This layer is part of the barrier to evaporation, and its absence means our lip skin retains less fluid.
第一，我们身体其他部位的肌肤有一层“保护层”，这是嘴唇所没有的。 “保护层”能有效保湿，嘴唇因为没有而不易保湿。
The attenuation of temperature wave in humid sand layer on an evaporation cooling roof differs from that in dry sand layer in essence.
有含湿砂层存在的被动蒸发冷却层屋面的温度波衰减，在本质上不同于干燥状态情况。
The outer lipid layer is an oily film that seals the tear film on the eye and helps to prevent evaporation.
外面的脂质层是一层油性膜，它将泪液膜封在眼球上，帮助阻止蒸发。
The research supplies a new method for quantitative study of steady phreatic evaporation of sand-layer soil.
该实验为定量研究夹砂层状土壤潜水蒸发提供了新思路。
The thermal evaporation process can also coat a very thick, 1mm, layer of heat-resistant materials, such as MCrAIY—a metal, chromium, aluminum, and yttrium alloys, on jet engine parts.
热蒸发工艺也能在喷气发动机零件上覆盖很厚（1mm）的耐热材料涂层，例如MCrAIY—一种金属、铬、铝和钇合金。
The data of daily-variety indicates the lowering of intension of plant transpiration is later than evaporation of soil surface, because transpiration can consume the deeper layer water.
从日变化数据来看，植物蒸腾由于能消耗更深层次的水分，其强度的减弱要迟于土壤蒸发。
Because of the moisture evaporation and the varied temperature, the pavement and its semi-rigid base layer are easy to crack in the course of construction and use.
路面及半刚性基层在修建和使用过程中，由于水份蒸发以及温度的变化，容易产生裂纹。
The surface water deficit index is extracted based on the dual-layer evapotranspiration model, including soil water evaporation and vegetation transpiration.
地表缺水指数是通过基于亚像元的双层蒸散模型提取的，它既考虑了土壤的水分蒸发，又考虑了植被的蒸腾。
Cool air circulation is formed on the outer surface of the storage tank insulating layer, thereby reducing the evaporation rate of liquefied natural gas.
本发明在储罐保温层的外表面形成冷空气的循环，能够减小液化天然气的蒸发率。
Under the action of wind, forced convection of air above ground and water evaporation of top soil layer will be greatly enhanced.
在风的作用下，地表上部空气的强制对流和表土层中的水分蒸发大大增强，对冻土层的热状况产生重要的影响。
A smooth oil layer helps to prevent evaporation of the water layer, while the mucin layer functions in spreading the tears evenly over the surface of the eye.
当黏液层快速地覆盖到眼球表面时，光滑的油层能防止水层的挥发。
LaF3 single-layer coatings were prepared by thermal boat evaporation at different deposition rates. Some of these films were annealed in vacuum.
用热舟蒸发方法在不同的沉积速率下制备了LaF3单层膜，并对部分单层膜进行了真空退火。
The present invention also provides the manufacture process of the field emitting device, and the manufacture process includes evaporation step to form the insulating layer on the surface of the grid.
本发明还提供上述场发射装置的制造方法，包括采用蒸镀法在该栅极表面形成该绝缘层。
The present invention also provides the manufacture process of the field emitting device, and the manufacture process includes evaporation step to form the insulating layer on the surface of the grid.
本发明还提供上述场发射装置的制造方法，包括采用蒸镀法在该栅极表面形成该绝缘层。
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