The drill bit is a direct tool for rock breakage. The rate of penetration is closely related with the drill bit as well as the mechanical properties of the rocks.
钻头是直接破碎井底岩石的工具，钻井速度的快慢不仅与钻头有关，而且与所钻岩石的力学性质密切相关。
The rate of penetration of the negative pulse jet assisted drilling can increase from 0.7 to 3.0 in in-house simulation drilling compared to conventional drilling.
与常规钻井相比，室内模拟钻井试验条件下负压脉冲射流辅助钻井可以使钻速提高0.7-3.0倍。
According to figures from the first half of 2010 and published on Internet World Stats the rate of penetration of the Internet on the entire global population does not exceed 29%.
据《互联网世界统计》发布的2010年上半年的数字，能够渗透互联网的全球人口比率不会超过29%。
In the past this has also meant that gauging the size of the market was difficult and the apparent 80% penetration rate given for mobile-phone use is probably too high.
这也意味着要衡量过去的市场规模是困难的，而且帐面上的80%手机持有率也许是被高估了。
JILLIAN YORK: "The Internet penetration rate of those three places is fairly low.
约克：“尼泊尔等3个地方的互联网普及率相当低，而我认为埃及的互联网人群是那3个地区总和的近20倍。
Oostveen says Australia has the highest rate of penetration of server virtualization in the world, New Zealand has the second highest.
奥斯蒂文说，澳大利亚在世界上的服务器虚拟化的渗透率最高，新西兰位居第二。
I've had better cell-phone service in Cambodia than in Connecticut. South Korea, and many other countries, has a higher rate of broadband penetration than the United States.
我在柬埔寨的手机服务比康涅狄格州要好的多，在韩国和其他很多国家都拥有比美国更强大的宽带覆盖率。
As of June 2004, more than five million Bluetooth-enabled devices ship each week, providing a high penetration rate in the consumer electronics market for the technology.
截止 2004 年6 月，每周交付的支持蓝牙的设备超过五百万台，这项技术在消费电子市场上拥有强大的渗透率。
RESULTS The cumulative penetration rate of salicylic acid and benzoic acid was linear related to the time.
结果：水杨酸和苯甲酸的累积透皮吸收百分率与时间呈线性关系。
Especially in the Internet penetration rate of more than 70% of Russia, the impact of this broader range of damage.
特别是在互联网普及率超过70%的俄罗斯，这种破坏的影响范围更广。
During drilling horizontal well, usually adopt geometry steerable drilling technology to increase the penetration rate of borehole track in oil reservoir.
在水平井钻井中，通常采用地质导向钻井技术来提高井眼轨迹在油层中的穿透率。
The initial corrosion time may be decided by structural protection degree and penetration rate of corrosive agents.
而初始时间（或去钝时间）的确定则取决了结构防护程度及有害介质离于的渗透速率。
The experiment shows that by using inverter spot welding, the average intensity of the welded spot is increased while the splash rate and the incomplete penetration rate are descend.
实验结果显示，采用逆变焊机进行焊接，焊点的平均强度有所提高，飞溅率和未焊合率均有大幅度降低。
Objective To study the effect of different solvent systems on in vitro penetration rate of aciclovir gel enhanced by Azone for optimizing the formulation of aciclovir gel.
目的研究阿昔洛韦凝胶中的不同溶剂系统对主药体外透皮速率及对氮酮促渗作用的影响，为优化阿昔洛韦凝胶处方提供实验依据。
Single PVC layer be improved by special technologies and suface treatment can reduce the reflection of the light, which means the rate of light penetration can be increased.
单层PVC经过特殊改性工艺及表面处理工艺加工而成，可大大减少表面光线反射从而极大提高背投幕布的透光率。
It shows that the effects of back pressure on penetration, spray cone Angle, and decline rate of centerline velocity and concentration of the spray are greater than that of fuel injection pressure.
背压对贯穿距离、喷雾锥角、喷雾轴心速度和浓度衰减率的影响均大于启喷压力。
The skin barrier function was estimated by the change of tritium penetration rate as the index.
采用液体闪烁法测定氚的经皮渗透行为，以氚经皮渗透速率的变化作为离体皮肤屏障功能的评价指标。
While drilling in the same formation with the same drilling parameters, the penetration rate of bits of the same degree of wear depends mainly on their cutting structures.
在地层、钻井参数和钻头新度相同的情况下，钻头机械钻速的快慢主要取决于钻头齿面结构是否合理。
The skin penetration rate of CYA can be substantially improved by using appropriate conditions.
在适当条件下，CYA不仅可以透过皮肤而且透过率很大。
Under the condition of constant temperature and constant humidity, the water vapor penetration rate of the separate coatings film is tested by the wet cup method that is simple and practical.
在恒温恒湿条件下，湿杯法检测涂料游离涂膜的透汽性，从而建立了一种简捷实用的水蒸气透过率检测方法。
The paper analyzed the critical failure action and brittle rock with a penetration and reestablishment group theory. The critical failure rate of the rock was obtained.
利用逾渗和重整化群理论初步分析了脆性岩石的临界损伤破坏行为，指示性地得出了岩石的临界破坏概率。
Do spot welding experiments to aluminum alloy plate in the same condition of simulation, prepare low magnification metallographic photos of joint, and measure nugget diameter and penetration rate.
采用与模拟一致的工艺参数对铝合金板材分别进行点焊实验，制取接头低倍金相照片，并测量熔核直径和焊透率。
In this paper, it is described the principle of penetration rate measured by dynamic method, experiment set-up and the measured result, the gas mass spectrometer was taken as indicator.
文中叙述了以气体分析质谱计作指示器，动态法测量渗透率的原理，实验装置与测量结果。
Application of downhole hydrodynamic propulsors solves the problem of exerting WOB, and are helpful to enhancing penetration rate.
井下液力推进器的应用在一定程度上解决了钻压的施加问题，有利于提高钻进速度。
Mechanical rock breaking is the main function of modern rotary drilling. The purpose of jet aided mechanical rock breaking is to improve the penetration rate.
现代旋转钻井破碎岩石是以机械破岩为主导方式，射流辅助机械破岩的目的是提高机械钻速。
Electron microscope scanning of the drug coating film of before and after drug release indicates that adding hydrophilic shaping agent could improve the penetration rate of the coating film.
对释药前后的包衣膜进行电镜扫描，结果表明包衣膜中加入亲水性增塑剂可改善包衣膜的通透性。
Drilling cuttings dispersion is controlled and the penetration rate is improved because of the better performance of the solid control equipment.
能抑制钻屑分散，有利于发挥固控设备效率和提高钻井速度；
The bit pressure of the BHA can increase more than 50% and the penetration rate can increase 120% comparing with the adjacent Wells using conventional pendulum drilling assembly.
与邻井常规钟摆钻具组合相比，这种钻具组合的钻压提高50%以上，机械钻速则提高120%。
The bit pressure of the BHA can increase more than 50% and the penetration rate can increase 120% comparing with the adjacent Wells using conventional pendulum drilling assembly.
与邻井常规钟摆钻具组合相比，这种钻具组合的钻压提高50%以上，机械钻速则提高120%。
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