Results 21 to 30 of about 1,214,301 (380)
Determination of Trace Elements in Nickel-based High-temperature Alloy by High Resolution Plasma Mass Spectrometry [PDF]
Zhipu Xuebao, 2023 The nickel content of nickel-based high-temperature alloy is between 50% and 70%, and the alloy contents of chromium, iron, cobalt, molybdenum, aluminum, titanium and tungsten are within 20%.
HU Xuan1 +6 more
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Yankuang ceshi, 2021 BACKGROUND Composition analysis of copper concentrate is an important method to determine its quality, especially the analysis of the main element copper.
ZHOU Cheng-ying +6 more
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Hangkong gongcheng jinzhan, 2020 With the best comprehensive performance, Li-ion batteries are widely applied to civil aviation. As the research of its technical characteristics and security risks are defective, and the applicable airworthiness regulations are short of safety standards,
MA Yingkun, QIU Tao
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Ensuring the safety of workers in underground electrical installations - professional risk assessment [PDF]
MATEC Web of Conferences, 2020 Occupational risk assessment is a prevention tool used to manage safety and health at work in the national economy sectors of activity. Within the operation and maintenance in underground electrical installations, several major risk factors are ...
Buică Georgeta +4 more
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Kuangchan zonghe liyong, 2023 This is a paper in the field of metallurgical engineering. In order to solve the lack of mineral elements in pure water, increasing their concentration via the dissolution characteristics of mineral materials was a valid method.
Mingtao Hou +5 more
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, 2020 This paper aims to determine the implications of halal certification for the halal product business in Indonesia. The issue of halal has become a global trend marked by the presence of halal certification institutions in various parts of the world.
Warto Ahmad Saifuddin
semanticscholar +1 more source
Technology and Design of Intelligent Casting and The Drying Line for Sanitary Ceramics [PDF]
E3S Web of Conferences, 2021 Firstly, the social production demand of sanitary ceramic intelligent manufacturing mold drying line is described. Secondly, the technological process of intelligent manufacturing mould drying for sanitary ceramics was analyzed, and the overall design ...
Lv Huachao +3 more
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Shipin yu jixie, 2023 Objective: In this study, ultra performance liquid chromatography-high resolution quadrupole time of flight mass spectrometer (UPLC-Q-TOF/MS) was established to determine β-sitosterol, brassicasterol, and campesterol in camellia oleifera seed oil ...
PAN Jin-hua +4 more
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Researching Technology and Equipment about the Vertical Billet in the Intelligent Manufacturing Production Line [PDF]
E3S Web of Conferences, 2021 Firstly, this text is introducing the traditional technology of vertical billet. Secondly, the text is describing technological process and equipment principle about first and second generation vertical billet machine.
Zhong Bo +3 more
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Sustainability, 2020 This study aims to review empirical research concerning the impact of green certificates on property cash flows and values, particularly from professional property investors’ perspective. The study uses discounted cash flows (DCF), a widely used property
Niina Leskinen, J. Vimpari, S. Junnila
semanticscholar +1 more source