这方法中包括直接，观测中间产物，这些中间产物是反应，机制中某个机制的基础。
Including, above all, direct observation of the intermediates that you would expect on the basis of one mechanism or another.
它通过分析代谢的不同的中间产物，机体通过代谢这种化学反应来生成能量。
It works by analysing levels of different by-products of metabolism - the chemical reactions the body USES to make energy.
硅改性聚酯树脂是有机硅氧烷和相应的聚酯树脂中间产物反应而得到的产品。
Silicone polyesters resins are the reaction product of organo-siloxane intermediates and a suitable polyester resin intermediate (typically characterized by the absence of drying oils).
介绍了一种奇特原子-正电子素的基本性质及作为探针研究化学反应历程、探测中间产物的实用性。
The characteristics of positronium, a kind of exotic atoms, and the applicability of using it to probe the reaction mechanism and the active intermediates are briefly introduced.
第二步，在金属钾催化条件下，使第一步产物缩水甘油醚发生开环加成反应生成双子表面活性剂的中间体低聚二醇。
The second step, the digomeric glycol-intermediate product of Gemini. surfactant was prepared by opening ring reaction of glycide ether in the presence of potassium as catalyst.
实验结果表明，在CT-4A催化剂上，丙烯醛为反应过程的中间产物，丙烯腈、乙腈、一氧化碳、二氧化碳等均为丙烯氨氧化的平行产物；
The result shows that for catalyst CT-4A acrolein is a middle product and acrylonitrile, acetonitrile, carbon dioxide and carbon monoxide could be treated as parallel products.
根据中间产物的产生情况及浓度变化，推测了苯酚光催化降解的反应途径。
Based on the generation and concentration variation of the intermediate products, degradation route of phenol under the experimental condition was speculated.
其结果证实：在种种分子重排反应中，总是趋向于生成结构更稳定的碳正离子或碳负离子或自由基中间体及其产物。
Their result affirm: in all sorts of molecular rearrangement reactions, anyway tend to produce more stable carbocation, or carboanion, or free radical middle substance and their products.
来源于脂肪的甘油经两步酶促反应代谢转化为糖酵解的中间产物磷酸二羟丙酮。
Glycerol obtained from the breakdown of fat is metabolized by conversion to dihydroxyacetone phosphate, a glycolytic intermediate, in two enzyme-catalyzed reactions.
重点研究了交叉缩合及副反应的控制、中间产物脱水及催化加氢的有关参数。
Especially it introduces the parameter of the cross aldol condensation and side-reaction controlling, the midterm products separation, and catalyzed hydrogenation.
减压渣油重胶质的热反应生焦特点是：初次反应的较低分子质量的产物中，高芳碳率的产物结合形成中间体产物，然后进一步缩合成焦炭。
The characteristics of the coke produced of the heavy resin thermal reaction is that high aromaticity products form intermediate products and then condense to coke in low molecular weight products.
因此反应的中间产物为邻苯二甲酸，终产物为邻苯二甲酸酐、二氧化碳和水。
Therefore, the intermediate product is phthalic acid and final products are phthalic anhydride, carbon dioxide and water.
臭氧与DDT的反应性较差， 加入H2O2能有效地去除母体化合物DDT，但不能有效去除其臭氧氧化中间产物的雌激素活性。
Ozonation was shown to be less reactive for oxidation of DDT, and could be enhanced with combination of H2O2, however couldn't get an effective estrogenic activity removal.
这样可以得到最高产率的反应中间物，即目的产物。
This will allow a maximum yield of the react intermediate which is the desired product.
以苯并噻唑为原料，通过工艺研究，合成了生产化学除草剂苯噻草胺的中间体2 -氯代苯并噻唑，分析实验结果表明，反应收率高，产物纯度高。
The synthesis of 2_Chlorobenzolthiazole, which can be used as intermediate in the manufacture of herbicide named as Mefenacet with high yield and purity, was reported in this paper.
方法用分光光度法和电子自旋共振技术（ESR）检测加入或未加抗氧化剂等调节物的反应体系中反应产物及自由基中间产物的生成情况。
METHODS The reaction product and free radical intermediate in the reaction medium with or without antioxidants and other moderators was detected by spectrophotometry and electron spin resonance(ESR).
菌体能量代谢中间产物之间氧化还原反应加快了T 。
Reactions among intermediates in the energy metabolism of T.
正碳离子是重要的有机化学反应中间产物，而氢原子移位则是正碳离子异构化的主要反应途径。
Carbon cations are important organic reaction intermediates, and hydrogen shift is a key path through which carbon cations isomerizes.
两个中间产物可以作为双羰基还原酶的底物被选择性还原，但具有不同的反应速率。
They could be used as the substrates for the reduction catalyzed by diketoreductase with different reaction velocities.
此一系列反应条件较温和，产率较高，中间体和产物纯化处理较容易。
The above mentioned reactions could take place under mild conditions, the yields were high, and the products were purified easily.
结果：两个单羟基中间产物产生在双羰基还原及其逆反应过程中，并被分离纯化和鉴定。
Results: Two mono-hydroxy intermediates were produced during the diketone reduction process and its reverse reaction, which were separated and structurally confirmed.
第三部分介绍了醋酸锰引发的碳自由基与杂芳烃的选择性反应，并将该方法成功地应用到天然产物紫檀素关键中间体的合成中。
Finally, a new methodology, based on Mn (III) promoted carbon radical reactions, was developed to provide intermediates that should be useful in the synthesis of pterocarpan phytoalexins.
这样可以得到最高产率的反应中间物，即目的产物。
This will allow a maximum yield of the reaction intermediate which is the desired product.
该合成路线短，反应条件温和，所得中间体、最终产物的产率高、纯度高。
The synthesization has short route and mild reaction condition; and the produced intermediate and final product has high yield and high purity.
SDD水平上优化了反应物、过渡态、中间体和产物的几何构型。
The geometry optimizations of reactant, transition state, intermediate and product are made at MP_2/SDD level.
研究得出了中间产物有的随着DBP降解而逐渐增加，有的反而降低，有的在反应中间过程中出现，证明了DBP降解过程的复杂性。
Some middle products will gradually decline following the DBP degradation and Some middle products produce the process, which proved that the degradation of DBP is complexity.
研究得出了中间产物有的随着DBP降解而逐渐增加，有的反而降低，有的在反应中间过程中出现，证明了DBP降解过程的复杂性。
Some middle products will gradually decline following the DBP degradation and Some middle products produce the process, which proved that the degradation of DBP is complexity.
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