将储备液在冰箱中冷藏并在指定的时间内使用。
Store in a refrigerator, and use within the period indicated.
该程序也应包括分析物在储备液中的稳定性的评估。
The procedure should also include an evaluation of analyte stability in stock solution.
如果储备液是在相关时期冷藏或冷冻的，稳定性应记录。
If the stock solutions are refrigerated or frozen for the relevant period, the stability should be documented.
药物和内标的储备液稳定性应在室温下至少6小时评估。
The stability of stock solutions of drug and the internal standard should be evaluated at room temperature for at least 6 hours.
用于稳定性评估的分析物储备液应使用适当的已知浓度的溶剂制备。
Stock solutions of the analyte for stability evaluation should be prepared in an appropriate solvent at known concentrations.
当千斤顶需要下降时，一个带锭子的针型阀门被放松来使液体通过圆筒流回储备液箱。
A needle valve with a threaded spindle is unscrewed to open a passage for the liquid to escape to the reservoir from the cylinder when the jack is required to be lowered.
当千斤顶需要下降时，一个带锭子的针型阀门被放松来使液体通过圆筒流回储备液箱。
A needle valve with a threaded spindle is unscrewed to open a passage for the liquid to escape to the reservoir from the cylinder when the jack is required to be lowered.
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