比表面能 的英文怎麼說

中文拼音 [biǎomiànnéng]
比表面能 英文
specific surface energy
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • : 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...
  • : 能名詞(姓氏) a surname
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  1. It focuses on the theory of the mineral functional materials " improving the anti - chloride permeability and the chloride binding. the main achievements of this article include : 1 ) use the technology of xrd, sem, bet, laser particle size distributor etc to test the component, the construction, particle size distributor, specific surface etc of micro - silica, ultra - fined slag, high quality fly ash, meta - kaolin clay, four types of the mineral functional material, theoretically analysis the functions which the four mineral functional minerals act on cement concrete, namely pozzolanicity effect, filling effect, micro - aggregate effect, surface adsorption effect and so bring into play the affect of plastification, lowing of temperature, reinforcement, improvement of durability. base on this analysis we can conclude that the proper diameter of the mineral functional material is 5 m - 15 m, that is blain fineness 4500cm2 / g - 7500cm2 / g

    本論文的主要成果包括以下幾個方: ( 1 )採用xrd 、 sem 、 bet 、激光粒度分析儀等多種測試手段,探明了以硅灰,超細磨粒化高爐礦渣,優質粉煤灰及偏高嶺土超細粉等4種超細礦物功材料的組成、結構、粒度分佈、積等基本性質;從理論上分析了礦物功材料在混凝土中的4種效應,即火山灰效應、填充密實效應、微集料效應、吸附效應,並由此發揮出增塑、溫峰削減(降熱) ,增強及耐久性改善等作用;通過相關理論分析,推導出礦物功材料的合理粒徑范圍在5 m 15 m ,即勃氏積為4500cm ~ 2 g 7500cm ~ 2 g 。
  2. The single function of biological reaction filler had been applied widely, which merely supplied the reaction place and the large amounts of microbe for biological reactor, though it had the large specific area and the surface character suitable for conglutinating microbe

    目前應用的生物反應填料作用單一,只是通過較大的積和宜於生物附著的性質,為生物反應裝置提供較高的生物量及為生物反應提供場所,但不為生物反應裝置創造良好的傳質擴散條件。
  3. The structures and characteristics of several graphite samples are measured by means of powder x - ray diffraction ( xrd ), brunauer - emmer - teller ( bet ) surface area measurement, inductively coupled plasma ( icp ) spectroscopy, particle size analysis and electrochemical measurements. the effects of origin, structure, impurity, particle size, specific surface area of carbon materials on the electrochemical characteristics are studied. a synthetic graphite with abundant resources, low cost and favorable performance is determined as the raw material for modification of graphite

    採用xrd 、 bet 、 icp 、激光粒徑分析及電化學性測試等方法,對國內外多種典型石墨樣品的結構與性進行較,研究石墨材料的來源、晶體結構、雜質含量、顆粒大小、積等因素對其充放電性的影響,確定一種性較好、價格低廉、來源廣泛的普通人造石墨粉作為熱處理與摻雜改性、以及復合結構炭材料研究的原材料。
  4. In chapter two, we fabricated r - ni - fe / al2o3 nanocomposites successfully by using ball - milling mixing method plus hot - pressing process. meanwhile, their microstructures are characterized by x - ray diffraction ( xrd ) analyser, transmission electron microscopy ( tem ), field emission scanning electron microscopy ( fe - sem ) and brunauer - emmett - teller ( bet ). the results indicate that ni - fe particles are homogenously dispersed in the matrix in the composites

    在第二章中,我們採用高球磨混合方法加上熱壓燒結工藝,成功制備了ni - 20fe al _ 2o _ 3納米復合材料,並通過x射線衍射儀( xrd ) 、透射電鏡( tem ) 、場發射掃描電鏡( fe - sem ) 、孔隙儀( bet )對該復合材料的微結構進行了徵。
  5. The surface energy of mica cleaved in vacuum is about ten times that of mica cleaved in air.

    在真空中剖開的雲母的在空氣中剖開的雲母的大十倍左右。
  6. The important meaning in which this direction studied has lain in establishing the connection between the material science of concrete and civil engineering, analyse the strength in terms of material microcosmic or the mesoscopic, have important meaning to understanding, know the essential law of the strength of concrete. this text divides six chapters altogether. chapter one reviewed the pore structure in nowadays domestic and international research current situation, including the concrete examines research, research of the pore structure model and the research current situations of pore structure and strength relation of the pore method, have introduced some most important achievements of structure research of pore ; chapter two narrated much yardstick of the material mesoscopic structure of concrete and principle of examining pore technology of material of concrete, and the commonly used sign parameter in discussedding the pore and material pore of quito of cement and analyse, have explained that the influence factor of mip to the result of study of pore, has pointed out the limitation in mip in the pore structure ; analyse porosity and strength relation development course of model emphatically, and has carried on comparative analysis to the existing model, has pointed out the weak point of the original model ; on the basis of " ing integrate synthetically ", propose concrete pore structure compound body model and pore physical model of systemlex body ; chapter five carried on the corresponding test data to compares to the model parameter appearing in model of chapter four with and analyses, have received k value of the characteristic of strength of matrices of reflecting according to the method to return to analysis, and calculate the influence produced on the strength of concrete in revision that can probed into the content of cement, elastic mould and surface energy, exactness of the inspection model ; chapter six is the conclusion, according to studying the survey this text to some research conclusions of the pore structure and making corresponding prospect to the structure development of pore

    第一章回顧了孔結構在當今國內外的研究現狀,包括混凝土測孔方法的研究、孔結構模型的研究及孔結構與強度關系的研究現狀,介紹了孔結構研究方的一些最重要的成果;第二章敘述了混凝土材料細觀結構的多尺度性及混凝土材料測孔技術的原理,並討論了水泥基多孔材料孔隙分析中常用的徵參數,也說明了壓汞法測孔對研究結果的影響因素,指出了壓汞法在孔結構研究中的局限性;第三章是著重分析了孔隙率與強度關系模型的發展歷程,並對已有的模型進行了較分析,指出了原有模型的不足之處;第四章在「綜合集成」的基礎上,提出了混凝土孔結構復合體模型和孔系統的物理模型,並模擬了該模型下由各單體並聯形成的復合體的斷裂過程,最後根據所建模型編制了相應的計算程序,可根據輸入的孔徑分佈與水泥含量等參數,實現混凝土理論強度的計算;第五章對第四章模型中出現的模型參數進行了相應的試驗數據對分析,根據回歸分析的方法得到了反映基體強度特徵的k值,並從理論上探討了水泥含量、彈性模量和的修正對混凝土強度計算產生的影響,檢驗模型的正確性;第六章是結論與展望,根據研究綜述了本文對孔結構的一些研究結論並對孔結構發展作了相應的展望。
  7. The activatory coal gangue powder ( acgp ), ground cement clinker and natural gypsum are mixed by different ratios to prepare blended cement specimens, and its mortar compressive strength performance, water usage for standard consistency, and flowability of mortar are investigated

    摘要將經燃燒等過程進行活化處理的煤矸石細粉與磨至一定積的水泥熟料及天然生石膏混合均勻,製成了活化謀矸石粉摻量例不同的多組混合水泥,並對其膠砂強度性、標準稠度用水量、膠砂流動度進行了實驗檢測。
  8. Nanomaterials have good adsorbability because of their huge specific surface area, therefore in the foreground of environmental analysis

    摘要納米材料具有大的積,擁有優良的吸附性,因此在環境分析領域的應用逐漸增多。
  9. And the effects of ballmilling, floatation and weight - selection, acid treatment and heat treatment on the specific surface and adsorbability of the natural minerals have been studied further, especially on diatomite and sepiolite

    並進一步研究了球磨、浮選和重選、酸處理、熱處理等前處理對天然礦物的和吸附性的影響,並著重討論了前處理條件對硅藻土和海泡石的吸附性的影響。
  10. Nanotubes have a narrow size distribution which dismeter is about 30nm with several analysis methods such as hrtem, eels, xrd, saed and so on the nanotubes " structure was characterized which can be regards as k ^ nbeon structure. according to the saed pattern, the axis of nanotubes can be determined which is along the crystal direction [ 100 ]

    鈮酸鉀是一種的具有光催化功的材料,光催化的效果與催化劑的積有很大關系,納米管的一個顯著特點就是與粒狀結構的材料相,它具有大的積,從理論上講它應該鈮酸鉀顆粒具有更好的催化效果。
  11. For 2h, the osc and special surface area decreased sharply, meaning a bad thermal stability. the osc and special surface area of the samples prepared by precipitation keep very well after aged, exhibiting a promising thermal resistance. while the samples prepared by dipping method have a much more stable osc at different temperature, that is, they have a good thermal stability

    研究明,採用溶膠?凝膠法制備的樣品在老化前具有最大的儲氧量和積,但經高溫老化后,其儲氧量急劇下降,現出很差的抗高溫老化性;採用沉澱法制備的樣品在老化前後,其儲氧量和積降幅最小,有良好的高溫熱穩定性;採用浸漬法制備的樣品不管老化與否,其儲氧量並不隨著儲氧溫度的改變而大起大落,現出較好的熱穩定性。
  12. 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積較大,含氧官團數量較多,親水性較好,有利於前軀體在碳載體的吸附;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的酸性含氧官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。
  13. Use of mineral silicate as adsorbent in wastewater treatment is studied, which refers to its modification with different methods in order to improve the adsorption ability

    摘要國內外許多學者對硅酸鹽吸附劑進行了改性研究,通過增大吸附劑的積、改變化學性質、增強離子交換力以及擴大層間間距等來提高吸附劑對污染物的吸附量。
  14. This paper introduces the preparation and performance of a novel high performance pulp, poly ( p - benzamide ) ( pba ) pulp, which has bigger specific area and excellent heat - resistance than para - phenylene terephthalamide ( ppta ) pulp

    摘要介紹了一種新型高性漿粕聚對苯酰胺( pba )漿粕的制備和性。該漿粕較聚對苯二甲酰對苯二胺( ppta )漿粕具有更大的積,更優良的耐熱性。
  15. The nanoparticle titanium dioxide was prepared with tnb as raw material by the sol - gel process, the effects of the alcohol salt concentration the kind of solvent the water volume hydro1yze temperature. the dried ways of the wet gel and the calcined temperature of the dry gel on the specific surface area. particle size

    本文以鈦酸丁酯為前驅體,利用溶膠?凝膠法制備了納米級的tio _ 2粉體材料,通過正交實驗研究了醇鹽的濃度、溶劑的種類、水含量、水解溫度、乾燥條件和煅燒溫度等工藝條件對納米粒子的積、粒徑大小及分佈、晶相組成等性的影響。
  16. Ceramic grain filters ard made of refined pottery clays added with certain modifiers, and processed of grinding, mixing, shaping and high temperature sintering. they do not contain any substances that harmful to people or environment. they are hard and rough in surface, porous inside the structure, and have the advantages of high mechanical strength, large specific surface area and porosity. when used in water treatment, they behave a activated surface property, a great amount of pollutant entrapment, less water head loss in the filter bed, lower consumption of back - flush water, stable in chemical and gbiologic property, and long service life, ceramic grain filters is a new and efficient filter material to increase the water yield, upgrade the water quality, and save chemicals and energy

    陶粒濾料是以精製陶土為主要原料,摻加適量改性劑,經粉碎,混練,成型和高溫煅燒而製成的,不含任何對人體和環境有害的物質.其堅硬,粗糙,內部疏鬆,多孔,具有機械強度高,積大,孔隙率大的特性.用於水處理中,具有性狀好,截污力強,過濾水頭損失小,反沖洗耗水量低,化學穩定性和生物學穩定性好,使用壽命長的特點.陶粒濾料是一種增加水產量,提高出水質量,節省藥劑和耗的新型高效過濾材料
  17. Therefore it is reasonable that special surface of steel - making slag powder is controlled in the rang between 450 - 500m2 / kg. furthermore, when special surface of different steel - making slag powders are close, steel - making slag powder, which surface is attached lot of fine particle powder or which degree of roundness is high, has higher cementitous property

    實驗結果明,提高積可提高鋼渣粉的膠凝性,但當積超過500m ~ 2 kg時,鋼渣粉的膠凝性提高已不顯著,鋼渣粉的最佳積應控制在450 500m ~ 2 kg之間;積相近時,有細小顆粒吸附且顆粒圓形度高的鋼渣粉有相對較高的膠凝性
  18. Generally speaking activity of steel - making slag is higher than first grade fly ash. influence of special surface and particle morphology of steel - making slag powder on cementitous property is studied by experiment. results show that cementitous property of steel - making slag powder increase with increase of its special surface, but increase of cementitous property is not obvious when its special surface is beyond 500 m2 / kg

    實驗結果明,提高積可提高鋼渣粉的膠凝性,但當積超過500m ~ 2 kg時,鋼渣粉的膠凝性提高已不顯著,鋼渣粉的最佳積應控制在450 500m ~ 2 kg之間;積相近時,有細小顆粒吸附且顆粒圓形度高的鋼渣粉有相對較高的膠凝性
  19. Specific surface energy

    比表面能
  20. At the beginning of the reduction, the spherical ni powders precipitated at the tip of the precursor where specific surface energy is higher, then more and more ni powders appeared at the edges and the surface of the precursor ; finally the spherical ultrafine ni powders take the place of the whole precursor

    在還原過程中,超細鎳粉首先從凍干前驅體的尖端等比表面能較大的地方析出;隨后前驅體的棱和逐漸析出大量的超細鎳粉;最後鎳粉顆粒替代整個前驅體,得到球狀超細鎳粉。
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