To raise the success rate of opening and closing the two-stage cementing tool, Model dsg-a cementing tool is developed.
为提高现有双级注水泥器打开和关闭的成功率，研制了DSG—A型系列双级注水泥器。
“The World Is What It Is” (the severe opening words of “A Bend in the River”) is fully worthy of its subject, with all the dramatic pacing, the insight and the pathos of a first-rate novel.
这本《如此人世间》（The WorldIsWhatIt Is：取自奈保尔小说《河湾》严厉的开场白），完全是典型的奈保尔风格，紧张戏剧性的节奏，一流小说的深刻洞察和感伤悲悯。
The influences of the spiral groove parameters on the opening force, power loss, leakage rate and stiffness of gas film were investigated by the experimental test.
螺旋槽干气密封试验分析了干气密封螺旋槽几何参数对开启力、功耗、泄漏率和气膜刚度的影响，并通过理论计算对试验数据给予了验证。
This opening distance largely depends on your sink-rate at time of deployment: a lower sink-rate usually requires a greater opening distance.
这个距离在很大程度上依赖于抛备份伞时候的下降速度：较低的下沉率会导致较大的打开距离。
Pizza Hut is opening stores on the mainland at a rate of about one a day.
必胜客在中国大陆几乎每天都要新开一家分店。
He is opening new branches at the rate of one a week and hopes to expand retail and private banking.
他正在以一周一家的速度开设新的分支机构并希望扩张零售和私人银行业务。
The system adopts vector control scheme of rate opening loop and magnetic linkage closed loop.
系统采用速度开环、磁链闭环的矢量控制方案。
Anatomic construction, density and relative opening degree of stomata, stoma conductivity, transpiration rate, and photosynthetic rate of pear leaves of both irrigated and dry land were tested.
比较测定了水、旱地梨树的叶片解剖构造、气孔分布密度与相对开张度、气孔传导率、蒸腾速率以及光合速率。
In the same structural model, hydrocarbon migration rate within interim opening fractures is faster than that of permanent ones.
在相同地层结构模型中，间歇性开启断裂中的油气运移速度较永久性开启断裂快；
When operated, the circulation sub allows a higher circulation rate to be established by opening a path to the annulus in the top section of the tool string.
循环接头在工作时在工具管柱的上段打开通向环形空间的通路，于是能够建立较大的循环流量。
The two dimensional fluid Reynolds equations were established using the finite element method. The pressure distribution, opening force and upstream pumping rate of spiral groove were obtained.
用有限元数值计算的方法得出了一定条件下螺旋槽上游泵送机械密封端面间液体的压力分布、开启力及上游泵送量等。
The opening rate droped 26.14 %. The method decreased the opening rate of apple pear effectively.
该法的裂口率比对照下降了26.14%，有效地降低了苹果梨的裂果率。
According to experimental results, Fitting out critical entrainment formula of two opening rate when in different entrainment height.
根据实验结果，拟合出了两种开孔率时不同夹带高度下临界夹带量的计算公式。
The effects of opening flask temperature and cooling rate on low and high temperature age-hardening alloy casting are tested and studied.
试验研究了开箱温度和冷却速度对低、高温时效型合金时效硬化效果的影响。
Potassium dihydrogen phosphate promoted the opening of stomates so as to increase evapotranspiration intensity and relative water loss rate.
磷酸二氢钾有促进气孔开张的作用，使蒸腾强度和相对失水率相应增大。
Whether hypoxic radiotherapy can reduce the rate of the sequela such as the difficulty in opening mouth and radiation induced-encephalopathy is difficult to deduce.
低氧放疗能否降低鼻咽癌患者放射性脑病及严重张口困难等后遗症的发生率，尚难以推断。
The nose exhalation gastric tube indwelling method could wide the opening angle of nasal valve area and efficiently judge the opening to increase the success rate of the indwelling gastric tube.
呼气法能增大鼻瓣区开口角度并有效判断开口位置，提高置管成功率。
When more than one feed opening is required, the flow rate of each feed inlet must be carefully adjusted so as not to exceed the total capacity of the conveyor.
当需要开启一个以上进料口时，必须小心地调节限制每个进料口的流量，以使其总量不要超过输送机的设计能力限。
In addition to opening and closing motor drive more smoothly, without too much momentum the shortcomings of the moment, the failure rate can be greatly reduced.
此外，以马达驱动方式开闭较平顺，无瞬间冲力过大的缺点，故障率可大幅降低。
Based on the correlation analysis and Granger test, the opening rise rate of new share in the first listing day becomes the first factor, we find, which affects the IPO under-pricing level.
利用相关分析和格兰杰检验，首日新股开盘涨幅成为本文发现的第一个影响我国IPO抑价水平的重要因素。
Re-opening of FAVF was achieved in 1 case by local urokinase thrombolysis and in the other 4 cases by reconstruction of the fistula. The secondary patency rate reached 99.1%(111112).
其中1例通过药物溶栓获得再通，4例通过原切口行内瘘重建获得再通，累计次级通畅率为99.1%（111/112）。
Re-opening of FAVF was achieved in 1 case by local urokinase thrombolysis and in the other 4 cases by reconstruction of the fistula. The secondary patency rate reached 99.1%(111112).
其中1例通过药物溶栓获得再通，4例通过原切口行内瘘重建获得再通，累计次级通畅率为99.1%（111/112）。
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