此外，还实现了由邻位卤代的芳香醛到9-菲酚衍生物和9，10-菲醌衍生物的“一锅法”合成。
Moreover, 'one-pot' methods to prepare the derivatives of 9-phenanthrol and 9,10-phenanthrenequinone from the ortho-halogenated aromatic aldehydes were also developed.
新的17-卤代的19-去甲甾醇类，制备方法和中间体，它们作为药物以及含有它们的药物组合物。
Novel 17-halogenated 19-Nor steroids, method and intermediates for preparing same, use as medicines and pharmaceutical compositions containing same.
这些变异对于细胞向卤代基的转化的影响将是后续研究的课题。
The contribution of these mutations to the adaptation of the cells towards the halogenated base will be the subject of follow-up studies.
用氯醇法生产的环氧丙烷中所合杂质除有乙醛、丙醛外，还有烃类、环氧化物、卤代烷、丙酮、醇类等。
Chlorohydrin production of propylene oxide with the impurities except for acetaldehyde, propionaldehyde and hydrocarbon, epoxides, halogenated alkanes, acetone, alcohols, such as.
介绍吡啶衍生物的分类，并详细总结了烷基吡啶和卤代吡啶的应用及其合成路线。
The classification of pyridine derivatives was introduced, application and synthetic route of alkyl pyridine and halogenated pyridine were also elucidated in detail.
当分析其它气体中的其它杂质如卤代烃时，可以使用其它检测器。
Other detectors can be used when analyzing other impurities such as halocarbons in other gases.
胺能参加与卤代烷的亲核取代反应。
Amines can engage in nucleophile substitution reaction with alky.
对74种卤代乙烷的计算结果表明，沸点计算值与实验值的一致性令人满意，平均误差1.10 %。
The results showed that the calculated boiling points were in good agreement with the experimental data, and the mean relative deviation was 1.10%for 74 halogenated ethanes.
二恶烷经常会在河水、特别是地下水中被检测到，这主要是由于挥发性的卤代碳氢化合物造成的污染。
Dioxane has been frequently detected in river water, especially in ground water polluted by volatile halogenated hydrocarbons.
建立顶空-毛细管气相色谱快速分析饮用水中多种挥发性卤代烃的方法。
Volatile halogenated hydrocarbons in drinking water were determined by headspace gas chromatography.
使用最多的卤代化合物是氯(次氯酸钠的形式)碘。
The most widely used halogenated compounds are chlorine (in the form of sodium hypochlorite) and iodine.
目的研究一种新型卤代磷酸酯的合成工艺、性能及阻燃效能。
Aim To study the synthetic procedure, properties and flame retardant efficiency of a novel halogenated phosphate.
利用建立的模型，对另外7种卤代苯的沸点和闪点进行了预测。
With the established model, the boiling point and flashing point of the other 7 halogenated benzenes were predicted.
北极地区大气中活性卤素物种主要来自海洋大型藻类释放的卤代烃分解和海盐的贡献。
The source of RHS mainly comes from the photochemical degradation of volatile halogenated organic compounds (VHOC) emission from marine macroalgae and inorganic halogen species from sea salts.
用DSC技术研究了丙烯腈共聚物的热行为以查明含卤代羧酸共聚单体对PAN热稳定化过程的影响。
The thermal stability of AN copolymers was studied by DSC technique in order to get information on the influence of comonomers containing halogenated carboxylic acid on the stabilization of PAN.
本文对自来水中三卤代甲烷的形成原因进行了研究，提出了自来水中三卤代甲烷污染的防治途径和三卤代甲烷的几种清除方法。
Studying the reason of forming Trihalogenated Methane in water supply, this paper presents some methods of preventing pollution and clearing off Trihalosenated Methane.
本文综述了由卤代芳硝基物还原制备卤代芳胺的三种方法，并对几种还原方法的优缺点进行了对比和讨论，得出水合肼还原具有很好的应用前景。
This article reviews three kinds of methods for manufacture halogenated aromatic amine, and the strong and weak points of the three reduction methods are pointed out.
由二卤代烷与碱金属或碱土金属的多硫化物缩聚而成。
By two alkyl halide with alkali metal or alkaline earth metal polysulfides from condensation.
通过对亚硝酸与伯芳胺反应形成重氮盐，以及重氮盐被卤素取代生成卤代芳烃的反应条件和反应机理的研究。
This article studies the reactions of nitrous acid with eldest aromatic amine and diazonium salts substituted by halogen, and investigates the condition and mechanism of those reactions.
试验结果表明，上述底物用这种新方法进行羰基合成，反应的选择性好，其中烯烃和卤代烃的收率也较高。
The results have shown that the selectivities are good for all substrates and the yields are satisfactory for olefins and halides in this way.
但事实上是已知汇远远大于已知源，且各个源汇的通量在不同研究中结果差异较大，归其原因是卤代甲烷释放与吸收机制的不确定性。
In fact, identified sinks outweigh known sources and fluxes of each source and sink have great discrepancy in different results, this is due to uncertainty of gas production and degradation mechanism.
卤代烃是一类重要的有机化合物，在化学工业、农业、材料、环保及现代有机合成中有着广泛的应用。
Halohydrocarbon is one of the most important organic compounds and widely used in chemical industry, agriculture, material, environmental protection and modern organic synthesis.
摘要卤代芳烃的氰化反应在液晶单体合成中广泛应用，但传统的加热方法反应时间长、温度高。
Cyanation of aryl halides is widely used in the synthesis of liquid crystals but its traditional heating reactions require long time and high temperature.
细水雾具有良好的液滴分散性、高热容、易蒸发等特性，因此作为卤代烷烃灭火剂的替代物，细水雾灭火技术己得到了广泛的研究与应用。
Due to the fine dispersity, high heat capacity, and ease of evaporation, water mists have got widely used and concerned about as the substitute of the haloalkane extinguishing agent.
加成物（ 1 ）与卤素反应后，与锡原子相连的苯基被取代，得到一卤代、二卤代和混合二卤代物（2—8） 。
The phenyl groups in compound 1 were substituted by ICl, Br 2 or I 2 to yield mono- and dihalide derivatives(2—8).
文中对尿嘧啶及其5位卤代衍生物的常规和表面增强拉曼光谱进行了观察和比较。
Normal Raman and surface-enhanced Raman Scattering Spectroscopy of uracil and 5-halide uracils have been obtained and compared.
进行了卤水和盐的生产成本分析和以卤代盐的经济效益及社会效益分析。
Production cost of bittern and salt, the economic profits and social effective of bittern replaced salt were analysed.
进行了卤水和盐的生产成本分析和以卤代盐的经济效益及社会效益分析。
Production cost of bittern and salt, the economic profits and social effective of bittern replaced salt were analysed.
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