Results 11 to 20 of about 251,426 (313)
State-of-the-art heat transfer fluids for parabolic trough collector
International Journal of Heat and Mass Transfer, 2020 Solar thermal energy conversion is gaining more attention among researchers due to the recent development in nanofluids and molten salt technology.
Y. Krishna +4 more
semanticscholar +1 more source
Thermal performance enhancement of a flat plate solar collector using hybrid nanofluid
Solar Energy, 2020 Covalent Functionalized-Multi wall carbon nanotubes (CF-MWCNTs) and Covalent Functionalized-graphene nanoplatelets (CF-GNPs) with hexagonal boron nitride (h-BN) were suspended in distilled water to prepare the hybrid nanofluids as working fluids inside ...
O. A. Hussein +5 more
semanticscholar +1 more source
Flotation of a Low Grade Fluorite Ore in Xinjiang
Kuangchan zonghe liyong, 2023 This is an essay in the field of mineral processing engineering. A low-grade fluorite ore is mainly composed of fluorite (28.85%), calcite (43.26%), quartz (12.01%) and feldspar (10.28%).
Lun Li +3 more
doaj +1 more source
Frontiers in Chemistry, 2020 A novel collector of 1-(2-hydroxyphenyl) dec-2-en-1-one oxime (HPDO) was synthesized from 2-hydroxy acetophenone and octanal, and its flotation and adsorption behavior for malachite were studied by flotation tests and x-ray photoelectron spectroscopy ...
Liqing Li, Lin Yang, Fangxu Li
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Two new records of flowering plants from Lesotho
Bothalia: African Biodiversity & Conservation, 2017 Background: A number of books, articles and checklists have been published on Lesotho’s flora. The species presented here have been recorded for South Africa but have not previously been recorded for Lesotho.
Khotso Kobisi +2 more
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OF RENT COLLECTORS AND DEBT COLLECTORS
Obiter, 2023 This note examines the question whether an estate agent collecting or receiving monies in the course of his or her business as an estate agent is also a “debt collector” as defined in the Debt Collectors Act 114 of 1998. The matter is of some importance: if the answer is in the affirmative it would mean that estate agents mandated to collect rentals ...
openaire +1 more source
Use of high-thermal conductive aluminum nitride based ceramics in vacuum UHF electronic devices [PDF]
Технологія та конструювання в електронній апаратурі, 2013 Analysis of properties and characteristics of the alumina, beryllium oxide and aluminium nitride based ceramic materials used in UHF electronic devices has been made.
V. I. Chasnyk
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Recent residential applications of low-temperature solar collector
, 2021 The use of renewable energy systems for domestic and industrial sectors is growing at a rapid rate due to the increase in population and due to the restrictions set by governments worldwide in decreasing the green gas emissions.
A. Ahmadi +8 more
semanticscholar +1 more source
About Bookstores of Ankara [PDF]
Ankara Araştırmaları Dergisi, 2013 This article deals with the bookstores established in Ankara until the year of 1960. The information about the first years of bookselling and the first bookstores in Ankara is considerably scarce because of the very limited number of written documents ...
Turan Tanyer
doaj