查询词典 naphthalene

Experiments have been performed, in which heat-mass transfer analogy and the naphthalene sublimation technique were used, to investigate the local and overall heat transfer characteristics and flow behaviors of an elliptic cylinder of axis ratio 1 6∶1 in crossflow of air.

利用热质比拟原理及萘升华技术对空气横掠半轴比为 1 。6/1 。0椭圆管的局部及平均换热特性以及流阻进行了实验研究。

It is also shown that the solubility of solids of benzoic acid and 1-naphthalene-acetic acid increases with increase in pressure.

在相同的温度、压力下，苯甲酸的溶解度比苯乙酸大很多，理论分析认为，这是由于苯甲酸的极性较萘乙酸的强所致。

A series of N-bonded donor-acceptor derivatives of phenothiazine containing benzene, anisole, pyridine, naphthalene, acetophenone, and benzonitrile as an electron acceptor was synthesized.

合成了一系列的N-10位取代的吩噻嗪给体受体化合物，这些受体包括苯、苯甲醚、吡啶、萘、苯乙酮和苯乙腈。

A method was established for the determination of naphthalene in quick-freezen broad bean by GC-MS.

建立了一种测定速冻蚕豆中萘残留量的气相色谱/质谱方法。

In no-smoking home kitchens the two main sources of naphthalene were cooking and volatilization of camphor ball, acco...

在不抽烟家庭厨房中，卫生球的挥发、烹调对萘的贡献率分别为36%，64%；在抽烟家庭厨房中，香烟烟雾、卫生球的挥发、烹调对萘的贡献率分别为53%，17%，30%。

In fact, camphor and naphthalene balls are different in nature.

事实上，樟脑和臭丸在性质上是不同的。

It exhibited a sudden change as the concentration of organic acid over a specific value. This change can be contributed as the effect of the existence of a clathrate structure of organic acid in the water-rich region. dissolved organic matter,naphthalene,solubility,transfer

本文通过热力学的方法，研究了水溶性有机酸对萘溶解度及迁移性能的影响，探讨了影响萘在不同介质中迁移变化的内在原因，为认识水溶性有机物在土壤、底泥等复

In view of their theoretical and practical significant importance in the investigation of sophisticated biological topics, and in the development of novel drugs and new biochemical tools, DNA intercalators and cleavers have received much current interest This dissertation focuses on synthesis of hetrocycles containing naphthalene moiety and on the mechanism of their interactions with DNA.

DNA嵌入、切断剂的研究，对探索生命科学中的复杂问题，发展新药、新型生化工具具有非常重要的理论和实际意义，成为当前多学科的研究热点。本文从我国国情出发，以国内资源丰富的萘类化合物为基点，设计、合成了一系列多杂环平面刚性分子，并对某些化合物与DNA相互作用的分子机理进行了研究。

Two methods of distillation crystallization method and gas chromatography to determine the naphthalene content in coal tar oil were introduced.

介绍煤焦油中萘含量测定的两种方法：蒸馏结晶法和气相色谱法，对两种方法的优缺点及分析结果进行了对比。

The results indicate that the sedimentation behavior of coal particles of CWS belongs to differential sedimentation and there is a conglobation between coal particles in CWS preparation. Stability of CWS prepared with lignin series dispersants is better than that prepared with naphthalene series, and the height and mean sedimentation rate of clarifying zone is about 68% of that of FDN when the dosage of additives is 1.0%.

结果表明，水煤浆中煤粒沉降行为为差异沉降，在水煤浆制备过程中，煤颗粒之间会发生团聚，掺1.0％GCL3S的水煤浆清液区高度及平均沉降速率仅为掺FDN的68％，木质素系分散剂制备的水煤浆稳定性能优于萘系。

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。