查询词典 sodium hydroxide

The degradation properties of hydrogen peroxide and sodium hydroxide were proved by this experiments and th...

另外还使用了SEM用于羊毛降解过程的分析以及SDS—PAGE和FTIR对羊毛产物进行了分析。

Solid bases, quantity of acetylacetone, quantity of sodium hydroxide, and grinding time were investigated.

考察了碱的种类，乙酰丙酮的量，NaOH的量，以及研磨时间对产率的影响。

The effects of microwave power, irradiation time, stearic acid and sodium hydroxide dosage were examined.

确定的优化条件：微波功率530W、辐射时间10min、硬脂酸和氢氧化钠的最佳配比为5∶1。

It can be prepared by interaction of acetic acid and sodium hydroxide in water solution.

它是一种带有醋酸气味的白色结晶粉末，易吸湿、易溶于水和乙酸。

Commonly used hygienically cleaner to 1 per cent of the sodium hydroxide solution supported by a variety of additives, they may be dissolved and upholstery from bottles, metal salts of aluminium, copper, zinc and other metal objects, pinhole camera should be able to guarantee of caustic soda solution within minutes into rapid infiltration of labels with a bottle of avulsing and dissolved in a few minutes.

常用洗瓶清洗剂为1％氢氧化钠溶液辅以各种添加剂，完全可溶解来自玻瓶装潢的铝、金属盐、铜、锌等金属物，针孔应能保证碱液在数分钟内快速渗入标签里层使之与瓶剥离，并在数分钟内溶化。

Pretreatment of lignocellulose by sodium hydroxide has been studied.

植物纤维素是符合可持续发展要求的可再生资源。

NH4+ when heated with sodium hydroxide solution, a colorless gas is given out which can turn wet red litmus paper to blue.

铵盐和氢氧化钠溶液共热时会放出一种无色气体，它可把湿的红色石蕊试纸变蓝。

With the material of magnesium chloride and sodium hydroxide,Magnesium hygdroxide was produced by adding Magnesium hygdroxide seeds .

以氯化镁为原料，以氢氧化钠为沉淀剂，采用加入氢氧化镁晶种的方法制备氢氧化镁。

Experiments were carried out to study minimum bactericidal concentration of 5 kinds of disinfectants (double fouthdiamine sait-iodine solution, compound aldehyde, chlorine-containing disinfectant; sodium hydroxide and potassium permanganate) against 5 kinds of pathogenic bacteria, and the above MBCs of disinfectants were 1: 600-1: 800,1:1000-1: 2500,1: 30000-1: 40000,0.01%-0.03% and 0.0008%-0.004%, respectively. It emphatically evaluated the sterilized efficacy of each kind of disinfectant to salmonella at different temperatures.

为了解目前猪场常用消毒剂对猪场常见肠道致病菌的杀菌作用，开展了5种猪场常用消毒剂（特碘、复合醛、消特灵、氢氧化纳和高锰酸钾）杀灭5种猪场常见肠道致病菌（沙门氏菌、大肠杆菌、奇异变形杆菌、弗氏拘橼酸杆菌和绿脓杆菌）最低浓度的试验，依次为l：600~l：800，1：1000~l：2500，l：30000~l：40000，0.01%~0.03%，

However, it is to be noted that activity of sodium hydroxide with respect to the ester exchange reaction is not sufficient, and in order to improve the conversion rate of the waste edible oil to 90%, it is necessary to add methyl alcohol (stoichiometrically required amount of methyl alcohol is about 3 mole with respect to 1 mole of vegetable oil) and catalyst excessively.

不过，这是必须指出的活动氢氧化钠与尊重向酯交换反应是不足够的，并且为了提高转换率的废油脂至90 ％，这是必要的添加甲醇（ stoichiometrically要求金额甲醇约3摩尔与尊重，以1摩尔植物油）和催化剂过分。

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢？

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我，一个心中布满虚荣的女孩子真实的想法。