Accurate calculation of cyclic pressure dissipation is the basis of programming of bit hydraulics optimization.
循环压耗的准确计算是钻头水力参数优化程序设计的基础。
Objective To study the effect of the cyclic pressure on the constructing of tissue engineering cartilage in vitro.
目的探讨循环应力对体外构建组织工程软骨的影响。
Objective To explore the effect of the cyclic pressure on the constructing of tissue engineering cartilage in vitro and its mechanisms.
目的探讨周期性压力对组织工程软骨的影响及其作用机制。
Therefore, a downhole tool that can reduce the annular cyclic pressure loss and introduced its structure, principle of work and technical parameters were put forward.
提出了一种减小钻井泥浆环空循环压耗的井下工具,介绍了该工具的结构、工作原理、技术参数。
Cyclic water injection increases swept volume through oil-water percolation effect and capillary pressure effect to improve water drive recovery factor.
周期注水技术主要是通过油水交渗效应、毛管压力作用,增加注水波及体积,从而提高水驱采收率的技术。
A numerical simulation technology of fatigue life prediction of pressure vessel based on cyclic J - integral is developed.
开发了一种基于循环J积分的压力容器疲劳寿命预测的数值模拟技术。
AIM: To investigate the alterations of cardiac mechanics and cyclic nucleotide in rats after pressure overload.
目的:探讨大鼠压力超负荷后心肌力学及环核苷酸的变化规律。
The sensitivity analysis indicates that the parameters impacting the production results from high to low are production time, steam dryness, cyclic steam injection volume, steam injection pressure.
敏感性分析表明,蒸汽参数对开发效果影响的顺序从大到小依次为生产时间、注汽干度、周期注汽量、注汽压力、焖井时间和注汽速度;
It is shown that the new model can preferably depict the deformation, pore pressure variation and modulus damage of the saturated soft clay subjected to the cyclic loading.
结果表明,提出的模型能较好地描述饱和软黏土在循环荷载作用下的变形、孔压变化及模量损伤过程。
The study shows that cyclic steam injection rate, soaking time, flowing bottom hole pressure and blowdown mode are important factors influencing the effectiveness of single well steam stimulation.
分析认为,周期注气量、注气速度、浸泡时间和生产过程中的井底流压及降压方式都是影响单井吞吐效果的重要因素。
The effects of integrated and separated intake ports on cyclic variation of combustion pressure in a four-valve gasoline engine were analyzed with a CB-466 combustion analyzer on the engine test-bed.
在发动机试验台上,利用CB-466燃烧分析仪研究了整体式和分体式进气道对四气门汽油机燃烧压力循环变动的影响。
On the basis of considering the factors influencing the cyclic characteristics, a pore pressure increase model suitable to the saturated soft clay of Shanghai has been established.
在考虑影响循环特性因素的基础上,建立了一种适合上海地区饱和软粘土孔隙水压力的增长模型。
The result shows that cyclic water injection may be more effective if increasing oil-water percolation rate, standup pressure time and water holdup coefficient.
周期注水技术主要是通过油水交渗效应、毛管压力作用,增加注水波及体积,从而提高水驱采收率的技术。
The cyclic variation of the combustion pressure in the cylinder of a four-valve gasoline engine was analyzed at low speed and light load with the CB-466 combustion analyzer on the engine test-bed.
在发动机试验台上,用CB-466燃烧分析仪对四气门汽油机低速低负荷燃烧压力循环变动进行了试验研究。
Cyclic pulse injection may cause the transient pressure regime in the reservoir and remaining pressure in a thin aquifer.
周期性脉冲式注水可以在地层中造成不稳定压力状态,在薄含水层中造成剩余压力。
Different from cyclic loading acted on onshore foundation, the wave pressure plays double roles as: the surface loading imposed on the mudline and the boundary condition of excess pore pressure.
与常规陆上荷载不同,波压力不仅是外加的循环表面力,而且是海床表面的超静孔隙水压力边界条件。
With the increase of cyclic stress ratio, the pore water pressure rate increases.
随着循环应力比的增加,孔压率增加。
Yaha field is the largest integrated condensate gas field developed by the cyclic gas injection with high pressure.
牙哈凝析气田是目前全国最大的采用高压循环注气开发的整装凝析气田。
There is critical cyclic stress ratio of soft clay under cyclic loading. The value of critical cyclic stress ratio can also be obtained by pore water pressure curves.
循环荷载作用下饱和软黏土存在临界循环应力比,通过孔压也可以确定其值大小。
The feature of normal pressure intermittent cyclic catalytic reforming gas-making system, problems occurred in the commissioning and handling method were described in this paper.
介绍了常压间歇式循环催化改质制气装置的工艺特点、投产过程中出现的问题及处理方法。
Furthermore, the critical cyclic stress ratio is determined according to the time history curves of pore water pressure under different cyclic stress ratios.
此外由不同循环应力比下孔压时程曲线确定出临界循环应力比。
The pressure distribution along the vertical direction is asymmetrical and cyclic stress acting on blades is found.
由于重力作用在竖直于机组轴线方向上的压力分布不均匀,叶片上作用有交变应力。
The influence of alkali pretreatment under ultrasonic on surface cyclic trimer content of superfine polyester fiber using high temperature high pressure dyeing process has been studied.
研究了超声波作用下碱预处理对聚酯超细纤维高温高压染色后表面环状三聚物含量的影响。
The influence of alkali pretreatment under ultrasonic on surface cyclic trimer content of superfine polyester fiber using high temperature high pressure dyeing process has been studied.
研究了超声波作用下碱预处理对聚酯超细纤维高温高压染色后表面环状三聚物含量的影响。
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