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benzene ring相关的网络例句

查询词典 benzene ring

与 benzene ring 相关的网络例句 [注:此内容来源于网络,仅供参考]

It is rather instructive for the further researches for the interaction of radiation with polymeric compounds, especially for the research of the ring benzene.

对于高分子化合物尤其是具有苯环结构的有机高分子化合物的外场作用特性的研究具有参考价值。

Where necessary, nitrogen heteroatom substitution in a six-membered ring was modelled by alteration of the heat of formation by the same amount as benzene to pyridine conversion.

硫磺桥梁在phenanthro[4,5-bcd]thiophene 由转换塑造了从氧气桥梁在4H-cyclopentaphenanthrene 成硫磺桥梁使用区别在丁烷和dimethylthioether 之间。

With polyoxyethylene nonyl phenol ethers (OP-10) as emulsifier and dodecyl benzene sulfonic acid as catalyst, hydroxy organosilicon microemulsion was prepared through octamethylcyclotetrasiloxane (D4) open-ring polymerization under certain conditions.

以壬基酚聚氧乙烯醚(OR-10)作乳化剂,十二烷基苯磺酸为催化剂,通过八甲基环四硅氧烷(D4)开环聚合,在一定条件下合成了端在基聚二甲基硅氧烷微乳液。

Many of the aza quinazolines have showed potent activity, such as pyrido[2,3-d]pyrimidine, pyrido [3,2-d]pyrimidine, pyrido[4,3-d]pyrimidine, pyrido[3,4-d]pyrimidine, and pyrimido [5,4-d]pyrimidine. Moreover, the compounds that the benzene in quinazoline ring was substituted by five-member rings, such as pyrrolo[2,3-d]pyrimidine, pyrazolo[3,4-d]pyrimidine, can also inhibit the EGFR and show bright prospects.

然而喹唑啉环并非EGFR抑制剂所必须的,在随后的研究中,人们发现许多氮杂喹唑啉类也有很好的活性,如吡啶并[2,3-d]嘧啶类、吡啶并[3,2-d]嘧啶类、吡啶并[4,3-d]嘧啶类、吡啶并[3,4-d]嘧啶类、嘧啶并[5,4-d]嘧啶类,也就是在喹唑啉环的5,6,7,8-位都可以氮杂,且都有活性。

From the structure, tetraazaparacyclophane is a ring compound with benzene rings connected by nitrogen-containing carbon bridges. It has a well-defined hydrophobic cavity.

四氮杂环蕃从结构来看是由氮杂碳桥将芳香环连起来的环状化合物,分子内具有空腔,该空腔上的芳环呈侧立状,具有一定的深度,并具有疏水性。

This company is specialized in the production of ANKANG piston ring,piston,piston pin and bush series used for various imported and homemade benzene engine ,farm truck ,motorcycle , air compressor ,ship and internal-combustion engine of engineering machinery.

公司十年来一直以出口为主,现有员工300余人,技术人员20余人,专业生产"安康"牌各种进口,国产汽油机车、农用车、摩托车、空压机、船用及工程机械内燃机的活塞环、活塞、活塞销、轴瓦等系列产品。

Inside benzene or toluene solvent, in the presence of stannous octoate as catalyst and under the conditions of no water, no oxygen, heating and stirring, MPEG and aliphatic cyclic monomer are ring-opening polymerized to obtain binary block MPEG-aliphatic polyester copolymer.

聚乙二醇单甲醚和脂肪族环酯单体,在苯或甲苯溶剂中,在无水无氧,加热和搅拌的条件下,用辛酸亚锡为催化剂,开环聚合得到聚乙二醇单甲醚-脂肪族聚酯二嵌段共聚物。

The main intermediates were detected during decomposition,such as acetic acid,oxalic acid,malonic acid,phenol,3-hydroxyhypnone,naphthalene,benzene sulfonic acid,phthalic acid,β-naphthalene etc . by ultraviolet-visiblespectroscopy,ion chromatographand gas chromatograph coupled with mass spectrophotometertechniques.The possible degradation pathway of Acid Orange Ⅱ was also speculated,that was,hydroxyl radical reacted with the azo linkage-bearing carbon of naphthol-ring,and the C—N cleaved,the azo-dye decolored and mineralized.

运用紫外光谱、离子色谱、色谱-质谱联用等方法,测定出酸性橙Ⅱ的主要降解产物有乙酸、乙二酸、丙二酸、苯酚、3-羟基苯乙酮、萘、苯磺酸、邻苯二甲酸、β-萘酚等,并依此推测酸性橙Ⅱ的降解机理,即羟基自由基攻击酸性橙Ⅱ分子上与萘环相连的C—N键,导致C—N键的断裂,进而染料脱色矿化。

This company is specialized in the production of ANKANG piston ring,piston,piston pin and bush series used for various imported and homemade benzene engine ,farm truck ,motorcycle , air compressor ,ship and internal-combustion engine of engineering machinery.

公司十年来一直以出口为主,现有员工300余人,技术人员20余人,专业生产&安康&牌各种进口,国产汽油机车、农用车、摩托车、空压机、船用及工程机械内燃机的活塞环、活塞、活塞销、轴瓦等系列产品。

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推荐网络例句

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称;三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起,称之为挽歌体诗人或者史诗诗人,他们被称为诗人,似乎只是因为遵守格律写作,而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。

This is not paper type of business,it's people business,with such huge money involved.

这不是纸上谈兵式的交易,这是人与人的业务,而且涉及金额巨大。