报道了通过串联环加成芳构化反应合成多取代芳族化合物的方法。
The synthesis of polysubstituted aromatic compounds by using a tandem cycloaddition aromatization reaction was reported.
同时有增加一些芳香族化合物。
At the same time there is an increase in some aromatic compounds.
乙炔基取代的芳族化合物，其合成，聚合物及其用途。
Ethynyl substituted aromatic compounds, its synthesis, polymer and use thereof.
乙炔基取代的芳族化合物，其合成，聚合物及其用途。
Ethynyl substd. aromatic compounds, synthesis, polymers and USES thereof.
氧化反应是对芳香族化合物进行官能团转化的重要方法之一。
Oxidation reaction is an important method for the conversion of functional groups in aromatic compounds.
原来它的组成除了大量的碳，还有各类芳香族化合物和硫化物。
They found that it was composed of various aromatic compounds and sulfides in addition to large quantities of carbon.
氯代芳香族化合物可在厌氧条件下通过还原脱氯作用得以降解。
In anaerobic environments, chlorinated aromatic compounds were usually degraded by reductive dechlorination.
本文报道用环加成-芳构化串连反应制备多取代芳香族化合物的方法。
The synthesis of polysubstituted aromatic compounds by using tandem cycloaddition aromatization reaction was reported.
他们发现原来它的组成除了大量的碳，还有各类芳香族化合物和硫化物。
They found that it was composed of various aromatic compounds and sulfides in addition to large quantities of carbon.
重点介绍了氟氯烃和芳香族化合物在固态冰相中的光化学反应和反应机理。
The photochemical reaction and mechanism of chlorofluorocarbons and aromatic compounds in solid ice was introduced chiefly.
介绍了含氟芳香族化合物的几种合成方法，叙述了卤交换氟代中的几个关键技术。
Several synthetic methods to synthesize fluorine - containing aroma tic compounds are introduced, and some key techniques in halo exchange and fluor o substitution are put forward.
半导体聚合物包括源自噻吩、吡咯、苯胺和多环杂芳族化合物的聚合物或共聚物。
Semiconductive polymers include polymers or copolymers derived from thiophenes, pyrroles, anilines, and polycyclic heteroaromatics.
因此非脂乳固体包括：蛋白质、乳糖、矿物质、维生素和少量的非蛋白氮族化合物。
Solids-not-fat therefore includes the protein, lactose, minerals, vitamins and minor nitrogenous compounds in milk.
金属硫族化合物是一类重要的功能材料，在光学、电子学及光电领域都有着重要的应用。
Metal chalcogenides are important functional materials with wide applications in the optical, electronic and optoelectronic field.
结果表明：烈香杜鹃精油化学成分以高级脂肪酸酯、酮、芳香族化合物及芳香杂环化合物为主。
The results showed that the volatile constituents of Rhododendron athopogoides Maxim, mainly includes aliphatic acid and ester, aldehyde, ketone, aromatic and its heterocyclic compounds.
通过氧化反应可以由芳香族化合物得到酚、醛、酮、醌和羧酸等重要的有机中间体和精细化学品。
Phenols, aldehydes, ketones, quinones, carboxylic acids and many other important organic intermediates for fine chemicals can be obtained by oxidizing aromatic compounds.
咖啡中的一些成分有助于咖啡的抗氧化能力，包括可以被有效吸收的苯酚、可挥发的芳香族化合物、唑。
Several compounds in coffee may contribute to its antioxidant capacity, including phenols, volatile aroma compounds and oxazoles that are efficiently absorbed.
芳香族化合物，如芳胺、苯酚和氨基苯酚等有机化合物，通常用于保持橡胶的弹性和汽油中的黏性沉淀物。
Aromatic compounds such AS aromatic amines, phenols, and aminophenols delay loss of elASticity in rubber and gummy deposits in gASoline.
这个实验小组用这样的电池用来降解水样中的芳香族化合物，偶氮染料，药物，个人护理产品和内分泌干扰物。
The team used the cell to clear aromatics, azo dyes, pharmaceuticals, personal care products and endocrine-disrupting compounds from wastewater samples.
改性膨润土可去除水体中的重金属离子、芳香族化合物、有毒难生物降解有机物，还具有脱色、脱磷、除臭等作用。
The modified bentonite has better qualities and ability of decolorization, sweeten and removing heavy metal cations and aromatic compounds and hard biodegradable harmful organic compounds.
从相转移催化剂的种类、原理、反应条件以及它在卤代芳香族化合物氟化反应中的应用等方面对相转移催化剂的作用进行概括和总结。
The application of phase transfer catalysis in fluorination of halo-aromatic compounds, mechanism, variety and reaction condition of fluorination are reviewed in this article.
这是因为B族维生素复合物参与脑细胞的所有生理过程，从维持脑细胞健康到代谢碳水化合物产生能量。
That's because compounds in the B complex are needed for everything from the healthy maintenance of brain cells to the metabolism of carbohydrates, the brain's source of fuel.
同时它还降低了过氧化氢物的含量，过氧化氢物是另外一族能导致细胞破坏的化合物。
It also cut the level of hydroperoxides, another group of oxidising agents that cause cell damage.
芳香族醛类化合物是非常重要的一类精细化学品，具有很广阔的市场前景。
The aromatic aldehyde compounds are a kind of fine chemicals and have the very broad market prospect.
这种化合物属卟啉族，它可以使植物从二氧化碳和太阳光能中生成复杂的碳氢化合物。
This chemical compound belongs to the group of porphyries and enables plants to build up complicated hydrocarbons from carbon dioxide and the energy of sunlight.
胞嘧啶：嘧啶族的有机化合物。常被称为基，包含一个单环，内有氮原子和碳原子，还有氨群。
Cytosine organic compound of the pyrimidine family often called a base consisting of a single ring containing both nitrogen and carbon atoms and an amino group.
抗氧化剂，包括天然的或合成的化合物，例如某些维生素和矿物质，都能有助于减少由活性氧族带来的危害。
Antioxidants include natural and synthetic chemicals, including certain vitamins and minerals, which help to reduce the damage caused by ROS.
抗氧化剂，包括天然的或合成的化合物，例如某些维生素和矿物质，都能有助于减少由活性氧族带来的危害。
Antioxidants include natural and synthetic chemicals, including certain vitamins and minerals, which help to reduce the damage caused by ROS.
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