该报告的作者推测，男孩在胎儿发育阶段可能对此类化学袭击反应更为敏感，这就可以解释为什么男孩比女孩更有可能出现行为问题。
The foetal development of boys may also be more sensitive to this kind of chemical assault, the authors speculate, which could explain why boys are more likely to have behavioural problems than girls.
当温度达到3000开尔文（Kelvin，热力热温度，等于摄氏温度加273），这个热量环（ringof heat）沿着纳米管移动的速度将比这类化学反应（chemicalreaction）的正常传递速度快10000倍。
With a temperature of 3,000 kelvins, this ring of heat speeds along the tube 10,000 times faster than the normal spread of this chemical reaction.
环合反应的条件缓和，产品收率和纯度高，在四氢咔唑类化合物的化学制备中具有重要参考价值。
The conditions of reaction of cyclization were moderate, the purity and yield of the product was higher.
烯丙基苯并恶嗪中间体是由烯丙基苯酚类化合物，与苯胺、甲醛脱水缩合反应而成。
Allyl-functional benzoxazine is synthesized by the reaction of allyl phenol, phenyl amines, and formaldehyde.
给出了碰撞分子各自由度间的能量交换模式及各类化学反应的选择模式。
It has got energy transfer models among molecular degrees in collisions and chemical reactions selection models.
醇类化合物尤其是仲醇类化合物是重要的反应中间体，在工业生产、药物生产以及日常生活中都有重要用途。
As an important intermediate of chemical reaction, alcohol, especially secondary alcohol, plays an important in industrial production, medicine synthesis and daily living.
研究这类化学反应扩散系统，重要的是抓住系统在临界点附近动力学行为的共性。
To study the chemical reaction diffusion systems, it is important to master the kinetics generality of systems near critical points.
通过改变流动相的流速和比例改变离子源中反应离子的种类和数量，研究离子化环境对蒽醌类化合物电离方式的影响。
Effects of ionization environment, including reaction ions type and amounts in APCI source, on ionization mode of anthraquinones were examined by changing the flow rate and mobile phase proportion.
本文回顾了磷偶氮类化合物的研究历史、相关的化学反应历程及其性能和应用。
The research history, correlative chemical reactions, performance and application of Phosphazenes were reviewed in this paper.
采用颜色反应、薄层层析与紫外扫描光谱三种方法对玉米须黄酮类化合物进行初步分析。
The experiment aimed to analyze the main components of flavonoids from corn silk by using color reaction, thin-layer chromatography(TLC) and ultraviolet(UV) spectral scanning.
目的探讨减轻蒽环类化疗药物在治疗过程中所致局部不良反应的护理方法。
Objective To probe the nursing method, abate the local side reaction of chemotherapy with doxorubicin.
在氧化反应动力学过程中，酚类化合物除与铁锰氧化物发生氧化还原作用外，还与土壤、铁锰氧化物以及其中的杂质发生诸如吸附等其它作用。
During the kinetic REDOX reaction between phenolic compounds and iron and manganese oxides, adsorption process by soil, iron and manganese oxides and their impurity is happened.
目的：研究喹诺酮类化合物脱羧反应。
目的：研究喹诺酮类化合物脱羧反应。
气固催化法制备酮类化合物是一类重要的反应。
It is a kind of important reaction to prepare ketones through gas-solid catalysis.
关环转换反应是形成碳碳双键的重要反应之一，即双烯化合物在金属碳烯催化下关环得到环烯类化合物。
Ring closing metathesis (RCM) of dienes to cycloalkene provides an important tool for C-C double bond formation catalyzed by metal carbene.
研究了13种苯甲酸类化合物在固定膜平板型反应器中的光催化降解。
Study on the photocatalytic degradation of 13 kinds of benzoic acids in the fixed film flat-plate reactor have been conducted.
本论文使用不同类型芳香醛与氨基酸酯的加成反应合成了一系列氨基酸酯亚胺类化合物。
A series of imine esters were synthesised by the addition of amino acid esters to aldehydes.
利用模型化合物对甲苯硫酚，借助于气相色谱和质谱等分析手段，探讨了硫醇的氧化行为以及烃类化合物和其它非烃化合物对硫醇氧化性能的影响，并初步推断其可能遵循的反应机理。
The objective of this paper is to study the oxidation of thiols in FCC diesel and the mechanism of its effect on the stability of diesel by GC and GC-MS analyses.
对近年来过渡金属络合物对酮类化合物不对称催化氢化反应研究进展进行了综述。
The recent progress of the ketones in catalytic asymmetric hydrogenation is reviewed in this paper.
本文对硫代苯甲酸-S-苯酯类化合物的敏化光解反应进行了研究， 以图扩大其光谱响应范围。
The sensitized photofragmentation reaction of S-phenyl thiobenzoates was studied in this paper in order to extend the range of spectral response.
然后研究了三氟甲磺酸镱催化的胺和乙酸乙酯的反应，从而合成了乙酰苯胺类化合物。
Objective:To study the anti tumor effects of Sorbaria sorbifolia ethyl acetate extract and its mechanism.
此外，探索通过氧化或者自由基引发，对甲苯类化合物的饱和氢活化进行苄基化反应。
Furthermore, benzylation of methyl-substituted benzene by activation of saturated hydrogen through the use of oxidation or free radical initiation has been developed.
重氮甲烷与酸性除草剂发生衍生反应，生成易于气相色谱-质谱测定的酯类化合物，反应条件温和，副产物少。
Under mild reaction condition, the derivative reaction of diazomethane with acid herbicides occurred and produced ester compounds with little by-products, which could be easily detected by GC-MS.
固相反应合成了新型丙二腈类化合物。
Three novel malononitrile derivatives have been synthesized by the solid state reaction at room temperature.
固相反应合成了新型丙二腈类化合物。
Three novel malononitrile derivatives have been synthesized by the solid state reaction at room temperature.
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