查询词典 naphthalene

The highly efficient and versatile synthetic strategies can be applied for synthesizing novel coplanar chromophores, for example, introduce new arenes such as naphthalene or benzothiophene boronic acid as the constituted units of the conjugated backbone.

利用类似的反应条件，我们可以引入萘环及苯骈噻吩基团到共轭主轴上，合成新型共平面材料。

A bacterial strain using phenol, benzoate, naphthalene, biphenyl and benzothiophene as sole carbon and energy sources was isolated from waste sludge and was identified as Rhodococcus sp. strain DF51 according to morphological, physiological and its 16S rRNA gene sequence.

从太原市郊苯酚污染的土样中分离到一株能以苯酚、苯甲酸、萘、联苯和苯并噻吩为唯一碳源和能源生长，并且具有同时分解单环和双环芳香类物质能力的菌株，经生理生化和16S rDNA基因序列分析鉴定为红球菌DF51Rhodococcus sp。

Objective: To study the effects of the benzylamine compounds on antifungal activities after introducing large substitutes to the α-C of side chain of naphthalene ring.

目的：研究在萘环侧链α位引入大基团对苄胺类化合物抗真菌活性的影响。

The introduction of large substitutes to the α-C of side chain of the naphthalene ring reduces the antifungal activitie s of benzylamine compounds.

在萘环侧链α位引入大基团降低了苄胺类化合物的抗真菌活性。

The introduces binaphthyl bisphenol monomer on side-chain benzene ring of sulfonic group on molecular level, prepares sulfonated poly aryl ether with sulfonic group only on naphthalene ring of side chain, so that ensures chemical stability of main chain with high molecular weight, while having no influence on mechanical property thereof.

本发明从分子水平出发，将磺酸基在侧链苯环上的联萘双酚单体引入，制备仅在侧链苯环上有磺酸基的磺化聚芳醚，从而保证了高分子主链的化学稳定性，且不会影响其优异的物理机械性能。

Naphthalene was used as internal standard substance in the analysis method. ResultsThe standard curve of bornyl acetate was linear over the range of 0.109 6～1.753 6 μg,r=0.999 6.The mean recovery of bornyl acetate was 101.33％,RSD=1.79%.

结果在该色谱条件下，乙酸龙脑酯在进样量0.109 6～1.753 6 μg范围内呈良好线性关系，r=0.999 6；乙酸龙脑酯的加样回收率为101.33％，RSD=1.79%。

From Cacalia deltophylla (collected from Luqu County, Gansu Province), 22 compounds were isolated, of which 15 compounds have been identified. Among them, two compounds are new. They are named as 3-methyl-4-hydro-8-acetyl-furanonaphth-9-one and 1hydroxy-2-methoxy-3-acetyl-4, 8-dimethyl-5, 8-dihydro-naphthalene.

从采自甘肃省碌曲县的三角叶蟹甲草全草的甲醇提取物的石油醚部分和乙酸乙酯部分中，采用同样方法分离得到22个化合物，鉴定了其中的15个化合物，其中有2个为新化合物，分别命名为3-甲基-4-氢-8-乙酰基-呋喃萘-9-酮（2）和1-羟基-2-甲氧基-3-乙酰基-4，8-二甲基-5，8-二氢-萘（3）。

The article introduced that α-Naphthaleneacitic acid was synthesized from naphthalene and chloroacetic acid in presence of aluminium powder.

介绍了萘和氯乙酸在铝粉催化下合成α—萘乙酸的研究。

Aromatic rings can be joined at a pair of adjacent carbons to yield compounds such as naphthalene, anthracene and chrysene

芳环能在一对相邻碳上结合，生成萘、葸和？傅然油母质中的芳香烃结构含有被苯环共振键稳定的自由电子。

The principal PAHs compounds in study area were naphthalene,phenathrene and chrysene.

研究区主要污染物为Nap、Phe和Chr/y。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。