cation effect

The effect of acidity on the amination of methanol over non modified, and cation exchanged and steam treated mordenite catalysts has been investigated by Py IR, NH 3 TPD and temperature programmed desorption of the adsorbed products retained on the surface of used catalyst.

用NH3－TPD、Py－IR和催化剂表面吸附产物的程序升温脱附方法，研究了丝光沸石经阳离子和水蒸气改性前后的酸性对甲醇胺化反应性能的影响。

Objective To investigate the therapeutic effect of copper cation electrochemistry therapy on internal hemorrhoid.

目的探讨铜离子电化学法治疗内痔的可行性.

Then we explained the cause for three or four doublets with next nearest neighbor effect and the results calculated in terms of binomial distribution in B site cation.

然后用次近邻效应和B位上阳离子二项式分布计算结果解释了出现3套或4套双峰的原因。

The surface enhanced effect has been observed when the cation dye crystal violet was added to the silver sol. The signal of resonance scattering at 345 nm and 700 nm is enhanced greatly. The sensitive surface enhanced resonance scattering spectra was obtained.

当加入带正电的阳离子染料结晶紫后，产生表面增强效应，345nm和700nm处的共振散射信号大为增强，从而获得灵敏的表面增强共振散射光谱。

Comparing to the Extended Kalman Filter ( EKF), the lo-cation effect is better when the proposed algorithm is applied to the single passive location.

将改良后的UKF滤波算法应用到单站无源定位的测向法中，得到优于The Extended Kalman Filter（EKF）滤波的定位效果，大大提高了定位精度。

The effect of different cation surface active agent on apparent viscosity of HPAM has been studied.

研究了不同的阳离子表面活性剂对部分水解聚丙烯酰胺(pam)液中的表观粘度的影响.

Cation effect of quartz means the displacement of Si1+ by Al3+ in the texture of quartz crystal.

石英的阳离子效应指石英结构中Al~（3+）与Si~（4+）的置换作用。

Cation effect of the gold-carrying quartz and its guide implication to mineralization

载金石英的阳离子效应及其对含矿性的指示意义

Furthermore, other properties of the two separated enzymes such as substrate specificity, cation effect, optimum temperature and pH are characterized. These works can contribute to establish an enzyme catalyze system for 1, 3-propanediol production.

确定了米氏常数、考察了酶的底物专一性，研究了金属离子和温度、pH对酶活力的影响，为建立酶法生产1，3&丙二醇提供了依据。