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Коллекция [9]
Окумуштуулар [35]
БУУнун туруктуу өнүгүүсү [17]
Факультет / Институт [14]
Басылманын түрү [10]
Жарыяланган жылы [22]
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Маалымат базалар [35]
Индекс түрү [11]
Индекс түрү 2 [5]
Басмаканасы [35]
Бөлүмү [35]
Улуттук/Эл аралык [2]
Предметтик рубрикатор [35]

A techno-economical assessment of treatment by coagulation-flocculation with aluminum and iron-bases coagulants of landfill leachate membrane concentrates

Mehmet KOBYA

Landfill leachate treatment involved with the membrane bioreactor (MBR) combined with membrane treatment via nanofiltration (NF) and/or reverse osmosis (RO) is widely used in Turkey. This treatment produces landfill leachate membrane concentrates (LLMCs) with an undesirably high concentration of contaminants. In the study, two different nanofiltration concentrates of leachate were coagulated. Coagulant dosages from 0.10 to 5.0 g of Me3/L (Me3: Al3 or Fe3), and the pH values ranged from 4.0 to 8.0 and 3.0-9.0 for Al-based and Fe-based coagulants, respectively. The most efficient pH values were ...Дагы

Макала 2023 Mühendislik Fakültesi Chemosphere314 75 Көрүүлөр

The Impact of Government Effectiveness on Trade and Financial Openness: The Generalized Quantile Panel Regression Approach

Sezer KAHYAOĞLU

Purpose: This paper aims to investigate the impact of government effectiveness on trade and financial openness in 35 selected countries around the globe. Design/methodology/approach: A quantitative research approach was applied in the study using the generalized quantile panel regression approach to analyze the impact of identified variables in these selected countries. Panel quantile models with high estimation performance are preferred in the presence of excessive deviations and in cases where the normal distribution is invalid. Findings/results: The empirical findings indicate that selected ...Дагы

Макала 2023 İktisadi ve İdari Bilimler Fakültesi Journal of Risk and Financial Management16 ( 1 ) 19 Көрүүлөр

Mixed Bacteriological Isolation Percentages from the Uterus of Cows Slaughtered due to Infertility

Ali RIŞVANLI

Background: Intrauterine mixed infections are an important problem in cattle breeding. In this study, we aimed to determine the mixed bacteriological isolation rates from the uterus of cows with clinical metritis and to reveal the relationships between the bacteria that isolated together.Methods: For this purpose, sterile swabs were taken from 490 uterus obtained from cattle slaughtered due to infertility in three slaughterhouses and used them to perform microbiological tests. After evaluating the data, it was determined that the bacterial isolation rate from uterus with clinical metritis was ...Дагы

Макала 2022 Veteriner Fakültesi Advancements in Life Sciences9 ( 4 ) 9 Көрүүлөр

ON OPTIMAL CONTROL OF THE INITIAL VELOCITY OF AN EULER-BERNOULLI BEAM SYSTEM

Ercan ÇELİK

In this study, we consider an optimal control problem for an Euler-Bernoulli beam equation. The initial velocity of the system is given by the control function. We give sufficient conditions for the existence of a unique solution of the hyperbolic system and prove that the optimal solution for the considered optimal control problem is exists and unique. After obtaining the Frechet derivative of the cost functional via an adjoint problem, we also give an iteration algorithm for the numerical solution of the problem by using the Gradient method. Finally, we furnish some numerical examples to dem ...Дагы

Макала 2022 Fen Fakültesi Thermal Science26 ( Special Issue: 2 ) 39 Көрүүлөр

H-infinity-NORM EVALUATION FOR A TRANSFER MATRIX VIA BISECTION ALGORITHM

Ercan ÇELİK

In this paper, we compute H.-norm of a transfer matrix, via bisection algorithm. The algorithm is given and applied some problems. The problems are choosen from various areas of control theory such as aircraft models and decentralized interconnected systems.

Макала 2022 Fen Fakültesi Thermal Science26 ( Special Issue: 2 ) 51 Көрүүлөр

Nomadic pastoralism and interaction zones (The case of pre-Soviet Kyrgyz pastoralism)

Baktıbek İSAKOV | Cıldız URMANBETOVA

This paper re-conceptualizes the four-seasonal cycling tradition of pre-Soviet Kyrgyz pastoralism, reconsidering the existing archival and oral materials. It argues that the summer quarters (zhailoo) in nomadic cycling were core contact zones for whole clan-based Kyrgyz community in pre-Soviet time whereas, the other winter, spring and autumn quarters remained in the margins. In addition, since all small and large nomadic groups from different regions were interacting in summer quarter, practicing the common language, ceremonies and traditions, this quarter also was preventing the emergence of ...Дагы

Макала 2022 Edebiyat Fakültesi Voprosy Istorii / Вопросы истории12 ( 3 ) 95 Көрүүлөр

Effects of botanical gardens on student environmental perception

Hasan YILMAZ

This paper examines the role of the classroom environment in promoting student well-being and, more specif-ically, a sense of responsibility towards nature in the city. The study analyzed how indoor vs outdoor educational environments affect students' perception of events and phenomena focusing on emotional, behavioral and cognitive processes. It was conducted in the Kayakyolu Secondary School, Erzurum, Turkey with 282 students ranging in age from 11 to 14 in grades 5-8. They participated in reading a story in two distinct environments: an enclosed indoor classroom and an outdoor botanical gar ...Дагы

Макала 2022 Ziraat Fakültesi Ecological Informatics73 57 Көрүүлөр

A Wooly Way? Fiber technologies and cultures 3,000-years-ago along the Inner Asian Mountain Corridor

Kubatbek TABALDİYEV

Wool-focused economies yielded a pastoralist materiality that visibly shaped the lived experiences of Central Asian populations today. In this paper, we investigate the earlier application of fibers through a key mountain corridor for social interactions during Prehistory. We focus on the site of Chap 1 located in the highlands of the Tien Shan Mountains of Kyrgyzstan where researchers have found a complex agropastoral subsistence culture was established from at least ca. 3,000 BCE. The perishable materials that would have accompanied the early spread of cultural and technological traditions r ...Дагы

Макала 2023 Edebiyat Fakültesi Frontiers in Ecology and Evolution10 83 Көрүүлөр

Artvin and Its Districts Ancient History Researches in 2019 = 2019 Yılı Artvin ve İlçeleri Eski Çağ Tarihi Araştırmaları

Oktay ÖZGÜL | Alpaslan CEYLAN

Artvin has been one of the first stops of various peoples and cultures since earliest times, since it is located on the road from the Caucasus to Anatolia. Most of the surveys carried out so far have been directed to the Middle Ages of the region. As a result of the surveys carried out in Artvin and its districts in 2019 with the permission of the Ministry of Culture and Tourism, centers that can shed light on the Bronze Age and nomadic culture of the region were identified. The survey in 2019 was carried out in the region covering centers, Arhavi-Demirkapn / Namazgah Rock Paintings, Yusufeli- ...Дагы

Макала 2022 Edebiyat Fakültesi Selçuk Üniversitesi Edebiyat Fakültesi Dergisi / Selçuk University Journal of Faculty of Letters ( 48 ) 73 Көрүүлөр

A new host for Fusarium algeriense causing crown and root rot on barley in Kyrgyzstan

Sezim COLDOŞBEKOVA | İsmail ERPER

After maize, wheat and rice, barley is the most widely planted and economically important cereal crop in the Kyrgyzstan's highlands (Usubaliev et al., 2013) and worldwide. In two barley fields in the Manas district of Bishkek, Kyrgyzstan, diseased plants exhibiting crown and root rot, stunting and brown discolouration on internodes were observed in 2020. Disease incidence was approximately 5 in the two fields.Small sections of root and crown tissues from diseased plants were surface sterilised in 1 (v/v) sodium hypochlorite solution for one minute before being placed onto potato dextrose agar ...Дагы

Макала 2022 Ziraat Fakültesi New Disease Reports46 ( 2 ) 25 Көрүүлөр

A Nonlinear Panel ARDL Analysis of Pollution Haven/Halo Hypothesis

Zamira ÖSKÖNBAYEVA

There is a growing popularity for the nonlinear econometric approaches, since linkages among variables are not always linear. Nonlinear approaches provide a broader range of knowledge compared to the linear model. This research aims to assess the impact of foreign direct investment on pollution. To capture the potential asymmetries resulting from rise and fall in the foreign direct investments, the nonlinear panel autoregressive distributed lag approach is employed. In the empirical analysis, annual data of selected 22 transition economies from 1995 to 2016 is utilized. The findings highlighte ...Дагы

Китеп бөлүмү 2022 İktisadi ve İdari Bilimler Fakültesi Advances in Econometrics, Operational Research, Data Science and Actuarial Studies 72 Көрүүлөр

A Panel Study of the Impact of R&D on Financial Performance: Evidence from an Emerging Market

Mahmut ERDOĞAN | Adilya YAMALTDİNOVA

In recent years, innovation and R&D activities have been one of the most important factors affecting the growth strategies of the companies and their financial performance. However, it is the fundamental elements of sustainable economic growth, innovative activities have strategic decision-making characteristics due to their effects on efficiency and market value. The aim of this paper is to investigate the effects of R&D expenditures on the financial performance of 62 production companies listed in Borsa Istanbul in the period of 2008-2017 by using panel data methods. We used return on assets ...Дагы

Конференция доклады 2019 İktisadi ve İdari Bilimler Fakültesi Procedia Computer Science158 47 Көрүүлөр
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