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Quinoline co-substrate biodegradation with other compounds such as glucose, phenol and pyridine were analyzed.

研究了喹啉与葡萄糖、吡啶、苯酚等物质共基质时的生物降解情况。

We examined the association between intakes of the heterocyclic amines 2-amino-3,8-dimethylimidazo[4,5,-f]quinoxaline, 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine,2-amino-3,4,8-trimethylimidazo[4,5,-f] quinoxaline, and meat-deried mutagenicity and risk of distal colon adenoma using a cooking method questionnaire administered in 1996 in the Health Professionals Follow-up Study cohort.

我们卫生保健跟踪调查组采取烹调方法调查表的形式在1996年调查了摄入杂环胺2-氨基-3,8丙烷[4,5,-f] 喹噁啉,2-氨基-1甲基1-6-苯基亚氨基[4,5-b] 吡啶,2-氨基3,4,8-trimethylimidazo[4,5,-f] 喹噁啉和肉类衍生致突变物与患末端结肠腺瘤危险性的关系。

We examined the association between intakes of the heterocyclic amines 2-amino-3,8-dimethylimidazo[4,5,-f]quinoxaline, 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine,2-amino-3,4,8-trimethylimidazo[4,5,-f] quinoxaline, and meat-derived mutagenicity and risk of distal colon adenoma using a cooking method questionnaire administered in 1996 in the Health Professionals Follow-up Study cohort.

我们卫生保健跟踪调查组采取烹调方法调查表的形式在1996年调查了摄入杂环胺2-氨基-3,8丙烷[4,5,-f] 喹噁啉,2-氨基-1甲基1-6-苯基亚氨基[4,5-b] 吡啶,2-氨基3,4,8-trimethylimidazo[4,5,-f] 喹噁啉和肉类衍生致突变物与患末端结肠腺瘤危险性的关系。

A series of N -bonded donor-acceptor derivatives of phenothiazine containing phenyl, anisyl, pyridyl, naphthyl, acetylphenyl, and cyanophenyl as an electron acceptor have been synthesized.

合成了一系列的N10位取代的吩噻嗪给体受体衍生物,这些受体基团包括苯,苯甲醚,吡啶,萘,苯乙酮和苯甲腈。

In part one, the reactions of some active fluorine-containing compounds such as 2, 2-dihydropolyfluoroalkanoic acids and ethyl 2-hydropolyfluoroalkenoates were studied and various fluorine-containing heterocyclic compounds were synthesized. Using 2, 2-dihydropolyfluoroalkanoic acids as the starting material, 4-fluoroalkyl quinolin-2-ols, 2- [ -1-hydropolyfluoro-1-alkenyl] -4H-3, 1-benzoxazin-4-ones, 1-aryl -4, 9-dihydro-3-fluoro-alkyl-1H-pyrazo [3, 4-b] quinolin-4-ones, 5-fluoroalkyl-12H-quin olino [2, 1-b] quinazolin-12-ones, 4-fluoroalkyl-1, 3-dihydro-1, 5-benzodiazepin-2-ones and 4-fluoroalkyl-2H-pyrido [1, 2-a] pyrimidin-2-ones were synthesized through its condensation reaction with anilines, anthranilic acid, N'-aryl-o-aminobenzamides, o-nitro aniline, o-amino pyridine and their derivatives and the subsequent transformations. 5-Fluoroalkyl isoxazolidines, 3-fluoro-3-fluoroalkylisoxazolidino [4, 3-c] quinolin-4-ones, 3-fluoroalkylisoxazolino [4, 3-c] quinolin-4-ones and 2-aryl-3per fluoroacylindoles were synthesized by inter-and intramolecular 1, 3-dipolar cycloaddition of fluorine-containing olefins and nitrones.

第二部分,我们研究了α,α-二氟苄基卤类化合物的亚磺化脱卤反应、产物的转化及全氟烷基亚磺酸盐与芳环化合物的全氟烷基化反应,发现全氟苄基碘或溴及α,α一二氟苄基溴在保险粉等亚磺化脱卤试剂引发下可生成相应的亚磺酸盐;全氟苄基亚磺酸盐与氯气或溴反应可生成全氟苄基磺酰氯或磺酰溴;在烯烃存在下,全氟苄基碘则与烯烃发生加成反应,生成相应的1:1加成产物;在三价醋酸锰的作用下,部分芳香化合物如茴香醚,二甲氧基苯,吡啶,喹啉等可以和过量的全氟烷基亚磺酸盐发生双全氟烷基化反应,反应表现出一定的区域选择性,产率良好。

A novel liquid crystalline compound named p-phenylenediamine di 4-[2- benzamide] was synthesized from allyl 2-hydroxyethylether, ethyl 4-hydroxybenzoate and p-phenylenediamine.

以乙二醇单烯丙基醚、对羟基苯甲酸乙酯、对苯二胺为原料合成了末端为不饱和双键的芳香聚酰胺溶致型液晶化合物——二对烯丙氧基乙氧基苯甲酰对苯二胺,最佳合成的摩尔比为∶羧酸∶对苯二胺∶吡啶=2。

Major product lines include various kinds of boronic acids, pyridines, indoles, imidazoles, as well as many other fine chemicals.

公司主要产品包括各种硼酸,吡啶,吲哚,咪唑,和其它精细化工产品和有机化合物。

The center can finish various kinds of reactions, such as reactions in low temperature(-80℃)and high temperature(300℃), hydrogenation reactions and so on. Especially in synthesizing primidine, pyridine, thiophene, quinoline and boronic acid, Yield lies at the leading level in China.

研发中心可以按客户需求完成各种低温(-80℃)、高温(300℃)、高压氢化等反应,尤其在嘧啶、吡啶、喹啉、噻吩及有机硼酸类化合物的合成方面,博鸿在国内同行业中处于领先水平。

In contrast to S- and O-heterocyclic compounds, increasing ionic strength reduced the sorption of ionizable N-heterocyclic compounds (pyridine, 2-methylpyridine, quinoline, 2-methylquinoline, and isoquinoline), due to increased electrostatic competition by cations.

对比硫和氧类杂环物质,提高离子强度会减少杂环化合物的吸收(吡啶、2甲基吡啶、喹啉、2甲基喹啉和异喹啉)这主要是由于阳离子的静电竞争。

In searching for novel and high active fungicides with pyridyl moiety, with Dimethomorph as a model compound and isonicotinic acid as the main starting material, twenty-seven title compounds were designed and synthesized through chlorination, Friedel-Crafts acylation, Wittig-Horner reaction and other steps. All the target structures were confirmed via 1H NMR and elementary analysis.

为了寻找具有高活性的含吡啶杂环杀菌剂,以烯酸吗啉为模板化合物,以异烟酸为起始原料,通过卤代反应、Friedel-Crafts酰基化反应、Wittig-Homer反应等,将吡啶-4-基或2-氯吡啶-4-基引入到模板结构中,设计合成了27个4-[3-(吡啶-4-基)-3-取代苯基丙烯酰]吗啉类化合物,其结构通过1H NMR和元素分析确证。

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