1)  allowable pressure
许用压力
1.
By means of establishing mathematical model,theory calculation formulas on the allowable pressure of pipeline welding are deduced.
通过建立数学模型推导出了管道焊接许用压力的理论计算公式,并结合实际经验,引入修正因子,计算得出了常用石油、天然气管道带压施焊时的许用压力。
2)  allowed pressure drop
许用压力降
3)  allowable pressure angle
许用压力角
1.
Analytical method for designing the crank-slider mechanism according to allowable pressure angle,cofficient of stroke speed ratio and stroke;
根据许用压力角、行程速比系数和行程设计曲柄滑块机构的解析法
2.
A mathematical model was proposed to analyze the pressure distributions of a straight line moving disk cam mechanism and it was found that the allowable pressure angle was related to the material type, frictional condition, service load and the instantaneous acceleration speed of the driven part.
通过建立力学模型 ,对直动盘状凸轮机构进行了受力分析 ,指出凸轮压力角引用传统方法 ,即单一升程、回程许用压力角 [α1]=30°,[α2 ]=70°～ 80°,不合理。
3.
Aimed at the problem of determining fundamental dimensions of planar cam mechanisms, the analytical formula of calculating fundamental dimensions of mechanisms in accordance with allowable pressure angle are deduced from the combination of the extreme comditions with the expressions of pressure angle.
对于平面凸轮机构基本尺寸的确定问题，本文用机构压力角相对于凸轮转角的极值条件，与机构的压力角表达式相联立，导出了根据许用压力角确定机构基本尺寸的解析算式。
4)  allowed pressure angle
许用压力角
1.
Determination of the basic size of cam mechanism with oscillating follower based on the allowed pressure angle;
按许用压力角确定摆杆盘形凸轮基本尺寸
2.
The result shows that when follower pertains to ordinary and 3 order polynomial motion rule,with the allowed pressure angle being given,the basic circle radius and eccentricity of cam mechanism can be defined,so the presented method is easier in comparison with others.
只要从动件为常用的运动规律以及不超过3次的多项式运动规律,在满足许用压力角的前提下,采用该解析法确定凸轮基圆半径和偏距,比其它解析法简捷方便。
3.
According to the allowed pressure angle, this paper determines the disk cam with translating follower s basic circle radius and eccentricity by using the analytic method.
本文尝试采用解析法,按许用压力角确定直动从动件盘形凸轮机构的基圆半径和偏心距。
5)  optimal permissive pressure angle of cam
凸轮最佳许用压力角
6)  allowables
许用
1.
A high precision and small sample method for calculating composite allowables is given.
提出了一种确定复合材料许用值的高精度小样本方法，该方法可以充分利用以往积累的经验和数据，并结合当前少量的试验就能对复合材料许用值进行预测。
参考词条
补充资料：压力容器用钢板
分子式：
CAS号：

性质：压力容器用钢板是专门生产一般压力容器、使用温度在-20℃以下的低温压力容器和多层式高压容器外壳用的厚板。钢种除3号普通钢外，主要是低合金结构钢，代号中用R(容器)、DR(低温容器)和gC(高压多层)表示。多层式高压容器用钢板只供应6mm一种厚度的，低温压力容器钢板的厚度为6～40mm，一般压力容器钢板的品种在普通厚板(6～60mm)和特厚板(>60～115mm)的范围内。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。