查询词典 pH indicator

"The best indicator of a person's vitamin D status is the blood level of a vitamin D compound called 25-hydroxyvitamin D ," said Babette Zemel, Ph.D., a nutritional anthropologist at Children's Hospital and primary investigator of this study.

"的最佳指标，一个人的维生素d地位，是血服用维生素d化合物称为25 -羟丁说：" babette泽梅尔博士，营养人类学家儿童医院和基层调查这学习。

Methods Anhydrous acetic acid as solvent, 0.1 mol/L perchloric acid as titrant, crystal violet solution as indicator to establish non-aqueous titrations and ODS column as stationary phase, methanol and a mixture of 0.025 mol/L sodium phosphate monobasic and 0.02 mol/L sodium dedecyl sulfate (80:20) adjusted with phosphoric acid to a pH (4.8±0.1J as mobile phase, 220 nm as detective wavelength to establish HPLC-UV method for determination of piperazinylethylestrone drug substance; FMOC-CL as a derivatization reagent, FD as a detector to establish an HPLC method with derivatization and column switching for determination of piperazinylethylestrone in dog plasma.

分别采用无水冰醋酸为溶剂，0.1mol/L高氯酸为滴定液，结晶紫指示液指示终点的非水滴定法和HPLC-UV法测定哌嗪雌酚酮原料药含量；以FMOC-CL为衍生化试剂，采用柱切换柱前衍生化萤光检测的HPLC法测定狗血浆中哌嗪雌酚酮含量。

Use 8 channels 10 A/DMAX 192 two shunt-wound means, the sample that can differ to 10 kinds at the same time undertakes an analysis, and basis beforehand the optical density value of demarcate and pH indicator plan to add up to a curve to give out analytic result.

采用8通道10位A/DMAX 192两片并联的方式，可以同时对10种不同的样品进行分析，并根据事先标定的光密度值和浓度的拟合曲线给出分析结果。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。