精密度

The sample was extracted with carbon bisulfide, and the extraction was injected into the GC system for analysis after dehydration by sodium sulfate anhydrite.

水样用二硫化碳萃取，萃取液经无水硫酸钠脱水后在适宜的色谱条件下进样分析，5种氯苯类化合物的回收率为92.3%~102.5%，精密度为

In the determination of methyl acrylate,butyl acrylate and methyl methacrylate in ambient air,the sample was absorbed with active carbon and resolved with carbon bisulfide,and then determined by GC.

测定环境空气中的丙烯酸甲酯、丙烯酸丁酯和甲基丙烯酸甲酯时，气样采用活性炭吸附，用二硫化碳解析，直接进气相色谱仪检测，根据保留时间定性，外标法定量，能获得良好的线性和较低的方法检出限，不仅精密度、灵敏度和重复性良好，而且可操作性强，易于在环境监测系统中推广。

In the determination of methyl acrylate,butyl acrylate and methyl methacrylate in ambient air,the sample was absorbed with active carbon and resolved with carbon bisulfide,and then determined by GC.After the qulitation by retention time and quantitation by external standard method,the good linearity and low detection limit were got.

测定环境空气中的丙烯酸甲酯、丙烯酸丁酯和甲基丙烯酸甲酯时，气样采用活性炭吸附，用二硫化碳解析，直接进气相色谱仪检测，根据保留时间定性，外标法定量，能获得良好的线性和较低的方法检出限，不仅精密度、灵敏度和重复性良好，而且可操作性强，易于在环境监测系统中推广。

The method has better accuracy and recovery and is suitable for determining pyrethoid pesticides in celery cabbage.

该法具有较高的精密度和灵敏度，且操作简单、分析速度快，可作为一种经济实用的分析方法应用于大白菜中拟除虫菊酯农药残留的常规检测。

Our company is specialized in the production of high-precision single-and double-and multi-layer circuit board of the professional manufacturers.

本公司是一家专业生产高精密度单双及多层线路板的专业厂家。

Both methods resulted in good clinician accuracy and precision, suggesting that both can be performed accurately.

两个方法都能够获得很好的临川准确性和精密度，这表明两者都可以得到正确地应用。

The results showed that the correlation coefficient of the determination was 0.999 (between 0.0094～110 mg/mL for glucose and between 0.031～62.34 mg/mL for xylose).

结果表明，葡萄糖在0.0094～110 mg/mL范围内，木糖在0.031～62.34 mg/mL内标准曲线相关系数均为0.999，精密度高(以木糖和葡萄糖的相对标准偏差分别为0.54 %和0.66 %)。

This method is simple,rapid and of satisfactory precision and accuracy as evidenced by coefficient of variation 1.92% and porcentage recovery

该法较为简便、快速，具有较高的精密度和准确度，测定值的变异系数为1.92％，加标回收率为96.2％－103.0％。

Its collet chuck is used PaLuoSi club products, long use, also has good abrasion resistance and can keep the precision.

其夹头用的是瑞士帕罗斯社的产品，长时间使用时，也有很好的耐磨耗性并能保持精密度。

The comparison of the method and the national standard is done.The results show that the precision and accuracy ...

结果表明：该方法的精密度及准确度均能达到要求，对水样的测定与标准方法对比具有很高的准确度。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。