size preparation 中文意思是什麼

size preparation 解釋
粒度準備
  • size : n 1 大小,尺寸規模身材。2 (鞋帽等的)尺碼,號;(紙張的)開。3 巨大,大量;相當大的分量。4 〈口...
  • preparation : n 1 準備,預備;〈常 pl 〉準備工作[措施];預修,預習 (for) 預習時間;(對…的)準備。2 (藥、菜...
  1. Influence of preparation factors on the size of aerogel powder

    制備條件對氣凝膠粉末粒徑的影響
  2. An overview of the preparation and photoluminescence properties of zno colloids, powders with different morphology and thin films was presented. quantum - size 2 - propanol zno colloids, hydrosol and powders / thin films were prepared by sol technology, and were characterized by xrd, tem, xps, ir, uv - vis, tg, afm and laser granulometry methods

    本文在系統總結zno膠體、不同形貌納米晶、薄膜的制備和熒光性質的基礎上,採用溶膠法制備了量子尺寸的zno異丙醇溶膠和水溶膠,制備了納米zno粉體及其薄膜。
  3. Inasmuch as the labour involved is nearly independent of the size of the preparation, the following procedure is designed on a fairly large scale.

    由於在制備工作中所花費的勞動力幾乎同制備量的多少無關,下述操作手續是按頗大的批量來設計的。
  4. Starch nanoparticles ( sn ) have been prepared with w / o starch microemulsion as microreader and epichlorohydrin as cross - linking agent. the factors affecting the preparation of sn have been investigated via the characterization of tem. the results show that the size and size distribution of sn are mainly controlled by the interfacial strength of microreactor, and the interfacial strength of microreactor is chiefly influenced by w value ( the molar ratio of water / surfactant ) and concentration of starch

    利用所得到的w o型澱粉微乳液作為微型反應器,以環氧氯丙烷為交聯劑制備出澱粉納米粒,並藉助透射電鏡的表徵研究了各制備因素的影響,研究結果表明:澱粉納米粒的粒徑及粒度分佈主要受微型反應器的界面強度控制,而影響界面強度的因素主要是r值(即水與表面活性劑的摩爾比值)及澱粉液濃度。
  5. The preparation of gold nanoparticles and the study of their surface plasmon resonance we had preparated gold nanoparticles of different size through two - step approach, one - step approach and seeding growth approach. uv - vis image and tem image indicated that surface plasmon resonance absorbance had a red shift with the argument of the sizeof the gold nanoparticles. 2

    金納米粒子的制備及其表面等離子共振吸收特徵我們分別用兩步法、一步法和晶種法三種不同的方法制備了小、中、大三種不同粒徑的金納米顆粒,用紫外可見吸收光譜和透射電子顯微鏡進行表徵。
  6. In this paper, silsesquioxanes with functional organic substitutes were used as molecular template. the preparation of low dielectric films with narrow pore size distribution was discribed

    本文使用具有功能取代基的籠形倍半硅氧烷作為分子模板劑,研究孔洞大小均勻分佈的低介電常數多孔薄膜的制備。
  7. Preparation of steel substrates before application of paints and related products. test methods for metallic blast - cleaning abrasives. part 2 : determination of particle size distribution

    塗料和相關產品應用前鋼襯墊的制備.金屬噴丸處理磨料的試驗方法.第2部分:粒度分配的測定
  8. In this article, four basic properties of nanometer particle are summarized : quantum size effect, surface effect, volume effect, macroscopical quantum tunnel effect, and several ways of preparation and evaluation of nanometer particle are introduced

    摘要綜述了納米微粒的四個基本特性:量子尺寸效應、表面效應、體積效應及宏觀量子隧道效應,並介紹了納米微粒的制備方法及對納米微粒評估的方法。
  9. Recently, as an advanced and eco - friendly method of powder preparation, freeze - drying has been developing quickly. the ultrafine ni powder with the average size of 50nm was prepared by freeze - drying form the niso4 and naoh and was studied by means of xrd, ir, fesem, tem, and dsc. the catalysis of nickel powders to nh4clo4 and how the precursor forms and the processes of the amorphous precursor to the final nickel powders are discussed

    本論文以分析純niso4 、 naoh為原料,採用冷凍乾燥技術成功的制備了50nm左右的球狀超細鎳粉,通過xrd 、 ir 、 fesem 、 tem 、 dsc等材料現代分析手段對產物進行了分析和表徵,研究了超細鎳粉對高氯酸銨熱分解的催化活性、前驅體的形成以及非晶態金屬鹽到晶態超細鎳粉的轉變過程。
  10. This article reviews the developments of studies in inorganic synthesis and preparative chemistry in vital aspects such as the extreme condition synthesis, soft chemistry, the preparation of specially condensed and aggregated materials, morphology and size modifying growth, defect and valence controlling, combinatorial chemistry, computer - aid design, ideal and biomimetic syntheses

    摘要本文從極端條件合成、軟化學合成、特殊凝聚態和聚集態制備、形貌與尺寸修飾、缺陷與價態控制、組合化學合成、計算機輔助合成、理想合成與生物模擬合成等幾個側面,闡述近年來無機合成與制備化學研究的進展。
  11. The template method is superior to other approaches, which the size, structure and morphology of the prepared materials can be controlled and adjusted by simple altering the nature of the template and the preparation conditions

    模板法的優勢在於利用模板的空間限域作用和調控作用可對合成材料的大小、形貌、結構、排布方式等進行控制,而且也可根據合成材料的大小和形貌預先設計模板。
  12. This paper analyses the cause of producing reunite in nano - powder from four facets, such as quanta size effect, small size effect, surface effect and macroscopical quanta size effect, and countermeasures are suggested from three facets, such as preparation, storage and transport as well as use, both in theory and experiment

    摘要根據作者理論和試驗方面的探索,從量子尺寸效應、小尺寸效應、表面效應及宏觀量子隧道效應等方面分析了納米粉體材料產生團聚的原因,並從制備、儲運、使用等方面提出了具體解決納米粉體材料團聚的措施。
  13. Preparation of steel substrates before application of paints and related products - test methods for metallic blast - cleaning abrasives - part 2 : determination of particle size distribution

    塗覆塗料前鋼材表面處理噴射清理用金屬磨料的試驗方法第2部分:顆粒尺寸分佈的測定
  14. In this thesis the preparation of " chemically pure " metal colloids by nd : yag laser ablation of metal plate is introduced. the measurement result of tem of the nanoparticle systems obtained the experiment is reported that the size of these colloids were between 5 to 35nm

    2 、論文介紹了一種新的制備金屬膠體及納米量級粗糙金屬表面的方法:利用nd : yag激光器1064nm激發光照射金屬表面,通過改變光照時間,制備出「化學純凈」納米金屬膠體。
  15. In order to obtain the mn - zn ferrite precursor particle which has itra - fme property, the optimum technological condition was obtained through the orthogonal experiments in this paper. in the co - precipitation procession of preparation the leading factors that affect the size of the particle are ratio of the ion concentration ( a ), ph of the reaction ( b ), temperature of reaction ( c ), and aging time ( d )

    本文通過拉丁正交試驗,以粒徑尺寸為考察目標,將離子濃度比( a ) ,反應ph值( b ) ,水浴溫度( c )和陳化時間( d )作為四參量,利用每一參量為變量進行試驗確定各參量值,從而確定製備超細錳鋅鐵氧體前驅體粉末的條件。
  16. Aim : to analyze the mechanism, thermadynamic theoretical basis, dynamic mechanism and influencing factors of thermally induced phase separation ( tips ) in order to completely grasp the factors affecting the size, distribution and form of pores, so that the adjusted range of pore can be widened and the preparation of porous membrane can be repeated and controlled. methods : considering from the structural characteristics of tissue engineered materials, the methods of preparing porous membrane using tips technique, the hermadynamic theoretical basis, dynamic mechanism and influencing factors were analyzed, the problems and investigative directions in the future were also analyzed. tips technique is a process of phase separation of polymer homogenous solution under quenching, and it is suitable for diameter and structural form of the micropore materials prepared using tips are closely correlated with the kind and dispensing proportion of polymer attrnuant, polymer concentration and polymer molecular mass, etc. conducted, including determination of polymer - solvent system phase diagram, study of form and appearance of porous membrane of different thickness, study of form and appearance of porous membrane prepared with systems of different x, which is the parameter of polymer - solvent interaction

    目的:分析熱致相分離成膜過程的機理、熱力學理論基礎、動力學機制以及影響因素,以便充分掌握影響孔度大小、分佈、形態的因素,使孔度調控范圍得以拓寬,使多孔膜的制備能重復可控.方法:從組織工程材料結構特點出發,分析熱致相分離聚合物多孔膜的制備方法及該法成膜的熱力學理論基礎、動力學機制以及影響因素.並分析實驗中存在的問題及今後的研究方向.結果:以熱致相分離法可制備聚合物多孔膜.熱致相分離法制備多孔膜是高聚物均相溶液在淬冷條件下發生相分離的過程,它適用於上臨界共溶溫度型聚合物一稀釋劑二元體系.熱致相分離法成膜的過程,可以認為是旋節線機理佔主導地位.熱致相分離法制備的微孔材料,其孔隙率、孔徑大小、結構形態與聚合物稀釋劑的種類、組成配比、聚合物濃度、聚合物分子量等因素密切相關.結論:可採用熱致相分離技術制備多孔膜,通過改變不同的成膜條件可獲得一系列不同孔徑尺寸和孔徑分佈的多孔膜材料.對熱致相分離成膜過程中聚合物-溶劑體系的相圖測定,不同厚度的多孔膜形貌研究,不同x (聚合物-溶劑相互作用參數)體系所制備的多孔膜形貌等需深人研究
  17. The more favorable experiment conditions of preparing anatase nanometer tio2 powder are obtained from a lot of data. preparation technology of rutile nanometer tio2 powder is researched on the base of experiment of anatase nanometer tio2 powder. the influences of enclosure dose ' s quantity, preroasting temperatures phase - transition accelerant ' s quantity and calcining intensity and so on on the properties of inclusion body - zntio3 / ti ( oh ) 4, granule size and properties of rutile nanometer tio2 powder are discussed

    在銳鈦型納米tio _ 2粉體的制備基礎之上,進一步研究了金紅石型納米tio _ 2粉體的制備工藝,探討了包覆劑用量、預焙解溫度、晶型促進劑量及焙燒溫度和保溫時間等因素對znco _ 3 / ti ( oh ) _ 4沉澱包覆體性能、金紅石型納米tio _ 2粉體產品的粒度和性能的影響。
  18. This paper with the actual needs of metal physical doping of icf target material and laser - x - ray conversion material is starting point, major for flow - levitation method principle, technology parameter control particle grain size, structure and thermal stability of phase composition that prep aration metal and alloy nanoparticle go deep into research. the principle of preparation metal nanoparticle by flow - levitation method is difference with other evaporate condensation method

    本文以icf靶材料金屬物理摻雜和激光- x光轉換材料的實際需要為出發點,主要對自懸浮定向流技術制備金屬與合金納米微粒的原理、過程和工藝參數控制微粒粒徑大小,所制備納米微粒的結構、物相組成以及組成相的熱穩定性等方面進行了深入研究。
  19. In theoretically flow - levitation method can prepare the nanoparticle of a series of different metal element and different size. through a course imitate for preparation of nanometal powders in inert gas by flow - levitation method, have established the mathematics model of the metal droplet surface evaporate to form suspension nanoparticles in inert gas, the calculation of this model shows as a result, the major factor of affect nanometer

    研究表明,自懸浮定向流法制備的納米金屬間化合物微粒其相組成與蒸發源母料的成分有一定的對應關系,適當條件下得到的產物顆粒中,主要組成相的cu 、 al原子比基本接近或盡量與蒸發源母料的cu 、 al原子比趨於一致,換言之,可以通過
  20. In this paper, tio2 films as ecological self - clean glass material prepared by magnetron sputtering method were discussed in the following aspects : the preparation technology of tio2 films by magnetron sputtering method, the control of the surface microstructure, the effect of the surface microstructure on the photocatalytic activity and the optical performance of tio2 films. sem was used to observe the surface topography. xrd was used to explore the crystal form, and crystal size

    為了解決以往溶膠?凝膠法制備的tio _ 2薄膜膜層質量不好的缺點,本論文對磁控濺射法在玻璃表面制備tio _ 2薄膜作為生態自潔凈玻璃材料進行了一系列探索與應用基礎研究,包括tio _ 2薄膜的磁控濺射法制備工藝、表面微觀結構的控制、表面微觀結構對tio _ 2薄膜光催化性能、透光性影響等。
分享友人