查询词典 retardation

The theory and experiment show that the most important feature of this composite compensator is its achromaticity in a certain spectral range. the compensator can be used to polychromatic light because its retardation is independent of wavelength.

本文在复合式补偿器研究基础上，进一步从理论和实验上证明了该补偿器不仅具有相位补偿性能，而且在一定的光谱范围内满足消色差性能，削弱了延迟量对波长的依赖关系，适合于复色光使用。

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。

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。

Use additional code, if desired, to identify any associated medical condition and mental retardation.

如果有需要，使用附码来辨识任何相关的身体疾病和智能不足。

This study probed adaptive behavior in children with mild and moderate mental retardation aged from 4 to 12 years .

本研究深入探讨了4—12岁的中、轻度弱智儿童适应行为特点，并为弱智儿童适应行为培养提供了若干建议。

The experimental psychology of mental retardation, 231-322, Chicago: Aldine.

蓝璋琛 (1991)，自我教导法在启智班数学教学上的应用，特教园丁， 7(1)， 6-8。

In this paper, the flame retardation of Amatol, TNT, explosive B, RDX, HMX and plastic bonding explosives manufactured from them are discussed. Several explosives with satisfied flame retardancy and explosion performances were obtained for the first time. Alloy bath method, improved hot wire test and flame test are employed to evaluate fire retardancy of fire retarded explosives.

本文研究了AMATOL炸药，TNT，B炸药，RDX和HMX也涉及到了一部分塑料粘结炸药的阻燃处理，首次制得了具有较好阻燃性能而且能基本保持炸药原有爆炸性能的阻燃炸药，首次采用了合金浴升温实验，改进了热丝实验和火焰测试方法并用以上方法来评价阻燃炸药的阻燃性能。

Huiling mental retardation service center is a national nonprofit institution for serving amentia adults who are at the age of 16 to 40 to foster their independent living movements so as to enjoy the happiness of sociality, entertainment, training and obtain employment as normal persons.

慧灵智障服务中心是一家全国性的，专门服务于16—40岁成人智障人士的非营利机构，培养智障人士的独立生活能力，让他们象普通人一样享受社交、娱乐、培训和就业的快乐。

This ellipsometric method does not need to rotate the sample azimuthally. The physical parameters of sample are measured under various linear polarized lights through the numerical fitting to its theoretical model. In addition to the orientation of the first layer of nematic liquid crystal is considered, the total phase retardation and twist angle of twist Nematic Liquid Crystal cell are the physical parameters measured by this method.

本论文以椭圆偏极术为基础，在不需转动样本方位角的情况下，以不同偏振方向的线性偏振光入射样本，藉由出射光偏振态的变化，用数值方法拟合出样本矩阵模型参数；我们所量测的样本为扭转式液晶盒，其矩阵模型包含了三个参数：总相位延迟、扭转角及第一层液晶锚定方向。

Material retardation is getting more and more important in antidumping law.

实质性阻碍在反倾销法中占有越来越重要的地位。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。