1.
Study on friction reduction process and composition of ion sulphurized layer on 45 steel
45钢表面离子渗硫层组成与减摩过程的研究
2.
Tribological Properties of Sulfur-nitrade Layer on Drilling Joint Material 35CrMo Steel
钻杆接头材料35CrMo钢硫氮共渗层的摩擦学性能
3.
impermeable barrier
不可渗透层;不渗水层;不渗透遮挡层;不透层;不透水隔层
4.
A Study of Combining Treatment of Boriding and Sulphurizing for Cold Work Die Materials
冷作模具材料渗硼+渗硫复合处理的研究
5.
Model for the distribution of carburized case depth of spur gear in warm forming after car burizing
直齿轮“渗碳-温挤”渗碳层厚度分布模型
6.
Research on the Deuterium Permeation Characteristic of Stainless Steel Coated with Al Barrier Film;
渗铝涂层不锈钢氘渗透特性实验研究
7.
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
8.
Study on Theory of Flow Through Porous Media in Low Permeability Reservoir of Stress Sensitivity
应力敏感性低渗透地层渗流规律研究
9.
Study on Waterproofing Material Based Sulphoaluminate Cement;
硫铝酸盐水泥基防渗堵漏材料的研究
10.
permeability microstratification
渗透率微观分层现象
11.
deep permeability damage
地层深部渗透性损害
12.
permeability stratification
渗透率成层非均质性
13.
This membrane is semi-permeable.
这层膜是半渗透性的。
14.
low permeability contrast reservior
渗透率差异小的储层
15.
A study on filtering flow rules and water-oil displacement characteristics in deep pay and low permeability oil reservoirs;
深层低渗透油层渗流规律与水驱油特性研究
16.
The Research on Geology Process Simulation of Permeability Evolution in the Coal Reservoirs;
煤层气储层渗透率演化过程模拟研究
17.
Effect of Ion Nitriding-Sulfurizing Composite Treatment on Tribological Behavior of Ti-6Al-4V
离子渗氮—渗硫复合处理对Ti-6Al-4V合金摩擦学性能的影响
18.
Effect of Nitriding-sulfurizing Composite Treatment on Tribological Behavior of Titanium Alloy
渗氮-渗硫复合处理对Ti-6Al-4V合金摩擦学性能的影响