查询词典 retardance

The influence of laser central wavelength variation, polarizer angle error, wave plate phase retardance and angle errors on the whole system is analyzed.

分析了激光器中心波长变动、偏振片的角度误差和波片的相位延迟及角度误差对整个系统的影响。

It makes best use of the feature of PVC, and has a good flame retardance and antistatic.

这种产品充分发挥了PVC材料自身的优良特性，有着良好的阻燃及抗静电性能，满足煤矿安全要求，是代替金属、玻璃钢以及其他材料抽放管道的理想产品。

Product characteristics : 1, excellent heat resistance : can adapt to the use of power lines due process overload and short circuit of the high temperature; 2, excellent electrical properties : material for the performance of their higher intensity and volume resistivity of insulation, security is good; 3. excellent corrosion resistance and anti-aging properties : apply to the soil and working environment, long life; 4. excellent flame retardance : difficult combustion; 5, smooth wall formation, the friction coefficient, good wear resistance : in the installation process can greatly reduce the damage to power lines, improve work efficiency; with the traditional asbestos cement pipes, the The product is light weight, good flexibility, earthquake-resistant and differential settlement, and not at the construction site encapsulation pouring concrete; Transport construction is simple, low cost, can greatly shorten the construction period.

产品特点： 1、优良的耐热性能：能适应电力电缆使用过程因过载短路而产生的高温； 2、优良的电气性能：材料自身表现为较高绝缘强度和体积电阻率，安全性好； 3、优异的耐腐蚀性能和抗老化性能：适用于各种土壤和工作环境，使用寿命长； 4、优良的阻燃性能：不易燃烧； 5、内壁光滑平整、摩擦系数小，耐磨性能好：在敷设过程中可大大降低对电缆的损害，提高工作效率；与传统的石棉水泥管相比，产品的重量轻、柔性好、抗震性及抗不均匀沉降好，无须在施工现场包封浇混凝土；运输施工简便，费用低，可大大缩短工期。

Excellent flame retardance : difficult combustion; 5, smooth wall formation, the friction coefficient, good wear resistance : in the installation process can greatly reduce the damage to power lines, improve work efficiency; with the traditional asbestos cement pipes, the The product is light weight, good flexibility, earthquake-resistant and differential settlement, and not at the construction site encapsulation pouring concrete; Transport construction is simple, low cost, can greatly shorten the construction period.

优异的耐腐蚀性能和抗老化性能：适用于各种土壤和工作环境，使用寿命长

Here it is indicated that the retardance of diffusion process is the cause of"overshoot".

这里说明扩散的瞬态过程引起的滞后是引起"超调"的必要条件。

It is studied the synthetic conditions of phosphoryl amic type P-N intumescent flame retardant from bisphenol A and phosphorus oxychloride and melamine. And the fire retardance of P-N intumescent flame retardant on poplar wood were studied by thermogravimetric analysis and burning test.

研究了以双酚A、三氯氧磷和三聚氰胺为原料合成磷酰胺类磷氮系膨胀型阻燃剂的反应条件，并用热重分析和灼烧实验方法初步研究了它对杨木粉的阻燃特性。

The effects of flame retardant and toughening agent on mechanical properties and flame retardance of composite were studied.

随着合成材料在各个领域的应用越来越广泛，对材料的阻燃性能要求也越来越高。

Twenty-five percent of Shen Feng Jing started its retardance on Indian bullfrog's nerve conduction in 4 min after giving medicine while only 2 min for 50%( P .05), and the retardative effect strengthened with the time.

25％ 的神蜂精溶液在给药后4m in 对蛙坐骨神经动作电位的传导开始有明显的阻滞作用（P＜ 0.05）； 50％以上神蜂精溶液在2m in 内就开始有显著阻滞作用（P＜ 0.05），并随给药时间推移，阻滞作用不断加强，表现出明显的时程效应。

The flame retardance and rheological properties of the composite were studied by using oxygen index meter and capillary rheometer.

采用氧指数仪和毛细管流变仪测试了复合材料的阻燃与流变性能。

Because the variation of the light source and other errors related to light intensity are not so critical for the measurement in this system and some 1/4λ wave-plates affect on the other wavelengths is very little, the retardance can be measured in high accuracy and high repeatability. In principles, the system accuracy can measure any retardance, and can be used in characteristic spectrum analysis of other phase retarders.

由于此系统可忽略光强的波动及与光强有关的误差，且1/4λ波片对多波长测试误差的影响很小，故其有很高的精度和可靠性，可以测试其精度范围内的任意小延迟量，亦可对其他光学相位延迟器件进行光谱分析。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。