The characteristics and nitriding technology of the powder metallurgy materials used for huls in CA S5 20 transmission were investigated.
对CAS5 2 0传动器进行了粉末冶金 (PM )同步器齿毂材料和氮化处理工艺研究。
Through analysis of properties of the moulds used in aluminium alloy forging products after nitriding process, the significance of moulds nitriding process in massive, medium or small type and high - precision aluminium alloy die forging products is discussed.
通过对生产铝合金模锻件所需模具经过氮化处理后的性能分析，阐述了模具氨化处理在大批量、中小型、高精度铝合金模锻件生产中的重要性。
This article take the H13 compression casting mold as an example,from annealing 、quenching briefly introduced the tempering to the nitridingthe enhancement pressure casts a mold the life heat treatment craft.
本文以H13压铸模为例,从退火、淬火、回火到氮化处理,介绍了提高压铸模寿命的热处理工艺,并详细地分析了每一热处理工序目的及所应达到的温度指标。
Study on Salt Bath Nitrocarburizing of 17-4PH Stainless Steel
17-4PH不锈钢盐浴复合氮化处理研究
To treat or combine with nitrogen or compounds containing nitrogen.
硝化用氮或含氮化合物处理或掺以氮或含氮化合物
Study on Treatment of Ammonia Wastewater by Catalytic Wet Air Oxidation Process;
催化湿式氧化法处理氨氮废水的研究
Study on Nitrogen Removal from Wastewater by Simultaneous Nitrification and Denitrification;
同步硝化反硝化处理氨氮废水的研究
Studies on Microwave-Carbon Reduction Method for the Treatment of Nitric Oxide
微波-炭还原法处理一氧化氮的研究
Treatment of Wastewater from Production of BTA by Oxidation Pond Process
氧化塘工艺处理苯并三氮唑生产废水
Annealing Behavior of Silicon Nitride Thin Film Deposited by PECVD;
PECVD沉积的氮化硅薄膜热处理性质研究
Application Studies on Treatment of Nitrogenous Water with Heterotrophic Nitrification Bacteria;
异养硝化菌处理含氮废水的应用研究
Study on the New Biological Denitrogenation Technology in the Treatment of Coking Wastewater;
焦化污水生物脱氮处理新技术的研究
Study on Biochemical Treatment of Sewage in Oil Refining-nitrogenous Fertilizer Production;
石油炼制—氮肥生产污水生化处理研究
Research on Two-step A/O Process for Chemical-industry Wastewater with High Concentration KN
两段A/O工艺处理高氮化工废水研究
Study on nitrogen removal effect by electrolysis to slightly polluted wastewater
电化学法处理高氮微污染水技术研究
Research for Treatment Process of Nitrogen-Containing Wastewater from Military Chemical Enterprises
军用化工企业含氮废水处理工艺研究
Passivating Treatment of Multiple Nitriding Layer for 15-5PH Stainless Steel
15-5PH不锈钢多元渗氮层的钝化处理
Hydrolytic Acidification/MBR for Treatment of Azo Dye Wastewater
水解酸化/MBR处理偶氮染料废水的研究
EXPERIMENT ON AMMONIA REMOVAL IN LIGHTLY POLLUTED WATER BY ELECTROCHEMICAL PROCESS
电化学法用于微污染水脱氮处理实验
Application of A/O Nitrogen Removal Technology in the Coking Wastewater Treatment
A/O脱氮技术在焦化废水处理中的应用
Photocatalytic Oxidation and Aqueous Absorption Combined Process for Nitrogen Oxides Treatment;
光催化氧化结合液相吸收处理氮氧化物的研究