backgrounds in other nations.

Originality/value - This research is about the important influencing variables that customers perceived CKM tool risk, social risk, product risk, delivery risk, and purchase intention.
COVID-19 PANDEMİSİNDE PORTFÖY OPTİMİZASYONU: BİST-30 PAYLARI ÜZERİNE BİR UYGULAMA
Authors: YÖNTEM Aycan , ÖZKAN Nasıf
Published: December 2022

Bu çalışmanın amacı, COVID–19 pandemisinde modern portföy teorisi optimizasyon seçeneklerinin performansını ve bu seçeneklerde yatırımcıların hangi veri setini kullanmaları gerektiğini incelemektir. Araştırma, yatırımcıların COVID–19 pandemisinin neden olduğu sağlık krizi gibi çeşitli kriz dönemlerinde portföylerini amaçları doğrultusunda yönetmelerine olanak sağlayabilir. Bu kapsamda COVID–19 öncesi BİST–30 Endeksinde yer alan 29 payın 6 aylık, 12 aylık, 24 aylık ve 36 aylık günlük getirileri kullanılmıştır. Bu getirilere portföy optimizasyon seçenekleri (eşit ağırlıklandırma, risk kısıtlı getiri maksimizasyonu, getiri kısıtlı risk minimizasyonu, direkt risk minimizasyonu ve Sharpe oranı maksimizasyonu yöntemleri) uygulanmış ve 20 adet portföy elde edilmiştir. Ardından, COVID–19 sırası bir yıllık yatırım döneminde bu portföylerin getiri, risk ve Sharpe oranları karşılaştırılmıştır. Elde edilen bulgulara göre yatırımcılar, getirilerini ve performanslarını maksimize etmek için Sharpe oranı maksimizasyonu yöntemini kullanmalıdırlar. Ayrıca, riskten kaçınan yatırımcıların direkt risk minimizasyonu yöntemini kullanmalarının daha faydalı olacağı sonucuna ulaşılmıştır. Yatırımcılar, risk kısıtlı getiri maksimizasyonu yöntemini kullanmaları durumunda ise portföy oluşturmak için uzun vadeli bir veri seti seçmelidirler. Getiri kısıtlı risk minimizasyonu ve direkt risk minimizasyonu yöntemleri için yatırımcıların uzun vadeli veri setlerini tercih etmeleri gerekmektedir. Diğer taraftan Sharpe oranı maksimizasyonu yönteminde kullanılan veri setleriyle risk, getiri ve Sharpe oranı değerleri arasında ilişki kurulamamıştır.
TÜKETİCİLERİN ÖZEL İNDİRİM GÜNLERİNDE ÇEVRİMİÇİ YAPTIKLARI SATIN ALMALARINDAKİ TÜKETİM EĞİLİMLERİNİN BELİRLENMESİ
Authors: KARABIYIK Betül , AKKILIÇ M. Emin
Published: December 2022

Teknolojik gelişmelerle birlikte günümüzde, çevrimiçi ortamlar hayatın önemli bir parçası olmuştur. Tüketiciler, alışverişlerinin önemli bir kısmını bu ortamda gerçekleştirmektedirler. Tüketiciyi çevrimiçi alışverişe yöneltecek çeşitli uygulamalar geliştirilmiş ve özel indirim günleri de bu uygulamaların bir parçası haline gelmiştir. Bu nedenle, özel indirim günlerindeki tüketici eğiliminin faydacı mı yoksa hedonik mi olduğu cevaplanması gereken bir soru halini almıştır. Bu noktadan hareketle çalışmanın temel amacı, tüketicileri bu özel indirim günlerinde satın almaya yönelten güdülerin hedonik mi yoksa faydacı mı olduğunu tespit etmektir. Araştırma kapsamında bir model oluşturularak tüketicilerin tüketim eğilim düzeylerini test etmek için SPSS paket programı kullanılmıştır. Araştırmanın verileri kartopu örnekleme yöntemi ile toplanmıştır. Araştırmada, tüketicilerin çevrimiçi olarak yaptıkları alışverişlerde faydacı ve hedonik tüketim eğiliminin özel indirim günleri üzerinde anlamlı ve pozitif bir etkisi olduğu sonucuna ulaşılmıştır
Kualitas Semen Cair Kambing Boer dalam Pengencer Air Kelapa Muda dengan Penambahan Sari Kedelai
Authors: Sholikah Nisa'us , Susilowati Sri , Tribudi Yuli Arif , Sulistyowati Deny
Published: December 2022

Penelitian bertujuan untuk mengetahui kualitas semen cair kambing boer yang disimpan dalam pengencer air kelapa muda dengan penambahan sari kedelai. Penelitian dilaksanakan di Laboratorium Reproduksi Ternak, Fakultas Peternakan, Universitas Brawijaya Malang. Materi penelitian adalah semen kambing boer berusia 3 hingga 4 tahun yang ditampung sebanyak dua kali seminggu menggunakan metode vagina buatan. Metode penelitian adalah eksperimen laboratorium menggunakan rancangan acak kelompok (RAK) dengan empat perlakuan sebagai kelompok dan setiap kelompok terdapat 10 ulangan. Perlakuan penelitian adalah P0 (CEP-3 90% + kuning telur 10% + Putih telur 0,4 %), P1 (Air Kelapa Muda Hijau 80% + Kuning Telur 15% + Sari Kedelai 5%), P2 (Air Kelapa Muda Hijau 80% + Kuning Telur 10% + Sari Kedelai 10%), dan P3 (Air Kelapa Muda Hijau 80% + Kuning Telur 5% + Sari Kedelai 15%). Hasil penelitian dianalisis dengan menggunakan sidik ragam. Hasil penelitian menunjukkan persentase motilitas individu spermatozoa dan viabilitas spermatozoa sampai hari ke-3 penyimpanan antara perlakuan P0 dan P2 tidak memberikan perbedaan yang nyata (P>0,05) tetapi pada P1 dan P3 memberikan perbedaan pengaruh sangat nyata (P<0,01). Persentase abnormalitas pada semua perlakuan tidak terdapat perbedaan nyata (P>0,05) pada hari ke-1 sampai ke-3. Pada P0 dapat mempertahankan kualitas semen cair hingga hari ke-3 dengan nilai motilitas individu 43,00 ± 2,88%, sedangkan P2 dapat menjaga kualitas semen cair hingga hari ke-3 dengan nilai motilitas individu 43,00 ± 1,04%. Simpulannya pengencer air kelapa muda dengan penambahan kuning telur 10% dan sari kedelai 10% dapat menggantikan pengencer Cauda. Epididymal Plasma-3 (CEP 3) sampai hari ke-3 untuk inseminasi buatan.
Kajian Pustaka: Penanggulangan Kandidiasis Menggunakan Pendekatan Probiotik
Authors: Teriyani Ni Made , Inabuy Fainmarinat Selviani , Ramona Yan
Published: December 2022

Kandidiasis merupakan infeksi yang disebabkan oleh kamir kelompok Candida, terutama C. albicans. Kamir ini bersifat oportunis, karena C. albicans dapat menunjukkan karakateristik patogenitasnya atau berubah menjadi pathogen bila terjadi perubahan-perubahan kondisi lingkungan di tempat-tempat dimana species kamir ini berasosiasi dengan mikrob lain pada inangnya. Perubahan-perubahan kondisi lingkungan ini umumnya menyebabkan terjadinya perubahan komposisi mikrobiota pada bagian-bagian tersebut, dan perubahan ini dapat bersifat lokal atau sistemik pada inangnya. Dalam kondisi normal, pertumbuhan C. albicans dikendalikan/dikontrol oleh kehadiran mikrob lain dengan komposisi seimbang yang ada disekitarnya. Bila terjadi ketidakseimbangan mikrobiota normal pada tempat-tempat tersebut, maka kondisi ini akan dimanfaatkan oleh C. albicans untuk tumbuh dan berkembang melampaui mikroba lain. Pertumbuhan berlebih C. albicans ini sering menimbulkan masalah atau menyebabkan infeksi/lesi. Pada inangnya, kamir ini sering berasosiasi pada mukosa rongga mulut, permukaan kulit, saluran pencernaan, serta alat reproduksi wanita (vagina), dan menyebabkan infeksi yang disebut dengan kandidiasis. Kasus kandidiasis terus mengalami peningkatan dalam beberapa tahun terakhir, yang disebabkan oleh munculnya kasus resistansi Candida spp., terhadap antifungi yang dipakai dalam pengobatan kandidiasis. Pemahaman menyeluruh terkait kandidiasis menjadi sangat penting dan diperlukan untuk membangun strategi potensial dalam penanggulangan kandidiasis. Oleh karena itu, dalam telaah pustaka ini dielaborasi berbagai topik penting terkait kandidiasis dan alternatif penanganannya. Semua informasi yang diperlukan diekstrak dari berbagai artikel terkait yang dipublikasikan di jurnal-junal ilmiah bereputasi. Beberapa aspek seperti mekanisme Candida spp., dalam menyebabkan infeksi, faktor-faktor predisposisi, permasalahan dalam terapi kandidiasis menggunakan agen antifungi, maupun terapi alternative (termasuk pendekatan biokontrol menggunakan probiotik potensial) dijabarkan secara komprehensif dalam telaah pustaka ini.
Connecting Food Inequities Through Relational Territories
Authors:   Centre of Excellence in Food Security, May Julian , Bellwood-Howard Imogen ,   Institute of Development Studies, Cabral Lídia , Glover Dominic , Schmitt Claudia Job , Mendonça Márcio Mattos de , Sauer Sérgio
Published: December 2022

This paper explores how food inequities manifest at a territorial level, and how food territories are experienced, understood, and navigated by stakeholders to address those inequities. We interpret ‘food territory’ as a relational and transcalar concept, connected through geography, culture, history, and governance. We develop our exploration through four empirical cases: (i) the Cerrado, a disputed Brazilian territory that has been framed and reframed as a place for industrial production of global commodities, to the detriment of local communities and nature; (ii) urban agroecology networks seeking space and recognition to enable food production in the city of Rio de Janeiro, Brazil; (iii) informal food networks forming a complex web of intersecting local and global supply chains in Worcester, a secondary South African city; and (iv) periodic food markets in Ghana that synchronise trade systems across space and time to provide limited profit-making opportunities, but nonetheless accessible livelihood options, for poorer people. Examining these four cases, we identify commonalities and differences between them, in terms of the nature of their inequities and how different territories are connected on wider scales. We discuss how territories are perceived and experienced differently by different people and groups. We argue that a territorial perspective offers more than a useful lens to map how food inequities are experienced and interconnected; it also offers a tool for action.
Representasi Nasionalisme dan Implementasi Profil Pelajar Pancasila pada Film “Susi Susanti - Love All” dalam Perspektif Semiotika Roland Barthes
Authors: Perdana Rika Ayu
Published: December 2022

Masyarakat memiliki perjalanan nilai budaya dan historis. Museum memiliki peran dalam menjaga warisan nilai budaya dan historis melalui koleksinya. Peninggalan nilai budaya dan historis di museum memiliki muatan karakter yang berimplikasi pada penguatan karakter Profil Pelajar Pancasila yang dapat diajarkan kepada generasi mendatang. Hal tersebut membuat peneliti ingin mengembangkan konsep nilai budaya dan historis yang berimplikasi pada muatan muatan karakter Profil Pelajar Pancasila pada salah satu museum di Madura yaitu Museum Keraton Sumenep dengan grounded theory. Metode pengumpulan data menggunakan theoretical sampling yang dikumpulkan melalui observasi, studi pustaka, dokumentasi, dan wawancara. Teknik analisis data terdiri dari 3 tahap yaitu open coding, axial coding, dan selective coding. Hasil menunjukkan bahwa Museum Keraton Sumenep memiliki nilai budaya baik secara intangible maupun tangible. Secara intangible cenderung mengarah pada nilai-nilai kepemimpinan yang harus dimiliki oleh pemimpin, yaitu intelektualitas, sikap spiritual (sokkla), andhap asor (rendah hati), keterbukaan, dan berkeadaban. Kemudian tangible dapat diambil dari bangunan-bangunan pada komplek Museum Keraton Sumenep. Nilai historis dapat diambil dari tokoh-tokoh punggawa Keraton Sumenep, seperti Bindara Saod, Panembahan Somala, dan Sultan Abdurahman Pakunataningrat. Nilai budaya dan historis akan selalu berintegrasi dalam membentuk karakter Profil Pelajar Pancasila, sehingga apa yang terkandung pada Museum Keraton Sumenep menjadi sebuah media pengajaran. Melalui pelajaran tersebut generasi penerus mengagumi hasil karya yang diciptakan oleh raja-raja Sumenep dan memberikan sebuah inspirasi bahwa mereka telah mampu menghasilkan sebuah karya.
Konsep Positivisme dalam Pembelajaran Bahasa Indonesia di Era Merdeka Belajar
Authors: Islami Nelita Indah , Sauri Sofyan
Published: December 2022

The background in this article is about the policies that have been offered by the Minister of Education and Culture Nadiem Makarim regarding the Independent Learning curriculum. This concept requires a response from educators to provide views on the program. The writing of this article aims to describe the concept of positivism philosophy towards Indonesian language learning in the Merdeka Learning era. The method used is a literature study with data collection carried out by literature searches from relevant research for later analysis. The result of this article is the concept of positivism in learning Indonesian in the Merdeka Learning Era from the aspects of ontology, epistemology, and axiology.
Kearifan Lokal Madura Rokat Bhuju’ Siti Rohana sebagai Alternatif Muatan Lokal Era Merdeka Belajar
Authors: Effendy Moh. Hafid , Maulidiawati Maulidiawati , Putikadyanto Agus Purnomo Ahmad
Published: December 2022

This research examines and describes the existence of the local wisdom of Madura rokat bhuju' Siti Rohana as an alternative to local content in the era of independent learning. The focus of the research reveals 1) the manifestation of the existence of local wisdom of the Madurese people of Rokat Bhuju' Siti Rohana, 2) the procession of the existence of local wisdom of the Madurese people of Rokat Bhuju' Siti Rohana, and 3) the message contained in Rokat Bhuju' Siti Rohana. This research uses a qualitative approach with a descriptive type. Data collection techniques were carried out by means of interviews, observation, and documentation. The results of the study show that: 1) The manifestation of the existence of the local wisdom of Rokat Bhuju' is in the form of continuing to carry out traditional ceremonies and giving tambul (bu'-sobu') or food. 2) The Bhuju Rokat procession was initially carried out by slaughtering a plain white chicken by the caretaker, the community prepared skol rice, kocor snack cakes, and grilled chicken. After the community has gathered, the rokat procession begins with the reading of Yasin's letter, Tahlil, prayer, and ends with the exchange of snacks between the communities brought to the event. 3) ordered rokat bhuju' to keep away from disasters, and the economy of the surrounding community improves smoothly. The positive values contained in Siti Rohana's bhuju' rokat can be used as local content for typical Madurese learning.
Representasi Pariwisata Budaya Madura dalam Puisi Sastrawan Madura dan Relevansinya sebagai Materi Pembelajaran Sastra di Era Merdeka Belajar
Authors: Rahman Syaiful
Published: December 2022

Literature is a replica of life and culture. Therefore, literary learning should be directed in a more creative, innovative, free and fun way, so that students will not be bored and the noble values ​​in literature can be felt directly by students. The purpose of this study is to describe Madura cultural tourism contained in the poetry of Madurese writers and their relevance as literary learning materials in the era of independent learning. The method used in this study is a qualitative descriptive method with a tourism literary theory approach. Data and data sources, the data are in the form of sentence excerpts that represent Madura cultural tourism, while the data sources for this research come from a collection of poetry by Madurese writers. The instrument used for data collection in this study was the researcher himself. The data collection technique in this study was carried out by the note-taking method. To analyze the data, the researcher used the Milles & Huberman model by modifying it as needed. The results showed that there were 14 books of poetry collections of Madurese writers with the theme of Madura cultural tourism, consisting of 69 poetry titles, 121 data were found, with details of 105 data representing Madura traditional tourism and 16 data representing Madura art tourism. Poems written by Madurese writers are relevant if they are used as material for literary learning in the era of independent learning.
Implementasi MB-KM Melalui Metode Mengajar Bahasa Model Pembelajaran Student Center Learning di SMP Gema 45 Surabaya
Authors: Rashiva Ade Rizma , Subargo Yopi Lutfi , Baharuddin Fahyuni
Published: December 2022

This study aims to develop teaching strategies for 8th grade junior high school students, so that the transfer of knowledge oriented towards creativity and student independence or called Student Center Learning (SCL) can be well implied, according to Permendikbud No. 3, 2020 pertains to MB-KM. This type of research is descriptive qualitative using Outcome Based Education (OBE) approach. The focus of this research is 1) Teaching techniques oriented to Student Center Learning (SCL); 2) The advantages and disadvantages of SCL-oriented teaching techniques; 3) Implementation of the discussion method in the learning of eighth grade students of SMP Gema 45 Surabaya. The subjects of this research are seventh semester students, Faculty of Psychology, University of 45 Surabaya, while the object of research is students of SMP Gema 45 Surabaya, eighth grade. The MB-KM program offered by the University of 45 Surabaya is used as a medium in implementing the practice of teaching Indonesian. Data collection was carried out in three stages. First, observation, 1) students mapped the sample population by coordinating with the SMP Gema 45 Surabaya; 2) determination of teaching class; 3) recording the results of observations in the form of written documentation about the activities carried out during interacting with students. second stage; interviews with 3 groups of 8th grade students. The third stage is the documentation and data analysis process, namely collecting, reducing, presenting, and concluding data. The results showed that the subjects were able to apply the SCL learning method using the discussion method.
Rekonstruksi Rencana Pelaksanaan Pembelajaran dan Pengembangan Keterampilan Menulis Teks Anekdot bagi Siswa SMA/MA di Era Merdeka Belajar
Authors: Putri Novi Auliana , Hasanah Arinal , Julianto Indra Rasyid , Wagiran Wagiran , Naryatmojo Deby Luriawati
Published: December 2022

This article aims to find out how the quality of the items and assessment rubrics on aspects of language skills, namely the writing skills of students in class X SMA / MA in the odd semester Indonesian language lessons anecdotal text material located in Kudus. Researchers reconstructed the items and assessment rubrics and developed the learning media that would be delivered to students. The KD taken in this study were KD 3.5 for the realm of knowledge and KD 4.5 in the realm of anecdotal text material skills. The research that the researcher makes is included in the form of descriptive-qualitative research. The techniques in data collection that the researchers used in making this article include: reading and writing techniques and analysis techniques with data reduction, presenting existing data, and drawing conclusions. Furthermore, the results found that the lesson plans of Indonesian language teachers at SMA/MA Kudus did not meet the criteria for the assessment of the three aspects, namely material, construction, and language. The first aspect is the material reaches 70%, construction 70%, and language 75%. In addition, the assessment rubric which was originally still in the cognitive domain was reconstructed by changing to the skill or psychomotor domain. The last result is the development of media used by teachers, researchers develop learning media so that students' skills in writing anecdotal texts can be achieved through the existence of android-based learning applications in the era of independent learning, especially in anecdotal texts. So that the learning objectives in the era of independent learning can be achieved optimally.
The Relationship of Lifelong Learning Competencies with Learning Approaches and Self-Efficacy
Authors: ÇETİN Fatma , DEMİRTAŞ Zeynep
Published: December 2022

The study aims to investigate the relationship between the lifelong learning competencies of the students studying in the faculty of education and learning approaches as well as self-efficacy. Lifelong Learning Competence Scale, Learning Approaches Scale, and General Self-Efficacy Scale were used to collect the data for the study. In the study, findings showed that self-management competencies and deep learning among the sub-dimensions of lifelong learning competencies of the students studying in the faculty of education are positively and significantly correlated with strategic learning and self-efficacy, it has been also found that learning-to-learn competency sub-dimension and deep learning, strategic learning, as well as superficial learning, are also positively and significantly correlated; however, no significant relationship was found with self-efficacy. Initiative and entrepreneurship competencies and the sub-dimension of information acquisition competencies were found to be positively correlated with deep learning, strategic learning, and self-efficacy; however, no significant relationship was found with superficial learning. The sub-dimension of digital competencies and the sub-dimension of decisionmaking competence have a significant and positive relationship with deep learning, strategic learning, and self-efficacy however, no significant relationship was found with superficial learning.