According to the equal speed sampling principle, we obtain the calculating formula for the sampling volume in standard state.
根据等速采样原理，探讨在标准状态下，采样体积的计算公式。
The amount of used reagents and the experimental conditions for sampling volume and coil length were optimized by using the controlled and weighed centroid simplex method.
利用单纯形优化法选择了各种试剂的最佳用量以及采样体积、反应管长的最佳实验条件。
It also described the characteristic of SPE technique, preparing solid absorbents, packing absorbent tubes, breakthrough volume, safe sampling volume, as well as adsorption of SPE.
包括固相萃取的特点，固体吸附剂预处理，装填吸附管，漏点容量，安全采样体积及解吸。
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