Adding suitable microbial fermented feed in bait in tilapia breeding could promote the growth, enhance the survival rate, decrease the feed coefficient and increase the economic benefits.
其饲养经济效益均有提高，且以添加15%复合微生物发酵饲料所产生的单位利润最高。
Closed form kinematic equations of main feed mechanism are established, one and two order effect coefficient matrixs are derived.
建立了主进给机构的封闭形式的运动学方程，导出了一、二阶运动影响系数矩阵。
The inverter system adopts digital fuzzy controller with feed forward correction and which proportion coefficient and integral coefficient is changeable, so dynamic response is improved.
逆变系统采用带前馈校正的变比例变积分系数的模糊控制器，提高了系统的动态响应指标；
The emulsifier content and feed rate affect latex swelling and shell polymerization by the making a change of latex number and total reaction rate coefficient respectively.
乳化剂量和加料速率分别通过影响胶粒数和总体反应速率系数而对胶粒溶胀和壳层聚合反应产生影响。
The simulation results indicate that the effect of solution feed flow and heat flux has a high influence on heat and mass transfer coefficient of falling film evaporation.
模拟结果表明，进口流量和热负荷对降膜蒸发传热传质系数的影响较为显著。
The seepage velocity and penetrability coefficient appeared changing of the"Z"shape with the increase of the effective axial feed when the confining pressure and gas pressure were constants.
在恒定围压和瓦斯压力的情况下，软分层煤样的瓦斯渗流速度和渗透系数均随着有效轴向压力的增大而呈“Z”形变化；
The mass transfer coefficient is directly proportional to the cube root of feed velocity.
传质系数与废水流速的立方根成正比；
The mass transfer coefficient is directly proportional to the cube root of feed velocity.
传质系数与废水流速的立方根成正比；
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