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Publication year : 2022 ✕Researcher : Nurzat TOTUBAYEVA ✕
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Doç. Dr. Nurzat TOTUBAYEVAMühendislik Fakültesi
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Chemical Composition and Antioxidant Activity of Sea-Buckthorn (Hippophae rhamnoides L.) Grown in Issyk-Kul Region, Kyrgyz Republic

Aygül USUBALİYEVA | Nurzat TOTUBAYEVA

The fruit of sea-buckthorn (Hippophae rhamnoides L.) is a rich source of nutrients and phytochemicals. This study determined the chemical composition and antioxidant activity of sea-buckthorn grown in Issyk-Kul region, Kyrgyz Republic, during maturation from August to November. Three different assays [ferric reducing antioxidant power (FRAP), DPPH radical scavenging activity (DPPH), and cupric ion reducing antioxidant capacity (CUPRAC)] were used to determine the antioxidant activity of sea-buckthorn fruits. Sea-buckthorn fruits had a sugar content of 6.57-8.08 g/100g, a dietary fiber content ...More

Article 2022 Mühendislik Fakültesi Akademik Gıda20 ( 4 ) 53 Views
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Impact of Kara-Keche lignite mining on the Kara-Keche River water composition and properties = Влияние разработки Кара-Кечинского буроугольного месторождения на состав и свойства вод реки Кара-Кече

Kanatbek KOCOBAYEV | Nurzat TOTUBAYEVA | Nurzat ŞAYKİYEVA

On the evidence of the earlier research findings, as well as the full-scale and lab-scale test data of 2019–2020, this article describes the ecological situation at Kara-Keche lignite field being developed by five mining companies in the Jumgal district of the Naryn Region in the Kyrgyz Republic. It is found that the field development proceeds with insufficient adherence to legal documents and has a considerable adverse influence on the environment and water bodies. Many large-volume refuse dumps have no isolation from natural water bodies, which ends with acute pollution of the latter. Contam ...More

Article 2022 Mühendislik Fakültesi Горный журнал / Gornyi Zhurnal ( 12 ) 132 Views
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Ecological Assessment of Technogenically Disturbed Soils of the Mountain Ecosystems of Kyrgyz Republic Based on the TRIAD Method

Nurzat TOTUBAYEVA | Kanatbek KOCOBAYEV | Aygül USUBALİYEVA | Ciyde TOKPAEVA

Comprehensive studies of soil contamination were performed in the area of settlement Kichi-Kemin (Kyrgyz Republic). Soils of the Kyrgyz Republic are exposed to waste (tailings) of many industrial enterprises of the mining industry not far from the village of A k-Tuz, located 145 km from the capital of Kyrgyz Republic, Bishkek, at an altitude of 2300 m above sea level. It is noted that 4.17 million tons of radioactive waste from one of the enterprises were once disposed of at four tailings in the Kichi-Kemin Valley. The main waste elements are radioactive thorium, heavy metals such as cadmium, ...More

Article 2022 Mühendislik Fakültesi Polish Journal of Environmental Studies31 ( 3 ) 63 Views
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Dynamics of Microbiological Diversity of Soils in the Chu Valley during Land Use Change in Pastures

Nurzat TOTUBAYEVA

Soil microflora is one of the first to feel a negative impact and can serve as a biological indicator of changes in the soil structure and the degree of impact on the soil ecosystem. In 2020, studies were carried out at two sites located in the Shamshy Gorge in the Chui region of the Kyrgyz Republic. One of the plots was withdrawn from pasture use for one year in 2020 and two years in 2019 as compared to the actively used control option. The microbiological diversity was studied with conventional methods of microbiology. The micromycetes of the studied soils were represented in the dominance o ...More

Article 2022 Mühendislik Fakültesi Arid Ecosystems12 ( 2 ) 68 Views
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ДИНАМИКА МИКРОБИОЛОГИЧЕСКОГО РАЗНООБРАЗИЯ ПОЧВ ЧУЙСКОЙ ДОЛИНЫ ПРИ ИЗМЕНЕНИИ ТИПА ЗЕМЛЕПОЛЬЗОВАНИЯ НА ПАСТБИЩАХ

Nurzat TOTUBAYEVA

Почвенная микрофлора одной из первых чувствует на себе отрицательное воздействие и может служить биологическим индикатором изменения почвенной структуры и степени воздействия на почвенную экосистему. В 2020 г. были проведены исследования на двух участках, которые расположены в ущелье Шамшы в Чуйской области Кыргызской Республики. Один из участков был изьят из пастбищепользования на один год в 2020 г. и два года в 2019 г. по сравнению с контрольным активно используемым вариантом. Было изучено микробиологическое разнообразие общепринятыми методами микробиологии. Микромицеты исследуемых почв были ...More

Article 2022 Mühendislik Fakültesi Аридные экосистемы28 ( 2(91) ) 68 Views
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АНАЛИЗ ИЗМЕНЕНИЯ ЗЕМЕЛЬНОГО ФОНДА ЧУЙСКОЙ ОБЛАСТИ С ИСПОЛЬЗОВАНИЕМ ГИС-ТЕХНОЛОГИЙ

Nurzat TOTUBAYEVA

Масштабные изменения ландшафта Чуйского региона и в особенности высокий темп урбанизации г. Бишкека, а также застройки, рост промышленного и сельского хозяйства приводят к изменению систем и циклов, основанных на функционировании экосистем. Эти перемены являются сильной и потенциально серьезной угрозой окружающей среде, а также очень негативно влияют на состояние земельных ресурсов. Чтобы эффективно защитить земельные ресурсы и рационально управлять ими, необходимо иметь точные и достоверные данные о сегодняшнем состоянии земельного ресурса и намеченных тенденциях, включая их использование, вл ...More

Article 2022 Mühendislik Fakültesi Успехи современного естествознания ( 6 ) 54 Views
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