查询词典 reagent

The influence of the concentration of iodine and sulphur dioxide in the Karl-Fischer reagent and formamide concentration in the electrolyte on the reaction rate is investigated.

本文研究了卡尔·费休试剂中碘、二氧化硫和电解液中甲酰胺的浓度对反应速率的影响。

Methods: samples for evaluation were 50 anti hcv serum plates for clinical scientific research from the clinical testing center of the state ministry of health. the samples underwent blind screening by fast reagent method, china made elisa kit and imported elisa kit, respectively. using the anti hcv positive and negative serum plates from clinical testing center of the state ministry of health as the golden criteria, the validity and reliability were tested with four fold table and the cut off of elisa was reasonably evaluated.

以卫生部临床检验中心抗 hcv临床科研血清盘标本50 份为评价标本，分别用快速试剂法，国产elisa试剂及进口elisa试剂对评价标本作盲法检测，以卫生部临床检验中心血清盘标本所提供的阴性和阳性结果为金标准，用四格表法计算出评价真实性及可靠性指标，并对elisa 法的cut off值的合理性进行评价。

"It is a strong oxidizing agent (see oxidation-reduction), used in fireworks, explosives, matches, fertilizers, glassmaking, steel tempering , and food curing; as a reagent; and as an oxidizer in solid rocket propellants."

硝石是一种强烈的氧化剂，被用于烟火、炸药、火柴、肥料、玻璃器具制造工业、钢铁回火以及食物保存处理，也被用作试剂和坚固的火箭推进物的氧化剂。

"It is a strong oxidizing agent (see oxidation-reduction), used in fireworks, explosive s, matches, fertilizers, glassmaking, steel tempering, and food curing; as a reagent; and as an oxidizer in solid rocket propellants."

硝石是一种强烈的氧化剂，被用于烟火、炸药、火柴、肥料、玻璃器具制造工业、钢铁回火以及食物保存处理，也被用作试剂和坚固的火箭推进物的氧化剂。

"It is a strong oxidizing agent (see oxidation-reduction), used in fireworks, explosives, matches, fertilizer s, glassmaking, steel tempering, and food curing; as a reagent; and as an oxidizer in solid rocket propellants."

硝石是一种强烈的氧化剂，被用于烟火、炸药、火柴、肥料、玻璃器具制造工业、钢铁回火以及食物保存处理，也被用作试剂和坚固的火箭推进物的氧化剂。

"It is a strong oxidizing agent (see oxidation-reduction), used in fireworks, explosives, matches, fertilizers, glassmaking, steel temper ing, and food curing; as a reagent; and as an oxidizer in solid rocket propellants."

硝石是一种强烈的氧化剂，被用于烟火、炸药、火柴、肥料、玻璃器具制造工业、钢铁回火以及食物保存处理，也被用作试剂和坚固的火箭推进物的氧化剂。

Fertilizers, glassmaking, steel tempering, and food curing; as a reagent; and as an oxidizer in solid rocket

硝石是一种强烈的氧化剂，被用于烟火、炸药、火柴、肥料、玻璃器具制造工业、钢铁回火以及食物保存处理，也被用作试剂和坚固的火箭推进物的氧化剂。

Methods The total RNA of leucocyte was extracted 43 allergic vasculitis patients and 24 normal subjects before and after treatment with Trizol reagent and the integrity and concentrations of HLA-DRw53 gene mRNA were determined by agarose gel electrophoresis and UV spectrophotometer after denatured with 1% formaldehyde, the product was transcribed into complementary retroviral synthetic deoxyribonucleic acid, and sequence-specific primers were designed based on the sequences of second HLA-DRw53 gene exon and housekeeping gene glyceraldehyde phosphate-dehydrogenase cDNA.

利用随机引物逆转录合成互补脱氧核糖核酸，根据HLA-DRw53基因第二外显子序列和管家基因人磷酸甘油醛脱氢酶的cDNA序列设计序列特异性引物。检测43例变应性血管炎患者治疗前后与24名正常人HLA-DRw53基因mRNA表达量的变化。

This indicated that Grignard reagent is a catalyst here.

格氏试剂在这里是作为一个强碱起着催化作用。

The latter presumably arises by complexation (120) of the initially formed chemical with Grignard reagent .

后者大概是由首先生成的化学物质与格氏试剂的络合产物（120）产生的。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。