金属化

The homogeneous catalysts for selective O-methylation of phenols with DMC are generally organic bases, such as tertiary amines or phosphines, tetrabutylammonium halide and Schiff bases.

酚与DMC甲基化反应的均相催化剂一般选择叔胺、叔膦、季铵盐及Schiff碱等有机碱，多相催化剂为碱金属碳酸盐、沸石、氧化铝及附载有金属盐的氧化铝和煅烧的Mg-Al水滑石。

Carbon nanotubes are coated with Ni by a series of processes of optimization (oxidations, sensitization and activation) used to add activated sites on the surface of CNTs before electroless plating.

通过对镀Ni前碳纳米管的氧化、敏化和活化处理，在碳纳米管表面增加活化点，成功地在破纳米管表面镀上一层金属Ni，并用TEM对镀Ni前后的碳纳米管进行了表征。

The results show that HY exchanged with alkali-earth metal cation or rare-earth metal cation has higher stability than that of HY.

结果表明，用碱土金属离子或稀土金属离子交换改性的HY分子筛在烷基化反应中具有比HY更好的稳定性。

The Company QG chromium carbide hardfacing composite plate, using welding or brazing with metals produced by automatic arc welding alloy powder to add new process methods, the formation of hypereutectic high chromium multi-element alloys superhard wear-resistant layer, can significantly improve easy to wear pieces of equipment and steel production life.

本公司QG碳化铬耐磨堆焊复合钢板，采用焊丝或焊带产生的金属电弧添加粉末合金自动堆焊新工艺方法，形成过共晶高铬多元素合金系超硬耐磨层，可大幅提高易磨损设备及钢板制作件的使用寿命。

All kinds of diamond gringding wheel,including resin binderB,metal binderU,and other diamond products.They are mainly suitable for rough grinding,semi-micro-finishing,micro-finishing,micro-finishing,polishing,grinding,cutting of hard alloy,mgnetic material,mould and measuring tool,knife and cutting tool,tungsten carbide roll collar,pottery,glass,stone material and ferrite work piece,etc.

描述： 本公司还提供人造金刚石树脂结合剂、金属结合剂砂轮、金刚石锯片及其他金刚石制品产品主要适用于：硬质合金、磁性材料、、磨具量具、刀具刃具合金锯片、碳化钨硬质合金轧辊、陶瓷、玻璃、石材、铁氧体工件等的粗磨、半粗磨、精磨、抛光、开槽、切断等，使用范围十分广泛。

Current thermal methods for the treatment of the above waste materials include the following four treatment systems: vitrification, plasma processing, molten metal processing and steam reforming.

目前以热方法处理上述垃圾污染物的处理系统有四种：玻璃化系统，等离子体加工法，高温熔化金属处理法，蒸气重组系统。

The major aging problems in a PWR plant and their assessment technologies were summarized as the radiation embrittlement of reactor pressure vessel materials,thermal aging of cast stainless steel,stress corrosion cracking of steam generator tubing and metal fatigue in primary circuit of a PWR plant.

主要的老化机理有反应堆压力容器的辐照脆化、铸造不锈钢的热老化、蒸汽发生器传热管的应力腐蚀开裂和金属疲劳。

The alloying layer was formed on the saw blade tooth of 20 steel by ion penetrating W and Mo.

5mm的板状源极，利用双层辉光离子渗金属技术，在以20钢为基材的手用锯条齿部表面，渗入W、Mo元素形成合金化层。

Kobayashi, Shirō,1989,"Metal Forming and the Finite-Element Method", Oxford University Press

许进忠，民国80年&金属挤伸模具与制程之电脑辅助最佳化设计&，国立成功大学机械工程研究所，博士论文

N2 gas molecules RF Glow Discharge in GaN, new materials such as synthetic surface and the metal nitride technology and other fields has been widely used.

N2气体分子射频辉光放电在GaN，等新型材料合成以及金属表面氮化技术等领域已得到了广泛的应用。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。