查询词典 naphthalene

Naphthalene superplasticizer compared with other second-generation, thellord-generation POLYCARBOXYLIC superplasticizer With the improvement of quality of performance and quality.

与萘系品级二代减水剂比拟，第三代聚羧酸系高效减水剂的机能与质量有了质的提高，基本能够餍足高机能混凝土对于减水剂的机能要求，该类产物基本具有了代替萘系减水剂的技术机能优势与经济前提。

The novel reaction to create 6,7-dimethoxy-1-(3,4-dimethoxyphenyl)-4-hydroxy-naphthalene 83 in one-pot procedure was found during the synthesis of diphyllin, which started from catechol dimethylether and succinic anhydride and involved heating the molten mixture of the two reactants in the presence of polyphosphoric acid at 140℃.

这个反应是用邻苯二酚二甲醚和丁二酸酐为原料，把两个原料的混合物熔融后，加入PPA，在140℃下搅拌后就会有产物生成。

From the perspective of industrial practicalization tradeoff influence uhmw-pe process each link, explores the factors in kerosene, ten hydrogen naphthalene for solvent unique craft implementationscheme, fill in the fields of the domestic blank.

从工业实用化角度出发，综合权衡影响UHMW-PE加工工艺各环节的因素，分别探索了以煤油，十氢萘为溶剂的独具特色的工艺实施方案，填补了国内在该领域的空白。

The effect of the toxin on protoplasmic membrane protein was studied by the method of fluorescence, using 8-anilino-1 -naphthalene-sulfonic acid as probe and taking the mesophyll protoplasts from maize leaves as the research system.

以玉米叶片原生质体为研究对象，以ANS(1-苯胺基-8-萘磺酸)作荧光探针，用荧光法研究了Ⅱ-3与质膜蛋白的互作。

The mechanism of formation of light-end products during M-HyPy was discussed.The results indicated that higher concentration and yields of BTX,PCX and naphthalene were found in M-HyPy as compared to HyPy,which is resulted from promoting hydrogenation and inhibiting repolymerization of free radicals due to the retention of hydrogen in M-HyPy.

结果表明：煤的多段加氢热解过程所得油品与传统的单段加氢热解油品相比，含有更丰富的高经济价值组分，如苯、甲苯、二甲苯和酚、甲酚、二甲酚及萘，这主要是因为氢气在峰温处的停留促进了自由基的氢化饱和及抑制了其再聚合的反应。

Quinazolinone alkaloids are the active components contained in the plants of Rutaceae. Many investigators have indicated that quinazolinones have anti-tumor activity. However, the reasons why the molecular mechanisms of quinazolinones produced their biological effects remain unknown.

喹唑啉酮类生物碱是芸香科植物中所含的活性成分，虽然已有许多研究者证实喹唑啉酮类缘物具有抗癌活性，然而，其真正的抗癌作用机制仍然未被厘清。2-(Naphthalene-1-yl)-6-pyrrolidinyl-4-quinazolinone（HL66）是合成的喹唑啉酮类缘物。

Based on the principle of heat mass analogy,the convective heat transfer coefficient on rolling tire surface was simulatively investigated with a linearly moving rotary disc in a wind tunnel by using naphthalene sublimation technology.

根据热质比拟的基本原理，采用萘升华技术，在风洞中利用直线运动的旋转圆盘模拟研究了滚动轮胎表面的对流换热系数。

Fluorescence of NC16 and NC10NC at high pressure The monomer fluorescene intensity of the naphthalene chromophore in NC16and NC10NC in solid state and in LB film was decreased and red-shifted with theincrease in pressure, and a structureless excimer band at 415 nm was observed.

四。高压条件下NC16和NC10NC的荧光性质高压条件下研究了NC16和NC10NC在固体和在LB膜中的荧光性质，发现随压力增加，样品的单体荧光强度逐渐下降、红移；并在415 nm处出现萘的激基缔合物荧光。

The electroluminescence devices (ITO/NPB/emitting layer /BCP/Mg : Ag) based on 1, 4-bis (4-N, N-methylamino styryl) naphthalene as emitting layer have been designed by the energy band matching principle.

以自制的&D-π-D&对称型有机绿色发光分子1，4-双（4'-N，N-二甲基氨基苯乙烯基）萘为发光层，在结构为ITO/NPB/BMABN/BCP/Mg： Ag的器件中，研究了空穴阻挡层厚度对器件发光性能的影响。

The main categories are: naphthalene series water reducer, high-performance polycarboxylate superplasticizer, Sulphamate superplasticizer, fat-type superplasticizer.

主要类别有：萘系减水剂、聚羧酸高性能减水剂、氨基磺酸盐减水剂、脂肪类减水剂。

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。