查询词典 aromatic hydrocarbon

Aniline point is used to characterize pure hydrocarbons and to indicate the aromatic content of hydrocarbon mixtures.

苯胺点用来表现纯净的碳氢化合物的特性并用于显示烃类混合物里的芳烃含量。

Aromatic A hydrocarbon derived from,or characterized by the presence of the benzene ring

芳烃 由苯环衍生出的、或因含有苯环而具有其特性的烃化物。

Aniline point is used to characterize pure hydrocarbons and toindicate the aromatic content of hydrocarbon mixtures.

苯胺点用来表现纯净的碳氢化合物的特性并用于显示烃类混合物里的芳烃含量。

Aniline point is used to characterize pure hydrocarbonsto indicate the aromatic content of hydrocarbon mixtures.

苯胺点用来表现纯净的碳氢化合物的特性并用于显示烃类混合物里的芳烃含量。

Hydrocarbon structural-group components in the hydrotreating of residual oils The residual oils were preseparated into 4 fractions by alumina/silica serial column A method for measuring the hydrocarbon structural-group components in saturated fraction, aromatic fraction, and resin fraction of residual oils was established using low resolution, high ionization voltage mass spectroscopy.

渣油加氢处理过程烃类结构族组成变化研究采用氧化铝/硅胶串联柱对渣油样品进行四组分预分离，建立了低分辨、高离子化电压质谱测定渣油饱和烃、芳烃和胶质组分烃类结构族组成的方法。

Organic compounds used as solvents include aromatic compounds and other hydrocarbon s, alcohols, esters, ethers, ketones, amines, and nitrated and halogenated hydrocarbon s.

有机化合物作为溶剂的有芳香族化合物及其它烃类、醇、酯、醚、酮、胺，还有硝化与氯化的烃类。

"Diazo:Relating to or containing a pair of bonded nitrogen atoms, one of which is also bonded to an aromatic hydrocarbon."

&重氮的：关于或含有一对结合的氮原子的，其中一个还结合一个芳烃。&

Adopting 30-second nitrocellulose as the main sticky material, using ethyl acetate, ketone, alcohol and aromatic hydrocarbon as a mixture solvent and modifying nitrocellulose with dimethyl phthalate plasticizer,the prescription of staple adhesive was designed with orthogonal experimental methodology.

选用30s 硝酸纤维素作为主要成膜物质，醋酸酯、酮、醇和芳烃作为组合溶剂，邻苯二甲酸酯类复合增塑剂对硝化棉进行改性，采用正交试验方法确定胶黏剂的配方。

It was found that the main reason why SBS containing oil was easy to yellow was that there is plenty of polycyclic aromatic hydrocarbon in the extender oil,PAH can easily turned quinones with yellow.Antiyellowing performance of SBS can be only developed in a little extent when antioxidants were added.The anti-yellowing performanc...

研究结果表明，充油SBS产品变黄的主要原因是油品中的稠环芳烃在光氧环境中易转化为黄色的醌，添加抗氧剂对延缓产品变黄的作用不大，通过催化加氢消除填充油中的芳烃或添加适当的光稳定剂可以提高产品的耐黄变性能。

The results showed when the weight ratio of linseed oil to rosin was less than 1.2, the product with following characters could be prepared i.e. molecular weight (averageM 6000~10000, PDI less than 4, n-heptane tolerance in the range of 5~20mL/2g, softening point more than 110℃ and good solubility in mineral oil, vegetable oil, aromatic hydrocarbon, MEK and ethyl acetate and so on. The product might be a new polymer for manufacturing rotary printing inks.

实验表明：m：m＜1.2时，所得产品分子量(平均值M6000~10000，分子量分布范围，庚烷容纳度在5~20mL/2g，软化点＞110℃，可溶于矿物油、植物油、芳香烃、丁酮和乙酸乙酯等溶剂中，是轮转油墨用的一种新型高分子聚合物。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。