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Through the further research to the theory of the high-accuracy achromatism phase retarders,the changing curve of retardation under the different center refracting rate and different precision are obtained.

通过对高精度消色差相位延迟器理论设计的再研究，分别得到在不同中心折射率下和不同延迟精度下，延迟量随折射率改变的变化曲线。

A remarkable effect to achromatopsia can be obtained by activating the working of the brain by applying pulse waves of a prescribed pattern to the ears and/or the backs of the hands and stimulating directly the brain.

通过向耳朵和/或手背提供脉冲，直接刺激大脑，从而可以激发大脑的活动能力，特别对色盲具有显著效果。

By adjusting the etch time and the concentration of acid in the process, different shapes of the tunnels can be obtained.

在栅极制作过程中通过改变酸液刻蚀的时间和浓度，可以腐蚀出不同形状的小孔。

This paper reviews the preparation and characterization of polymers containing cholic acid obtained by free radical polymerization, polymers modified with cholic acid and polycondensation of cholic acid, etc. The development of polymers containing cholic acid in the future is also forecasted. Contents

本文从自由基聚合形成的含胆酸高分子化合物、胆酸修饰的高分子化合物和胆酸聚合物等几个方面综述了含胆酸高分子化合物的制备和特性，并对胆酸在高分子材料方面的新用途作了展望。

The rate constants of the reaction of α-tocopheroxyl radical with linoleic acid,〓, were determined to be 0.43 and 0.60〓 in SDS and CTAB micelles respectively by using stopped-flow EPR technique, which are in good agreement with the results obtained from the computer simulation.

同时，通过停止-流动的EPR方法我们测定了α-生育酚自由基在SDS与CTAB胶束中与底物亚油酸的反应速率常数〓分别为0.43与0.60〓，与我们通过计算机模拟得到的值比较接近。

Almost 100% selectivity to cyclohexene could be obtained when the molar ratio of acetic acid to cyclohexane was 12.9∶1 at 450 ℃, the conversion of cyclohexane was 6.9%.

反应温度为450 ℃，醋酸与环己烷的摩尔比为12.9∶1时，环己烷的转化率为6.9%，环己烯的选择性为100%。

The temperature has little effect on the retardation of rock/acid reactions and practically the same results are obtained with magnetized a...

探讨了磁化盐酸缓速的机理，并对不同磁场强度和不同温度下磁化盐酸的缓速效果进行了研究。

A process based upon solvent extraction has been developed for the recovery of phosphoric acid from a leaching liquor obtained by decomposition of phosphate rock with sulfuric acid.

本文采用二丁基亚砜作为萃取剂，对于用硫酸分解磷矿而得的粗磷酸进行多级逆流萃取及反萃取，以获得高纯度的磷酸和磷酸盐。

The stable gel was obtained by controlling the amount of citric acid and the pH value.

结果表明，通过控制柠檬酸的用量、溶液的pH值，可以获得稳定的凝胶。

In this degree of roast, only a lesser amount of acidity is obtained.

在这种程度的烧，只获得较低的酸度。

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％。