In this paper, the experiment was designed to study tool with single coating layer and several coating layers.

通过多次实验，将单涂层与复合涂层硬质合金的刀具寿命作了比较。

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The results indicated that the compound coating agents are better than the single coating agents for the shelf life of ber.

以瓜尔豆胶、卡拉胶、分子蒸馏单甘酯、乙醇、水、杀菌剂和防腐剂配制的涂膜保鲜剂，处理毛叶枣果实可延长其货架寿命。

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The invention cause two styles of synthesis dyeing and printing of textile can be completed on single coating equipment, the process is simple, and no waste water is discharged.

本发明使织物综合染色、印花两种风格只需在一种涂层设备上即可 完成，工艺简单，无污水排放。

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"The anti-reflective coating requires multi-layer coatings which are slightly more complex than the typical single-layer ones, " Lin told CNN.

CNN: New nano coating boosts solar efficiency