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- By performing Static Thermo-mechanical Analyses, we revealed the expansion characteristics of the coal particles in shielding gas atmosphere during the devolatilization. 通过静态热机械分析仪可以了解在有保护气的条件下,煤颗粒在挥发分析出的过程中颗粒的膨胀特性。
- shielding gas atmosphere 保护气氛
- Shielding Gas Method of CO2Laser-TIG Hybrid Welding[J]. 引用该论文 高明;曾晓雁;胡乾午;严军.
- A shielding gas is employed and the transfer mode is not "short-arc". 采用保护性气体和非短弧的过渡方式。
- Gaseous helium is used as an inert shielding gas in metal arc and laser welding. 在金属电弧和激光焊接中气态氦用作惰性屏蔽气体。
- Available for welding of low-carbon steel and alloy steel;aluminium alloy taking argon as shielding gas. 适用于低碳钢、合金钢的焊接;用氩气作为保护气体时可焊接铝铪金。
- Argon serves as a shielding gas to protect metals from oxidation during welding. Inert gas welding is the preferred method of joining several ferrous and nonferrous alloys. 焊接中,氩作为保护气防止金属氧化。惰性气体焊接是连接几种含铁和不含铁的合金的首选方法。
- To gain fine mechanical property and bead strength to raise welding efficiency and quality, only applicative welding parameters and shielding gas rate could attach to the target. 摘要就焊接的目的而言,正确的焊接参数组合及适当的遮护气体比例才能使母材获得良好的机械性质及焊道强度,提高焊接效率与品质。
- Controlled Endo gas atmosphere. 控制吸热型气氛。
- Fe-C nano _ particles, which is produced by AC arc method in Ar gas atmosphere at pressure of 18 kPa, is studied by transmission electron microscope(TEM) observation and selected area electron diffraction(SAED) analysis. 利用透射电镜观察和选区电子衍射分析研究了在18kPa的Ar气氛中通过交流电弧法制备的Fe -C纳米微粒。
- In situ MgO/Mg 2Si reinforced magnesium matrix composite was fabricated by adding SiO 2 into the molten magnesium under the protection of Ar gas atmosphere in vacuum induction furnace. 通过真空感应炉中氩气保护 ,在纯Mg熔体中加入SiO2 原位反应自生MgO/Mg2 Si增强镁基复合材料 ,并采用XRD、OM、ESEM、EDAX等对反应生成相的种类、形态、大小和分布等进行研究。
- Fully automated annealing facility with computerize guarantee the uniform annealing structure of metal form, protectunder Nitrogen and Hydrogen gas atmosphere to fulfill your product &need. 全自动计算机化退火生产设备,确保材料金属组织均匀性,而且在氮气和氢气气体的保护下,材料可达到客户要求。
- This paper describes the formula for cold parkerizing flame proof joints of electrical apparatus for explosive gas atmosphere and process for cold parkerizing of flame proof joints. 经过试验验证,改进后的工艺和设备既保证了密封,又控制了变形,满足了防爆标准对高压隔爆接线盒隔爆面平面度的要求。
- The effects of welding speed, defocusing distance, laser power, shielding gas, activating flux and activating elements on weld shape in YAG laser welding of SUS304 stainless steel was studied. 以不锈钢SUS304作为试验对象,分别研究了焊接速度、散焦离焦量、激光功率和保护气体等工艺参数以及活性剂和活性元素硫对不锈钢YAG激光焊焊缝成形的影响。
- Uses cerium-tungsten as electrode, argon gas as shield gas to perform the TIG welding, suitable for welding of alloy steel, stainless steel, copper, nickel and its alloy, titanium and its alloy etc. 氩弧焊采用铈钨作为电极、氩气保护,用于焊接各种合金钢、不锈钢、铜、镍及其合金、钛及钛合金等金属。
- Lead aprons shield people from radiation. 铅做的工作裙可使人免进辐射。
- Selection of Electric Equipment in Explosive Gas Atmosphere 爆炸性气体环境用电气设备的选择
- I'll refill my cigarette lighter with gas. 我将给打火机再灌满汽油。
- He lied to the court to shield his friend. 他对法庭说谎以包庇自己的朋友。
- The sword glanced off the shield. 剑擦过盾牌。