1.
Research about Nitriding Time of Alloy Structural Steel Shortened by Rare-Earth Nitriding
用稀土渗氮缩短合金结构钢渗氮时间的研究
2.
opportunity time
地面水的可能渗灌时间
3.
Experiment Research on Moisture and N Transport under Surge Flow Irrigation;
波涌灌间歇入渗水分与氮素运移特性试验研究
4.
Study on Ion Oxynitriding and Ion Nitriding Post Aging & Oxidizing Processes;
空气离子氮氧共渗和时效氧化工艺的研究
5.
Carbonitriding Greer Car when the Analysis of Abnormal Organize
汽车变速齿轮碳氮共渗时异常组织的分析
6.
Microstructure and properties of plasma nitrided 00Cr12Ni9Mo4Cu2Ti maraging stainless steel
00Cr12Ni9Mo4Cu2Ti马氏体时效不锈钢离子渗氮组织和性能
7.
liquid carbonitriding
液体碳氮共渗, 液体渗碳氮化法
8.
Study of Process Characteristics and Nitrided Layer Properties of Vacuum Nitriding
真空渗氮工艺特性及渗氮层性能研究
9.
Research on New Process of Ion Nitriding at Pure Nitrogen Atmosphere and Ion Nitriding Mechanism;
纯氮离子渗氮新工艺及离子渗氮机理研究
10.
Experimental Study on Nitrate Transfer under Intermittent Infiltration and Groundwater Environmental Effect;
波涌灌间歇入渗氮素运移特性与地下水环境效应试验研究
11.
Experiment Study on Nitrate Transport Characteristics and NO_3~--N Distribution in Groundwater under Intermittent Infiltration of Surge Irrigation;
波涌灌间歇入渗氮素运移及对地下水NO_3~--N分布特性影响试验研究
12.
Process and Mechanism of Ion-nitriding under the Atmosphere of N_2 and N_2-NH_3;
纯氮、氮—氨离子渗氮工艺和机理研究
13.
Clinical Study of the Risk of Reinfusion of Postoperative Drain Blood in Orthopaedics
骨科术后伤口渗血回输的时间选择
14.
Study on heat preservation time on Ti(CN) films by double glow plasma surface alloying in nitrogen gas;
控制双辉渗镀Ti(CN)膜保温时间的研究
15.
Study on the time scales of soil sorptivety determined by Philip equation
Philip公式确定吸渗率时间尺度研究
16.
Study on Transport Mechanism of Nitrogen Pollutants in Saturated Clay Layer under Vertical Infiltration
氮污染物通过饱和粘性土层垂直渗透时迁移机理研究
17.
The Real-time Control of SBR System for Removal of Ammonia in Landfill Leachate Treated by MAP Precipitation
SBR工艺去除MAP沉淀后垃圾渗滤液中氨氮的实时控制
18.
Influence of Timing Preparation on Coronal Microleakage of Cemented Cast Posts and Cores;
不同间隔时间预备对桩核微渗漏的影响