氩

After the blood of mouse flows through the anticoagulative tube for 24 hrs,there is not any blood oozing out of the wound,nor is thrombus in...

经接触角测定和复钙时间测得，氩等离子体轰击并完成肝素接枝在高分子表面的最佳合成时间是12秒。

ARx, AR, and BL were new lines.

ARX的，氩，和BL的新生产线。

An apparatus of picosecond time-resolved spectra's measurement is established, in which a mode-locking Argon ion laser and Boxcar signal averager and processor is used.

建立了以锁模氩离子激光器和Boxcar信号平均处理器为主体的皮秒时间分辨荧光光谱测量装置，时间分辨率可达120ps。

Methods In order to realize portability for high-frequency argon-beam coagulatory devices, several high technologies were applied, including microelectronic technology, MCU automatic control technology, new technology of program-controlled high-frequency power switch and technology of argon-beam control for pressure and flow stability.

采用微电子技术、单片机自动控制技术、程控高频开关电源新技术及氩气稳压稳流控制技术，多项高新技术应用于氩束凝固止血器，实现了氩气高频止血设备便携小型化。

By optimizing such process as refining dreg series and deoxidizing,mode of adding slagging raw materials,blowing Ar system,preventing nitrogen adding in refining process,adopting such process measures as controlling degree of superheat of smelten steel strictly,selecting suitable pulling speed and colling water quantity,using electromagnetism stir in continuous casting,the center carbon segregation index is at about 1.04 basic...

通过对精炼工序中精炼渣系和脱氧工艺选择、造渣原料的加入方式、吹氩制度、防止增氮等工艺的优化，在连铸中采用严格控制钢水过热度、选用合适的拉速和冷却水量、使用电磁搅拌等工艺措施，中心碳偏析指数集中在1.04左右，夹杂物尺寸变小、数量大为减少，疏松和缩孔均降低到0.5级以下，线材面缩率达到34%以上，大部分为41%~44%，索氏体体积分数达到91%，可顺利拉拔至0.3 mm。

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。

Firstly,nanostructure ZnO materials were controllably deposited by radio frequency magnetron sputtering method,with optimized Ar/O_2 ratio and sputtering power,choosing suitable buffer layers.

利用磁控溅射方法，通过优化制备过程中的氩氧比和溅射功率等工艺条件，选择合适的缓冲层材料，在硅衬底制备出了结构和尺度可控的ZnO纳米结构材料。

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。

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