有效速度 的英文怎麼說

中文拼音 [yǒuxiào]
有效速度 英文
effective eed
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 有效 : effective; valid; efficacious
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(土層厚機質層厚、質地、團聚體、水分含量等) ,化學肥力退化指標(機質、全n 、全p 、全k 、堿解n 、p和k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. Using this method to dispose interference of output signal of sensing elements, the interference caused by fixed position heat source of constant and adagio variable temperature can be effectively eliminated in exterior

    用這種方法對敏感元件的輸出信號進行處理可以十分地消除位置固定(或移動很慢)的熱源所產生的干擾。
  3. Similarly for a weapon of lower energy, the effective distance is less, but so also is the rate of ascent of the cloud.

    同樣,對于威力較低的武器來說,距離要小些,雲的上升也同樣小些。
  4. Firstly, bottle of topology discovey speed is discussed, then asynchronism and multi - thread are used to quicken discovery process

    首先,本文討論了網路拓撲發現的瓶頸,提出了一套行之的方法。
  5. Electronic commerce depends upon rapidity and precision, it put forward two basilic request for a enterprise, one is that the enterprise must integrate all interior information system so as to response rapidly to market, the other is that the enterprise must integrate its interior information system and exterior information system so as to cooperate smoothly with exterior enterprises

    電子商務以和準確性為前提,它提出了兩個很重要的要求:企業對市場的反應及企業與外部資源的協作能力。一方面,企業如果缺乏高率的內部資源整合將無法快地對市場作出反應;另一方面,企業只整合內外部信息資源才能夠做到企業間的信息集成和協同運作。
  6. Based on the analysis of the beat frequency signal, the expression of the beat frequency phase is deduced. the expression indicates physics meanings of quantities to be detected and supplies theoretical bases for detection methods. by using two - dimensional fft, the range and velocity information of target is got out from the echo. according to the periodicity range ambiguity of symmetrical pulses in fmpcw, the processing method of sliding time window is used

    通過對差頻信號進行的分析,得出了差頻相位的具體表達式,表現出了要檢測的各量的物理意義,對檢測的方法提供了理論依據。利用二維fft方法,可以地提取回波中目標的距離與信息。對于fmpcw信號由於均勻脈沖產生的周期性距離模糊的問題,採取時間波門的處理方法。
  7. The primary results showed : using m199 as diluents containing 20 % bovine serum, it is better to freeze the cells slowly freezing at fist then increase freezing speed ( for example, from 0 to - 6 freezing speed is about - 0. 05 a minute, from - 6 to - 40, freezing speed is about - 0. 5 a minute ), studies on effect of various concentration of dmso demonstrate that about 12. 5 % dmso gave the highest post - thaw percentage of viable cells. the concentration of bovine serum had no different effect on the percentage of the viable embryo cells of misgurnus auguillicaudatus. the embryo cells derived 6 from the later stage of blastula offish is more resistant to the cryogen than the cells of early stage of blastula. the cells preserved in liquid nitrogen at - 196 were thawed and cultivated, a few cells were found adhere to the surface of culture vessel when the percentage of viable cell was more than 30 %. the cells in only two culture vessels were found to proliferated and gave rise to many small morphologically undifferentiated cells

    研究初步表明:以細胞培養液m199 (含2既的小牛血清,常規量雙抗)為凍存稀釋液對泥鰍胚胎細胞冷凍保存宜採取先慢后快的方式(例如,從0一一6 ,凍存為一0 . 05 / min ,再以一0 . 5 / min的從一6一一40 ) ; dmso的保護應濃為12 . 506左右;小牛血清的濃對泥鰍胚胎細胞的成活率影響不明顯;囊胚晚期細胞抗凍性比中早期強;通過對不同批次的凍存細胞解凍培養,解凍后成活率為30 %以上細胞培養數天後均少數細胞貼壁,但只發現兩瓶培養細胞明顯增殖現象產生許多未分化的小細胞。
  8. The electronic heater can heat up fast and safely. it also functions as a steamer

    以電熱為燃料能源,既方便,而且加熱快,蒸氣鍋爐之同功
  9. For increasing the effective material peak - value power ( empvp ), solving the contradiction between enhancing the pmsm ' s flux - weakening capability in the electromotor state and reducing the pmsm ' s connatural adjustment ratio in the dynamotor state and improving the efficiency of the pmsm, some solving method are taken as follows : the influence of length / diameter ratio to the empvp is analyzed, and the optimum size of length and diameter is chosen

    主要是從提高電機的材料峰值功率、解決pmsm提高電動機運行狀態時的弱磁擴能力和減小發電機運行狀態時的電壓調整率之間的矛盾及提高電機的率著手,分析了長徑比、氣隙長材料峰值功率的影響,並確定了它們的最佳尺寸。
  10. Another topic of this article is to try to find a proper overlay design method. by using elastic layer system ( els ), finite element method ( fem ), genetic arithmetic ( ga ) back calculation and efficacious thickness method, the paper puts forward four design methods. the results say that the position where the max stress appears is not the only one but varies with the thickness of overlay

    根據陜西省高公路瀝青路面病害以及使用性能的實際情況,提出了代表彎沉值的計算方法以及下臥層模量的反演方法,在此基礎上利用彈性層狀體系理論、限單元理論、遺傳演算法以及法等理論對加鋪層厚設計方法進行了研究。
  11. To support all customers in maximizing their igen3 investment, fuji xerox is introducing a new customer development role : the smart press production consultant, to help ensure our customers take full advantage of the igen3 s many benefits and get off to a fast start, in the new production print business

    "智印"技術在工作smartpress "智印"技術是docucolor igen3配置的智能控制及工程,可將生產力和質量提高到新的高,加快周轉,也使按需列印達到前所未和成本益。
  12. The design of the rocket nozzle also has much to do with the behavior of the exhaust and the resulting velocity of the vehicle itself.

    火箭噴管的設計與排氣的性能及飛行器本身的有效速度很大關系。
  13. The experimental results are helpful to understand the acceleration mechanisms of the hot electron emission in the interaction of the us - ui laser pulse with plasma. an anisotropy energy distribution of the hot electrons emiaon has been observed for the first time in the experiments. the energy spectrum of hot electrons resulted from the resonance absorption at the direction of target normal is a maxwellian - like distribution

    E11分佈,擬合的超熱電子約200kev左右,超熱電子的最大能量約zmev ,加電子的主導機制是共振吸收機制;反射方向超熱電子的能譜在低能段出現一個局部的平臺( pla1leau ) ,呈現出非類maxwen分佈,這是幾種加熱機制共同作用的結果,其中佔主導地位的是反射激光加機制。
  14. Generally, the mobilization prepared plan is one of the information base for the mobilization decision - making, and could act as an assistant for the decision maker in mobilization decision - making. however at present, the role of the mobilization prepared plan for supporting the mobilization decision is fulfilled by the decision maker through reading the prepared plans, thus in the urgent mobilization situation, the effect of the mobilization prepared plan for the mobilization decision support is not so good since the limited knowledge of the decision maker as well as their limited ability for handling the knowledge

    在經濟動員管理中,動員預案和動員決策間存在著密切的關系,通常動員預案是動員決策的信息基礎之一,能夠輔助決策者進行動員決策,但是目前動員預案對動員決策的支持作用是由決策者通過解讀動員預案來完成的,這樣在緊急的動員情況下,由於決策者經驗知識和知識處理能力限、緩慢,就限制了動員預案對動員決策支持的性。
  15. Loading grads is another non - structure coefficient influencing loading characteristics except loading frequency. the low grads characteristics are analyzed deeply by simulation, and found that applying structure invariance principle with acceleration compensation can reduce loading grads effectively. the dissertation also simulates and compares the systems with connect hole of different size, and founds that the size of connect hole has an optimized value

    加載梯是除了加載頻率之外另一個影響加載性能的非結構上的參數,論文作了大量的模擬分析來研究小梯加載特性,得出了具補償的結構不變性原理可以的降低小加載梯時的多餘力矩的影響;通過對具不同的總壓力流量系數的系統的模擬比較,得出了連通孔的大小在不同工況下存在一個最優的值,其開需要合理的選擇。
  16. For shutters, the results show : 1 ) according to the formula p =, the theoretical value of is calculated by the effective velocity of the flow, and its engineering value is calculated by the arriving velocity of the flow, the relationship between the theoretical value of and its engineering value is 2 ) the smaller value of declining angle will result in the smaller pressure loss and smaller outlet velocities. as a result, the declining angle of 30 擄 or less is recommended in some places which need small wind velocity, such as broadcasting studio and library, and the declining angle of 45 擄 or less is recommended in places which need big wind velocity, such as cinema and office ; 3 ) the larger value of ratio between the wide of the shutter b and the space between two boards h ( b / h ) will result in the larger pressure loss and smaller outlet velocities. the range of b / h from 0. 8 to 2. 0 and the optimum value 1. 2 is recommended ; 4 ) the range of b from 10 mm to 50 nun and the optimum value 40 mm is recommended ; 5 ) the proper thickness of the boards 8 of the shutters is 1. 5 mm ; 6 ) cuneiform boards should replace the rectangle inlet boards of the shutters in order to obtain better ventilation

    數值模擬採用fluent軟體,計算結果用excel進行處理,通過對大量數值工況進行數值模擬計算,結果表明:對于單側百葉風口,計算表明: 1 )對于公式p = ( ~ 2 ) 2 ,的理論計算值中定義為流體流經百葉風口內部時的,即有效速度,而工程上常使用流體的來流來計算,計算表明,的理論計算值與工程應用值的關系為( _ (理論) ) ( _ (工程) ) = 0 . 813 ; 2 )當來流一定時,擋板傾斜角越小,壓力損失越小、出口越小;因此在要求進口風比較小的場所,如播音室、圖書館等,宜採用擋板角30的百葉風口;在要求進口風比較大的場所,如電影院、辦公室等,百葉擋板的角應選45 ; 3 )當來流一定時,百葉擋板的擋板寬b與擋板間距h的比值b h越大,壓力損失越大,出口越小,計算表明,鑒于壓力損失、出口風、板間形成渦流區的大小,百葉擋板的b h值取0 . 8到2 . 0之間, b h = 1 . 2為最佳值; 4 )當來流一定時,在計算的條件下,當百葉擋板寬b = 40mm時,百葉擋板的阻力系數最小,考慮到渦流區等的影響,建議選用10mm b 50mm的百葉擋板;西安建築科技大學碩士學位論文5 )百葉擋板的厚取為1 . sinln為好; 6 )百葉擋板的入口側可選用具傾斜的楔形擋板來代替矩形擋板,利用其較好的導流作用,可得到更好的出流果。
  17. Identifying lithology according to logging data by self - organized neural network not only has stronger self - organizability, adaptability and fault - tolerance, but also has small calculation and gets quick returns compared with other methods of netural network

    摘要利用自組織神經網路對測井數據進行巖性識別,具較強的自組織性、適應性和較高的容錯能力,與其他神經網路演算法相比,計算量小、收快。
  18. It is of great importance and necessity to reform and refresh the o & m modes experienced among the most of the provinces and regions to pull forth the level of service with efficiency and to cater for the demand of customers and to eliminate the obstacles of development of expressway management system. its main objective is to exert the social and economical benefits of construction of expressways through a system of highly efficient and well - organized o & m mode

    在高公路以前所未和規模向連線成網加快發展的新時期,如何對高公路這一現代化交通設施進行的管理,如何消除現行管理體制中妨礙高公路發展的因素,建立起適應社會主義市場經濟要求,適合高公路特點和運行規律的統一、高的管理體制,充分發揮高公路的經濟益和社會益,成為高公路發展中迫切需要回答的課題。
  19. The computation should be as below : firs t to process and analyze the data with software - sas, spss and so on ; then to set up linear production function, cobb - douglass production function and quadratic production function ; and to calculate total returns, marginal returns and average returns ; and finally to carry out comparative analysis about all the computation results of different methods

    除此以外,還建立了線性生產函數、二次生產函數等不同類型的數學模型,並對不同方法的計算結果進行對比分析,以尋找最切合實際而行之的經濟學方法。分析表明:在時間演變上,張掖綠洲農業水資源總益是遞增的,而且具,反映了農業技術進步對生產發展的促進。
  20. Based on the analyses of velocity field and temperature field, with using valid - temperature - difference as evaluation target, the author calculates and analyzes the thermal comfort character of guest rooms

    在對室內溫場、場分析的基礎上,採用「差」作為評價指標,對客房的熱舒適性進行計算、分析。
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