Objective To establish a rapid method having great capability for enrichment and anti-interference, higher sensitivity and good precision for determination of trace silver in drinking water.
目的建立一种富集能力强、分析灵敏度高、抗干扰能力强、精密度好、快速的测定饮用水中微量银的方法。
On the other hand, the precision gravity model is important guarantees for obtaining high precision orbiting results using the dynamic or reduced-dynamic orbit determination method.
低轨重力卫星轨道的精确确定是获得精密地球重力场模型的前提，而精密重力场模型又是获得高精度定轨结果的保证。
This method has high sensitivity, accuracy, precision and lower limits of detection, can satisfy the requirement of determination of Arsenic and Stannum simultaneously with less time and effort.
该方法具有较高灵敏度、准确度、精密度和较低的检出限，能够满足样品中砷和锡同时测定的要求，省时、省力。
This method has the advantages of convenient operation, time saving, and high accuracy and precision, suitable for the determination of the urea content in slow-release urea.
该法具有操作简便、省时、准确度高、精密度好等优点，适合于测定缓释尿素中的尿素含量。
Against the big error of height determination for the reentry vehicle because of the information provided by low precision geomagnetic sensor, a novel real-time prediction method is proposed.
针对于目前地磁传感器测量精度较低，将其信息直接用于飞行器再入段定高误差较大的问题，提出了一种在线预测进行定高的方法。
MethodEstimate thin-layer chromatogram scan method in determination of panaxdiol by linear relation test, stability test, precision test, repeatability test, recovery test and so on.
方法通过线性关系考察、稳定性试验、精密度试验、重现性试验、回收率试验等进行方法学考察来评价薄层扫描法测定人参二醇的可行性。
This method is characterized by low determination limit, high precision, easy operation, high speed and wide range of determination being a ideal method for determining uranium content in ore samples.
该方法检出限低，精密度高，操作简单，分析速度快，测定范围宽，是测定铀含量的较理想的方法。
The effective factor of determination COD in wastewater by using spectrophotometry has been analysed. The experimental condition, precision and accuracy of this method are determined.
对影响分光光度法测废水中COD的因素进行研究，确定方法的操作条件并进行验证。
The effective factor of determination COD in wastewater by using spectrophotometry has been analysed. The experimental condition, precision and accuracy of this method are determined.
对影响分光光度法测废水中COD的因素进行研究，确定方法的操作条件并进行验证。
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