減阻方法 的英文怎麼說

中文拼音 [jiǎnzǔfāngfǎ]
減阻方法 英文
drag reduction method
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 方法 : method; means; way; technique; process; procedure; plan; device; recipe; fashion; tool; maneuver
  1. Electric cables - calculation of the current rating - thermal resistance - a method for calculating reduction factors for groups of cables in free air, protected from solar radiation

    電纜.額定電流的計算.熱變電阻.室外避免太陽輻射的電纜組減縮系數的計算方法
  2. Among antihypertensive measures, blockade of the raas by means of ace inhibitors or angiotensin ii receptor antagonists recently emerged as a potentially polyvalent approach, not only for treating hypertension and reducing cardiovascular events, but also to prevent or reduce albuminuria, counteract diabetic nephropathy and lower the occurrence of new type 2 diabetes in individuals at risk

    在抗高血壓藥物治療中，通過用ace抑制劑或血管緊張素受體拮抗劑可阻滯腎素-血管緊張素-醛固酮系統激活，最近其可作為一種潛在多能的治療方法，不僅可治療高血壓和減少心血管事件，也能夠預防或減少蛋白尿，阻止糖尿病性腎病變，並使新糖尿病患者發生風險性降得更低。
  3. 4. engineering dhqase ( arod ) - deficient e. coli mutant with a second copy of the arob gene gene targeting technique was used to disrupt the arod gene in e. coli chromosome. the mutant 31bk was engineered, in which homologous recombination of the arobkanr gene cassette into the arod locus ( arod : : arobkanr ) of the e. coli strain atcc31884 genome utilized the helper plasmid pkd46 with red system. the host cell 31bk lacked catalytic activity of dhqase ( arod ) and had a second copy of the arob gene, so it improved carbon flow into the quinic acid biosynthesis direction

    構建宿主菌基因精確定位突變株31bk （ arod : : arobkan ~ r ）為了改變代謝途徑脫氫奎尼酸（ dhq ）分支點上的代謝流量，使之充分流向目的產物奎尼酸合成方向，利用基因打靶技術構建了31884宿主菌arod基因精確定位插入突變體，使dhq脫水酶（ dhqase ）失活，阻斷了碳代謝流流向芳香氨基酸生成的方向，同時用同源重組的方法將arob基因定位整合入染色體上，解除了限速酶對碳代謝流通過共同途徑到達dhq的阻遏影響，並減輕代謝負擔。
  4. Abstract : rased on practice conditions, both the dynamic characterization of motor vehicle under random forces exciting of the ground state and methods by using damping vibration control are investigated in this paper

    文摘:研究車輛行駛過程動力特性，結合實際條件，給出了車輛彈簧阻尼減振器減振效果的阻尼調置方法。
  5. Evaluation procedure for oilwell cement friction reducers

    油井水泥減阻劑評價方法
  6. Fault location techniques are used to pinpoint location of the fault on a tra - nsmission line. transmission line faults must be located accurately to allow maintena - nce crew to arrive at the scene and repair the faulted section as soon as possible, which can relief the burdens of patrol personnel and reduce the revenue losses due to power outage. the accurate fault location alogrithms play an important role in power system safety, economy and reliability. in this paper, diversified fault location algorithms are summarized. according to the principles of algorithms, they can be classified into two categories : impedence based algorithm and traveling wave based algorithm. based on the analysis and comparission of each algorithm, the corresponding merits and app - lication limitations are presented

    精確的故障定位為現場巡線工作人員及時提供準確、可靠的信息，減輕人工巡線的負擔，同時加快線路的恢復供電，減少因停電造成的綜合經濟損失，為提高電力系統運行的安全性、經濟性和可靠性發揮重要的作用。本文總結了現有的各種測距方法，根據測距的原理將其分為阻抗法和行波法兩大類，對各種演算法的優缺點及適用范圍進行了分析，在此基礎上提出了一種組合的測距方案，並對演算法進行了模擬分析。
  7. This paper put forward a method, which is used to identify the blow - off point of shock absorber valve system, based on the damping - displacement characteristic test of shock absorber, conversation of energy and equivalent damping coefficient

    摘要以減振器示功特性試驗為基礎，以能量守恆為依據，提出一種以等效阻尼系數為對象的識別減振器閥系開閥點的方法。
  8. Through studying the working mechanism of the composing, the paper referred the bearing ' s analyzing model and designing flow. through shearing test of high damping rubber, the paper analyzes the influence of shearing shape, shearing strain range and inspiriting frequence on the characteristic parameters ( dynamic shear elastic module, dissipation engineering module, wasted gene ). according to the rule of equivalent energy, the paper gets the hysteretic curve of hdr ' s equivalent bilinear model and parameters ' calculating formula

    本論文通過對這種分離式減震支座各組成部分工作機理的研究，提出了該分離式減震支座整體的計算分析方法和設計流程；通過高阻尼橡膠剪切試驗，分析了高阻尼橡膠剪切面形狀、剪應變幅值、激勵頻率和試件高度對特徵參數（動態剪切彈性模量、耗能模量、損耗因子）的影響。
  9. The numerical algorithm of solving the adjoint equations for different design cases have been developed by using finite volume methodology which is usually used to solve the flow governed equation. it includes the some important aspects, such as flux formulation, wall and far - field boundary treatment methodology, dissipative term formulation, etc. after the solution of the adjoint equations is obtained, the derivatives of the cost function with respect to all the design variables can be evaluated with the same operation. this can yields a significant saving over the other gradient - based techniques when there are many design variables

    （ 3 ）進行了應用控制理論和三維歐拉方程的機翼氣動反設計研究，以及有升力約束情形下機翼跨音速減阻問題研究，分別推導了相應的共軛方程及邊界條件數學表達形式，研究與發展了三維共軛方程的有限體積數值求解方法，及相應梯度公式的數值求解方法，通過對計算網格生成、流場計算、共軛方程數值求解、梯度求解和優化演算法等多方面的有效結合，成功發展了三維機翼的氣動反設計和跨音速減阻優化設計程序，成功地進行了多個設計算例研究。
  10. Fist ly, use mass equivalent method to predigest the original rotor system. secondly, use transfer matrix arithmetic to have finished the relative program to calculate the critical speed of flexible multi - tray rotor bearing system by matlab language. thirdly. finish program the unbalance response using riccati - transfer matrix arithmetic and finity buck arithmetic. fourthly, answer to the high vibration of uncontroled system when cross the critical speed, come out to adopt changing clearance damper bearing to control the viberation

    本文對多柔盤轉子-支承系統的振動現象做了以下初步探索：用質量離散化方法把原轉子系統簡化；採用matlab語言編制了對傳遞矩陣法計算多柔盤轉子-支承系統的臨界轉速；用matlab語言對riccati傳遞矩陣法和有限元法編制了程序計算系統的不平衡響應；並針對其過臨界轉速時振動較大的現象，提出採用變間隙控制油膜剛度和阻尼，從而使原系統的在特定轉速（臨界轉速）的一段范圍內不平衡響應減小；並從被動控制與主動控制兩方面進行數值模擬，取的了較好的控制效果。
  11. Climate change is a real problem and the only way to tackle it is to reduce the gap between the price of fossil - fuel energy and alternative energy

    氣候變化確實是個問題，阻止它的唯一方法就是減少化石燃料與可替代性燃料之間的差價。
  12. Influencing factors of frictional resistance coefficient and main solutions to reduce frictional resistance coefficient

    輸氣管線摩阻系數的影響因素以及減阻的主要方法
  13. After deducing simplified general formula, a method for calculating structure and performance parameter of water hydrostatic bearing is presented, in which the throttle function of short damping hole is employed to decrease water film thickness and to improve the bearing performance

    由於滑靴的靜壓支承性能較差，因此在推導出簡化通用公式后，提出了計算水靜壓支承結構和性能參數的方法，利用短阻尼孔的節流作用來減小水膜設計厚度，提高支承性能。
  14. A novel method for reducing the substrate - rated losses of integrated spiral inductors is presented. the method is that directly forming pn junction isolation in the si substrate to block the eddy currents induced by spiral inductors. the substrate pn junction can be realized in standard silicon technologies without additional processing steps

    提出了一種新的方法來減小硅襯底損耗提高集成電感的q值：在硅襯底形成間隔的pn結隔離以阻止渦流減少損耗，這種方法工藝簡單且與常規硅集成電路工藝兼容。
  15. The harm of stray current is described in detail and the reduction methods are proposed

    闡述了減小鋼軌電阻、增加泄漏路徑對地電阻、設置雜散電流收集網等減少雜散電流的方法。
  16. As an alternative, it has been proposed that swimmers should turn to close to 90 degrees to each side when swimming crawl and back strokes, that position supposedly reducing resistance

    替代的方法是應該在爬泳和仰泳時盡量向兩側旋轉並盡量接近90度角，這樣的姿勢被認為可以減少阻力。
  17. Eddy current decay method for measurement of resistivity and residual resistance ratio of pure metals

    純金屬電阻率與剩餘電阻比渦流衰減測量方法
  18. The second approach is based on the use of protocols of stimulation that suppress cortical excitability, targeting the intact hemisphere in order to counteract the imbalance due to the increased interhemispheric inhibition onto the lesioned cortex, and reducing the potential negative interference of the intact hemisphere with the function of the affected one

    第二種方法是建立在抑制皮質的興奮性這樣的刺激設計應用，目標是未受累側半球，來阻礙由於受損皮質半球內抑制而增強的不平衡，減少未受累半球對受累側功能潛在的負干擾。
  19. These measures include installation of lightning lines, decrease of the tower grounding resistance as far as possible, the reasonable use of arc suppressing coils and adoption of arresters

    處理方法包括加裝避雷線、盡量減低線路桿塔接地電阻值、消弧線圈的合理使用和採用線路型避雷器。
  20. The experimental results on seismic simulator verify that the mr damper in the passive off mode provided the information on the minimum effectiveness of the damper if the external power was cut off, in which the seismic responsesof the tall building and podiun structure were reduced. when the mr damper worked in the six kinds of semi - active logic control methods, the seismic responses of the two building were further reduced compared with those when the mr damper worked in the passive off mode

    地震模擬振動臺試驗結果表明： mr阻尼器的passiveoff方式是外部電源被切斷時的最低控制效果，能消除原結構地震反應的鞭梢效應，並使主樓和裙房的地震反應有一定的減少，六種半主動邏輯控制方法的減振效果比passiveoff方式更好，多mr阻尼器控制的效果優于單mr阻尼器。
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