脱碳

In order to overcome this problem,purification and impurity removal are adopted for the NHD decarbonization liquid.

NHD脱碳液在循环使用中，容易被氧化成的硫单质和粉尘等污染，造成溶液颜色变黑，脱碳电耗高、管道经常堵赛等一系列问题，为此，采用了NHD脱碳液净化除杂技术对受污NHD脱碳液进行处理。

In this paper, morphology transformation laws by plasma modification on cemented carbide (YG16) surface have been studied and influence of decobalt time, decarbonization temperature, decarbonization time and carburizing time main factors on plasma modification lias been investigated.

本文重点研究了YG16硬质合金表面经等离子体改性处理后的组织转变规律，重点探讨了硬质合金表面脱钴时间、脱碳温度、脱碳时间、渗碳时间等主要因素对等离子体改性效果的影响。

To analyze and compare the microstructures and appearances of steel wires with different phosphatization quality treated simultaneously in the same continuous production line by means of microscopy and SEM.

利用金相分析及扫描电镜等方法对钢丝连续生产线上同时处理的磷化质量差异较大的钢丝进行金相组织和外观形貌对比分析，指出造成钢丝磷化质量相异的主要原因是钢丝表面存在脱碳组织，这种脱碳组织是线材表面脱碳造成的，并且线材的脱碳层厚度即使是在相关标准规定范围内，也会对连续作业线的钢丝磷化造成影响。

To counter the problems present in the CO 2 removal with PC method in the little scale ammonia synthesis plant at present, the effect of CO 2 removal plant with carbonic propenyl ester method on the different factors of normal production has been analysed in detail.

针对目前小合成氨厂碳丙脱碳存在的问题，详细分析了影响碳丙脱碳装置正常生产的因素，总结了 90年代以来人们在解决生产实践中诸多问题的经验和方法，对碳丙脱碳工艺作了总结与评述。

Introduced the process about identifying the principle of heating system to improve decarbonization of 60Si2Mn spring flat steel ,In the measurement and analysis process of the decarbonized improvements of spring slab and finished flat steel,bottlenecks of the decarbonized reasons are found by applying statistical techniques.

介绍了60Si2Mn 弹簧扁钢脱碳改进中加热制度原则的确定过程，在弹簧方坯和成品扁钢脱碳改进的测量和分析过程中应用了统计技术，直观、定量找出了脱碳产生原因的瓶颈，提出了进一步的改进措施，探讨了统计技术在品质改进中的重要作用。

Steel plant, the water model and the method of the circulation flow rate determination of RH vacuum degasser have been established.

RH改进脱碳模型可以预测RH处理过程中的碳含量；利用该模型还得到了最佳初始碳氧含量曲线；为达到最大脱碳速率，应降低转炉出钢含碳量，增大低碳范围内真空室搅拌能；论文还得到了OB与否曲线图，最佳OB时间和最佳OB量。

A modified homogeneous flow model was introduced to calculate the flow field in RH degasser,thus getting rid of some earlier methods that are unavailable to be generalized,such as reducing the computation region or presetting the distribution of gas volume fraction.

分别对有、无旋转磁场作用时的RH系统进行了模拟计算。模拟结果表明：流场和脱碳过程与现有文献中实验结果相符合；当旋转磁场作用后，磁感应强度为0.04 T时，初期脱碳速度比无旋流作用时增加了约15%，这是由于旋流增加了系统的搅拌能，提高了脱碳反应速率。

Cold smelting charge ratio was respectively 20%,25%,28%, by optimizing slag making and oxygen blowing process of dephosphorizing pretreatment period and decarburizing period,oxygen consumption rate increased from 20～30% to 40～50% than conventional process in dephosphorizing pretreatment period and slag charge was controlled at 8～15kg.t-1 in decarburizing pretreatment period.

在冷料比为20%、25%、28%条件下，通过优化脱磷、脱碳期供氧和造渣工艺，脱磷期耗氧比从传统工艺的20%～30%提高到30%～50%，脱碳期渣料加入量控制在8～15 kg.t-1.50炉工业试验结果表明，脱碳期一倒温度达到常规冶炼控制水平，一倒、控制水平明显好于常规冶炼工艺。

Based on decarburization math model for RH process,the decarburization behavior of a 210 t RH unit has been studied to analyze the effect of vacuum,lifting gas flow rate and up-leg inner diameter on decarburizing process.

基于RH脱碳数学模型，研究了210tRH精炼装置的脱碳行为，分析了真空度、提升气体流量及浸渍管内径等因素对脱碳过程的影响；在自然脱碳条件下，根据实际取样分析结果，计算出脱碳速率常数K_C，发现整个脱碳过程分为两个阶段，即快速脱碳阶段和脱碳停滞阶段。

In the simulation, the effects of the snorkel diameter, circulation flow rate , lift gas flow rate, oxygen content, and vacuum vessel pressure were taken into account.

对RH真空精炼时的脱碳、脱氧、脱氮和脱氢过程进行了动态模拟研究，考察了浸渍管直径、循环流量、吹氩量、氧含量和真空度对脱碳和脱气过程的影响。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。