• 文献上报道247个单官能团化合物作为未知物进行解析,成功率为97.2%。

    A test of the system with the published data of 247 mono-functional-group acyclic compounds showed a successful rate of 97.2%.

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  • 这种剧毒化合物碰巧非常活泼的,这使得能够锁定非常复杂但是稳定其他分子中。

    This extremely poisonous carbon compound happens to be very reactive, allowing it to lock in hugely complex but stable chains of other molecules.

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  • 土壤腐生菌“玫瑰霉菌”中发现天然化合物

    It is a naturally occurring compound found in the soil saprotroph "Streptomyces rose sports".

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  • 这种剧毒化合物碰巧非常活泼的,这使得能够锁定非常复杂但是稳定分子中。

    This extremely poisonous carbon compound happens to be very reactive, allowing it to lock in hugely complex - but stable - chains of other molecules.

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  • 这样能够打断碳水化合物形成而可用分子同时生物燃料中的移除保持住其中能量成分

    It was thus able to break down long carbohydrate chains to form small, useable molecules while simultaneously removing the oxygen and maintaining the energy content of the biofuel.

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  • 细菌吃掉原油所占比重成为一个未知数。细菌吃石油本质上是无害化合物提炼出来纳入食物

    An unknown percentage of the oil would have been eaten by bacteria, essentially rendering the compounds harmless and incorporating them into the food chain.

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  • 乙醛帮助醛脱去羰基形成仅有碳氢原子组成碳氢化合物

    The enzyme aldehyde decarbonylase helps remove this group to form a chain of hydrogen and carbon atoms--the hydrocarbon.

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  • 这种特殊变化的塑料碳氢化合物通过微细金属而成。

    The ‘ingenious and transformativeplastic is made up of long chains of hydrocarbonsgluedtogether by tiny plugs of metal.

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  • 含有高能量外,碳氢化合物适合构建复杂分子塑料药品

    Besides having a high energy density, the long chains of hydrocarbons are also good building blocks for constructing more complex molecules, such as plastics and pharmaceutical drugs.

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  • 聚苯乙烯泡沫塑料一种加工塑料主要被称作苯基环构成,苯基团连接降解更小苯乙烯单元碳氢化合物上。

    Polystyrene foam is a manufactured plastic primarily made up of rings of carbon and hydrogen, called phenyl groups, attached to long hydrocarbon chains that can break into smaller styrene units.

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  • 陨石可能已经释放了化合物包括碳氢化合物大量富含

    Meteorites may have released compounds including hydrocarbon chains and a large amount of ammonia, which is rich in nitrogen.

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  • 聚氨酯称为氨基甲酸含有重复氨基甲酸酯基团大分子化合物统称

    The full name of the polyurethane is the poly - urethane, which is a general designation of the macromolecular compound containing repeated amino acid ester groups.

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  • 此外,根据红外光谱特征分析,可以知道蜡泌的化学成分主要为长脂肪酸、脂肪醇一些芳香化合物

    Based on the infrared spectra, it is suggested that the scale insects waxy compounds are composed majorly by long-chain fatty alcohol and fatty acids and some compounds with aromatic ring.

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  • 近期进展利用手性辅助试剂不对称合成环状1,4-二羰基化合物

    Recent developments making use of chiral auxiliaries have put forward the versatility of procedure for the asymmetric synthesis of linear and cyclic 1,4-dicarbonyl compounds.

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  • 通过模拟实验发现各种化合物反应形成噻吩系列化合物

    Through the simulation experiment it is concluded that sulphur can react with different kinds of chain compounds to form thiophene series compounds.

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  • 丙戊为一侧脂肪酸类化合物临床治疗多种类型癫痫的线药物

    Valproic acid (VPA) is a compound of fatty acid and a commonly used anti-epileptic drug.

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  • 我们通过一锅法合成不对称化合物缩短化合物方法降低分子的对称性

    We have synthesised unsymmetrical compounds through a "one-pot"process, achieving reduced symmetry by shortening one side chain of target compound.

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  • 结果表明炼油厂生化曝气池酚类芳烃化合物去除效果较好,脂肪去除率相对较低

    The results showed that the removal efficiencies of phenols and aromatic compounds are high, whereas those of aliphatic hydrocarbons are low by the biochemical aeration process in the refinery.

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  • 根据红外光谱特征分析推测泌物的化学成分可能主要是、长脂肪酸脂肪醇某些芳香化合物组成。

    Based on the infrared spectra, it was suggested that the scale insect's waxes be composed most by long-chain hydrocarbons, fatty alcohols, fatty acids and some compounds with aromatic rings.

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  • 霉菌s- 254菌株产生凝血酶抑制剂组分肽类化合物

    Thrombin inhibitor produced by Streptomyces strain S-254 is a multi - component peptides compound.

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  • 黄色结晶化合物C22 H24n2o8人工合成霉菌微生物用做广谱抗生素

    A yellow crystalline compound, C22H 24n 2o 8, synthesized or derived from certain microorganisms of the genus Streptomyces and used as a broad-spectrum antibiotic.

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  • 本文研究了不同化合物修饰脂肪酶有机溶剂中催化脂肪酸脂肪醇酯化反应。

    The esterification reaction of a long chain fatty acid and a fatty alcohol catalyzed by sugar ester modified lipases in organic media was studied.

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  • 矿物油一种混合物,由长短不一几个碳氢化合物混合而成。

    The mineral oils are a mix of several hydrocarbons with different length of carbon chain.

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  • 内源性大麻素物质来源于细胞膜前体物质,具有类物质特征,包括氨基化合物脂肪酸

    Endogenous cannabinoids (endocannabinoids), which are synthesized from lipid precursors in plasma membranes, are signaling lipids consisting of amides and esters of long chain fatty acids.

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  • 目标化合物甘油、硝基甲烷方向起始核心,以碳原子对称分散的化合物13分支

    Three branched monomers 1 ~ 3, possessing 3 - fold symmetry and branches emanating from a tetrahedral carbon branch point, were utilized as the key building block in the dendrimer syntheses.

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  • 本文异黄酮化学修饰出发综述该类化合物衍生物合成研究

    This research advance was summarized in synthetic methods of the isoflavone derivatives in chemical modification.

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  • 产品说明淀粉化学式为(C6H10O5)n大量葡萄糖单元通过糖苷组成的多糖化合物

    DESCRIPTION STARCH, chemical formula (C6H10O5) n, is a polysaccharide carbohydrate consisting of a large number of glucose units joined together by glycosidic bonds.

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  • 采用拆分紫杉醇合成生成对映异构体化合物方法。

    A novel enzymatic resolution of an enantiomeric mixture, from the synthesis of side chain of taxol, using beef liver esterase is described.

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  • 采用拆分紫杉醇合成生成对映异构体化合物方法。

    A novel enzymatic resolution of an enantiomeric mixture, from the synthesis of side chain of taxol, using beef liver esterase is described.

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