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词汇 NHC
释义
NHC是什么意思,NHC怎么读 语音:
  
NHC 基本解释
abbr. National Hurricane Center <美国>国家飓风中心;neonatal hemochromatosis 新生儿血色病;neonatal hypocalcemia 新生儿低钙血症;National Housing Center <美国>全国住房中心
NHC 用法和例句
NHC Silicon Stabilization Method and Its Application
NHC硅化法及其应用
The NHC is an efficient modifier to make HTPB propellant obtain a high burning-rate of 80 ~ 100 ? mm / s ( 9.8 ? MPa ) .
NHC是使丁羟推进剂获得80~100mm/s(9.8MPa)高燃速的有效调节剂。
The thesis mainly focused on the synthesis of N-heterocyclic carbene ( NHC ) - palladium and rhodium complexes derived from L-proline and their catalytic activity in carbon-carbon bond formations .
本论文主要从天然手性的脯氨酸出发,合成其衍生的氮杂环卡宾(NHC)钯,铑金属络合物,并对这些络合物的催化性能进行了研究。
The intermediate Ni ( 0 ) - NHC generated in situ from Ni ( acac ) 2 and imidazolium effectively catalyzed the carbon-oxygen bond formation in the reaction of aryl halides with alcohols and tert-butyl aryl ether was obtained .
初步研究了镍-氮杂卡宾催化的碳氧偶联反应,探索了以乙酰丙酮镍与咪唑盐原位生成的镍(0)-氮杂卡宾为催化剂的卤代芳烃与醇的偶联反应,得到了碳氧偶联产物叔丁基芳基醚。
The design , synthesis of efficient , high selective M-NHC complexes , especially the NHC ligands or their precursors , is of great importance in the field of organic synthesis , catalysis and organometallic chemistry.In this thesis , reported are the synthesis of a series of multi-dentated precursors of N-heterocyclic carbene C2-symmetric imidazol ( in ) ium salts and their application in the transition metal-catalyzed reactions .
因此,设计、合成开发高效、高选择性、高稳定性的N-杂环卡宾-金属配合物在有机合成化学、催化化学、金属有机化学等领域具有非常重要的意义。本论文合成了一系列多齿具Q对称性的N-杂环卡宾前体咪唑(啉)盐,并研究了它们在过渡金属催化的有机反应中的应用。
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更新时间:2025/5/1 15:16:34