极化

It is shown that the SCC under the open circuit potential condition is of a strain generated active path corrosion type, and under the cathodically polarized condition is of a hydrogen embrittlement type.

试验结果表明：在开路电位的条件下，SCC为塑性变形控制的活性通道溶解型，K_随着σ_s的升高而升高；而在-1400mv恒电位阴极极化条件下，SCC为氢脆型，K_则随着σ_s的升高而急剧下降。

Quite difference was observed by surface photovoltage spectrograph between the original and the cathodically polarized WO〓 thin films, which supported above result.

表面光电压谱表明极化处理后的WO〓薄膜与初始薄膜之间在表面态密度分布方面存在显著差别。

The stress corrosion cracking susceptibility of steel 34CrNi3Mo with different yield strength grades in 30% NaOH aqueous solution at 80℃ has been examined by the measurement of their K_ either at open circuit potential (-1050mV) or cathodically polarized at-1400mV.

通过不同强度等级的34CrNi3Mo钢在80℃，30％NaOH水溶液中开路电位(-1050mv)及-1400mv恒电位阴极极化条件下K_的测定，探讨强度对低合金钢SCC敏感性的影响。

The original WO〓 film showed no response to the visible-light excitation. However, VLP was observed from WO〓 thin-film after it had been cathodically polarized in KNO〓/propylene carbonate solution.

初始薄膜对可见光照射没有反应，但将其在KNO〓/碳酸丙烯酯电解质溶液中进行阴极极化产生微弱变色后，则会产生强烈响应，变为深蓝色。

The centrosymmetric molecules are theoretically studied using VB-4CT model and the effect of broken symmetry on first hyperpolarizability is discussed.

利用VB-4CT模型作理论研究中心对称分子并讨论对称性破坏对一阶超极化率的效应。

The mechanism is applied to explain the exceptional high first hyperpolarizability of furan-containing [2.2]cyclophan-diene, which has centrosymmetric chromophores.

这机制被用来解释拥有中心对称发光团的 furan-containing [2，2]-cyclophandiene 具有异常高的一阶超极化率。

Cerium dioxide ultrafine powder is prepared by electrochemical method using composite coating of In-Ru-Ir as anode,cerous nitrate and ammonium nitrate as electrolyte.

以钛基钌-钇-铑涂层电极作为阳极，硝酸铈和硝酸铵作为电解液，电化学法制备二氧化铈超细粉体，用X射线衍射和透射电镜进行了表征，制备条件用正交实验设计进行优化；通过极化曲线，计算了电极过程动力学参数

In these compounds thiourea、sodium thiocyanate storage tanks、propiolic alcohol and cetyl pyridinium bormide are selected as research objects.

通过吸附理论和电化学极化曲线研究它们在5%氢氟酸介质中对不锈钢的缓蚀作用，分析缓蚀作用的机理。

We found depolarization of plasma membrane induced vesicle fusion and transmitter release without the involvement of calcium in rat DRG neurons, but not in adrenal chromaffin cells.

我们对一种感觉神经元的研究发现，细胞膜的去极化可以在没有钙离子的参与下直接触发细胞的递质分泌，这种非Ca〓现象在肾上腺嗜铬细胞上不存在。

The design of wideband circularly polarized printed antenna is an important issue of antenna research recently.

宽频圆极化的印刷天线设计是当前天线研究的重点之一。

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％。