查询词典 reagent

Summed up the research progress that exceeds critical and extractive technology to apply at alkaloid to depart, analysed each elements of effect of influence alkaloid depart, outside waiting for common element except temperature, pressure, dissolvent, extractive time, alkalify reagent can improve the detached result of alkaloid, carry secretly agent rose to exceed the capacity of critical and extractive fluid.

综述了超临界萃取技术应用于生物碱分离的探究进展，分析了影响生物碱分离效果的各个因素，除温度、压力、溶剂、萃取时间等常见因素外，碱化试剂能够改善生物碱的分离效果，夹带剂则提高了超临界萃取流体的能力。

Based on the experimental research, the reagent combination of lime milk, calcium chloride and aluminum sulfate for the coagulation of making package wastewater is put forward.

在实验研究的基础上，提出了用于制罐废水混凝处理的石灰乳、氯化钙和硫酸铝这一药剂组合；并就COD的后续处理问题，提出了生物炭滤处理方

In this paper, synthesizing bis-(tert-butyldimethylsiloxy) silicon porphyrin by derivative reagent, makes porphyrin readily amendable to GC-MS、 GC-IRMS ananlysis.

本文利用衍生化的方法合成双—硅卟啉，使其适合GC-MS、GC-IRMS测定。

The organic chemical product, the amide class chemical reagent design development and the service.

有机化工产品、酰胺类化学试剂的设计开发和服务。

Mainly divided into reagent ammonia and industrial ammonia, concentrations were 25% and 20%.

主要分为试剂氨水和工业氨水，浓度分别为25%和20%。

When be admitted to hospital, mix after be admitted to hospital by clinical nerve function the degree that be short of caustic gives a mark 4 weeks[2] , cent progresses significantly, progress, invariant with death 4 class. 1.2 determine methodological research target (inside the 24h after be admitted to hospital) Yu Qingchen is hollow 4ml of blood of the vein that collect ancon, detached serum - 70 ℃ are saved wait for measure. Hs-CRP reagent is product of German LEADMAN company, day stands - 7600 full automatic biochemical appearance compares chaotic, referenced limits mg/L. Know exactly about sth of place of 1.3 statistical methods is occupied all classics SPSS...

入院时和入院后4周按临床神经功能缺损程度评分[2]，分显著进步，进步、无变化和死亡4级。1.2测定方法探究对象(入院后24h内)于清晨空腹采肘静脉血4ml，分离血清-70℃保存待测。hs-CRP试剂为德国LEADMAN公司产品，日立-7600全自动生化仪比浊，参考范围mg/L.1.3统计学方法所有数据均经SPSS。。。

H2O2 was dropped into the anolyte to produce Fenton reagent, which could degrade organic compounds and decrease the concentration of COD.

实验结果表明，模拟废水中的氨氮透过率达80%，垃圾渗滤液中氨氮浓度和COD，由原来的1982和2248mg/L分别降至200和127mg/L。

H2O2 was dropped into the anolyte to produce Fenton reagent, which could degrade organic compounds and decrease the concentration of CODCr.

实验结果表明，模拟废水中的氨氮透过率达80％，垃圾渗滤液中氨氮浓度和CODCr由原来的1982和2248 mg／L分别降至200和127 mg／L。

The results showed that 4-HR combined preventing browning reagent has good controling browning effects on the above four kinds of materials. The best combination to apple-slice is A2B2C1, namely 0.02% 4-HR, 0.03% antiscorbutic acid and 0.5% citric acid; the best combination to banana-slice is A2B2C2, namely 0.02% 4-HR, 0.03% antiscorbutic acid and 0.75% citric acid; the best combina...

实验结果表明4-HR组合防褐试剂对上述四种材料均表现良好的护色效果，其中对苹果切片的最佳组合是A2B2C1，即0.02%4-HR、0.03%抗坏血酸、0.5%柠檬酸；香蕉最佳组合是A2B2C2，即0.02%4-HR、0.03%抗坏血酸、0.75%柠檬酸；马铃薯切片和莲藕汁的最佳组合都是A1B1C2，即0.01%4-HR、0.02%抗坏血酸、0.75%柠檬酸。

Results show that HClO4 + HNO3 with results between 95 %- 105 % comparing with reference materials is better digestion reagent than aqua regia.

结果显示，HClO4 + HNO3试剂与标准参考样品参考值比较介於 95 %- 105 %之间，相对於王水试剂有较佳的实验结果。

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。