查询词典 si

This paper first stated the hydrolysis law of organochlorosilane and the effect of various R/Si and ph/R on the properties of propolymer,there showed the mathematical calcu- lation method and computer progrom of the every monomer amount to synthetize propolymer, and provided the necessary theortical basis and quantitive calculation equation for the syn- thetise,In addition,the co-existing structure model of linear and trapezoid was put forward on the analysis of prepolymer micro-structure,which laid a found...

本文阐述了有机氯硅烷单体的水解规律及不同R/Si和ph/R值对预聚体性能的影响，在此基础上，提出了合成预聚体所需各单体用量的数学计算方法和计算机计算的程序，为合成提供了必要的理论依据和定量的计算公式。此外，文章在剖析预聚体微观结构的基础上，提出了线型与梯型结构并存的结构模型，为进一步更深入地认识预聚体的性能奠定了理论基础。

Based on the Miedema formation heat model for binary alloy and the Toop asymmetric geometrical model,the excess free energy,formation heat,excess entropy and the interactive coefficients of activity among all components of Si-Ca-Ba ternary alloy melts were calculated thermodynamically at

根据Miedema二元合金生成热模型和Toop非对称几何模型，对1 873 K时Si-Ca-Ba三元合金熔体过剩自由能、生成热、过剩熵以及各组元间的活度交互作用系数等热力学性质进行了计算。

Based on the Miedema formation heat model for binary alloy and the Toop asymmetric geometrical model, the excess free energy, formation heat, excess entropy and the interactive coefficients of activity among all components of Si-Ca-Ba ternary alloy melts were calculated thermodynamically at 1873K.

根据Miedema二元合金生成热模型和Toop非对称几何模型，对1873K时Si-Ca-Ba三元合金熔体过剩自由能、生成热、过剩熵以及各组元间的活度交互作用系数等热力学性质进行了计算。

The dispersion behavior of Si〓N〓 nanopowders in N-N-dimethylformamide was studied, and triethanolamine was selected as a dispersant.

对激光法纳米Si〓N〓在二甲基甲酰胺中的分散行为进行了研究并找到了合适的分散剂三乙醇胺。

Strained Si PMOSFET with Polycrystalline SiGe gate can enhance its performance for improvement of carrier mobility and turnable threshold voltage without impurity scattering to carrier.

应变Si pMOSFET以多晶SiGe做栅，既能提高空穴的迁移率，又能调节器件阈值电压而不会对载流子引入杂质散射，因而提高了器件性能。

Many attempts are studied to improve the unlubricated friction and wear of SiC-Si.

研究了多种改善SiC-Si干摩擦磨损性能的途径，得到一些有意义结果。

SI can inhibit vasomotion in vaso-dilation status, but its mechanism is not mediated by endogenous NO.

血管运动得以恢复；在SI的有效作用时间内应用L—NMMA则不能使处于舒张状态的血管收缩。

A blond-haired boy approached me at the playground and said,"Tahw si ruoy eman?"

在运动场上，一个金发男孩走近我说，'Tahw si ruoy eman？

The results are well explained by assuming that the interband transition process dominates the TCS spectra on semiconductors with indirect band gap, such as Si and GaP, and agree with the theoretical and experimental results ever published basically.

假设在诸如Si和GaP等具有间接能隙的半导体的TCS谱中、带间跃迁是引起谱线变化的主要原因，则上述结果得到了很好的解释，它们也与已发表的实验和理论结果基本相符。

In theoretical analysis, both of 1/f noise and these failure can be attributed to the same defects, such as oxid traps, dislocation and metallic impurity in p-n junction, and weak-bond states near Si/SiO〓 interface etc.

理论分析表明，1/f噪声与这些失效模式可归因于相同的潜在缺陷，如氧化层陷阱、p-n结耗尽区内的位错和重金属杂质、Si-SiO〓界面附近的弱结合键态等。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。