查询词典 oxidation process

New type of water chemistry for utility drum boiler and its principle and characteristic Two kinds of water chemistry's main principle and characteristic are detailedly analyzed. Against the problem of high eroding speed, high Fe content in feed water and boiler water, high scaling speed, short chemical cleaning interval, needing poisonous chemical deoxidant, etc for drum boiler's deoxidization water chemistry and difficulty of using oxidation water chemistry, a new type of water chemistry is put forward on the basis of analyzing the characteristic of whole power station's water steam cycle system, principle of two kinds of water chemistry and their practical effect in every cycle stage. Considering two water chemistry's merit, a new water chemistry called Limited Oxidation Water Chemistry is put forward, which is a local slight oxidization no-deoxidant water chemistry. And the proposed method's principle, control parameter, applying condition, start-lay up and emergency measures are initially calculated and analyzed.

三、新型汽包炉水化学工况的提出及其原理和特点详细分析了国内外现行两大类水化学工况处理的核心原理和特点，针对现行汽包炉还原性水化学工况处理所存在的系统腐蚀速度相对较大、给水和炉水铁浓度高、锅炉结垢速度快、机组酸洗间隔短、无法避免有毒化学除氧剂的使用以及氧化性水化学工况在汽包炉机组上应用的困难等问题，在详细分析电站整个水蒸汽循环系统的特点、两类水工况处理的原理和对循环中各段处理的实际效果等的基础上，综合两者的优点，提出了一种新型的局部轻微氧化性无除氧剂汽包炉水化学工况－"汽包炉有限氧化性水化学工况"处理原理，并初步计算、分析和确定了该种新型水化学工况的主要工艺控制参数、应用条件、启停与紧急情况处理等。

The disbalance of oxidation /anti-oxidation is related closely with cardiac syndrome X.

CSX的发生与机体氧化/抗氧化状态的失衡有密切关系。

The mechanism of modified Catalysts treating leachate through microwave catalytic oxidation showed that, for those rich in granular organic matters, microwave catalytic oxidation attains good pretreatment effect, while for those rich in dissolved organic matter, the effluent attained the municipal wastewater effluent standardsⅢafter treated; Molecular weigh cutting experiments showed that the removal efficiency of organic matter changes disproportionally with different molecular weight.

单目标物质催化剂的机理分析表明，以空气为氧化剂时，Ni-O/CeO_2催化剂的催化效能高于以Fe-O/CeO_2催化剂的催化效能；以H_2O_2为氧化剂以Fe-O/CeO_2催化剂的催化效能高于Ni-O/CeO_2催化剂的催化效能；微波催化氧化反应与常温常压催化氧化反应和水浴催化氧化反应相比大大缩短了反应时间、提高了反应效率。

Selective doping has been proved to be a semiconductor oxide improve the photocatalytic activity of the most effective ways The introduction of certain metal ions can greatly improve the photocatalytic oxidation efficiency, Recently, a lot on the adoption of the doping to improve the photocatalytic oxidation performance reports, doped semiconductor photocatalysis material because of its physical and optical properties change, thereby improving the photocatalytic properties.

有选择性的进行掺杂已被证明是一种提高半导体氧化物光催化活性的极其有效的方法，掺入一定的金属阳离子能极大的提高TiO2的光催化效率，最近有大量的关于通过掺杂来提高TiO2的光催化性能的报道，掺杂的半导体光催化材料由于其物理和光学性质的改变，通过扩展光响应范围和提高光生电荷的分，从而提高了光催化性能。

Results All the NQs can activate the calcium release channel to some entent and induce Ca2+ transportation.The modulations of 1,4 NQ,1,2 NQ,1,4 NQ2S and 1,2 N are biphasic and depend on their concentrations.The mechanism of gating modulation depends on oxidation and reduction of NQ.The by-products of NQ during oxidation and reduction do not interact with RyR.

结果 所有NQ都不同程度地激活钙通道引起钙流释放；1，4NQ、1，2NQ、1，2NQ、1，4NQ 2S和1，2NQ4S对RyR的调节表现出强烈的浓度依赖性的双相作用性；NQ通过氧化还原作用调控RyR的门控机制；NQ在氧化还原循环中产生的超氧等伴生物没有参与RyR的相互作用。

The partial oxidation of ethane to ethene and hydrocarbon oxygenates is one of the most difficult processes in partial oxidation of alkanes.

乙烷选择氧化制乙烯或烃类氧化物是烷烃选择氧化研究的热点之一，也是难点之一。

This bacterium is resided in xylem be used to, short staff state, sheet is unripe, provide the fasciculus outside the cellular wall of several winding and afterbirth, micron of 1.0-4.0 of size 0.25-0.50 ×, without flagellum, not move about, oxidation enzymatic negative, cross oxidation enzymatic positive, good oxygen, blame barmy, of the salt that be not be addicted to, colorless element is deposit, education is difficult, the requirement has special education base, if the ability such as BCEY, JD-3 grows.

该菌在木质部习居，短杆状，单生，具数层卷绕的细胞壁和胞外纤维束，大小0.25-0.50×1.0-4.0微米，无鞭毛，不游动，氧化酶阴性，过氧化酶阳性，好氧，非发酵的，非嗜盐的，无色素沉积，培养困难，要求有非凡培养基，如BCEY.JD-3等才能生长。

Objective To expore the law of correlation between oxidation and generation /development of diabetes , and the influence of traditional Chinese medicine,, the fenugreek is administered to STZ rats against the oxidation.

目的：为进一步探讨过氧化状态和糖尿病发生和发展的相互关系以及中药的影响作用，应用葫芦巴对实验性糖尿病大鼠，进行抗氧化干预。

Purified GO could oxidize both glycolate and glyoxylate, and both activities highly depended on FMN. The activity of glyoxylate oxidation was weaker than that of glycolate. During purification or storage of purified GO, the ratio of glycolate to glyoxylate oxidation was progressively enhanced.

纯化的菜心叶片乙醇酸氧化酶对乙醇酸和乙醛酸均有氧化活性，且两者都强烈依赖于FMN，但对乙醛酸的氧化能力相对较弱；在酶的纯化及纯化酶的贮存过程中其两催化活性的比值均呈逐渐升高的趋势。

The basic principles of the bio-oxidation of refractory gold-bearing concentrate in oxidation-box in static state are introduced.

介绍了难浸金精粉箱式静态生物氧化的基本方法流程，试验样品采用该方法处理 1 87d后，金的浸出率由 3 7.0 4%提高到 93 。0 1 %，基本达到槽式搅拌氧化 93 。68%的水平。

The witness also told the jury at the Royal Courts of Justice in London that he saw a paparazzo fighting with a member of the public who was trying to stop him taking pictures in the minutes before the emergency services arrived.

他还告诉在伦敦皇家法庭的陪审团，在急救服务到来之前，他当时看见一个狗仔队正和一群阻止他拍照的人打架。

The entire N／C program on a tape is made up of an accumulation of these successive data blocks.

纸带上的整个数控程序由这些连续数据单元连接而成。