酸处理的有效作用距离，是一个颇多争议的问题。
The effectively acting distance of acidizing treatment is a problem with quite more disputes.
VHF通信系统：有效作用距离35海里，具有多频道录音功能。
VHF Communication System: Effective range of 35 miles with multi-channel recording function.
酸压施工的成功与否主要取决于酸液有效作用距离和酸蚀裂缝导流能力。
Whether the treatment successes or not mainly depends on the acid etched fracture conductivity and effective distance of acid-rock reaction.
碳酸盐岩储层通过酸压改造，提高裂缝长度和酸液有效作用距离，是提高酸压措施建产率的关键。
Increase the effective distance between fracture length and acid by acid-fracturing treatment is a key to improve acid-fracturing producing rate for carbonate reservoir.
首先，高温下常规土酸与地层矿物反应速度极快，酸液有效作用距离短，活性酸不能到达地层深部；
First, the speed of the reaction between mud acid and rock is very fast, the effective distance of acid is short, active acid can not reach deep formation.
给出了回流区平均速度、最大回流速度及射流作用距离的计算模型，为掘进工作面合理有效通风提供了新的理论依据。
The calculation models are set up on average speed and Max speed in back field and jet effect distance, new theoretical reference is provided for effective ventilation in heading fa.
另外，充氢能够增加块体非晶合金材料的原子平均最近邻距离和有效作用势深度。
In addition, the average first-neighbour distance and the depth of effective pair potential can be increased after hydrogen charging.
实验结果表明了该技术的有效性，对迭代依赖距离大的循环片段优化作用更明显。
The experimental results demonstrate effectiveness of the technique and show an obvious optimization in loops have a long dependence distance.
进而分析了脉冲电场作用下基体中石墨晶核的数量增加，有效地缩短了珠光体分解时碳原子的扩散距离，从而加速了第二阶段石墨化过程中珠光体的转变。
The result indicated that transformation of perlite was accelerated and the quantities of ferrolites was increased under the function of impulse electric field at second stage graphitization.
当激光器上升沿变陡时，在有效作用时间内温度上升得更快，对加工区域周围热效应的影响明显减弱，而热扩散距离变小。
When the rise time is steeper, the temperature rises faster, and the surrounding of the machining filed are less affected while the distance of the thermal diffusion reduces.
脉冲压缩有效地解决了雷达作用距离与距离分辨率之间的矛盾，可以在保证雷达在一定作用距离下提高距离分辨率。
Pulse compression effectively solve the radar range and distance between the resolution, Radar can guarantee a certain role in enhancing distance from the resolution.
讨论了影响高速飞机红外作用距离的内外部因素，如飞机的内部传热、探测路径方向与有效辐射面积等。
The physics model of the IR radiation characteristic of high-speed aircraft was established. Ulteriorly, using this result, the …
讨论了影响高速飞机红外作用距离的内外部因素，如飞机的内部传热、探测路径方向与有效辐射面积等。
The physics model of the IR radiation characteristic of high-speed aircraft was established. Ulteriorly, using this result, the …
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