空化強度 的英文怎麼說

中文拼音 [kōnghuàqiáng]
空化強度 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...
  • : 強形容詞(強硬不屈;固執) stubborn; unyielding
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 空化 : cavitation空化機理 cavitation mechanism; 空化噪聲 [聲學] cavitation [aeration] noise; 空化作用 [化學] cavitation
  1. Titanium and titanium alloys have excellent specific strength and corrosion resisting property, and have important role in application in astronavigation facility, navigation facility, chemical industry and oil industry

    摘要鈦及鈦合金具有優良的比和耐蝕性,在航天航及石油工行業中起著重要作用。
  2. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承載力問題進行了實用的探討,提出了考慮地基變形的地基承載力上程計算方法;對基於彈塑性理論分析的地基承載力國內尚未見報道的間問題得到了圓形基礎(間問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平面問題)的界限荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作,本文以截頭錐模型模擬地基,對地基(巖基)承載力的動測法進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單軸抗壓確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論;本文作者根據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具有實用、簡便、穩定及安個等優點。
  3. In this paper, using phoenics software to compute and analyze the variety rule of the convecting transfer heat at the basis of computing and analyzing the temperature and velocity field of one underfloor supply air room with a focus hot source, and concluding that the number of the hot source and the supply air outlet > the intensity of the hot source and the volume of supply air will influence convecting transfer heat, and obtained its correlativity formula

    本文針對一下部有集中熱源的地板送風調小室,利用phoenics軟體,在計算分析小室內氣流的速場及溫場的基礎上,對對流熱轉移量的變規律做了計算分析,最後得出對于下送風小室的對流熱轉移量與熱源的個數、送風口個數、熱源、送風量等因素有關,並且得出了其相關關系式。
  4. The additional flow is formed by the device of dentoid baffle, and the application of the device of dentoid baffle cooperated with a stilling basin has been investigated by systematic model tests. based on the research results, the hydraulic problems such as the characteristics of hydrodynamic pressure and cavitation on the head of the denotid baffle, the properties of flow under the condition that the device of denotid baffle is used with a stilling basin, the hydraulic computation about a stilling basin, the estimation of energy dissipation and its various affection factors, the mechanism and effect of energy dissipation, and distributions of velocity and pressure and aerating concentration, etc, have been analyzed ; the method and step of hydraulic design of device of denotid baffle by which the additional flow is produced has also been proposed

    文中利用齒墩設施實現附加射流,對齒墩設施與消力池聯合應用進行了大量的和系統的模型試驗,分析研究了中低佛勞德數條件下,齒墩墩頭的動水壓特性,齒墩設施與消力池聯合應用時的流態特性,消力池的水力計算,消能量的估算及其各種影響因素,消能機理和效果,消力池內的流速、壓特性,摻氣濃分佈等水力學問題,並提出了實現附加射流齒墩設施的水力設計方法和步驟。
  5. Though zn 2 + and co 2 + are divalent ions, they probably can not substitute ca2 + from the active center of tcs, or can substitute ca2 + but does not change the structure of tcs. there is no significant change observed for the fluorescence intensity of tcs

    『 「是二價金屬離子,但這兩種離子與天花粉蛋白作用時可能並沒有取代天花粉蛋白活性部位的ca 『 」 ,或部分取代但並沒有改變天花粉蛋白分子的間結構,以致天花粉蛋白的熒光無明顯變
  6. Analyzing the physics structure of vorticity, divergence, vertical velocity, frontogenesis " function, apparent heat source and apparent moist sink etc. indicated the physics fields are favorable for the occurance of the heavy rain over changjiang - huaihe river basin where the physics values are well according to the heavy rainstorm positions ; the low level jet is closely subject to the moisture and the coupled system of the low and the upper level jetstreams induced the strongly " ascending motion ; the intensity of the frontogenesis varies with the development of the rainfall system and reacts the rainfall intensity

    主要分析了這次過程中的多種物理量,包括渦、散、垂直速、鋒生函數、視熱源、視水汽匯等,對這一暴雨過程有了比較系統的認識。結果表明:在江淮流域存在著有利於發生暴雨的物理量場配置,渦、散、垂直速等物理量,與暴雨的落區都很吻合的;低急流的產生不僅有利於水汽的輸送,而且高低急流的耦合造成了有利於上升運動的配置;鋒生隨著降水系統的發展變,並影響降水
  7. The regularities of pile - top reaction distribution, the carrying load ratio between pile and raft, the settlement and the imparity settlement of foundation in the frame - tube structure and the single wall are influenced by some factors such as the stiffness of the superstructure, the intensity of the soil under the piles, the length and radius of the piles, the distance between the piles, the thickness and the suspended width of the raft

    對豎向荷載作用下的間筒中筒結構、樁筏基礎和地基進行了三維有限元分析。研究整體結構和單片墻結構在上部結構剛、樁端土、樁長、樁徑、樁距、筏板厚、筏板外挑寬等影響因素變時的樁頂反力分佈規律、樁筏荷載分擔比、樁基沉降和差異沉降規律。
  8. In this paper, metastable cu - al alloy powder with different aluminum content was prepared by mechanical alloying technique. high strength and high conductivity cu - al2c > 3 composites were prepared by a new type vacuum internal oxidation technique

    本文採用機械合金法制備了不同鋁含量的亞穩態的cu - al合金粉末,採用新型真內氧工藝制備了不同成分的高高導電cu - al2o3復合材料。
  9. In recent years, ji ’ ning zaozhuang and linyi have made great progress in tourism development. in addition, the well - grounded culture - history - folk - custom tour section, pivoted by ji ’ nan zibo and weifang, has become increasingly attractive. spatially it makes shandong tourism layout apparently orbicular

    最近幾年,濟寧、棗莊,尤其臨沂市的旅遊開發增大;同時,原本就有一定基礎的濟南-淄博-濰坊一線的文、歷史與民俗旅遊區吸引力不斷得到,使山東旅遊業的間布局呈現明顯的環狀格局。
  10. Based on the terszige and biot theory, initially analyze the economical of this experiment, directly save investment 22 % after compute. after that, computing the settlement of highway foundation, comparing the computing and survey value, the predict formula of vacuum - heaped load combining precompression for designing, this formula show that the distortion law of consolidation progress. at the same time, based on the position and room experiment, analyzes the intension transformation in soft soil and criteria of stabilization control

    在太沙基和比奧固結理論的基礎上,先分析了此次試驗的經濟性,經核算直接節約投資22 ,經濟效益十分明顯;隨后對真堆載聯合預壓法加固軟土路基的沉降量進行了估算,並與實測值作對比分析,得出了真堆載聯合預壓下的沉降量估算公式,能反映「真」加固過程的變規律;同時根據現場和室內試驗,分析了軟土的變,以及給出並驗證了工后沉降控制標準。
  11. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的測量,包括腔形態、徑向流速分佈及井壁壓等;二、提出了豎井腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優試驗研究,發現消力井合理深為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井腔段下部流速很高,盡管水流螺旋運動引起的離心力可以確保井壁壓保持正壓,但數依然較低,因此豎井的蝕始終是工程界關注的重大問題。
  12. 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床噴霧造粒器中,以食用小麥澱粉為原料,以明膠的水溶液為粘結劑,實驗研究了流氣速、床層溫、噴嘴霧氣壓力、粘結劑濃對噴霧造粒顆粒的影響。
  13. The reason to cause this phenomenon is due to the change of electric field in the blue oled to induce the probality of the carrier shifted and the hole - electron recombination zone changed, which was a possible alternative to achieve color display. 3 ) device with the structure of ito / npb / adn : balq3 / alq3 / mg : ag was fabricated. when the balq3 dopant concentration was about 25 mol %, a high performance devcie with luminous efficiency of 1. 0 lm / w, the peak of emission spectrum at 440 nm, the cie coordinate at ( 0. 18, 0. 15 ), and half lifetime of unencapsulated device about 950 hrs was achieved

    導致本現象的原因是由於各有機層電場的變影響了穴和電子的隧穿幾率,從而導致載流子的復合區域發生改變而發出不同顏色的光; 3 )制備了結構為ito / npb / adn : balq3 / alq3 / mg : ag的藍光oled ,穴阻擋材料balq3的摻入顯著影響了oled的光電性能,當balq3的摻雜濃為25mol %時, oled的發光效率為1 . 0lm / w ,發光光譜的峰值為440nm ,色純為( 0 . 18 , 0 . 15 ) ,未封裝器件的半衰期達到了950小時; 4 )在藍光材料adn中摻雜npb 、 balq3和tbp三種材料時,不僅改善了器件的發光亮和色純,而且提高了器件的發光效率和壽命。
  14. To some extent, the distance, economic scale and industrial composition have some impact on the intensity of spatial deprivation

    本文主要涉及經濟規模、間位置和聯系及產業結構等方面,並嘗試對「間剝奪」的進行量表達。
  15. Abstract : we have studied the spontaneous emission from a three - level atom with an external - driving field in a photonic crystal. as a result of quantum interference and photon localization, the population in the two upper levels displays quasi - oscillatory oroscillatory behavior. this depends on the initial atomic state and the relative positions of the two upper levels from the forbidden gap. the intensity and the phase of the external field can affect spontaneous emission from the atom. the properties are different from a three - level atom either in vacuum or in aphotonic crystal without an external driving field

    文摘:討論了在雙光子驅動場作用下,三能級原子在光子晶體中的自發發射問題.由於量子干涉和光的局域作用,兩個上能級中的占據數將具有周期振蕩或準周期振蕩的性質,這不僅依賴于兩個上能級與禁帶的相對位置,同時也依賴于原子的初始狀態,而且還與驅動場的、驅動場的入射位相有關.這些性質既與真中帶有驅動場的原子的自發發射性質不同,也有別于無驅動場作用下光子晶體中三能級原子的自發發射性質
  16. The tourmaline with great spontaneous polarity can purify water and air. so it can be used in building decorating material, purifying water materials and cleaning air materials

    自發極大的電氣石具有凈氣和水的作用,在環保建築裝飾材料、凈水和氣材料中有很大的應用價值。
  17. The main achievements are as follows : the theory models of defect mfl field are set up ; based on the magnetic dipole model and finite element model, the distribution of defect mfl field is simulated in the dissertation ; the component of flux density ( magnetic filed ) parallel to the surface of pipe is detected by a circumferential array of hall probes ; the factors including defect geometry parameters, defect surface angle and shape, pipe material, field intensity, vehicle velocity, background magnetization, operating pressure and remanent magnetization and so on influence the mfl signal characteristics

    採用霍爾元件作為缺陷漏磁檢測傳感器,獲得管道軸截面漏磁場切向分量的漏磁信號;研究了缺陷外形尺寸、缺陷傾角和形狀、管道材質和磁、檢測儀移動速、管道背底磁場、管內壓力和剩磁對漏磁信號的影響。提出了各通道增益放大、各路漏磁信號偏離調整、波形微分、數字濾波和平滑等漏磁信號預處理方法;分析了等間采樣的漏磁信號轉換為等時間采樣信號的必要性,研究了漏磁信號的小波去噪方法。
  18. The results showed that the microstructure of as - deposited tbdyfe ii 1ms were amorphous and the crystal of tbfe2 were found in films after annealing at 500. annealing films in vaccum could improve the saturation magnetization ms and the susceptibility, decrease the coercivity and the saturaion field, and make the direction of the magnetic moments parallel to the film plane

    結果表明,制備態薄膜為非晶態結構,經過500真退火熱處理后,薄膜出現了tbfe _ 2的結晶物,薄膜的矯頑力和外場的飽和磁場大大降低,飽和磁,初始磁率提高,易磁軸轉向膜面。
  19. The formation process of w - type ferrite underwent from oxide of metal, the m - type transition phase to final w - phase. when the heating rate was 5 / min, at 900 for 3 hrs and 1200 for 4 hrs, pure m - type and w - type ferrites were formed in air respectively. with heat treatment temperature increasing, crystal structure was more intact, the saturation magnetization increased and the coercive force decreased

    熱處理過程表明, m型鐵氧體直接由金屬氧物反應形成,未經歷尖晶石中間相; w型鐵氧體形成由金屬氧物到m相過渡相最終向w相的轉變;當升溫速率為5 min ,溫在900 ,保溫3小時和1200保溫4小時,就分別形成單相m相和w相鐵氧體;隨著熱處理溫的升高和保溫時間的延長,衍射峰變尖銳,結晶更完整,心微球的飽和磁增大,矯頑力減小。
  20. Uniform distribution of cavitation at the nozzle exit section is obtained by increasing length - diameter ratio and leads to the improvement of atomization

    從燃油穴霧理論的角出發,的提高以及在出口截面上的均勻分佈都有利於燃油的破碎霧
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