将文献上报道的247个单官能团开链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%.
这种剧毒的碳化合物碰巧是非常活泼的,这使得它能够锁定在非常复杂但是稳定的其他分子链中。
This extremely poisonous carbon compound happens to be very reactive, allowing it to lock in hugely complex but stable chains of other molecules.
它是在土壤腐生菌“玫瑰链霉菌”中发现的一种天然化合物。
It is a naturally occurring compound found in the soil saprotroph "Streptomyces rose sports".
这种剧毒的碳化合物碰巧是非常的活泼的,这使得它能够锁定在非常复杂但是稳定的分子链中。
This extremely poisonous carbon compound happens to be very reactive, allowing it to lock in hugely complex - but stable - chains of other molecules.
这样就能够打断碳水化合物长链来形成小而可用的分子,而同时将生物燃料中的氧移除并保持住其中的能量成分。
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.
将被细菌吃掉的原油所占比重成为一个未知数。细菌吃石油本质上是将无害化合物提炼出来并将其纳入食物链。
An unknown percentage of the oil would have been eaten by bacteria, essentially rendering the compounds harmless and incorporating them into the food chain.
乙醛脱羧酶帮助醛脱去羰基形成仅有碳氢原子组成的链,即碳氢化合物。
The enzyme aldehyde decarbonylase helps remove this group to form a chain of hydrogen and carbon atoms--the hydrocarbon.
这种特殊的能变化的塑料是由长链碳氢化合物通过微细金属“胶”合而成。
The ‘ingenious and transformative’ plastic is made up of long chains of hydrocarbons ‘glued’ together by tiny plugs of metal.
除含有高能量外,长链碳氢化合物也适合构建更复杂的分子,如塑料和药品。
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.
聚苯乙烯泡沫塑料是一种加工塑料,主要由被称作苯基团的碳环和氢环构成,苯基团连接到能降解成更小苯乙烯单元的长链碳氢化合物上。
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.
陨石可能已经释放了化合物,包括碳氢化合物链和大量氨,富含氮。
Meteorites may have released compounds including hydrocarbon chains and a large amount of ammonia, which is rich in nitrogen.
聚氨酯全称为聚氨基甲酸酯,是主链上含有重复氨基甲酸酯基团的大分子化合物的统称。
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.
此外,根据红外光谱特征分析,可以知道该虫蜡泌物的化学成分主要为长链脂肪酸、脂肪醇和一些带芳香环的化合物。
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.
近期进展是利用手性辅助试剂,不对称合成链状和环状的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.
通过模拟实验发现硫能和各种链状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.
丙戊酸为一侧链脂肪酸类化合物,是临床治疗多种类型癫痫的一线药物。
Valproic acid (VPA) is a compound of fatty acid and a commonly used anti-epileptic drug.
我们通过“一锅法”合成不对称化合物,缩短了化合物上一条侧链的方法来降低分子的对称性。
We have synthesised unsymmetrical compounds through a "one-pot"process, achieving reduced symmetry by shortening one side chain of target compound.
结果表明,炼油厂生化曝气池对酚类及芳烃类化合物的去除效果较好,而长链脂肪烃的去除率相对较低;
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.
根据红外光谱特征分析,推测该虫蜡泌物的化学成分可能主要是由长链烃、长链脂肪酸、脂肪醇和某些带芳香环的化合物组成。
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.
链霉菌s- 254菌株产生的凝血酶抑制剂是多组分的肽类化合物。
Thrombin inhibitor produced by Streptomyces strain S-254 is a multi - component peptides compound.
黄色结晶化合物,C22 H24n2o8,人工合成或得自链霉菌属微生物,并用做广谱抗生素。
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.
本文研究了不同糖脂化合物修饰的脂肪酶在有机溶剂中催化长碳链脂肪酸和脂肪醇的酯化反应。
The esterification reaction of a long chain fatty acid and a fatty alcohol catalyzed by sugar ester modified lipases in organic media was studied.
矿物油是一种混合物,由长短不一的碳链和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.
内源性大麻素物质来源于细胞膜上的脂类前体物质,具有脂类物质的特征,包括氨基化合物和长链脂肪酸。
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.
目标化合物以甘油、硝基甲烷为三方向起始核心,以从季碳原子三倍对称分散的化合物1~3为分支侧链。
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.
本文从异黄酮侧链化学修饰出发综述了该类化合物衍生物的合成研究。
This research advance was summarized in synthetic methods of the isoflavone derivatives in chemical modification.
产品说明淀粉化学式为(C6H10O5)n,是大量葡萄糖单元通过糖苷链组成的多糖碳水化合物。
DESCRIPTION STARCH, chemical formula (C6H10O5) n, is a polysaccharide carbohydrate consisting of a large number of glucose units joined together by glycosidic bonds.
采用牛肝酯酶拆分紫杉醇侧链合成中生成对映异构体化合物的新方法。
A novel enzymatic resolution of an enantiomeric mixture, from the synthesis of side chain of taxol, using beef liver esterase is described.
采用牛肝酯酶拆分紫杉醇侧链合成中生成对映异构体化合物的新方法。
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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