Results 21 to 30 of about 173,148 (300)

Catalytic production of ammonia from dinitrogen employing molybdenum complexes bearing N-heterocyclic carbene-based PCP-type pincer ligands

Nature Synthesis, 2023
Mechanistic insight into the catalytic production of ammonia from dinitrogen is needed to improve the synthesis of this vital molecule. Here we study the use of samarium diiodide (SmI2) and water in the presence of molybdenum complexes that bear PCP-type
Y. Ashida, Takuro Mizushima, Kazuya Arashiba, Akihito Egi, Hiromasa Tanaka, K. Yoshizawa, Y. Nishibayashi   +6 more
semanticscholar   +1 more source

Preparation technology of tungsten silicide alloys used for sputtering target

Fenmo yejin jishu, 2021
W–Si alloy blocks were prepared by vacuum calcination, using the W and Si mixed powders as the raw materials, and the W–Si sputtering targets followed the requirements of semiconductor application were successfully prepared by crushing and sintering. The
HUANG Zhi-min, WANG De-zhi, WU Zhuang-zhi, CHEN Jin, LI Bao-qiang   +4 more
doaj   +1 more source

Variable residual activity of K-Othrine® PolyZone and Actellic® 300 CS in semi-field and natural conditions in the Democratic Republic of the Congo

Malaria Journal, 2021
Background Indoor Residual Spray (IRS) against vector mosquitoes is a primary means for combating malaria transmission. To combat increased patterns of resistance to chemicals against mosquito vectors, alternative candidate insecticide formulations ...
Leonard M. Ngwej, Emmanuel M. Mashat, Clarence K. Mukeng, Henri T. Mundongo, Françoise K. Malonga, Jean-Christophe K. Kashala, Michael J. Bangs   +6 more
doaj   +1 more source

Research progress of Mo−Re alloy structural materials usedfor nuclear reactors

Fenmo yejin jishu, 2023
Molybdenum (Mo) as the refractory metals shows the series of advantageous properties, such as high melting point, excellent high temperature mechanical properties, and good thermal conductivity.
ZENG Yi, SUN Yuanjun, AN Geng, DING Xiangdong, QIU Xi, WANG Na, SUN Jun   +6 more
doaj   +1 more source

Molybdenum Distribution Characteristics in Soil of Agricultural Land in Huaibei Plain of Anhui Province and Influencing Factors

Yankuang ceshi, 2023
BACKGROUND As an important component of plant nitrogenase, nitrate reductase and human enzyme prosthetic groups, Mo plays an important role in maintaining plant growth and development, and human health.
LI Pengfei, WU Heng, GUAN Houchun, XU Jinlong, WANG Yao, SHEN Shihao, WANG Yafei, GE Haiying   +7 more
doaj   +1 more source

Research Status and Progress of Welding Technologies for Molybdenum and Molybdenum Alloys

Metals, 2020
Owing to its potential application prospect in novel accident tolerant fuel, molybdenum alloys and their welding technologies have gained great importance in recent years.
Qi Zhu, Miaoxia Xie, Xiangtao Shang, Geng An, Jun Sun, Na Wang, Sha Xi, Chunyang Bu, Juping Zhang   +8 more
doaj   +1 more source

Distribution Law and Influencing Factors of Molybdenum in Soils and Crops in Luoyang, Henan Province

Yankuang ceshi, 2021
BACKGROUND Molybdenum is an essential and beneficial element for humans and crops and has an anti-cancer effect. The content of molybdenum and the pH of the soils are different in different regions, the content of molybdenum in crops varies greatly.
XIA Yan, SONG Yan-bin, HOU Jin-kai, ZHAO Rui, WANG Xi-kuan   +4 more
doaj   +1 more source

Research on Flotation Process of a Low Grade Molybdenum Ore in Qinghai Province

Kuangchan zonghe liyong, 2022
The molybdenum grade is 0.21% and the lead grade is 0.0049% in a low grade disseminated molybdenite ore in Qinghai Province. Process mineralogy research and beneficiability condition test were carried out for the low grade molybdenum ore.
Wenjie Mi, Wendan Wang, Ruiyang Zhang, Lei Liu, Rong Han   +4 more
doaj   +1 more source

Research progress of molybdenum-based composites prepared by powder metallurgy technology

Fenmo yejin jishu, 2021
The research progress of the molybdenum-based composites prepared by powder metallurgy (PM) technology was summarized in this paper, the common reinforcements of the molybdenum-based composites and the effects of the reinforcements on the properties of ...
WU Ming-ming, LI Lai-ping, GAO Xuan-qiao, LIANG Jing, XUE Jian-rong, LIN Xiao-hui, ZHANG wen, LI Yan-chao   +7 more
doaj   +1 more source

Molybdenum

Definitions, 2020
Domestic Production and Use: In 2002, molybdenum, valued at about $270 million (based on average oxide price), was produced by six mines. Molybdenum ore was produced at three mines, one each in Colorado, Idaho, and New Mexico, whereas three mines in ...
M. Sim
semanticscholar   +1 more source