查询词典 oxidation process

It is very difficult to eliminate these influence factors completely by conventional treatment. Surface properties and surface treatment of ultrafine red phosphorus and MMT and their interface properties with polymer matrices were studied in this thesis. The results were characterized by GC, FTIR, XRD, DTA, TG, XPS, UV, SEM, TEM and other physical and chemical methods. The main contents are as following: 1. The study of factors influencing ultrafine red phosphorus's invariability and phosphine liberation indicated red phosphorus undergone oxidation and dismutation reaction in air, and trace ion of iron, copper and nickel fastened water absorption and oxidation, in which the effect of copper ion was the most, while aluminium and zinc ion could slow down red phosphorus'oxidation, and silver ion had the best effect on red phosphorus moisture absorption. Inhibitors such as aluminium hydroxide, magnesium hydroxide, organic phenol and ferrous potassuim cyanide had a good effect on reducing red phosphorus moisture absorption and restraining phosphine liberation.

本文围绕纳微米材料的表面处理及其在高聚物基体中的应用这一主题，系统地研究了超细红磷和蒙脱土两种常见材料的表面特性、表面处理方法及其与高聚物基体的界面特性，通过气相色谱、红外光谱、X射线衍射、差热、热重、X射线光电子能谱仪、紫外光谱、扫描电镜、透射电镜等现代分析仪器以及其它物理、化学方法对实验结果进行了表征和分析，全文主要内容如下： 1、对影响超细红磷安定性的因素以及磷化氢的缓释研究表明：红磷在空气中发生缓慢氧化、歧化反应，微量的铜、铁、镍等金属离子增加了它的吸水和氧化速度，其中铜离子的作用最为明显，而铝、锌等离子减慢了红磷的氧化速度，银离子对减少红磷的吸湿性效果最好。

On reaction rate and yield as evaluating standard for different methods, the potassium ferricyanide oxidation and H2O2 oxidation for octreotide were found to be superior to other methods in less reaction time and high oxidation yield.

从氧化速率及氧化效果的方面考虑，发现铁氰化钾氧化法和H_2O_2氧化法对还原型奥曲肽的氧化效果更优。

Lanthanides are also due to 4f electrons in the whole empty, half full, all the changes in full so that there are some factors appear 4 price, some prices appear 2 oxidation state, we use the following oxidation diagram and black point size to indicate the size of the stability of oxidation state.

镧系元素也因4f上电子全空、半满、全满的变化使有些元素出现＋4价，有些出现＋2价氧化态，我们用下列氧化态图及黑点大小来表示氧化态稳定性大小。

For the long period of oxidation, the Wagner's law for thick film oxidations was obeyed above 1000℃, that is the parabola relationship exists between the oxidation rate and the oxidation time, whereas there exists a linear dependence between them as the temperature is lower than 1000℃.

对于较长时间的氧化而言，CVDRe在1000℃以上的氧化遵循瓦格纳的厚膜氧化规律，即氧化速率遵从抛物线定律；而在较低的温度，CVDRe的氧化失重与时间呈直线关系。

For efficient utilization of phosphorus—rich rhodochrosite and complicated sulfides, we have carried out some studies on enrichment of manganese, dephosphorization and bio-catalytical oxidation of sulfides supported by NSFC (No. 59374150, 59774010), the main contents include: properties of Huayuan Manganese ore; microorganisms preparation of dealing with manganese ore; physiological and biochemical properties of microbes used; the mechanism of microbes function to manganese ore; the separation, tameness of Thiobacillus ferrooxidans and its nutriment; bio—catalytical oxidation mechanism of sulfides; extraction of gold by bio—catalytical oxidation—cyanidation.

为解决我国储量丰富的高磷贫碳酸锰矿石和复杂硫化矿有效利用中存在的问题，我们在国家自然科学基金委员会的资助下（No.59374150，No.59774010），以花垣锰矿石和黄铜矿、黄铁矿等为研究对象，进行了高磷贫碳酸锰矿石的微生物富锰降磷和生物催化氧化硫化矿等的研讨工作，内容包括：花垣锰矿石的性质研究；富锰降磷微生物的筛选；试验用微生物的生理生化特性及富锰降磷机理探讨；催化氧化硫化矿细菌的分离、驯化及营养条件确定；生物催化氧化硫化矿的机制；金的生物催化氧化—氰化提取。

Major foreign processing aluminum hard anodizing and super-hard anodized aluminum and stainless steel imitation oxidation, chemical oxidation polishing, sandblast oxide, matte oxidation.

主要对外加工铝制品硬质阳极氧化及超硬质氧化和铝仿不锈钢氧化、化学抛光氧化、机械喷砂氧化、亚光氧化等。

The oxidation kinetics of depleted uranium was studied in pure oxygen pressure of 5 kPa at below 100°C by using spectroscopic ellipsometry. The relationship of the thickness of uranium oxide with time is measured. The results indicate that below 100°C in the initial period, the relationship between oxidation layer thickness and time is parabolic. The oxidation mechanism of depleted uranium is discussed and the active energy of depleted uranium at given experimental conditions is 87.165kJ/mol from calculation.

采用椭偏技术研究了45~95℃和5kPa纯氧气氛中金属铀的氧化，通过不同温度下金属铀表面氧化层厚度随时间的变化规律，得到贫铀在初始氧化阶段的表面氧化层厚度与时间的关系均呈现抛物线规律；绘制出了在不同温度下金属铀表面的氧化动力学曲线，由此得到在低于100℃，5kPa的纯氧气氛下贫铀表面形成氧化物的反应活化能为87.165kJ/mol。

The results showed that the application of photocatalytic oxidation to the treatment of wastewater was feasible and efficient, but it was affected by the operation conditions.There existed optimum value of the dosage of catalyst, initial benzamide concentration and pH value for the photocatalytic oxidation performance.H2PO-4,Cl-, Cu2+ and Al3+ showed obvious inhibition to the photocatalytic oxidation.

结果表明，循环式浆态光催化反应器中光催化剂的用量、污染物的初始浓度和初始pH值对模拟污染物光催化降解性能的影响存在适宜值；体系中H2PO-4、Cl-、Cu2+、Al3+对其光催化降解过程有明显的抑制作用。

Some new results are obtained from the studies: 1 a novel thermokinetic research method, the characteristic reduced parameter method, has been proposed, and the kinetics of oxidation of benzoquinone by hydrogen peroxide has also been investigated with this method; 2 the kinetic mathematical models that the metallomicelles made from the mono-nuclear or dinuclear complexes and surfactants catalyze the phenolic derivant oxidation have been established respectively; 3 the feasibility and mechanism that the metallomicelle, a mimetic model of peroxidase, catalyzes the phenolic derivant oxidation has been discussed.

研究得到如下新的结果：(1)提出了一种新的热动力学研究法——特征对比参量法，用该法研究了过氧化氢氧化苯醌反应动力学；(2)分别建立了由单核和双核金属配合物与表面活性剂形成的金属胶束催化酚类氧化反应的动力学数学模型；(3)探讨了金属胶束模拟过氧化物酶催化酚类氧化反应的可行性及其机理。

Extracts with higher antioxidant abilities, including hot water and ethanol extracts of Boehmeria nivea leaves and roots, were screened and then added into soy bean oil to study effects on oil stabilities of oxidation during storage and also to develop new XO paste products containing Boehmeria nivea leaves and roots. The extents of oil oxidation in XO paste were evaluated by measuring POV and TBA values. Results indicated that after 8 day storage at 70℃, the POV values of soy bean oil with addition of 0.1% of ethanol extracts of leaf and root were 56.27± 0.12 meq/kg and 57.13± 0.50 meq/kg respectively, which were both greater than that of control samples(53.33 ±0.31 meq/kg), showing that extracts of leaf and root do not have the abilities to inhibit oxidation of soy bean oil.

第二部分将抗氧化能力较高的萃取物，包括苎麻叶与根的热水及乙醇萃取物添加於大豆油中，探讨其对油脂贮藏安定性之影响及开发加入苎麻叶或根的XO酱产品，并藉由测定油脂中过氧化价(peroxide value，POV)和硫巴比妥酸值(thiobar-bituric acid value，TBA)值评估其油脂氧化程度，结果贮存在70℃下第8天时，添加0.1 %苎麻叶与根乙醇萃取物，其POV值分别为56.27±0.12 meq/kg与57.13±0.50 meq/kg，皆较对照组(53.33 ±0.31 meq/kg)高，显示以0.1 %的苎麻叶和根萃取物添加大豆油中并不具抑制油脂氧化作用。

Salt is good, but if the salt becomes flat and tasteless, with what do you season it?

14：33 盐本是好的，盐若失了味，可用什么叫它再咸呢？

He reiterated that the PLA is an army of the people under the leadership of the Communist Party of China.

他重申，人民解放军是在中国共产党领导下的人民军队。