Study on QSPR of GC relative retention time for haloalkanes, alcohols, sulfur alcohols and amines;
卤代烷、醇、硫醇和胺气相色谱相对保留时间定量关系的研究
The relative retention time tR′ for main trace components including alcohols and esters in liquor were determined by PEG20M capillary column and the relations between tR′and molecular topological index 0T,1T had been studied.
采用PEG20M交联毛细管柱测定了白酒中主要微量成分醇、酯类物质的气相色谱相对保留时间(tR'),并对其tR'与其分子拓扑指数0T,1T间的关系进行了研究。
The five stable chromatographic peaks have been found in all the measured chromatograms,which have the same or extremely close relative retention time and which should be used as the good qualitative character of the fingerprint.
发现了5个色谱峰能够较为稳定地出现在所测样本的色谱图中,它们表现出了相同或极其相近的相对保留时间,因此可以作为指纹谱图的良好的定性特征。
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。
Table 1 gives the retention and relative retention times of some common volatile compounds associated with alcohol ingestion, diabetes, and glue sniffing.
表1给出了一些常见的挥发性化合物的保留时间和相对保留时间,这些挥发性化合物都与酒精的摄
Keep: Until space needed (for this series)
保留时间: 至需要空间时(对于此系列)
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
Application of Plate Theory in Predicting Retention Times of Programmed-Temperature Gas Chromatography under Constant Pressure Mode
塔板理论预测恒压模式下程序升温气相色谱保留时间
but the period of the seizure or detainment shall not exceed 3 months; goods that are not suitable for storage shall be disposed in a timely manner.
但查封、扣留时间不得超过３个月；对不易保存的物品应及时处理。
Effect of Holding Time on TLP Bonding of 20 Steel Pipes
保温时间对20钢管道瞬时液相扩散连接的影响
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
Effects of 3 kinds of extraction of Foley catheter after cesarean delivery on spontaneously urination
剖宫产术后拔除保留尿管三种不同排尿时间效果的对比观察
INFLUENCE OF CHROMATOGRAPHIC COLUMN POLARITY AND COLUMN TEMPERTURE ON RETENTION TIME AND SENSITIVITY
色谱柱极性和柱温对氯苯类物质保留时间及灵敏度的影响
"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。"
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.
The body maintains strict blood glucose levels.
进食或禁食一段时间后，血糖水平保持相对稳定。
By the standards of the time-keeping industry, Rolex is a relative newcomer.
按标准时间保持工业劳力士是一个相对的新人.
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。
We kept in contact with each other for quite a long time.
我们在相当长的时间内互相保持联系。