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- decreasing pressure curve 减压曲线
- As both adsorption (with increasing pressure) and desorption (with decreasing pressure) points lie on the common curve, the adsorption of nitrogen appears completely reversible at 450 c. 因为吸附(压力增加)和解吸附(压力减少)的点都在同一条曲线上,所以氮气在450℃的吸附显得是完全可逆的。
- Stage filling mechanism of lenticular sand body has been studied by using capillary pressure curve. 毛管压力曲线是用来评价储层孔隙结构和储层原始含油饱和度的最有效的方法。
- The hydraulic fractures crossing the salutatory barrier need a lot of energy accumulation, which can lead to a notable fluctuation of pressure curve. 水力裂缝穿过突变体需要比较大的能量积累,泵压会有显著波动。
- Based on the capil lary pressure curve and the fractal geometry, the fractal capillary pressure and the relative permeability model are set up. 在压汞测试的基础上 ,利用分形几何学原理和方法 ,建立了毛管压力曲线分形模型和相对渗透率的分形预测模型。
- About energy economization, mainly introduced how new technologies and methods are used in utilizing of hydraulic head, decreasing pressure and quantity, setting of fire-fighting system, water pump, supplying of hot water etc. 关于节能,主要介绍了在给水管网水头的利用方面,减压节流问题方面,生活与消防系统设置方面,水泵方面,开水供应方面的节能新方法、新技术。
- We quantified the decline in mean arterial pressure by calculating an area above the mean arterial blood pressure curve. 我们通过计算平均动脉压曲线上部一部分的区域的面积来定量平均动脉压的下降。
- Results: Kelangning group was more effective on decreasing pressure gradient of the left ventricular outflow tract (LVOT) and the E/A ratio than routine treatment group (P<0.05, <0.01 respectively). 结果:治疗组在改善左心室流出道压力阶差、E/A比值方面较显著优于对照组(P分别<0.;05,<0
- High temperature and low-pressure metamorphism can occur during the rifting stage and reflects a temporal trend of increasing temperature and decreasing pressure during the continental breakup. 变质作用中高温低压环境主要发生在裂谷作用阶段,其特点反映了大陆解体过程中随着时间的增温和减压过程,而拆离伸展阶段则被脆性变形所代替。
- As a result, the composition of the melt within such channels can no longer adjust to decreasing pressure and instead records the depth at which it last “saw” an orthopyroxene crystal. 最后,通道内的熔体便不会因为通道压力下降而调整其组成成份,反倒记录了最后遇到直辉石的深度。
- The wettability index of rock surfaces under a given condition, WR, was determined quantitatively from the pseudo capillary pressure curve measured in the process of imbibition. 由自吸过程中所测得的拟毛管压力曲线,可定量确定岩石表面在某一特定条件下的润湿指数(WR)。
- In view of the brittleness of the surrounding rocks of underground roadways, it is best that the contour of roadways takes the shape of a pressure curve. 正>目前煤炭工业中地下巷道维护所用的支护形式,不外被动支护(围岩破坏后作用于支架,如砌(石旋);
- Performances of different packing materials were compared through the product of the slope of HETP(height equivalent to a theoretical plate) curve and pressure curve. 填料粒径主要从柱效和压力两方面影响着制备色谱的应用。
- The reliability of the result is proved by the data of geologic characteristics capillary pressure curve, relative permeability curve and well production. 并根据该气田地质特征及毛管压力曲线、相渗透率曲线、试采等资料,研究证明了结论的可靠性。
- drainage and decreasing pressure 疏水降压
- In the wave trough of the pressure curve, the pressure may be then if the rocket is accelerating or if it has assembling defects, the early explosion of the grenade on the ballistic may be caused. 该模型的微分方程计算结果表明微小弹簧在弹道上的振动过程会使导电杆的受压产生周期性变化,尤其是在一些波谷处,导电杆几乎不受压力,此时如果有火箭加速和其它装配缺陷等因素的影响,就会引起弹丸在弹道上的早炸。
- By comparison, it is proposed that the active filter is one effective method of the decrease pressure pulsation. 通过对比,提出主动滤波是降低液压系统压力脉动的一种行之有效的方法。
- Through capillary pressure curve study of sand stone reservoir in beisheng area,tuha oilfield,a new approach to establish reservoir pore and throat volume distribution is put forward. 通过对吐哈油田胜北地区砂岩储层岩石毛管压力曲线研究,提出了建立储层孔喉体积分布预测模型的新途径。
- Coroilis force increases pressure loss in the ribbed passage while centrifugal buoyancy force decreases pressure loss. 对于带肋通道,总体上阻力系数随着旋转速度的增加而升高。
- This paper addresses the use and characteristic of capillary pressure curve, and discusses the relationship between stage filling mechanism of lenticular sand body and pore throat structure. 从毛管压力曲线用途及曲线方法本身特点出发,对透镜状砂岩体阶段式充注机理以及与孔喉结构的关系进行详细探讨。
