正密度 的英文怎麼說

中文拼音 [zhēngmìdù]
正密度 英文
positive density
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 密 : Ⅰ名詞1 （秘密） secret 2 [紡織] （密度） density 3 （姓氏） a surname Ⅱ形容詞1 （距離近; 空隙小）...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  1. Its claim to fame is having inclusions that look like sparkles. very high quality aventurine without the inclusions, looks like emerald

    綠色東陵石底色油綠不正，上面有光亮的小點，密度低於翡翠，其價格也遠遜于優質翡翠。
  2. Thermodynamical fluctuation of number density of particles in grand canonical ensemble of perfect systems

    理想體系巨正則系綜中粒子數密度的熱力學漲落
  3. At a definite temperature a mesoscopic circuit isnt in a determinate quantum state instead of in the mixed state ( or statistical state ). using the density matrix of the canonical ensemble, we have deduced the formulate of the quantum fluctuations of both charge and current in a non - dissipative mesoscopic coupled circuit. and the dependences of the quantum fluctuation of the circuit on its temperature have obtained

    在有限溫度下，介觀電路系統實際上並不處在一個確定的量子狀態，而是處在混合態.根據正則系綜的密度矩陣導出耦合互感電路中電荷和電流的量子漲落，得到了量子漲落與溫度的依賴關系
  4. Using the lagrangian at a finite temperature of the scalar field which can generate global cosmic string in the spontaneous breakdown, solved the gravitational field equation outside the core of a global cosmic string at the background of temperature, corrected the result in the theory at zero temperature. on the basis of this, the properties of the gravitational field outside the core of a global cosmic string are discussed

    考慮溫度效應，運用改寫的能自發破缺產生整體宇宙弦的標量場在有限溫度下的拉氏密度，求解了整體宇宙弦核外的引力場方程，對零溫理論中的結果作了修正，進而討論弦核外引力場的性質
  5. Firstly the patterns of the multifingered hands are detailed, eight patterns are defined. the classical bayes method is used in the classification of pre - grasp of multiple fingers based on three patterns which are grasping, holding and pinching. based on the eight pre - grasp patterns, bp neural network is applied in the classification of the pre - grasp of multifingered hands and gets a good effect. the method solves the shortcoming input sample relying on the propobility density and simplified the un - insititution characters extraction. in this paper, support vector machine ( svm ) and binary - tree with clustering is applied in the classification. this method can solve the slow speed and effect with fewness sample in the classification, achieving a good effect. in this papper, we extract the characters of the regulation object with geometry characters and extact the unregulation object with the image analysis

    此法解決了輸入樣本依賴物體的概率密度的特點，簡化了分類特徵提取的不直觀性。本文還採用了支持向量機（ svm ）和聚類二叉樹相結合的方法對機器人手預抓取八類模式進行分類，解決了預抓取模式分類訓練速度過慢以及在分類中樣本數量偏少而影響分類效果的問題，得到了較高的正確率。本文對預抓取幾何形狀規則的物體採用直接提取其幾何特徵，對于預抓取幾何形狀不規則的物體採用圖像分析的方法進行特徵提取。
  6. On the bases of the galaxy evolution theory, we use the therotical chemical evolution model of three zone ( such as halo, thick disk and thin isk ) and multi - phase ( diffuse gas, molecular clouds, stars of both low and high mass, the remnants ). by comparing with the observational constraints, such assurface densities, age - metallicity relation, g - dwarf metallicity distribution in the solar neighbourhood and the correlation between [ a / fe ] and [ fe / h ], supernovae rates, infall rates. the rationality of the model is verified. based on the theory model, we calculate the abundance of neutron capture element

    本文正是在銀河系化學演化的基礎上，利用銀河系的三成分（ threezone ） （即暈、厚盤和薄盤）多相（ multi - phase ） （氣體，分子云，大、小質量恆星以及剩餘物質）的化學演化的理論模型，通過與觀測約束（質量面密度、場星的年齡-金屬豐度關系、太陽附近g矮星金屬含量分佈函數、三成份的特徵量、元素的星系化學演化、超新星的爆炸率、內落速率等）的比較，來檢驗模型的合理性。
  7. If intermittent small scale breaking is occurring, the average energy density is limited by conditions near the long wave crests.

    如果間歇性的小尺度破碎正在發生，平均能量密度就要受到長波波峰附近狀況的限制。
  8. The ability of the ionosphere to reflect these waves is dependent upon normal variations in the electron density at different levels.

    電離層反射電波的能力取決于不同高度上電子密度的正常差別。
  9. Comparison between latitudinal normal density hypothesis and internal wave hypothesis

    緯向正常密度假說與內波假說的比較
  10. Abstract : the effect of correction of self - consistent potential on electronic structure in simple cubic nanocrystal particles is calculated by means of the green ' s function method in the tight - binding approximation, taking only the nearest neighbor matrix elements into account. the numerical results show that the electronic energy spectrum is shifted, the chemical potential is not equal to the atomic energy level, the electronic density at each lattice point is changed, and the variation of electronic density at surface lattice point is the largest

    文摘:在緊束縛近似下，只計及最近鄰的矩陣元，採用格林函數計算了自洽勢修正對簡立方納米晶體顆粒的電子結構的影響，發現電子能譜發生了移動，化學勢不等於格點原子能級，各格點的電子密度也發生了變化，其中以表面格點的電子密度變化最大。
  11. The probability density distribution of + conforms to the lognormal behavior

    低速帶間距的概率密度分佈可用對數正態分佈來描述。
  12. ( 2 ) this paper has firstly identified these genetic units on shore beach - shore face, longshore zone, longshore sands, erosional channel, leveed channel, turbidite lobes, turbidite sheet, slump, debris flow, density - modified grain flow etc ; at the same time, and points out that the lake of cretaceous is open - type fresh water lake

    （ 2 ）首次系統確定濱灘-濱面、沿岸帶、沿岸沙壩、侵蝕水道、有堤水道、濁積葉狀體、席狀濁積、滑塌體、碎屑流、密度改正顆粒流等成因單元。同時指出白堊紀湖泊為開放型淡水湖。
  13. The distributions of current density and potential on the negative plates with the radiational or expanded grid designs are more uniform than those on the positive plate

    輻射式和拉網式負極板在化成開始時電流密度和電位的分佈都比正極板上分佈均勻得多。
  14. This paper researches on the practical current and potential distributions on the positive and negative plates of automotive batteries in the course of their formation processes by the means of an in situ electrochemical scan, and then studies the influences of the formation and also the additives on the performance of the automotive plates

    本文利用電化學掃描方法研究鉛酸蓄電池正負極板在化成過程中電流密度和電位分佈及化成對極板電性能的影響。同時分析了正負極添加劑的性質及其對極板性能的影響。
  15. This too is coming but not until earth attains a 5th dimensional physicality

    這一天正在到來，不過要等到地球完成第五密度形態為止。
  16. Finally, the positive column is reached where electrons and ions have equal densities.

    最後到達的區域是正柱區，這里，電子和離子具有相等的密度。
  17. In this paper, we focus on the following three topics : ( i ) density distribution of dusty plasma in the low - pressure collisionless positive column the radial density distributions of electron, ion and dust particle in the low - pressure collisionless positive column are investigated with a fluid theory and a self - consistent dust - charging model

    本文著重以下三個方面的研究： （ ）低氣壓無碰撞輝光放電正柱區塵埃等離子體密度徑向分佈本文採用流體模型和自洽的塵埃充電模型，研究了低氣壓無碰撞輝光放電正柱區的電子密度、離子密度和塵埃粒子密度的徑向分佈。
  18. It is just the difficulty that the strongly correlated electron systems can not be studied by analytical methods, a variety of simulative numerical methods come out sequentially. there are a few typical methods such as the exact diagonalization ( ed ), the qutum monte carlo ( qmc ), the variation monte carlo ( qmc ), the renormalization group ( rg ), and the density matrix renormalization group ( dmrg ) and so on

    正是強關聯系統遇到了解析研究的困難，各種數值模擬方法才相繼出現，最典型的數值方法有：嚴格對角化（ ed ） ，量子蒙特卡洛（ qmc ）模擬、變分蒙特卡洛模擬（ vmc ） 、數值重整化群（ rg ）以及密度矩陣重整化群（ dmrg ）等。
  19. It is designed according to electrical stove or microwave oven request. heating pipe adopts high temperature resistance mgo powder as the insulation medium and the stainless steel case is passed oxidation deal through the advanced web band protection oven 1050c in order to become the a special oxidation layer and improve the high temperature oxidation and bittern corrosive performance of the heating pipe. the heating tube has high power density and strong heat radion. this product with good safe performance can work normally after 3000hrs life test

    加熱管選用耐高溫氧化鎂作絕緣介質，不銹鋼外殼經過先進的網帶氣體保護爐1050的氧化處理，形成一種特殊的氧化層，提高電熱管的抗高溫氧化及鹽鹵的腐蝕性能。電熱管的功率密度較高，熱輻射能力強。產品經長達3000h的壽命試驗后，仍能正常工作，安全性能好。
  20. This factory production blue sandstone plate, the color pure, the density high, lithical hard also the stripe is clear, is the environment project, the botanical garden construction and the carving timber wood ideal choice

    本廠生產的青砂巖板材，顏色純正、密度高、石質堅硬且條紋清晰，是環境工程、園林建設及雕刻用材的理想選擇。
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