The relationships of the particle size, critical hole diameter and arch highness are derived.
导出了粒径与临界孔口直径、拱高之间的关系。
The compensated ability varies with the difference of bed slowness and changes of hole diameter.
随着地层时差的不同和扩径量的不同，双发双收声系的补偿能力也不同。
The effect of hole diameter change on sound logging data should not be neglected in sound logging.
在声波测井中，井径的变化对声波测井数据的影响是不能忽略的。
Therefore there are some demands set for the small hole diameter and thickness of the perforated plate.
因此，对小孔直径、穿孔板厚度都有一定要求。
The structural parameter mainly includes the gas hole diameter, the water hole diameter and the mixture hole diameter.
结构参数方面主要包括气孔直径、水孔直径及混合孔直径。
The stress concentration factor (SCF) decreased with the increase of the width of plates when the hole diameter was definite.
结果表明：在开孔尺寸一定的情况下，随着板宽的增大，开孔损伤板的应力集中因数减小；
The effect of spinneret hole diameter on the filament diameter and birefringence of PET POY was studied by using the same spinneret.
研究了同一喷丝板上不同喷丝孔直径对涤纶POY单丝直径与双折射率的影响。
Relations of hole diameter, distance between adjacent holes, and flow volume of trunk to distribution of flow volume were discussed.
讨论了孔径、孔间距、总管流量与流量均布的关系。
The results indicate that, atomization pressure and nozzle hole diameter have a remarkable influence on the atomization characteristics.
实验结果表明，雾化压力和喷嘴孔径对雾化特性具有显著影响。
The factors of distance, hole diameter, K value and temperature affecting the measuring precision of K value of Angle probe were analyzed.
分析距离、孔径、K值和温度等影响斜探头K值测量精度的因素。
The squeezing action forces the displacer of the screw into the sheet, causing it to reduce the mounting-hole diameter and captivate the screw.
挤压动作迫使薄板金属塑性变形，并使安装孔的直径变小，从而使螺钉松不脱。
Influence of process factors including hole diameter of filter, pressurised head and temperature, on the specific resistivity of aluminum was studied.
主要研究了过滤器孔径、工作压头及温度等工艺因素对铝电阻率的影响。
Double hole diameters compound trays have a little larger capacity in comparison of single hole diameter compound trays and their turndown ratio is over 3.5.
双孔径复合塔板比单孔径复合塔板处理量略微增大，操作弹性高达3.5以上。
And then workout the computational programme to identify the salt rock rheological models and mechanical property inversion, well hole diameter shrinking rule.
编制了盐岩流变模型辨识及力学参数反演、井眼缩径规律的计算程序。
This paper presents a study of the edge cutting pin′s hole diameter and the relationship between the said diameter and the maximum angular error of a workpiece.
本文就削边销及其配合孔的直径与工件最大转角误差的关系进行了分析计算。
The stress relief method of hole diameter deformation was used to measure the stress distribution of the pillar structure in the mined area in a big phosphate mine.
采用孔径变形应力解除法，测量了某大型磷矿采空区中矿柱结构的应力分布规律；
Realize the function of processing data in deep hole diameter measuring by the wireless sensor network to avoid the malpractice which exists in the traditional method.
由无线传感器网络节点来实现深孔测径中数据采集处理功能，以避免传统方法中存在的弊端。
In this paper, the influence of flow coefficient of injector hole, hole diameter and needle lift on emission is studied through contrast experiment of different injectors.
本文通过对柴油机配置不同喷油器所进行的排放对比试验，研究分析了喷油器喷孔流量系数、喷孔直径、针阀升程对排放的影响。
The enlargement of hole diameter increased the exposed area and pressure releasing range of bored coal seam, and raised gas drainage amount and discharging effect from holes.
通过扩大钻孔的直径，从而达到增加钻孔的煤层暴露面积和卸压范围，增大钻孔抽排瓦斯量，提高钻孔的抽排效果。
In this paper the relation between the hole diameter and the pile thickness of the jet on the hole bottom for a jet penetrating or drilling process is theoretically examined.
本文在理论上探讨了射流在侵彻或钻孔过程中，孔径和射流在孔底的堆积厚度之间的关系。
Test results show that a certain sensitivity, accuracy and repeatability can be reached in detecting the homogeneous degree of hole diameter of nickel mech by using this principle.
实验结果表明，利用上述原理检测镍网孔径均匀度有一定的灵敏度、精度和重复性。
The result shows that adsorption and desorption performance of Benzene vapour by activated carbon are related to the specific surface, hole volume, hole diameter and distribution of hole.
结果表明：苯蒸汽在活性炭上的吸脱附性能明显与吸附剂的比表面、孔容、孔径与孔径分布直接相关。
The results show that the blast hole diameter has little effect of the vibration level in production blasting, and the other factors should be considered in large scale delay blast design.
结果表明，除炮孔孔径在实际生产爆破中对振动影响不明显外，其它因素在大区微差爆破的设计中都值得注意。
The research shows that anti pressure of the gas is concerned with the permeability of porous medium (the porosity and the hole diameter), the infiltration speed, and the infiltration length.
研究表明气体反压力与多孔介质的透过率(即孔隙率和孔径)、渗流速度、渗流长度有关。
Pre-splitting blasting experiments were carried out to obtain normal pre-splitting blasting parameters such as hole diameter, hole space, gun- powder charge line density, and uncoupling factor.
通过大量的预裂爆破试验，得出了适用于该边坡的炮孔直径、炮孔间距、线装药密度、不耦合系数等一系列常规预裂爆破参数。
The law conversation of energy and the hole diameter formula of jet perforating are employed to deduce the relationship of diameter and velocity of jet for cylindrical hole of perforation concrete.
文中根据能量守恒原理及侵彻孔径公式，推导了获得圆柱形穿孔的射流直径与速度的关系。
It's difficult to sidetrack in the deep well in salt bed, especially the creeping of the gypsum-salt bed, hole diameter reduction and collapsion etc. are the biggest barriers for sidetrack drilling.
在深井盐层中进行侧钻困难较大，膏盐层的蠕动、缩径、垮塌等不稳定性是侧钻的最大障碍。
The parameters which affect the hold off voltage of the one stage pseudo spark switch such as the working gas, the pressure, the gap distance and the hole diameter of the electrodes have been studied.
对影响单级赝火花开关耐受电压的主要因素，如工作气体、气压、极间隙和孔径等进行了系统的研究。
Reduction of the focus hole diameter strongly affects the electrons with large emission angle but its influence on electron focusing is less markedly than the influence of the variations in potential.
减小聚焦极孔径对大发散角的电子有影响，但对聚焦作用的影响不如改变电位明显。
Reduction of the focus hole diameter strongly affects the electrons with large emission angle but its influence on electron focusing is less markedly than the influence of the variations in potential.
减小聚焦极孔径对大发散角的电子有影响，但对聚焦作用的影响不如改变电位明显。
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