高镍的

ABSTRACT The oxidation of both low and high-activ ity simple and Pt-modified aluminide coatings on nickel base superalloy IN738 h as been studied in static air at 1100℃ up to 1000 h.

摘 要 研究镍基高温合金的高铝与低铝活度简单涂层和铂改性渗铝涂层在1100℃空气中的氧化行为。

At the temperature of 950~1100℃, the high FeCrNi austenitic steel showed a better heat-stability and mechanical properties as well.

在950~1100℃高温下，铁基高铬镍系奥氏体热稳定钢兼有优良的热稳定性和良好的物理力学性能。

In combination with Ni_2 as phosphate scavenger, binuclear nickel complex displayed high catalytic activity for the polymerization of ethylene.

以Ni_2为瞵攫取剂，该双核中性水杨醛亚胺镍化合物对乙烯聚合显示出较高的催化活性，并考察了聚合反应条件对其催化性能的影响。

ABSTRACT With a Ni-base single crystal superalloy, DD8, a series of SC samples solidified with various solid-liquid interface morphologies planar, cellular, dendritical cellular, coarsely dendritic and fine dendritic ctc.

选用镍基单晶高温合金DD8为研究对象，利用籽晶法控制单晶的三维晶体取向，在自制高温高梯度LMC定向凝固装置上制取不同界面形态的单晶试样，首次系。。。

The cyclic voltammetry were used for the measurement of electroanalytical properties of the analytes by means of composite film modified electrodes.

经由多层奈米碳管修饰后的镍氧化物薄膜在灵敏度上高於其他常用的修饰电极。

It is not reasonable in economy to recover nickel from Jinchuan low-grade oxidized nickel ores by present metallurgical or hydrometallurgical process.

对于金川有色金属公司低品位的氧化镍矿，目前的火法和湿法冶金工艺，生产成本高，难以回收利用。

The positive rate was 62.5%. The allergens with higher positive rate were nickel sulfate, 4 Phenylenediamine base, fragrance mix, potassium dichromate and formaldehyde. The positive results were found in patients with face dermatitis, eczema, contact dermatitis, urticaria and pruritus.

阳性率较高的过敏原依次为：硫酸镍、对苯二胺、芳香混合物、重铬酸钾、甲醛，斑贴阳性的病种有面部皮炎、湿疹、接触性皮炎、荨麻疹、瘙痒症。

Nickel sulfate was the most frequent sensitizer, followed by Thimerosal, Potassium dichromate, Fragrance mix and Formaldehyde. Frequencies of contact allergy to Thiuram mix, Mercapto mix, Imidazolidinyl urea, and bronopol were relatively low.

结果： 1 129 例受试者中，阳性反应747例，阳性反应率较高的变应原依次是：硫酸镍、硫柳汞、重铬酸钾、芳香混合物、甲醛，阳性反应率较低的变应原有：秋兰姆混合物、硫氢基混合物、咪唑烷基尿素、溴硝丙二醇。

Brief:Through the HKS-315 alkaline zinc-nickel alloy technology to use, bath and coating performance of the statement that the process easy to control, mature stability, and can be highly anti-corrosion coating to the conclusion.

通过对HKS-315碱性锌镍合金工艺使用方法、镀液性能以及镀层性能等方面的陈述，得出该工艺容易掌控，成熟稳定，并能得到高防腐蚀能力镀层的结论。

The content of platinum-group elements in samples of sulfides and gold-bearing breccia from the Taibai gold deposit was determined by the nickel sulfide fire assay and inductively coupled plasma-mass spectrometry.The results show that the PGE content in these samples is higher than that in the Baguamiao gold deposit,Qinling,but lower than that in the primitive mantle.

采用硫镍火法试金结合电感耦合等离子质谱分析了太白金矿硫化物和含金角砾岩中铂族元素的含量，结果显示，与秦岭地区八卦庙相比铂族元素含量较高，而低于原始地幔，其中铂、钯、钌富集，并结合前人研究资料对铂族元素的来源和迁移机制进行探讨。

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。