低阻力體 的英文怎麼說

中文拼音 []
低阻力體 英文
low-drag body
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : 體構詞成分。
  • 阻力 : 1 (阻礙事物發展的外力) obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
  1. Roll over protective structure ( rops ) is a device which installs on out of construction vehicle. the main functions are : when the vehicle rolling over. rops can prevent the vehicle from rolling over further, and reduce the possibility of rolling vehicle injures operator ; when the vehicle traveling on freezing soil. concrete and rock, it has large resist continuous impact ability ; when the vehicle overturning rops can support the whole vehicle. arrangement of falling object protective structure ( fops ) can block objects ( such as trees, rocks ) so that supply protection for operator. this problem is that research rolling over and falling objects protective structure of bulldozer by learning research condition of rops / fops and relative lay down international standard. on the base of theory analysis. detrudes counting formula of rops / fops deformation through founding mechanics analysis model of rops / fops at the stage of elasticity and plastoelastic. and finds a set of feasible nonlinear finite element analysis counting. lt calculates rops / fops plastoelastic deforma variable of 320hp bulldozer, bulldozer has been carried out by optimizing design method

    其主要功能是:當車輛滾翻時, rops能刺入未凍土壤而止車輛的進一步滾翻,降滾翻的車輛對系著安全帶司機軋傷的可能性;保證rops在碰撞和沖擊變形不大的地面(如凍土、混疑土上、巖石)時,能具有相當大的抗連續沖擊能;當車輛已經處于顛覆狀態時,已經變形的rops應能支撐住整車。落物保護裝置(簡稱fops ) ,其構件的布置方式要能遮蔽墜落的物(如,樹木、巖石等) ,以便對司機提供適當的保護。本課題主要通過了解國內外有關對rops fops的研究情況和有關國際標準的制定,對大型推土機傾翻和落物保護裝置進行研究,在理論分析的基礎上,通過建立rops fops的學分析模型,推導彈性、彈塑性階段rops fops變形的計算公式,建立一套可行的rops fops的非線性有限元分析計算方法。
  2. The two sunspots of a pair have different polarities, one would be a magnetic north and the other is a magnetic south. thus, we believe that there are magnetic field lines joining the two sunspots of a pair. the strong magnetic field locks the gas of the photosphere in places and inhibits the hotter gas below to rise at the sunspots

    黑子經常成雙成對出現,每對皆由極性相反的黑子組成,若一個為磁北,另一個必為磁南,由此我們估計每對黑子皆由磁線所連系,強大的磁場牽制著光球層上的氣,並止了下層較熾熱的氣上升至黑子范圍,結果黑子比太陽表面其他地方溫度較
  3. Choose two nodes on the edge of the structural to compare the results calculating by the finite element program midas, then we can draw a conclusion that these kinds of space truss systems is sensitive to the libration of the dynamic wind loads. to consider this factor is very necessary in the process of design, we will use the pulsant augmentation coefficient to realize it

    比較靜風荷載和動風荷載作用下的有限元軟的計算結果,選取結構邊緣部分的兩個節點,對比它們在兩種方法計算下的最大位移的計算結果。經過比較可以看出重量輕、頻率尼小的柔性建築物對風荷載的橫向振動是很敏感的,在進行工程設計時應該考慮這種因素,並可採用乘以風振系數等相應方法來加以現。
  4. New ) keeping head down and in line reduces drag

    新:頭降在身直線上會減少
  5. This kind of hepa filter can reduces pressure loss from two aspects. on the one hand, it chooses melt - blown tiny polypropylene electret filtration medium

    它主要從兩方面來降高效過濾器的:一是選用了熔噴型超細聚丙烯駐極濾料。
  6. Study shows that the effect of the shock of heavy rain on an airplane in the low - level wind shear of thunderstorms is evident, the flight resistance resulted from the roughness of airplane is able to change the flight track and endanger the flight safety, whereas, the increase in the mass of airplane caused by the water film on the airframe and its wings in heavy rain is nigligible

    結果表明:雷暴空風切變中大雨雨滴的沖擊作用是明顯的,被粗糙化的機所產生的能顯著改變飛行軌跡,並能影響飛行安全;累計在機身和機冀上的水膜厚度造成的飛機質量的增加對飛行的影響可以忽略。
  7. The horizontal and vertical momentum loss caused by the shock of heavy rain in low - level wind shear of thunderstorms on the airframe and wing are analyzed, the water film thickness on the airframe and wings estimated, and the flight resistance resulted from raindrops - striking caused by the roughness of airplane when the heavy rain shocks the airplane is discussed

    摘要分析了雷暴空風切變中大雨滴沖擊飛機的機身和機翼而引起的水平和垂直動量損失,估算了大雨累計在機身和機翼上的水膜厚度,並討論了因遇到大雨雨滴沖撞而粗糙化的機所產生的
  8. It can clear out redundant cholesterol and triglyceride in blood, decrease very low density lipoprotein and enhance high density lipoprotein which is beneficial to human body. this product has effects of activating blood and the channels, tonifying the heart and promoting urination, regulating the flow of qi to alleviate pain, preventing and curing heart failure, and the effects of inducing reuscitation and restoring consciousness. 3

    藥理研究:葛根能增加腦及冠狀動脈血流量,使血管相應減,清除血液中多餘的膽固醇及甘油三脂,降密度脂蛋白,同時提高對人有益的高密度脂蛋白,具有活血通絡,強心利尿,理氣止痛,防止心衰,且具有開竅醒腦之功效。
  9. Strain with other difference of method is it filter medium to be space very much little to lie inning a little, the centrifugal force turned round through the screen mesh, under lower water conservancy obstruction, have higher velocity of flow, cut and keep the solid here and suspend

    微濾與其它方法的區別在於過濾介質空隙特別小,藉助篩網回轉的離心,在較的水下,具有較高流速性,截留住懸浮固
  10. The bionic non - smooth technique was applied to the centrifugal water pump to modify the liquid flow structure in the pump to reduce the hydraulic drag in the liquid - solid interface, resulting in the enhancement of the pump efficiency

    摘要基於仿生非光滑技術,通過改變離心式水泵中液的流動結構降固液界面的,研究了水泵的增效問題。
  11. This distributor use small space. has more distribute hole, little gas resistance, low pressure drop, wide operation flexibility

    該氣液分佈器空間佔位更,氣通道開孔率更大,氣流小,壓降,操作彈性范圍大。
  12. In the first, designed and set up the visual experiment equipments, and carried on the visual experiment, the characteristic of low re flow was analyzed through injecting ink to the channel ; secondly, in order to analyzing channel fluid conduct heat mechanism of strengthening further, heat transfer and fluid flow experiment study device was designed and set up, and carried on the experiments under the equal heat flux border situation

    首先設計並建立了可視化實驗裝置,進行可視化實驗。通過向通道注墨水以顯示流流動狀況,分析了re數時的流流動特點;其次,為進一步深入分析通道內流傳熱強化機理,設計並建立了換熱及流流動實驗研究裝置,進行了等熱流邊界條件換熱和流流動實驗。
  13. Taking some tubular air pre - heater used in one boiler whose capacity is 130 t / h as an example, new blue print with inner trachea is completed by means of computer program. several key design variables may be changed, such as diameter of pipe and velocity of flow of gas. these cases have been considered, and their results have also been compared with each other

    比較了幾個重要的設計變量,如外管徑、煙氣流速等參數變化時,總傳熱系數和空預器本管子總重量,損失以及最管壁溫度等幾個重要設計結果的變化趨勢,對內螺紋管空氣預熱器的設計具有借鑒意義;其間還分析了內螺紋管與光管在設計時的不同之處;最後,初步分析了內螺紋管的優化設計問題,提出了一些建議。
  14. The molecularly imprinted monolithic column is developed in hplc, due to its simple preparation, high selectivity and low flow resistance. its progress of the preparation, characteristic and mechanism are reviewed

    分子印跡整柱具有制備簡單、特異選擇好及傳質等優點,在高效液相色譜中的應用發展迅速。本文綜述了分子印跡整柱的制備、表徵及分離機制等的研究進展。
  15. The analyses include demand - supply analysis, cost - revenue analysis, game analysis, neo - institutional economics analysis. through these analyses, we disclose the operational mechanism, favorable and unfavorable factors of the informatization of enterprise. in the end, this article analyze the actual condition of the informatization of enterprise in our country, points out existing problems, for example, the overall level of the informatization of enterprise is not high ; the input is not enough ; the required human resource is lacking ; and puts forward some measures to develop the informatization of enterprise in our country, such as improving the recognition of society, devising effective stimulus - commitment mechanism, improving the input, and the efficiency of investment, etc

    最後,文章考察了我國企業信息化的現狀,指出了其中存在的一些問題,如我國企業信息化整水平不高,且發展不平衡;我國信息化投入資金不足,且投資效益下;信息化所需人資源缺乏,等等;並提出了促進我國企業信息化發展的若干措施:通過各種方式提高企業、政府和公眾對企業信息化的認識;對企業各層次人員設計有效的激勵?約束機制,增加企業信息化的動,減少;進行企業信息化的需求分析和成本收益分析,為科學決策奠定基礎;加大對企業信息化的投入,並努提高投資效益等一系列措施。
  16. This effect has been hypothesized to occur through an initial reduction in sympathetic outflow from the central nervous system with its associated decrease in vascular resistance, followed by a peripheral vascular receptor mediated increase in vasoconstriction ( 1, 4 )

    該作用被假設發生,通過對來自於中樞神經系統的交感系統的最初抑制,伴有相關的血管的降,並伴隨著外周血管受介導的血管收縮的增加[ 1 , 4 ] 。
  17. Low viscous drag and high - speed capability : the low viscous drag of the magnetic fluid, and non - contacting seal configuration of the magnetic fluid feed through assure its extremely smooth operation and its high - speed capabilities

    尼和高速旋轉能:磁性流的粘滯和磁性流進行給裝置無需接觸密封圈的結構,決定了它的穩定操作和高速轉動。
  18. A major technological challenge is to reduce this drag in order to minimize the energy needed to transport fluids like oil in pipelines, or to move ships in the sea or aeroplanes in the air

    科技上一個重要的挑戰便是如何減湍流流動中的,從而減省運輸流(如原油) 、以及船隻和飛機航行時所需要的能源。
  19. This effect has been hypothesized to occur through an initial reduction in sympathetic outflow from the central nerous system with its associated decrease in ascular resistance, followed by a peripheral ascular receptor mediated increase in asoconstriction ( 1, 4 )

    該作用被假設發生,通過對來自於中樞神經系統的交感系統的最初抑制,伴有相關的血管的降,並伴隨著外周血管受介導的血管收縮的增加[ 1 , 4 ] 。
  20. Based on the major parameters deduced the traditional experiences and a lot of experiments, this paper brings forward a new, on hydrodynamics computing equation of the circulation oil volume of the lubrication system and the minimize pressure required in the main oil channel, also says briefly several part resistance coefficient which is used usually

    以傳統的、由大量實驗而得出的發動機潤滑系統各主要參數為基礎,提出了一種新的、以流學為依據而得出的潤滑系統循環油量和各泄漏量的計算公式,以及主油道所需最油壓的計算公式;簡要地介紹了潤滑系統中常見的幾種局部系數。
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