characteristic size 中文意思是什麼

characteristic size 解釋
特徵尺寸
  • characteristic : adj 有特性的;表示…特性的,…特有的。 Japan s characteristic art 日本特有的藝術。n 特性,特徵,性...
  • 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. Because of the assemble - ease characteristic of oxide, the adscititious powder agglomerates added into al melt have a bigger size and need more time to finishing the in - situ reaction in mixing melt

    氧化鐵粉末由於極易團聚成大尺寸粉末團,不易分散細化,大大增加了其徹底反應所需的時間。
  2. This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims

    對高壓背壓式氣動測量用於小量程線性尺寸測量的靜態特性曲線的理論工作拐點進行了推導,對氣動測量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計,對主噴嘴和測量噴嘴的不同組合,將影響測量系統靜、動態特性指標的噴嘴參數進行了對比實驗和優化設計,並通過實驗驗證了理論推導,從而使氣動測量系統量程的示值范圍達到40 m ,靈敏度達到100mv m ,解析度達到0 . 05 m ,測量不確定度小於0 . 2 m ,滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分組的要求。
  3. Firstly, the surface characteristic of polystyrene particle is changed from water detesting to water intimity by using special techniques and admixtures so mat the compound quality with inorganic materials is insured. secondly, the contradiction between the weight and strength is solved through optimizing the particle size and using composite fiber and the best heat conductivity is achieved under the condition that the necessary strength is met. in the research process, the author solved the problem of fiber dispersing in insulating materials so that the contraction of the material is controlled

    課題研究中,首先採用特殊的改性工藝及外加劑實現對聚苯乙烯顆粒表面的成功改性,使其表面由憎水轉化為完全親水,確保與無機材料的復合質量;其次,通過採用優化骨料級配及使用復合纖維等措施解決了保溫材料的輕質與強度的矛盾,使保溫材料在滿足必要的強度的前提下,導熱系數降至最小;並且,課題研究中成功解決了纖維在保溫材料中均勻分散的問題,達到了抑制保溫材料收縮的目的;最後,通過採用復合外加劑、合適的膠凝材料及合理的配比等措施確保該保溫材料具有良好的和易性,滿足施工的要求。
  4. This paper referred to the massive domestic and foreign technical material, elaborated in the sheet forming value simulation theory essential technology in detail, points out when analysis sheet forming question should use the big distortion ball plasticity fem and introduce the application characteristic and the function summarizes of the sheet forming simulation software dynaform. secondly, analyzed the cover forming characteristic, simultaneously introduced the influence cover forming factor in detail : such as ramming direction, the craft addendum surface and the material pressing surface, the radius of convex - concave mold, draw bead, pressure strength, blank size and craft margin and so on. and simulates many typical automobiles cover panel with software : such lateral board, back taillight pedestal and storage cover

    其次,分析了覆蓋件成形的特點和要求,同時詳細介紹了影響覆蓋件成形的因素如沖壓方向、工藝補充面和壓料面、凸凹模圓角、拉延筋、壓邊力、坯料尺寸和工藝切口等,並用數值模擬軟體對多個典型的汽車覆蓋件汽車后側圍板、后燈座以及轎車后備箱蓋的沖壓成形情況進行模擬,用模擬結果優化拉延工藝方案,比較了內覆蓋件和外覆蓋件在成形特點和要求的一些異同點,以及常見的起皺、拉裂和回彈、成形不足等缺陷的產生機理和相應對策,重點介紹工藝補充面和壓料面的設計及優化方法,因為拉延是沖壓工藝的關鍵工序,而工藝補充面和壓料面的設計是拉延工序的關鍵,對消除缺陷至關重要。
  5. 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合金的時效硬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 )的鑄造碳化鎢顆粒為增強體,採用真空熱壓液相燒結技術制備了不同顆粒含量( 0 45vol . )的鑄造碳化鎢顆粒增強cu - ni - mn合金基復合材料;以不同粒度的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。
  6. According to the minimum principle in energy, we analyze the microcosmic mechanism of magnetic domain construction and the main factor that affect the shape, size and connecting of the magnetic domain etc. from the microcosmic mechanism of ferromagnet, we analyze how stress influence the magnetic domain and magnetic domain wall, and discover the increase of stress energy and magnetism elasticity energy which destroy the balance of system energy make up the influence of magnetic domain structure, then set up basic disciplinarian between stress and characteristic of magnetism

    同時根據能量最小原理,從理論上分析了磁疇結構存在的微觀機理以及影響磁疇結構運動、變化的主要因素,得出了應力的存在將影響磁疇的形狀、大小和搭配方式等結論。從鐵磁晶體的微觀機理出發,研究了應力對磁疇和磁疇壁的影響,發現應力影響磁疇結構的本質是由於應力的作用使得鐵磁晶體增加了應力能和磁彈性能,體系為了達到新的平衡,導致了磁疇結構變化,並研究了應力與鐵磁晶體磁特性之間的基本規律。
  7. We rounded analysis that ring stator ’ size parameter how to affect ring stator ’ characteristic frequency by use the software for numeric analysis, and afford theoretical foundation for the optimum design of ultrasonic motor ’ structural parameter

    本文還利用分析軟體,全面地分析了定子圓環各個尺寸參數對特徵頻率的影響,為超聲波電機結構參數的優化設計提供了理論依據。
  8. By performing fourier transformation, the relationship between the turbulent intensity of the particle and that of the carrier fluid was obtained which makes clear that particle size, specific gravity, velocity gradient, and the characteristic frequency of energy - containing eddies are four basic influencing parameters. it is proven theoretically that under certain conditions, the stream - wise and transverse particle turbulent intensities exceed those of the carrier fluid. based on the equations of two - phase flow, the presence of fine sediment suspension is shown to attenuate the turbulent intensity of the water

    通過對細小顆粒在剪切流場中運動方程的fourier分析,得到了顆粒脈動強度和流體脈動強度之間的定量關系,表明顆粒粒徑、顆粒密度、流速梯度以及紊動場含能旋渦的特徵頻率是影響顆粒脈動強度的主要因素,首次從理論上證明了在一定條件下,顆粒在縱、垂向的脈動強度均會超過相應的流體脈動強度,為已有的實測資料提供了合理的解釋。
  9. Each surfactant manifests a characteristic concentration ? critical micelle concentration ( cmc ) ? at which micelles of characteristic size will form

    每一種表面活性劑有一個特有的濃度? ?臨界膠團濃度( cmc ) ? ?形成特定尺寸膠團的濃度。
  10. Size effect on the dynamic characteristic of a micro beam based on cosserat theory

    理論的微梁振動特性的尺度效應
  11. There was no difference in other biologic characteristic of mscs between the two separation method, such as cell anchorage ratio and clone formation ratio. ( 2 ) plga film presented uniformity frame with no protuberance and fissure under scanning electron microscopy ( sem ). big aperture with smooth wall and average 400 m i n size running - through each other was observed in porous plga substrate, around the big aperture there were many round micropores about 5 m size. all of the structure were equal and uniform, which satisfied the further research work. ( 3 ) mscs adhesion at earlier time was promoted by biotiegenrafter 3h, cell number was ( 1. 5 0. 18 ) 105 in the plga film coated with biotiegen group, which was significantly higher than that in plga film group ( p < 0. 01 ) and higher than that in coverslip group ( p < 0. 05 ), which cell number was ( 1. 04 0. 21 ) 105. after 6h and 12h biotiegen could not promote cell adhesion, and cell proliferation and alkaline phosphatase ( alp ) activity were not promoted dramatically during 9 days. ( 4 ) cell adhesion was promoted by fibronectin or collagen type i

    G ) i型膠原、纖維粘連蛋白促進細胞增殖,細胞接種后3 、 6 、 gd三個檢測時間點,實驗組細胞均明顯高於對照組。與1型膠原相比,纖維粘連蛋白刺激作用更強。 ) i型膠原、纖維粘連蛋白尚能誘導mscs細胞向成骨細胞分化,不僅表達成骨細胞標志物ocn 、 alp 、 opnmrna ,而且堿性磷酸酶活性明顯增高,堿性磷酸酶及鈣結節7第四軍醫大學博士學位論文一染色均強陽性, i型膠原組mscs細胞堿性磷酸酶活性較fn組更高,有顯著性差異;同時,兔疫組化染色表明,經纖維粘連蛋白作用的mscs1型膠原表達陽性。
  12. In order to grasp the urban system processes and evolution pattern of hunan province comprehensively, this article has made further discussion on its structure characteristic : through regression analysis, graph analysis and statistics analysis of the time series data and cross sections data, by combining with the fractal theory, we induce the following conclusion : the hierarchical size structure presents the law of the primate city, the rank - size rule and pyramid structure characteristic, but it also has the insufficient development problem of the high hierarchical size city. by using the gravitation model, we found out that the economy relation intensity among those main cities is weak while the structure is loose. based on the urban layer system of economic development level and industrial structure evolution of the cities in hunan province, this article then induces the function combination among the five urban agglomerations in hunan province

    為全面把握湖南城市體系的運演規律,本文對其結構特徵作了進一步的探討:通過時序數據和截面數據的回歸分析、圖表分析和統計分析,結合分形理論,得出了其等級規模結構分佈呈現出首位分佈、位序?規模分佈和金字塔結構特徵,以及存在著高層次城市發展不足的問題;運用場引力模型發現該省主要城市間的經濟聯系強度較弱、結構鬆散,在歸納出該省城市經濟發展水平的層次體系、產業結構演變的基礎上,導出了該省城市體系的五大城市群職能組合;結合空間結構體系、路網交通條件和經濟發展狀況,對該省城市空間分佈狀態進行了定性分析,研究表明該省總體上處于極化階段,各個具體區域,分佈階段不一,差異較大。
  13. This paper includes five parts. the first is to review the study on the subject ; the second is to discuss the characteristic of chian ' s stock market. the change of money - admitted policy and the questions on the study. the third is to verify the size effect in china ' s stock market by using correlation test and regression test on the bases of four different criterions, each criterion will be applied with two time - series methods. the fourth is to summary the main character of four different criterions, and apply joint test to the criterions that were proved the best concerning the size effect. the illiquidity risk was introduced to the study, the indexes of turn - over rate and the fluctuation of turn - over were used here. however, other factors that may influence the invest return rate as circulating rate and size were also included. according to the result, the size effect will be interpreted. the fifth is to summary the size effect and its explaination, and then to provide some useful invest strategies based on the conc lusion above

    論文分五部分,第一部分對小公司效應的有關研究文獻進行回顧;第二部分我國股票市場的狀況、資金供給政策的變化和我國股票市場實證的相關問題進行論述;第三部分對我國股票市場的小公司效應按照四種不同的規模標準分類,每一種標準均分兩種不同的統計周期分段標準進行實證分析;第四部分小結不同的規模分類、不同統計周期分段的統計結果特徵,然後對小公司效應最明顯的規模分類標準進行多因子聯合回歸分析,這里引入了流動性風險因素,其用換手率和換手率波動指標來衡量,還分別引入了其它影響投資收益率的因子,分別是規模、流通比例。
  14. The characteristic of different products at different calcinating temperatures and time, ph value of solution, raw materials were investigated. the results show that perfect spinel li4mn5o12 crystals whose size belongs to nanometer can be obtained from the precursor of lithium manganese oxides after being calcinated. it is founded that calcinating temperature has great influence on the crystal structure of li4mn5o12 and the optimized temperature is 500

    結果表明焙燒溫度是影響產物結構性能的最重要的因素,最佳焙燒溫度為500 ,溫度小於200不能形成完整的尖晶石結構,而焙燒溫度超過500產物會發生分解;綜合考慮焙燒時間最佳為8小時;溶液ph值也是影響產物性能的因素之一,實驗證明前驅體合成ph = 9 . 0最佳;另外不同的原料也會影響產物的結構,考察了不同鋰源的影響,選擇li _ 2co _ 3為最佳鋰源。
  15. According to dynamical characteristic of the bubble motion in the flow field, and under the assumptions of isothermal system without interior heat source, uniform bubble size, and ignoring surface tension, the mathematical expressions for interfacial momentum exchanges have been deduced which include drag, virtual mass force, and lift

    針對氣液泡狀流中氣泡運動力學特性,在系統絕熱、無內熱源、忽略表面張力、氣泡尺寸均一前提下建立了氣液相間曳力、虛質量力、升力的數學模型表達式。
  16. Statistical characteristic of fatigue strength of contact wires was obtained by comprehensively considering such coefficients as stress concentration, size and surface quality

    綜合考慮了接觸線應力集中系數、尺寸系數、表面質量系數和材料疲勞強度的影響,得到了接觸線疲勞極限的統計特徵。
  17. The research object in this text is the actual project - - the mansion of yatingyuan ( 40 layers above the ground, 125. 4 meter high ). the structure - design is by satwe and the analysis of the structure dynamic characteristic and earthquake response by sap2000, whose calculation models are set up according to the actual size of the structure. in satwe, the analysis model of beam and column is simulated by frame - element, slab is plane - element, shear - wall is wall - element and slab is infinitely rigid in the internal and zero in the external ; in sap2000, beam and column is frame - element, slab and shear - wall is shell - element and slab is elastic floor

    本文以實際工程項目? ?雅庭園商業中心大廈(地面以上40層,建築總高度為125 . 4米)為研究對象,結構設計採用satwe ,結構的動力特性和地震反應分析採用sap2000 。結構satwe和sap2000分析的計算模型均按結構的實際尺寸建立, satwe分析模型的樑柱採用桿元模擬,樓板用薄壁殼元模擬和剪力墻用墻元模擬,樓板平面內無限剛、平面外剛度為零; sap2000分析模型的樑柱採用桿元模擬,樓板和剪力墻用殼元模擬,樓板為彈性板。
  18. To identification when lumber intervertebral discs protrusion happen and how it happen is more and more important and urgentent. we will study clinical situation and mri of lumber intervertebral discs protrusion, recording percentage changes of mri signal intensity and other image characteristic. we will study mri signal intensity of protruded nucleus pulposus, the size of protruded nucleus pulposus, discs hight, neural root compression degree, thicken ligamenta flava, discs degeneration degree, protrusion type and their relation with incident time

    本研究擬對已知不同突出時間的腰椎間盤突出患者進行詢問病史、體格檢查和磁共振掃描,記錄臨床表現、突出時間、突出髓核及同層間盤的信號強度、突出髓核大小、突出間盤厚度、有無神經根受壓、有無黃韌帶肥厚、突出間盤變性程度、突出類型等指標,觀察突出時間不同的腰椎間盤的臨床表現及磁共振表現特點,尋找與腰椎間盤突出時間相關的指標,並根據臨床表現及磁共振所見初步判斷腰椎間盤突出的時間。
  19. We also make empirical study on factors determining executive compensation structure, which include ownership characteristic, proportions of non - tradable share holders of different types, management structure, industry, size of firm and it ’ s performance. after analyze theoretically and empirically executive compensation problems in china ’ s listed company, this paper further to develop an approach to improving executive compensation structure

    同時,對影響管理層激勵因素的實證研究表明:上市公司所有者性質、不同類型的非流通大股東持股比例、管理層結構、行業特徵以及公司的經營狀況和規模是顯著影響管理層激勵的主要因素。
  20. 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。
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