親水性能 的英文怎麼說
中文拼音 [qīnshuǐxìngnéng]
親水性能
英文
hydrophillic nature-
The result of water - binding ability test including water - retention ability, especially water - adsorption ability, showed great enhancement of hydrophilicity of the modified pdl - la scaffold, which would favor for the 3d cell culture
該改性技術可顯著提高聚乳酸支架的親水性,尤其可顯著提高聚乳酸支架的吸水能力,非常有利於三維支架的細胞培養。The film ' s property had a great change after h2 microwave plasma treatment in certain conditions, especially the uv - vis absorbtion, the hydrophilicty and the photocatalytic activty have a great improvement
通過適當條件的h _ 2微波等離子體處理后薄膜特性發生較大變化,其紫外?可見吸光能力明顯增強,光致親水性能和光催化活性都有較大提高。The results indicate : ( 1 ) the photocatalytic activity and hydrophilicity of tio2 film are affected by the factors of thickness, porosity and heat - treated temperature which lead to the changes of the hydroxyl content, adsorbability and surface roughness of the film
熱處理溫度、薄膜厚度、孔隙率等因素對摻銀的tio :薄膜、 tioz一snoz 、 tioz一fezo3復合薄膜光催化和親水性能的影響與對純tio :薄膜的影響相似。2. there were statistically differences between the groups in acidity and compressive strength changing at the first 6 weeks after degradation test, mass loss and intrinsic viscosity changed significantly in whole period, volume contract happened after the 2nd week ( p < 0. 05 ). 3. after modified with alginate calcium, the scaffolds have the much higher hydrophilic ability, water uptake reached 50 - 60 % ( v / v ) from 0. 5 to 24 hours, no significant difference found between the inner groups
經過藻酸鈣改性后的支架親水性能得到良好改善,體積含水量在24小時內保持在5o朋之間,區組、組內比較無顯著性差異中勸刀5 ) ;酒精處理后吸水率達到個12之間,顯著高於對照組的2 10 ,區組和組內比較均存在顯著性差異(卜The bsa rejection increases as / decreases. the hydrophilicity of the surface of pvdf hollow - fiber membranes has been greatly improved and the antifouling ability increased obviously
Pvdf基膜表面引入pamps長鏈分子或者pamps凝膠層,親水性大為改善,抗污染能力明顯提高。The 3t3 mouse fibroblasts and human endothelial cells cultured on the surface of the implanted pp showed much better attachment and proliferation than that for controlled pp. at the same time, the cooft ion implantation also exhibited low macrophage attachment with normal cellular morphology. the above results can cause positive effects on the biocompa tibility when it is used as implant material
研究表明,離子注入后聚丙烯表面的親水性和血液相容性研究表明,通過對pp表面進行cooh ~ +離子注入處理,可以降低其表面能和水接觸角,提高其抗凝血性能和抗鈣化性能,並且pp的抗凝血性能與cooh ~ +離子的注入劑量具有很大的相關性。Study the degradation properties of scaffolds, and ethanol disinfection effects on its physical properties. modify the material surface function and improve the hydrophilic ability. construct cytokine control - release system in foamy scaffolds that sustained release growth factors
針對支架進行基本降解性能研究,考察plga支架在醫用酒精消毒過程中物理形態改變;在此基礎上對支架內部進行改性並構建細胞因子控制釋放系統,優化材料表面特性、改善支架的親水性並穩定釋放細胞因子。Through the comparison between freeze - drying and heat - drying, the agglomeration and the desorption of the precursor on carbon support can be alleviated with freeze - drying method. the effects on the electrocatalysts by pretreatments of carbon support, dispersant and precursor are studied. the result shows that pretreatment of the carbon support by kmno _ 4 can add oxygen - containing functional groups on the surface of carbon, which can reduce the hydrophobicity of the carbon support, and then make it much easier for carbon to dissolve in water to form suspension ; isopropyl alcohol can make the carbon support in high dispersion in the precursor solution, which can make the precursor absorbed on the surface of the carbon
採用高錳酸鉀氧化預處理的碳載體比表面積較大,表面含氧官能團數量較多,親水性較好,有利於前軀體在碳載體表面的吸附;選取異丙醇作為預凍液中的分散劑,有利於碳載體在前軀體溶液中的分散,容易實現前軀體離子在碳載體表面的穩定吸附和分散;使用酸性pt ( no _ 2 ) _ 2 ( nh _ 3 ) _ 2作為前軀體,可以使前軀體離子和碳載體表面的酸性含氧官能團發生離子交換反應,使得前軀體離子吸附量增大,分散更加均勻,以上三種因素的選取都可以得到催化活性更高的pt / c催化劑。Xps showed that there were much chemical absorbing water on the ti _ ( 2 ) film surface which mainly existed in form of - oh, and the contents of - oh was increasing with the annealing temperature. hydrophilic property became better with the annealing temperature ; the essential relation between the changing of contact angle and light - induced - electrons and light - induced - cavities was studied in details. the photocatalysis of samples without heat treatment was very bad, but that of samples after heat treatment was much better
Xps的分析表明:試樣的表面含有大量的化學吸附水,主要以羥基的形式存在,隨著熱處理溫度的升高,吸附羥基的含量在增加;親水性能測試表明:隨著氧氣分壓的變化,其親水性能變化不大,隨著熱處理溫度的增加,試樣的親水性能在變好,並從理論上解釋了親水性能光照前後變化和光生電子?空穴對之間的本質關系。Analyzing the treated yak hairs with sem, xps and et al, it showed under the same conditions, the effect of etching is enhanced with the increasing of power of wave, and the hydrophilicity and dyeing rate enhanced obviously
通過sem 、 xps及吸附性能等的分析,結果表明,在相同參數的等離子體條件下,隨著產生等離子體的微波功率的增大,對氂牛毛纖維表面的刻蝕效果增強;經過等離子體處理過的氂牛毛纖維的親水性,上染率等都有明顯的提高,說明該方法是一條切實可行的路線。When the film is deposited at 450, a kind of square substance exists on the surface of it. it is identified as na0. 23 tio2. experiments has proved that it has a negative effect on the photocatalysed efficiency, but it has no influence on the hydrophilicity
450反應溫度時,薄膜表面會有方塊狀物質生成,經推斷為na _ 2o ? xtio _ 2 ,實驗證明它的存在對薄膜的光催化性能有害,但對親水性沒有影響。The two prescriptions that hpmc or hec respectively blended with nl demonstrate the different comprehensive performance and the former is better than the latter, but they are not good as nl with pva blended ; cmc and hec blended with ptfe have worse performances than that blended with nl ; compared with the binders of njl and nl, njl is beneficial to the electrochemical properties and disadvantagous to the electrode ' s formation, but nl is the very contrary
天然乳膠中加入hpmc或hpc作為復合粘結劑時,前者粘結負極的成型工藝性和電化學性能都優於後者,但與加入pva相比,電極的綜合性能比較差。 ptfe與親水性物質如cmc 、 hec等組合成的混合粘結劑的粘結負極的性能不如對應nl粘結負極的性能。When the graft ratio was high, the hydrophilic side chain was long and the molecular mass of the main chain of the hydrophilic matrix was great, the diffusion of pp - g - peg in pp blends would be poor, and the diffusion coefficient would also be small
接枝率越高、親水性側鏈的長度越長,親基體主鏈摩爾質量越大,接枝共聚物在聚丙烯共混體系中的遷移擴散性能越差,擴散系數越小。In this thesis, ti02 series thin films which have different structure and different composition were prepared by magnetron sputtering and sol - gel method. the structures and properties of these films were researched, and the product technologies of super - hydrophilicity were also preliminary studied. the results are as follows : 1
表面橋氧比羥基氧對薄膜親水性能的影響更大,而對光催化活性的影響則是羥基氧更大; ( 3 ) tio _ 2 - sno _ 2的復合膜、疊層膜及復合疊層膜的光催化活性及親水性均優于純tio _ 2薄膜。Chitosan - nylon composite membrane with two active group ( - nh2 and - oh ) had a hydrophilic surface and good blood compatibility, so it can be widely used in affinity separation
其中尼龍殼聚糖復合膜具有胺基和羥基兩種活性基團、良好的親水性能、較佳的血液和生物相容性,可廣泛應用於親和微濾。It had many great merits such as excellent optical properties, low - cost and easiness to handle which offered promising prospects in the filed of self - cleaning, anti - fog and so on. the hydrophilicity of tio2 was influenced by many factors such as crystal structure, surface morphology, band gap, etc. preparing method and doping element would take effect on the properties of the film
Tio _ 2薄膜的親水性能受到結構形貌及其禁帶寬度的影響,銳鈦礦相的tio _ 2具有最好的親水特性;平整均勻的表面不僅有利於水的鋪展,而且透光率高,適于玻璃鍍膜;薄膜禁帶寬度降低有利於提高光能的利用率。The results show the optical absorption by vanadium ions doped tio2 films. the presence of vanadium and silica in tio2 greatly enhanced their photo - activity
而釩摻雜使tio _ 2薄膜親水性能顯著提高,甚至在太陽光照下就具有親水性。The reason of the increasing photo - activity was analyzed
實驗中發現共摻雜薄膜的親水性能不佳。The influence of the transitional metal ion, fe3 + and zn2 +, was discussed. fe dopent can be easily put into the matrix of tio2 and hardly inflects the crystal structure or surface morphology. it can decrease the band gap of the thin film effectively so that it will improve the hydrophilicity of the thin film
Fe ~ ( 3 + )摻雜離子的引入能夠有效降低薄膜的光學能隙,提高薄膜的光響應范圍,從而使薄膜的親水性能提高;而zn ~ ( 2 + )摻雜對薄浙往大』于傾卜、瀏億論文膜的親水性能沒有改善。The contact angle for water of the film which prepared according to above conditions is 4 ? ( 2 ) b plus voltage is 1. 2kv ; sputtering time is 80min ; the target parameters are : 100 % anatase tio2, the thickness is 6. 5mm, the diameter is 53. 5mm, the quality is 24. 99g and the density is 1. 71g / cm3 ; anode current is imax. the constant of reaction kinetics of the film which prepared according to above conditions for degrading methyl orange is 0. 0192
Fe20 ;的摩爾含量為0 . 5 %時光催化活性最好;而在fezo3的摩爾含量為0 . 05一0 . 1 %時,獲得了具有超親水性能的復合薄膜;但fezo3 / tio :的疊層膜及復合疊層膜的光催化活性及親水性能均不理想,主要原因是fezo3的存在具有光生載流子復合中心的作用。分享友人