Keeping the food retention samples for banquet and event.
为大型宴会做食品留样记录。
How do you keep your retention samples of raw materials and finished products?
您怎样保存原料和成品的留样？
The management of retention samples is an important part in institute for drug control.
检品留样管理是实验室管理的重要组成部分。
Retention samples must be visually examined periodically, if required by local regulations or by regulations in the intended market.
留样必须进行定期目检，如果当地法规或预期市场规程要求。
The laboratory retains all samples for a month, clients must pay the fees if need to lengthen the retention deadline.
所有样品本实验室保留一个月，如需延长保留期限，本实验室将收取存储费。
By calculating the relative retention times of certain peaks with chlorogenic acid as the reference standard, 8 common peaks in the samples were analyzed.
以标准品绿原酸进行定位，通过对图谱分析和相对保留时间计算，确定了8个共有峰。
Liquid-Liquid Extraction is a typical and traditional method of preparation that deals with complicated samples. Now it is still used in 70% retention analyses of pesticides.
液液萃取技术是一种成熟的复杂样品预处理技术，大约70%的农药残留分析现在仍采用它进行样品预处理。
Whereas the remaining 12 samples, such as the retention pin and pivot pin, showed obvious artifacts.
牙用固位钉、椿钉等12件试样有严重伪影。
After 25 cycles, capacity retention of samples prepared by two-step method at 1C and 2C increased by 1.1 and 0.8 percentage points in samples prepared by one-step method , respectively.
两步法所制备样品的1C和2C循环25次后容量保持率比一步法所制备样品的1C和2C容量保持率分别提高了1.1和0.8个百分点。
The effects of the types of the mobile phase on the retention behaviour of metronidazole, amoxicillin and the other components in the samples were investigated.
考察了不同流动相下两主药的色谱行为、供试品溶媒对甲硝唑和阿莫西林稳定性的影响情况。
The effects of the types of the mobile phase on the retention behaviour of metronidazole, amoxicillin and the other components in the samples were investigated.
考察了不同流动相下两主药的色谱行为、供试品溶媒对甲硝唑和阿莫西林稳定性的影响情况。
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