反应机理推测为丝、苏氨酸的侧链基团羟基在咪唑的存在下亲核进攻磷原子形成五配位中间体。
Only N-phosphoryl serine and threonine methyl esters were catalyzed by imidazole, A new type of pentacoordinate phosphorus intermediate was proposed.
投向脊髓灰质的后索核纤维主要发自核中间腹侧部的大、中型三角、多角和梭形细胞。
The projections of the DFN to the spinal cord originate mainly from large and medium sized cells in the intermediate ventral part in DFN.
对中间体和最终产物螺虫乙酯进行了纯化,采用质谱、核磁氢谱、红外光谱等进行了表征。
Intermediate products and Spirotetramat were purified, and their structures were characterized by MS, 1H NMR and IR.
针对它们存在的问题,提出了一种新的方面化中间件模型——双核中间件模型。
Then, for their common issues, this paper presents a new model on aspectual middleware called dual core middleware model.
关节痛时,他们的大脑中间系统活动增强,包括扣带回皮质、丘脑和杏仁核。
However, during arthritic pain, activity was increased within the medial pain system of the brain, including most of the cingulate cortex, the thalamus, and the amygdala.
综述了乳化剂用量、核、中间层、壳、粒子粒径及粒径分布等对具有核壳结构的丙烯酸酯类共聚物性能的影响。
The quantity of emulsifier, core, middle phase, shell and the size and distribution of the particles affecting the properties of acrylate copolymer (acr) were reviewed with 19references.
方法:用钛合金制成上下盖板,用超高密度聚乙烯制成中间的滑动核。
Methods: The new artificial disc was made of two titanium alloys end plates and one polyethylene slide core.
大多数雄激素非依赖性前列腺癌均高表达AR和核受体辅活化子、如转录中间因子2(TIF-2),ARA24、PIAS、类固醇受体辅活化子-1(SRC-1)等有力地支持了这个假说。
The "superactive AR"hypothesis was supported by the fact that the majority of AIPC expresses high level of AR and nuclear receptor(NR) coactivators, such as TIF-2, ARA24, PIAS, SRC-1.
整装细胞电镜术观察细胞核基质-中间纤维系统的变化。
The structures of nuclear matrix-intermediate fibre system were observed under transmission electron microscope(TEM).
同样的,这是反键轨道,你们看到当你有反键轨道的时候,两个原子核中间的电子密度更小了。
So again, this is an anti-bonding orbital, and what you see is that there is now less electron density between the two nuclei than there was when you had non-bonding.
同样的,这是反键轨道,你们看到当你有反键轨道的时候,两个原子核中间的电子密度更小了。
So again, this is an anti-bonding orbital, and what you see is that there is now less electron density between the two nuclei than there was when you had non-bonding.
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