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Niger treated with dibromo- dichloro - glycoluril disinfectant.

结 果以含有效成分284mg/L的二二氯甘脲消毒剂作用30min,可使枯草杆菌黑色变种芽胞杀灭率达到99.99%。

The established method was much better than other methods for measuring chloride because of cost saving ,accuracy,precision,wide linearity range,good specificity and stability and its resisting interference from haloid elements such as bromine and iodine and thiocynate etc.

该方法测定成本低,准确、精密、线性范围宽,稳定性好,在抗卤族元素、碘及硫氰酸等阴离子的干扰方面,显著优于其他方法

This paperindicated that it was good for condensation reaction when benzene-ring bearingelectron-attaching groups. It also showed that and the 6-hydroxyl group could bereacted with acyl halide, haloid ether and halo alkene, but not with halo alkane. It wasnot only the first time to find that the reaction product of D-mannitol and aromaticaldehyde is tri-condensation derivatives, but also the first time to obtain thep-phthaldehyde-sorbitol derivatives containing eight hydroxyl groups.

研究发现:苯环上有吸电子基团时对缩合反应有利;多元醇缩醛衍生物6-羟基除与酰氯反应外,也能和卤代酸酯、代烯反应,但不与卤代烷反应;首次发现D-甘露醇与醛反应主要得到三缩合物;首次合成了含有8个羟基的对苯二甲醛和山梨醇的缩合物。

Results The result in 4 weeks showed that the laying rate of trial group and control group was 83.86%and 69.96% respectively; broken egg rate and malformed egg rate of trial group were 1.28% and 4.33%, that of control group was 1.69% and 1.19%; total egg number and hatchable egg number of trial hen were more than that of control hen 3.89 and 3.26 respectively ; average egg weight was not affected. E2 level in blood of trial group was higher than control group.

结果:在4周的实验期内实验组和对照组的产蛋率分别为83.86%和69.96%;破蛋率分别为1.28%和1.69%,畸形蛋率分别为4.33%和1.19%;实验组平均每只鸡的产蛋总数比对照组多3.89个、合格种蛋数多3.26个;药物处理对平均蛋重无显著影响;使用隐停能够提高鸡血液中的雌激素水平。

CTAB is one kind of high-molecular compound, Chinese full title is "the headachy trim ethyl bromine dopamine", it has the very strong digestion ability, can destroy the plant the cell wall and the cell membrane.

CTAB 是一高分子化合物,中国充分的标题是&the headachy 修剪乙基dopamine&,它有非常强的消化能力,可能毁坏植物细胞壁和细胞膜。

The reaction between technetium and hydrazine in nit ric acid medium is studied by the titration of the concentration of hydrazine and pursuing the concentration of heptavalent technetium along with time.

利用代丁二酰亚胺滴定肼和跟踪Tc浓度随时间变化的方法,研究了硝酸介质中锝与肼的反应。

Examples of monomers which have on average not less than 3 cross-linking groups per molecule include for example tri, tetra, penta and hexa functional isocyanates, alcohols, amines, epoxys,acrylates, siloxanes and imines.

其中的单体平均不超过3交叉连接不到每分子团体有例子包括,例如三,四,五和六功能异氰酸酯,醇,胺,epoxys,丙烯酸酯,硅氧烷和亚胺。

In this dissertation, the sodium bentonite was modified using hexadecyl trimenthyl ammonium bromide and cationic polyacrylamide.

本文以市售钠基膨润土为原料,分别以十六烷基三甲基化铵和阳离子聚丙烯酰胺为改性剂,制各了新型复合插层有机膨润土。

The behavior for flotation separation of cobalt with sodium nitrate— ammonium thiocyanate —hexadecyl trimethylammonium bromide system and the condition for separation of cobalt with other metal ion were studied.

研究了硝酸钠—硫氢酸铵—化十六烷基三甲铵体系浮选分离钴Co的行为及其与常见阳离子分离的条件。

Surfactants of Hexadecyl trimethyl ammonium bromide and alkyl polyoxyethylene have a slow dying at a higher temperature and have accelerated dying at a lower temperature while leather dying with the curcuma dye.

而表面活性剂十六烷基三甲基化铵及平平加O对姜黄素在皮革的染色在较低温度下有一定的促染作用,在较高温度下有一定的缓染作用。

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