Methods: To observe the course continually treated positive PPD reaction with the scheme including rifapentine.

In addition, the liquidus projection and reaction scheme of this system are also constructed in the present work. ( 2) The isothermal section of the Mn-Ni-Si system at1000 ℃ is determined by means of XRD and SEM/ EDX.

此外，本工作还构筑了该体系的液相面投影图和希尔反应图。（2）采用XRD、SEM/EDX等实验手段，测定了Mn-Ni-Si体系1000℃等温截面。

The results reveal that introducing bismaleimide into the cured system can improve the heat distortion temperature, flexural strength at high temperature and dielectric properties. In addition the reaction scheme of bismaleimide is mainly the self-polymerization but not copolymerization with epoxy group.

研究结果认为体系中引入双马来酰亚胺可提高热变形温度、热态强度和介电性能，双马来酰亚胺在固化中主要是自聚而不是和环氧基共聚。

From the analyses of isosbestic points, it is ascertained that isosbestic points appear only when the system forms complexes to one reaction scheme and is not related in any way to other colored compounds involved in this reaction.

从对等色点的分析，证明体系形成络合物须按一个反应式进行才能出现等色点，而与反应式是否涉及到两个或三个有色化合物无关。

To preparation of CNFs with well defined structures, a proper reduction of the catalyst is very important. ( 5) The reaction scheme of CO disproportionation on iron catalyst is studied by using BOC and transition state theory.

适宜的还原条件对可控结构CNFs的合成具有重要作用。（5）通过BOC理论和过渡态理论计算，研究了Fe催化CO歧化制备CNFs的反应历程。

Based on an assumed reaction scheme and considering the solubility of nitrogen dioxide in dimethyl sulfoxide, the kinetic model of the reaction was built. Moreover, the parameters of kinetic model were obtained by experimental data regression.

在假定反应步骤和考虑二甲基亚砜对二氧化氮溶解度影响的前提下，建立了反应的动力学模型，并结合实验数据，对动力学模型进行了参数估值。

Based on the degradation compounds identified from UV-Vis, FT-IR and LC-MS, reaction scheme of the degradation of Acid Red 88 in the US/ Fenton system is proposed.

通过对降解产物UV-Vis，FT-IR和LC/MS的数据分析，推测出酸性红88在超声/Fenton体系下的降解历程。

The following results are obtained: ( 1) Detailed chemical reaction scheme is used to establish the mathematical model which describes the finite velocity chemical flow of multi-components.

应用化学反应的详细机理，建立了适合多组分含有限速率化学反应流体流动的数学模型。

Let us consider the most simple reaction scheme for the radical propagated polymerization of a single monomer.

让我们考虑一种单体聚合中自由基增长的最简单的反应图式。

The pressure distribution on rudder surface and the hydrodynamic performance ofthe reaction rudder are discussed in the paper.

通过计算得到的舵表面压力分布可看出反应舵节能的原因。本文还对反应舵的操纵性能进行了计算和研讨。

We synthesized this class of catalysts through construction of ferrocene monomer, coupling reaction, hydrolysis and ring closure, and relative configuration of catalysts were assigned by X-ray diffraction of ( S, Rp)-la.

我们通过二茂铁单体的构建、偶联、水解和关环反应高效地合成了该类催化剂，且最终产物（S，Rp）-1a通过X-ray单晶衍射确定了其相对构型。

In the picoline pyrolysis experiment, the methyl disengages from aromatic ring to form methane firstly, then the following reaction of the aromatic ring is similar to pyridine.

甲基吡啶的热稳定性比吡啶差，热解时甲基首先脱离芳香环进入气相，随后芳香环的反应途径和吡啶类似；

This paper presents a review on the intermolecular and intramolecular Diels-Alder cycloaddition reaction of the furan ring and their applications for organic synthesis.

本文就呋喃环参与的分子间和分子内D-A反应及其应用作一综述。

Medium pressure Metal ring ( M type) conduct the pressure into the pipe though the hole of path and groove to increase the reaction strength of metal ring.

中压型金属密封环（M型）将压力径侧孔或槽引入管内，以便加大密封环之反应力。

The further reaction between remaining broken ring cluster and strongly alkaline solution depends on the types of the remaining broken ring clusters and alkaline solutions.

偏高岭土溶解后的残环和碱溶液进一步反应与残环及碱溶液的种类有关。

Synthesis of β-Damascone(ⅰ)& Study on Catalytic Addition Reaction of β-Ring Citral

β突厥酮的合成-β环柠檬醛的催化加成反应研究

~ 1H-NMR and UV analysis show that, after reaction, benzene ring in the structure unit of the alkali lignin is steady, carboxyl, carbonyl and methoxyl all have reduced in different extent, while aliphatic and phenol hydroxyl have increased.

~1H-NMR和UV光谱分析显示反应后碱木质素的结构单元中苯环结构稳定，羰基、羧基、甲氧基有所减少，醇羟基和酚羟基的量增加了。

Because it has shown a pleased result in many kinds of precipitation reaction such as ring precipitation reaction, agar diffusion reaction and so on.

结果：自制兔抗羊免疫血清和羊血清经环状沉淀、琼脂扩散多种沉淀反应试验，验证均与兔抗人血清和人血清的反应结果相近。

The reaction mechanisms of ring cleavage and para-banic acid formation were discussed.

对开环反应机理和乙二酰脲的形成机理进行了探讨。

HALOGENATION REACTION ON BENZENE RING Application and Synthesis of Sulfide Phenyl Trifluoromethyl

关于苯环上的卤代反应三氟甲基苯硫醚的制备和应用

Study on the Mechanism and Reaction Kinetics of Ring Forming in the Grate-Rotary Kiln

链篦机&回转窑结圈机理及其反应动力学研究