1) neutral radical
中性基团
1.
In this paper are reported the findings of the relative abundance ratio of SiH2radical and SiH3 radical at low pressure and small discharge power by means of the in-stallation of a quadrupole mass spectrometer on the plasma chemical vapor deposition(PCVD) system for performlng in-line probing of neutral radicals in the course of silaneradio-frequency glow discharge while preparing a-Si: H films.
本文报道了采用四极质谱计实现在PCVD系统中对制备a－Si：H薄膜时的硅烷射频辉光放电中性基团的在线测量。
2) Neutral radicals
中性基团
1.
The experimental results demonstrate that the densities of the neutral radicals have the peak value near the middle position of electrodes, and the densities of SiH_2 and SiH_3 are higher than those of Si and.
SiH_4的消耗率是计算中性基团的关键参量,一种线性拟合的方法被提出来计算SiH_4的消耗率。
3) neutral cluster
中性团簇
1.
By energy orderings and frequency analysis,a cyclic structure was found for the stable equilibrium conformation of neutral cluster while a linear structure was found for the stable equilibrium conformation of anionic cluster.
通过经验势得到NH3(H2O)2团簇的十四种初始构型,在HF/6-31+G(d,p)水平上分别对中性团簇和负电团簇进行结构优化,对稳定结构在B3LYP/6-31+G(d,p)水平上继续优化,通过能量比较和频率计算,确定中性团簇稳定构型为环状结构,而负电团簇稳定构型为近似线形结构。
4) polar group
极性基团
1.
Surface modifiers with different polar groups,such as,stearic acid diethanolamine,di(β-ethoxyl) stearamine and dioctyl dithiophosphoric acid diethanolamine,were used to prepare three kinds of LaF3 nanoparticles in the mixture solvent of water-ethanol.
以不同极性基团的十八酸二乙醇胺、双β羟乙基十八胺及二辛基二硫代磷酸二乙醇胺为表面修饰剂,在醇-水体系中制备了3种纳米氟化镧粒子,通过透射电镜(TEM)及热重仪(TG)研究了纳米氟化镧粒子的形貌及表面修饰情况,采用离心沉降法考察了纳米粒子在基础油中的分散稳定性,用四球机考察了它们的摩擦学性能,最后采用扫描电子显微镜(SEM)和俄歇电子能谱仪(AES)分析了磨痕表面。
2.
This paper synthesized a kind of oil-solubility viscosity reducer including polar groups and surfaceactive groups.
合成了一种集较强极性基团和表面活性基团为一体的油溶性降黏剂。
3.
At present,pepole often get electrorheological materials with high shear stress by introducting polar groups to inorganic materials,but the effect of content of polar groups and the existence of them on the electrorheological effect are still unclear.
极性分子修饰无机粒子是制备高剪切力电流变材料的常用方法,但目前还未弄清极性基团的存在方式和数量对电流变性能的影响;悬浮粒子粒径大小对巨电流变材料与传统电流变材料性能影响上的显著差异也成为电流变材料领域研究的热点。
5) group polarity
基团极性
6) active radical
活性基团
1.
And the number of the active radicals on the surface of IAMM was measured,the number of surface active radicals was 4.
采用反相悬浮包埋法制备了以纳米铁粉为磁核、琼脂糖为壳层的铁琼脂糖磁性微球,其磁响应性比以四氧化三铁为磁核的琼脂糖磁性微球好得多;并对不同粒径的琼脂糖磁性微球表面的活性基团进行了测定,粒径为8。
补充资料：Re基团
分子式：
CAS号：
性质： 处于对映异位和非对映异位的两个相同的基团(或原子)，命名方法规定欲定义基团的序数高于未定义的基团，然后按次序规则视欲定义基团所处排列方向，若处于顺时针方向则为Re基团，处于逆时针方向则为Si基团(Si group)。
CAS号：
性质： 处于对映异位和非对映异位的两个相同的基团(或原子)，命名方法规定欲定义基团的序数高于未定义的基团，然后按次序规则视欲定义基团所处排列方向，若处于顺时针方向则为Re基团，处于逆时针方向则为Si基团(Si group)。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条