phenols的例句大全

Carbolic acid ( or phenol ) : Organic compound, simplest member of the class of phenols.

石炭酸: 最简单的酚类有机化合物.

互联网摘选

Objective To explore the effective treatment by phenols chemical burn and poisoning.

目的探讨酚类化学烧伤和中毒有效的治疗方法.

互联网摘选

Phenols are poisonous pollutants produced in the production process of many kinds of industry.

酚类化合物是多种工业生产过程中排放的有毒污染物.

互联网摘选

Methods: The experience of 54 cases of phenols and poisoning were reviewed.

方法回顾54例酚类烧伤和中毒的经验.

互联网摘选

Dark chocolate phenols which promotes cardiovascular health.

黑巧克力富含的碱类物质有益心血管的健康.

互联网摘选

Conclusions: The alkanes substituted phenolshigher antioxidant activity than that of electron-withdrawing groups substituted phenols.

结论: 烷烃基类取代物易于抗氧化,卤代烃基或硝基类取代物抗氧化活性差.

互联网摘选

Phenols contents in the core was 2.7 times higher than that in the flesh.

分析表明,鸭梨果心有较高的底物含量,约为果肉的2.7倍.

互联网摘选

The major components of acidic fraction are phenols and organic acids.

酸性组分主要由酚类化合物和有机羧酸组成.

互联网摘选

With chlorine and phenols, of categories, like supporting alternative use quaternary more good results.

畜禽消毒剂特点:空气消毒.与含氯、酚类 、 氧化类 、 季铵盐类配套交替使用效果更加佳.

互联网摘选

Scientists previously have found that chocolate contains phenols.

科学家们以前还曾发现巧克力中含有石炭酸.

互联网摘选

Phenols and anilides can be nitrated with very dilute nitric acid.

酚类和酰基苯胺能被极稀的硝酸硝化.

词典精选例句

Nitrosophenols are formed very easily by the action of nitrous acid on phenols.

以亚硝酸作用于酚,很易制得亚硝基酚.

词典精选例句

The chemical constituents of Resina Draconis are mainly flavonoids, and a few of simple phenols and triterpenoids besides.

国产血竭的主要化学成分为黄酮类化合物，此外尚含有少量的简单酚类化合物和三萜类化合物。

互联网摘选

The maturity, important phenols , and tannin of quality claret species —— Cabernet Gernischet in different harvesting time were studied.

对优质红葡萄酒品种蛇龙珠在不同采收期的成熟度 、 重要酚类物质 、 单宁等进行研究.

网络文摘精选

Influence of Yellowing Environment on Changing Regulation of Total Phenols Content of Flue-cured Tobacco

变黄环境对烤烟总酚含量变化规律的影响

互联网摘选

Methods The condensation of 2-bromo-5,6-dimethoxy-indan-1-one with various aminoalkyl phenols in the presence of ( K_ ( 2) CO_ ( 3)) and acetonitrile gave the corresponding title compounds, and the in vitro AchE and BchE inhibitory activities were evaluated by the modified Ellman method.

方法在K2CO3和乙腈存在下，将2-溴-5,6-二甲氧基-1-茚酮与多种胺烷基苯酚缩合得到一系列苯氧茚酮类衍生物，并采用改进的Ellman方法研究它们的体外AchE和BchE抑制活性。

互联网摘选

More than 263 kinds of chemical components have been found in Ligusticum Chuanxiong Hort., including essential oils, lactones, phenols, organic acids, inorganic elements and so on.

已从川芎中发现263余种化学成分，涵盖挥发油、内酯类、酚性成分、有机酸以及无机元素等，尚无川芎多糖的报道。

互联网摘选

The phenols content is high and the median lethal temperature is low, then cold resistance is strong in the green up period, fist period of exuberance and withering period.

在高寒植物的返青期、草盛前期和枯黄期，酚类物质含量高，半致死温度低，抗寒性强；

互联网摘选

However, this method is time-consuming and energy-consuming. Therefore, this study adopted direct distillation instead of steam distillation, distilled water instead of phenol-free water to detect phenols in water and fish.

但是传统检测方法耗时耗能，因此本文采用直接蒸馏法代替水蒸汽蒸馏法，采用蒸馏水代替无酚水的方法。

互联网摘选

The main pollutants were phthalates, phenols and cyclic compound which had a high percentages ( 85%-94%).

自来水处理前、后所含的主要污染物均是邻苯二甲酸酯及酚类，环状化合物所占比例很大（85%～94%）。

互联网摘选