表面能是恒温、恒压、恒组成情况下,可逆地增加物系表面积须对物质所做的非体积功。表面能的另一种定义是,表面粒子相对于内部粒子所多出的能量。 表面能是创造物质表面时对分子间化学键破坏的度量。
聚四氟乙烯、硅油共同改性聚苯乙烯包装材料的研究-中国包装论文库 关键词:聚四氟乙烯;二甲基硅油;表面能 [gap=697]Key words: PTFE; PDMS; surface energy
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... 成膜树脂 film-forming resin 表面能 interface energy 共聚物类降粘剂 copolymer thinner ...
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... steady y flow 稳定流动(定常流动) surface e energy 表面能 surface e tension 表面张力 ...
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Furthermore, it is proved that the liquid drop model in literature is a special case of surface energy model.
同时,还证明了文献中的液滴模型是本研究提出的表面能模型的一个特例。
参考来源 - 金属纳米微粒热力学性能的尺寸效应和形状效应研究Through determining contact angle and calculating surface energy, it showed surface energy and polar components of organic bentonite decreased.
通过测定接触角,计算结果表明有机改性后的膨润土表面能下降,极性分量值降低。
参考来源 - 膨润土改性及其对彩喷纸涂料性能影响及机理研究The surface roughness, contact angle, surface free energy of solid materials and interfacial energy between solid material and liquid, interfacial energy between solid material and biofouling were identified.
对固体材料的表面粗糙度、表面能、固体材料与液体之间的界面能及固体材料与生物垢之间的界面能进行了测量和计算。
参考来源 - 冷却水系统中生物垢影响因素的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
零件表面能被低熔点金属渗透以增大密度、强度、硬度、延展性和抗冲击能力。
A part surface can be infiltrated with a low melting point metal to increase density, strength, hardness, ductility and impact resistance.
这个磁体创建一个磁场,能改变覆盖在磁盘表面的小金属粒子的极性。
The magnet creates a field that changes the polarity of a tiny, tiny portion of the metal particles which coat each platter's surface.
这个方法非常有效,因为玻璃在从软变硬的过程中并没有触及任何物体的表面,因而在经过“火抛光”处理后能保持完美无瑕。
This method was very effective as the glass had not touched any surfaces between being soft and becoming hard, so it stayed perfectly unblemished, with a "fire finish".
These are molecules that exist naturally in cell membranes and are activated by certain enzymes and kinases generated by receptors.
这些分子存在于细胞膜表面,能被受体激活的某种酶或激酶所活化
The magnet creates a field which changes the polarity of a tiny, tiny portion of the metal particles which coat each platter's surface.
这个磁体创建一个,能改变覆盖在,磁盘表面小金属粒子的磁极。
So, it doesn't need to bind to a receptor on the surface of the cell in order to work because the molecule can actually enter the cell directly.
所以无需与细胞表面受体相结合来起效,因为这些分子能直接进入细胞
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