1) capillary hole
层流小孔
1.
Multi-level capillary holes are designed to replace a single long capillary hole which is difficult to implement and unsuitable for an adjustable measurement range.
针对单一细长毛细孔在加工、量程不可调等方面存在的问题,提出了串联多级层流小孔的设计思想,利用有限元方法对串联毛细孔进行了流场特性分析。
2) small hole shooting flow
小孔射流
1.
Through dynamic analysis of small hole shooting flow, the distributing diagram of velocity of shooting fluid and the mathematical model of the pressure loss in mixer are derived.
通过对小孔射流的动力学分析 ,得出了射流速度分布图并推导出混合器压力损失的数学模型。
3) orifice conductance
小孔流导
1.
The relative combined standard uncertainty of the orifice conductance is given by evaluation.
通过对一小孔流导实际测量和不确定度评定,得出升压法测量流导的合成标准不确定度为2。
4) Orifice compensation
小孔节流
1.
Design of configuration parameters of externally pressurized spherical gas bearings with orifice compensation;
小孔节流静压气体球轴承的结构参数设计
5) orifice compensated
小孔节流
1.
Through the direct resolution of the Reynolds equations and the dynamics mathematical model of spindle system for the externally pressurized gas journal bearing with orifice compensated performance,the dynamics characteristic of bearing system was analyzed,the vibration response of spindle system produced by imbalance mass was studied.
通过对小孔节流静压气体轴颈轴承的雷诺方程与描述主轴系统的动力学数学模型联立直接进行数值求解,分析了轴承系统的动力学特性,研究了在不平衡质量作用下轴承主轴系统的响应。
2.
Through the analysis of lubricating equation of externally pressurized gas journal bearing with orifice compensated,the two step partially differential equation was lowered to single step with optimization of variation functional.
通过对小孔节流静压气体轴颈轴承润滑方程的分析,利用泛函求极值法将二阶偏微分方程降为一阶,采用有限元方法,利用三角单元线性插值函数,简化压力分布方程式的计算,对轴承的参数进行了优化,得到了轴承上各点的压力分布和轴承的承载能力和支承刚度,并分析了轴承间隙和偏心率等因素对承载能力和刚度的影响。
6) orifice restriction
小孔节流
1.
The static characteristic and the design method of the positioning table which supported by aerostatic guide using orifice restriction are studied intensively.
深入研究了以小孔节流静压气浮导轨支承高速精密定位平台的静态特性和设计方法。
补充资料：第二孔(继发孔)型缺损
第二孔(继发孔)型缺损
ostium secondary defect
是心房间隔在形成上发生障碍，一般缺损较大，多在卵圆孔附近称第二孔(继发孔)型缺损。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条