1) resistant characteristics
阻流特性
2) Obstructing blood flow
阻流
3) spoiler
阻流板
1.
Flow field analysis on subsea pipe span with spoiler;
带阻流板海底管道管跨绕流流场分析
2.
Dealing with the problem of vortex induced vibration (VIV) of submarine pipe span with spoiler and focusing on the asymmetry of its lift coefficient, two new concepts are proposed: lift coefficient amplitude and lift coefficient additional value according to the special structure of spoiler.
然而对于带阻流板的管跨结构,由于其结构的特殊性,导致流场在绕流过程中产生的升力系数具有明显的非对称性。
3.
That is, A finlike spoiler is installed on the upside of pipeline, when the pipeline route is perpendicular to sea water flow, the current will erode soil beneath the pipeline and form trench to certain depth; consequently the pipeline is buried at the depth of 1～1.
在管道的上方安装类似鱼“鳍”的阻流板,当海底管道的路由垂直于海水的流动方向时,利用水流的作用在管道的底部冲刷出一定深度的管沟,从而将管道埋在1～1。
4) absolute open flow
无阻流量
1.
The absolute open flow of natural gas wells is an important index reflecting the potential productivity of gas wells and an important basis to determine the yield of gas wells scientifically and rationally.
天然气井绝对无阻流量是反映气井潜在产能的重要指标,是科学、合理地确定气井产量的重要依据,该指标目前广泛采用一点法产能试井方法来确定,而一点法产能试井资料的解释普遍采用经验方法。
2.
The BP artificial nerve network method is only in want of the primary data of the target gas well when forecasting absolute open flow and much practical testing data of a few gas wells as the samples in the same reservoir.
与现在流行的求取压裂气井无阻流量的方法相比,BP人工神经网络方法具有极大的优越性和适用性,它勿需考虑压裂后气井的复杂渗流规律,也不需数值模拟。
3.
Absolute open flow is a important index of appraising oil/gas well production capacity,and often used in oil/gas well classification、proration and dimensionless parameters in other equations and so on,it denotes oil/gas productions under full openness of well bottom.
无阻流量是评价油气井生产能力的重要指标,也常用于油气井分类、配产和其它公式中参数的无因次化等,它表示井底在完全敞开的情况下油气井的产量。
5) flow-resist rib
阻流筋
1.
Numerical analysis on influence of flow-resist rib structure on extrusion flow;
阻流筋结构对熔体挤出流动影响的数值分析
6) open flow potential
无阻流量
1.
Influence factors of open flow potential in condensate gas well;
凝析气井无阻流量影响因素分析
2.
One of the most important means for effective recovery of gas reservoir during its middle and late development stage is to calculate the open flow potential,investigate the deliverability and thus to adjust working condition of gas wells.
在气藏开发中后期生产管理中适时确定生产井的无阻流量,了解生产井的生产能力,及时调整生产井的工作制度是合理开发气藏的主要手段之一。
3.
For gas well, the open flow potential of exploration well according to the gas open flowback production is estimated firstly.
对于探井依据放喷排液时的产气量,初步估算测试井的无阻流量,若太原、山1、山2、盒1无阻流量估算大于3×104m3/d,盒2、盒3层无阻流量估算大于5×104m3/d,则进行修正等时试井,否则只进行"一点法"试井。
参考词条
补充资料：正温度系数热敏陶瓷阻-温特性曲线
分子式：
CAS号：
性质：描述正温度系数热敏陶瓷电阻率与温度关系的曲线。钛酸钡基PTC热敏陶瓷阻-温特性曲线。电阻率随着温度的升高，先是降低，当达到某一值Tmin时，曲线出现极值，经过极值后电阻率随温度升高而急剧上升，此时对应的温度Tb称为开关温度。电阻率随温度上升达到最大值时所对应的温度为Tm。经过Tm后，阻温特性曲线发生弯曲，电阻率开始逐步降低，此时对应的温度为Tp。温度处于Tb至Tm之间时，热敏陶瓷呈现正温度系数(PTC)特性。其电阻温度系数αT= ，式中Rb，Rp为Tb，Tp温度下的相 应零功率电阻值。αT大于10％/℃，为开关型热敏陶瓷电阻器。αT小于10％/℃，为缓变型热敏陶瓷电阻器。
CAS号：
性质：描述正温度系数热敏陶瓷电阻率与温度关系的曲线。钛酸钡基PTC热敏陶瓷阻-温特性曲线。电阻率随着温度的升高，先是降低，当达到某一值Tmin时，曲线出现极值，经过极值后电阻率随温度升高而急剧上升，此时对应的温度Tb称为开关温度。电阻率随温度上升达到最大值时所对应的温度为Tm。经过Tm后，阻温特性曲线发生弯曲，电阻率开始逐步降低，此时对应的温度为Tp。温度处于Tb至Tm之间时，热敏陶瓷呈现正温度系数(PTC)特性。其电阻温度系数αT= ，式中Rb，Rp为Tb，Tp温度下的相 应零功率电阻值。αT大于10％/℃，为开关型热敏陶瓷电阻器。αT小于10％/℃，为缓变型热敏陶瓷电阻器。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。