The parcels were cultured and the weight of parcels, the temperature, humidity and amount of bacteria in the air of the room were observed in different weeks.
结果尽管在不同时间实验包的重量、室温度、湿度和空气中细菌含量不同，但所有的实验包在2 4周内培养均无细菌生长。
The effects of different jet mode and air amount on propeller's hydrodynamics and radial noise are also studied by model tests.
并以模型试验的方法研究了不同充气方式和充气量对螺旋桨水动力和辐射噪声的影响。
The engineering thermal calculation, the calculations of different operating conditions, of the resistance of water flow and vapor flow, and of the air leak amount were made.
完成了不锈钢螺纹管凝汽器的工程热力计算、变工况核算、冷却水流动阻力、蒸汽流动阻力和漏气量计算。
The engineering thermal calculation, the calculations of different operating conditions, of the resistance of water flow and vapor flow, and of the air leak amount were made.
完成了不锈钢螺纹管凝汽器的工程热力计算、变工况核算、冷却水流动阻力、蒸汽流动阻力和漏气量计算。
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