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The composite extractant used has strong dissolving detachability on oxidation products of the organic sulfur and can remove composite extractant left in fat phases so as to improve the yield of the diesel fuel.

所用的复合萃取剂对有机硫化物的氧化产物有很强的溶解脱除性,可以除去遗留在油相中的复合萃取剂,提高柴油收率。

It was discovered that inhibition efficiency in both vapor and solution became better after adding thiocarbamide and morpholine.

动电位扫描极化曲线法研究显示,缓蚀剂强烈地抑制了腐蚀的阳极溶解过程,对阴极去极化过程也有一定的抑制作用,可认为是碳钢的以阳极为主的混合性缓蚀剂。

Taking Zhenhai petrochemical oilcan engineering in Longhai as an example,This paper refers to oil slick's pervasion mode and analyses leakage-contamination accidents of undissolved petrochemicals,especially oil.

本文以龙海市镇海石化工程为例,采用油膜扩散相关模式,当发生油品等难溶性化学品的泄漏事故时,分别对漂浮的油膜以及分散于水体中溶解、乳化的油所造成的海洋环境污染影响加以预测、分析。

The sperm treated with trypsin, plasmin, pepsin and succinic acid sodium respectively, only trypsin can dissociate the eupyrene sperm bundles and improve the motility of apyrene sperm synchronously, and olso only the trypsin-treated sperm have the ability of fertilization.

用胰蛋白酶、血纤维蛋白溶酶、胃蛋白酶及琥珀酸钠处理精液,仅胰蛋白酶能够在很好的溶解有核精子束的同时提高无核精子的运动性,也只有胰蛋白酶处理的精液人工授精能够得到受精卵。

According to the existing hours of this lesson, we mainly explain rudimentary knowledge relevant to inorganic chemistry, including colligative property of diluted solution and four balances (Acid-base equilibrium, precipitate-dissolve equilibrium, oxidize-reduce equilibrium and coordinate equilibrium) and two structures (atomic structure, molecular structure ).

从而为后续分析化学,有机化学,物理化学及相关专业课程的学习打下必要的基础。因此,根据现有的实际课时数,主要讲解有关的基础知识。包括稀溶液依数性和四大平衡(酸碱平衡,沉淀-溶解平衡,氧化-还原平衡,配位平衡),二大结构。

Vitelline antibody has significant dissolving and weakening effect on sparozoite, but it has no effect on the speed of sporation of E. tenella, and pathogenicity of sporulated oocysts.

tenella的子孢子具有明显的溶解和致弱作用,但对卵囊的孢子化速率和孢子化球虫卵囊的致病性没有明显影响。

Maintenance of: rough skin for hands and feet, hands and feet cocooning, chapped hands and feet, go consumer use fatigue Ways: first 1500 milliliters of water will dissolve a packet of hand-foot bath, together with 500 ml of cold water after 30 minutes immediately after immersion.

保养性:针对手脚皮肤粗糙、手脚结茧、手脚干裂、去疲劳的消费者的使用方法:先用1500毫升的开水将一包手足浴溶解后,再加500毫升的冷水后浸泡30分钟后即可。

Where the monograph specifies that the specimen under test is hygroscopic, use a dry syringe to inject an appropriate volume of methanol, or other suitable solvent, accurately measured, into a tared container, and shake to dissolve the specimen.

当各论指明样品在测试条件下具有引湿性时,使用一个干燥的注射器注入合适体积的甲醇或其他合适的溶剂,准确测量,至一个去了皮重的容器中,振摇使样品溶解。

Production of epsilon-glycolylnium is carried out by Beckman rearrangement reacting for cyclohexanone-oxime under the existence of solvent to obtain epsilon-glycolylnium contained mixture, crystalline separating for the mixture to obtain crude epsilon-glycolylnium crystal, dissolving by arene, extracting by water, adsorbing by resin hydrogenation catalyzing to obtain the final product. The value of potassium permanganate is less than 5, extinction value is less 0.05, volatile alkali is less than 0.5meq/kg and alkalinity is less than 0.05meq/kg.

本发明涉及一种ε―己内酰胺制备方法,其特征为:在溶剂存在下,环己酮肟经贝克曼重排反应,得到含有ε―己内酰胺的混合物,该混合物结晶分离后,得到粗ε―己内酰胺晶体用芳烃溶解,然后用水萃取,再经树脂吸附、催化加氢后,得到99.995%以上的高纯度的ε―己内酰胺,其质量指标为高锰酸钾值小于5,消光值小于0.05,挥发性碱小于0.5meq/kg,碱度小于0.05meq/kg。

Microstructure and property of electrospun regenerated silk fibroin /gelatin nanofibers;2. Regenerated silk fibroin membrane was prepared by using waste silk at room temperature.

采用桑蚕废丝制作再生丝素室温干燥膜,并以不同质量比例与水溶性胶原蛋白混合,溶解于质量分数为98%的甲酸中制得不同质量分数的纺丝液,选择一定的工艺参数进行静电纺丝。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。