METHODS: 1, Comparing the efficiency of packing material can found in market. The factors are: tensile strength, density, thickness, oxygen transmissivity, and price.
方法：1、比较市面上多种包装材料的抗张强度，密度，厚度，氧气透过率，价格等各种性能，计算各种材料在进行真空包装时，包装每千克大米的成本价格。
参考来源 - 部队大米保鲜防霉变的研究Transmission of stress wave through the mechanical impact system is studied with the aim to provide an approach to synthesize all parts with the same wave transmissivity as a given part.
研究了应力波在冲击机械系统中的传播规律，提出了给定部件等透射率的部件综合方法。
参考来源 - 等透射率冲击部件的动态反演综合 NVERSE SYNTHESIS OF IMPACT PARTS WITH THE SAME WAVE TRANSMISSIVITY AS A GIVEN PARTThe influence of the loss of LC on the peak transmissivity and bandwidth (FWHM) of the device is emphatically analyzed based on F-P interferometer,so that different kinds of filters can be designd.
文章以F- P干涉仪为基础,分析了液晶损耗对这类滤波器的半强度带宽(FWHM) 和峰值透过率的影响,以利于不同要求的滤波器的设计制作。
参考来源 - 液晶损耗对可调谐液晶光学滤波器性能的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
N a measure of the ability of a material to transmit radiation, equal to the internal transmittance of the material under conditions in which the path of the radiation has unit length 透射率 [physics]
应用推荐