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Now showing items 1401-1410 of 1423
Microstructure and mechanical behavior of hot extruded aluminum/tin-bismuth composites produced by powder metallurgy
(
MDPI AG
, 2020 , Article)
In this study, Al-BiSn composites were synthesized by a combination of microwave sintering and hot extrusion processes. The structural, morphological, mechanical, and thermal properties were investigated to elucidate the ...
The effect of graphene on the activation energy of grain growth for the nanocrystalline thermoelectric n-type Bi2Te2.7Se0.3
(
Springer Nature
, 2022 , Article)
Even though bismuth telluride is frequently produced by mechanical alloying for thermoelectric materials, no data has been published addressing the thermal behavior and activation energy of the milled n-type Bi2Te2.7Se0.3 ...
Iran's Trade with Neighbors: Sanctions' Impact and the Alternatives
(
John Wiley and Sons Inc
, 2022 , Article)
This article investigates whether sanctions have changed or influenced Iran's trade patterns, focusing on neighboring countries. The study concentrates first on the United Arab Emirates (UAE), considered Iran's main regional ...
Review of Progress and Prospects in Research on Enzymatic and Non- Enzymatic Biofuel Cells; Specific Emphasis on 2D Nanomaterials
(
Bentham Science Publishers
, 2022 , Article)
Energy generation from renewable sources and effective management are two critical challenges for sustainable development. Biofuel Cells (BFCs) provide an elegant solution by combining these two tasks. BFCs are defined by ...
املقاطعة الرقمية لألفالم العربية: تحليل الشبكة االجتماعية لوسم "اسحبوا فيلم أميرة" ىلع تويتر
(
مركز الجزيرة للدراسات
, 2022 , Article)
تبحث الدراسة حالة المقاطعة الإعلامية الرقمية لأحد الأفلام العربية (اسحبوا فيلم أميرة) التي تناولت موضوع النطف المهربة بداية شهر ديسمبر/كانون الأول 2021. وتهدف إلى التعمق في فهم المزيد من هذه الحالات، والكشف عن بعض الخصائص ...
Excess pCO2 and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf)
(
Elsevier
, 2022 , Article)
Dissolved inorganic carbon (DIC) and total alkalinity (TA) were sampled in December 2018 and May 2019 in the Exclusive Economic Zone (EEZ) of Qatar in the Arabian Gulf. pCO2, pH and CO32− were calculated from DIC and TA. ...
The Potential of Marine Microalgae for the Production of Food, Feed, and Fuel (3F)
(
Multidisciplinary Digital Publishing Institute (MDPI)
, 2022 , Article)
Whole-cell microalgae biomass and their specific metabolites are excellent sources of renewable and alternative feedstock for various products. In most cases, the content and quality of whole-cell biomass or specific ...
“Beyond the Source of Bioenergy”: Microalgae in Modern Agriculture as a Biostimulant, Biofertilizer, and Anti-Abiotic Stress
(
Multidisciplinary Digital Publishing Institute (MDPI)
, 2021 , Article)
Microalgae are photoautotrophic organisms with high commercial potential. Extracts from microalgae are extensively used in crop cultivation, mainly because they possess growth-promoting properties, coupled with their ...
Community-level genetic profiles of actinomycetales in long-term biowaste-amended soils
(
Springer
, 2020 , Article)
Actinomycetales is an order of actinobacteria that have an important role in the decomposition of organic matter. Their abundance and distribution can reflect a good level of soil fertility as well as biological activity. ...
Prevalence and potential determinants of covid-19 vaccine hesitancy and resistance in qatar: Results from a nationally representative survey of qatari nationals and migrants between december 2020 and january 2021
(
MDPI AG
, 2021 , Article)
Global COVID-19 pandemic containment necessitates understanding the risk of hesitance or resistance to vaccine uptake in different populations. The Middle East and North Africa currently lack vital representative vaccine ...