Sequentially, the effective radius of gas extraction and the effective pressure-released radius of pressure-released borehole are calculated by the borehole destroying radius expressions.
所得出的钻孔破坏半径的表达式可用于不同条件下计算瓦斯排放钻孔的有效排放半径和卸压钻孔的有效卸压半径。
The effective radius and rational distances between bores of drainage gas in coal seams are two of the fundamental parameters of the rational arrangement bores in the engineering of drainage gas.
在本煤层抽放瓦斯工程中,有效半径和钻孔间距是合理布置抽放钻孔的两个主要参数。
In the near infrared and middle infrared spectral region, the cloud reflection function depends mainly on the cloud particle effective radius.
在近红外和中红外光谱区,云的反射函数主要依赖于云滴有效半径。
The effective killing radius is greater than the average soldier can throw it.
投掷武器的杀伤半径总比一般士兵能扔的距离大。
When detector effective radius and incoherent incidence light effective radius were all less than 3, the system had better optical sectioning strength.
发现当探测器和光源的有效半径都小于3时,系统具有较好的光学层析能力;
In order to guarantee the quality of projects, and save materials, it will play an important role to calculate effective diffusion radius of slurry in chemical grouting works.
为了保证工程质量、节约材料,对化学灌浆工程浆液扩散有效半径的计算,将起着重要作用。
It is found that the more the phonon dispersion, the larger is the effective mass, and the smaller the screening radius of electron-hole effective interacting potential.
随着色散的加强,激子的有效质心质量、有效约化质量增大,电子-空穴有效作用势的屏蔽半径变短。
Welding temperature distribution was effected by the effective heated radius of the arc regulated by different external longitudinal magnetic intensity.
外加纵向磁场可以改变电弧加热有效半径进而影响焊接温度场分布。
The radius of plastic area, the maximum compress stress caused by driving pile , and the pore water stress can be concluded by using the cavity expansion method and the effective stress theory.
分析了软土地基中静压桩的挤土效应机理,依据圆孔扩张理论和有效应力原理,推导出塑性区影响范围、桩对土体的挤压应力、孔隙水压力估算公式等。
Objective To explore a quick and effective surgical therapy, followed by fewer complications for the instable fracture in distal radius and intra - articular fracture.
目的探讨桡骨远端不稳定骨折及关节内骨折快捷、有效、并发症少的手术治疗方法。
The treatment of unstable distal radius fractures in the elderly patient with a volar T-shape plate is a safe and effective method.
掌侧斜T形钢板治疗老年桡骨远端不稳定骨折是安全有效的治疗选择。
Full radius hob on tooth tip is one of the effective measures by increasing gear tooth bending strength.
应用齿顶整圆弧滚刀是提高齿轮弯曲疲劳强度的有效措施之一。
The attractive activity of this attractant to M. alternates was similar with prototype attractant and the effective attractive radius and trap ratio was 70 m and 43.8% in forest, respectively.
该引诱剂引诱松褐天牛成虫的引诱活性与原型引诱剂基本一致,其林间有效作用半径和诱获率分别为70m和43.8%。
Abstract: in order to measure effective drainage radius exactly, we propose the method based on gas flow and pressure of boreholes.
摘要为了准确的测定有效抽采半径,提出基于钻孔瓦斯流量和压力的测定方法。
However, the variation of the effective exciton radius with film thickness and its influence on the structure of energy levels have been considered.
但本文中考虑了激子有效半径随薄膜厚度的变化及其对能级结构的影响。
The dependences of mode power on propagation distance, effective bend radius are calculated with the bend radius experiencing sudden and gradual transition.
计算了有效弯曲半径经历渐变和突变情况下,模式功率随传播距离和有效弯曲半径的关系。
Cloud optical thickness and effective particle radius are the important parameters to parameterize the cloud optical properties.
云的光学厚度与有效粒子半径是云光学属性参数化方案中的重要参数。
Air refueling is an effective method to increase the cruise range and active radius of a fighter.
空中加油是提高飞机航程、活动半径的重要方法。
Solutions such as decreasing the tool's curvature radius, using means of single dimensional numerical control compensation or profiling with a hollow cone are effective.
解决方法是减小工具的曲率半径,或增加一维数控进行补偿,或使用空心圆锥体仿形。
Also, the possible influence of scaling violation to the number of passive quarks and to the effective bag-radius is suggested.
我们还推测了标度破坏对旁观夸克数及有效袋半径的可能影响。
The effective pore radius of the membrane decreased...
接枝后微孔膜的表现孔径减小了。
The effective pore radius of the membrane decreased...
接枝后微孔膜的表现孔径减小了。
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