protection ratio

According to the statistics home and abroad, acidizing is the process with highest usage and success ratio among the stimulations of water shot off, water injection profile adjusting, paraffin clear and control and sand protection.

据国内外统计，在堵水、调剖、清防蜡、防砂等诸多油水井增产增注措施中，使用率和成功率最高的是酸化工艺和压裂工艺。

Since P2P technology has such feathers as non-center, scalability, robustness, high performance/ price ratio, privacy protection and load balance, it fits in file share, peer computation, cooperation and search fields.

由于P2P技术具有非中心化、可扩展性、健壮性、高性能／价格比、隐私保护和负载均衡等特点，适合应用于文件共享、对等计算、即时通信、协同工作和搜索技术等。

Analysis the reason of different shape of bamboo tubes after the drying. ( 3) In the protection of bamboo, from ratio of weight gain, the order of effect of the technological factors: pressure time pressure temperature ACQ-B concentration.

分析了竹筒干燥后的不同形态的原因。（3）在竹材防护研究中，从增重率看，对其影响大小的工艺因素的顺序为：加压时间压力大小温度ACQ-B浓度。

Concentration Ratio of Shares 、 Investor Protection and Corporate Performance

股权集中度、投资者保护与公司绩效

Measuring method of ratio braking characteristic curve on differential protection for impedance-matching balance transformer with three-phase current power supply

用三相电流源测试阻抗匹配平衡变压器差动保护比率特性曲线的方法