采用声发射燃速测试方法研究了复合固体推进剂方坯燃速的均匀性。
The homogeneity of certified reference material is studied by acoustic emission method for composite solid propellant burning rate.
由叶轮中心的布料锥体将物料均匀的分配到叶轮的各个发射流道，在发射流道出口，安装有特殊材料制成的耐磨块，可以更换。
The cloth by the impeller center cone will materials uniform assigned to each launch port, impeller in launching nozzle, install a special material made of wear-resisting block, can change.
其主要特征是均匀性掺杂，不仅反映在纳米电子发射材料的微观结构方面，而且表现在第二相的更加均匀分布方面。
The mainly characteristic of it is the high efficiency intermingles and homogeneous. Not only the microstructure but also the second phase is uniform.
用制备发光多孔硅样品的常规电化学方法，在未抛光多晶硅表面，成功地制备出了均匀地发射肉眼可分辨的可见光样品。
Using conventional method of making visible light emitting porous silicon, an emitting sample with even visible light, detected by naked eyes. is prepared on unpolished polycrystal silicon wafer.
研究还证实多孔体的结构越趋细微，越有利于阴极的发射均匀性和耐离子轰击的性能的改善。
The study also illustrates that the finer structure of porous bodies will be beneficial for improving the cathode emission uniformity and resistance to ion bombardment.
分析认为两阴极不同的发射机制及其所特有的材料性质和结构导致其发射电子束均匀性的差异。
It was believed that the different mechanism, characteristics and configuration between the carbon fiber cathode and the stainless steel cathode caused the difference of emission uniformity.
这说明薄膜的发射仍是以点发射的方式进行，只是发射点在薄膜内的分布是均匀的，因此在宏观上表现为均匀、一致的发射特性。
That means the emission is follow the rule of spot emission, and emission spot depended on distribution uniformity in the films, so it showed the macroscopical homogeneous emission characteristics.
岩石是典型的非均匀脆性材料，其内部富含各种缺陷，在受载破裂过程中会产生大量的声发射信号。
Rocks were typical inhomogeneous brittle materials with abundant various deficiencies inside and will generate plenty of acoustic emission signals during damage process under loading.
在双向压缩条件下，研究了一种非均匀断层模型标本在变形过程中的声发射(AE)时空特征。
The spatial and temporal distribution of acoustic emission (AE) during the deformation of samples containing an inhomogeneous fault have been studied under biaxial compression condition.
对阴极温度的不均匀导致的发射电流偏差进行了计算分析，并首次得到了发射电流误差小于5%的阴极丝最小长度的计算公式。
Non uniform temperature distribution causes deviation in emission current, the error of which is less than 5% for the shortest length of diode cathode.
由表面发射激光放大器和检测器组成的光接收器的噪声因任何增益的非均匀性而增加。
The noise of an optical receiver consisting of a surface emitting laser amplifier and a detector is enhanced by any lack of gain uniformity.
目前，场发射阴极材料多种多样，但都存在逸出功大，稳定性及均匀性不理想，发射性能低等方面的问题。
But the material of emitting cathode is mostly present with big escaping power, low reliability, low uniformity and emission capability.
从各种方向几乎完全均匀地发射，形成了所有星星的背景。
And we detect this "cosmic background radiation" coming more or less evenly from all directions, forming a background beyond the stars.
采用反粘的方法制备了碳纳米管阵列底部构成的发射体，提高了其表面均匀性；
We have fabricated a diode emission device with this method. Another kind of conventional CNT cathode is the arrays directly grown on substrate.
本文重点介绍了八通道射频发射线圈的设计方法及其如何改善B1发射场的空间不均匀性，改善图像质量的。
In this paper, we focus on the design method of the RF coil and how to improve the homogeneity of the B1 transmit field and the quality of the image.
该电子发射膜可以在其使发射电流流动时将场强限制为低水平，并且该电子发射膜具有均匀的电子发射特性。
The electron emission film can restrict the field intensity to a low level when it causes an emission current to flow, and has a uniform electron emission characteristic.
实践证明，在覆膜阴极表面构造均匀弥散分布的岛状晶体发射点，可大幅度提高阴极的电子发射性能。
It is proved that electron emission performance of M-type cathodes can be greatly improved by building uniformly dispersed island-shape crystal emission spots.
从样品表面出来的自发发射的空间均匀性似乎与入射光一样。
The space uniformity of spontaneous emitation from the surface of sample is like that of the incident light.
同时，添加剂的加入降低了微粒的表面活性，使低发射率粉体能更均匀地分散在基体聚合物中。
Simultaneously, due to the addition of the additives, the invention reduces the surface activity of particles, so that the low-emissivity powder can be dispersed in the matrix polymer more uniformly.
包括稳定性，均匀性，发射率，校准和漂移。
Includes stability, uniformity, emissivity, calibration and drift.
包括稳定性，均匀性，发射率，校准和漂移。
Includes stability, uniformity, emissivity, calibration and drift.
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