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稀溶液

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Any of a class of proteins found extensively in blood plasma, milk, muscle, and plant seeds that are insoluble in pure water, soluble in dilute salt solution, and coagulable by heat.

球蛋白一类蛋白,广泛见于血浆、奶、肌肉和植物种子中,不溶于纯水,溶于稀盐溶液,受热凝聚

Even in carbon disulphide in very dilute solution, the alcoholic spectrum shows some changes in the

即使在很稀的二硫化碳溶液中,醇类光谱还表现出由于与溶剂缔合而产生的OH频率的一些改变。

Even in carbon disulphide in very dilute solution , the alcoholic spectrum shows some changes in the OH frequency due to solvent association.

即使在很稀的二硫化碳溶液中,醇类光谱还表现出由于与溶剂缔合而产生的OH频率的一些改变。

In this process, the electrolylic bath with cationic exchange membrance and leas electrode is used. The cathode liquor is oxalic acid, the anode liquor is diluted sulfuric acid. The process above has following advantages with high yield, top quality, lower cost, no "three wastes" pollution, and no oxalic aldehyde in the product. It is a cleaner and environment-friend technology, and is a development trend for production of glyoxalic acid. Complete analytical process for raw materials, intermediate and final products were established.

本论文通过对乙醛酸合成路线的研究,确定了草酸电解法制乙醛酸的工艺路线,此法采用装有阳离子交换隔膜和铅电极的电解槽,阴极电解液为草酸溶液,阳极电解液为稀硫酸,该工艺具有产品收率高、质量好、成本低、无三废污染、产品中无乙二醛等特点,是一条清洁、绿色工艺,是生产乙醛酸的主要发展方向。

Under normal temp., PVF2 has a fine corrosion resistance to many organic solvents like halogen, halogenated hydrocarbon, strong oxidant, boiling acid and alkali; UHMWPE has a fine corrosion resistance to inoxidable acid (dilute sulfuric acid, nitric acid and large concen-tration hydrochloric acid, phosphorus acid, hydrofluoric acid, formic acid and acetic acid), ammonia, amine and various alkali and salty solutions. Both materials can't resist the corrosion of strong oxidable acid.

在常温下,PVF2对卤素、卤代烃、强氧化剂、沸酸、碱等多种有机溶剂都有良好耐蚀性;UHMWPE对非氧化性酸(稀硫酸、硝酸及浓度较大的盐酸、磷酸、氢氟酸、甲酸、乙酸)、氨和胺及各种碱、盐溶液都有良好的耐蚀性,两种材料都不耐强氧化性酸的腐蚀。

Under normal temp., PVF2 has a fine corrosion resistance to many organic solvents like halogen, halogenated hydrocarbon, strong oxidant, boiling acid and alkali UHMWPE has a fine corrosion resistance to inoxidable acid (dilute sulfuric acid, nitric acid and large concen-tration hydrochloric acid, phosphorus acid, hydrofluoric acid, formic acid and acetic acid), ammonia, amine and various alkali and salty solutions. Both materials cant resist the corrosion of strong oxidable acid.

在常温下,PVF2对卤素、卤代烃、强氧化剂、沸酸、碱等多种有机溶剂都有良好耐蚀性;UHMWPE对非氧化性酸(稀硫酸、硝酸及浓度较大的盐酸、磷酸、氢氟酸、甲酸、乙酸)、氨和胺及各种碱、盐溶液都有良好的耐蚀性,两种材料都不耐强氧化性酸的腐蚀。

Under normal temp., PVF2 has a fine corrosion resistance to many organic solvents like halogen, halogenated hydrocarbon, strong oxidant, boiling acidalkali; UHMWPE has a fine corrosion resistance to inoxidable acid (dilute sulfuric acid, nitric acidlarge concen-tration hydrochloric acid, phosphorus acid, hydrofluoric acid, formic acidacetic acid), ammonia, aminevarious alkalisalty solutions. Both materials can't resist the corrosion of strong oxidable acid.

在常温下,PVF2对卤素、卤代烃、强氧化剂、沸酸、碱等多种有机溶剂都有良好耐蚀性;UHMWPE对非氧化性酸(稀硫酸、硝酸及浓度较大的盐酸、磷酸、氢氟酸、甲酸、乙酸)、氨和胺及各种碱、盐溶液都有良好的耐蚀性,两种材料都不耐强氧化性酸的腐蚀。

Now, a convenient, efficient pinacol coupling of aldehydes mediated by zinc in good yields has been carried out in ammonia water in the presence of a little crown ether. Adding a small amount of crown ether was highly effective to enhance the yields of pinacol from 63% to 84%.

本文报道一种简便、有效的水相呐偶合反应,它是在含有少量冠醚的稀氨水溶液中,使用锌粉促进醛基化合物进行水相呐偶合反应,其中加入少量的冠醚有助于提高反应的产率,呐醇产率由63%提高到84%。

For the sake of developing an effective, safe and no pollution disinfectant to reduce or eliminate food-borne pathogens on shell eggs, the bactericidal activity of neutral electrolyzed water (NEW, pH 6.0-7.5) generated by electrolysis of diluted hydrochloric acid in a non-membrane electrolytic cell for inactivation of Salmonella pullorum, Escherichia coli O157:H7 and artificial inoculated shell eggs initial logarithm of population of two pathogens on the eggs were approximately 6.19-6.26 log10 (cfu/g and 6.12-6.19 log10 respectively was evaluated.

为寻求一种高效、安全、无污染的禽蛋清洗消毒剂,采用无隔膜电解装置电解稀盐酸溶液制备中性电解水(pH值6.0~7.5)考查不同有效氯浓度、处理时间和温度条件下中性电解水对鸡蛋人工接种鸡白痢沙门氏菌(Salmonella pullorum,鸡蛋表面的初始菌落数对数为6.19~6.26 log10)和大肠杆菌O157:H7(鸡蛋表面的初始菌落数对数为6.12~6.19 log10)的杀灭效果。

The optimal harvest time,preserving the green,boiling and technique of preserving the brittleness of Mongolia Scorzonera was studied.

研究了蒙古鸦葱的采收时机,护绿、烫漂和保脆技术,实验表明:选择叶龄在18~20d采收,在浓度为0.2%的稀碱溶液中浸泡30min保绿,烫漂温度98℃、时间叶柄1.5min、叶片0.5min,在烫漂液中加入0.15%的氯化钙保脆等措施,解决了产品速冻时的褪色、质地变软等问题。

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But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。