degassing

The theory of mantle degassing Fisher-Tropsch synthesis and possible modes oil and gas Fisher-Tropsch synthesis in plate structures, the mechanics and conditions of reservoir formed by contact metamorphism are introduced briefly.

简要介绍了油气形成的地幔脱气说、费-托法合成以及板块构造中油气费-托合成的可能方式、接触变质形成油气的机理以及条件等。

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Characteristics of decarburization reaction and oxygen behavior in RH degassing unit

RH炉内脱碳反应及氧行为特征

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A physical model for spinning rotor degassing of aluminum alloys was built by calculating in light of physical dimensions representing flowing according to similar theory for model.

从表征流态的物理量出发，利用模型的相似理论，通过计算建立了铝合金旋转喷吹除气系统的物理模型。

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The study indicates strong composition differences between noble gases from MORB and OIB supporting two-layer mantle structure. Mantle degassing process is controlled mainly by SCD model.

研究表明，MORB源和OIB源玄武岩稀有气体组成差异强烈支持地幔双层结构的存在，地幔脱气过程主要受溶解度控制脱气模式（SCD）控制；

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Based on the laboratory results the industrial test of deoxidation of molten steel was done on 150 t with ferroalloy containing barium ladle furnace and vacuum degassing equipment.

在实验室研究的基础上，用150tLF/VD精炼设备进行了含钡合金对钢液脱氧的工业试验研究。

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The basis of ⅵ process is that the powder is injected into the ladle during RH vacuum degassing.

Ⅵ法的实质就是在RH真空脱气过程中进行钢包喷粉。

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Hydrocyclone is a separation plant used to separate non-uniform phase mixtures. It can be used to complete the liquid clarification and to wash particles, liquid degassing and grit removal, grading and classification of solid particles and the separation of two non-miscible liquids and others.

旋流器是一种分离非均匀层次混合物的分级设备，可完成液体澄清、固相颗粒洗涤、液体除气与除砂、固相颗粒分级与分类以及两种非互溶液体的分离等多种作业。

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The results indicated that during degassing Li diffused constantly into surface of powders and reacted with Al2O3 and formed Li2O, increasing the thickness of surface oxide film and resulting in the change of its composition.

试验结果表明，由于Li的存在，除气过程中，Li不断向表面迁移，形成Li2O，还原Al2O3，使表面氧化层厚度增加，组成和性质发生变化。

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Structure-reasonable rotary impeller head has been investigated by the simulated test within water. A ceramic impeller head is manufactured and the degassing test in aluminium casting alloy in laboratory condition proceeded.

通过水模拟实验，研究了吹头的合理结构，制成了陶瓷吹头，并在实验室条件下进行了铸铝合金的除气实验。

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The thesis also presents the method to gain conformed material: the process to use FDU degassing unit to purify the aluminum melting and the method to test density with vacuum samples and finally to get fine curing tire molds.

介绍获得合格材料方法：用FDU除气装置净化铝液的过程，并且用减压凝固试样测试密度，从而得到优质硫化轮胎模具。

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System of vacuum degassing treatment of ferroalloy solution

铁合金熔液真空脱气处理系统

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High Efficiency of Dehydrogenation to Molten Aluminium with Technology of Spining Nozzle Gas Floatation The Purification Technology of Al Alloys by Spinning Rotor Degassing

旋转喷头法对铝液的高效除氢作用旋转喷头法铝液除气净化技术

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Domestic spinning rotor technology need to be exploited both in the sense of melt treatment process itself and comparing with overseas advanced degassing equipments was pointed out in the end.

最后指出无论从铝合金熔体处理本身的需要，还是与国外的先进除气设备相比，国内的旋转喷吹净化技术都有待开拓。

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The mathematical simulation for the flow field in the vacuum chamber and ladle during RH degassing was carried out by the N S equation, k ε two equation turbulence model and two phases zone structure model.

应用N-S方程、k-ε双方程模型及两相区结构模型对RH真空室熔池和钢包内钢液流场进行数值计算，为进一步计算浓度场和温度场奠定了基础，并解释了一些工艺现象。

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A degassing liquid tube is also arranged on the bicycle frame.

车架上还具有放气液管。

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Ultrasonic Degassing Effect With Constrained Cooling at Bottom of Ingot

铸锭底部强制冷却的超声波除气效果

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Solution for Improving Hydrogen Degassing Process in LARS System

LARS系统提高除氢精炼效果的措施

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Degassing : Degassing of liquid with high viscosity, such as epoxy and silicone.

环氧树脂、液体硅胶等粘稠物质内部气泡的排出.

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The bath depth influences the direction of crystal growth, nonmetallic inclusion removal, and the degassing process.

熔池的深浅,影响金属结晶生长方向改变及夹杂物和气体的去除过程.

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The furnace is applicable for high temperature degassing and vacuum brazing.

并能广泛适用于高温脱气、真空钎焊等场合.

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Effect of Degasser and Ultrasonic on Degassing Efficiency of Al-1.65% Si Ingot

除气剂和超声波对Al-1.65%Si铸锭除气的影响

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The purification technology of Al alloys by spinning rotor degassing is becoming one important method to purify molten Al alloys.

有利于改善气泡浮游法除气条件的旋转喷头法铝液除气净化技术已日益成为主要的铝液净化方式；

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A Study on Water Model for Circulation Flow Rate Optimization in RH Degassing Refining

RH精炼循环流量优化的水模型研究

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Modification of styrene degassing tower in styrene butadiene rubber production

丁苯橡胶生产中苯乙烯脱气塔的改造

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In terms of pressure effect on hydrogen isotope fractionation in the rhyolitic melt-water system, the unusual variability in the δ D values and H2O contents of the Glass Creek rhyolites from western United States are successfully modeled in the course of magmatic degassing.

依据流纹岩熔体与水之间氢同位素分馏的压力效应，成功地模拟了美国西部Glass Creek流纹岩δD值和水含量变化规律与岩浆去气之间的关系。

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Process Optimization and Control for RH Degassing Unit

RH真空处理过程优化及控制

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The degassing unit consisting of an injector and an overload box is equipped in the liquid propellant rocket engine of a coastal defence missile.

某海防导弹液体火箭发动机装置中，采用引射器加过载箱组成的除气机构。

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Numerical Simulation on Molten Steel Flow and Circulation Flow Rate in RH Vacuum Degassing Process

RH精炼过程钢液流动行为与循环流量数值模拟

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In this study, the effect of degasser and ultrasonic on degassing efficiency of Al-1.65% Si ingots was investigated. e. g.

研究了除气剂和超声波对Al-1.65%Si铸锭除气的影响，如：没有添加除气剂和超声波处理、只添加除气剂不进行超声波处理、即添加除气剂又进行超声波处理的情况。

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The temperature programmed desorption spectra are very important to raising the vacuum limit and guiding how to bake the vacuum systems for degassing.

研究超高真空材料的升温脱附谱对于获得超高真空、提高极限真空度和指导真空系统的烘烤除气有重要的意义。

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