精密度

In the experiment, it proved that the repetitiveness、 reproducibility、 comparability of the 2.0%(NH_4)_ 2CO_3 was better than the original method through repeated experiments. The result of it was equal to the sum of water soluble sodium and the exchangeable sodium and it had better precision and accuracy. The 2.0%(NH_4)_2CO_3 could be chosen as the probational measurement of total alkality.

在本试验中，通过多批次的重复试验证明，2.0%(NH_4)_2CO_3法的重复性、再现性、可比性良好，测定结果稳定可靠，在数值上等于水溶性钠与交换性钠的总和，而且有较好的精密度和准确度，可以作为测定总碱度的试用方法。

Procaine and penicillin addition recoveries were 101.35% and 100.11%. This method can be used as control methods.

该方法结果准确度高、精密度好，可作为质量标准控制方法。

Theoretical plates of propyl alcohol is 9.9×10^4 plates/m; resolution of ethanol and propyl alcohol is 4.66; RSD of correction factor of relative mass is 1.67% Good linearity with correlation coefficient 0.999 is observed over the range 45.0%~85.0% of ethanol in solvent. The method recovery for ethanol is 100.4% with RSD 1.69%; he RSD of accuracy is 1.74%.

结果：系统实用性实验测得正丙醇理论塔板数为99000，乙醇与正丙醇分离成4.66，相对质量校正因子的变异系数为1.67%；该方法在乙醇百分含量范围45.0%-85.0%内呈良好的线形关系，相关系数为0.999；平均回收率为100.4%， RSD为1.69%；精密度相对标准偏差为1.74%。

Theoretical plates of propyl alcohol is 9.9 ×104 plates/m; resolution of ethanol and propyl alcohol is 4.66; RSD of correction factor of relative mass is 1.67 % Good linearity with correlation coefficient 0.999 is observed over the range 45.0%-85.0%of ethanol in solvent.

结果：系统实用性实验测得正丙醇理论塔板数为99000，乙醇与正丙醇分离度为4.66，相对质量校正因子的变异系数为1.67％；该方法在乙醇百分含量范围45.0％-85.0％内呈良好的线形关系，相关系数为0.999；平均回收率为100.4％，RSD为1.69％；精密度相对标准偏差为1.74％。

RESULTS:The average recovery of quinidine,lidocaine and propafenone was 97.3%, 98.9%, 99.0%,the within day and day to day RSD ranged from 2.11% t...

结果 ：奎尼丁、利多卡因、普罗帕酮平均回收率分别为 97.3%，98.9%，99.0 %，日内日间精密度分别为(2 。11～ 6 。0 1)%，(1.2 5～ 4.35 )%，(1.5 0～ 4.2 7)%。

We have used the ICE-AES instrument produced by Jobin Yvon company and selected suited testing condition. In allusion to the spectral interference of coexist elements in titanium alloys to the analytical lines of Y, Nd, suited analytical lines were selected and reclaimant and precision experiments were achieved.

采用法国Jobin Yvon公司的ICP发射光谱仪并选择了适宜的测试条件，针对钛合金中共存元素对Y、Nd分析谱线的光谱干扰选择了合适的分析谱线并进行了回收实验和精密度实验。

Is a company specializing in high-precision reflow manufacturing company, owns the world's cutting-edge reflow lead-free technology, to provide first-class technology and products.

是一家专门从事高精密度回流焊制造公司，拥有世界上尖端回流焊无铅技术，为企业提供一流的技术和产品。

Its average refrigerative efficiency is about 83%, and the average efficiency of semiconductor humidity remover is about 80%.

湿分是生物繁殖的重要条件之一，也是宜接影响仪器精密度的重要原因之一。

A regression equation was set up,the precision of the method and the recovery rates were measured.

建立回归方程，进行方法精密度测定和加样回收率试验。

The results showed that its maximum relative error of 2.82%, the relative standard deviation of 0.48% when determining the same sample. The method has good veracity and precision.

结果表明，测定样品的最大相对误差为2.82%，重复测定同一样片的相对标准偏差为0.48%，方法的准确性和精密度良好。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。