查询词典 naphthalene

In order to ensure the quality of raw materials, industrial naphthalene from the quality and source control; with a perfect quality control system and a full set of detection equipment so that product quality has reached the level of the domestic first-class and enhance the competitiveness of the product for the enterprise laid a good foundation.

为了保证质量，公司从原材料工业萘的质量和来源上进行控制；配合了完善的质量监控系统及全套检测仪器设备，使产品质量达到了国内一流水平，提高了产品的竞争力，为企业的发展奠定了良好的基础。

Catalytic WAO of naphthalene derivatives was then studied and CuO proved to be an excellent catalyst again.

在层状双电层化合物催化剂中，具有变价组份的组成更有利于提高催化剂的催化效率。

They marked a sample of naphthalene with a special atomic label so they could recognize it later and added it to the soil.

他们用特殊的原子标签在萘上做了记号，以便能在接下来的土壤实验中识别出来。

Termites, which produce naphthalene to protect their nest, which I m assuming is fairly large and in all four walls of his bedroom at home.

白蚁，其中生产妨O护自己的巢，而我假设是相当大，在所有四个卧室的墙壁，他在家中。

After experimental research on the pre-separation,stepped static crystallization,high quality technical naphthalene was obtained.

经过对原料预处理分离，分步静态结晶等过程的实验研究，确定了适宜的工艺条件，获得了高质量的工业萘。

A new method for directly producing naphthol from naphthalene is studied in this paper,in which spinel-type magnesium ferrite is used as the catalyst and hydrogen peroxide as the oxidant.

研究了萘一步催化氧化合成萘酚的新方法，该法以具有尖晶石结构的铁酸镁为催化剂，过氧化氢为氧化剂。

Naphthylamine is the intermediate of various dye products and the major raw materials of various rubber aging inhibitors,ɑ-naphthol produced with ɑ-naphthylamine is the major intermediate of pesticide carbaryl; KT-02 nickel catalyst is used to prepare naphthylamine by nitro-naphthalene catalytic hydrogenation, the product has high purity and high yield, and it's currently one of the best technological conditions, and the catalytic activity of the catalyst does not deteriorate after multiple times of recycle.

萘胺是多种染料产品的中间体，也是多种橡胶防老剂的主要原料，由ɑ-萘胺生产的ɑ-萘酚是农药西维因的重要中间体，KT-02型镍催化剂用于硝基萘催化加氢制备萘胺，产物纯度好、收率高，是目前最佳的工艺条件之一，且催化剂多次套用催化活性不减。

TiO2 catalyst supported, activated carbon, photocatalytic degradation, naphthalene compound,β-naphthol, L-acid,α-naphthylamine

负载TiO2催化剂，活性炭，光催化降解，萘系化合物，β-萘酚，L-酸，α-萘胺

The baseline separation of 9 neutral compounds (thiourea, benzene, toluene, ethyl benzene, n-propylbenzene, naphthalene, n-butylbenzene, fluorene and anthracene) and 7 acidic, basic and neutral compounds (thiourea, o-aminophenol, phenol, benzene, o-methylaniline,α-naphthylamine, 2,4-dichloroaniline) can be obtained under optimized capillary electrochromatographic conditions.

在该均相硅胶基质整体柱上成功地分离了9种中性物质(硫脲、苯、甲苯、乙基苯、正丙苯、萘、正丁基苯、芴和蒽)以及7种中性、酸性和碱性物质(硫脲、邻氨基酚、苯酚、苯、邻甲苯胺、α-萘胺和2，4-二氯苯胺)。

Preparation of low density poly (4 methyl 1 pentene) foam is described.The thermal analysis method is utilized to measure on line the gelation of pmp polymer in the binary solvent (durene/naphthalene) or nonsolvent system.

在聚-4-甲基-1-戊烯pmp）低密度泡沫的制备中，利用示差扫描量热分析仪对pmp聚合物在均四甲苯/萘所组成的溶剂/非溶剂二元体系中的凝胶化过程进行在线测量。

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。