preparation of size 中文意思是什麼

preparation of size 解釋
漿液配製
  • 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...
  • of : OF =Old French 古法語。
  • 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...
  1. 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。
  2. 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。
  3. 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。
  4. 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
  5. 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。
  6. 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
  7. 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。
  8. 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
  9. 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
  10. Preparation of steel substrates before application of paints and related products - test methods for metallic blast - cleaning abrasives - determination of particle size distribution

    塗料和相關產品使用前鋼基體的預處理.噴射金屬清理磨料的試驗方法.粒度分佈測定
  11. The preparation of gold nanoparticles has been known for a long time, until last century, gold nanoparticles whose size below l00nm could have been preparated arbitrarily

    金納米顆粒的制備已經有很長時間的歷史,到上世紀末為止,人們已經可以制備出100nm以下的任意粒徑的金納米顆粒,這些金納米顆粒的粒徑分佈范圍較窄,並且形狀單一。
  12. ( 2 ) the affecting factors such as components in precipitation process, the add - on, add on of precipitator, calination temperature and calination time were studied in the preparation process of ceo2 nanoparticles. the tg was used to analyze the processor, the xrd, sem and tem were used to characterize the size of crystal type of products. by a series of designed experiments the interaction between different factors and impacts on the preparation of ceo2 nanoparticles were probed, and the optimum preparation condition was gotten

    ( 2 )對納米二氧化鈰制備過程中可能的一些影響因素(反應組分的濃度,沉澱劑的加入量,焙燒溫度,焙燒時間等)進行了研究,並通過tg ? dta分析手段對前驅物進行熱重分析;用xrd 、 sem及tem等測試手段對產物的粒度和晶型進行分析;探索了各個因素對納米二氧化鈰制備的影響及各因素間的交互作用;確定了在該試驗條件下制備納米二氧化鈰比較優化的制備條件。
  13. It has many advantages, such as the particles size is well distributed, and its diameter can be well controlled, etc. because of this virtue, reverse micelle shows broad prospects in the preparation of ferrite nanoparticles. hi this work, the syntheses of mnfe2o4 nanoparticles, cofe2o4 nanoparticles and znfe2o4 nanoparticles are prepared by the reverse micelle method, these preparations employed reverse micelles formed with anionic surfactant bis - ( 2 - ethylhexyl ) sodium sulosuccinate ( aot ), which is considered the most effective surfactant, and another anionic surfactant bis - ( 2 - ethylhexyl ) sodium hydroxy sulosuccinate ( ahot ), which is a new surfactant, and was synthesized by our own research group. we also synthesized znfe2o4 nanoparticles using the cationic surfactant cetyltrimethylammonium bromide ( ctab )

    本文分別採用通常被認為最佳的陰離子表面活性劑? ?二( 2 -乙基己基)丁二酸酯磺酸鈉( aot ) ,和我們課題組自己設計合成的新型陰離子表面活性劑? ?二( 2 -乙基己基)羥基丁二酸酯磺酸鈉( ahot )所構成的反膠束體系為微反應器,成功制備了mnfe _ 2o _ 4納米粒子、 cofe _ 2o _ 4納米粒子和znfe _ 2o _ 4納米粒子;還以陽離子型表面活性劑? ?十六烷基三甲基溴化銨( ctab )構成的反膠束體系為微反應器,成功制備了znfe _ 2o _ 4納米粒子;並探討了表面活性劑的種類和結構對反膠束法制備鐵氧體納米粒子反應的影響。
  14. General rules for the sample preparation of particle size analysis of fine ceramic raw powder

    細陶瓷粉末原料粒度分析用試樣制備的通則
  15. The best particle size gradation of portland cement and its added cementitious materials suitable for preparation of high performance concrete

    適于配製高性能混凝土的硅酸鹽水泥及其膠凝材料的最佳顆粒級配
  16. The results showed that appropriate copolymer composition and processing techniques were fairly important in the preparation of composite magnetic microspheres. superparamagnetic magnetic composite microspheres with size less than 500nm, magnetic content 22 % and saturation magnetization 32. 5emu / g could be prepared by this novel method. it is proposed that the polymer

    綜合看來,採用dpe法制備的磁性復合微球磁含量高、飽和磁化強度高、無機微粒分佈均勻,且表面潔凈,包覆效率高,因而具有更好的綜合性能,是一種具有廣闊應用前景的新方法。
  17. Some problems from the principal stress axis rotation experiment with hollow cylinder apparatus are analyzed in detail herein ; which consists of three aspects, such as the preparation of the hollow cylinder sample and the acquisition of the isotropic one ; the estimation and elimination of the size effect and the end effect in the experiment ; and the membrane penetration effect on both the drained and the undrained tests results, etc

    摘要詳細分析了採用空心圓柱儀進行主應力軸旋轉試驗遇到的若干問題,主要包括三個方面:空心圓柱試樣制備及各向同性試樣的獲得;試驗中尺寸效應、端部效應的考慮與消除;空心試樣膜嵌入效應對排水、不排水試驗結果的影響等。
  18. So far, although numerous synthetic routes, such as suspension polymerization, emulsion polymerization, dispersion polymerization, etc, have been developed to produce magnetic composite microspheres, there are still a lot of problems need to be resolved for preparing ideal and useful magnetic composite microspheres. these problems include low magnetic content, low efficiency of encapsulation, big size, polydispersity of particle size, the contamination of composite microspheres by some additives, etc. it is realized recently that the preparation of high quality magnetic composite microspheres relies on the breakthrough of synthesis approaches and the detail understanding of the polymerization mechanism in the presence of magnetic inorganic particles

    本文針對當前磁性復合微球磁含量低、潔凈度較差,且主要是微米級產品的研究現狀,以提高磁性復合微球磁含量、提高復合微球的潔凈度及在維持較高磁含量的基礎上有效減小復合微球的粒徑為主要目標,採用改進乳液聚合法、細乳液聚合法及活性游離基dpe法三種方法制備了不同粒徑及磁含量的磁性復合微球。
  19. To some extent, the study was beneficial for developing the syntheses technology of srceo3 powder, understanding the basic theory concerned with the preparation of composite oxide with nanoscopic size, and the special functions possessed by nanophase materials

    本論文的研究結果對擴展srceo3粉體的制備方法,深入了解納米復合氧化物制備的基礎理論以及納米粒子的特殊性能等,都有一定意義。
  20. Grain size, the semiconducting of grain and the insulating of grain boundary were keys to the single - fired process of preparation of srtio3 - based double function ceramic, and affected directly the dielectric and varistor properties

    在srtio _ 3基雙功能陶瓷的一次燒成制備過程中,最關鍵的是晶粒生長、晶粒半導化和晶界絕緣化,它們直接影響陶瓷的壓敏和介電性能。
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