查询词典 argon

Metallographic examination displayed fine niddle shape grains in laser welds and large grains in pulsed tungsten argon welds which became finer after heat treatment.

金相观察激光焊接区为细小的针状马氏体结构脉冲氩弧焊接区为粗大的颗粒热处理后晶粒较为细小。

After the same annealing, the pinning field of sample Ta/NiFe/FeMn/Ta fabricated at higher argon pressure is higher than that fabricated at lower pressure.

在经过相同的条件退火后，高气压下制备的样品Ta／NiFe／FeMn／Ta的钉扎场仍要高于低气压下制备的样品的钉扎场。

All welds shall be made using the Tungsten Inert Gas welding process using tungsten nonconsumable electrodes and 100 percent commercially dry and pure argon gas for internal pipe purging and for electrode shielding.

所有焊接点的焊接必须采用钨极电弧焊之焊接方法，使用钨非自耗电极及100％干纯商品氩气用作内部清洗与电极保护。

Being odorless, colorless, tasteless, and nonirritating, argon has no warning properties.

由于无嗅、无色、无味、无刺激性，氩没有警告性特征。

Panton B.E..Contraction of the welding arc caused by the flux in tungsten-electrode argon-arc welding. The Paton Welding Journal,2000,(1):pp5～11

在碳钢A-TIG焊中，使焊接熔深增加的主要原因有电弧收缩和表面张力梯度两个方面，起主要作用的是电弧收缩。

Laser micro-spectral analyzer,coupled with CCD spectrometer,was used to determine Sr in long-afterglow phos- phor coat in argon atmosphere at reduced pressure in this experiment and the accuracy of this method on analyzing coating materials was studied.

实验中以SrⅡ421.552nm为分析线，采用三标准试样法，由计算机拟合LogI～LogC工作曲线，对锶进行了测定。

The results indicated that ultra-low nitrogen (0.001 0%-0.008 0%, w/%) in low alloy steel could be determined accurately under such optimized analytical conditions as follow: the addition of deoxidizing agent was less than 0.35%, multi-head milling cutter should be chosen and the milling depth was 1.4 mm while sampling, the mass percentage of argon was no less than 99.999 5%, the washing time was set as 8 s, the precombustion time was set as 3. 3 s and energetic precombustion energetic measure optical source mode is adopted.

结果表明，取样时控制脱氧剂加入量不超过0.35%且选用多刀头铣刀盘，铣样深度为1.4 mm；在氩气的质量分数不小于99.999 5%，冲洗时间为8 s，预燃时间为3.3 s，采用高能预燃高能测量光源方式等优化的分析条件下，可有效测定低合金成品钢中质量分数为0.001 0%~0.008 0%的超低氮。

The CAC refining technology has characteristics such as reducing molten steel reoxidation,lengthening argon-blowing time,reducing the inclusion in steel and improving the alloy recovery and the molten steel quality and so on.

CAC是利用在钢包上加惰性气氛包盖使钢水与包盖间充盈烟气和氩气形成高温惰性气氛，以避免钢水的二次氧化，减少钢水温降，并延长吹氩时间。

The relationship between the amount of rephosphorization and optical basicity is discussed through the analysis of change on the ladle slag deoxidation,secondary steelmaking slag flux and argon blowing.

本文通过对下渣炉次钢包渣在脱氧、精炼造渣、吹氩条件下渣子光学碱度的变化，分析了钢水回磷量与光学碱度的关系。

When heated above 300℃, compound 1 decomposes, forming Ir, 2, 4-pentanedione, 3-butene-2-one and 2, 5-dimethyl furan etc. in argon. When compound 1 decomposed in oxygen, fewer kind of thermolytic pmducts can be obtained.

三（2，4-戊二酮）合铱在氧气气氛下由於能够比较充分地氧化，因而分解产物种类比在惰性气氛下由於自身分解而生成的产物种类少并且稳定。

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