等速流 的英文怎麼說
中文拼音 [děngsùliú]
等速流
英文
uniform current-
Since supersonic phenomena seldom occur naturally, the first studies of supersonic flow and flight were related to artifacts, from shells to turbines, rockets, and aircraft.
由於自然界難得產生超音速現象，所以超音速流動和飛機的早期研究同炮彈，汽輪機，火箭和飛機等人工產品有關。Due to issues of dongting lake districts flood composition, the evolution of sediment flow, the river and lake ( r & l ) distribution characteristic as well as the layout of r & l - dredging engineering, the article simulated the model of the dongting lake terrain change by using the gis technology and adopted the limited volumetric method to establish the two - dimensional hydraulics computation model of lake in order to forecast the water level, the flow capacity, the speed of flow and changes of flow field after implemented the project, which have provided the reliable theoretic basis for the decision - making and implementation of renovation for river course, canal and harbor and river course - dredging engineering
摘要針對洞庭湖區的洪水組成、水流泥沙演變、河道湖泊水系分佈特點以及河道湖泊疏浚工程布局情況，利用gis技術模擬洞庭湖地形變化，採用有限體積法建立了湖泊二維水力學計算模型預測疏浚工程實施后的水位、流量、流速流場變化，為河道、航道港口整治、河道疏浚清淤等工程決策與實施提供了可靠理論依據。One dimensional non - isentropic flow induced by high - speed train entering a tunnel
高速列車進入隧道時的一維非等熵流According to the high dispersedness and low precision of measurements when using the traditional time difference method in small diameter and low flow rates conditon, this paper brings forward a new method based on high - speed data acquisition technique. the time difference comes out accurately with high resolving ability of time by using the method and the signal processing algorithms. the developed ultrasonic detection system is composed of two ultrasonic detectors, a transmitting and receiving ultrasonic unit, a high - speed data acquisition unit and a computer
本文針對傳統的時差法在小管徑、低流速測量時，具有測時結果分散性大、測量精度受計數頻率的影響大等不足，創造性地把高速數據採集技術應用在超聲波流量、壓力測量上，用信號處理演算法求時差，使時差成為一個統計量，有效地克服了超聲波傳統時差法測量精度差、不能測量小管徑、低流速流體流量的缺點，提高了時差測量的解析度和精度。The thing flows the trolley name carrying trolley ; the surface uses the electricity to galvanize, the contour artisticly, the service life is long ; attaches the security leather belt, the fixed link loading and unloading speed is quick, both is advantageous for the mechanized transporting, and is suitable for the short distance the manual shift, may realize the plan production, saves the manpower, reduces the cost ; with thing and so on turnover box flows the vessel coordination use, may realize the modular management, the setting at space is big, folds the collection not to occupy the space ; is suitable the thing flows the transporting in the enterprise working procedure ; also may or allocates and dispatches the center in the factory to install the cargo to transport to the store, a direct achievement commodity goods part
物流臺車又稱載物臺車；表面採用電氣鍍鋅、外形美觀、使用壽命長；附安全皮帶、固定桿裝卸速度快，既便於機械化搬運，又宜於短距離的人力移動，可實現規劃生產，節省人力，降低成本；與周轉箱等物流容器配合使用，可實現單元化管理，置物空間大，折疊收藏不佔空間；適用於企業工序間的物流搬運；也可在工廠或配送中心裝上貨物運到商店，直接作為商品貨架的一部分。The result presents the characteristics of the current system, including current path, width, velocity, volume transport, display seasonal variation evidently
研究表明，該研究海域的流場特徵，包括流軸、流幅、流速、流量等存在較明顯的季節變化。This article introduced the method of geological investigation of nanling tunnel karst disease, elaborated the tunnel engineering geology conditions, especially the karst water, the karst water power channel and the harm of karst water, and analyzed the cause that produced the karst disease
摘要南嶺隧道巖溶地下水活動造成地表坍陷、洞內泥砂淤塞等病害，其原因在於隧道施工遺留的導洞長期疏排巖溶水，採用地質測繪、物探、鉆探、水文地質試驗等綜合勘察方法，查明地下水通道位置、地下水流速、流向，針對病害原因，提出攔截、封團、疏排、填充等綜合整治方案。Abstract : a combined formula of the constant speed sampling flow is induced through the calibration of a flow meter, the correction of a calibrated flow and the derivation of a real flow
文摘:通過對流量計的校準、校準流量的修正和真實流量的推導，歸納出等速采樣流量的綜合算式，並運用程序計演算法進行快速、準確地計算，真正實現等速采樣。A series of hydraulic model experiments of water flow, head losses and flow state in reservoir under various conditions are carried out for the design of the dashuzi pumped - storage plant
摘要本文結合大樹子抽水蓄能水電站下庫進出水口試驗任務，對側式短進出水口在不同工況下的流速分佈、水頭損失、庫區流態等水流特性進行了水力模型試驗研究。Abstract : the effective shear stress of sediment transport is analyzed theoretically and tested by experimental data. the result shows that the effective shear stress is neither the overall shear stress nor the sand grain shear stress, but the geometric mean of these two stresses. the effective shear stress not only generalizes the flow intensity but also summarizes the flow intensities of mean flow velocity, stream power and unit stream power
文摘:本文通過理論分析及實測資料檢驗表明，無論對於何種泥沙運動狀態，決定泥沙運動的有效切應力既不是沙粒切應力又不是全部切應力，而是介於兩者之間，近似為沙粒切應力與全部切應力的幾何平均值.這一有效切應力不但是對切應力類水流強度指標的總結，還可以概括平均流速和水流功率等水流強度指標The devices based on mrf include shock absorbers, brakes, clutches, polishing devices, hydraulic valves, etc
磁流變液的快速流變性能使其廣泛用於製造減振阻尼器、制動器、離合器、拋光裝置和液壓閥等。Convergence rates of solutions to initial boundary value problem for one dimensional nonisentropic gas dynamics system with damping
帶阻尼項一維非等熵流方程組初邊值問題解的收斂速度Following the successful delivery of new ferry v and new ferry vi from singapore, first ferry ( macau ) commissioned austal ships pty ltd, an australia - based world leader in the construction of high speed aluminum vessels, to build three double deck catamarans with total consideration of hk $ 180 million in 2001. the three new catamarans, namely new ferry lxxxi, new ferry lxxxii and new ferry lxxxiii are designed to gear to passengers demand for first - class service ; speed, smooth and comfortable are their intrinsic values
8億，委託以建造高速雙體船聞名的澳洲澳斯達船廠建造三艘雙層高速雙體船，即新輪捌拾壹、新輪捌拾貳及新輪捌拾? ；三艘新船揉合高速、流暢以及舒適等優點於一身，設計以客為尊，盡顯對乘客的關懷。The authors offer an engineering textbook that " talks directly to tomorrow ' s engineers in a simple yet precise manner, that encourages creative thinking, and is read by the students with interest and enthusiasm
在應用中，包括空氣、蒸汽動力循環和製冷循環以及氣體混合和化學熱力學、氣體高速流動等工程技術應用。Linear accelerator : linear accelerator for medicine could generate x - ray with higher energy, which is currently the main radiotherapy equipment for malignant turmor. it has advantages such as high penetration ability, even fluid speed, minimum penumbra and could be used in treatment on tumors around whole body
由於直線加速器能夠產生較高能量的x線，是目前治療惡性腫瘤的主流放射設備，它具有穿透能力強，速流均整，半影極小等優點，適應證范圍包括身體各部位的腫瘤。These systems can provide many functions such as real time information communications of the whole warehouses operation, instruction connections moved with operations and by radio frequency, rapid circulation and delivery, cross - docking operations and decision support
這些系統能提供整座倉庫作業及時性的訊息傳遞以無線電終端機radio frequency ; rf隨作業移動的指示連系快速流通配送越庫作業和決策支援等等的功能。The results showed that the molten steel enters into the mould assembly in three flows of which the two move upward peripherally at the same time to form symmetrically two eddies at the upper part of the mould, while the other one moves downward peripherally and, eventually, goes out of the mould at the speed about the same
結果表明：鋼液進入組合結晶器後分為三個流股，其中的兩個流股對稱地沿周向流動的同時向上反卷，在組合結晶器的上部形成兩個對稱的漩渦；另一個流股沿周向流動的同時向下流動，最終以幾乎相等的流速流出結晶器。The key issues in this paper are : e - commerce and its characters ; the influence of e - commerce on the innovation of circulation model and the development of circulation industry ; the inner factors and impetus that speed up the circulation to develop itself ; the analysis of e - commerce in china and its electronic trade prospect and it is put forward that the development of e - commerce in china is facing the tasks of marketization and eletronisation and the business between enterprises is becoming the development emphasis in the area of commodity circulation ; the strategy and countermeasure of e - commerce development in circulation industry and it is also proposed that t he overtaking strategy be established to quicken the process of the modernization of circulation industry ; the rule that fits the situation of our country be fixed to make enterprises the main body in using e - commerce ; e - commerce means be used to change the circulation system of our country ; the payment system construction be speeded up and the government promote e - commerce, etc
本文重點研究了電子商務的本質特徵，電子商務對流通方式創新以及流通產業發展的影響，力圖從全新角度探求加速流通自身發展的內因和動力；分析了我國電子商務及其電子交易前景，提出中國電子商務發展面臨市場化與電子化的雙重任務，企業間的業務將成為商品流通領域發展重點；探討了流通業電子商務發展的戰略與對策，提出確立趕超型戰略，加速商品流通業現代化進程；確定適合國情的指導原則，推動企業成為電子商務應用的主體；用電子商務手段，改造我國物流體系；加快支付系統建設和政府對電子商務的推動等觀點。Land contractual management right is circulated from scratch at the present stage, demonstrate : the ones that participated in the subject are multi - level, the variety of the land contractual management right circulation way, scale related to the extention of the trade, circulation time limit are expanding constantly, the characteristic of permeating and expanding each other etc. has existed in the area where the pace is being accelerated and circulated constantly
而土地承包經營權流轉是土地問題中非常重要的一個環節，現階段土地承包經營權流轉從無到有，呈現出:參與主體的多層次性、土地承包經營權流轉方式的多樣性、涉及行業的廣泛性、流轉期限長短的不等性、流轉的規模不斷擴大、速度不斷加快和流轉的區域存在著相互滲透與擴張等特點。The effective law on the frequence and modal of vibration due to the fluid velocity, the fluid press and the number of elements was obtained
得出流體流速、流體壓力、劃分單元個數等對管道的頻率和振型的影響規律。分享友人