查询词典 argon

In the second group,the rabbits were treated only with the argon laser induced chorioretinal venous anastomosis. Results An anastomosis in experimental group was formed in 6 rabbits within 4-6 weeks after treatment while no anastomosis was formed in control group.

结果：通过眼底荧光血管造影检查和彩色眼底照像，实验组6只眼成功建立视网膜脉络膜吻合，检眼镜下激光击射部位静脉中断呈漏斗状陷入脉络膜；FFA显示远端及近端静脉内血流汇入吻合处，吻合形成时间为4~6周，对照组未形成吻合。

These effects could be explained by the difference in the cross-section of collisional excitation between krypton, argon and helium.

上述效应可以通过氪、氩和氦在碰撞激发剖面图上的差别来解释。

In this dissertation, MDS has been used to predict the thermodynamic properties and transport coefficients of an argon system with Lennard-Jones potential to reveal the propagation mechanism of a disturbance in the medium, to discuss the interface characteristics under saturated condiction.

本文用分子动力学方法模拟了系统的热力学参数和输运系数，并探讨了扰动在介质中的传播机理，最后分析和讨论了汽液界面中的相变现象。

In this dissertation, MDS has been used to predict the thermodynamic properties and transport coefficients of an argon system with Lennard-Jones potential to reveal the propagation mechanism of a disturbance in the medium, to discuss the interface characteristics under saturated condiction.

微尺度条件下的换热、快速加热以及某些相变传热等现象用传统的研究方法和研究手段难以进行研究，而分子模拟技术则有可能成为研究这些传热现象的一种有效手段。

Steelmaking Plant can be reduced to 20ppm by increasing argon flow of RH degasser and controlling vacuity According to the above results, the main efforts to develop IF steels have been made at No 3 Steelmaking Plant.

研究结果表明：钢水增碳主要在大包中发生，影响钢水增碳的主要因素是钢液与包壁接触面积与钢水体积之比，在高温下，耐火材料中CO的压力和钢水中Als的含量对钢水增碳也有一定的影响；钢水脱氧后将增硅，钢水的增硅量主要受大包渣的碱度、中包绝热板材料和中包保护渣碱度的影响；通过增大RH真空处理装置的氩气流量和控制真空度，能将三炼钢厂大包钢水的碳含量降到20ppm左右。

In order to remove inclusions, rapidly increase the temperature and uniform the component of liquid steel, simulated the flow field of liquid steel in LF, got the better position of argon bottom blow stirring ladle 0.4r～0.45r to improve the effect of deoxygenization and reduce the probability of nozzle clogging.

通过对LF钢液流场模拟，综合考虑夹杂物的上浮去除、快速提温和成分均匀等的要求，确定出最佳底吹氩位置为钢包底部距离中心0.4r～0.45r处，提高了脱氧效果，减少水口结瘤几率。

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％。

In order to adapt the rhythm of the continuous casting, No.3 Steelmaking Plant of Jigang optimizes specific iron and steel structure, increases the percentage of goal hits of the converter, optimizes LF slag-making and argon blowing processes and intensifies LF deoxidation and desulphuration etc, shortening refining period 17min, reducing he electric consume 6.7kW.h/t.

为适应连铸节奏，济钢第三炼钢厂通过优化钢铁料结构、提高转炉终点命中率、优化LF造渣及吹氩工艺、强化LF脱氧、脱硫等措施，缩短精炼周期17min，降低精炼电耗6.7kW.h/t，满足了高附加值钢种的工艺要求并实现了多炉连浇。

There exist electrodissolution and Cu2O layer formation on the Copper electrode during anodic processes.The increase of temperature promotes the growth of Cu2O layer and argon gas purging also influences Cu2O layer formation.

纯铜电极在阳极氧化过程中存在着Cu的阳极溶解和电极表面生成Cu2O膜的反应，温度升高有利于Cu2O膜的生成，除氧与否影响纯铜电极的成膜反应。

We find that using the guide shell and the cooling cover improves the argon flow field,the solid-liquid interface,and the temperature gradient.It is good for the emanatory of crystallization latent heat and the improvement of the radical resistivity in the crystal.

研究发现在导流系统中引入导流筒及冷却功能后，氩气流场得到明显的改善，晶体中纵向温度梯度均匀性改善，固液界面趋于平坦，有利于结晶潜热的散发和单晶径向电阻率的均匀性。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐