variation coefficient

This paper focuses on the optimization design of curved stem cranking bar mechanism used single variation parameter ( auxiliary angle) based on the optimum drive angle and maximum itinerary velocity variation coefficient. The method is practical, feasible and can help improve the quality of mechanism design.

利用单变参数（辅助角）按最佳传动角及最大行程速度变化系数对曲柄摇杆机构进行优化设计，提高了机构设计质量，方法实用可行。

According to the whole-field displacement and the strain distribution under seven grade load, two dimension strain changing trend under eccentric load and variation coefficient trend, we can distinguish its linearity and average stress when tiny crack occures.

结果表明：在7级载荷下测试获得全场位移、应变分布及消除加载偏心影响后的二维应变和变异系数变化趋势，可区别其线性、非线性及发生微裂纹贯通阶段的平均应力。

The main test item include: β plat curve, β energy resolution, γ energy resolution, β efficiency and variation coefficient for 168 hours continuously work.

测试项目包括：β坪曲线测量、β能量响应：γ能量响应、β效率刻度和连续工作168小时的变异系数测试。

A comprehensive method using coefficient of variation is suggested for controlling the quality of products, both finished and semifinished, in the cotton spinning industries.

本文拟采用变异系数CV（%）值统一考核与控制棉纺半成品、成品质量，作为尝试。

The result shows that standard deviation is 0.02, coefficient of variation linear correlation is 0.9996.

方法标准偏差为0.02, 变异系数为 0.24% .本方法可适用于霜脲氰及其复配制剂的分析.

An Experimental Research on the Variation Coefficient of Brickwork Strength

砌体强度变异系数的研究

Based on the results of numerous brickwork strength tests in our country and abroad, an empirical formula for calculating the variation coefficient of brickwork strength in terms of variation coefficients of brick and mortar is derived in this paper.

本文根据国内外大量砌体强度数据，提出了由砖和砂浆的变异系数计算砌体强度变异系数的经验公式。

Results The mean variation coefficient of CACD, ACA and ACV measurements were 0.4 %, 3.9 % and 2.6 % respectively.

结果　前房轴深 、 前房夹角、前房容积的平均变异系数分别为04% 、 39%、26%.

The average recoveries and coefficient of variation of fipronil in Chinese cabbage were 91.92 % ～101.64 % and 4.5 % ～6.8 %.

西兰花中平均回收率达到91.92%~101.64%,RSD为4.5%~6.8%.

The variation coefficient of uniformity of a drilling is 6%, which is 2.27% less than the rice bud seed without mixed with dry soil;

拌干土粉芽种的播种量变异系数为6%，比芽种裸籽的播种量变异系数小2.27%；

Further analysis indicated the positive linear correlation between CFE and the variation coefficient of hprt gene.

细胞转化与hprt基因突变相关分析证实,两者之间存在显著的线性正相关关系.

For high nitrogen Cr Si Ni N films in comparison with low nitrogen Cr Si Ni N films, the variation of electrical resistance was smaller during the heat treatment, and the higher annealing temperatures was needed to obtain a small temperature coefficient of resistance ( TCR).

与低氮含量Cr Si Ni N薄膜相比，高氮含量Cr Si Ni N薄膜的电阻值在热处理过程中变化较小、欲获得较小电阻温度系数（TCR）需要更高的退火温度。

Multivariate Process Capability Index Based on Coefficient of Variation

基于差异系数的多元过程能力指数

When the white noise level ( coefficient of variation ) increases to 20 % , the cyclical fish population spasmodic.

在白色噪音水平 ( 变动系数 ) 增加至20%时, 周期型种群变为不稳定型.

The trend analysis of coal thickness shows its distribution regularity on a whole mine field scale, whereas the orientational gradient and variation coefficient in a gliding window are the new parameters used to demonstrate quantitatively the thickness variation of coal seam.

趋势面分析揭示了井田尺度煤厚变化的主体特征；方向梯度和滑动窗口变异系数分析是对煤厚变异性定量描述的一种新参数。

Using regression coefficient method, high steady coefficient method, variation coefficient method and adaptable qualitative parameter method, high-yield, steady-yield and adaptability characters of spring wheat varieties of northeast early-maturing group planted on nonirrigated farmland in 2002 were tested.

运用回归系数法、高稳系数法、变异系数法和适定性参数法对2002年东北春小麦早熟旱地组区域试验各参试品种（系）的丰产性、稳定性及适应性进行分析比较。

In this paper," structure variation coefficient" was introduced to evaluate the changes of microbial consortia structure by the existing detecting methods of microbial consortia.

本文通过对现有的微生物群落结构检测方法进行分析，引入了“结构变异系数”来评价菌群结构变化。

Average diameterof the colloidal gold was 10.7 nm and coefficient variation ( CV ) wasl 4.2 %.

获得的金颗粒平均粒径为10.7nm,变异系数14.2%.

The variation of temperature coefficient of resonator frequency with tolerance factor was discussed.

分析了谐振频率温度系数随容忍因子的变化关系。

The reinforcement measure with less variation coefficient can get more rational appraisal.

变异系数较小的加固措施对边坡稳定性的作用就能得到更为合理的评价，这为边坡防灾工程设计提供了依据。