查询词典 poisonless

PEG400, which is poisonless, low cost with good capability of carrying sodium ion, was used as catalyst, and sodium cyanide owing to its less toxicity, stability, less amount in the reaction, was used as cyanating reagent in the reactions.

在有机卤代化合物或酯与PEG400、NaCN的用量比分别为1∶0.03和1∶1.3的条件下，获得了高收率（84％-96％）和高纯度（≥98％）的腈化物。通过几种不同溶剂下反应的对比，选择了以苯为溶剂，在酰氯与PEG400、 NaCN的用量比分别为1∶0.05和1∶1.2及反应温度为室温的条件下，合成了酰基腈化物。

The combined application of strains ZW38 and ZL5 could effectively degrade the ammoniacal nitrogen in marineculture wastewater into the gaseous nitrogen with the poisonless and harmless in the environment.

结论］将ZW38和ZL5联合应用可以有效地将海水养殖废水中的氨态氮降解成为对环境无毒无害的气态氮。

Efficient, poisonless and cheap as it is, ethanol is widely used in industrial realm.

乙醇是工业生产中应用广泛的有机溶剂，因为其溶解性好、无毒且便宜。

It is a bright, poisonless and high-grade inorganic yellow pigment.

同时得到的钒酸铋是一种颜色鲜艳、无毒的高级无机黄色颜料。

In order to research a poisonless and harmless chemical method to reducing harm of low temperature on almond during florescence, effects of BBA on cold resistance and fruit setting rate in almond were tested respectively in laboratory and field.

为了研究既能减轻杏树花期低温伤害而又无毒无害的化学防寒手段，就巴巴安在杏树花期的抗寒作用进行了室内试验，并就巴巴安对杏树坐果率的影响情况进行了田间试验。

Electrical Mosquito -repellent incense, poisonless and smokeless, keeps you safe and sound.

电热蚊香，无毒、无烟，保君平安。让我来把墙上的蚊子揿死。

The invention has the advantages of simple formulas, simple and convenient production, distinct curative effect, poisonless, excellent stability, and easy taking, which has an extensive application value.

其配方简单，生产简便，疗效显著，无毒，稳定性好，患者服用方便，具有广泛的应用价值。

The inner layer is made up of poisonless polytheve with no second pollution,it is an ideal product for drink water and food pipelines tested by China Sanitation and Antiepidemic Department.

内层材料为食品级聚乙烯，卫生无毒，无二次污染，经国家卫生防疫部门检测，是最理想的饮用水和食品管道。

With low price, low mass, high corrosion resistance, good strength, our products have also good closeness and are odorless as well as poisonless.

管件采用增强改性塑料合金为原料，密封性能好，价格低，耐腐蚀，强度高，无毒，无味，特别适合热水保温系统。

Sanitary fumigant, poisonless and smokeless, can clean and refresh air effectively.

卫生熏香，无毒、无烟，清新空气有特效。喝下这杯冰茶你会感到清凉。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。