用量

The effect of nitrogen and potassium fertilizers on nutrient quality of two lettuees were different, increasing potassium or nitrogenous fertilizer was more effective in acid soil than in alkali one.

不同施肥处理对两种土壤上科兴3号和双尖莴笋营养品质的作用不一致。在酸性土壤上增施K肥或提高N肥的用量对莴笋营养品质的改善更有效果。

The effects of compatibilizer dosage and the alkaline treatment on mechanical properties of the composite were studied.

研究了相容剂用量和木粉的碱化处理对复合材料力学性能的影响。

Methods: from prepation of crude drug as start, study the technology of extract and defat with L9 (3~4) orthogonal test. With EtOH extraction and water sed, alkali washing, EtOAC extraction as main methods of eliminate dopant. Finally with alky AlzO3 chromatographic column, rich and gain anticancer active site. The maximum response was achieved at a 40 min extracting time with 10 times volume 90% EtOH added to the sample for the first time and 30 min for the second time. Adding 10 times water will produce precipitation; Place the precipitation into 6 times petroleum benzin to de-fat at 60℃.

云南红豆杉中抗癌活性物制备工艺研究方法：利用正交设计试验L9(3~4)确定原料药提取工艺为：10倍量90％乙醇提取两次，第一次40分钟，第二次30分钟；醇提液用10倍量水沉；沉淀加6倍量石油醚40℃脱脂；用1mol／L的NaOH溶液碱洗，除去酸性杂质；以碱性氧化铝柱，以环己烷／丙酮为洗脱溶剂，在环己烷-丙酮(6：4)段富集到所需活性部位，洗脱剂用量为3VB。

Low concentration of allyl alcohol helped to increase the reaction rate and high concentration of H2O2 could decrease the selectivity to glycidol using water as a solvent.

当催化剂用量一定时，以水为溶剂，较低的烯丙醇浓度更有利于反应的进行，而较高的双氧水浓度则会降低产物的选择性。

The effect of (NH 4) 2S 2O 8-DMAEMA-NaHSO 3 initiator and allyl alcohol on the performance of the products was also investigated.

结果表明，最佳的实验条件：反应温度为40℃；乳化剂用量为3 %；引发剂浓度分别为0 。0 6%、0 。

Higher content of allyl ether led to higher curability in air.

随着烯丙基醚用量的增加，树脂在有氧状态下的固化反应能力增强。

When the used level of aluminum hydroxide in the resin was 20%-30%,the scale of burning of the resin solution w.

分析了氢氧化铝的热分解温度和对氮-磷环氧树脂阻燃性的影响，讨论了氢氧化铝的用量对树脂胶液的燃烧等级、覆铜板抑烟效果的影响。

The use of aluminum hydroxide adjuvant will decrease the dosage of antigen whereas the vaccine reaches the same antibody titer.

研究证实氢氧化铝佐剂的加入使该疫苗在达到相同抗体滴度的情况下可以减少抗原的用量。

The quantity and the consistency of the adhesives, the speed of spray syrup, the fineness of raw material are the important affection factor to the friabibity of compound Aminopyrine Phenacetin Tablets.

粘合剂的用量和浓度、喷浆速度、原料细度均是影响去痛片脆碎度的重要因素。

Poly was synthesized with calcium ammine as catalyst system and hexane as solvent,and the relationship among catalyst amounts,polymerization temperature,polymerization time and moisture of solvent with the yield of PEO and its relative molecular mass were investingated.

阐述了采用氨钙体系催化剂、以正己烷为溶剂的沉淀聚合制备聚氧化乙烯的方法。研究了催化剂用量、反应温度、反应时间及溶剂含水量与PEO收率及其相对分子质量的关系。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷