查询词典 cladding

In this paper,the composition technics and technical requirement of cladding additives of ammonium nitrate are studied.

文章主要对包覆硝酸铵所选用材料的复合工艺及技术要求等进行研究。

An accurate analytic expression of coupling coefficient between two parallel doubly cladding single mode fibers is given in this paper.

本文求得了单模双包层光纤之间耦合系数精确的解析表达式。

Analysis of relation between thermal expansion coefficient of cladding and stress birefringence of optical waveguide.

硅基二氧化硅波导的应力和偏振相关性的数值分析。

The cladding layers are composed by ternary boride based hard phase and binder phase of α-Fe.

四种硬质覆层材料的硬质覆层都是由硬质相三元硼化物和粘结相体心立方α铁组成。

The impact of the bending radius and operating wavelength on the bending loss of monomode fibers is discussed and the macrobend loss model compared with the conventional core-infinite cladding model,which indicates that the cladding of the monomode fiber has an evident effect on the bend loss.

文章还讨论了弯曲半径及工作波长与单模光纤弯曲损耗之间的关系，并把这种关系与传统的弯曲损耗模型进行了比较，比较结果表明，单模光纤包层对弯曲损耗有很大的影响。

ZEDs, for instance, use whatever local materials are available for cladding e.g. local bricks, painted render or timber cladding

例如，ZED使用任何可以利用的当地材料来做覆面（例如，当地的砖石，粉刷和木质覆面

The EIM was introduced at first. By solving the scalar wave equation within cladding of TIR-PCF, the fundamental space-filling mode and the effective index of the cladding were calculated. The logical effective radius was selected, and the propagation properties of TIR-PCF were discussed with the classical theory of step-index fiber.

深入研究了有效折射率模型的构造，通过求解标量波动方程得到了光子晶体光纤包层基空间填充模，得出光子晶体光纤的包层有效折射率；选择了较合理的有效半径，利用经典的阶跃光纤理论来研究光子晶体光纤的传输特性。

Then twokind of circle double cladding structure are studied. The relationship betweenefficiency of pump power absorption and double cladding structure is given.

分析了两种圆形的双包层结构，即同心双包层结构和偏心双包层结构得出了泵浦光吸收效率同结构尺寸的关系。

Squaredouble cladding structure has higher efficiency than circle double cladding structure.

正方形包层结构同圆形结构相比有更高的泵浦光吸收效率。

Laser Cladding Rapid Forming is a new developed technology on the basis of laser cladding and rapid forming in the recent years. In LCRF the substrate and the metallic powder fed synchronously are melt by laser beam and the metallurgical combination is formed, then the compact part with regular figures is manufactured layer by layer on the substrate. LCRF has some special advantages, such as high integration, high production efficiency, wide range of processable materials, no pollution to the environment and so on.

激光熔覆快速成形技术是近年来在激光熔覆技术和快速成形技术的基础上发展起来的一种新技术，通过激光熔化基体和同步送来的粉末，使粉末和基体形成冶金结合，并且在基体上堆积成有规则形状的致密的零件，具有集成度高、生产效率高、柔性好、可加工材料广泛、不污染环境等优点，因此受到了越来越广泛的关注。

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。