共變微分法 的英文怎麼說

中文拼音 [gòngbiànwéifēn]
共變微分法 英文
covariant differentiation
  • : 共動詞[書面語]1. (圍繞) surround2. (兩手合圍) span with the hand
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  1. In the course, the condition and the process of forming and changing of minerals, the typomorphic features of minerals, the characteristics of the distribution and the evolution of minerals and their paragenetic associations in the period and the space, the methods of mineral analyses and research, the geological thermometers and the geologicial barometers of minerals, mineral paragenetic associations and paragenesis analyses will be introduced, and the magnificent and the microscopic genetic characteristics of pyrite, quartz, garnet, pyroxene, amphibole, mica, feldspar, and other minerals will be dealt with particularly

    本課程主要講述礦物及其生組合的形成和化的條件和過程,不同物理化學條件下礦物的成、結構、形態、物性等標型特徵以及它們之間的內在聯系,礦物及其生組合在時間上和空間上的佈和演化規律,礦物成、結構、形貌、物性等的析測試方,礦物地質溫度計和地質壓力計對其形成環境的表徵,不同體系(封閉體系、開放體系)條件下,礦物的穩定范圍和彼此替代順序的析,重點介紹黃鐵礦、石英、石榴石、輝石、角閃石、雲母、長石等礦物(族)在成因上的宏觀標志和觀信息,以及其成因信息在成巖作用和成礦作用中的地質意義。
  2. We used fission yeast schizosaccharomyces pombe ( s. pombe ), an unicellular eukaryotic organism, as research material. electroporation was adopted to load ca2 + fluorescent indicator into yeast cell and under the laser scanning confocal microscopy ( lscm ), we observed cytosolic ca2 + distribution and relative content as well as fluorescence intensity of gfp - cam in different phases of cell cycle of yeast cell. flow cytometry provided a way of determining the relative dna content of populations of fission yeast

    本文以單細胞的真核模式生物裂殖酵母( schizosaccharomycespombe )為研究材料,通過激光掃描聚焦顯鏡觀察酵母細胞胞質內游離ca ~ ( 2 + )的佈及相對濃度,以及不同周期時相細胞中gfp - cam的熒光強度化,並採用細胞流式對酵母細胞的相對dna含量進行測定以確定細胞所處周期時相。
  3. It ' s still an open question for thorough discussion to the analysis of mixture ' s raman spectroscopy. in this thesis, we first introduce the main theory of raman spectroscopy, including the mechanism it occurs, the physical explanation, the basis of quantitative analysis, etc. then new types of raman technique such as nir - ft raman, rrs, sers, microscope raman and co - focus raman, fiber raman, etc. are discussed. and the main applications of raman spectroscopy on chemistry and material science, medicine, biology, judging and identifying science, industry, environmental protection, geology and archeology, etc. are introduced

    接著別介紹了各種新興的拉曼光譜技術如近紅外-傅立葉換拉曼光譜( nir - ftraman ) 、激光振拉曼光譜( rrs ) 、表面增強拉曼光譜( sers ) 、顯拉曼光譜及焦顯拉曼光譜,光纖拉曼光譜等,簡述了拉曼光譜在化學和材料科學、醫藥學、生物科學、庭和鑒定科學、工業生產、環境保護、地質考古等各個領域的應用情況。
  4. Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa

    本文首先介紹並析了橢圓曲線密碼體制的優點及研究現狀;其次研究了橢圓曲線密碼體制的基本理論;第三,析了橢圓曲線密碼的安全性並介紹了密鑰享,加密,數字簽名等橢圓曲線密碼體制;第四,深入研究了特徵為2的有限域f _ 2m中的元素在多項式基和最優正規基表示下的乘運算和乘逆運算的快速演算,並對hankerson等人提出的多項式基下的乘運算的快速演算作了改進,而且在實驗的基礎上不僅析研究了f _ 2m域中元素在多項式基和最優正規基表示下的乘和乘逆運算的性能,還對這兩種基表示下的f _ 2m域中元素運算效率的優劣作了比較和研究,所得的結論可供在實現橢圓曲線密碼體制時參考;第五,研究了目前流行的計算橢圓曲線標量乘的快速演算,同時改進了固定基點梳形,提高了整個系統的速度,並在實驗的基礎上析研究了流行演算的優劣;第六,實現了基於f _ 2m的橢圓曲線密碼體制的演算庫,在我們的演算庫中只需稍便能實現基於任意尺寸的f _ 2m上的ecdh , eces , ecdsa等橢圓曲線密碼體制;第七,實現了兩條安全橢圓曲線上的橢圓曲線密碼體制,包括ecdh , eces , ecdsa 。
  5. 2. dynamics analysis : by setting up jacon matrix differential coefficient sport is passed to descartes space. it makes terminal executing manipulator produce differential coefficient of acceleration and force in every different coordinates can be got. then the effective inertia, coincident inertia and gravity load of two manipulators are calculated by lagrange method. so generalized joint torque of each joint is got, and along with equivalent driving torque, actual driving torque of each joint can be worked out. 3

    動力學析:建立雅可比矩陣將關節空間的各關節的運動傳遞到笛卡爾空間,使末端執行器位姿產生運動,以用於求加速度及力在不同坐標系間的線性換,再用拉格朗日計算兩機械手的有效慣量、偶合慣量、重力載荷,從而計算得到各關節的廣義關節力矩,並與等效驅動力矩同算得各關節的驅動力矩。
  6. The conformal microstrip antenna with some unique character has been applied in many fields, especialy on speedy objects. in this paper, an efficient fdtd algorithm is introduced to analyse the microstrip antenna. firstly, the fdtd formula in descartes coordinate system and in cylindrical coordinate system are obtained from the time _ dependent maxwell equations using the yee algorithm in a calculating region where the dielectric parameters are independent of time and space. the choice of the space discretization units and the time discretization interval are discussed which are decided by the accuracy and stability respectively. the shape and setup of the excitation source are discussed too. the excitation source is chosen to be gaussian pulse in shape. secondly, the mur ' s first - order and second - order boundary condition are deduced in cylindrical coordinate system. the methods of transforming radiation fields from near zone to far zone in the frequency domain and in the time domain are presented when fdtd is applied to analyse the characteristics of far zone. finally, three kinds of microstrip antennas are analysed. they are a slot antenna that lies on a plane ground of a microstrip, a slot antenna that lies on a cylindrical ground of a microstrip and a microstrip line _ fed aperture coupled stacked rectangular patch antenna in cylindrical coordinate system

    本文從麥克斯韋旋度方程出發,建立了笛卡兒坐標下無源空間中均勻無耗媒質的fdtd基本方程和圓柱坐標下無源空間中均勻無耗媒質的fdtd基本方程,詳細討論了fdtd計算中時間步長和空間步長的選取原則以及激勵源的類型和設置;推導了mur一階和二階邊界條件在圓柱坐標下的差格式;給出了在用fdtd計算天線的遠場輻射特性時必需採用的頻域和時域近場遠場換技術;最後用fdtd計算了平面帶縫隙天線、柱面帶縫隙天線和柱面帶層疊天線的輸入阻抗和遠區輻射場,並析了天線的一些參數的化對天線輸入阻抗的影響,得出了一些有用的結論。
  7. A microstrip array is designed to meet the needs of the technical specifications. a hybrid method with the full wave, fft and biconjugate gradient ( bcg ) is used to calculate the current distributions on the microstrip. the simulated results show that the method can improve the analysis efficiency and speed up the calculation speed

    研製了符合技術指標的帶天線陣列,設計中將傳統的全波析方與快速付立葉換( fft )和雙軛梯度( bcg )結合起來,用於帶天線的電流佈,改進了計算方,加快了計算速度。
  8. Aqueous fluid volume and [ c1 ~ j were assayed in samples withdrawn by micropipettes. intraocular pressure ( top ), pressure - dependent outflow, and anterior chamber compliance were determined from pressure measurements in response to pulsed and continuous fluid infusions into the anterior chamber using micropipettes. result : in wildtype mice ( gdi genetic background, age 4 - 6 weeks ), iop was 16. 0 ? 0. 4 mmhg, aqueous fluid volume was 7. 2 ? 0. 3 ul, aqueous fluid production was 3. 6 ? 0. 2 ul / hr, aqueous fluid outflow was 0. 36 ? 0. 06 ul / hr / mmhg, and anterior chamber compliance was 0. 036 ? 0. 006 ul / mmhg ( mean ? se, 8 - 10 eyes )

    實驗方包括:將熒光物質用電離子滲透的方穿透角膜導入活體小鼠的前房中,然後應用聚焦顯鏡根據熒光強度化測量房水生成率;通過顯注射針吸取房水檢測房水容積和氯離子濃度;顯玻璃管刺入前房測量眼內壓,並將生理鹽水別以連續和脈沖兩種方式注入前房,測量房水間隙的順應性和房水排出與眼內壓的相關性。
  9. Aim : to analyze the mechanism, thermadynamic theoretical basis, dynamic mechanism and influencing factors of thermally induced phase separation ( tips ) in order to completely grasp the factors affecting the size, distribution and form of pores, so that the adjusted range of pore can be widened and the preparation of porous membrane can be repeated and controlled. methods : considering from the structural characteristics of tissue engineered materials, the methods of preparing porous membrane using tips technique, the hermadynamic theoretical basis, dynamic mechanism and influencing factors were analyzed, the problems and investigative directions in the future were also analyzed. tips technique is a process of phase separation of polymer homogenous solution under quenching, and it is suitable for diameter and structural form of the micropore materials prepared using tips are closely correlated with the kind and dispensing proportion of polymer attrnuant, polymer concentration and polymer molecular mass, etc. conducted, including determination of polymer - solvent system phase diagram, study of form and appearance of porous membrane of different thickness, study of form and appearance of porous membrane prepared with systems of different x, which is the parameter of polymer - solvent interaction

    目的:析熱致相離成膜過程的機理、熱力學理論基礎、動力學機制以及影響因素,以便充掌握影響孔度大小、佈、形態的因素,使孔度調控范圍得以拓寬,使多孔膜的制備能重復可控.方:從組織工程材料結構特點出發,析熱致相離聚合物多孔膜的制備方及該成膜的熱力學理論基礎、動力學機制以及影響因素.並析實驗中存在的問題及今後的研究方向.結果:以熱致相可制備聚合物多孔膜.熱致相制備多孔膜是高聚物均相溶液在淬冷條件下發生相離的過程,它適用於上臨界溶溫度型聚合物一稀釋劑二元體系.熱致相成膜的過程,可以認為是旋節線機理佔主導地位.熱致相制備的孔材料,其孔隙率、孔徑大小、結構形態與聚合物稀釋劑的種類、組成配比、聚合物濃度、聚合物子量等因素密切相關.結論:可採用熱致相離技術制備多孔膜,通過改不同的成膜條件可獲得一系列不同孔徑尺寸和孔徑佈的多孔膜材料.對熱致相離成膜過程中聚合物-溶劑體系的相圖測定,不同厚度的多孔膜形貌研究,不同x (聚合物-溶劑相互作用參數)體系所制備的多孔膜形貌等需深人研究
  10. The improvement can also be used to correct total differencial and integral errors caused by pre - amplifier, linear amplifier, shaping circuit, peak stretcher and holder as well as adc at the same time

    這種方也可校正由前置放大器、線性放大器、成形電路、峰展寬電路和模數換電路等同造成的非線性和積非線性。
  11. The knowledge on the molecular bases of cancer generated during the last decades has been successfully translated into small but significant gains in overall cancer survival rates due to better primary prevention measures, improved diagnostic methods and the development of more effective and specific therapies, collectively termed " molecular targeted therapies "

    在過去的十年中關于癌癥產生的子基礎的知識已經很成功的轉觀,但是由於較好的初級預防措施,改良的診斷方和發展的更有效的和特異的治療,同的范圍「子靶向治療」已經使整個癌癥患者的生存率上有了明顯的進步。
  12. Based on the general conception of holography, the author analyzes the tourism region with a holographic view of human - nature relationship, and considers, in the core, the origination, development, transformation of tourism region system is a course in which the resources system is transformed to the economic system , to the cultural system, which demonstrates by the structure of tourism region objection system ? ? from the structure of tourism resources to the structure of tourism products , to the structure of the tourism markets , to the structure of tourism industries, and each step of transformation needs the input of anti - entropy from the subjection system ? ? the tourists, the tourism scholars, the tourism enterprising, the tourism media, the government and the local people who urge the region sustainable development. there are six chapters in the dissertation : in the first chapter, on the base of holographic view, the author constructs a holographic space which consists of one - dimensioned time, three - dimensioned space and multi - dimensioned system, which can supply for the study of variety and multi - perspective of tourism region subsystem, meanwhile originationable theory, fractal theory and down - to - the - earth theory are put forward as methodology, what ' s more, the author constructs the paradigm of the tourism region development as the frame of region tourism development. in the second chapter, with a holographic view, some concepts of tourism region system, both objection system and subjection system, are defined again, especially, the conception of tourism, tourist, tourism resources and tourism product, the author considers, it ' s only through information that can explain how the tourism derived and developed, what the tourist demands and utility are, and the relationship between the inner subjection system is regarded as mutuality

    本論文結構6個部:第一部,從全息學的基本觀點出發,構建出由一維時間、三維空間和多維系統組成的全息空間,這為研究旅遊地域各子系統的多樣性和多角度性提供了理論的依託,並將元化思考、形理論和紮根理論作為旅遊地域開發的主要方論,構建出旅遊地域全息開發的思維範式,為旅遊地域的開發奠定了堅實的理論框架;第二部,從全息角度對旅遊地域系統,包括客體系統和主體系統,進行全新的界定,尤其對旅遊活動、旅遊者、旅遊資源及旅遊產品的概念進行全新界定,認為只有從信息角度才能理解旅遊活動產生、發展以及旅遊者的需求和效用,並在旅遊地域開發關繫上提出了互為主體的觀念;第三部,從空間角度對旅遊地域進行析,認為旅遊地域是運動的,要素運動形成要素的結構化,進而推動整個旅遊地域的運動,同時,旅遊地域運動還受到環境系統的制約和影響,筆者還對旅遊地域相互作用關系作了較為深入的研究,認為不同等級間和同等級間旅遊地域相互作用遵循不同的規律;第四部,通過對旅遊地域周期理論的再認識,詳細析了影響旅遊周期的因素,並提出旅遊地域全息周期的理想模式是logistic曲線;第五部,筆者對旅遊地域的開發模式進行了總結,從主體角度提出了4種旅遊地域全息開發模式? ?資源主導型、學者主導型、企業媒體主導型和政府大眾主導型,並從環境系統對旅遊地域開發的影響程度出發,提出2種修正模式? ?阻礙模式和重阻礙模式;第六部,以安西縣為例,在全息析安西縣旅遊地域發展狀況之後,強調旅遊產品的開發與設計是旅遊地域開發的關鍵,並運用全息的觀點對旅遊產品開發進行了實證研究。
  13. Barzel made efforts to introduce the concept of public domain and the method of property rights analysis into the area of human capital, which makes up for in some degree the shortcoming in methodology when we use theory of property rights to analyze social change and economic growth, thus makes property right economics a microeconomic base of hayek ' s evolution theory

    巴澤爾的「公領域」概念和將產權析方擴展至人力資本領域的努力,在一定程度上彌補了產權經濟學在處理社會遷和經濟增長時所表現出來的方論上的不足,使產權經濟學成為哈耶克演化理論的重要觀基礎。
  14. The following four aspects of information are included : first, government process reengineering is directed by the new government concept, the one aspect is reaffirming the concept of the government, the other aspect is the orientation and goal of the government direct the process reengineering ; two, the background of government process reengineering is the development of many factors such as the social economy, scientific technique etc, especially the widely use of information technique ; third, the government process reengineering is aiming at the operation process of the government, so the thinking of taking the process as the center will be through all the reengineering process ; fourth, the government reengineering is drastically rethinking the management process, that is to emphasize the rebuilding process

    首先,結合政府在涉及業務流程的電子政務項目中的典型個案,總結析政府在進行這類項目時表現出來的性,歸納出企業流程再造在操作層面形成的成熟方。然後,再將二者進行比較析,得出政府進行流程再造時可以採用的觀方和宏觀策略。通過對政府流程再造的相關理論總結與實踐析,本文試圖尋找一些政府流程再造在操作層面的規律,最終的目的在於表達這樣的觀點,即政府治理理念的改最終將映射到業務的觀層面,在操作層面對信息技術的合理應用應該以業務流程為中心來進行。
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