查询词典 retarders

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 compensation method with retarders is presented, and trigonal sensor head with signal layer optical path is designed as well.

利用波片特性，提出波片补偿法，设计了三角形单层光路传感头结构。

There existed dual-critical effect of such organic retarders as sucrose and citrin on cement hydration. First, when the amount was relatively low, cement hydration was delayed. While the amount was comparatively high, initial hydration of cement was accelerated, but paste was not hardened after a long time. Second, there existed a critical amount.

蔗糖、柠檬酸对水泥水化历程的调控作用存在双临界效应：一、在掺量较低时，表现为缓凝效果，当掺量较大时，则表现为促凝作用，但是浆体长时间不硬化；二、缓凝效果存在临界掺量值，低于临界值时，缓凝效果随掺量增加而增加，超过此临界值时，缓凝效果随掺量增加而下降。

Industrial bromine: Use in dyesturr, medicine and for preparing flame-retarders and fire-extinguishing agents, etc.

工业溴：用于染料、医药和制取阻燃剂、灭火剂等。1981年获中华人民共和国国家银质奖。

Stop retarders are used at the tail of hump shunting yard instead of putting skates on the tracks and operating the hand brake by men for stopping railway cars and preventing railway cars from running off.

宝丰车站调车场尾部应用停车顶代替人工上鞋和拧手闸使车辆停车防溜，文章详细介绍了停车顶布顶数的确定、布顶位置和布顶方式及安装停车顶以后的使用效果

So, this paper designed a test system who can inspect the eddy current retarders performance.

基于上述需求，本文研制出一种能够测试电涡流缓速器性能的系统。

This paper introduces the experience of maintenance and management of speed control system of boosters and retarders in the Nanjing-East marshalling station and puts forward the period of overhaul and scrap for booster and retarders,combinging maintenance practice for many years.

文章介绍了南京东站加速顶、减速顶调速系统的维修和管理经验，并结合多年来的维修实践，提出了加速顶和减速顶的大修和报废周期。

The result indicates that retarders are more sensitive to variations in the input angle of incidence with refractive index increasing, so the higher refractive index material should be avoided in designing retarders .

结果表明，随着折射率的增加，器件对入射角的变化更加灵敏，因此设计器件时应尽量避免选择高折射率材料。

The fitting function is established based on the characteristics of the retarders,and the retardations of all wavelengths and all voltages in the working condition of the retarders are obtained by the least-square curve fitting.

根据延迟器件的特性，建立了相位延迟的拟合函数公式，采用最小二乘曲线拟合的方法得到了延迟器件工作范围内全部波长、全部电压值下的相位延迟，曲线拟合的标准差＜0.02λ。

By testing hydration rate and hydration temperature at different times,the effect of the retarders on the hydration process of calcined gypsum was studied,and by analyzing morphology and pore structure,the effect of the retarders on the microstructure of gypsum was also studied.

测定柠檬酸、聚合磷酸钠、骨胶3类缓凝剂对石膏性能的影响，通过不同水化时间的水化率和水化温度测定，研究了缓凝剂对建筑石膏水化过程的影响，采用SEM形貌分析和压汞法孔结构分析研究缓凝剂对石膏硬化体微结构的影响。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。