When 20 "casing depth is attained, displace hole volume with high viscosity mud."
钻达20英寸套管深度时,用高粘度泥浆替满井眼。
Secondary end points included various other magnetic resonance imaging (MRI) measures, including gadolinium lesion volume and T2 and T1 black hole volume.
次要终点包括其他各种磁共振成像(MRI)的措施、钆病变的体积、T2和T1黑洞的体积。
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 key to forming a black hole is cramming enough mass or energy into a small enough volume as happens when a massive star collapses.
形成黑洞的关键环节,就是要像脉冲星崩溃时出现的情况一样,把足够大的质量或能量压缩到足够小的体积。
The key to forming a black hole is cramming enough mass or energy into a small enough volume, as happens when a massive star collapses.
黑洞形成的关键是在一个足够小的容积内填充足够多的质量或能量,正如高量星将要爆炸的时刻。
Based on the basic features of dynamic gas emission during boring process, a theoretical model for calculating the dynamic volume of gas emission from bore hole is set up.
基于钻孔过程中瓦斯动态涌出的基本特点,建立了钻孔瓦斯动态涌出量的理论计算模型。
By numerical experiment measure, the relation of volume stress and hole press - coefficient of equivalent hole press is studied.
采用数值试验方法,研究了体积应力以及孔隙压与等效孔隙压系数的关系规律。
No allowance for volume of hole enlargement.
不包括井眼扩大的泥浆体积。
The blank design principle and method for rolling ring with stepped hole is developed based on the volume flow law and the comparison to the ring rolling experiment is done.
基于阶梯孔环件轧制体积流动规律,提出了阶梯孔环件轧制用毛坯设计原理和方法,并进行了轧制实验验证。
Darcy's law indicates that formation pressure of an oil well has some correlativity with wellbore fluid producing volume and bottom hole flowing pressure.
达西定律表明,油井地层压力与井筒产液量和井底流压具有相关性。
The influences of the water level and siphonage on the water volume to replace the cement fluids in grouting hole are analysed.
分析了钻孔水泥浆液灌注过程中孔内水位变化以及管路虹吸现象对替浆量的影响;
The results show that shape of the air cell, properties of the material, volume of the appended gas chamber and diameter of the throttle hole are main factors affecting the dynamics of air springs.
结果表明,空气弹簧气囊外形及材料特性、附加气室容积和节流孔直径是影响空气弹簧性能的主要因素。
Single cylinder core, can be installed into the mould directly, require smoothness at the connection with the cylinder, high requirement of the hole drilling, smaller volume.
单独气缸芯子,直接安装到模具里面,要求与气缸接触处光滑,开孔要求比较高,体积比较小。
By use of deep-hole millisecond blasting technique, four large-volume bridge piers under complicated circumstances were successfully demolished.
用深孔微差爆破技术成功地拆除了复杂环境下的四个大体积桥墩。
The blank design principle and method for rolling ring with stepped hole is developed based on the volume flow law and the comparison to the rin…
基于阶梯孔环件轧制体积流动规律,提出了阶梯孔环件轧制用毛坯设计原理和方法,并进行了轧制实验验证。
The blank design principle and method for rolling ring with stepped hole is developed based on the volume flow law and the comparison to the ring rolling experiment is …
基于阶梯孔环件轧制体积流动规律,提出了阶梯孔环件轧制用毛坯设计原理和方法,并进行了轧制实验验证。
This paper discussed a method of counterbore machining by using though-hole orientation to improve the efficiency of lower exact counterbore volume-produce and reduce the cost of corporation.
利用沉头孔通孔二次定位加工沉头孔盲孔的方法,可提高批量较大、精度要求较低的沉头孔加工效率,节约企业的加工成本。
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。
(V/O)Today y's professional instrument makers succeed in making a set of ten-hole Xun Ocarinas and thus make up for its small volume range.
今天, 虀新一代乐器制作家成功地做出了一套十孔的埙,弥补了古埙音域狭窄的缺点。
There were remarkable variations in the shape, volume, location and number of bourgeon -hole channels and veins on surface of pollen among pollens of TRP.
四倍体刺槐自身花粉粒的形状结构之间表现出丰富的变异:体积与形状多样,萌发孔沟的数量及位置不固定,外壁表面的纹饰特征彼此不同等等;
Based on the basic features of dynamic gas emission during boring process, a theoretical model for calculating the dynamic volume of gas emission from bore hole is set up.
在全面分析钻井机械的组成、钻进过程的特点和人的特性的基础上,建立钻机钻进过程人机系统可靠性模型。
Based on the basic features of dynamic gas emission during boring process, a theoretical model for calculating the dynamic volume of gas emission from bore hole is set up.
在全面分析钻井机械的组成、钻进过程的特点和人的特性的基础上,建立钻机钻进过程人机系统可靠性模型。
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