流體密度 的英文怎麼說

中文拼音 [liútǐmìdù]
流體密度 英文
fluid density
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 體 : 體構詞成分。
  • 密 : Ⅰ名詞1 （秘密） secret 2 [紡織] （密度） density 3 （姓氏） a surname Ⅱ形容詞1 （距離近; 空隙小）...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 流體 : [物理學] fluid; fluor流體力學 fluid mechanics; hydromechanics; 流體生物學 hydrobiology; 流體運動學 hydrokinematics
  1. The studies of plane heterogeneity are as follows : the text counts the parameters of the sandlayers " geometric shape of different sedimentous microfacies ; speculates the conditions of lateral communication by sandstone density according to the method brought forward by j. r. l. allen ; gets a group of parameters including the reservoir thickness, porosity and coefficient of permeability by using kriging method according to the data of logging results ; makes certain the direction of coefficient of permeability with variation function by modeling globosity function ; divides the sandlayers into five types by using the method of flowing cell based on three parameters, that is x h, kxh and h / h, and accounts the favorable region. on the base of above - mentioned studies, the text evaluates the heterogeneity of sandlayers and gives the resolutions to these problems to serve the development of the field

    Allen ）等人提出的統計方法，用垂向上砂體密度的界限來推測砂體側向連通情況；根據每口井的測井解釋資料，利用克里金插值法對外間進行插值，得到了一組反映儲層特徵在平面上變化的參數，包括儲層厚度分佈、孔隙度以及滲透率，並且成圖；利用變差函數法，通過球狀函數模擬，確定儲層優勢滲透率方向：根據流動單元法，以儲能系數、容積系數以及凈毛厚度比三個參數為依據，通過聚類分析方法進行流動單元劃分，並且按照參數特徵將其分為五類，統計各砂層有利流動單元區塊。
  2. Variations in the fluid density are neglected so far as they influence the inertia.

    就對慣性項的影響而言，流體密度的改變是可以忽略的
  3. The density p is that of the fluid escaping from the orifice.

    上式中P是從小孔噴出的流體密度。
  4. In this paper, we focus on the following three topics : ( i ) density distribution of dusty plasma in the low - pressure collisionless positive column the radial density distributions of electron, ion and dust particle in the low - pressure collisionless positive column are investigated with a fluid theory and a self - consistent dust - charging model

    本文著重以下三個方面的研究： （ ）低氣壓無碰撞輝光放電正柱區塵埃等離子體密度徑向分佈本文採用流體模型和自洽的塵埃充電模型，研究了低氣壓無碰撞輝光放電正柱區的電子密度、離子密度和塵埃粒子密度的徑向分佈。
  5. Green and roasted coffee. determination of free - flow bulk density of whole beans routine mehtod

    生咖啡和焙炒咖啡.整粒咖啡豆流散體密度的測定
  6. With a careful theoretical analysis various physical parameters such as the gas density, temperature, and pressure, and the ultraviolet and ionizing radiation fluxes can be derived.

    通過仔細的理論分析，可以推導出如氣體密度、溫度和壓力等各種物理參量，以及紫外輻射和電離輻射的流量。
  7. Abstract : in light of thicker grain and smaller viscosity of debris flow, a segmented simulation of the debris flow with flume is presented. for the first time. more difficult resistance similarity is brought about by geometric rate without excessive coarsing and discontinuous similarity of sand grain composition in model is eliminated with different grain scale. on this basis the density similarity and sand conveying similarity are achived. the method presented is verified through a model test case

    文摘:針對水石流顆粒粗，粘性小的特點，提出了利用水槽進行分段模擬水石流的設想，首次通過幾何變率解決難度較大的阻力相似問題，改變了以往過度加糙的方式;通過變粒徑比尺的方法消除了模型沙級配不連續相似的問題，較好地實現了固體物質級配相似，達到了泥石流的密度相似和輸沙相似.通過水槽概化模型試驗實例，對本方法進行了驗證
  8. Methods of test for coffee and coffee products - green and roasted coffee - determination of free - flow bulk density of whole beans routine method

    咖啡和咖啡製品試驗方法.生咖啡和焙烘咖啡.第16部分:整粒流散體密度的測定
  9. To make pic ( particl - in - cell ) simulations. to set up models of guns and magnetic field and simulate them in the vacuum and plasma, respectively. we found that plasma held back part of space charge effects and improved trajectory of electrons. but beam would oscillate and became instable as accretion of plasma density. by simulating again and again, we draw a conclusion magic could n ' t work when plasma density was more by far than beam electron density. at last a four - stage depressed collector was simulated

    建立電子槍和聚焦系統模擬模型，分別在真空和填充等離子體條件下進行模擬。發現填充等離子體能補償部分空間電荷效應，改善電子束包絡軌跡，提高電子的流通率，但是隨著等離子體密度的增大，束電子會出現振蕩不穩定性，遺憾的是通過反復多次模擬發現本文所用粒子模擬的代表性軟體magic無法用於模擬等離子體密度遠高於束電子密度的情況。
  10. Three kinds of inflows with different combination of temperature and salinity are studied. results show that difference of diffusion between temperature and salinity have little effect on mean flow fields. but significant effects will arise when components are distinct in contribution to water density

    成果分析指出了溫鹽共同作用引起的高雷諾數紊動浮力流動受溫度和鹽度的分子擴散速率差異的影響很小：但是因各組分對環境水體密度影響差異會造成不同的浮力流動特徵。
  11. Superconductivity - measurements for bulk high temperature superconductors - trapped flux density of large grain oxide superconductors

    超導性.成批高溫超導體的測量.大粒氧化物超導體的陷波流量密度
  12. In view of the problem of three - phase flow interpretation, a method for applying grey theory and optimization technique to processing three - phase producing profile is presented

    該方法以滑脫模型為基礎，建立極小化目標函數及視流體速度（流量） 、密度、持水率、溫度和壓力等測量參數的理論響應方程。
  13. Model of porosity can be established according to density of framework of rock, density of rock and density of fluid in rock

    由骨架密度、體積密度、流體密度聯合建立孔隙度解釋模型。
  14. Under a certain magnetic field, the density and stability of anode plasma determines the ion current density and its fluctuation

    在確定磁場強度下，陽極等離子體密度和穩定性決定了引出離子束流密度的大小及其波動幅度。
  15. The equivalent cavity model is used to deduce the threshold condition of the ecld, and the expression of the threshold carrier density n ( v ) when ecld is tuned to oscillate at different frequencies has been obtained. using the expression of n ( v ) and the carrier dependent refractive index, the simple basic equation describing the bistable characteristics has been derived after choosing an appropriate reference frequency nf

    通過建立等效腔模型來推導外腔半導體激光器的閾值條件，得到ecld在不同頻率v振蕩所需的閾值載流子密度n （ v ）表達式，利用該表達式及相關的折射率表達式，在選擇合適的參考載流子密度n _ f后，導出了一個描述雙穩所需的基本方程。
  16. Since the company began to resrerch and make radiators in 80 ' s last century, domestically advanced production lines have been adopted in the production. we sim at 100 % conformity of heat impedance performance curve with the testing standards stipulated in st2564 - 85 standard book of " profiled material raditors " which is promulgated by ministry of electronic industry of people republec of china. the radiators are matching heat - radiating components for power semiconductors, generally can be applied to fields of large and small power appliances, hi heat current density utensils, whole - set apparatus, electuonics and electrical devices, etc

    本公司自八十年代初研製生產散熱器系列產品以來，採用國內最先進的生產流水線，工藝精湛，其熱阻特性曲線均按中華人民共和國電子工業部標準st2564 - 85 《型材散熱器》規定的檢測方法，百分之百達到設計要求，是功率半導體器件的配套散熱元件，運用於多種大、小功率電器熱流高密度、整機設備、電子，電器等領域。
  17. Remarkably, the temperature must be limited between softening point and solidification value, at which the bond can get perfect fluidity and stickiness. effects of bond content and pressure on magnet product during heating - pressing process are the same with effects during common - pressing process. fourthly, it is more than 250 hours before magnet is eroded when it is coated with lacquer by way of cathode electrophoresis

    溫度對溫壓效果影響明顯，應當選擇在粘結劑軟化點以上、固化反應前的某一點，保證粘結劑具有適當的粘度和良好的流動性；與普通壓制工藝相同，溫壓工藝制備的粘結磁體密度和磁性能均隨壓制壓力的增大而提高，磁體性能和磁粉體積分數隨粘結劑含量變化的規律一致。
  18. Liquid density measurement by vibration methods

    用振動方法測量流體密度
  19. We combined the cvd technique with the pecvd technique by adding a dc or rf electric field to the reacting region of cvd device, and improved the inputting method of reaction gases, then had executed a diamond film growth system. the advantages of our system are : ( 1 ) reaction power, which can enhance the density of the plasma in the reacting region, is supplied with the heat filament and the dc electric field, or with the heat filament and the rf electric field both of them can be controlled precisely and they are complementary to each other

    將熱絲cvd技術與pecvd技術相結合，在薄膜的成核和生長階段分別給反應區再施加一個直流和射頻電場，同時改進反應氣體的進氣方式，製成具有下列兩大特點的金剛石薄膜生長系統： （ 1 ）反應功率由熱絲和直流電場或熱絲和射頻電場共同提供，兩者互相補充，可精確控制，大大提高了反應區的等離子體密度； （ 2 ）能精確控制反應氣體的分佈、流量及流速。
  20. The density p is that of the fluid escaping from the orifice

    上式中p是從小孔噴出的流體密度。
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