衰减

They require well collimated light beam. For this, we introduced collimator. The collimator is used for collimating emanative Gaussian beam to obtain almost parallel beam with small emanative angle, or focusing parallel beam into fiber.

在光隔离器、光环形器、光开关、光衰减器、光波分复用器等光器件的工作过程中，对高斯光束的准直性要求非常高，这样就引入了光纤准直器。

Consequently, the improvement of cycle life is described as the partial substitution of Zr for Mg in the alloy.

XRD结构分析表明：主相仍为Mg↓2Ni； Zr替代Mg使合金的微晶结构发生了改变，趋于非晶化；添加Zr的合金的容量比由扩散法合成的合金的容量有所提高；合金中添加Zr，提高了电极的放电容量，增大了放电平台；特别是Zr 对六方晶系Mg2Ni合金结构中Mg的部分取代大幅度提高了电极的循环寿命，未经任何处理的 Mg1.4Zr0.6Ni合金电极经25个循环后，放电容量仅衰减4.11%，表明添加Zr对提高合金的循环寿命具有重要的作用。

The results show that a partial substitution of Co by a small amount of iron, copper and chromium is very effective in improving the electrochemical cycling stability in the La5 Alloy.

贮氢合金La4.60.2Co0.2具有满意的循环稳定性，它在0.2C放电条件下的最大放电容量为296 mAh／g-1，经过300次循环容量衰减仅21.8%。

By means of FTIR and QSSPCD and OPTICAL MICROSCOPE during different thermal process, It is found that the diffusion of hydrogen may passivate the defects/boundaries and it is beneficial to the lifetime of mc-Si.

本文用傅立叶红外光谱仪和准稳态光电导衰减法及光学显微镜等测试方法，采用不同的热处理工艺条件，研究了在氢气氛下退火氢对体缺陷和晶界的钝化作用，有利于少子寿命的提高。

The products include: optical fiber connector , adopter, attenuation, single-mode converter, cramping tool, network cable tester, single port, patch cord, modular plug and distribution cabinet, etc.

产品主要有光纤跳线，适配器，衰减器，光纤连接器，转换器，光缆交接箱，光缆配线箱等等。

It's shown that the measured peak of the tube voltage is close to the set value during the exposure.

认为由于X线机在曝光过程管电压峰值与设定值基本相同，因此各物质在同一曝光条件下的平均数衰减系数基本不变。

In addition, changing soil penetrance, its value is bigger when the wave attenuation is larger.

另外较大之土壤渗透率时，对波浪之衰减亦越大。

Amongleaves of various stalk positions,flag and penult leaf had the highestassimilating capacity.

不同叶位间比较，以旗叶和倒二叶的同化功能最强，占单茎同化量的60％以上，倒三叶以下同化能力迅速衰减。

The principle of modeling the characteristic of the JR jamming and the determination of launching time are discussed. The method of calculating the JR radiation of target and its environmental background and the atmospheric permeance of JR radiation is concluded.

首先分析了目标和背景的红外辐射特性以及红外辐射在大气中的衰减，讨论了干扰弹的建模及投放时刻的确定，总结出目标和背景红外辐射亮度的工程计算方法，大气透过率的工程计算方法。

Improve attenuation and enhance quality enhance perspicuous of video Sun Telecommunication co .

有效改善衰减并提高通信品质提高影像之清晰度。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。