顆粒硬度 的英文怎麼說

中文拼音 [yìng]
顆粒硬度 英文
particle hardness
  • : 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)
  • : 形容詞1 (堅硬) hard; stiff; tough 2 (剛強; 堅定; 強硬) strong; firm; tough; obstinate 3 (勉...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 顆粒 : 1 (小而圓的東西) pellet; bead; dust; anything small and roundish (as a bean pearl etc )2 (一...
  • 硬度 : hardness; solidity; scirrhosity (腫瘤的)
  1. Degenerate oligonucleotides to highly conserved regions of cucumis melo 1 - aminocyclopropane - 1 - carboxylic acid ( acc ) oxidase gene were used to prime the amplification of fragment of 128bp by ploymerase chain reaction ( pcr ) in samples of genomic dna from fruit of cucumis melo l. cv hetao flesh, which was cloned into plasmid vector pmd - 18 - t. the clon of antisense orientation were selected, and it was inserted downstream of camv35s promoter and enhancer " " of tmv into the plant expression vector pbinyxw, antisence expression vector pbinya was constructed. at the base that pollination and fertilization of cucumis melo l. cv hetao was studied, using pollen tube pathway transformate cucumis melo l. cv hetao, 76 fruit had been obtained, moreover, hardness and content of sugar were analysed

    本實驗以河套蜜瓜果肉基因組dna為模板,用甜瓜acc氧化酶基因特異寡核苷酸鏈為引物進行pcr擴增,得到128bp的擴增產物。將得到的擴增產物克隆到質載體pmd - 18 - t上,篩選反向克隆,然後將其反向構建到植物表達載體pbinyxw的camv35s啟動子和tmv增強子「 」的下游,構建成反義表達載體pbinya 。並在對河套蜜瓜授粉受精生物學研究的基礎上,通過花粉管通道法轉化河套蜜瓜,共獲76瓜,並進行了和含糖量的分析。
  2. The impulse heavy current flows through sheet metal and explodes it, which can produce nanometer - metal granules. and the granules are sprayed over metal workpiece by accelerated power of electric field. the characteristics of rigidity and abrasion of the metal workpiece are greatly improved by this way

    讓沖擊大電流通過金屬片,使其爆炸,產生納米金屬,利用電場的加速作用,噴塗在金屬工件的表面,大大提高金屬工件的和耐磨性能。
  3. The age hardening characteristic of as - cast cu20ni20mn and cu20ni35mn alloys and the interface characteristic between the alloy and cast tungsten carbide were studied, and on the basis of this study, composites of cu - ni - mn alloy reinforced with different volume fraction ( 0 - 45vol. % ) and different size ( 42 - 362 m ) of cast tungsten carbide particles were made by vacuum hot - pressing liquid sintering technology. pin on disk two body abrasion tests have been performed with different size of sic abrasive under different loads

    本文研究了鑄態cu20ni20mn和cu20ni35mn合金的時效化特性及其與鑄造碳化鎢的界面特性,並在此基礎上以不同尺寸( 42 362 m )的鑄造碳化鎢為增強體,採用真空熱壓液相燒結技術制備了不同含量( 0 45vol . )的鑄造碳化鎢增強cu - ni - mn合金基復合材料;以不同的sic為磨料,在不同載荷條件下利用銷?盤磨損試驗機測試了復合材料的二體磨料磨損性能。
  4. Finally build the foundation to prepare the composites of structure and m - type ferrite with structure and function properties. the constituent phases, microstructure and crystal dimension and crystal coalescence, mechanical properties, magnetic properties of the composites were investigated by means of x - ray diffraction ( xrd ), scanning electron micrograp h ( sem ) and transmission electron micrograph ( tem ), mechanical testing instrument, vibrating sample magnetometer ( vsm ) respectively

    採用xrd技術鑒定復合材料的物相,利用sem , tem來分析srfe12o19及其復合材料的結構形貌,大小及結合情況,使用伺服材料實驗機、洛氏計及振動樣品磁強計( vsm )測試了復合陶瓷的抗彎強及其磁性能,並探討它們之間關系。
  5. Results of experiment show that the reason of strength decreasing of gypsum added with retarders is that the retarders reduce the supersaturation of liquid phase, and makes the crystal grain largen, and pore is followed to worsen, which lead to the strength drop to a large degree

    實驗結果分析表明:在摻加緩凝劑后石膏化體強下降的原因在於緩凝劑降低了石膏的液相過飽和,使結晶變大,使石膏的孔結構惡化,最終導致了宏觀強大幅下降。
  6. 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,採用熱壓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、以及緻密,對試樣進行了干滑動摩擦磨損實驗。
  7. Marvellous effect of eliminating stress and improving strength : with its strong interior structure, invulnerability to breakage and evenly distuibuted sizes, has marvelous effect of eliminating stress and improving the surface structure of the workpieces

    具有消除應力,提高強的效果鋼絲切丸內部結構組織嚴密,不易破碎,分佈均勻,可起到消除應力,提高工件表面之效果。
  8. Marvellous effect of eliminating stress and improving strength : steel grits, with its strong interior structure, invulnerability to breakage and evenly distuibuted sizes, has marvelous effect of eliminating stress and improving the surface structure of the workpieces

    具有消除應力,提高強的效果鋼砂內部結構組織嚴密,不易破碎,分佈均勻,可起到消除應力,提高工件表面之效果。
  9. Marvellous effect of eliminating stress and improving strength : stainless steel shot, with its strong interior structure, invulnerability to breakage and evenly distuibuted sizes, has marvelous effect of eliminating stress and improving the surface structure of the workpieces

    具有消除應力,提高強的效果內部結構組織嚴密,不易破碎,分佈均勻,可起到消除應力,提高工件表面之效果。
  10. Marvellous effect of eliminating stress and improving strength : ss steel shot, with its strong interior structure, invulnerability to breakage and evenly distuibuted sizes, has marvelous effect of eliminating stress and improving the surface structure of the workpieces

    具有消除應力,提高強的效果: ss鋼丸內部結構組織嚴密,不易破碎,分佈均勻,可起到消除應力,提高工件表面之效果。
  11. Through strength tests and xrd tests for cemented stone, the paper presents action mechanism of the nanometer materials in the cement hydration and hardening process : pozzolanic effect, filling effect, acceleration action for the cement hydration, and improving action for microstructure. from the four aspects, the modified mechanism of the nanometer silica fume and ordinary silica fume in cement paste are compared. the analysis results show that the particular properties of the nanometer silica fume include particle fineness, crystal structure and surface hydroxy, etc. a serial of laboratory tests are performed to study physical and mechanic properties of the clay with the addition of the nanometer silica fume

    結合水泥石強試驗和xrd試驗,從火山灰效應、填充效應、水泥水化促進作用和微結構改善作用等方面探討了三種納米礦粉在水泥水化化過程中的作用機理;從這四個方面出發,對比分析了納米硅粉和普通硅粉作用機理的異同點,分析表明,納米硅粉的優異特性主要表現為、晶體結構、表面羥基等特性。
  12. The effect of nano - powders on the hardness, wear resistance, corrosion resistance, temperature tolerance and antifrication of composite coating were reviewed along with the co - deposition mechanism and development of nano - powder composite coating in recent years

    摘要綜述了納米在復合鍍層中對提高鍍層的、耐磨性、耐蝕性、耐高溫性能、減摩性能的作用,以及近年來有關納米在復合鍍層制備過程中的沉積機理及其研究與應用現狀。
  13. Yellowish or grey, the grains are single crystal with great strength, toughness and hardness

    黃色或灰白色,系單晶體、、韌性、強都比白剛玉高。
  14. The vc - fe surface composite shows high wear - resistance, it ' s wear - resistance is 4. 20 times as that of chilling respectively. with the content of v increasing, it ' s rigidity and wear - resistance increases continually. more vc grains gained, and well distributed, better wear - resistance the vc - fe surface composite will show. ( 7 ) surface cermet composite was formed by the means of cast - sintering technique, with the help of adding wc grains and the quantity of heat sent out from the reaction v + c vc, the carbide cermet quality percent exceeds 60 %

    在重載干滑動摩擦條件下, vc一fe表面復合材料顯示了很高的耐磨性,其相對耐磨性是可淬鑄鐵的4 . 2倍:隨著含v量的增加, vc一fe表面復合材料的鑄態和耐磨性不斷提高, vc越多,分佈越均勻,表面復合材料的耐磨性就愈好。
  15. Granule which dimension is millimeter only is used generally, the micron can have the ability of enhance, the nami will be exceed, the define of microscope granule measure is all of data which can be scaled and statistic included geometry, pileup, combination, make up, object shape, micro hole. the basic object which is discussed by the article and software is granule dimension ( length, granularity ) and orientation measure

    毫米僅具常規性能和常規用途,微米( 10 ? 0 . 1微米)具增強功能(力學增強、流態化能力增強、磁力增強等) ,納米( 100 ? 0 . 1納米)具超常功能(韌性陶瓷? ?摔不碎,超銅材? ?提高500 , 750低熔銅、黑色白金、隱形材料等) 。
  16. After heat treatments, the granularity of powders increases and ultraf ine grains decreases. cracks appear on the surface of powders. so the rigidity of powders descends

    熱處理后粉末的增大,微細的比例減小,表面出現裂紋,降低了粉末的,同時粉末團聚作用減弱。
  17. Secondly, the effect of transverse deforming on the property of the wedge pressing was studied. the results showed that : the wedge pressing stock with the transverse deforming amount of 10 % acquired the best performance. the highest density got the biggest rate of slope while with the amount of 30 % the curve was more some special structure and performance as following : the large porosities was crushed into small or linear ones with the high - direction deformation amount of 20 % ; as the increasing of the high - direction deforming, the particles got a further deforming, the porosities got a further crushing, the small porosities were mergered by the large ones and the former then disappeared ; when the amound reached 60 %, the quantity of the porosities would obviously decrease which made the materials compact, the microstructure more uniform and the density and hardness curves more horizontal, the relative desity could reach 99. 7 %, the tensile strength b of the as - compacted samples reached 408mpa with the yield strength s teached 289mpa and the elongation percentage reached 13. 6 %. in addition, the microstructure of the wedge pressing stock under the pressing temperectureof 450 was uniform, the porosities and the boundries of the grains basically disappeared and the conjunction between particles was great

    採用雙向楔形壓制,大尺寸噴射沉積5a06鋁合金楔壓坯的組織和性能變化具有如下特點:當高向變形量為20 %時,大的孔洞變形破碎為小的孔洞,或呈線狀孔;隨著高向變形量的增加,進一步變形,孔洞進一步破碎,大孔「吞併」小孔,小孔塌陷並逐步消失;當高向變形量達到60 %時,孔洞量大為減少,材料基本緻密,組織趨于均勻,楔壓坯料的密變化曲線接近水平線,坯料的相對密達99 . 7 % ,抗拉強_ b = 408mpa ,屈服強_ ( 0 . 2 ) = 289mpa ,延伸率= 13 . 6 % ;對比其它的壓制溫,在450楔形壓制的坯料組織均勻,孔洞及邊界基本消失,之間冶金結合良好。
  18. The results showed that sic particles dispersed uniformly in the composites, that the composites " hardness increased with the increasing volume fraction of sic particles, and that the composites had the outstanding wear resistance properties that were superior to the matrix alloy

    結果表明, sic在復合材料中分佈均勻;復合材料的隨sic體積含量的增加而增加,且比基體合金的高; sic增強鋁基復合材料具有優良的耐磨性能,且優于基體合金。
  19. And the microstructure, the hardness and the wear resistance properties of complicated parts had also been studied and analyzed. the results showed that under the same experiment condition, the semi - solid flow and deformation properties of the composites increased with the increasing of the sic particles " volume fraction which below 12 %, that he composite reinforced with different volume fraction of sic particles were die - cast into complicated parts successfully, that sic particles dispersed even more uniformly in their complicated parts, and that he complicated parts " hardness was better than the composites "

    結果表明,在sic體積含量低於12的情況下, sic含量越高,復合材料的成型性能越好; sic增強鋁基復合材料能夠用壓鑄的方法制備復雜壓鑄件; sic在壓鑄件中分佈更為均勻,且呈單;壓鑄件的比復合材料鑄錠的高; sic增強鋁基復合材料的壓鑄件耐磨性高於復合材料鑄錠。
  20. Recently, discrete particle model in which particles are directly tracked was paid widely attention due to the great development of computer hardware. in this model, gas phase is treated as continuous medium, and particle phase is treated as the discrete system. because particle movement is investigated in the particle - level, the multi - scales structure of fluidized bed can be simulated in both particle - scale and macro - scale

    近年來,由於計算機體的飛速發展,直接對進行跟蹤的離散模型得到了廣泛的關注,此類模型將流體相處理為連續介質,相處理為獨立的離散體系,由於它對相運動進行的是層次的分析,因而可以從與宏觀尺模擬流化床氣固兩相流的多尺結構。
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