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Oxygen相关的网络例句

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The basic reason for oxygen concentration reduction in heavily Sb-doped CZSi was that oxygen solubility decreased when element Sb with larger radius doped degenerately into silicon crystal.

为解释重掺锑硅单晶中氧含量较普通直拉硅低,且随着掺锑量增加,氧含量下降,而重掺硼硅单晶中氧含量并不降低这一实验事实,应用热力学计算,得到重掺锑硅单晶生长时,生成Sb〓O〓的反应不能自发进行,因此不会因Sb〓O〓的大量挥发而使重掺锑硅单晶中氧含量降低。

From the dependence of stability and oxygen permeability, the optimum ZrO2 addition to greatly improve the structural stability without deleteriously affecting the oxygen permeab

氧渗透实验表明,膜的氧渗透通量随ZrO2掺杂量的增加而降低。

The basic functions of the system is a toolbox for supervisory oxygen delignification control which can be applied to both singel and double stage oxygen delignification reactors.

系统的基本功能是一个监控氧脱木素的工具,适用于单个氧漂反应器和双段氧漂反应器。

Depending on the oxygen reactor design where the system will be installed smaller changes normally has to be made to adapt the functions of the systems to the individual oxygen delignification process.

本文件描述了此应用包的标准特性。根据系统要安装的不同氧漂反应器设计,通常需要有一些小的改动使它在功能上更适合特定的氧漂过程。

One method of applying an etchant through the descender is to connect an ozone generator to an inlet port of the assembled fluid ejector and supply ozone (e.g., at a 2% or greater concentration in oxygen gas or in a mixture of oxygen and nitrogen) to the descender and the inner surface 450 through the inlet port.

一种通过该下睁部施加蚀刻剂的方法是将臭氧发生器连接到该装配的流体喷射器的入口,并且通过该入口将臭氧(例如,以氧气中或氧和氮的混合物中2%或更大的浓度)提供到该下降部和内表面450。

The author analyzed total oxygen content, nitrogen content in steel made by typical process and the inclusion composition, change rule, morphology and distribution qualitatively and quantitatively by image analyzer, big sample electrolysis, SEM and energy spectrum analysis. The results showed that final inclusion form was small granule MnS, calcium aluminate, a small quantity of silicate and lumpy Al2O3. By intensifying deoxidation alloying process control in converter, argon blowing and slagging control and desulphuration and calcium reduction operation in refining course and overall-protection casting, the oxygen content was reduced by 20% above averagely, nitrogen content was reduced by about 10% and the inclusion content was reduced by 30%.

通过全O、N分析,夹杂物图像分析仪、大样电解、扫描电镜及能谱分析,定性和定量分析了典型工艺钢种钢中全O、N含量和工序过程夹杂物的构成、变化规律及形态、分布,分析钢中最终夹杂物表现形式主要为小颗粒的MnS、铝酸钙、少量的硅酸盐和块状Al2O3,通过强化转炉脱氧合金化工艺控制、精炼过程吹氩与造渣控制及脱硫和钙处理操作、全程保护浇注,钢水中O含量平均降低20%以上,N含量降低10%左右,铸坯中夹杂物含量降低了30%。

A method for increasing the fermentation production of hyaluronic acid by adding an oxygen carrier of dodecane belongs to the technology field of applying the oxygen carrier to the optimization of the fermentation process.

一种用添加氧载体正十二烷提高发酵生产透明质酸产量的方法,属于氧载体在发酵过程优化中的应用技术领域。

The results of in situ DRIFTS on propylene oxidation show that the allyl species originated from α-H abstraction of propylene were located at the wavenumbers of 1454 cm~(-1) and 1427 cm~(-1). The rate-determining step is the abstraction of an α-H abstraction from a lattice oxygen linked to a bismuth ion to form a π-allyl intermediate coordinated to a molybdenum ion. The metal-oxo group then attacks the allyl intermediate forming a σ-bonded oxygen-allyl species, which is in a rapid equilibrium with the π- bonded species. The σ-bonded species then transforms to acrolein by further abstraction of α-H. Such species as formate, carboxylate, carbonate transform to deep oxidation products. The acetone was derived from propylene by an enolic species at lower temperatures.

丙烯氧化反应体系的原位漫反射红外光谱研究结果表明,由丙烯脱氢生成的烯丙基中间物种吸收峰在1454cm~(-1)和1427cm~(-1)处;基于此提出了较完整的丙烯氧化反应网络:丙烯选择氧化生成丙烯醛主要经历丙烯脱除甲基上的一个H,生成烯丙基物种,该物种嵌氧生成σ-O络合物,脱氢得到丙烯醛前驱体,脱附生成丙烯醛;完全氧化产物是由催化剂表面上生成甲酸盐、羧酸盐、碳酸盐等形式的中间物种转化而成;较低反应温度下丙烯氧化生成丙酮,通过烯醇式中间物种氧化生成丙酮前驱体得到。

There are a weight index , physique percentage mainly and spend three kinds fatly to point out the present fat diagnostic standard; The fat endangers the middle-aged and old health seriously, many kinds of diseases relate to the fact that fat ; The fat reason to produce has inherent cause, physiological factor, psychological factor, social environmental factor, bad eating habit factor and factor related to movement,etc. mainly; Have probe into advantage that oxygen keeps fit through sports of having, has combined the middle-aged and old characteristic and proposed the middle-aged and old weight-reducing movement prescription , put forward the nutrition with method of weight-reducing of oxygen movements to intervene at the same time .

指出目前肥胖的诊断标准主要有体重指数、体质百分数和肥胖度三种;肥胖严重危害中老年的健康,多种疾病与肥胖有关;肥胖产生的原因主要有遗传因素、生理因素、心理因素、社会环境因素、不良饮食习惯因素及与运动有关的因素等;探讨了有氧运动减肥的优点,并结合中老年特点提出了中老年减肥运动处方,同时提出了有氧运动减肥法的营养干预。

It was indicated by SEM spectra of ZnO thin films that the surface of the sample was leveled off, and the crystals were felsitic. It was found from the experiment that, with the increasing of substrate temperature, there were more oxygen vacancies in the films, which lead the conductance of the sample become larger , and the absorb edge of ZnO thin films shifted toward higher wavelength; with increasing of Ar:O2 ratio, there were lesser oxygen vacancies in the films, which lead the absorb edge of ZnO thin films shifted toward lower wavelength.

实验还发现,随着衬底温度的升高,薄膜中产生的氧空位将会增多,使得ZnO薄膜的电导逐渐增大,而且其紫外透射吸收截止边带向高波长方向漂移;随着氩氧比例的增加,薄膜中的氧缺陷相对减少,薄膜的透射吸收截止边向低波长方向漂移。

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