Ultra-high pressure jet assisted drilling is an affective approach for improving penetration speed; and influential factors and mechanism of rock breakage are key technologies.
超高压水射流辅助破岩是提高机械钻速的有效途径，水射流破岩效果影响因素及机制研究是其关键之一。
The forest crown interception precipitation, the penetration speed of soil, and the surface runoff of Larix Kaempferi forests in Funiu Mountain in Western Henan Province were measured in this paper.
测定了豫西伏牛山区日本落叶松林的林冠截流降雨、土壤渗透速度和地表径流。
It is not surprising then that high-speed Internet penetration rate is below 1 percent in Africa, compared to close to 30 percent in some high-income countries.
因此，与高收入国家高达30%的高速互联网使用率相比，非洲高速互联网的使用率低于1%就不足为奇了。
In 2010, Huida will focus on the top and brand for protection, on the distribution of channels, Huida will speed up the penetration from first-tier city to, second-tier and third tier regions.
2010年惠达将会从高端发力，用品牌护航并且在渠道的布局上，惠达会加快从一线城市渗透到二线、三线地区的步伐。
With Chicharito in your team he gives you that penetration and speed, that was a loss.
赫尔南德斯可以给球队带来穿透力，他伤了是个损失。
Weld penetration and wire melting speed of AC PMIG welding not only have relationship with welding current but also with electrode negative ratio.
交流脉冲MIG焊其焊缝熔深及焊丝熔化速度不仅与焊接电流有关，而且与负极性比率有关。
Test results indicate that compound process of laser welding can remarkably improve weld penetration and welding speed, therefore low power laser welder can be used for aluminum alloy welding.
试验结果表明，激光焊复合工艺可以显著提高焊缝熔深和焊接速度，从而实现采用小功率激光焊机实现铝合金激光焊接的目的。
Its Topol-M, Yars strategic missile and the Sarmat to be deployed soon boast powerful strike capability, high speed and strong penetration capability.
俄制“白杨”-M、“亚尔斯”战略导弹和即将部署的“萨尔玛特”导弹，不仅打击能力强，飞行速度快，同时都具有极强的突防能力。
The join strength, penetration depth and condition of emerging adiabatic shear instability are discussed with single particle of uniform speed and different angle.
针对单个粒子相同入射速度不同入射角度的碰撞条件，探讨粒子与基体的结合强度、侵彻深度以及绝热剪切失稳的发生条件。
The hollow-axis motor drives the offset nozzle and rotates the arc on the tip of wire at high speed, so as to ensure enough penetration into the sidewalls in narrow gap welding.
在该系统中，焊丝穿过电机的空心轴后从导电嘴的偏心孔送出，电机带动导电杆和偏心导电嘴旋转，从而使焊丝端部的电弧以一定直径高速旋转，以保证窄间隙焊接接头具有足够的侧壁熔深。
Also, it is described the influence of bit pressure and rotate speed on anti-deviation force of the BHA of anti-deviation and fast penetration with pre-bending dynamics.
文中给出了钻压和转速对预弯曲动力学防斜打快钻具组合防斜力的影响规律。
When electrode negative ratio is zero, which is using MIG welding with DC ami welding wire being positive polarity, weld penetration is maximum , wire melting speed and deposition rate are minimum;
当负极性比率等于零即直流且焊丝为正极性的MIG焊时，其焊缝熔深最大，焊丝熔化系数最小，熔敷速度最小；
When electrode negative ratio is zero, which is using MIG welding with DC ami welding wire being positive polarity, weld penetration is maximum , wire melting speed and deposition rate are minimum;
当负极性比率等于零即直流且焊丝为正极性的MIG焊时，其焊缝熔深最大，焊丝熔化系数最小，熔敷速度最小；
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