晶粒大小分佈 的英文怎麼說

中文拼音 [jīngxiǎofēn]
晶粒大小分佈 英文
crystallite size distribution
  • : Ⅰ形容詞(光亮) brilliant; glittering Ⅱ名詞1. (水晶) quartz; (rock) crystal 2. (晶體) any crystalline substance
  • : 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)
  • : Ⅰ形容詞1 (體積、面積、數量、強度等不大) small; little; petty; minor 2 (年紀小的; 年幼的) youn...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  1. Beryllium powders with the same particle size and various contents of beo were prepared by pre - sintering - acid washing processes initiatively and the influence of beo alone on o mys of beryllium was observed and some new results have been obtained - compared with the content of beo, the distribution of beo in beryllium has more critical influence on mys ; finely dispersed beo along the grain boundaries and in the matrix results in the dispersion strengthening of beryllium matrix and thereby the higher mys value ; on the contrary, the coarser beo particles clustering on the grain boundaries results in negative influence on o mys

    開創性地用預燒結? ?酸洗工藝制備了相同度、不同beo含量的鈹粉,從而開展了beo含量單獨對鈹材_ ( mys )影響的研究,得出一些新的結果:與beo含量相比, beo在鈹中的狀態對_ ( mys )的影響更。沿界、內彌散的較細beo對基體鈹有彌散強化作用,使_ ( mys )即較高;如果beo較粗地成簇狀聚集在界,反而對_ ( mys )有不良的影響。
  2. The cobalt can also be strengthened by the difference of the hot expansion coefficient between cobalt and ceramic

    氮氣保護試樣表而各元素很不均勻,相差很,有較多的異常長相。
  3. Experimental results show that the order of fluoride salt being put in and flux type also influences the phases constitution, morphology, distribution and absorbent rate of ti and b. the experiments on remelting master alloys and al or al alloys at a certain temperature range show that the phases constitution and size have a remarkable heredity

    試驗結果表明,不同的氟鹽加入順序和熔劑種類的不同也直接影響著中間合金中化合物的相組成、形態、以及中間合金中ti 、 b的實收率等。在用純鈦顆法制備中間合金時,熔煉溫度的改變只能影響tial _ 3體的尺寸,而無法改變其形態。
  4. The microstructure of lamellae pearlite has evolved ultrafine cementite particles throughout the ferrite matrix uniformly after five passes. the ferrite matrix is homogeneous grains, average grain size is - 0. 3 m. 2

    變形五道次后,片層狀的珠光體組織演變成了超細的滲碳體顆均勻於鐵素體基體的組織,鐵素體基體為均勻的等軸,平均為0 . 3 m 。
  5. The nanoparticle titanium dioxide was prepared with tnb as raw material by the sol - gel process, the effects of the alcohol salt concentration the kind of solvent the water volume hydro1yze temperature. the dried ways of the wet gel and the calcined temperature of the dry gel on the specific surface area. particle size

    本文以鈦酸丁酯為前驅體,利用溶膠?凝膠法制備了納米級的tio _ 2粉體材料,通過正交實驗研究了醇鹽的濃度、溶劑的種類、水含量、水解溫度、乾燥條件和煅燒溫度等工藝條件對納米子的比表面積、相組成等性能的影響。
  6. The microwave magnetic sintering can not only lower the sintering temperature and shorten the sintering time, but also decrease the micro - grain size of magnets and make intergranular phase and grain boundary of main phase distributed well. the abnormal grain growth was found in conventional sintered ndfeb magnets, which may be due to the greater particle size and uneven distribution of powder, and higher sintering temperature and longer sintering time. of course, the abnormal grain growth would deteriorate the magnetic properties

    微波磁場燒結的不但降低燒結溫度,縮短燒結時間,而且使磁體整體加熱,受熱更均勻,因而磁體更細,並且主相邊界趨于規則化,間相的更均勻;在常規燒結的磁體中則出現了異常長現象,造成這一現象的原因,一方面可能是燒結溫度過高或燒結時間過長,另一方面可能是磨製的粉體均勻性較差,存在的被許多細包圍,在燒結過程中,不斷吞併,逐漸長,而異常長自然會導致磁體性能的惡化。
  7. The analyses of their microstructure showed that comparing with zl101 that contained no titanium, the trace amounts of titanium in alloys caused grain refining of al - l % si in zl101a prepared from electrolytic low content titanium aluminum alloy ( i. e. alti101a ) and zl101a prepared from electrolytic al - si - ti alloy ( i. e. ast101a ), and the grain size distribution became more even, whereas the trace amounts of titanium have little influence on the size and shape of si particles in these alloys

    微觀組織析結果表明,相對于不含鈦的zl101 ,微量的鈦可以使電解低鈦鋁合金制備的zl101a ( alti101a )和電解鋁硅鈦合金制備的zl101a ( ast101a )的( al )相的細化,晶粒大小分佈均勻,但對它們的si子尺寸和形貌影響不
  8. We apply the system to the ultra - fine grain steel welding, the simulated mean grain size in cghaz agreed well with the corresponding independent experimental data. in this paper, three factors influencing the grain growth, the steep temperature gradient in haz. the grain boundary liquid and the precipitates particle, were studied specially using mc technique

    研究表明溫度梯度造成的「熱釘扎」現象和界液化現象都對靠近熔合線附近的有明顯的阻礙作用,對最終的晶粒大小分佈有重要的影響:而800mpa超細鑰中的tin子山于溶解溫度高,抑制奧氏體的效果十顯著。
  9. This edta route has several remarkable advantages in comparison with other method. because of the greater ability of edta anions to chelate metal cations, and forming very stable and soluble complexes, all of the starting materials are mixed at the molecular or atoms level in a solution, it is easy to control the composition and a high degree of homogeneity is achievable

    傳統的合成方法是高溫固相反應,由於灼燒溫度高、灼燒時間長,形成硬團聚體,產物徑較,一般為m級,需進行球磨粉碎以減少其徑,很難制得均相、均一的氧化物粉體,在研磨過程中容易引入雜質且形破壞使得發光亮度減
  10. The highest jc of 8. 64 105a / cm2 at 10k, 0t was obtained in the un - doped mgb2 / fe tape sintered at 800 for 15 minutes by sps. it is worthwhile to note that the jc value was decreased much slowly in this sample with the increase of the testing temperature and magnetic field. for example, the jc was 5. 97 105a / cm2 at 20k, 0t, and at 20k, 3t the jc value was

    從目前試驗結果看,摻雜量為5mol %時線材性能較好,樣品的臨界電流密度在自場下達到6 105a / cm2 ,並且sic摻雜改進了樣品在高場下的jc值,在4t時,摻雜線材樣品的臨界電流密度超過未摻雜樣品,這是由於sic的摻入生成了細均勻的mg2si ,
  11. Although the resistance to oxidation increases with the increase of tungsten, the netlike carbides distributed along the crystal boundary including m2c, m6c and complex carbides manifold by means of the analysis of optical microstructure, xrd and reckoning the volume fraction of carbides by lattice

    1變質時;在扣100pm之問,而網狀碳化物明顯細化,網狀碳化物處在10 30um之間;用1 4 re1i mg復合變質后,在10 50um之間,網狀碳化物處在10 20um之間,組織細而均勻,絕界碳化物呈斷網狀
  12. The results show that a certain extent, the other parameters constant, increasing power, increasing scanning speed, small grains become more dense ; the good and bad of metallurgical belt, the cellular crystal thickness and the availability and distribution of inclusions are affected by the parameters

    結果表明:在一定范圍內,其它工藝參數不變,增加功率,增掃描速度,更趨緻密細;工藝參數影響冶金結合帶的優劣、胞狀區的厚薄以及夾雜物的有無和
  13. The size of the zno nanocrystal grain was so little that the quantum confinement effect should be considered. that makes the band gap wide. atom transfer rate is affected by the substrate temperature, and the average size of the zno nano crystal grain increases with the increasing substrate temperature resulting in the red shift of pl emission position and the narrowness of pl fwhm

    低溫生長的氧化鋅,考慮到量子限制效應,禁帶寬較;襯底溫度影響吸附原子遷移能力,隨著溫度升高,的尺寸增變的均勻,因而發光峰位隨著襯底溫度的升高而紅移,發光的半高寬變
  14. The analysis of microstructure of samples showed that the grain of tio2 were very small under 700, the distance of grain became small with temperature increasing, the rate and size of pore was decreasing. the relative density of sample at 900 was 97 % and the grain size of sintered body was about 200nm. when the temperature exceeded 1100, the grain size of body grew up several times ( > 2 m )

    Tio _ 2燒結體sem顯微形貌析表明:低溫( 700 )時坯體內顆無明顯長,燒結體緻密度不高( 80 )間距隨溫度升高而變,氣孔率也隨之降低,氣孔尺寸變;當溫度超過900時,間連接緊密,燒結體內出現量絮狀物質,緻密度幅度提高,達97以上,氣孔已聚集成孔洞且均勻,不明顯( 200nm左右) ;當溫度超過1100時,燒結體緻密度有所提高,但尺寸出現異常長,長了十幾倍(達2 m以上) 。
  15. For adapting to the need of industrialization and improving the properties of materials, the method of mechanical activation has introduced on the basis of traditional calcinations at high temperature. the stardard spinel limn204 is prepared by the mechanical activation - high temperature solid synthesis method. the thermodynamic property, the physical - chemistry performance and the producing techniques of. battery have been studied by means of thermogravimetry ( tg ), differential scanning calorimetry ( dsc ), x - ray diffraction ( xrd ), scanning electric microscopy ( sem ) as well as various electrochemical analysis methods. studies show that synthesis temperature, calcinations time, recipe of raw materials, heat treatment and particle size of products are main factors affecting the performances of limn204 cathode materials. with the increment of synthesis temperature and time, the structure and crystal of products are getting to perfect

    隨著合成溫度和時間的增加,產物的結構和型越趨于完善,但在1100得到的產物有燒結和的現象,恆溫時間超過24h后對材料的性能影響不是很; li mn比在0 . 95 1 . 05 2的條件下都可得到標準的尖石limn _ 2o _ 4 ,尤其當li mn比為1 . 05 2時,所合成的材料具有較好的電化學性能;通過兩段合成法制備的產物性能要比一段合成法法制備的產物性能好,而兩段間隔合成法比兩段連續合成法處理的材料性能更佳;顆度隨著球磨時間的延長而減,比表面昆明理工學碩士學位論文摘要卻增范圍窄的材料有利於鏗離子的擴散。
  16. The forming - nucleus drive power could form numerous little crystal nucleus under natural melting temperature. the formation of tic particles in the melt could be divided into two phases which was forming - nucleus and growth. the forming mechanism of tic was : melting ti first surrounded c, then ti melting in the alloy and c formed a complicated reaction mesosphere on the carbon surface

    根據熱力學及動力學析,認為在碳顆界面處tic的形核率很高,形核驅動力足以在正常的熔煉溫度下形成眾多的核;熔體中tic顆的合成可為形核與長兩個階段,其形核機制為:首先活性ti原子包圍c ,溶入合金中的ti與c在碳表面形成一復雜反應中間層,隨著反應進行, ti和c顆不斷減少,生成的tic不斷彌散於熔體中;其長過程伴隨著tic顆的相互堆砌、聚集和形態規則化。
  17. It was showed that the dlc gradient film has a smooth surface with noncrystal amorphous structure, its surface vicker ' s hardness was as about three times as that of ti6a14v alloy substrate, and high adhension strength of no less than o. sgpa between dlc film and substrate was estimated by liquid quench method

    類金剛石薄膜梯度材料由均勻,表面光滑的非態微組成。表面顯微硬度約為ti6a14v合金基體的3倍。薄膜與基體之間的結合強度不低於0 . 8gpa 。
  18. In this research, nanosize tio2 were prepared by wet chemistry method. the effects of technical condition, ion doping and noble metal modification on crystal structure of ti02, crystal size and its distribution, spectrum and photocatalytic activity were studied in order to prepare nanosize tio2 of high photocatalytic activity. effect factors such as temperature in photocatalytic process were also studied

    本工作選用濕化學方法制備納米tio _ 2光催化劑,研究制備工藝條件、離子摻雜和貴金屬沉積等對納米tio _ 2體類型、,光譜性質和光催活性的影響規律,以期研製出具有高光催化活性的納米tio _ 2光催化劑;同時研究光催化過程中光催化環境溫度等因素對光催化活性的影響規律。
  19. Results show that zro2 - ni cermet has clear crystalline interface and uniform distribution. its crystal size is 0. 3 p m. through analyzing the data of specific heat of zro2 - ni cermet, it reveals that adulterating cobalt can enhance the wetting quality of ni and zro2

    用xrd 、 sem研究了zro _ 2 - ni - co金屬陶瓷的相結構和形貌,確定了合適的燒結溫度,結果表明,材料的均勻,界清晰,度在0 . 3 m左右。
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