速度常性 的英文怎麼說

中文拼音 [sùdùchángxìng]
速度常性 英文
velocity constancy
  • 速 : 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 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. （快慢的程度） speed; rate; pace; tempo
  1. 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 ，凍存速度為一0 . 05 / min ，再以一0 . 5 / min的速度從一6一一40 ） ; dmso的保護效應濃度為12 . 506左右;小牛血清的濃度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有少數細胞貼壁，但只發現兩瓶培養細胞有明顯增殖現象產生許多未分化的小細胞。
  2. Measurements of physical properties indicate that the rutile - bearing eclogite, due to its very high seismic velocity and density, can produce reflections and gravity anomalies

    巖石物性測定表明，金紅石榴輝巖的縱波速度極高，會產生明顯的反射與重力異常。
  3. But sometimes self - excited oscillations and noise may appear in hydraulic flapper - nozzle servo - valve if its construction is not selected very correctly. if self - excited oscillations and noise appear in hydraulic servo - valve, the performance of hydraulic control systems may lose stability

    因它具有非常快的響應速度，所以是目前應用最廣泛的伺服閥，但它也存在自激現象，容易產生自激噪聲和振蕩，嚴重影響伺服控制系統的穩定性。
  4. By hydraulic modeling, this paper describes studies on the stability of a floating bulkhead operating in standing water and flowing water, and it ' s hydrodynamic stability characteristics that distinguish in standing water from in flowing water ; and direct measurements of the forces acting on the model floating body during floating and sinking is taken. as a result, the rotation stress curves are produced and analyzed ; to provide data for optimum operation schedule analyses of the sluice, the relationship of the impact forces acting on the side wall of the gate and the running speed is studied ; the reasons of unstably uplifting of the bulkhead are discussed and the method to solve the problem is also given in this paper

    本文結合常州新閘防洪控制工程水工模型試驗，系統分析了浮箱門在靜水和動水中的穩定性及其影響因素，指出靜水穩性和動水穩性的不同特點；試驗測定了浮箱門動水運行時的受力情況，給出並分析了定位過程轉動力的變化過程曲線；根據浮箱門啟閉速度與門體和岸墻之間撞擊力大小的關系，選擇合理的動力設備，為設計和工程實踐提供可靠依據；分析浮箱門難以穩定上浮的原因，並給出解決方案。
  5. For a ball domain and a constant angular velocity, both existence theorem and non - existence theorem are also obtained by using the time - maping method, depending on the adiabatic gas constant r

    其中，在球形區域中有以下一些結果：我們通過打靶法得到了，當角速度是常數時，方程組（ 0 . 1 ）解的存在性和非存在性。而且該解依賴于絕熱常數。
  6. Ndfeb magnet is mainly made of neodymium iron and boron, with excellent magnetic property abundant raw material and reasonable prices, ndfeb magnet can be used as an ideal magnet in mini - motor permanent magnetic resonance sound device magnetic suspension system, magnetic transmission machine and iatrical apparatus and etc. for ndfeb, its surface is usually treatd with some special methods. the surface treatment method include zine nickel tin silver gold plating phosphor and spray epoxy resin etc

    其主要應用在微特電機、永磁儀表、電子工業、汽車工業、石油化工、核磁共振裝置、音響器材、磁懸浮系統、磁性傳動機構和磁療設備等方面。釹鐵硼磁鐵容易生銹、氧化，所以對釹鐵硼磁鐵，其表面通常需作電鍍處理，如鍍鋅、鎳、銀、金等，也可以做磷化處理或噴環氧樹脂來減慢其氧化速度。
  7. In the first part, the steady nonlinear vortex lattice method is adopted to calculate the hydrodynamic characteristics of open water ichthyoid rudder, and the induced velocity of ichthyoid rudder is calculated using panel method

    本文理論計算部分，採用定常非線性渦格法計算魚形舵的水動力性能，用面元方法計算舵流場的誘導速度。
  8. A number of kanamycin resistant transformants were obtained two months later. they were morphologically normal, but grew slower comparing with the control tobacco

    2個月後獲得了一批卡那黴素抗性煙草植株，抗性植株大田生長表型正常，生長速度相對緩慢。
  9. High up above him there was a clicking of ewers and basins, a sound of laughter and of people calling to one another, a banging of doors, which in their continual opening and shutting allowed an odor of womankind to escape - a musky scent of oils and essences mingling with the natural pungency exhaled from human tresses

    上面響著面盆的碰撞聲笑聲呼喚聲和門不停開開關關的砰砰聲，從門里飄出一陣陣女人身上發出的香味，這是化妝品的麝香味摻雜著頭發上難聞的氣味。伯爵沒有停下來，反而加快了腳步，幾乎達到了跑步的速度，他對刺激性的東西非常敏感。
  10. This paper discuss the accelerometer base on mutual inductance variety for filling up the blank in silicon accelerometer of home, boosting up the onrush of weapon, improving the precision of navigation system is very importance, at one time, for taping the big measure rang accelerometer provide a new technology approach

    本文論述的基於互感變化的硅加速度計對于填補國內硅加速度計空白，增強武器的突防能力，提高慣導系統的精確性是非常重要的，同時為開發大量程加速度計提供了新的技術途徑。
  11. When the illuminance rose, the photic decomposition rates of the natural anthocyan pigments rose as well, but there was no linear relation between photic decomposition rate and illuminance

    隨著照度的增大，花青素類色素的光降解速率也增大，但光降解速率常數的改變和照度之間不存在線性對應關系。
  12. The transonic steady / unsteady navier - stokes / euler flow solvers based on ausm + scheme have been developed in this dissertation. the structured grids are generated using transfinite interpolation. a cell - centered finite volume approach is used

    因此，研究開發高效、高精度、高魯棒性、實用的跨音速定常、非定常navier - stokes euler方程解算器至關重要。
  13. Mechanical switching is inherently slow and frequently unreliable.

    機械開關速度有一種固有的緩慢性，而且經常不可靠。
  14. The characters of velocity ' s distribution within the mid - layer of the middle crust resemble that of the upper crust ' s bottom layer, and the velocity strongly disturbed. the prominent higher velocity anomalies exist below the linbi uplift and the hu - su uplift within this layer

    中地殼的中間層速度分的基本特徵類似上地殼底部，橫向均勻性顯著；中地殼下部速橫向不均勻性明顯，在靈壁隆起和湖蘇隆起的下部有顯著的高速異常。
  15. Order winners usually focus on one ( rarely more than two ) of the following strategic initiatives : price / cost, quality, delivery, speed, delivery reliability, product design, flexibility, after - market service, and image

    訂單贏取資格通常集中於以下一個戰略性定位（很少超過兩個） ：價格/成本，質量，交貨，速度，交貨可靠性，產品設計，柔性，售後服務和形象。
  16. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動學原理的單站無源定位理論基礎上，本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型，並對它們進行了分析和模擬；第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件；第四章針對傳統擴展卡爾曼（ ekf ）方法的缺點，提出了一種修正協方差的擴展卡爾曼濾波（ mvefk ）方法，並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較；第五章通過引入雷達機動目標跟蹤方法和模型，提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法；第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究，提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。
  17. Neural network control is an important mode of intelligent control, and it is widely used in branches of control science, first, the architecture and the learning rule ( error back propagation algorithm ) of multiplayered neural network which is widely used in control system are presentedo especially, the paper refers to the architecture of diagonal recurrent neural network and its learning algorithm - - - - - recurrent prediction error algorithm because of its faster convergence with low computing costo next, before introducing the neural network control to the double close loop dc driver system, the controllers of current and velocity loop are designed using engineering design approach after analysis of the system, simulation models of the system are created

    神經網路控制是智能控制的重要方式之一，它廣泛應用於自動控制學科各個領域。本文首先敘述了控制系統中常用的多層前饋網路結構及演算法（ bp演算法） ，特別提及了能夠較好描述系統動態性能的對角遞歸神經網路和在用遞推預報誤差演算法訓練drnn時取得了較快的收斂速度。其次，應用工程方法分析設計了tf - 1350糖分離機的電流、轉速雙閉環直流調速系統的控制器，作為引入神經網路控制的設計基礎，並建立了系統的模擬模型。
  18. The association chain implied is general reactivity, delocalization, heat of reaction, activation energy, velocity constant.

    和該量有牽連的因素是一般活性，離域作用，反應熱，活化能，速度常數。
  19. Classical constant temperature was used comparing with the variation of consistency and the constant of reactive rate in different temperature. the results indicated that the stability of volatile oil in inclusion compound was obviously superior to that of original volatile oil

    採用經典恆溫法考察了艾葉揮發油- -環糊精包合物在不同溫度條件下的濃度變化及反應速度常數，結果表明，經-環糊精包合后，艾葉揮發油的穩定性得到了提高。
  20. Lsi comes from the field of information retrieval. it transforms the original vector space to abstract k - dimension semantic space. so the huge dimensions of the original vector space are reduced greatly, also the training speed and system performance are improved

    系統中引入了信息檢索中的常用技術? ?潛在語義索引，把原始向量空間轉換到抽象的k維語義空間，實現原始向量空間的降維，提高網路訓練速度和性能。
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