介子素 的英文怎麼說

中文拼音 [jièzisù]
介子素 英文
mesonium
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 素 : Ⅰ形容詞1 （本色; 白色） white 2 （顏色單純） plain; simple; quiet 3 （本來的; 原有的） native Ⅱ名...
  1. Adopting the assummation that the quark interaction is the sum of the usual one - gluon direct exchange and the mixture of linear scalar and vector potentials, we structure the relativistic corrections of order v2 / c2to the cornell potential, including the annihilation potential for the quark and antiquark of the same favors which plays the same role with the one - gluon direct exchange at short distances. the effects of the relativistic corrections on the hyperfine splittings of quarkonium states are discussed, and a good fit to the available experimental data is obtained on heavy quarkonium mass spectra

    采納庫侖勢源於單膠子直接交換，而線性禁閉源於標量和矢量的混合，同時考慮在短程區域與單膠子直接交換起同樣作用的同味正反夸克的湮滅，構造了靜態夸克-反夸克勢到v ~ 2 c ~ 2級次的完全相對論修正，並擬合計算了重介子偶素的能譜，討論了相對論修正對重介子偶素能級分裂的作用。
  2. Two parts are included in this study : part one : study evolve in domestic and overseas the general introduction were given about the class, property and composing of asphalt and the development background, study evolve in domestic and overseas and class of modified asphalt. the comparative detailed introductions were given about performance and influencing factors, appraisable means of some important polymer modified asphalt

    本文的研究工作包括兩個部分：第一部分：國內外研究進展對瀝青的分類、性質以及組成和改性瀝青的發展背景、國內外的研究進展以及分類作了比較全面的介紹，並對幾種重要的高分子改性瀝青的性能及其影響因素、評價方法等作了較詳細的介紹。
  3. The structure of this paper goes like this, the first chapter introduce the development of e - b / l in practice and in laws. and draw a conclution that the electrification of the b / l is a history tide. in the second chapter, on the basic of reseach the security trap in e - b / l running, 1 conclude six security elements of, e - b / l : the liability of the system, the authenticity of dealers ' identity. the integrity and secrecy of electronic data, and the validity and evidence effectiveness of electronic data. from the third chapter to the eighth, 1 reseach these elements one by one. the third chapter introduce the establishment of the e - b / l security system, and some related laws the fourth chapter introduce the certification authority of e - b / l. in the fifth chapter, 1 introduce the encrypt of electronic information and some countries ' control on use / import / export crytography. the sixth chapter introduce the concept and principle of digital signature, and reseach some related legal issues. the seventh chapter reseach the legal demand of validity, then come to a conclution that to establish a independent electronic information system is necessary. in the eighth chapter, 1 reseach some countries " regulation on the evidence effectiveness of electronic data

    第二章在分析電子提單運作中的安全隱患的基礎上，歸納出其六大安全要素，即系統的可靠性、交易者身份的真實性、數據電訊的機密性和完整性、數據電訊的合法有效性以及交易者行為的不可抵賴性。第三章到第八章分別對這六大要素進行分析：第三章介紹了電子提單網路安全體系的建立以及系統安全保護法規，第四章則介紹了電子提單的安全認證機構，第五章介紹了信息加密技術以及各國立法對密碼技術的進出口及使用的控制，第六章介紹了數字簽名的概念及原理，並以bolero為例介紹了數字簽名的技術方式，對有關法律問題作了論述；第七章首先論述了電子提單對有效性的法律需求，然後結合國內法和國際規則的規定論證了數據電訊制度產生的必然性；第八章通過對各國立法對電子證據的法律效力的規定，論述了對電子交易至關重要的數據電訊的不可抵賴性。
  4. The approximation analysis result of band dipole model is obtained on the basis of the theory of mfl. the electromagnetic distribution feature of the defect in the steel panel is studied by means of simulation. the leakage magnetic distribution of the two defects and four defects plural and the defects in the column differently in the width are also assayed. conclusions that factors affecting flaw magnetic leakage to the panel also affect the column and magnetic leakage bx should be the feature of the flaw identification to several flaws are drawn

    在對漏磁檢測原理進行詳細介紹的基礎上，得出了帶偶極子模型的近似解析解，並以有限元數值模擬分析為主要手段，以鋼板上缺陷為對象，分析了各因素對缺陷漏磁場產生影響的不同規律，同時模擬分析了板上平行的兩條裂紋，四條裂紋以及柱體上寬度不同時的裂紋的漏磁場分佈特徵，得出結論:影響板上缺陷漏磁場的諸因素會對柱體上缺陷漏磁場產生同樣的影響;對于多條裂紋，宜用漏磁分量bx作為缺陷識別的特徵量。
  5. All along, government attaches great importance to upholding a clean culture. in addition to organising integrity training programmes and other promotion activities, many government departments make good use of their e - network environment and display one of the above e - banners on their websites. not only does this help disseminate the message of integrity to both colleagues and the general public, it demonstrates the department s support and endorsement of a culture of integrity

    政府素來致力提高內部的誠信文化，除了積極舉辦倡廉講座及其他誠信推廣活動外，有些更善用資訊科技，把以上其中一款醒目的電子橫額上載到部門網頁，透過電腦媒介向員工及市民廣泛宣揚廉潔信息，並藉此表示對推廣誠信文化鼎力支持。
  6. We introduce the research progress about functional components in lily such as lily - polysaccharide, lily - brownii, colchicum autumnale, phenolic compounds acylglycerol, phospholipids, mineral element, lily dietary fiber, especially its elements and structure, physical and chemical characteristics, and its physiology and pharmacody function

    摘要介紹了百合中百合多糖、百合皂甙、仙水秋堿、酚酸甘油脂、磷脂、無機元素、百合膳食纖維等功能性因子的研究進展，尤其是在功能性因子的化學組成與結構、物化特性、生理與藥理功能等方面的研究。
  7. The direct application of eftl is flat panel displays. it has several preferences, emissive, wide view angle, quick response, wide working temperature range, high pixel resolution, anti - strike, long life, less number of fabrication process etc. all these properties are better than plasma display fed and lc

    它的主動顯示、平板化、視角大、反應快、工作溫度范圍寬、像素鑒別率高、抗震動、壽命長、工序少等特點，都勝過液晶、等離子體、 lc等顯示技術：第一章介紹了無機電致發光及有機電致發光的發展現狀和存在問題。
  8. We assume that components are interrelated at a number of interfaces or terminals.

    我們假定這些元素在一些介面，或端子上相聯系。
  9. Jak2 is one of the janus kinase family. it participates in the jak - stat signal transduction and plays roles in signal transduction of many cytokins and growth factors such as growth hormone, il and gm - csf. it plays essential roles in cellular functions, i. e. cell proliferation and differentiation

    Jak2是janus激酶家族中的一員，參與jak - stat信號通路，介導諸如生長激素、白細胞介素、 gm - csf等細胞因子和生長因子的信號傳導，在細胞的增殖、分化等活動中起重要作用。
  10. In the framework of quarkonia - quarkonia mixing, considering the effect of the flavor - dependent transitions between quarkonia, the new mass relation of a meson nonet is presented

    摘要在介子介子混合的框架下，考慮到夸克偶素間的湮滅跟味道有關這種效應，給出了一種新的介子九重態成員間的質量關系。
  11. It indicates that a correct mass relation of a meson nonet ( especially for the non ideal - mixing meson nonet ) should incorporate the effect of the flavor - dependent quarkonia annihilation

    這表明，一個正確反映介子九重態（特別是非理想混合的介子九重態）成員間質量關系的公式，應該包含夸克偶素間的湮滅跟味道有關這種修正。
  12. The examples to diagnose transformer faults with measuring element method by electro microscopy, infrared thermograph and icp plasma emission spectrum are introduced

    摘要介紹了應用掃描電鏡測量元素法、紅外成像分析法、等離子發射光譜法檢測大型變壓器故障的實例。
  13. The regeneration system of soybean cytoledon node and agrobacteriunr mediated transformation method is the first selection at present. in the second part of this experiment, the expression vector prok2 containing npt ii and ssnhx1 ( na + / h + antiporter ) gene from suaeda salsa was introduced into soybean cytoledon nodes by gene transformation mediated by agrobacterium tumefaciens, and kanamycin resistant transgenic p lants were obtained by screening in selective condition

    本實驗第二部分通過農桿菌介導法將含npt -和鹽地堿蓬na ~ + h ~ +反向轉運蛋白基因（ ssnhx1 ）的表達載體prok2導入大豆子葉節中，經過含km的篩選培養基連續篩選，獲得了ssnhx1轉基因植株，篩選劑卡那黴素的適宜濃度是50mg . l ~ （ - 1 ） 。
  14. Interleukin - 2 is a lymphokine synthesized and secreted primarily by t lymphocyte or t helper lymphocytes that have been activated by stimulation with certin antigens or mitogens. it is one of the important t cell growth factors. because of its key role in immune response, it is always a center in the study of cytokines. compared with human and mammalian, the study of chicken il - 2 is very slowly

    白細胞介素- 2 （ interleukin - 2 ， il - 2 ）主要是在促有絲分裂素或特異性抗原刺激下，由t淋巴細胞或t淋巴細胞系產生的一種淋巴因子，是機體主要的t細胞生長因子之一。由於il - 2具有的重要免疫調節功能， il - 2一直是細胞因子研究中的熱點之一。
  15. Eight important topics are included, such as “ vowel sounds ”, “ consonant clusters ”, “ stress and rhythm ”, “ sounds in connected speech ”, “ intonation ” and so on

    全書分為八大主題，將語言的元素逐一分解，並針對所有發音的細節作詳細介紹，包括：母音、子音、子音群、重音與節奏、連音、語調等。
  16. Here we summarize the advances in physiology and ecology studies on stored non - structure carbohydrates in plants, concentrating upon the physiological processes of sucrose, fructan, and starch and their responding mechanisms to environmental factors such as temperature and water and human factors

    綜述了植物非結構性貯藏碳水化合物的生理生態學研究進展，著重介紹了蔗糖、果聚糖和澱粉代謝的生理過程及對環境因子（溫度和水分）和人為因素的響應機制。
  17. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  18. When cosmic rays enter the atmosphere, they interact with nitrogen, oxygen and other atoms in the upper atmosphere and produce a large assortment of secondary particles, including radionuclides such as tritium and carbon - 14, neutrons, protons, electrons, mu

    宇宙射線進入地球大氣層后，會與大氣高層的氮氧等原子核發生反應，產生氚碳- 14等放射性核素及中子質子電子介子介子等次級粒子。
  19. When cosmic rays enter the atmosphere, they interact with nitrogen, oxygen and other atoms in the upper atmosphere and produce a large assortment of secondary particles, including radionuclides ( such as tritium and carbon - 14 ), neutrons, protons, electrons, mu

    宇宙射線進入地球大氣層后，會與大氣高層的氮、氧等原子核發生反應，產生氚、碳- 14等放射性核素及中子、質子、電子、介子、介子等次級粒子。
  20. The non - gaussian form of spatial distribution of source can lead to the decrease of the parameters

    介子源空間分佈的非高斯形是導致參數減少的一個重要因素。
分享友人
分享到 Line

分享到臉書