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- molybdenum nitride layer 钼氮改性层
- Using the high-energy mechanochemistry ball mill of self-designing,the micro/nanoneter molybdenum nitride powder are prepared through the ball-mill reaction of molybdenum and ammonia. 从机理上进一步进行了探讨,并给出了微纳米氮化钼形成的机理模型。
- The invention relates to a manufacturing method of a titanium nitride layer as well as an apparatus thereof. 本发明涉及一种氮化钛层的制造方法及其装置。
- This article took the sol-gel method to prepare the precursor of supported molybdenum nitride,used the fluid nitriding new technology. 采用溶胶-凝胶法制备了负载型氮化钼的前驱体,采用流化氮化新工艺制备了氮化钼。
- The nitride layer was formed on the surface of ductile cast iron by gas multi-element penetration, and the phase structure and section appearance of nitride layer were analyzed by the XRD and SEM. 球墨铸铁经过气体多元共渗后可在其表面形成氮化层,通过X射线衍射和扫描电镜对渗层的相结构与形貌进行分析。
- Selectivehydrogenationof cinnamaldehyde on molybdenum nitride 氮化钼上肉桂醛的选择加氢
- Properties of Composite Electrode of Tantalum Oxide and Molybdenum Nitride 氮化钼与五氧化二钽复合电极性能的研究
- Keywords cinnamaldehyde;molybdenum nitride;catalysis;selective hydrogenation; 肉桂醛;氮化钼;催化;选择加氢;
- The result shows that the porosity of nitrided layer is due to the over concentration of CNO- in the salt bath. 试验结果表明,渗层疏松主要是由于盐浴内CNO-浓度过高所致;
- Keywords molybdenum nitride;molybdenum phosphide;4,6-DMDBT;HDS and HDN; 氮化钼;磷化钼;4;6-二甲基二苯并噻吩;深度加氧脱硫脱氮;
- Keywords Zeolite supports;Molybdenum nitride catalysts;EXAFS;Structure; 分子筛载体;钼氮化物催化剂;EXAFS;结构;
- This paper deals with the kinetics of the ion nitrided layer growth for armco iron, steels 45, 40Cr, 42CrMo and 38CrMoAl. 本文研究了在不同离子渗氮工艺参数下,纯铁、45钢、40Cr、42CrMo及38CrMoAl钢等五种材料的离子渗氮层长大动力学,建立了长大动力学的数学模式。
- Keywords molybdenum nitride;molybdenum phosphide;molybdenum carbide;HDS; 氮化钼;磷化钼;碳化钼;加氢脱硫;比较研究;
- The fracture failure would occur in nodular iron crankshafts due to the over-shallow and non-uniform thickness of nitriding layer. 球铁曲轴常常由于渗氮层薄、质量不稳定而引起断裂失效,本课题研究了球铁曲轴加氧渗氮工艺。
- Reducing discharge interval and increasing electric field intensity could increase the hardness and depth of nitriding layer markedly. 在本工艺条件下,适当减小放电间隙,增大电场强度,可以明显提高渗层的硬度和深度。
- The results of experiments showed that the Nb can raise the depth of diffusion zone,hardness,wear resistance,strength and toughness of the nitriding layer of the matrix steel. 实验结果表明,铌能增加扩散层深度、硬度及耐磨性,提高渗层的强韧性。
- Recent progress is presented regarding the research of structure, process, property, failure and strengthening mechanism of the composite "nitrided layer PVD coating". 摘要介绍了“渗氮/物理气相沉积(PVD)”复合涂层在涂层结构设计、工艺与性能、失效与强化机制等方面研究的最新进展。
- It is proposed that cooling ways greatly influence the hardness of nitrided layer,and the content of CNO - within the range of fluctuation has little effect. 发现盐浴渗氮层的硬度受冷却方式的影响很大 ,而CNO-浓度在一定范围变化则影响很小 ,钒的渗入有利于改善渗层硬度。
- Microstructure Analysis of Powder Sintering Nitride Layer 粉末烧结钢氮化层微观结构分析
- Preparation and characterization of molybdenum nitride as active electrode material 电极活性材料氮化钼的制备与表征
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