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- A new method for recovering 1,2-dichloropropane from waste liquor in propylene oxide production was developed. 介绍了从环氧丙烷生产废液中回收1,2-二氯丙烷的新方法。
- How to deal with waste liquor in organic experiments? 有机类实验废液的处理方法?
- The waste liquor was pretreated by acidification and flocculation. 采用酸析-絮凝法预处理废液。
- The factory emptied the production waste into the river. 工厂把生产废料倾倒进了河里。
- A process of removing impurity from pickling waste liquor had been developed. 对酸洗废液除杂质的工艺方法进行了试验研究。
- The best process includes the solid aluminium salt prepared first,then,adding into treated phosethyl-Al waste liquor,finally,mixed,reacted,dewatered and crystallized to obtain the finished product. 最佳的工艺路线是先进行固体铝盐的制备,然后再加入经过处理的乙磷铝废液,混合反应后结晶、脱水制得成品。
- The waste liquor from this scouring step was agitated with 0.15% of its weight of colloidal bentonite. 该洗涤工序排出的废水;同其重量的0.;15%25的胶性皂土混合。
- The principle of dechromation consists in sorption of chrome from waste liquor after tanning to chrome sludge. 除去铬的原理是揉后的铬污泥从废液中吸收铬。
- The data obtained from experiments can be used to engineering design of the vaporizer for the waste liquor processing. 比定压热容随固含率增加稍有降低,随温度升高则有较大增加.;测试结果可供味精废液蒸发器的工程设计使用
- A method for the determination of fluorine in tantalum and niobium production waste liquid by (superscript 19)F-NMR technology was developed. 摘要建立了一种核磁共振波谱测定钽、铌生产的废液中氟含量的方法。
- How much water should you be drinking each day to dissolve product waste and flush out toxins from your body? 你要多少水可以饮用,每天解散清除毒素和废物产品从你的身体?
- Atmospheric distillation,vacuum distillation and azeotropic distillation processes were used to separate 1,2-dichloropropane from the waste liquor. 采用常压精馏、减压精馏、共沸精馏工艺分离环氧丙烷生产废液中的1,2-二氯丙烷。
- Abstract: The methods to determine the chrome content of waste liquor of modified two-bath chrome tanning process were studied by chemical analysis. 文摘:研究了变型二浴法的鞣制废液中,铬含量测定的化学分析方法。
- The technological process for preparing phosphorous acid from the production waste of sodium hypophosphite was described. 介绍了从次磷酸钠生产废渣中回收提取亚磷酸的工艺。
- The use of the waste liquor from nitric acid plant for the regeneration not only has advantages of saving hydrochloric acid for the regen... 把硝酸生产过程中产生的废液用于除盐水阳床的再生,既节省了阳床再生所需的盐酸,又节省了镁尾水在排放过程中所需的烧碱;
- There were more carboxyl groups condensed guaiacyl units and guaiacyl primary alcohol in the waste ASP liquor than those in KP waste liquor. 与KP相比,ASP废液中木素含有较多的羧基、缩合型愈创木基结构以及愈创木酚型的伯醇醚.
- Raw material and production process: Main raw material (96.5%) is recycled / calcined industrial by product waste gypsum which is abundantly available in India. 原材料及生产过程:主要原材料(96.;5%25)是回收/煅烧的工业副产品废石膏,在印度很丰富。
- A process for recovering acetic acid,o phthalic acid,p phthalic acid (PTA),cobalt acetate and manganese acetate from PTA waste liquor is introduced. 介绍了从精对苯二甲酸(PTA)废液中回收醋酸,邻、对苯二甲酸,醋酸钴锰盐的回收工艺。
- A large number of structures of benzene methyl and methylene groups but rare aralkyl ether linkage existed in the waste liquor. 两种废液木素中都含有大量的苯环及甲基、亚甲基结构,几乎不存在烷基芳基醚键结构;
- Mengenta pulp A sulphite pulp made using magnesium bisulphite rather than calcium bisulphite in the cooking process. The magnesium waste liquor can be chemically recovered. 亚硫酸镁浆在煮浆过程中,采用亚硫酸氢镁代替亚硫酸氢所造成的亚硫酸盐纸浆。镁质的废水可用化学方法回收。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries