負擴散 的英文怎麼說

中文拼音 [fùkuòsǎn]
負擴散 英文
negative diffusion
  • 負 : Ⅰ名詞1 （負擔） burden; load 2 （虧損） loss 3 （失敗） defeat Ⅱ動詞1 [書面語] （背） carry on th...
  • 擴 : 動詞（擴大） expand; enlarge; extend
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  1. If the velocity of atoms is near to zero, the light for ces will tend to confine the atoms near to nodes and antinodes. the stability depends on the magnitude of the negative slope of the light force, the depth of the potential well and the momentum diffusion coefficient. it is important to select the parameters, e. g

    如果通過激光冷卻能使原子速度降至很小甚至為零，光壓力的作用將使原子被較穩定地囚禁于激光駐波場的節點和反節點處，其穩定程度取決于該處光壓力曲線負斜率的大小、對應勢能的勢阱深度以及動量擴散系數的大小，因此，如何在實驗中合理選擇激光強度、失諧量等顯得尤為關鍵。
  2. But neither can two great and powerful groups of nations take comfort from our present course both sides overburdened by the cost of modern weapons, both rightly alarmed by the steady spread of the deadly atom, yet both racing to alter that uncertain balance of terror that stays the hand of mankind ' s final war

    然而，這兩個強大的國家集團都不能對現狀高忱無憂雙方皆對現代化武器的開支感到不勝負擔，都對致命的原子力量的逐漸擴散理所當然地感到驚恐，但雙方都力圖改變那種遏制任何一方發動人類最後決戰的不穩定的恐怖均勢。
  3. But neither can two great and powerful groups of nation take comfort from our present course, both sides over - burdened by the cost of modern weapons, both rightly alarmed by the steady spread of the deadly atom, and yet both racing to alter that uncertain balance of terror that stays the hand of mankind ' s final war

    但是，這兩個強大的國家集團都無法從目前所走的道路中得到安慰- - -發展現代武器所需的費用使雙方負擔過重，致命的原子武器的不斷擴散理所當然使雙方憂心忡忡，但是，雙方卻爭著改變那制止人類發動最後戰爭的不穩定的恐怖均勢。
  4. In an aerosol containing equal numbers of charged particles of both signs, the diffusive encounters for oppositely charged particles are more effective than for uncharged particles.

    若氣溶膠中含有等量正負帶電粒子，那麼正負帶電粒子間的擴散碰撞比非帶電粒子更容易實現。
  5. In the leach - new protocol, the mainly improvement of the leach protocol exhibits as follow : for the sake of balancing the network load, the network choose the clusters based on the residual energy ; we take multi - hop communication between sensors instead of single - hop communication, which results in the reduction of energy consumption of clusters ; the new protocol finds the path to the cluster head with the minimum cost, using an algorithm similar to flooding to propagate the cost information and greedy algorithm to find the lowest cost link ; the algorithm for assigning tdma time slot reduces overall delays of network

    在leach - new協議中，對leach協議的改進主要體現在以下幾個方面:根據節點剩餘能量選擇簇頭，以平衡網路負載;節點間採用多跳路由，降低簇頭能量消耗;節點根據能量消耗的代價來選擇至簇頭的路由，通過擴散演算法來廣播代價消息，採用貪婪演算法來選擇能量消耗最小的路徑;採用tdma時隙分配演算法減少網路時延。最後，利用ns2模擬軟體進行驗證。
  6. In acid copper sulphate solution, the nc copper has a more negative corrosion potential which is decreasing with reducing the grain size and diffusion impedance was only found in the as - prepared and as - annealed at 180 ? nc copper due to the diffusion within the pores and channels on the surface. both the tafel plots and eis study demonstrated that the nc copper exhibits a higher corrosion current and lower polarization resistance than its mc couterpart

    在酸性硫酸銅溶液中，納米晶銅的腐蝕電位比微米晶銅要負，並且隨著晶粒尺寸的減小而降低。 eis研究表明，未退火的和180退火的納米樣品中發現了擴散阻抗，與表面孔洞和通道中的擴散有關。極化曲線外推法和電化學阻抗研究都表明納米晶銅的腐蝕電流比微米晶銅高，而極化電阻要低。
  7. Numerical simulation results indicate that, for low temperature dust particles, dust particles mainly exist in the area near the column center and their charge - number can be considered as a constant, while in the area where there are no dust particles, ion and electrons are in ambipolar diffusion ; for high temperature dust particles, both the distribution regions of dust particle and high ion density are expanded and dust charge - number is increasing with the distance from the center

    計算結果表明：當塵埃粒子的溫度較低時，塵埃粒子主要集中在圓柱形放電器的中心很小的區域，塵埃粒子攜帶的電荷幾乎是一個常數，受塵埃粒子空間電荷的影響，離子在該區域的密度最高。在遠離中心區域，離子和電子呈現雙及擴散特點；當塵埃粒子的溫度較高時，塵埃粒子分佈的區域和高離子密度區域擴大，塵埃粒子離放電器中心越遠，攜帶的負電荷越多。
  8. When the flue gas and dust past through electrical fields, they caused impact with positive and negative ion and electron between electrical electrodes to charge electric. the charged particles move and are accumulated to difficult electrical electrode due to effect of electric field force. through rapping method, the dust leaves electric electrodes and drop into the collection hopper, and the remove the dust by transportation system

    是一種煙氣凈化設備，它的工作原理是：煙氣中灰塵塵粒通過高壓靜電場時，與電極間的正負離子和電子發生碰撞而荷電或在離子擴散運動中荷電，帶上電子和離子的塵粒在電場力的作用下向異性電極運動並積附在異性電極上，通過振打等方式使電極上的灰塵落入收集灰斗中，使通過電除塵器的煙氣得到凈化，達到保護大氣，保護環境的目的。
  9. Current research of the technique of ga diffusion and the negative resistance effect of open - tube ga - diffusion transistor are emphasized

    重點介紹了目前開管ga擴散工藝的發展現狀和開管擴鐮晶體管負阻效應的研究現狀。
  10. They ' re responsible for quarantining the area, searching for survivors and, of course, killing what zombies they can while trying to retrieve a dna sample from the original infected organism in order to hopefully stop the spread of the infection

    他們負責檢疫區域，尋找生還者，當然，盡可能的消滅殭屍並嘗試收回最初的感染組織，以便能阻止傳染擴散。
  11. Mr mccartney was previously minister without portfolio and party chair 2003 2006. dr kim howells continues his role as minister of state responsible for the middle east, afghanistan and south asia, counter narcotics, counter proliferation, counter terrorism, un and un reform

    金豪厄爾斯博士（ kim howells ）繼續其國務大臣的職務，負責中東、阿富汗和南亞事務，以及反麻醉品問題、反核擴散、反恐、聯合國和聯合國改革等方面的事務。
  12. A propbr data structure is used to assist grid generation for different geometric dimensions. a concept of entropy in broad sense is proposed for convective - diffusive problems in chapter 7. it is proved that there is an intrinsic relationship between the stability of the numerical schemes of the convective - - diffusive differential equations and the non - negative property of the entropy generation caused by the effective diffusion

    第七章提出了對流擴散問題中的廣義熵概念，研究了擴散熵產非負性特徵與數值格式穩定性的內在聯系，分析證明了擴散熵產非負定性及統計非負定性的穩定性準則，探討了穩定性與模擬性之間的矛盾與聯系。
  13. In order to increase the energy dissipation of stepped spillway at iarge unit discharge, the integhty dissipater of aerated splitter pier and steppe characteristics is studied. because of verticaj diffhaion now by aerated splitter and impachng steppe 3 by drop flow, the air concentration and the energy dissipation efficiency are greatly increased ; the potentiality of cavitations is decrease. in special at large unit discharge, this effect is more obvious

    摻氣分流墩的增加，明顯地改善了階梯面上的壓強分佈，消除或減小了階梯凹角內和立面上部的負壓；由於摻氣分流墩使水流縱向擴散以及挑流落下后在階梯上的撞擊，使水流的摻氣濃度和消能率都得到較大的提高，降低了階梯面空蝕的可能性，特別是在大單寬流量時，這種效果更為明顯。
  14. We studied its distribution pattem by using the following measures f the test for fitting to the poisson, negative binomial and neyman a distribution. at the same time, we use negative binomial parametef, dispersal index, patchiness index, cassie s index and clumping index, estimated the aggregation intensity. the results showed that the distribution pattern is typically aggregated, and the intensity of aggregation vari

    經統計分析，青島百合復合種群、各局部種群內個體的分佈格局離散分佈擬合的結果符合負二項分佈；各聚集強度參數中，叢生指標）和cassie指標（二k ）均大於o ，負h項參數限）均較小，擴散系數k卜擴散型指數）和聚塊性指標（ m m ）均大於1 ，以上這些表明各個局部種群的分佈格局都為聚集分佈。
  15. Existence of nonnegative steady - state solution for a class of coupled reaction - diffusion system

    一類耦合型反應擴散系統非負平衡解的存在性
  16. Equation of f = a + blnw was very fitful to describe the relationship of f and w ( % ). 7. dci had significant positive correlations with cec, clay content, and physical clay content

    鉀離子、氯離子的擴散系數分別與土壤陽離于交換量（ cec ） 、物理性粘粒和粘粒含量呈顯著負相關或正相關關系。
  17. The result is a rapidly growing proliferation of pointless emails that can increase to such an extent that they overload systems

    結果，該等無意義的電子郵件迅速擴散，其增長程度足以令系統負荷過重。
  18. Numerical results are obtained for velocity, temperature and concentration profiles, variations of both nusselt and sherwood numbers under different buoyancy ratio and inclination angles of = 15 - 90. at a given inclination angle, heat and mass transfer rates decrease with heat and mass buoyancies and the buoyancy ratio b decrease from high positive values, and then increase again with the buoyancy radio b further decreasing after the velocity and transfer rates reaching a minimum

    研究結果表明：傾斜角度一定，當熱浮力與物質擴散浮力共存且二浮力之比b從較高正值變化到較高負值時，流體速度和熱質傳遞速度從高逐漸變低並出現最小值，此後隨著向下浮力的增大，流體向下流動且隨| b |的增大而加速，熱質傳遞速率隨| b |的增大而重新增大。
  19. The accumulation of experimental evidence now proves that the left hemisphere is responsible for convergent thinking and the right hemisphere for divergent thinking

    累積的實驗證據終于證明，左大腦半球負責聚斂性思考，而右大腦半球則負責擴散性思考。
  20. In addition, after the binding of mp - 11 with la3 +, mp - 11 with the positive charges would diffuse toward to the glassy carbon electrode with the negative charge easily

    另外， la 』 」與mp刁1的鍵合使mpll帶正電荷，易向帶負電荷的玻碳電極擴散，進一步促進了mp
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