1) allowable slenderness ratio of timber compression member
受压木构件容许长细比
2) allowable slenderness ratio of steel member
钢构件容许长细比
3) allowable value of deflection of timber bending member
受弯木构件挠度容许值
4) allowable specific pressure
容许比压
1.
Physics and mechanics performance of paste-like backfill material in coal mine such as strength,allowable specific pressure and compressive rate was researched by experiment.
通过实验研究了煤矿似膏体充填体的强度、容许比压、压缩率等物理力学性能。
2.
Based on the analysis of distribution of pressure applied by hydraulic support base on seam floor, a method to test the allowable specific pressure of high water content material was suggested.
在分析回采工作面支架底座作用在底板岩层上压力分布特征的基础上 ,选择正方体试件用钢质小圆柱加压实验的方法测定高水速凝材料容许比压 。
5) compression member
受压构件
1.
Non-linear analysis of fire resistance of RC compression members;
钢筋混凝土受压构件防火性能的非线性分析
2.
Based on the plane section assumption and the formulas of compression members with small eccentricity,the interaction diagram of ξ and the linear interpolation formula of ξ according to the calculation of rectangular section capacity with symmetrical reinforcement are presented.
根据平截面假定和小偏心受压构件的基本公式,提出了两种钢筋混凝土矩形截面小偏心受压构件对称配筋的简化计算方法,并应用两个相关实例进行验证,具有良好的效果,为今后设计计算改进和提高提供了依据。
6) compressed member
受压构件
1.
The computing formula about the lateral deflection f and its corresponding coefficient η to the arbitrary cross-sections of the compressed member under different ending moments and constraint conditions are obtained.
针对现行规范中受压构件偏心距增大系数η的计算公式在应用方面存在的某些不足,采用有限元迭代法并考虑二阶弯矩的影响,得出在不同端弯矩和约束条件下偏心受压构件任意截面处侧向挠度f与相应的η计算公式。
补充资料:比浓渗透压
分子式:
CAS号:
性质: 溶液渗透压(π)与溶液浓度(c)的比值。渗透压是溶液依数性的一种,渗透压法可用于测定分子量2万以上聚合物的数均分子量及研究聚合物溶液中分子间相互作用情况。理想溶液的比浓渗透压可根据范特霍夫定律表示为。式中M是溶质的分子质量。对于非理想溶液:>。从实验结果可知,比浓渗透压π/c随c而变化,当,式中是聚合物的数均分子量;是无限稀释时,比浓渗透压服从范特霍夫定律,可当作理想溶液处理。
CAS号:
性质: 溶液渗透压(π)与溶液浓度(c)的比值。渗透压是溶液依数性的一种,渗透压法可用于测定分子量2万以上聚合物的数均分子量及研究聚合物溶液中分子间相互作用情况。理想溶液的比浓渗透压可根据范特霍夫定律表示为。式中M是溶质的分子质量。对于非理想溶液:>。从实验结果可知,比浓渗透压π/c随c而变化,当,式中是聚合物的数均分子量;是无限稀释时,比浓渗透压服从范特霍夫定律,可当作理想溶液处理。
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