Results 11 to 20 of about 1,380 (119)

Condensation Characteristics of Superhydrophobic Surface at Different Working Conditions [PDF]

open access: yes, 2023
Superhydrophobic surfaces can reduce the attachment of droplets, reduce the increase of thermal resistance caused by the existence of droplets, and thereby improve the efficiency of air conditioning, power generation, and seawater desalination systems ...
Gu Guiyu   +4 more
core   +1 more source

Dynamic Behaviors of Water Droplets on H2/Air PEMFC Gas Diffusion Layer Surface: VOF Simulations [PDF]

open access: yes, 2017
在研发和设计H2/空气质子交换膜燃料电池时,如何促进扩散介质及气流通道内液态水的传输是需要考虑的主要问题之一.本文运用FLUENT软件流体体积(VOF)模块模拟了燃料电池气体扩散层表面液滴的形成、脱落及输运行为.液滴受气体剪切力、粘滞力和表面张力的共同影响,对不同的壁面浸润角和不同的气体剪切力,呈现出复杂的液滴动力学行为.考察了通道气体流速和扩散层表面浸润力对液滴行为的影响.结果表明,增大扩散层表面浸润角或入口气流速度均可以促进扩散层表面液滴的跃离,前者对液滴跃离的促进作用更大 ...
蒋方明, 陈旺
core   +1 more source

Characteristics of Pickering Emulsion Stabilized by Tea Polyphenols-Starch Nanoparticles [PDF]

open access: yes, 2023
Novel nanoparticles were prepared by addition of tea polyphenols (TP) into gelatinizing waxy maize starch slurry followed by ethanol precipitation and were used to stabilize food-grade Pickering emulsions.
WANG Ran
core   +1 more source

Fabrication and bacterial adhesion of metal dry electrode with surface microstructure arrays [PDF]

open access: yes, 2017
为开发出高性能生物医用干式电极,提出了利用激光微铣-重铸加工方法,实现了表面具有微结构阵列特征的新型金属干式电极的制造成形。在分析电极表面微观形; 貌的基础上,研究了电极表面的润湿性能,并重点研究了扫描间距、扫描速度和扫描次数等加工参数对大肠杆菌粘附性能的影响规律。研究结果表明:在一定工艺参; 数条件下所加工出具有微结构阵列特征的电极的接触角可达150°以上,表现出超疏水的特性。在不同扫描间隙和扫描次数条件下加工出的电极对大肠杆菌的粘附; 性能具有较大影响,在选择0.1; mm扫描间隙时 ...
刘韶宇   +6 more
core   +1 more source

Preparation of Pullulan Polysaccharide/Thermoplastic Polyurethane Coaxial Electrospinning Film with Oregano Essential Oil as Core Material and Its Preservative Effect on the Quality of Lateolabrax japonicus Fillets [PDF]

open access: yes, 2023
The use of plant essential oils as an antibacterial agent for food packaging has become a new trend. In order to obtain biodegradable films for the preservation of aquatic products, coaxial electrospinning films were prepared by electrospinning using the
HUANG Yanru, DING Jie, LIU Liangjun, YANG Xu, LI Qiuying, GE Yonghong, LI Jianrong, SUN Tong
core   +1 more source

Research progress on the impact of mineral surface roughness on particle-bubble interaction [PDF]

open access: yes, 2023
Mineral surface roughness is an important factor affecting flotation efficiency. Surface roughness can affect the hydrophobicity of minerals, the adsorption of reagents, and the rupture of liquid films between particles and bubbles, resulting in a ...
Guangyuan XIE   +4 more
core   +1 more source

Research Progress on Essential Oils from Lauraceae Plants [PDF]

open access: yes, 2023
There are various species of plants in the Lauraceae family, and these plants are widely distributed in China. Their essential oils have many biological activities, such as bacteriostatic, antioxidant and insect repellent activities and are ideal natural
DU Yitong, WANG Ying, XUE Wanyu, FAN Yuxin, JIANG Zitao
core   +1 more source

透明超疏水疏油涂层的制备及性能 [PDF]

open access: yes, 2013
以纳米二氧化硅和聚合物为原料,采用喷涂的方法,在不同基材的复杂工件表面形成均一涂层,并研究了二氧化硅含量对涂层性能的影响。结果表明,所得涂层与水接触角大于150°,与油的接触角超过90°,具有超疏水性和疏油性。此外,涂层具有很好的透明性,涂层硬度高达6H,附着力达到5B。适当添加纳米二氧化硅,涂层的疏水性 ...
刘朝杨, 程璇
core   +3 more sources

Advanced Progress of Green Textile with Special Wettability [PDF]

open access: yes, 2021
We introduced the preparation mechanism of biomimetic superhydrophobic surfaces and the development of hydrophobic finishing chemicals. The research process of multi-functional green textile with special wettability in the last 10 years was ...
Huang, Jianying, Lai, Yuekun, Li, Shuhui
core  

含氟硅低表面能共聚物的制备与表征 [PDF]

open access: yes, 2011
将丙烯酸六氟丁酯和γ-甲基丙烯酰氧基丙基三甲氧基硅烷与(甲基)丙烯酸(酯)进行共聚,合成含氟硅共聚物。用红外光谱(FT-IR)、X射线光电子能谱(XPS)和热重分析(TGA)对共聚物的结构和性能进行表征,并测试了共聚物膜的吸水率及对水和油的接触角。XPS结果表明,共聚物膜表面的F和Si元素相对物质的量明显高于150 nm深处,同时共聚物膜对水和油的静态接触角分别达到110°和80°以上,说明F、Si元素自组装迁移,形成了低表面能表面;TGA研究结果表明,共聚物膜的热分解温度从195℃提高到226 ...
廖翌滏   +6 more
core  

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