英语人>网络例句>氯甲烷 相关的搜索结果
网络例句

氯甲烷

与 氯甲烷 相关的网络例句 [注:此内容来源于网络,仅供参考]

Using unacclimated sludge as seed, a bench-scale EGSB reactor was run. After a twostage startup, both dechlorination rate and SMA increased, organic loading rate and PCP loading rate reached 5. 4kg COD/ and 94. 7mg PCP/ respectively.

以未驯化污泥为种子,经过EGSB反应器两阶段的启动,厌氧颗粒污泥的比产甲烷活性和脱氯活性都得到极大提高,有机容积负荷和PCP容积负荷分别达到5.4kg COD/和94.7mg/。

Discussion Diphenylacetic acid can be prepared by the reduction of benzilic acid with hydriodic acid and red phosphorus,1 by carbonation of the reaction product of phenylsodium and diphenylmethane,2 and by hydrolysis of 1,1-dichloro-2,2-diphenylethylene.3

讨论 Diphenylacetic酸可编写的减少benzilic酸hydriodic酸和红磷, 1碳化反应产物phenylsodium和二苯基甲烷,第2和水解1,1 -二氯- 2 ,2 - diphenylethylene 0.3

L and 72L liquefied propane cylinders of liquefied propylene; 18L, 26L, 28L, 35L, 70L, 80L, 105L, 118L Series liquefied bromomethane cylinders; 400L, 800L liquid chlorine, liquid ammonia cylinder; 720L cylinders and three sulfur 926L, 1180L large size cylinders; 40L, 60L, 82L, 118L, 400L, 800L, 926L, F21, F22, R32, R134a refrigerant and other agents and other specifications of industrial gas cylinders.

b。 12.2L、40L液化丙烷和72L液化丙烯钢瓶;18L、26L、28L、35L、70L、80L、105L、118L系列液化溴甲烷钢瓶;400L、800L液氯、液氨钢瓶;720L三氧化硫钢瓶和926L、1180L大规格钢瓶;40L、60L、82L、118L、400L、800L、926L、 F21、F22、R32、R134a等各种制冷剂及其它规格工业气瓶。

Spiral Spirobifluorene acetylated is oxidated by m-chloroperoxybenzoic acid and hydrolyzed by sodium hydroxide ,obtaining 2,2 '- dihydroxy -9,9'- spiral Spirobifluorene .Through nitrification,Reduced by hydrazine hydrate, we may get the 2,2 '- diamino -9,9'- spiral Spirobifluorene which are characterizated by IR, 1H-NMR !

L-酒石酸和乙醇酯化得到酒石酸二乙酯,将保护羧基保护起来,然后用碘甲烷在2,3-位上两个甲基,得到2,3-二甲氧基-酒石酸二乙酯,再用氢氧化钠将其水解,得到2,3-二甲氧基-酒石酸,用五氯化磷将羧基酰化,得到2,3-二甲氧基- 1,4-丁二酰氯,经过与二环己胺反应,得到拆分配体2,3-二甲氧基–N,N,N',N'-四环己丁二酰胺。

With the aim of enhancing the nonlinear optical property of poly, poly[(thiophene-2,5-diyl)p-(N,N-dimethylamino) azobenzylidene] is prepared from 4-aldehyde-4'-dimethylamino azobenzene and thiophene through condensation polymerization reaction.

为了提高聚噻吩甲烯的非线性光学性能,通过4-醛基-4'-二甲胺基偶氮苯和噻吩的缩聚反应,合成了聚噻吩对二甲氨基偶氮苯甲烷,再用PTDMAAB与四氯苯醌发生脱氢反应合成了侧链含偶氮的聚噻吩甲烯。

One route was that the amino-groups on the silica gel were transformed to tertiary amines by Eschweiler-clarke reaction that amine-groups react with formaldehyde and methanoic acid to prepare tertiary amines; the silica gel intermediates with tertiary amine groups reacted with chorohydrocarbons to prepare insoluble silica gel quaternary ammonium salt bactericides. Another route was that the amino-groups on the silica gel reacted with excessive chlorohexadecane; the preparing intermediates were quaternized with iodomethane to obtain insoluble silica gel quaternary ammonium salt bactericides.

一条路线是根据埃施韦勒-克拉克(Eschweiler-clarke)胺甲基化反应,进行胺基叔胺化反应,制成带有叔胺官能团的硅胶中间体,此中间体上的叔胺与卤代烷反应生成杀菌活性官能团季铵盐,制成硅胶类水不溶性季铵盐杀菌剂;另一条路线是带有胺反应活性中心的硅胶与过量正氯代十六烷反应,得到的中间体再用碘甲烷季铵化,得到最终产品——水不溶性季铵盐杀菌剂。

From these experiments, it was confirmed that catalytic reductive dechlorination by zero-valent iron was a valid method to reduce the chloroform and tetrachloromethane in the wastewater from the chlorinated compound industry. The experiments results as above would been validated with the industrialisation Equipment.

实验结果表明,铁催化还原法可以有效的去除甲烷氯化物生产废水中的氯仿、四氯化碳;实验研究结果在中试工程中得到验证。

Any chlorine residues in the water may react with organic compounds to form harmful by-products such as trichloromethane that are difficult to remove and are known to be cancerous.

再者,水中的有机物质与氯产生化学反应后会形成有害化合物,如三卤甲烷,这些难以清除的化合物更被确定为致癌物质。

A new organic compound:N,N'-bis(1,10-phenanthroline-2-formacyl)-4,4'-diamino-diphenylmethane was synthesized via oxidation,esterification,substitution,hydrolysis, amidation of 1,10-phenanthroline as the starting material with chemical reagents (hydrogen peroxide,benzoyl chloride,potassium cyanide,sodium hydroxide solution,4,4'-diamino-diphenylmethane).

以邻菲啰啉为起始原料,与双氧水反应合成邻菲啰啉-N-氧化物,接着与苯甲酰氯、氰化钾、NaOH水溶液一一反应合成中间体邻菲啰啉-2-甲酸,再与4,4′-二氨基苯基甲烷进行酰胺化反应合成目标产物。

Adding too much chlorine and bromine to disinfect the water can result in creation of potentially harmful trihalomethanes.

但氯加多了,也有可能产生偏高的有害物质--总三卤甲烷。

第21/22页 首页 < ... 14 15 16 17 18 19 20 21 22 > 尾页
推荐网络例句

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.

双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。