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Based on the investigation of a large amount of the related academic literatures at home and abroad, a series of new heat-resistant magnesium alloys have been investigated based on AE41 alloy by Ca and Si alloying as well as substituting LPC mixed rare-earth metal for Di mixed rare-earth metal in this paper.

在阅读分析国内外相关技术文献的基础上，本文以AE41合金为基础，通过Ca、Si元素的微合金化以及用无钕的LPC稀土替代稀土Di，以获得常温力学性能相当于和150℃～175℃耐热性能优于AE42的廉价镁合金。

Experimental result makes clear, transfer metal, heavy metal and rare-earth element adulteration can be on different level the smooth catalysis performance that affects film, among them, v, ag, ce element adulteration can make the degradation rate of smooth catalysis 120 Min rises 10% above.

实验结果表明，过渡金属、重金属及稀土元素掺杂可在不同程度上影响薄膜的光催化性能，其中，V，Ag，Ce元素掺杂可使光催化120 min的降解率提高10%以上。

Kinetic investigation about Pt/TiO〓 catalyst and adding transition metal, rare-earth metal to Pt/TiO〓 catalyst on the hydrogenation of CNB.

初步探讨了Pt/TiO〓催化剂以及添加过渡金属和稀土金属催化剂上氯代硝基苯催化加氢的反应动力学。

XGN49-40.5[DXG-40.5] indoors gas insulation metal seal switching gear (hereafter refers to as "sufficient wind chest") is our company introduces the Chinese Electric power Federation Dragon Source Electric power Research institute technology development, the development, the production high tech product, its technical performance satisfies GB/T11022 "High-voltage switch Equipment And Control device Common Specification" and GB3906 "3~35kV Exchange Metal Seal Switching gear" the standard, has high reliable, exempts the maintenance, the occupying a land area of few characteristics; The main technical parameter has achieved the international advanced level.

XGN49-40.5[DXG-40.5]户内气体绝缘金属封闭开关设备是我公司引进中国电力联合会龙源电力研究所技术研制、开发、生产的高科技产品，其技术性能满足GB/T11022《高压开关设备和控制设备的共同技术要求》和GB3906《3～35kV交流金属封闭开关设备》标准，具有高可靠、免维护、占地少的特点；主要技术参数已达到国际先进水平。

The influences of the filler metal powder on the intensity threshold, weld formation and process stability have been studied during high power CO2 laser welding of aluminum alloy through the comparison between welding with and without metal powder.

通过采用和不采用填充合金粉末的比较试验，研究了填充合金粉末对铝合金高功率CO2激光焊接功率阈值、焊缝成形和焊接过程稳定性的影响。

Zhuzhou jiangwu Boda Hard-facing materials Co.,Ltd mainly froducts for Thermal Spray Powder, Refractory Metal Powder, Refractory Metal Carbide Powder,Welding Alloys, and other new materials.

株洲江钨博大硬面材料有限公司主要产品为热喷涂粉末、难熔金属粉末、难熔金属碳化物、焊接合金等新型材料，拥有自营进出口权。

The micron or sunmicon polymeric film formed on the powder surface is so strong that it reduced the chancs of cold welding between metal powder and causes the further deformation of metal powder at the later compaction stage.

在压制末期，聚合物在金属表面形成一层微米或亚微米级薄膜。这层薄膜与基体结合牢固，将金属粉末与粉末隔离开来，促进粉末的塑性变形。

LT-S series machines are widely used in sub-metal factories at home and abroad. It can separate slag generated by welding, metal powder and flux powder when dealing with submerged arc welding flux back and forth.

本机广泛运用于国内外金属结构行业，能分离处理埋弧焊接时焊剂往复使用时产生的焊渣、金属粉末、焊剂粉末。

Mechanical properties of the weld metal Mechanical properties of the weld metal are not part of the classification.

焊缝金属的机械性能焊缝金属的机械性能不是分类中的一部分。

Influence of the relative width of weld metal and strength of weld metal wes researched.

研究了焊缝金属相对宽度和焊缝金属强度对接头性能的影响。

I can still vividly recall the impressive scenes you gave. You were among my friends and relatives who accompanied me from my house to the seaport and when the porters were slow to show up, you obligingly carried my suitcase for me.

你对我的种种感人情意，使我记忆犹新，那天你随着我的亲友从家里送我上轮船，搬运工迟迟不来，你毅然替我提着皮箱上船。

St. Nicholas became the patron saint of Russia, where he was famous for his red cape, flowing white beard, and bishop's mitre.

圣尼古拉成了俄罗斯人的守护神，在那里，他以身披红斗篷，留着飘逸的白胡须，戴着主教法冠而闻名。