面積型流量計 的英文怎麼說

中文拼音 [miànxíngliúliáng]
面積型流量計 英文
area type meter
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • : 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...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • 面積 : [數學] area
  • 流量 : rate of flow; flow; runoff; discharge; throughput; (flow) rate; quantity (of flow); flux
  1. A statistical model is developed and indicates high correlation between the accretion of modem yellow river delta and the water and sediment discharge of yellow river, and the model shows the necessary water and sediment discharge per year to ensure the equilibrium of alluvion and erosion of yellow river delta

    黃河三角洲凈造陸與黃河入海水沙的統說明,黃河三角洲沖淤動態平衡時的黃河入海徑為71 . 93億m ~ 3 a ,輸沙為1 . 853億t a 。
  2. Mems ( micro electromechanical system ) has become one of the most rapidly development technologies. along with the rapid development of mems techniques, capacitive sensor is used widely whose capacitance changes small, which has put forward the new request to the measurement technique. the common measure for capacitance measurement is that convert capacitance to voltage, electric current or frequency. the area of polar plate of the capacitor becomes smaller and smaller, and the total capacitance of micro capacitive sensor is usually several pico farad only. as a result, its change amount is smaller

    Mems ( microelectromechanicalsystem )近年來發展最快的技術之一,隨著mems技術的快速發展,電容式加速度的電容變化變化越來越小,對檢測技術提出了新的要求。在電容式傳感器中,常用電容檢測電路是將其轉換為電壓、電或者頻率信號。目前的微電容傳感器的極板變得越來越小,電容總只有幾個pf ,變化就更小。
  3. Fluid noise mainly comes from out put pulsation of rate of flow, the main reason of out put pulsation of rate of flow is the instant high pressure return flow that obturation cubage produced when the big round curve pressure transition. the v trough on the port plate can reduce the fluid noise. in this paper, the author based on the acting of dam a river and condensability of liquid and used matlab language as tool to calculate the v trough on the original port plate and drew out the p - t diagrammatic curve and analyzed its shortcoming and improved the design of original v trough and got that the best size of its angle was 12. 3 and its length was 5mm and the cross section was an equilateral triangle

    體噪聲主要來源於輸出脈動,造成輸出脈動的主要原因是閉死容在大圓弧段壓力切換時產生的瞬時高壓迴,在配盤上開設v尖槽可降低因高壓迴而引起的體噪聲,本文以截作用和液體的可壓縮性為理論依據,以matlab語言為工具,對原配盤上的v尖槽進行了理論算,繪制出p - t圖線,分析了它的不足,並對原有v尖槽進行了優化設,得出了v尖槽的最佳幾何尺寸:配盤平上的v尖槽的兩邊的夾角為12 . 3 ,槽長5mm ,槽的橫截為等邊三角形。
  4. Measurement precision contribute to improving the security class and economic of boiler running and automatic level of whole plant. the smart measurement instrument of the boiler ’ s air flow designed in the thesis and the instrument can make the degree of accuracy get to. firstly, the thesis build the “ velocity - area ” method which is on basis of “ log - tchebycheff ” on the analyzing of basic measure method of boiler ’ s air flow. secondly, model86 averaging pitot tube was selected the right model of flow transducer which can pickoff the differential pressure and static pressure. modelc264 which made in setra system corp. u. s. a was selected as ultra low differential pressure transmitter. a good flow of boiler ’ s air was calculated by offsetting pressure and temperature. finally, numeroscope was designed with z80cpu and other chips

    精確的監測有助於提高鍋爐燃燒的安全、經濟性,也有助於提高電廠的整體自動化水平。本文設的智能化鍋爐風裝置能夠實現對鍋爐送風的精確測,精度可達。本文首先研究鍋爐送風矩形大管道測理論,提出在測點布置基於「對數-切比雪夫」法的速度-法。
  5. I major in business english. the main courses i have studied are the basic courses for english majors, french, fundamentals of business, macroeconomics, microeconomics, international commercial law, internatioal trade, the economics of money, banking and financial market & principles of marketing during my college time, i study hard, and get good marks in most of the subjects. i pay attention not only to my study but also to improving my social abilities, i taught in qin huangdao chuangzhi foreign studies school from july 2003 to 2004, was an interpreter for the world bicycle championships b 2001 in june 2001, taught in qin huangdao cambridge school from mar. 2001 to sep. 2001, and i have abundant house - teaching experiences. what ' s more, i practised in qin huangdao chia tai co. in jan. 2003. i also tried my best to improve my other abilities besides my major, such as computer, managing abilities. i got " 1st grade " in the " hebei college students ' plan for company - creating contest " ( our work will participate in the national college students ' plan for company - creating contest ), and got " excellent " in the " web - making contest " of yanshan university

    大學期間,我嚴格遵守學校規章制度,尊敬師長、團結同學,有很強的集體榮譽感;學習認真刻苦,成績良好,我的專業學習涉及內容相當廣泛,包括英語的所有基礎課和國際商法、市場營銷、國際貿易、國際金融、工商導論、宏微觀經濟學等;重視理論聯系實際,在學好專業課的基礎上,極參加各項社會實踐、實習活動, 2001年6月,我曾為世界b級自行車錦標賽(中國?秦皇島)擔當翻譯工作,在多所外語學校擔任英語教師,還多次為北方物置業有限公司(國家、河北省重點建設項目)翻譯招商材料,而且2002年年底,在秦皇島正大有限責任公司行銷部實習;在學好專業課的同時,為了補充和擴展自己的知識,我廣泛涉獵其他學科的知識,如算機、網路、創業等,盡使自身更快成長為一專多能人才, 2002年4月開始參加燕山大學學生創業劃大賽,並在2003年上半年參加了河北省大學生創業劃大賽,獲得了一等獎的優異成績,並將報送參加國家大學生「世紀杯」創業劃大賽, 2002年4月,參加燕山大學「綠色網路」網頁製作大賽,獲得了優秀獎。 。
  6. When catchment area, average channel gradient and catchment shape factor of designed culvert or bridge are known, a user can be convenient to get local parameters c, e and b from standard contour charts and easy to calculate flood flow just by a calculator. design period of flood flow is enormously shortened as well as a high precision. estimated flood flow through culvert or small bridge by new calculation model is generally less than by traditional methods, so that much cost is cut down a s reducing the span of culvert or small bridge

    以75000km ~ 2的川中丘陵地區為試點研究區,繪制了該地區新模的參數等值線圖,率定了不同設頻率的改正系數,使設者只需在地形圖上獲取集水,河道平均坡降和域形狀系數,在參數等值線圖上查得橋涵所在地的相應參數,使用算器即可迅速算出設,大大縮短了設周期,且精度較高,設的洪水一般低於傳統方法,從而可減小橋涵跨徑,節省投資。
  7. This paper, on the basis of yuelu - mountain high - tech park in changsha city, beginning with the investigation of diversiform transit - trip in the park, firstly analyzes and evaluates space - time change law of traffic flow and situation of traffic service level on actual road net - work in the park ; secondly, applying multi - statistical analysis method, taking investigated corporation as sample, using annual freight traffic volume produced by unit plant area of the corporation, with clustering analysis, obtains four sorts of the sample corporation, and establishes the predict models of freight traffic volume for every kind of corporation. with these models, actual or planning year ’ s day maximum freight traffic volume can be predicted. the third, this paper makes analysis research of trip law of employees in the park, and obtains the index of trip times, trip modes and trip development trend of the employees

    本文以長沙市嶽麓山高科技園區為依託,從調查園區內的各類交通出行開始,首先分析評價了園區內現狀道路網上的交通時空變化規律及道路網上的交通服務水平狀況;其次是應用多元統分析方法,以調查企業為樣品,以企業單位車間所產生的年貨運交通為變,通過聚類分析,獲得了樣本企業的四個類別,並建立了各類企業貨運交通的預測模,應用這些模,可預測園區內現狀或規劃年的日最大貨運交通;第三是對園區內企業員工的出行規律做了分析研究,獲得了企業員工的出行次數、出行方式及出行發展趨勢等等特性指標;最後是對園區內小區居民的出行狀況進行了分析,獲得了居民出行的諸如高峰時段、高峰出行等等的特徵數據。
  8. Based on the natural conditions, land use and production situation and implementation of the valley harnessing measures in the anjiagou river basin, dingxi county, gansu province, in this study the land use types, spatial distribution mode of land use structure, costs of farming, forestry and animal husbandry and their economic returns are analyzed, the qualitative and quantitative maximum economic returns of agriculture and animal husbandry are lucubrated, and an optimized design of land use structure is carried out by using the linear programming method and developing a mathematic model under the restriction of land area, labor forces, livestock forces, social requirements and forage supply

    摘要根據甘肅定西安家溝域自然條件、土地利用狀況、治理措施和生產狀況,通過對土地利用的類、結構空間分佈模式以及人財物資源的輸入和輸出分析,以種植業和畜牧業總體最大純經濟效益最高為目標,從定性到定,通過建立數學模,在土地、勞動力、畜力、社會需求和飼料需求的約束之下,應用線性規劃方法進行土地利用結構優化設,求解最優目標解,得出優化方案。
  9. The emulational calculating theories of traction power supply system ' s operating charts combine with actual things of engineering design at present in chapter three, to set up traction web current distributing mathematical model, integral distributing mathematical model, locomotive distribution and obtaining current model at every moment, and on which making use of mathematical planning methods to set up mathematical models is based at every moment in every instance interval of the railroads. for instance, instantaneous current, instantaneous voltage descent and effective current, main changing capacity and so on, in addition, there are the minimum power shortage model, the optimal transformer substation location, the least engineering expenditure, the optimal mathematical model of traction power supply system. optimize design ' s algorithm of traction power supply system is introduced in detail in chapter four, where programming idea and realizing method of the computer software are given an explanation

    本研究主要進行了以下工作:結合牽引供電系統運行圖的模擬原理和現行工程設的實際情況,建立了牽引網電分佈、分分佈、任一時刻機車分佈和取的數學模;應用數學規劃方法建立了任一距離區間、任一時刻的瞬時電、瞬時電壓降數學模和有效電、主變容和主變壓降、最小功率損失、最佳變電所容、最佳變電所位置、最少工程費用、最少運營維護費用和牽引供電系統方案最優等方的數學模;闡明了牽引供電系統優化設的演算法和算機軟體編程思想及實現方法;進行了工程實例算;最後,對牽引供電系統優化設技術應用進行了總結。
  10. The results show that the precision of the model is well, but the influence to the precision of the model in the prediction of field runoff can ' t be ignored

    分析結果表明,該模應用於小算時精度很高,但在進行野外坡的預測時,不能忽略控制的大幅擴大對模預測精度的影響。
  11. The method takes advantage of bezier curve to work out a set of blade profiles of centrifugal pump, using thickening law to thicken the profiles. then the pressure and suction lines of the blade can be obtained. it takes advantage of bezier surface to create pressure and suction surface and makes use of mdt software to create the three - dimensional blade entity

    首先採用速度系數法算得到離心泵葉輪的基本參數,再由b zier曲線生成一組葉輪葉片線,按照加厚原理對線進行加厚,得到正背葉片線,再採用張b zier曲生成葉片正背,由mdt進行三維實體造得到葉片,從而得到算區域的模
  12. Cfd is also used to get the data of performance parameters of the nozzle at different nozzle pressure ratio, different nozzle area ratio and different geometric defected angle. the theory of function approximation is used to establish the transient model of thrust vectoring with the data calculated

    本文通過cfd算獲得矢噴管的性能參數,如系數、推力系數以及有效推力矢角等與矢噴管壓比、比以及幾何偏轉角之間的關系數據,並利用函數逼近理論建立了矢噴管的動態數學模
  13. Incremental length diffraction coefficients ( ildc ) is adopted to calculate the contribution of edge diffraction. in order to improve the accuracy of calculation, multi - scattering is discussed, based on the two former contributions and ray - tracing method. geometrical optics ( go ) and physical optics ( po ) are used to calculate the multi - reflection between facets and facets

    對于鏡反射採用物理光學法算其散射貢獻,結合基於元的目標模的表示,採用離散的分形式,將分化簡為線分,簡化算復雜度;對于邊緣繞射,運用增長度繞射系數理論算目標邊緣繞射場;在多次反射中,則以光線跟蹤方法為基礎,採用幾何光學、物理光學相結合的方法分析考慮多次散射場。
  14. Finishing quantitative remote sensing task on soil losses of 1998 and 1999 in study area. through running the pixel statistical program, we can obtain the results of soil erosion in the drainage basin - the total amount of soil losses of the experimental region were : 4. 84 million tons in 1998 and 8. 69 million tons in 1999 respectively. we also can obtain the results of control areas of soil losses in study area according to soil conservation intensity prediction model : the areas need to administrate was 317. 77 km2 and in dire need of administration was 17. 96 km2 in 1998

    運行像元統程序可獲得該域土壤失結果為: 1998年試驗區土壤失總為484 . 01萬噸, 1999年則為869 . 01萬噸;依防治強度預報模可運算出研究區水土失防治結果: 1998年需要治理的為317 . 77平方公里,急需治理的為17 . 96平方公里;而1999年需要和急需治理的水蝕上升為354 . 45平方公里和18 . 91平方公里。
  15. Then mathematical relationship between the flows of mixture and the throat area, shrinking degree of mixer ( mathematical model ) can be established to meet the aim of the highest power of engine

    以滿足發動機最大功率為設目標,建立起混合氣的與混合器的入口角度和喉口之間的數學關系,即數學模
  16. The characteristics of the equipment are the simpleness of flow, the reasonability of refrigeration fashion, the choice of energy - saving equipments, the security and credibility of equipments - running, the simplenese and applicability of auto - controlled instruments, skid mounted unit and the smallness of occupied area. the disposal ability of natural gas, the quality and yield of product mounted to the design index, meanwhile, and gain the outstanding the economical efficient and social efficient

    該小撬裝天然氣處理裝置程簡單、製冷方式合理、能耗低、設備安全可靠、自控儀表簡單適用,設備露天撬裝化、布置緊湊、佔地小,通過一年多的運行和參數調整,天然氣處理能力、產品產和質均已達到設指標,取得明顯的經濟效率和社會效率。
  17. A new image sampling method and a device for transmission flow measuring are provided, and an edge detection method based on the semantic weight and threshold selection tactics based on the vision model are used to extract the contour, calculate the area and volume within a short time span

    了一種新的用於傳輸檢測的圖像採集方法和裝置,並利用基於語義權值的邊緣提取方法和基於視覺模的閾值選擇策略進行傳輸帶上物質的截輪廓線提取,算物質截和較短時間內的
  18. Single - layer model is convenient to apply but the unclear relationship between radiative and aerodynamic temperatures is still a bottleneck in this field. a new method was developed to derive reliable surface heat fluxes from radiative temperature viewed from arbitrary zenith angle. aerodynamic and radiative temperatures are connected through a so - called optimum component fraction ( ocf ) parameter - the fraction of vegetation in the field of view when the two temperatures are equivalent in oblique viewing

    該方法利用表熱輻射方向性和顯熱通都是源於土壤和植被溫度的貢獻這一共同點,發現在一定傾斜角度的觀測下,視場中植被與土壤的比例可以較好地反映植被和土壤與大氣進行湍熱交換的貢獻率,所以稱該方法為最佳組分比法,用最佳組分比可以將任意角度下觀測到的輻射溫度訂正為空氣動力學溫度,經過地和遙感數據驗證表明,用該方法算的通精度高於普通的單層模
  19. For all the four cases the boundary conditions are exactly the same and the coolant mass flux per unit area in the region with holes on the plate is also the same

    為了便於相互比較,各算模的邊界條件完全相同,而且平板氣膜孔區單位上冷氣均相等。
  20. This product is integrated the microcomputer, liquid crystal display screen, operation button and switch power, it can along simply complete measure, display, self - calibrate, set etc., the product also equip with standard communication interface and switch quantity output interface, can complete telemetering and remote control function. this instruments can be used for many ac spend electricity field to served and measure, estimate and remote concentrated search meter, monitor management due to its small volume, various functions, high accuracy

    本產品內部集成了微控制電腦液晶顯示屏操作按鈕以及開關電源,可以單獨完成測,顯示自校準設定等操作,本產品還配備了標準的通信介和開關輸出介,能夠實現遙測遙控功能。由於體小功能多精度高,可以用在多種交用電場合下的測以及遠程集中抄表監控管理。
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