proportional sample

1. Method of Measuring Percentage Elongation after Fracture of Standard Proportional Sample by Non-proportional Sample
   用非比例试样获取比例试样断后伸长率的方法短袜断裂伸长率的测定
2. The results show that there are inverse proportional relationship between full wavelength at half maximum ( FWHM) of the LIV signal and critical sample rate of data acquisition card.
   对信号响应的波形特征进行分析和讨论，实验得出LIV信号半峰全宽与数据采集卡临界采样率成反比例关系。
3. In order to determine the proportional calorific capacity of mixed crude in oil pipeline on time, the author puts forward a method for calculating the proportional calorific capacity of mixed crude by way of using weighted calculation on the calorific capacity data of crude sample.
   为能及时确定输油管道中的混合原油的比热容，笔者提出通过对原始油样热容参数的加权计算来求解混合原油比热容的方法。
4. Results showed that the critical current density for the micro-arc oxidation of aluminum alloy was 0.2 A/ dm~ 2, and the micro-arc oxidation voltage was directly proportional to the sample size.
   结果表明：本工艺条件下，铝合金微弧氧化的临界电流密度为0·2A/dm2；起弧电压随试样面积的增加而呈正比增加；
5. Under a certain magnetic field, the MR of strip sample has a significant form effect, and is proportional to the width-to-length ratio of the strip sample.
   在一定的磁场下，条形样品的磁阻具有显著的形状效应，磁阻和样品的宽长比成正比。
6. We report the principles of scanning capacitance microscope ( SCM) operating at lift mode ( LM). The image contrast is proportional to the capacitance gradient distribution of the sample surface, and the surface capacitance distribution can be calculated at a certain tip sample model.
   分析了升高模式扫描电容显微镜（LMSCM）的工作原理，得出了像的对比度正比于样品表面电容梯度分布，且在一定针尖样品模型下，也可得到样品表面的电容分布。
7. Objective To establish and evaluate a method of serum iron determination using a mordant dye eriochrome azurol B. Methods Iron reacts with eriochrome azurol B and cationic detergent to from a blue ternary complex, which was directly proportional to the iron content of the sample.
   目的建立并探讨媒染剂依来铬天青B测定铁的方法及方法学评价。
8. Random Process theory has proved that when the degree of confidence is fixed, confidence interval length of mathematic expectation is inversely proportional to the square roots of sample points.
   随机过程理论证明：在置信度一定的情况下，数学期望的置信区间长度与样点数呈平方根反比关系。
9. Fourier transform is the elementary method for the analysis of harmonics, which mainly disadvantage is that it exists the spectral leakage and fence effect, its frequency resolution is inversely proportional to the sample data length in asynchronous sampling.
   傅立叶变换是最基本的谐波分析方法，其主要缺点是在非同步采样时存在频谱泄露和栅栏效应，并且频率分辨率与采样数据长度成反比。

noun

1. the population is divided into strata and a random sample is taken from each stratum

   Synonym:    stratified samplerepresentative sample