The dosage of raw materials, the selection of low-toxic mixed solvent and its formulation, the selection of modifying agent, reaction temperature and the time were studied respectively.
对原料的用量、低毒性混合剂的选择和配比、改性剂的选择、乳化剂的选择、反应温度和反应时间的选择进行了优化试验。
As one of effective fire extinguishing chemicals halogenated alkanes (ha) are effective, low-toxic, corrosion-free, stainless, with best chemical stability and safety for long-term storage.
卤代烷灭火剂具有高效、低毒、无腐烛、不污损保护对象、化学稳定性好、便于长期储存等优点。
The triphosgene, being as the substitute for phosgene and diphosgene in synthesis, is not only low-toxic but also safe and convenient to use with mild conditions, good selectivity and high yields.
三光气作为剧毒的光气和双光气在合成中的替代物，不但毒性低，使用安全方便，而且反应条件温和、选择性好、收率高。
If there's smoke in the cabin, get low and crawl below the level of the smoke and toxic fumes, so you can breathe until you get out of the plane.
如果机舱里有烟雾，把身体放低到烟雾与有毒气体的下面爬行，这样你能在你离开飞机前保持呼吸。
Another concern is the disposal of some geothermal fluids, which may contain low levels of toxic materials.
另一个关注点是某些地热流体的处理，这些地热流体会含有微毒物质。
The respiratory and other subcortical centers likewise show stimulation after low doses and depression with higher or toxic doses .
呼吸中枢和其他皮层中枢同样表现为小量时兴奋，大量或中毒量抑制。
The last three are toxic in large doses, and black cohosh should be avoided if a woman has low blood pressure.
后三种大剂量使用时是有毒的，而且低血压妇女应该禁止使用总状升麻。
The Treasury Department says it will offer low interest loans to private investors so they will buy billions of dollars in toxic assets and get American Banks lending again.
财政部表示，将为私人投资者提供低息贷款，以购买数十亿的有毒资产，重振美国银行借贷业务。
About 194 leather processing industries operate here and freely dump untreated toxic wastes directly to the low-lying areas, river and natural canals.
大约194家皮具加工企业在那里运营并且向下游，河流，和天然运河倾倒没有经过任何处理的有毒废弃物。
The idea is to recuperate energy to feed low consumption communicating devices. So we can avoid using batteries which need recharging or changing, and create toxic waste.
这个想法是要恢复能源来提供，低消耗量的通讯设备，我们能避免使用要会造成，有毒物质的蓄电或必须跟换的电池。
The alumina ceramics is gel-mould cast with low toxic N methylolacrylamide system. This paper reports the investigation on the preparation of alumina suspension and its solidification process.
采用低毒的N羟甲基丙烯酰胺体系凝胶注模成型氧化铝陶瓷，研究了该体系下浓悬浮体的制备及固化过程。
Leading scientists - who argue that their data show bisphenol a produces toxic effects in animals at incredibly low doses - have criticized the way the report has been produced.
一些主要科学家认为试验数据显示极低剂量双酚a会对动物产生毒性作用，因此他们对该报告所采用的方法提出质疑。
Conclusion: LEH was a low toxic and low immunogenic blood substitute.
结论：LEH是一种低毒性、低免疫原性血液制品。
Imazapic, Imazapyr and Imazamox are highly effective, low toxic and environments kindly Imidazolinone herbicides which have not been produced in our country.
甲基咪草烟，灭草烟酸和甲氧咪草烟是高效、低毒、对环境友好的咪唑啉酮类除草剂，国内尚未工业化生产。
This study is intended to investigate the anticancer effects of the low toxic flavorings cinnamic acid on PGCL3 human lung cancer cell subine.
本研究的目的是探讨低毒性的食品调味剂桂皮酸对PGCL3人肺癌细胞的抑制作用。
Diniconazole is a highly active, low toxic fungicide with broad spectrum on controlling disease.
烯唑醇是一种高效、低毒、广谱杀菌剂，并具有良好的植物生长调节活性。
Results Those samples ingredients easy to volatilize were mainly toluene, butanone, gasoline, ethyl acetate, acetone, etc. All of them were rated as low toxic for their acute toxicity.
结果各样品中易挥发的主要成分为甲苯、丁酮、汽油、醋酸乙酯、丙酮等，其急性毒性分级均为低毒。
Low toxic and high quality artificial plate adhesive will gain more and more attention.
低毒、优质的木材胶粘剂将越来越受到关注。
A review was given on the progress of the research on low toxic and nontoxic passivation processes for electroplated zinc and zinc alloy coatings.
综述了国内外镀锌及锌合金层主要的低毒无毒钝化工艺。
The respiratory and other subcortical centers likewise show stimulation after low doses and depression with higher or toxic doses.
呼吸中枢和其他皮层中枢同样表现为小量时兴奋，大量或中毒量抑制。
Trichokirin inhibited protein synthesis potentially in rabbit reticulocyte lysate but was relatively low toxic to intact cells.
这种毒素在无细胞体系中对蛋白质生物合成具有明显的抑制活性而对完整细胞的毒性很低。
Results: The sporadic outbreak of vibrio cholera has some characters: including non toxic strain infection, low detection rate of plasmid and ct gene and increase of drug resistance.
结果：散发性霍乱以无毒株为主，质粒及肠毒素基因的携带率极低，但耐药性有所增加。
Adding amylum or oxidized amylum in the synthesis process of low toxic urea-formaldehyde resin can improve pre-press capability and bonding strength of plywood.
在低毒脲醛树脂胶粘剂合成过程中加入淀粉或氧化淀粉，能有效地改善胶合板板坯的预压性能和胶合板的胶接强度。
The selection principal of low toxic mixed solvent of CR adhesive is depended upon hydrogen bond index and solubility parameter of the solvent.
氯丁胶粘剂的低毒混合溶剂的选择原则是：根据溶剂的氢键指数及溶解度参数。
A kind of modified low toxic urea-formaldehyde resin was synthesized.
经过大量试验合成了一种低毒改性脲醛树脂。
These drugs will become low toxic effective immunosuppressive agents in the future.
谷氨酸有希望成为一种低毒有效的免疫抑制剂。
Based on reaction mechanism of UF, low toxic and modified technology of UF were discussed.
从脲醛树脂生成机理出发，介绍了脲醛树脂的低毒改性技术。
Modifier was added on medium-term of synthetic process with its adding amount being 3%, a favourable low toxic modified UF resin adhesive could be synthesized on the basis of colloid theory.
应用胶体理论，在树脂合成过程中期加入改性剂，改性剂添加量为3%，合成了性能良好的低毒改性脲醛树脂胶。
In additionl, a new low toxic passivation process was advanced which improved the adhesion and corrosion resistance of blackening film greatly.
此外，提出了一种新型低毒钝化工艺。 大大提高了发黑膜的附着力和耐蚀性。
Our drug has high efficency. Low toxic. Long efficacy. and sure safety to natural enemies, human and livestock.
本品高效、低毒、持效期长，无残留，对天敌、人、畜安全，是一种绿色无公害农药。
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