粒面表面 的英文怎麼說
中文拼音 [lìmiànbiǎomiàn]
粒面表面
英文
grain surface- 粒 : Ⅰ名 (小圓珠形或小碎塊形物) small particles; grain; granule; pellet Ⅱ量詞(用於粒狀物)
- 面 : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
- 表 : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
- 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
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Gypsum may crystallize on the surface of the phosphate rock particles.
石膏會在磷礦顆粒的表面上結晶。The " minimum friction level " of 25 micro newton established by ittf is so high that only pimpled - out rubbers with total friction will be homologated after 01 july 2008 ( the friction level concerns both the surface and the side of the pimples )
2008年7月1日起,國際乒聯訂立相當高的25微牛頓單位「最低摩擦度」只有符合這個摩擦度的正貼膠皮才認可使用(所指的摩擦度包含膠粒的表面和邊緣位置) 。Composites of hollow glass bead / ultramicro iron / ep with three - layer structure were prepared by coating ep on the surface of composites of ultramicro iron - coated hollow glass bead
通過在超微鐵包裹中空玻珠復合粒子表面再包裹一層ep ,制備出了中空玻珠/超微鐵/ ep三層結構復合粒子。Using the dyeing method, the surface area of xi ' an loess particles is firstly determined ; the result is clay particles have a huge specific surface area
首次利用染色法測定了西安黃土顆粒的表面積,表明粘土顆粒具有巨大的比表面積。The cement paste covers the surface of the stones and sand particles, binding them together when it hardens.
水泥漿充填蓋滿石子和砂粒的表面,硬化時將它們膠結在一起。Analytical solution of the nearest surface spacing between neighboring binder grains in fresh cement paste
新拌水泥漿體中鄰近膠凝材料粒子表面最近間距分佈的解析解At the existence of batio3, the pan / batio3 nanocomposite are prepared by in situ complex technology. the shape of complex is not regular and their mean size is in the range of 1 ~ 2 u m there are chemical bond between pan and batio3 in pan / batio3 nanocomposites, for the complex mechanism of pan with batio3 nanoparticles, first, there are complex between pan and batio3 nanoparticles. pan have the function of cohering batio3 nanoparticles
乃o3納米粒子的原位復合過程中,首先是an單體與batio3納米粒子相互作用,由於鈦酸鋇權于的存在,苯胺單體首先吸附在鈦酸鋇粒子表面,當過硫酸鉸加入溶液中時,聚合過程首先在這些氧化物的表面進行,這導致了聚合物對鈦酸鋇粒子的吸附及圍繞鈦酸鋇粒子的受限生長。The absorption spectra indicate that the adsorption of dithiooxamide on the silver nanoparticles results in a red - shift in the spr band, mainly caused by the changes in the microenvironment of the metal nanoparticles and charge density alteration due to the charge transfer between the molecules and metal particles
吸收光譜結果表明銀納米粒子表面吸附二硫代乙二酰胺分子可導致金屬粒子的表面等離子體共振吸收紅移,主要與金屬粒子的微環境改變以及吸附分子與金屬間電荷轉移而導致的金屬粒子內部電子密度改變有關。In the paper, we use coupler kh570 to modify nanoparticles, bond coupler onto nanoparticles, and obtain alkylated nanoparticles ; then with the help of coupler on the surface of alkylated nanoparticles, we graft pmma onto nanoparticles through in - situ polymerization of mma monomer, and gain composited nanoparticles encapsulated by polymer, thereby nanoparticles are encapsulation modified
本論文採用偶聯劑kh570對納米粒子進行改性,使之鍵接于納米粒子表面后,獲得烷基化納米粒子;然後在烷基化納米粒子表面通過單體mma的原位聚合,接枝聚合物pmma ,實現聚合物包覆納米粒子獲得復合納米粒子,以達到納米粒子的聚合物包覆改性。Ultrafine a - ahoa powder with average crystalline size of 27nm and spherical secondary partical shape of 40nm has been prepared by the method of adding dispersant before reaction. after discussing the agglomeration mechanism, the paper studies the way to eliminate the hard agglomeration. it thinks that main reasons to lead to agglomeration are larger specific surface area and high reactivity of nanopowder
認為導致團聚的主要原因是:納米粉體顆粒的表面有許多斷鍵,相互之間或與其它物質之間容易產生毛細管力、氫鍵、化學鍵等多種作用力,在採取措施消除團聚的過程中必須全方位考慮,實現全程式控制制。Recently, anodic aluminum oxide ( aao ) membranes with a regular porous structure have been prepared by electrochemical methods and have widely been used to produce various nanostructured materials within highly ordered channels in the aao membrane in which the diameters and lengths of the inserted nanowire can be well controlled. in this dissertation, after reviewing the latest development in research of the novel system of nano - array composite by using template method, reports my research work of fabricating metal / aao nano - array composite and their novel optical properties in the past few years. different metal / aao composites ranging in volume fraction of the metal showed unusual size - dependent optical properties, some important results obtained are as following : 1
接著論文全面總結了作者近幾年以金屬aao納米有序陣列復合結構光學特性為選題的研究工作:進一步優化了制備金屬aao納米有序陣列復合結構的工藝參數,較系統地考察了分別由幾種不同金屬( co 、 ni 、 ag 、 cu )植入aao模板后,合成的納米有序陣列復合結構樣品的光反射、透射和吸收等一般光學特性,還專門研究了各系列結構樣品吸收邊的頻移、金屬納米粒子表面等離子激元共振吸收特性,以及特殊的半導體光學特性等。With the reference of many relevant materials, the author prepared a fined molybdenum disulfide powder with a average size of 800nm by ball milling, and a nano - copper with average size of 30nm in micromulsion solution method, and synthesized surface - modified titanium dioxide nanoparticles with average size of 40nm in organic media via sol - gel method. the tribological performances of three particles were studied by universal test as well, with the result of fined molybdenum disulfide powder with good reducing wear and antiwear performance at low load, nano - copper with good reducing wear and antiwear performance at high load, surface - modified titanium dioxide nanoparticles maintaining stable reducing wear and antiwear performance from low load to high load due to its characteristics of organic and inorganic nanocomposite. the results indicate that the nanocomposite is the most perspective oil additive. the reducing wear and antiwear mechanism of nano oil additive was studied with in - situ tribochemical principle. nano additives possess broadly developing prospect with its above - mentioned performance
在參閱了大量文獻的基礎上,分別採用了球磨法、微乳液法、溶膠?凝膠法制備了超細二硫化鉬、納米銅粒子、表面修飾納米二氧化鈦,經原子力顯微鏡測試,獲得的超細二硫化鉬的粒度平均在800nm以內,納米銅粒子平均粒度約為30nm ,表面修飾納米二氧化鈦平均粒度約為40nm ,在萬能摩擦磨損試驗機上測試了三種粒子的摩擦學特性,結果表明:在合理的添加濃度范圍內,超細二硫化鉬在低載時具有優良的減摩抗磨性能,納米銅在高載時具有比較好的減摩抗磨性能,表面修飾二氧化鈦粒子因具有有機與無機復合物的特性,從低載到高載都保持穩定的減摩抗磨性能。In the case of dipole model, it gets the precision distribution of the electric field of the inside and outside of the particle by solving the laplace equation. the influences of the separation distance of the particles on the shear yield stress are investigated. and the result of the laplace is also contrasted with the result of the finite element by ansys software
在極化的狀況下,利用求解laplace方程,求解出多粒子下粒子內部的和周圍的局部電場的表達式,求解出粒子表面的極化電荷、粒子內部的和外部的局部電場,考慮了粒子間距對局部電場的影響,還分析了,在不同外加電場下對局部電場的影響,並且與ansys有限元的數值結果模擬進行了對比。The optimum technic conditions have been gotten in in preparaing high dispersive a1 ( oh ) 3 colloid by controlling reactant concentration, ph value, reaction temperature, matured time. they are the prereguisite to prepare nanopoder of a - a1203. this paper entirely and systematically studies the following three kinds of drying stages : oven drying, dehydration with alcohols and azeotropic distillation stage
本文採用逐步逼近法進行了氫氧化鋁膠體的沉降實驗,對膠體形成的體系反應物的初始濃度、體系的ph值、反應溫度和膠體的陳化時間進行了系統優化,並獲得了制備高分散氫氧化鋁膠體的最佳工藝參數;此膠體經過過濾、 80下烘乾后所得樣品,在掃描電鏡下直接觀察其粒徑為50nm ,且分佈范圍窄,顆粒的表面清潔,為球形。The results showed that the gradation, which designed by volumetric methods, has perfect water - stability and other pavement performance also can meet the demands of expressway. by integrating compaction capacity and pavement performances, the optimal ratio of the structural layer thickness to the maximum particle - size is 2. 5. the water resistance of the mixture added amine type anti - stripping agent attenuates severely after long - term aging, but the mixture added hydrated lime not only can improve obviously the capacity of water resistance, but also has perfect long - term pavement performance
研究結果表明,採用體積法設計的級配不僅具有較好的水穩定性而且其它路用性能均滿足高速公路面層的要求;綜合考慮壓實性能及路用性能,提出了瀝青路面表面層結構層厚度與混合料最大粒徑的合理比例為2 . 5 ;摻有液體胺類抗剝落劑的瀝青混合料經長期老化后其抗水損害能力衰減嚴重,而摻加消石灰的混合料能顯著提高其抗水損害能力,且長期性能較好,是一種優良的抗剝落劑。In order to solve the problem of conglomeration of the nanoparticle and make the nanoparticle disperse evenly in the coatings. in this way, we could succeed in improving the effect of modification. we originally put forward the in - situ sythesising nanoparticle method to modify coatings. through this method, we made use of the technology of the wet chemical method and added the precursor of nanoparticle during the preparation of coatings
在此基礎上,為解決納米粉體的團聚問題,使納米粒子在塗料中有效分散與附聚,以實現納米粒子改性的有效性,原創性地提出了原位生成納米粒子改性塗料制備工藝的新思路:利用濕化學方法制備納米材料的技術,在常規塗料制備的過程中加入所需引入納米粒子的先驅物,直接在顏填料微粒的表面原位合成相應的納米粒子。Removing partial surfactant covering on nanoparticles reduce the permittivity of particles remarkably, but little effect on the permeability ; decreasing the aliphatic chain length of the surfactant can improve both permittivity and permeability of particles evidently. 2
脫除部分包覆在納米粒子表面的表面活性劑,可以明顯降低鐵納米粒子的介電常數而對磁導率影響不大;減小納米粒子表面的表面活性劑脂肪鏈鏈長使粒子的介電常數和磁導率均有大幅提高。Some function assistant agents, such as mapo, t313 and home - made sh, were used in ap / htpb suspensions. the results indicate that sh is of an effective surfactant for ap, especially for superfine ap. it can not only improve the surface properties of superfine ap, but can obviously raise shear rate exponent of ap / htpb suspensions and the performance of the rheological behavior of suspensions
2 、將mapo 、 t313 、及自製的sh等工藝助劑用於ap htpb懸浮液中進行流變學實驗研究,發現自製的sh是一種對ap尤其是細粒ap表面性質能改善的有效表面活性助劑,使ap htpb懸浮液體系的剪切速率指數明顯提高,改善了懸浮液的流變性。Blend in molten state make hdpe crystals small, crystallinity large, quantity of cb particle benefit to conductivity decreasing ; in solid state cb aggregate is sheltered with a insulate hdpe film, also cb structure will be broken down during blend ; all of these will make conductivity bad. but processing alds can lower this effect obviously. 3. the effect of crosslink is restricting the movement of molten polymer molecules
為此筆者認為固相混合使hdpe晶粒尺寸變小,結晶度增大,使得異相成核的晶粒增多,參與導電的炭黑粒子數量減少:熔混卻使炭黑粒子表面被覆一層絕緣膜:這都將導致材料的導電性明顯變差,同時兩種混合還會造成炭黑結構的破壞,皆使得材料的導電性明顯變差。The average particle size was from 50nm to 2um. a compounding particle was prepared by coating monodispersed and spherical ultrafine silica particles with titania which obtained by the hydrolysis of ti ( so4 ) 2
以超細單分散球形二氧化硅粒子為載體, ti ( so _ 4 ) _ 2為原料,成功制備了在二氧化硅粒子表面包覆二氧化鈦的復合粒子。分享友人