Generally speaking, the higher the original blood pressure, the more pronounced the reduction effected. 一般说来,原来的血压越高,降压的效果越好。
Genesis of original abnormal high pressure in east transitional zone of Xingnan area and its effect on cementing quality; 高压、高含硫、高危“三高”气井影响固井质量的因素复杂,采用常规测井技术很难对其固井质量进行精确评价。
Combining the principal coordinates from the covariance analysis of the original pressure field and the new proper mode values above, the wind pressure time series on the location were acquired where the pressure taps are not distributed. 结构由原风压场协方差分析得到的主坐标和上述新本征模态值获得未布置测压点位置的风压时间序列。
Test results show that, owing to the arching effect of sandy soil during tunnel excavation, the sandy soil above the tunnel arch crown merely produces certain displacement without collapse while the critical support pressure is much smaller than the original overburden pressure; 结果表明,在砂土中开挖隧洞,由于砂土的拱效应,隧洞拱冠以上砂土在远小于原位上覆土压力的支护压力下仅发生一定的位移而不致塌落;
Oil& gas have been produced for years so that reservoir pressure is much lower than original formation pressure, and reservoir is easily damaged by invasion of various fluids. 川西南地区各油气田气层压力现已大大低于原始地层压力,极易受到勘探过程中各种流体的损害。
It is easy to obtain parameters of permeability and original pressure of deep brine aquifer by using the pressure recovery curve of a production well after it is shut up. 利用卤水生产井关井后的压力恢复曲线,可以很容易求得深层含卤层的渗流参数和原始地层压力。
The respects include the following: conversion original pressure of the formation is almost constant everywhere; 该方法考虑的6个方面为:地层各处原始折算压力近似相等;
Wells of who the formation pressure is still above 80% of the original pressure. 地层压力保持在原始压力的80%以上。
The research of appropriate original supporting pressure of powered support Appoaches for increasing setting pressures of hydraulic props 液压支架合理初撑力的确定提高液压支架初撑力的途径
The application of vaccum filter made in China to refining unit in PTA plant, the production conditions after modifying the original normal pressure centrifuge were introduced. 介绍了该厂PTA装置精制单元应用国产真空过滤机,改造原有的常压离心机后的生产状况。
The paper related the mimic pressure control system with or without closed circuit, made the comparisons with the original pressure control method, under the mimic status, it has the minor wave range of pressure and the advantages of safety and stability. 文中对有、无闭环压力控制系统进行了仿真,提出与原有压力控制方式相比,在仿真状态下,具有压力波动范围小、安全稳定性高等优点。
This article studies how to utilize the original pressure power throttling-decreasing temperature to realize low temperature dewater at gas gathering stations. 本文研究如何利用天然气原始压力能,进行节流降温,实现集气站低温脱水,对该工艺在中部气田的实施具有一定的指导作用。
Based on the original medium pressure hydrofining plant process flow, the hydrofining/ hydrodefreezing combined process is developed with the collaborating of Fushun Petrochemical Research Institute. 哈尔滨石化分公司利用原中压加氢改质装置的工艺流程,与抚顺石化研究院合作开发了加氢精制/临氢降凝组合工艺。
It takes point& test way to interpretate original formation pressure, permeability and pore fluid properties. 它用点测的方式,对储集层的原始地层压力、渗透率以及孔隙中的流体性质作出解释。
Conclusion The deformable medium reservoir should be developed by a reasonable presser, as possible as keeping original formation pressure. 结论变形介质油藏的开发应尽可能在原始地层压力下开采,在合理生产压差下开发。
In the sending process, if there were only the original pressure instead of adding pressure equipment, the transportation needs wouldn't be meted. 天然气主要的输送方式是管道输送,在输送过程中,如果没有增压设备,只靠初始压力是远不足以满足输送要求的。
While the formation pressure is smaller than the original critical pressure casing damage can be induced when there exists pressure differential action. 当地层压力大于原始临界压力时,没有压差作用也会发生套损;当地层压力小于原始临界压力时,则必有压差作用才会诱发套损。
This paper analyzes the cause of the formation of original abnormal high pressure and proposes an effective method to ensure cementing quality. 分析了原始异常高压层形成的原因,制定了保证固井质量的有效措施。
This paper uses the reformative Kalman filter to deal with the original pressure data sampling from oil conveying pipeline in real time to eliminate the noise interference and to improve the signal noise ratio. 应用改进的Kalman滤波器对采得的输油管道原始压力数据进行实时性滤波,以消除噪声干扰、提高信噪比;
In experiments, our results showed that the main factors affect the stretching rate are original pressure and radius of the bubbles. 研究结果表明,气泡内初始压力和气泡初始半径是影响气泡表面拉伸速率的主要因素;
At the same time, oil shows the non-Newtonian fluid characteristics and there exists an original pressure gradient. 原油在多孔介质内渗流时,渗透率越低,原油视粘度越高,并且表现出非牛顿流体特性及存在着初始压力梯度。
According to a research thought of other authors, it is assumed that the pressures at an original oil-water contact are equal to original formation pressure and drainage boundary pressure respectively, and a model that incorporate radial flow and spherical flow is used to predict bottom-water coning. 借鉴前人研究思路,分别假设原始油水界面处的压力为原始地层压力和供给边界压力,采用径向流和半球面流相结合的模型预测底水锥进。
Analyze the major infiltrating fluid direction for guidance oil gas next step developing. ( 4) By way of the different technology means, studies the pressure system of oil reservoir, and gain comparatively reasonable and accurate original stratum pressure. 分析该油藏的主要渗流方向,指导油气藏下一步开发和部署。(4)通过不同技术手段,研究油藏的压力系统,获得较为合理而准确的原始地层压力。
In the dissertation, coalbed methane wells 'productivity is affected by hydrogeology parameters like water reserve of coal seam, original water pressure or mine roof and base lithology. 论文还认为煤层的贮水性、原始水头和顶底板岩性等水文地质参数影响到煤层气井的产能。
Meanwhile, tested the protective layer get original coal gas pressure K4 for 3.1 Mp. 同时,经测试获得被保护层K4煤层的原始瓦斯压力为3.1Mp。
Limited by the volume of sampling vessel, currently sampler can only get fewer samples with single sampling and can not maintain the original pressure. 现有的深海浮游微生物取样器受取样筒容积的限制,单次取样只能获得较少数量的微生物样本,同时不能保持样本的原位压力。
Results show that: When airway resistance, original gas pressure and permeability coefficient is not the same, the maximum value and appear time of gas flow quantity is different. 结果表明:煤层瓦斯压力、透气性系数和导管阻力不同时,测定的钻孔瓦斯流量最大值出现的时间、大小不同。
By comparison, we found fitting algorithm could reflect original pipe network pressure situation and the entire pipe network running status very well. 通过与实例管网实际运行情况对比,发现通过该方法简化的管网可以很好地反映原管网的压力分布情况和整个管网的运行状态。