retention time是什么意思

网络释义

用法例句

RP-HPLC method for calibrating the error of retention time of MTX;

RP-HPLC进行甲氨蝶呤血药浓度监测时保留时间校准方法研究

Experiments showed that retention time of aniline was shortened with the increase of the concentration of methanol and chromatogram was improved along with the change of pH by the choice of suitable separated conditions,the optimum concentration of methanol was 30% and the optimum pH was 4.

应用HPLC法对等离子体降解联苯胺的中间产物进行了分析,在254nm下检测到了对氨基苯酚,苯胺,联苯胺,苯酚,甲酸,草酸和丙二酸等中间产物;通过分离条件的优化选择,表明流动相中甲醇的比例增大,苯胺的保留时间明显缩短,峰形改善。

By using multiple linear regression (MLR) method,the correlation relationship between the boiling point and the retention time on column with different polarity are studied for the volatile organic reagents with diverse structural groups.

根据不同结构基团的挥发性有机试剂在不同极性气相色谱柱上的保留行为,用多元线性回归(MLR)方法,建立了挥发性有机试剂沸点与不同极性色谱柱上保留时间之间的关系模型,并根据各模型相关系数与概率值定量说明了模型中不同参数引入时的统计意义。

We calculate the residence time and environmental capacity of Cd element in the soil-water-paddy-atmosphere system.

根据马尔可夫链模型,定量地探讨了湖南省洞庭湖区农田生态系统中Cd的迁移转化问题,计算了Cd在土壤-水-稻谷-大气系统中的滞留时间和环境允许量,进而探讨了系统的生态承载力,得到系统中Cd的最大允许排放量CdA与生态承载力M人口之间的关系式:CdA=3。

The infiltration of carbon fiber preforms was studied by microwave pyrolysis chemical vapor infiltration technique,CH_4 as the carbon source gas,and N_2 as diluent gas,at 1100℃and methane partial pressure of 10kPa with residence time of 0.

以炭毡为预制体,N_2为稀释气体,甲烷为炭源前驱体,其分压为10kPa,沉积温度为1100℃的工艺条件下,研究了不同的气体滞留时间(0。

7%,and infiltrated by the novel ICVI at ambient pressure and 1100℃,residence time of 0.

采用改进后的新型ICVI工艺,在沉积温度1100℃、沉积压力为常压和滞留时间为0。

Keep: Until space needed (for this series)

保留时间: 至需要空间时(对于此系列)

"Continue. Keep the timephased edit and remove the link."

"继续，保留时间分段的编辑并删除链接。"

"Continue. Keep the timephased edit and ignore the link."

"继续，保留时间分段的编辑并忽略链接。"

Pages in history expire after

页面在历史记录中的保留时间

"Continue. Keep the timephased edit and change the constraint."

"继续，保留时间分段的编辑并更改限制。"

A meta-analysis on the effect of the intubation depth in retention enema on the drug retention time

保留灌肠插管深度对药物保留时间影响的Meta分析

The holding tube is designed to establish a retention time for the product at the pasteurization temperature.

我们设计保温管来确保产品在巴氏杀菌温度时的保留时间。

Determination of the Adsorption Character of the Quercetin Mixture and Predication of the Retention Time;

槲皮素粗品吸附特性的测定与保留时间的预测

One cause of retention time uncertainty identified is poor oven temperature repeatability.

一个引起保留时间不确定度大的因素是差的柱温箱温度重复性。

Specify the mailbox warning and limit sizes and how long to keep deleted items.

指定邮箱警告和限制大小以及已删除邮件的保留时间。

Using Plate Theory for the Prediction of Retention Times in Programmed-temperature Gas Chromatography with Capillary Columns;

塔板理论对毛细管色谱程序升温保留时间预测的研究

We retained the original fireplace when we decorated the room.

我们装修房间时保留了原有的壁炉.

for preserving historical records to be discovered at some future time.

为了保留历史纪录在将来的时间被发现。

Be sure to set aside enough time to go over your notes after class.

确保留出足够的时间在课后复习课堂笔记。

Your exact spacing is not retained when submitted as text.

当作为文本提交了时，你的准确间距没被保留。

stay (esp for a short time)

停留（尤指短时间）

The total time for the slide show was ^0. Do you want to keep the new slide timings to use when you view the slide show?

幻灯片放映共需时间 ^0。是否保留新的幻灯片排练时间?

As will be discussed later, the critical timed-temperature relationship needed for pasteurization is achieved by the residence time requirement in the holding tube.

巴氏杀菌所需的临界时间温度比由保温管中所需停留时间确定。