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- retention time ratio 保留时间比率
- Is there such a term as absolute retention time? 绝对保留时间定性?
- Retention time of ACV was about 7.Smin. 分另为ACV组的5.;7倍，1
- The retention time must match that of an external standard within 5%. 保留时间必须在外加标准品保留时间的正负5%25以内。
- Orthogonal array tests were carried out to investigate the optimal temperature(T), hydraulic retention time (HRT), pH and C/N ratio of anaerobic fermentative hydrogen production using a 20 L continuous stirred-tank reactor (CSTR). 采用20 L连续流搅拌罐式反应器(CSTR),通过设计正交试验对厌氧发酵制氢的温度(T)、水力停留时间(HRT)、pH、C/N比等操作参数进行优化。
- Poor injection technique is also iden tified as a cause of retention time variability. 进样技术的问题也会影响保留时间的变化，通常这个问题更多的出现在手工进样中。
- The RetainDeletedItemsFor parameter specifies the retention time for deleted items. RetainDeletedItemsFor参数指定已删除邮件的保留时间。
- Maximum retention time (days) Specifies how long an e-mail message should remain in the transport dumpster queue. 最长保留时间(天)指定电子邮件可在传输垃圾站队列中保留的时间。
- Their retention times shall be established and recorded. 应规定其保存期限并予记录。
- The study design defined gait asymmetry parameter (GAP) as equaling the swing time ratio between the right and left foot. 步伐非对称性参数(GAP)被定义为，右脚和左脚摇晃时间的比值。
- By default, the maximum number of search folders is 11, and the maximum retention time is 8 days. 默认情况下,搜索文件夹的最大数目为11,最长保留时间为8天。
- 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。
- Stone clear rate was 100%. Av- erage retention time of nephrostomy tube was 4 days,and average hospital stay was 6 d. 一期结石清除率100%25,肾造瘘管留置时间平均4 d,平均住院时间6 d。
- The analysis indicates that tapping torque increases as net cutting time ratio increases,where net cutting time ratio influences the tapping torque more significantly. 结果表明,攻丝扭矩随净切削时间比的增加而增大,且对攻丝扭矩的影响最显著。
- 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。
- The recombinant sCT-Gly had almost the same HPLC retention time as the standard sCT obtained from Sigma. 以上结果提示，鲑鱼降钙素在链霉菌中获得了成功的分泌表达。
- Identification of retention time can be accurately obtained using a pentane peak as a standard. 可以用戊烷峰来计算其它峰的保留时间。
- It concludes that low organic loading and enough hydraulic retention time(HRT) are the keys to the the start-up of ABR. 结果表明，保持较低有机负荷以及足够的水力停留时间(HRT)是反应器成功启动的关键。
- Increase in intensity,retention time and the pulse frequency could enhance the efficiency. 增加磁场强度、处理时间和脉冲频率可以提高杀菌效果.
- The design method of double crank mechanism and optimum transmission double crank mechanism are presented according to the conditions of minimum transmission angle, the time ratio, the factor of velocity variety or the minimum size. 摘要研究了按照最小传动角、速度变化系数、行程速比系数以及尺寸和最小等条件设计双曲柄机构以及最佳传动双曲柄机构的方法。
