The research on calculating formula of coefficient of frictional resistance of bolting and shotcreting roadways 锚喷巷道通风阻力系数的计算式研究
Numerical simulation method on drag characteristic of air amp; amp; flue gas ducts ' irregular parts in power plants 电厂烟风道异型件阻力系数的数值计算方法
Load and resistance factor design specification for safety - related steel structures for nuclear facilities 核设施用有关安全的钢结构的负载和阻力系数设计规范
2 it is clarified that check valve shall be butterfly and slow - closure type . it ' s resistance coefficient 0 . 145 止回阀为蝶型缓冲止回阀,其阻力系数0 . 145 。
Structure sizes of superheater tubes and inside resistance coefficients as well as imbalance thermal loads will result in thermal deviation 过热器管子结构尺寸、内部阻力系数及热负荷不均匀，将会产生热偏差。
Standard specification for computing reference resistance of wood - based materials and structural connections for load and resistance factor design 载荷和阻力系数设计用木基材料和结构连接件的标准阻力计算的标准规范
The experiments of the cable and towed - body are carried respectively to get the resistance coefficients and the dynamic coefficients 本论文对拖缆和水下拖体分别进行了水动力试验，得到了它们的阻力系数和水动力导数。
The analysis of changing transitional corner between the front and top of the model illustrate that air drag coefficient can be reduced 23 . 30 % 前围与车顶的过渡由较小圆角变为较大圆角的试验分析表明，空气阻力系数可以降低23 . 30 。
( 3 ) hydraulic resistance coefficient formulas are derived according to a great number of flume experiments and relative theory analysis ( 3 )通过系列水槽试验和相关理论分析，提出了十字片梅花加糙的有效水深和水力阻力系数计算公式。
Increasing original resistan coefficient of the secondary air duct can improve the adjusting performance of air damper , and inhibit pulsation of the flow rate 增加二次风道的原始阻力系数，可以使风门的调节特性得到改善并抑制流量脉动。
