耐磨

Effects of the different accelerants(La and Ce nitrate,Na nitrate and Na molybdate) on phosphatization were discussed.

提出在表面生成磷化膜以提高不锈钢的耐磨与耐蚀性能的工艺方法，讨论了各种促进剂(亚硝酸钠、钼酸钠、硝酸铈和硝酸镧)对磷化膜形成的影响，探讨了稀土对磷化的影响机理。

Study on Phosphatization and Passivation Two in One Treatment Process;2. Effects of the different accelerants(La and Ce nitrate,Na nitrate and Na molybdate) on phosphatization were discussed.

提出在表面生成磷化膜以提高不锈钢的耐磨与耐蚀性能的工艺方法，讨论了各种促进剂(亚硝酸钠、钼酸钠、硝酸铈和硝酸镧)对磷化膜形成的影响，探讨了稀土对磷化的影响机理。

The result of welding test show that we can acquire all wool and a yard wide welding joint between the pickax boot wearable materials (2C) and pickax body materials through selecting fit welding material and drawing up the reasonable welding craft.

焊接试验结果表明，通过选择合适的焊接材料以及制定合理的焊接工艺，能够获得所选镐靴耐磨性能最好的2C试样与镐体材料优质的焊接接头。

The result of abrasion test and welding tests show, the crafts of adopting parted type structure to make tamping pick is viable theoretically, the pickax boot wearable material we have selected havent appear brittleness desquamation under the condition of test, and the ratio of performance and price of the material is higher; The welding joint has no obvious welding bug under the condition of test, the break mode of welding slot metal is mainly toughness break, and the craft performance of the weld material we have selected is all right, the welding craft we have established is suitable to the occasion and feasible.

磨损试验和焊接试验结果表明，采用分式体结构制造捣镐这一工艺理论上是可行的，所选镐靴耐磨材料在试验条件下未见脆性剥落，而且性价比较高；焊接接头在试验条件下没有明显的焊接缺陷，焊缝金属断裂方式主要是韧性断裂，而且所选焊接材料工艺性能良好，所制定焊接工艺切实可行。

The strring-cast process is the only one that is suitable for large scale industrial production among all processes of fabricating particulate reinforced magnesium matrix composites by reason of its pithiness and cheapness.

镁基复合材料具有高的比强度、比刚度，较好的耐磨性、耐高温及减震性能，在航空、航天特别是汽车工业中具有潜在的应用前景。

The objection to the placer origin have centred around the softness of uranium compounds.

反对砂矿成因的论据主要是：铀的化合物不耐磨蚀。

Work rolls used in cold rolling mills must have outstanding wear resistance and very little plastic deformation.

冷轧轧机上的工作辊必须有很高的耐磨性和较低的塑性。

Therefore, the effect of RE addition on the microstructure and mechanical properties of alloy was investigated. The results indicate that a small quantity of RE can refine the grain of HAl62-3-3-0.7 alloy, but linear RE-rich phase appeared in the microstructure of alloys which contain plethoric RE.

文章阐述了稀土元素对该类高强度耐磨黄铜的组织和性能的影响，试验表明适量加人稀土会显著细化晶粒，过量的稀土会导致在合金显微组织中形成线形富稀土相。

Current research status were summarized on toughened,wear-resistant and self-lubricated,thermal Stability,flame retardancy of polyoxymethylene and its application in PTC condcting material.

综述了聚甲醛的增韧、耐磨改性及改善POM热稳定性、耐候性、阻燃性能的研究成果，介绍了POM用作PTC导电材料的现状。

Powder Mill is a high-pressure resistant equipment company technical experts in the many years of research based on the industrial mills, drawing on the fineness of Germany and Japan advanced classification technology, according to fluid mechanics, devoted themselves to developing out with Jet Mill powder mill efficiency comparable to solve the domestic use of the high cost of jet mill problem, solve the ultrafine classification difficulties.

商品简介：高压微粉磨粉机是我公司耐磨设备技术专家在多年的研究工业磨粉机的基础上，吸取了德日先进的细度分级技术，根据流体力学原理，潜心研制出的可与气流磨相媲美的高效微粉磨机，从而解决了国内采用气流磨成本高的难题，解决了超细粉分级难关。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。