1.
For the low guality and high cost of wear structur al parts, especially gear wheel, the new technology of variable temperature and low-pressure carborization is indicated.
针对耐磨构件，尤其是齿轮等机械构件质量低和生产成本高的现状，提出变温低压渗碳新工艺。
2.
Low pressure vaccum carburizing for Cr17Ni2 stainless steel
Cr17Ni2不锈钢低压真空渗碳工艺研究
3.
Analysis of the sensitivity of carbon dioxide huff 'n' puff for fractured reservoirs with low permeability
人工压裂低渗透油藏二氧化碳吞吐因素敏感性分析
4.
Having the lower osmotic pressure of two fluids.
低渗透的两种液体低渗压的
5.
Integral fracturing optimization design of non-Darcy flows in low and ultra-low permeability oil reservoirs
低渗透、特低渗透油藏非达西渗流整体压裂优化设计
6.
A Pressure Pulse Technique to Test Liquid Permeability of Core with Low Permeability.
测量低渗岩心液体渗透率的压力脉冲技术
7.
The heat treatment technology of carbo- nitriding of steel has the characteristic of lower treatment temperature and direct quenching.
钢的碳氮共渗热处理工艺具有共渗温度低、直接淬火等特点。
8.
Study on Mechanical Energy Aided Aluminizing and Properties of Aluminizing Layer;
低碳钢表面机械能助渗铝工艺及渗铝层性能研究
9.
Gas Carburization Characteristics of Sub-micron Structure on Fe Surface at Low Temperature;
铁表面亚微米结构的低温气体渗碳特性
10.
Fine log evaluation in anisotropic low-permeability carbonate reservoirs
低渗非均质潜山碳酸盐岩储层测井精细评价
11.
Technologies for improving producing degree of low permeability carbonate reservoirs
提高低渗碳酸盐岩储集层动用程度技术
12.
Brightening Treatment of Austenite Stainless Steel after Plasma Carburizing
奥氏体不锈钢低温离子渗碳后的亮化处理
13.
The experiment of single-phase flow through low permeability core shows that during fluid flow there exists start-up pressure gradient.
低渗透岩心单相渗流实验表明，流体渗流时存在启动压力梯度。
14.
FRACTURING OPTIMIZATION RESEARCH ON SHANG541 LOW PERMEABILITY SANDSTONE FORMATION
商541低渗透砂岩地层压裂优化研究
15.
The Economic Low Limit Research of Extra-Low Permeability by Hydraulic Fracturing;
特低渗透油藏压裂改造经济下限研究
16.
A Study and Application of Fracturing on Low Permeability Bottom-Water Driven Reservoir
低渗透底水油藏压裂技术研究与应用
17.
Development Technologies of the Abnormal High Pressure Ultra-low Permeability Reservoirs
异常高压特低渗透油藏开发技术研究
18.
Extraction Mechanism of Relieved Gas from Low Permeability Seam
低渗透性煤层卸压瓦斯抽采机理研究