surface area of particle 中文意思是什麼
surface area of particle
解釋
顆粒表面積-
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能測試等方法，對國內外多種典型石墨樣品的結構與性能進行比較，研究石墨材料的來源、晶體結構、雜質含量、顆粒大小、比表面積等因素對其充放電性能的影響，確定一種性能較好、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。 -
Carbon nanotube ( cnts ), as a kind of nano material, can produce special catalytic action to some materials because of its small particle diameter and large surface area
碳納米管作為一種納米材料，由於小粒徑、大比表面積效應，可對某些物質的電化學行為產生特有的催化效應，常用於酶傳感器的構建。 -
The critical concentration and critical particle surface area in constant rate section is studied. the floc density pa and the floc equivalent diameter da are calculated on the basis of experimental data and theoretic analysis
研究了等速段的臨界濃度、臨界顆粒表面積；分析計算了絮團密度_ 、泥沙絮團當量直徑d _ 。 -
On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula
應用透光率脈動檢測技術和光散射顆粒粒度分析儀（ pda ） ，通過理論分析，將pda的輸出信號之一? ?平均透光強度（對應于dc值）作為原水的特性表徵參數， dc值可以同時反映顆粒濃度和比表面積因素的影響，試驗結果證明， dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系： dc = cs _ p ~ d ，式中c 、 d為經驗系數，進而得到了以dc值為參數的高分子絮凝劑投藥量公式： d = f （ dc ） = e （ dc ） ~ f ，式中： e 、 f為經驗系數，平均相關系數達0 . 981 ，利用所建立的公式，建立了前饋? ?后饋聯合控制的在線自動投藥模型。 -
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比表面積、粒徑大小及分佈、晶相組成等性能的影響。 -
By analyzing and synthesizing the experimental results many optimized experimental parameters are achieved. 4. in order to value the cleanliness of super - smooth surface before and after laser cleaning rapidly and precisely, a software is developed to automatically value it by processing the surface images, which can present key parameters about the surface cleanliness, such as maximal contaminant particle size, the total particle number per unit, the contaminant area per unit, etc
超光滑光學基片表面激光清洗的機理和試驗研究西北工業大學碩士學位論文4 .對試驗中基片清洗前後sem照片進行統計分析，提取了基片表面上雜質微粒的圖像特徵，結合計一算機圖象處理技術，開發了表面清潔度自動評價軟體，實現了對超光滑基片表面上吸附的污染微粒進行自動識別和特徵分析，包括微粒的尺寸分佈、單位面積的微粒數、最大的微粒尺寸等重要參數。 -
Main research contents and achievements of this thesis is as follows : l. this paper carries through particular test and analysis to the basic physical - chemical properties of gaojiawang palygorskite, an environmental mineral fibre, by xay, ir, tem, sem etc. this paper has also discoursed upon the development appliance research status in quo and directions of palygorskite. 2. according to the preceding surface modification research achievements to nonmetal mineral materials, the author combines the self characteristics of palygorskite such as the ratio of length and diameter, typical nano - rank particle diameter, big ratio surface area, well - developed crystal growth imperfection and lattice defect etc. the author also designs organising modification ortho - experimentation of palygorskite by adopting iso - propyl alcohol as thinner of wd - 51 and ndz - 401, and acquires the best craft parameters and craft conditions for gaojiawang palygorskite original ore organising modification, namely : wd - 51 concentration 1. 6 % ( wt % ), modification temperature 120 ?, and modification time 60 mins ; ndz - 401 concentration 2. 0 % ( wt % ), c modification temperature 120, modification time 80 mins
在前人對非金屬礦物材料表面改性的基礎上，結合環境礦物纖維?坡縷石自身的特點（如：長徑比、典型的納米粒徑、大比表面積、發育的晶體生長缺陷和晶格缺陷等） ，通過對坡縷石有機化改性設計正交試驗，採用（ ch _ 3 ） _ 2choh作為稀釋劑，獲得了採用wd - 51和ndz - 401對高家窪坡縷石原礦進行有機化改性的最佳工藝參數和工藝條件，分別為： wd - 51的濃度為1 . 6 （ wt ） ，改性溫度為120 ，改性時間為60min ； ndz - 401的濃度為2 . 0 （ wt ） ，改性溫度為120 ，改性時間為80min 。 -
With the optimum parameter, the obtained composite particle have many changes compared with uncoated graphite, such as the increase of coating ratio, particle size and decrease of specific surface area, et al
在最佳包覆工藝條件下，所得復合粉體相對未處理石墨氧化物含量（包覆率）增加、粒度增大與表面積減小。 -
And one end of the modifying molecule links substrate through silane molecule, the other end catches tio2 particle with sulfo group, so the film has large surface area and excellent stability
該修飾分子一端通過硅烷分子連接載體，另一端利用磺酸基來捕捉二氧化鈦粒子，因此二氧化鈦薄膜具有較大的表面積和優異的穩定性。 -
The purity and composition uniformity were very high, and the specific surface area was 67 - 156 nm. in the third part, surface modification of sn - in2o3 nano particle was studied and some conclusions were drawn finally. kh560 and kh570 were selected as surface modification agents, and the concentration of them was 0. 5 - 1 wt %, and ph value was controlled for 5. 4, and the best milled technology were 72 hours
本文第三部分，結合丙烯酸酷類單體，對sn一inz仇納米微粒進行表面修飾研究，最後得出選用kh一560和kh一570作表面修飾劑，添加量為0 . 5一lwt %左右， ph值為5 . 4左右，採用球磨72小時，輔助超聲分散工藝時， sn一in20 :納米粉的分散性較好，且與基體有較好的相容性。 -
Properties of filler ( such as carrier ' s shape, particle diameter, pore size, surface area, as well as surface coverage, carbon content and bonded types of the bonded group ) and filling of chromatographic column shall directly affect retention behavior and separation effect of the articles to be tested
填充劑的性能（如載體的形狀、粒徑、孔徑、表面積、鍵合基團的表面覆蓋度、含碳量和鍵合類型等因素）以及色譜柱的填充，將直接影響待測物的保留行為和分離效果。 -
As the temperature and the soak time increasing, crystallite size, graphitic degree and average particle size of the graphite increase, while specific surface area decreases. the electrochemical performance of modified graphite is improved with the change in structure and surface characteristics
結果表明，隨著熱處理溫度的升高和恆溫時間的延長，石墨材料的石墨化度、石墨微晶尺寸l _ c及l _ a逐漸增大，比表面積減小，平均粒徑增大，充放電性能得到改善。 -
It ' s resolve dispersion intensity and operation time. by testing sample of precipitated calcium carbonate and testing sample with particle size and distribution, specific surface area, particle configuration, coated percentage, accumulated density and absorb oil quantity, which indicated that the dispersion and surface modification effect of tri - rotor continuum surface modification equipment are fulfilled the demand of powders applied industry completely, also the system working continuously, realizing produce scale. the performance of the test equipment is much better than others dry machinery in our country, and as well as overseas dry machinery and wet machinery, also it has the advantage of the produce cost low
通過對樣品?輕質碳酸鈣的性能試驗，同時對試驗樣品進行了粒度及粒度分佈、比表面積、顆粒形貌、包覆率、堆積密度和吸油值的檢測，表明三轉子連續改性機的分散和改性效果完全能夠滿足粉體應用行業的需要，同時系統連續作業，實現了規模化生產；通過與其它改性裝置的對比試驗表明本試驗裝置性能優于國內其它干法改性裝置，達到國外干法和濕法改性裝置的水平，同時又具有生產成本低的優勢。 -
It has discovered for the first time that the precursor b - ni1 - xcox ( oh ) 2, with pluffy and dendritic morphology, high specific surface area and low tap density, is the best starting material to produce lini1 - xcoxo2 materials, but not the presently thought that high density and spherical particle of ni ( oh ) 2 is fitting for the preparation of ni - cathode materials. using our own precursor can greatly reduce the degree of cation mixing ; improve the electrochemical properties of the aimed materials
發現表面蓬鬆、比表面積高和密度低、呈枝晶狀排列的- ni _ （ 1 - x ） co _ x （ oh ） _ 2前驅體具有較高的化學活性，制得的目標材料可有效抑制陽離子混排產物的生成，而非目前廣泛認為的高密度球形ni （ oh ） _ 2適合作鎳系正極材料的前驅體。 -
The changes of specific surface area before and after sintering were measured by nitrogen adsorption. the results show that the surface of sioi particles become coarser along with the remove of polymer template, but the particle size keep no change. the composite microspheres include more uf polymer under low ph value but turn into more looser under high ph value, so the result mesoporous sioi microspheres have big pore volume and average pore size
對脲醛sio _ 2復合微球進行熱處理后得到介孔二氧化硅微球，用示差掃描量熱（ dsc ）熱重（ tg ）分析研究了脲醛sio _ 2復合微球的脫水、脫醇及有機物炭化分解的過程；用氮氣吸附法分析了不同ph值、熱處理溫度對介孔二氧化硅微球的比表面積及孔結構的變化影響；用sem表徵了不同ph值下二氧化硅微球的形貌變化。 -
Some new materials was summarized and diffusion performance of the lithium ion, particle distribution, grain size, and specific surface area, etc, were analyzed
討論了最新的材料研究進展，分析了鋰離子在活性材料中的擴散性能、電極材料粒度分佈及粒徑大小、比表面積等因素對鋰離子電池大電流放電性能的影響。
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