顆粒壓實 的英文怎麼說

中文拼音 [shí]
顆粒壓實 英文
particle packing
  • : Ⅰ名 (小圓珠形或小碎塊形物) small particles; grain; granule; pellet Ⅱ量詞(用於粒狀物)
  • : 壓構詞成分。
  • : Ⅰ形容詞1 (內部完全填滿 沒有空隙) solid 2 (真實; 實在) true; real; honest Ⅱ名詞1 (實際; 事實...
  • 顆粒 : 1 (小而圓的東西) pellet; bead; dust; anything small and roundish (as a bean pearl etc )2 (一...
  1. Al self - oxide powder, al2o3 - al blending powder and sic - al blending powder extrusion wires obtained by experiments had high tensile strength as well as high conductibility

    驗所得的鋁粉末自氧化擠線材及用al _ 2o _ 3和sic強化所得的線材具有高的抗拉強度和良好的導電性能。
  2. As an advanced materials preparation technology, spray - deposition has shown remarkable superiority in producing large - sized alloys and metal matrix composites. however, the spray deposeted preforms usually contain a certain quantity of porosity. besides, the oxide films on the surface of the particles lead to week metallurgic conjunction between the particles. in order to obtain an ideal structure and performance, the porous preforms need further densifying and plastical forming. in this paper, a new technology named wedge pressing was used to densify spray - deposeted 5a06 aluminium alloy, in which the large deformation can be obtained through the sum - up of local deformation and multi - step small deformation. this method can also solved the problems in traditional processing and greatly decreased the producing cost. what ’ s more, the reserch on the wedge pressing desification rules about the large - sized spray deposeted preforms was significant it was vital not only to the further densification of the prefoums but also to the further research on plastical deforming the research was also benefit to the industrialization an the application of the spray deposeted porous materials

    坩堝移動式噴射沉積技術作為一種先進的材料制備新技術,在制備大尺寸合金及金屬基復合材料方面具有顯著的優越性。然而噴射沉積坯件特別是大型坯件通常存在一定量的孔隙,表面存在一定量的氧化膜,之間未能完全達到良好的冶金結合狀態,因此需要進行后續緻密化和塑性變形才能獲得理想的組織和性能。本文採用一種新型的楔形制工藝,即通過局部變形、多道次小變形累積現大變形的緻密化加工方法,對噴射沉積多孔坯料進行后續緻密化和塑性變形,很好地解決了傳統加工工藝的難題,大大降低了生產成本。
  3. Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )

    本研究以武裝直升飛機防護裝甲材料為研究對象,採用真空熱粉末冶金燒結工藝制備了含sic體積分數分別為5 、 15和25的sic增強鋁基復合材料,結合其力學性能、掃描電鏡和界面微區能譜分析結果,分析了sic _ p al復合材料的真空燒結過程中的界面現象,以及材料增強和斷裂機理,並利用hopkinson高速桿沖擊驗系統對其從靜態到動態(應變率為3 . 3 10 ~ ( - 3 ) s ~ ( - 1 ) 5 . 2 10 ~ 3s ~ ( - 1 ) )的縮破壞響應進行了研究,分析了不同體積分數sic _ p al復合材料高應變率縮載荷下,材料的變形和微觀損傷機理,以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。
  4. With gelatin liquor as adhesive and wheat meal as granulation material, the effects on spray granule ' s strength of fluidizing gas velocity, bed temperature, nozzle air pressure and adhesive concentration were studied experimentally in a batch conical fluidized bed spray particle generator

    本文在一間歇錐形流化床噴霧造器中,以食用小麥澱粉為原料,以明膠的水溶液為粘結劑,驗研究了流化氣速、床層溫度、噴嘴霧化空氣力、粘結劑濃度對噴霧造強度的影響。
  5. The experimental results showed that the maximum pressure drop and the operational pressure drop were related with particles diameter, bed height and superficial velocity, and the latter was also related with bed structure

    驗表明:雙噴嘴矩形噴動床的最大噴動降和操作降與徑、床層高度及表觀氣速有關,而操作降還與床體結構有關。
  6. Machine this can is it succeed round or special - shaped tablet to press various kinds of tiny particle, thick powder, suitable for the laboratory or produce various kinds of tablets, sugar - tablet, calcium tablet, dysmorphism in batches etc. small

    本機可將各種小、粗粉末沖成圓形或異形的片劑,適用於驗室或小批量生產各種藥片、糖片、鈣片、異形等。
  7. When the two reactants were simply mixed by crush, they reacted violently and produced carbon spheres with a diameter of 50 - l00nm and sodium chloride ( nacl ) was encapsulated within the outer amorphous carbon shells, which could be confirmed by sem and tem. by annealing at 1400 ? to drive the encapsulated nacl away, hollow carbon spheres were left with a novel mesoporous structure, as presented in hrtem

    驗中將兩種反應物通過直接擠混合后加熱反應,得到的無定型球狀碳材料經tem照片證直徑為50 - 100納米,而且中間包裹氯化鈉( nacl ); xrd等結果顯示,高溫退火併徹底清除nacl后形成的中空碳球已經部分石墨化。
  8. The relations, such as the tensile strength of extrusion products to extrusion ratio and contents of powder strengthen materials, the practical load of powder extrusion to contents of powder strengthen materials, extrusion ratio and extrusion velocity, were given by this dissertation

    論文給出了驗過程中擠製品的抗拉強度與擠比、增強材料含量之間的關系,粉末擠所需的際擠力與增強材料含量、擠比、擠速度之間的關系等。
  9. The scratching test was carried out with a single diamond tool to study the removal mechanism of litao3 wafer by load. the ae signals were measured, and the scratched surfaces of litao3 wafers in different conditions were observed by metallography microscope

    通過單金剛石入鉭酸鋰晶片光滑表面的劃痕驗,研究鉭酸鋰晶片的機械力學性能和斷裂破壞情況,尋找合理的拋光力。
  10. The results show that, composite could be fabricated on the complicated surface by means of sodium silicate sand mold combination with vacuum infiltration process. when the substrate was 10 mm, composite layers reached 3 mm to 5 mm in thickness with high strength interface and less casting defect. microstructures of grey cast iron and low chromium cast iron matrix composites with various volume fraction has been analyzed

    結果表明:用水玻璃砂型(芯)加負鑄滲的工藝能夠現復雜表面(曲面)增強復合材料的制備,澆注方式簡單可靠,基材厚度在10mm時,復合層厚度能達到3 5mm ,且復合層鑄造缺陷少,復合效果好,界面緻密而且結合強度高。
  11. In this paper, nanosized al2o3 ceramic particles were chose as reinforcing phase. enhanced with ultrasonic wave the particles were covered with copper using method by electroless plating, the copper - matrix composite was developed by hot - press sintering process of the composite powder. the composition, microstructure, hardness, density and dry sliding wear property of the new material have been studied

    研究路線為:選用納米級al _ 2o _ 3陶瓷作為增強相,在超聲波的環境中用化學鍍的方法完成對納米al _ 2o _ 3陶瓷表面的金屬銅包覆,採用熱燒結成型技術以復合粉末為原料制備成納米al _ 2o _ 3陶瓷增強銅基復合材料,研究分析復合材料的成分、組織結構、硬度以及緻密度,對試樣進行了干滑動摩擦磨損驗。
  12. With the very low water to cement ratio, rpc has ultra - high strength high ductility and low permeability. in this paper, the compressive strength of rpc can reach to a high point with the number approximately 135mpa. as illustrated from the study results, we can approve some fundamental conclusions : there are big effects on rpc with deferent kinds and properties of raw materials and deferent curing conditions ; stress - strain curve shows the process of destroy with rpc samples ; x - ray diffraction analysis indicates that heat treatment at temperatures 90 accelerate the hydration of rpc sharply, therefore, mechanical and microstructural properties of rpc are highly dependent on heat treatment ; it is believed that rpc materials have excellent resistance to chloride permeability ; during the heat treatment, the shrinkage of rpc developed quickly because of chemical reactions ; the rpc with slag mostly has the advantage of rpc without slag about resistance to solutions corrosion

    研究結果表明:通過對rpc各組分摻量變化的研究,可以找到rpc的最優配合比;試件成型后的熱養護制度對rpc的性能影響巨大; rpc的抗應力?應變曲線可以反映出試件受破壞時微裂紋的擴展情況,剛纖維的摻入可以大幅改善rpc的韌性; rpc在成型后存在較大的收縮,而其中的化學收縮要遠遠大於乾燥收縮; rpc具有很強的抗氯離子滲透性能,漿體的密度很高;通過x射線衍射驗,可以發現rpc的膠凝體中ch晶體已經幾乎不存在,膠凝體主要由c - s - h凝膠和未水化水泥組成;在抗溶液侵蝕的驗中,摻礦渣rpc的抗溶液侵蝕性能在絕大多數情況下要好於不摻礦渣試件,酸、堿溶液和浙江工業大學碩士學位論文摘要一些鹽溶液都會對rpc的結構產生侵蝕作用,但是機理各有不同。
  13. Powder metal is often used instead because it is undesirable or impractical to join the elements through alloying or to produce parts by casting or other forming consists of producing small particles, compacting, and sintering. the squeezing pressure with added heat bonds the metal powder into a strong solid. powdered metals can be ferrous, nonferrous or a combination of ferrous and nonferrous elements

    金屬合金一般是無孔隙固體;因為煉制出的合金的際效果不理想,或者通過鑄造和其他成型方式對小的進行制,燒結出來的產品零件無法滿足需求,因而人們常常使用粉末金屬來代替金屬合金。
  14. But for real microfiltration, the distribution of shear stress on the membrane of the module with outside helical flow would have benefit to make smaller number of particles deposit on the membrane. ( 2 ) by means of orthogonal test and regression method, four new models, trans - membrane pressure model, flux model, trans - module pressure drop model, and efficiency model, were established, which roundly describe the performance of outside helical mf by depicting the flux, energy loss, and handling capacity simultaneously

    ( 2 )採用正交回歸驗,在無沉積的理想情況下,建立基於層流數值解的膜器跨膜力損失模型、過濾通量模型、過膜器的力損失模型和膜器過濾效率模型,首次從通量、能量損失及膜器對料液的處理能力等三個方面,更全面地對外旋流方式下的微濾過程進行了描述。
  15. The character of tube roll mill is that it combines the advantages of ball mill and roller, then great improves the grinding efficiency through the study of the grinding theory of tube roll mill, pressing stress, grinding effect and the comparation between roller and vertical mill, this text combined the national important technology equipment crert item - - tube roll milling developing item, gets following results : firstly, because of the special structure of tube and roll, powder from single particle grinding in the early peried contincely transit press grinding stage, it better stops the loss of splash energy, secondly, during the grinding progress, powder form loose to dense fully uses the nonsmoth surface of particle and stress focus to make its stress lower than roller " s

    本文結合國家重大技術裝備國產化創新項目-筒式輥碾磨開發項目,通過對筒輥磨的粉磨機理、層應力的分析、粉磨效果的研究及與輥機、立磨粉磨效果、粉磨機理的比較,可知:首先,由於筒與輥的特殊結構方式,筒輥磨內粉體由初期的單破碎逐漸過渡到層粉碎階段,較好地防止了飛濺能的損失,其次,在粉磨過層中,粉體由疏鬆到密,充分利用了的非光滑表面及應力集中效應使其應力低於輥機。驗證,筒輥磨的粉磨效果大大優于立磨和輥機。
  16. Based on the experiment of dust removal in a granular layer at normal temperature and the analysis of the experimental results, the influence of filter particle diameter, layer thickness and filtration velocity on the dust removal efficiency was researched

    摘要在常溫下,採用固體層進行過濾除塵的驗研究,並對驗結果進行分析,探索了過濾介質徑、過濾層厚度和過濾速度對除塵效率和床層力差的影響。
  17. The conveying parameters were relatively optimized by adjusting the throat area of adjustable laval nozzle and pressure parameters, so that the foodstuff particle breaking rate during pneumatic conveying was decreased at certain extent

    通過調節可調式拉法管的喉徑以及各力參數現了輸送參數的相對最優,在一定程度上減輕了糧食在輸送過程中的破碎率。
  18. Two test methods are employed : one is loading the samples before thawing, and the other is loading the samples after completely thawed. the coefficient of thaw settlement as a function of granule, as a function of water, and also as a function of dry density are protracted ; besides, the consolidation coefficient of thawed samples as a function of granule, as a function of water, and as a function of dry density are protracted. we can discover from the test results that the thaw - settlement coefficient and the consolidation coefficient of thawed samples are mainly relevant to the granule, dry density and the water content they have little to do with the geology and geography factor of the frozen soils

    為了研究季節凍土區工業民用建築的基礎淺埋穩定性問題,特開展了有關季節凍土的融化縮特性的研究,先後在內蒙古農業大學三個比較典型的建築地點取了將近三百個試樣,在室內進行試驗,採取兩種試驗方法即先融化后縮試驗法和同時融化縮試驗法,通過對這三個不同地點的兩種不同的試驗方法的試驗結果進行對比分行,分別繪制了融沉系數與凍土的含水(冰)量、干容重以及級配的關系曲線;融化縮系數與凍土的含水(冰)量、干容重以及級配的關系曲線,由試驗結果發現凍土的融沉系數和融化縮系數都與凍土的含水量呈正向相關關系,可近似的用線性方程來表示;兩種驗方法的總沉降量與凍土的含水量呈正向相關關系,與凍土的干容重呈反向相關關系,也可以近似的用線性方程來表示。
  19. The measurement was made on a gas - solid fluidized bed in our laboratory. the pressure fluctuation signals were obtained and analyzed through power spectrum density. the relation of the particle size to pressure fluctuation and other parameters was studied by using fuzzy set theory

    驗室條件下對氣-固流化床的進行了測量,通過功率譜密度對所獲得的力波動進行了分析,並應用模糊集理論對尺寸與力波動及其它影響參數的關系進行了研究。
  20. Many researches have showed that the mechanical properties of al2o3 - matrix ceramics in which ti ( c, n ), tic or tin was dispersed could be improved a lot, which might be widely used in the field of machining. al2o3 - matrixed ceramics were fabricated by gas pressure sintering ( gps ) and gps with post - hip based on current techniques in this experiment. for al2o3 - ticn composite ceramics, the densitification process was controlled by the mechanism of solid phase sintering.

    大量研究表明:採用ti ( c , n ) 、 tic或tin作為第二相彌散所制備的氧化鋁基復相陶瓷相對al _ 2o _ 3單相陶瓷而言,性能有了顯著的提高這類復相陶瓷性能優良,在機械加工領域有著廣泛的應用前景本驗採用氣燒結( gps )以及gps結合熱等靜( hip )后處理兩種工藝制備氧化鋁基復相陶瓷。
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