空隙強度 的英文怎麼說

中文拼音 [kōngqiáng]
空隙強度 英文
cavitation intensity
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : 名詞1 (縫隙; 裂縫) crack; chink; crevice 2 (空閑) gap; interval 3 (漏洞; 機會) loophole; op...
  • : 強形容詞(強硬不屈;固執) stubborn; unyielding
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 空隙 : 1 (時間上的) interval 2 (空間上的) gap; space; clearance; separation; air gap (ag); slot; [...
  1. The solder is heated to its melting point in a reducing atmosphere, so that the joining takes place without flux as the solder fuses and then infiltrates the gaps between the two pieces to be joined by means of capillary action, creating a highly airtight seal

    在高精狹窄的中也能通過毛細管現象進行浸透並和母材焊接,因此可實現高氣密性,獲得比母材更高的
  2. Previous researchers have always determined the sp atial distribution patterns ( sdp ) of castanopsis kawakamii with a sample - dis tance method. however, the distribution patterns may be affected by the quadrat si ze and, in the course of analysis, the density differences among the cluster plots are not considered ; therefore, differences of cluster plot size and the dispersi on degree among individuals of cluster plots can not be known. authers of this pa per have determined the spatial distribution patterns of castanopsis kawakamii population in different habitats by means of non - quadrat distance method and a nalysed the pattern intensity and grain of the sdp. the pattern intensity is defi ned with the relative density differences and the pattern grain can embody the d ispersion degree of the individuals in the plots, and the dispersion degree among the plots. the determined results are as follows. the intensities of the species range in order from strong to week : litsea mollifolia p. kawakamii i. purpure a r. cochinchinensis c. kawakamii c. carlessii d. oldphamii s. superba. the gra ins of the species queue in order from coarse to close : s. superba = litsea mollif olia r. cohinchinensis c. kawakamii = i. purpurea c. carlessii p. racemosam d. oldp hamii. these determined results tally basiclly with the results authers of this paper have got in determining the same plots by means of aggregate index access ing method. in view of this, it is held that the sdp of c. kawakamii is closely related to the habitats and biological features

    前人都是採用樣方方法對格氏栲種群數量的間格局進行測定,而格局分佈有可能受樣方大小的影響,且分析過程中沒有涉及聚塊間密差的問題,因而無法掌握種群的聚塊大小差別及聚塊內個體間的離散程.本研究採用無樣方距離法,測定不同生境的格氏栲種群間格局,分析格氏栲種群格局的和紋理.以聚塊和間的密差來定義,紋理則是體現聚塊內個體間的離散程與諸聚塊間的分離程.測定結果表明,格氏栲種群格局從高到低排列次序為:木姜子蚊母樹冬青茜草樹格氏栲米櫧虎皮楠木荷;格局紋理從粗到細的順序是:木荷=木姜子茜草樹格氏栲=冬青米櫧蚊母樹虎皮楠.這一測定結果與作者採用聚集指標測定相同樣地格氏栲種群間格局的結果基本相符.因此,格氏栲間格局類型及分佈與格氏栲生物學特性及生境的關系密切
  3. Based on laboratory and in - situ tests, the influence of initial void on the rutting - resistance, moisture damage - resistance, strength and permeability of asphalt mixt is studied, and the appropriate ranges of air void of asphalt mixtures are analyzed and suggested

    摘要在室內試驗和現場測試的基礎上,分析初始率大小對瀝青混合料抗車轍能力、水穩定性、和滲透性能的影響,探討瀝青混合料率的界限值。
  4. According to the feature that deformation resulted from water absorption and mildew appear mainly on the rabbet surface of ccf, this paper adopts rsst to spray a special waterproof sealant on rabbet surface of ccf, so that the sealant can get into fiberboard to certain extent by means of capillarity and penetration, blockage the holes between fibers and capillary, cut up passage of water and change the properties of soakage and sorption to water in capillarity and fiber. at the same time, solidified sealant can form a compact waterproof pellicle on rabbet surface so as to prevent water and humidity from fiber ' s expansion and mildewing

    針對吸水變形、霉變主要發生在地板企口表面的特徵,採用企口表面全封閉法,在復合化地板企口表面噴塗特殊的防水封閉劑,使其依靠毛細管作用及滲透作用進入板內一定深,堵塞木纖維之間的及毛細孔通道,截斷水分傳遞的渠道,並改變毛細孔壁及纖維的表面性質以不利於水的浸潤與吸附,同時其固化后能在企口表面形成一層緻密的憎水薄膜,防止水分、濕氣從企口侵入板內引起木纖維膨脹變形、發霉等現象。
  5. Therefore, the purpose of this thesis is to look for a suitable preparing process for 3 - tcp with their micro - construction controlled more easily and the porosity rate and strength uniform. this paper created a new preparing method of porous ceramics, i. e. foam gel - casting technique, which integrated foam technique in porous ceramics preparing and gel - casting technique in structural ceramics preparing was applied to improve the preparing technique of porous p - tcp bioceramics in order to prepare ceramics bodies with high body intensity, controllable porosity and easily machining performance

    因此,本論文努力尋求一種適合於- tcp多孔陶瓷的制備工藝,使其微觀結構易於調節控制,率和達到平衡同一。在實驗中,結合了制備多孔陶瓷常用的發泡法和結構陶瓷制備中的注凝法,創新設計了一種新的多孔陶瓷成型方法? ?泡沫注凝法,對多孔- tcp生物陶瓷的成型工藝加以改進,制備出高、氣孔率可控以及易加工的陶瓷坯體。
  6. It is studied that the formation mechanism of taylor bubble and its control method in gas - liquid two - phase flow, which affects the pressure balance and mechanical driving efficiency in the flow of petroleum engineering. experiments show that the formation of taylor bubble in gas - liquid two - phase flow is due to the intensive congregation and amalgamation of small bubbles driven by void fraction waves and that the highly turbulent flow is able to restrain this formation. thus, the flow regime transition may be checked by increasing the flow turbulence and controlling the disturbed frequency

    對大管徑氣-液兩相流動中嚴重影響壓力平衡與機械驅動效率的段塞流生成機制和控制方法進行了研究,實驗證明段塞流的形成是由於率波的大幅增長使氣泡高集中,並形成聚並所致。湍流運動可以抑制taylor泡的形成。因此,通過化湍流或控制擾動頻率可以對氣泡聚並起明顯的抑制作用。
  7. The axial magnetic field distribution on center surface of contact gap and contact piece are calculated when the current is at peak. it can be found that the intensity of axial magnetic field and radial magnetic field uniformity are strengthened after the iron core is put into, this helps to improve the stability of the vacuum arc

    計算了電流峰值時觸頭間中心平面和觸頭片上的縱向磁場分佈,可以看出加入鐵芯后縱向磁場和徑向磁場均勻性增,這有利於提高真電弧的穩定性。
  8. The results indicate that hp can promote the toughness and strength of cement mortar and concrete, and with the increase in hp mixture, compressive strength increases more obviously than bend resistant strength does ; with the hydrosoluble hp fibre added, the microstructure of mortar or concrete will change, the space web structure will be formed, which consists of mixed hydrates and hp films. as a result, the performance of mortar and concrete, with high strength and few apertures, can be improved

    結果表明, hp對水泥砂漿和混凝土有顯著的增韌、增作用,且隨著hp摻量的增加抗壓提高的幅增大,抗折提高的幅降低; hp水溶性高分子纖維的加入可改變混凝土的微觀結構形態,在混凝土或砂漿中形成了水化產物與hp膜交織的間網狀結構,使漿體緻密,減小孔率,從而影響其整體性能。
  9. Press in front and back and press the rubber mold of the side through the special design, be applicable to various shoes and heels of shape, need not adjust. press the side organization adopts the automatic balance memory to take shape the design, make the strong dint of shoe sole and shoe tops sticks to match, don ' t whole the orgnaization design of the degree, strength the shoe sole to stick to match the degree, press the pressure of the pressure of the bottom adjustabel whole, make light shoes sole press tight and will not transform

    壓前後和壓邊的橡膠模經特殊設計,適用於各種鞋子及後跟形狀,不必調整.壓邊機械採用自動平衡記憶成型設計,使鞋底與鞋面力貼合,不留.壓底機械採用可調整鞋頭翹的機械設計,增鞋底的貼合,壓底的壓力可調整,使軟性鞋底的壓著密合且不會變形。
  10. For the tectonic coal , the properties of higher porosity and lower permeability make it capable of keeping higher gas pressure ; both of the “ isolating action ” and “ gas - cushion action ” cut down the resistance against outburst ; the specifity of high - defomed - extent makes desorption , escape and flowing quickly become possible ; the existing of weak - seam or “ thoroughfare - seam ” create suitable conditions for the initial erupting and continued developing of coal and gas outburst. on the whole , it is the synhesis action of all factors , which leads to outbursts. the existing of tectonic coal with certain thickess is the essential condition of coal and gas outbursts , but not the sufficient condition

    率、低透氣性使構造煤能夠保持較高的瓦斯壓力;破碎性、 「隔離」作用及「氣墊」作用,使構造煤抵禦外力作用的能力大大降低;構造煤變形幅大的特性,為瓦斯的迅速解吸、放散和快速流動創造了條件;構造煤薄弱分層或「通道層」的存在,則為煤與瓦斯突出的初始激發和持續發展奠定了基礎;上述因素的共同作用,影響和制約了煤與瓦斯突出的和分佈.盡管如此,一定厚的構造煤的存在只是發生煤與瓦斯突出的必要條件和有利條件,而非充分條件
  11. The grade composite, road performance and its mechanism are systemically studied. 1 ) the aggregate grade of ogfc is studied through the volume method base on the analysis of the aggregate grades. then the grade is verified and the relation between the grade and pore rate is studied statistically, the typical grades of ogfc are developed ; 2 ) the reasonable pore rate of ogfc is studied on the basis of the balance of mechanics and function performance ; 3 ) the mineral fiber is added to the ogfc mixes to increase asphalt content, thus the anti - water performance of ogfc mixes are improved ; 4 ) high viscous asphalt fit for the preparation of ogfc is prepared through composite modification by sbs and rubber powder ; 5 ) the mechanics mechanism of ogfc is studied in the paper, it shows : asphalt paste, as well as the coarse aggregate skeleton, is essential to the mechanics of ogfc

    在分析各國ogfc級配的基礎上,運用礦料體積法進行ogfc級配設計,用正交實驗對礦料級配進行了優化設計,運用數理統計方法分析礦料級配和孔率之間的關系,並回歸出礦料關鍵篩孔通過率與ogfc骨架結構關系的數學方程,進而提出了ogfc的合理級配;通過對不同孔率典型級配混合料的性能研究,綜合力學和功能性能,得出了ogfc的合理孔率范圍:針對高速公路面層對ogfc力學性能方面的要求,本文從瀝青膠結材料、纖維穩定劑兩方面對ogfc的性能進行改善:通過sbs和橡膠粉復合改性的方法開發出了適合ogfc的高粘改性瀝青,摻加聚合物纖維,提高ogfc的最佳瀝青用量,進而改善了混合料的高溫性能和抗水損害性能,優化設計出能滿足高速公路路用性能,車轍動穩定達5000次/ mm以上,動融劈裂比90 ,透水系數31ml / s ,並具有防滑降噪功能的開級配瀝青磨耗層( ogfc )混合料。
  12. Main content in simulation is the spatio - temporal evolution of the set of descriptive variables characterizing tectonic mineralization state under coupling of various processes as following : ( 1 ) variables related to forming and property of ore - forming fluid, such as dissolution rate of minerals ( include metal minerals ) in rock, concentration and saturation of aqueous species in fluid, temperature, pressure, and ionic strength etc. ; ( 2 ) variables related to structural deformation and fluid flow, such as stress, deformation rate, fracture network, porosity, fracture permeability ; ( 3 ) variables related to precipitation and mineralization, such as nucleation rate of gangue and metal minerals, accumulation precipitation of various minerals, etc. ; ( 4 ) spatio - temporal coupling relation of various variables above, such as the coupling relationship between spatio - temporal evolution of fracture permeability and flow and focus of fluid and ore - forming

    模擬的主要內容是在各種過程耦合作用下,以下描述構造成礦體系的主要變量的時演化:與成礦流體的形成和性質有關的變量,如地層中礦物(包括成礦物質)的溶解速率、流體中各組分的濃與飽和、流體溫、壓力、離子等;與構造變形和流體運移有關的各變量,如應力與變形速率、巖石孔、構造(斷裂)滲透率等;與沉澱成礦有關的變量,如礦物(金屬礦物和脈石礦物)的成核速率、各礦物的沉澱量等;上述各有關變量間的時耦合關系,如斷裂滲透率時演化與流體流動、匯聚和成礦的耦合關系等。
  13. The research results show that aggregate gradation and the nominal maximum aggregate size evidently influence the shear resistance of asphalt mixture ; aggregate flakiness content influences the shear resistance of asphalt mixture, and with the increase of aggregate flakiness content the shear resistance of asphalt mixture decreases ; asphalt binder properties, especially penetration, softening point and viscosity influence the shear resistance of asphalt mixture, and the latter increases with the decrease of penetration and the increase of softening point and viscosity ; asphalt content influences shear resistance of asphalt mixture, and with the increase of binder / aggregate ratio the shear resistance of asphalt mixture decreases ; air void influences shear resistance of asphalt mixture, and usually with the increase of air void the shear resistance of asphalt mixture decreases ; homogeneity does not have a direct and obvious relationship with absolute value of shear resistance of asphalt mixture, but does with variation of shear resistance of asphalt mixture

    研究結果表明:集料級配和公稱最大集料粒徑對瀝青混合料抗剪有顯著的影響;瀝青混合料抗剪受其集料中針片狀含量的影響較大,集料中針片狀含量增大,瀝青混合料抗剪減小;結合料的性質,特別是針入、軟化點和粘對瀝青混合料抗剪有較大的影響,隨著針入減小,軟化點和粘增大,瀝青混合料抗剪增大;含油量對瀝青混合料抗剪有較大影響,隨著油石比的增大,瀝青混合料抗剪減小;瀝青混合料抗剪受其率的影響較大,一般隨著率的增大,其抗剪減小;瀝青混合料均勻性與瀝青混合料抗剪絕對數值間沒有明顯的關聯,而與數值間的變異性有著很好的相關性。
  14. By improving surface condition of parts and one shot seal - off clean room grade, using ultrasonic vapor phase cleaning process, the inner parts of vacuum interrupter get cleaner. movable particles have been diminished by automatic current ageing, power frequency hi - voltage ageing and dynamic high current ageing. as the dielectric strength of clearance in vacuum interrupter improved, the probability of re - ignition in test drops evidently

    通過提高零件表面加工質量,改善一次封排間的真衛生條件、制定合理的超聲波氣相清洗工藝提高管內潔凈,採用自動電流老煉、超高壓工頻老煉、大電流動態老煉等工藝進一步消除真滅弧室內活動性微粒,可提高真滅弧室真介質,使真開關投切電容器組的重燃率大大降低,並通過實驗驗證真開關投切電容器組的重燃率在製造工藝改進後由原來的10 . 7 %降低至1 . 3 % 。
  15. Open graded friction courses ( ogfc ) is a kind of open graded porous asphalt mix designed to drain water on the road face when raining. it has good performance on draining, anti - slide and noise reducing. it is common used in foreign countries from 1980s, while the lack in china because its poor mechanics performance, due to the high pore rate, cannot fit for the heavy traffic load in china

    開級配瀝青磨耗層( ogfc )是一種具有相互連通的開級配混合料,具有優良的排水、防滑、降噪等功能,然而該種混合料率達15以上,瀝青用量低,混合料的耐久性和會產生一定影響,由於我國高速公路重載、超載嚴重,按國外設計方法設計的ogfc混合料難以滿足路用性能的要求,因此, ogfc在我國高等級公路建設中一直沒有得到推行。
  16. The numerical simulation and experimental research made on the characteristics of the clearance cavitations in kaplan turbine are described herein ; in which the analysis mainly is concentrated on the characteristics of leakage - vortex caused by the flow of the clearance between blade tip and blade chamber, that occurs at the front - pressure side of the blade, and the intensity of the secondary - flow - vortex ; furthermore, the relationship in between the leakage - vortex, secondary flow vortex, cavitations and erosion are analyzed as well

    摘要對軸流轉槳式水輪機輪緣間流動及化特性進行數值模擬和試驗研究,重點分析輪緣間流動在正面頭部泄漏流動所引起的泄漏渦帶、二次流動的漩渦化特性,以及泄漏渦帶旋轉、二次流動的漩渦與蝕和磨損之間的關系。
  17. This paper proposes the occasional coupling synchronization scheme of the active - passive decomposition ( active - occasional coupling ). this scheme consists of synchronization and autonomous phases. in the former, the synchronization scheme is used to synchronize the drive and the response systems ; in the latter, small errors will lead to the two systems separated from each other and desynchronization. but if the synchronization phases are large enough, the full synchronization will be obtained. the synchronization condition is discussed theoretically. the spatiotemporal chaos in coupled map lattice system is achieved and the synchronization condition is given. moreover, the relation between the synchronization phases and the coupling strength is investigated numerically

    提出了離散系統中的主動-間耦合同步方法.該方法由同步相和自治相組成.在同步相,同步方案使得混沌系統趨于同步,而在自治相,兩系統間的誤差將迅速放大,導致失同步.但只要同步相足夠大,最終可實現系統的準確同步.還從理論上討論了同步條件,並利用該方法實現了耦合映象格子時混沌系統中的混沌同步,給出了同步條件以及同步相與耦合的關系
  18. Based on uniaxial penetrating test, the effects of aggregate gradation, aggregate physical properties, asphalt binder properties, asphalt content, air void and homogeneity on shear resistance of asphalt mixture were investigated directly at 60

    摘要為了研究瀝青混合料抗剪的影響因素,基於單軸貫入試驗,在溫為60時,直接對集料級配、集料性質、瀝青性質、含油量、率以及均勻對瀝青混合料抗剪的影響進行研究。
  19. The subst - itutional oxygen vacancies and tin contributing to its high conductivity. the high optical transmittance of ito films is a direct consequence of it being a wide band gap ( eg > 3ev )

    Ito結構中的氧位和錫摻雜使得它具有很的導電性,較大的能帶間( e _ g 3ev )使得它具有很的光透明性。
  20. Relationship between fractal features of microvoid grains distribution and strength of rock

    巖石顯微分佈的分形特徵與巖石的關系
分享友人