agglomeration method 中文意思是什麼

agglomeration method 解釋
造塊方法
  • agglomeration : n. 團聚作用，凝聚；團塊。 be an agglomeration of 是集…之大成。
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. In this section, applying the method, from abstract to specific and from history to present, it analyzes the operation mechanism of urbanization economy affected by market mechanism ; puts forward four theories of urbanization economy from economic perspective, including agriculture surplus and comparison advantage ; non - agricultural industry ; agglomeration economy and spillover effect, on this basis of the theories, it, on one hand, analyzes two kinds of internal mechanism in the chronologic operation of urbanization economies : increasing mechanism of urbanization economies in urban output industry ; and changing mechanism from specialization to integration, which are the representations of the evolution of " mart " development ; on the other hand, it analyzes two internal mechanism of dimensional operation of urbanization economy : internal spatial enlargement mechanism of urbanization economies from monocentric city to multi - center city, and external spatial enhancement mechanism which represents city - regionalization and city - chain connection, the later two mechanism represent the evolution of " polis " development

    這一部分，按照由抽象到具體和由歷史到現代的研究方法，分析了市場機製作用下的城市化經濟運行機理，從經濟學角度提出了農業剩餘與比較優勢、非農產業、聚集經濟、外溢效應四大城市化經濟定理；在此基礎上，一方面分析了城市化經濟運行沿時間增長的兩個內在內容提要機制:城市輸出產業的城市化經濟增長機制和從專業化到綜合化的城市性質變遷機制，它們主要表現為「市」發展的延續;另一方面分析了城市化經濟運行沿空間增長的兩個內在機制:從單中心到多中心的城市化經濟運行的內部空間擴展機理和表現為城市區域化、城市連綿體的城市化經濟運行的外部空間擴展機理，它們主要表現為「城」發展的延續。
  2. 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比表面積較大，表面含氧官能團數量較多，親水性較好，有利於前軀體在碳載體表面的吸附;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表面的穩定吸附和分散;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表面的酸性含氧官能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。
  3. The nanometer tin dioxide powder aspects were prepared with the colloid - hydrothermal system which takes the merit of sol - gel law and hydrothermal method, and combine forming new preparing method - colloid - hydrothermal after the analysis of a large number of documents to the home and abroad and comparing to more than ten kinds of methods preparing the nanometer powder aspect, the nanometer stannic dioxide powder is prepared with the colloid hydrothermal system, and has avoided the pure sol - gel law to calcine with high temperature later period which causes the hard agglomeration

    本文通過對國內外大量文獻的分析，對制備納米粉體的十多種方法進行了比較。取溶膠?凝膠法和水熱法各自的優點，結合形成新的制備方法? ?膠體水熱法。用膠體水熱法制備納米二氧化錫粉體，避免了純溶膠?凝膠法後期用高溫煅燒得到二氧化錫超細粉體時產生的硬團聚現象。
  4. 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。
  5. The new method is compared with the ordinary fire law, the characteristic of product such as to possess that the diametre is small and the size distributes narrow and the agglomeration level is light etc, and for further adopting the measure scatters providing the possibility

    實驗所得納米粉體與火法煅燒樣品相比，產品具有粒徑小、粒度分佈窄、團聚程度輕等特點，並且為進一步採取措施進行分散提供了可能。
  6. This part emphasizes the synthesis of nanoarrays, aiming at controlling the size and distance of nanocrystallites using calixarene derivatives by altering the size, length and chemical structure of the organic molecules ; 2. this part emphasizes in situ synthesis strategy for fabrication of polymer network of zns based nanopowder, aiming at size controls, coating and preventing agglomeration following " one - pot " synthesis ; this method fits to low cost, large scale production ; 3. according to development in zno nanomaterials, we first report on the synthesis, characterization of amorphous zno, aiming at describing the principles and approaches of synthesis techniques, optical properties, spatial structure and doped effect ; the amorphous zno displays cage - like structure, showing a strong ultraviolet emission while the visible emission is nearly fully quenched, a potential uv - emission material ; 4

    本論文以量子結構自組裝為出發點，提出利用杯芳烴及其衍生物的化學受限反應實現尺寸可調半導體納米粒子自組裝；提出有機聚合網路原位組裝zns基納米熒光粉方法，把熒光粉的納米化、包敷、防團聚在「一鍋」反應中完成，適于低成本，批量生產；根據當前zno的研究情況，我們首次合成了非晶zno ，研究了它的光學性質，確定了它的結構，並對其摻雜進行了初步的研究，非晶zno表現出強的深紫外發光特性，而可見發射非常弱，是一種有巨大潛在應用價值的深紫外發光材料；利用非晶zno的亞穩特性，對晶化過程中非晶zno納米晶zno三維受限量子結構特性，界面特性進行了深入的研究；利用固相熱分解一般受擴散控制特性，實現了尺寸可控的zno三維量子結構的自組裝；利用非晶zno的高度分散性，容易均勻成膜特性，實現了非晶籽晶誘導低溫液相外延自組裝生長高取向zno晶體薄膜。
  7. The agglomeration method is used in the solution on the unstructured grids

    對原始網格按一定方式進行聚合就得到粗網格。
  8. In order to obtain more efficiency, the agglomeration method is different in different fields, especially for the solution of n - s equations

    在對n ? ? s方程用多重網格求解時採用了各向異性的聚合方法，即對網格進行聚合時不同方向聚合方式不一樣。
  9. A clustering method for chinese documents based on som and agglomeration

    和層次凝聚的中文文本聚類方法
  10. Agglomeration of superfine zro2 composite powder prepared by co - precipitation method

    2超細復合粉過程中團聚現象的研究
  11. Including three respects : first, the instance of agglomeration of manufacturing industries ; second, document survey, inclding the theory of agglomeration, and the method to test the agglomeration ; third, the structure of the text

    包括三方面內容:一是國內外產業集聚實例;二是文獻綜述，從產業集聚理論研究和產業集聚測度方法兩方面說明;三是文章結構說明。
  12. Xrd and tem patterns showed that superfine powders of namometer oxide, 15 ~ 98nm ca., even and without hard agglomeration, can be synthesized by this method, what ' s more, the size of the powders will be increased as the increasing of the concentration of starting solution, temperature and time for calcining. so products with needed size can be synthesized by choosing the appropriate conditions

    產物超細粉的xrd和tem圖譜表明，該方法可以合成粒徑為15 98nm左右、分佈較為均勻、沒有明顯硬團聚的納米氧化物超細粉，而且其粒徑會隨起始溶液濃度的增加、凝膠煅燒溫度的升高和煅燒時間的增加而增大。
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