donor center 中文意思是什麼

donor center 解釋
施中心
  • donor : n. 1. 贈送人，捐款人。2. 【生物學】移植體；【物理學】施主；【化學】給予體，供體；【醫學】供血者，輸血者，（移植術中）皮膚[組織]供給者。3. 【法律】（財產歸屬的）指定權。
  • center : n vt vi 〈美國〉＝centre n 1 中心；中心點；圓心；中央；中樞，核心；中心人物；根源，起源。2 〈常C ...
  1. We have calculated one - and two - photon absorption cross sections of the lowest excited states of a series of molecules combined with benzene, stilben, thiophene as center attached with amine, diphenylamine, diethylamine as electron - donor and nitryl as electron - acceptor ; the effects of molecular length, n center and electron - donor on two - photon absorption cross sections have been studied and all calculations have been carried out using the density functional theory at an ab initio level. it is found that the molecular length and the one - photon absorption intensity are quite strongly c orrelated factors, and that a corresponding correlation for the two - photon absorption is decreasing. it is also found that a most crucial role for the two - photon absorption is played by the n center

    我們分別以苯、二苯乙烯、噻吩為中心，氨基、二苯氨基和二乙氨基為電子給體，硝基為電子受體組合形成的分子為研究對象，在從頭計算的水平上用密度泛函理論計算了這些分子在低激發態下的單、雙光子吸收強度，重點研究了分子的長度、中心和給體的供電子能力對分子單、雙光子吸收的影響。研究結果表明，分子長度與單光子吸收強度之間有密切關系，而在雙光子吸收中這種關系較弱；中心在雙光子吸收中具有重要的作用；在中心和受體一定的情況下，增加給體的供電子能力，可提高雙光子吸收強度。
  2. The results of experiments show that the most efficient tpa materials seem to be the ones with various electron - donor ( d ) and electron - acceptor ( a ) moieties attached symmetrically or asymmetrically to a center

    實驗結果顯示，最有效的雙光子吸收材料是由電子給體和電子受體對稱或反對稱的與一個中心結合而成的系統。
  3. The stronger t he electron - donor is, the more significant the solvent effect is for molecules with a given center. the structure of this thesis is as follows

    在中心和受體一定的情況下，碩士學位論文中文摘要給體的供電子能力越強，溶劑對分子的雙光子吸收的影響越大。
  4. The present study assessed the outcome of living donor liver transplantation ( ldlt ) under extended selection criteria based on a single - center experience

    目前關于在擴大了選擇標準后的活體供肝肝移植（ ldlt ）的預后的評估的研究是以一個單中心結果為依據的。
  5. Recently the properties of neutral shallow donor center d0 and negative shallow donor center d - in quantum wells with magnetic field have received a great deal of attention [ 1, 2 ]

    在量子阱中加磁場后的d ~ 0中心和d ~ -中心的電子結構和性質是人們近年來研究的焦點。
  6. Steven lawrence at the foundation center says donor - advised funds have grown quickly since the early nineteen nineties. these funds are large gifts from individuals, usually to community foundations

    基金會中心的史帝文森?勞倫斯指出捐助國向基金自20世紀90年代早期起便迅猛增長。通常，來自個人的大筆資金都捐贈給社區基金會。
  7. The center maintains only a short - term link with the donor until viral testing is complete, when the cord blood becomes anonymous

    該中心與捐贈者家屬只會維持短期的聯系，等病毒檢驗完畢，臍帶血就改以匿名儲存。
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