【摘 要】
:
1 套袋的选择 一般选用纸袋,目前国内生产的纸袋种类较多,价格也低,几分钱一个。要根据不同的水果品种选择不同大小规格的纸袋。日本小林公司生产的纸袋质量虽好,但成本高,原先
论文部分内容阅读
1 套袋的选择 一般选用纸袋,目前国内生产的纸袋种类较多,价格也低,几分钱一个。要根据不同的水果品种选择不同大小规格的纸袋。日本小林公司生产的纸袋质量虽好,但成本高,原先 5角钱一个,现 3角钱一个。也可用塑料袋套果,成本低、内在品质也有所提高,但着色效果较差
1 bag selection generally use paper bags, the current domestic production of more types of paper bags, the price is low, a few cents. According to different varieties of fruit to choose different sizes of paper bags. Japan’s Kobayashi paper bag production quality is good, but the cost is high, the original 5 cents a, is a 3 cents. Plastic bags can also be used, the cost is low, the intrinsic quality has also been improved, but the coloring effect is poor
其他文献
As a renewable energy, development and utilization of ethanol are becoming a new focus by researchers followed the solar energy, wind energy and terrestrial
It has been presented that a model of 1D in space and 3D in velocity self-consistent Particle in Cell with Monte Carlo collision technique was employed to s
The effects of dielectric barrier discharge (DBD) using Ar and Ar/acrylic acid on the PTFE film surface modification are studied.The surface properties are
Neutral beam injection (NBI) is an important and effective tool for heating and driving plasma of Tokamaks.In order to simplify control operations of the NB
In this paper, we present the result of large-volume plasma generated in a three-electrode discharge system.The system consists of micro-discharge electrode