一般情况下,超疏水表面可以通过两种方法来制备:在疏水性表面构建粗糙结构或者在粗糙表面修饰低表面能物质。
One is to create a rough structure on a hydrophobic surface, and the other is to modify a rough surface by materials with low surface free energy.
并根据“荷叶自洁效应”的仿生学原理,利用超微粉在涂层表面构造粗糙结构,提高其疏水性。
According to the theory of bionics and powders was used to build a coarse structure onto the surface of the coating, and the hydrophobicity was highly improved.
采用丙烯酸树脂对水性聚氨酯改性,研究了经丙烯酸树脂改性的水性聚氨酯的结构设计及其规律。
The structural design and its rule of water borne polyurethane modified with acrylic resin was studied in this paper.
某些此种损害将影响集装箱结构、尺寸(内、外部)防水性或证书要求。
Some of these defects can affect the structural integrity, dimensions (internal or external), water-tightness or certification requirements of the container.
考察了氯化石蜡(氯烃-70)在水性钢结构防火涂料中的应用情况。
This article has reported the application of chlorinated paraffin (Chlorinated Paraffine-70) in waterborne fire retardant coatings for steel structures.
尾矿料颗粒较细,比重较大,石英含量较多,亲水性弱,饱和的疏松的尾矿料具有非常敏感的不稳定结构。
The grain of tailings is finer with larger specific density, its content of quartz is more and water affinity is weak.
一些土壤例如砂土具有松散的结构,因而有良好的排水性,而在粘土中,由于土壤颗粒小而互相粘合导致粘土结构紧密排水性较差。
Some soils, such as sandy soils, have a loose crumb structure with good drainage, whereas in clay soils the particles are small and stick together to give a dense crumb structure and poor drainage.
使用红外光谱分析了阳离子水性聚氨酯的结构及其肝素化处理后聚合物结构的变化。
The structure of cationic waterborne polyurethane and the structure changes of polymer after heparinization were characterized with infrared spectroscopy.
法兰式结构,双层密封胶圈,故防腐、防水性能好。
Flange structure, double sealing rubber ring, so anti-corrosion, waterproof performance.
方便稀饭的口感在很大程度上取决于成品的复水性,而成品的复水性与方便稀饭米粒内部淀粉结构密切相关。
The taste of instant rice soup largely depends on the rehydration of the product, and consequently, connected with the inner structure of instant rice granule.
通过红外光谱、GPC等手段对水性含氟聚合物的分子结构进行了表征。
The structure of fluorinated polymer is characterized by use of IR and GPC.
在分子结构上引入憎水基-苯环后,显著提高了脲醛树脂的耐水性。
The hydrophobic property of the resin has remarkably improved by adding the hydrophobic group of benzene ring to the molecular structure of the resin.
而双壁钢围堰具有结构强度高、防水性能好的特点,因此,在桥梁深水基础中得到广泛应用。
The double-wall steel cofferdam is widely applied in bridge deep water foundation due to that it is of characteristics of high structural strength and good waterproof performance.
进一步研究了相容性及相结构与共混纤维微孔结构和亲水性能的关系,得到了一系列重要的结论。
The effects of compatibility and phase structure on porous structure and hydrophilic properties of blend fibers were further investigated. Many important results were obtained.
通过控制混合料的干密度、水泥用量和水灰比的取值范围,可使混合料同时满足排水性能要求和结构强度要求。
By controlling the range of the dry density, magnitude of cement and water cement ratio of mixture, the requirement of drainage property and structure strength can be fulfilled.
在钢结构的应用时发现水性钢结构防火涂料不防冻的问题。
The question of water borne fireproofing coating for steel structure does not bear the frozen is discovered when application.
树干茎流的大小主要受树皮的吸水性能、树木胸径、树干枝角与冠型结构、降雨量及降雨强度的影响。
The stemflow is influenced by the water absorbing property of barks, the diameter in breast high of trees, the branch angles, the crown structure, the precipitation and the intensity of precipitation.
将最终形成的IPN材料进行了力学性能和耐水性的测试分析,并以未形成IPN结构的同组成样品的数据作对比,突出了该材料的优越性。
The tested results of mechanical properties and water resistant data proved the advantages of IPN material, compared with the general compounds which had the same composition.
OR 9350可用有机溶剂稀释并使用,可赋予革良好的防水性能。OR 9350是结构中不含卤素的溶剂。
OR 9350 will be used after it is diluted with solvent. It can give good waterproof power. OR 9350 is a solvent without halogen in the structure.
实验结果显示,由于处理后纤维的结构中含有高吸水性的羧甲基基团,处理后的纤维比初始纤维有更高的吸湿性。
Experimental results showed that the treated fibers had much higher hydroscopicity than the untreated ones, due to the highly absorbent carboxymethyl groups in the fiber structure.
从结构上定性探讨了PAMN高吸水性树脂的性能。
The paper discussed the properties of PAMN high water absorptive resin from structure.
钻孔咬合灌注桩作为一种新的基坑围护结构,克服了传统桩在基坑围护结构中防水性能差的缺点,在地铁车站基坑围护中得到采用。
As a new pit supporting structure, clutching borehole grouting pile has overcome the deflection of traditional pile which can not prevent water leaking and is gradually used in subway pit engineering.
刷涂新漆前须脱除旧漆膜,旧的脱漆方式对桥梁钢结构表面和环境都有一定损害,采用水性脱漆剂已成为目前研究的热点。
Before given a new coating, the aging coating has to be removed, but the old removing method may do some damage to the surface of the steel structure and the environment.
岩体的结构及其透水性直接关系到建筑物围岩的稳定及安全。
The structure and permeability of rock determine directly the stability and security of buildings surrounding rock.
在石膏体系中掺入适量粉煤灰,通过对粉煤灰活性的充分激发,可显著改善石膏建材的微结构与耐水性。
The micro structure and water resisting of gypsum building materials can be improved greatly by adding fly ash to gypsum system and activating its activation.
疏水性和二级结构几率分析表明:有两个非常相似的结构域分别存在于1-390和390-807区域。
The analysis of hydrophobicity and second level structure probability shows that there are two greatly similar domains located at 1-390 and 390-807 areas respectively.
同时运用IR和SEM对KAC进行了结构分析,其富含的亲水性离子基团,以及不规则的多网格微观结构可成为高湿环境中长效吸湿剂开发应用的参考依据。
The structure of KAC was characterized by IR and SEM, its rich hydrophilic and ionic groups and irregular network can supply reference for application as long-term desiccant in high humidity.
量化蛋白质结构的参比疏水性:一般认为,疏水性氨基酸在蛋白质的核中,而极性氨基酸在表面。
Quantify the Relevance Hydrophobicity in protein Structure: the general expectation is that hydrophobic aminoacids are in the core of proteins, while polar aminoacids are on the surface.
软土地基的土质具有粘性大,透水性差,含水量大,承载力低,沉降量大,土层结构复杂等特点。
The soft soil is featured by big viscosity, bad water permeability, big water content, low bearing capacity, big settlement and complex soil layers.
软土地基的土质具有粘性大,透水性差,含水量大,承载力低,沉降量大,土层结构复杂等特点。
The soft soil is featured by big viscosity, bad water permeability, big water content, low bearing capacity, big settlement and complex soil layers.
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