元素的階 的英文怎麼說

中文拼音 [yuándejiē]
元素的階 英文
order of element
  • : 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...
  • : 4次方是 The fourth power of 2 is direction
  • : 名詞1. (臺階) steps; stairs 2. (等級) rank 3. [醫學] (耳蝸的三個螺旋管的任一個) scala 4. [數學] order 5. [地質學] stage
  1. And it can be divided into four phases of urban tourism of china, in which there are different characteristics. ( 2 ) the evolutive rules of urban tourism of china are as follows : 1 ) the exoteric extent of tourism notion is more and more swell ; 2 ) the form of urban tourism renovate with the development of cities ; 3 ) the layout of urban tourism inner and outer is from close and complanate to exoteric and tridimensional ; 4 ) the sustaining system of urban tourism is from absent to as clear as a bell, and will reach a rational and advanced extent. 5 ) the social delamination of urban tourism is form stern to syncretic ; 6 ) the evolvement tendency of urban tourism should be generalized as a curve of accumbent " s ", which present a course makes up of low - grade development, high - speed development and balanced development

    主要觀點歸納如下: ( 1 )城市旅遊是基於城市發展而發展,中國城市旅遊可分為古代、近代、現代和后現代四個段,分別對應於前工業文明時期城市旅遊、工業文明萌芽時期城市旅遊、全面建設工業文明和后工業文明因初露端倪時期城市旅遊,以及邁向信息時代城市旅遊,其間體現出不同城市旅遊發展特徵; ( 2 )經歷不同發展時期,中國城市旅遊表現出如下演進規律: 1 )城市旅遊觀念開放程度逐漸增強,對城市旅遊容納度日趨加大,對城市旅遊地位認識從忽視到關注再成為生活必要因; 2 )旅遊形式從單一走向多,新旅遊形式隨城市發展層出不窮; 3 )城市旅遊內外部空間聯系從封閉平面走向開放立體,達到網路化、連綿化、分區化、立體化布局; 4 )城市旅遊支持系統從缺失走向健全,達到理性高端; 5 )城市旅遊社會分層從森嚴走向融合,經歷了「小眾旅遊」 、 「大眾旅遊」 ,最終發展到「全民旅遊」 ; 6 )城市旅遊產業演變態勢可以概括為一條橫臥「 s 」曲線,表現為低開?高走?平穩發展。
  2. The compositions of usual elements and rare earth elements and inclusions of corundum megacrysts related to alkali basalt in changle, shandong province, are analyzed. in the main parts of corundum megacrysts are a large number of fluid - melting inclusions, zircon, ta - columbite inclusions, and in the central crystal core are a large number of melting inclusions. the corundum megacrysts were formed in different periods and different physical chemistry conditions. the crystal core was formed in magma system, and the main parts were formed in inhomogeneously geochemical conditions in which magam and fluid phases coexisted

    分析山東昌樂與堿性玄武巖有關剛玉巨晶不同部位常量、稀土及包裹體組成.剛玉巨晶主體以大量流體?熔體包裹體、鋯石、鈮(鉭)鐵礦包裹體為主,而巨晶中「晶核」部位則以大量熔體包裹體為主,反映研究區剛玉巨晶是在不同段形成.剛玉「晶核」以及「銅皮剛玉」形成於熔體相為主體系中,而主體剛玉則形成於熔體?流體過渡急劇變化不均一地球化學環境中
  3. Besides used as a tool for assisting in locating geometric elements during sketching stage, constrains is also a useful tool for convey design intents and knowledge during conceptional design stage

    約束已經成為支持整個設計過程不可缺少部分,它摘要浙江大學博士學位論文不僅在詳細設計段用來表示幾何聯系和定位信息,而且在概念設計段是設計者表達設計意圖和知識工具。
  4. There are two stages to crux maifan stone ' s formation, the first stage is the forming stage of primary material, that is to say, the stage of mother rock formation, in this stage, the latter hypabyssal intrusive of crystallization fractionation and self - metamorphic process are an important factor to make sure them have many trace elements

    麥飯石形成中有兩個段是十分關鍵,第一個段是基本物質形成段,即母巖形成段。在這一段中巖漿分異結晶晚期淺成侵入以及自變質作用,是保證其富含營養微量重要條件。
  5. Besides, of the several algorithms those have been proposed in the literature for solving the transportation problem, previous computational results indicated that the primal algorithm ( modi method ) is more efficient, so we have compared the amedv versus the modi method. because very little experimentation was carried out on algorithmic techniques used in the codes of amedv, we have also performed a number of runs that test the overall solution time as the number of significant digits in each of the parameters is varied

    因為判別值分配法是運輸問題引發出求解新方法,並且石法是目前解運輸問題較快速解法,所以特別針對運輸問題通過若干組有代表性檢驗數據進行數值測試,在實際問題中對比判別值分配法與石法演算法執行時間,研究兩對演算法執行效率上差別,並分析差別產生原因。
  6. The path - way controlling of neptunium in co - decontamination step of purex process, the extraction thermodynamics of amido podand and its usage in recovery of actinides from simulated hllw have been investigated. more than 95 % np were maintained in np ( v ) in 1a extractor and flowed into 1 aw, if enough amount of hno2 was added in feed adjustment and then hno2 scavenger ( urea ) was added before extraction. three kinds of amido podand were synthesized, and the extraction of lanthanides, actinides and some fission products were studied. one of them ( tbopda, n, n, n ', n " - tetrabutyl - 3 - oxa - pantenadiamide ) was used as extractant to recover actinides from hllw. the results of experiments show that more than 99. 99 % actinides were recovered from hllw and separated basically in groups. the main digests are as follows : 1

    鎿走向控制研究中通過調價段加入亞硝酸、而萃取前清除亞硝酸獨特辦法可以將大於95鎿趕入1aw 。合成了三種酰胺莢醚萃取劑,研究了它們對錒系和裂片萃取熱力學,通過條件實驗選擇了其中一種莢醚tbopda ( n , n , n 』 , n 』 ?四丁基? 3 ?氧戊二酰胺) ,進行了從模擬高放廢液中分離錒鑭系工藝研究,錒系回收率大於99 . 99 ,並且基本上實現了錒鑭組分離。其要點如下: 1
  7. The obvious overabundances of heavy - element are observed in ba stars. however, the luminosity of ba stars is too low to reach agb stage, and the nuclear 99tc have not observed in ba stars

    鋇星是過豐,但其光度太低,認為還未演化到agb段,而且並沒有觀測到~ ( 99 ) tc核
  8. Total kmno4 consumptions by lignin in both pulp and effluent were measured and the difference of this value from the kmno4 consumption by lignin in original unbleached kraft pulp was used as the indication of the extent of oxidation that lignin in the pulp experienced during oxygen bleaching

    該方法對溶出殘餘木質氧化結果分析發現其呈明顯3個段:第一段木質氧化當量電荷數約4 ~ 5 /木質;木質總氧化電荷數大約為9 /木質
  9. The elements of the reduced - jacobian matrix are functions of some parameters of the system. for example, effective short ratio, power base ratio, coupling impedance and load flow of the system. for single - infeed hvdc system with a parallel ac line, computer simulations using power system analysis software package ( psasp ) were performed

    用一種簡單方法可以求得降雅可比矩陣,由於降雅可比矩陣都是交直流混合系統中一些參數代數函數,如有效短路比、功率基準比、連接阻抗和系統潮流等,因此,矩陣特徵值也與這些參數相關。
  10. Next, this unstable atom, this new radio - element which we have calle " radio - phosphorus " decomposes exponentially with a half - life of three minutes

    第二段,這種不穩定原子,即我們稱之為「放射性磷」放射性在3分鐘半排出期內呈指數級方式進行分解。
  11. With those above, an essential explanation to the simplicity of the representation of rijndael s - box is given, and a direct proof to the equivalence between any two coordinate functions of rijndael s - box is provided, with the equivalence described by only one matrix of order eight over gf ( 28 ). 5

    利用這三種方法計算出分量表達式,解釋了rijndael演算法s盒代數表達式復雜度低本質原因;給出rijndael演算法s盒分量函數間等價關系一種直接證明方法,並用一個八gf ( 2 ~ 8 )矩陣完全刻劃這種等價關系。
  12. From then on, the above two shortcomings had been overcome. impurity concentration and junction depth can be accurately controlled and freely adjusted. both low and high dopant concentration can be gained easily, and ideal distribution of ga in si can also be achieved with uniform surface concentration, good repeatability and high eligibility and excellence ratio, which have greatly improved comprehensive performances of the devices

    此工藝發明以來,克服了上述兩者弊端,雜質濃度和結深能準確控制而又能任意調整,可進行低、高濃度段性摻雜,得到ga在si中理想分佈,而且表面濃度均勻一致、重復性好、合格率和優品率高,改善和提高了器件綜合性能。
  13. Niche breadth of four dominate populations at three age groups was studied by the methods of resource utilization ability and ratio. the result shows that : symplocos sectchuanensis is a typical gengeration species whi ch resource utilization ability is strong, and distribution is wide. meanwhile, go rdonia acuminata, castanopsis fargesis and pinus massoniana specialized at some d egree in resource utilizationm, their distribution is limited. especially, the ju venile of pinus massoniana specialized outstandingly. with the devlopment of pinu s massoniana, which is the pioneer population in mt. jinyun, the environment become s unfit to it ' s juvenile. it turns to needle and evergreen broad - leaves mixed fo r est. because the tolerance toward shading of gordonia acuminata is lower than tha t of castanopsis fargesis, gordonia acuminata will be substituted by castanopsis fargesis and other evergreen broad - leaves species are the edificators. the popul ation ' s ability of resource utilization is the inner factor of population distri bution and community succession. the distribution of light and the concentrate of nutrient ( such as n ) is the outer factors of community succession

    對縉雲山森林植被4個優勢種群3個年齡級生態位寬度進行了研究.結果表明,川灰木利用資源能力最強、分佈廣,為典型泛化種.大頭茶、栲樹、馬尾松對資源利用在一定程度上特化,分佈上有一定局限性.馬尾松中齡組與幼齡組特化現象十分顯著.縉雲山森林植被先鋒種馬尾松發展,導致環境改變不適于其幼齡個體生長,群落演替到針闊葉混交林段,最後發展為以栲樹等為建群種常綠闊葉林.種群資源利用能力,是種群分佈與群落演替內在原因,光因子和營養(如n )是群落演替主要外部動力
  14. Our results show that, during the evolution of a binary system, the system widens as it loses mass, and the orbital period increase, while orbital eccentricity remains nearly constant, which can explain the distribution regulation of orbital elements of normal g - k giant and barium stars and the distribution character of the heavy - element abundances of barium stars

    計算結果表明,隨著星風吸積過程進行,在星風質量損失段系統軌道半長軸將增大,導致軌道周期增大,而偏心率變化不大,由此可以解釋普通紅巨星雙星系統和鋇星系統軌道根數分佈規律和變化情況以及鋇星重豐度分佈特徵。
  15. Orders of periodic elements of general linear group over any field

    任意域上一般線性群周期元素的階
  16. What remains indisputable is the historical fact that the blues was developed entirely by the black american, who over the years incorporated african elements of melody, rhythm, and phrasing with the european inventions of diatonic harmony and form

    不可辯駁史實表明,藍調樂發展在其初期完全是由美洲黑人來完成:他們在其中融合了非洲音樂中旋律、節奏、曲式等與歐洲傳統音樂全音音、和聲及其曲式系統。
  17. To explain the nature of food as a medium for chemical reactions and the effects of electrolytes, non - electrolytes, ph and dispersed phases on the structures and reactivities of food components ; to examine in detail the mechanisms of non - enzymic browning, food additive - food component reactions, and methods of control

    介紹食物化學反應、電解質與非電解質效果、食物酸堿值發散段及組織與反應、非酵褐化結構、食品添加物成分與反應、與控制方法等。
  18. The evaluation method of element in state transition matrix is given when the wrong order of data packet is considered. considering the wrong order of data packets, the mathematic model of networked control systems with long time delay is developed. the sufficient and necessary conditions for stochastic stability of such networked control systems with long time delay are given

    分析了長時延網路控制系統矩穩定性和隨機穩定性;針對網路傳輸中數據包時序錯亂問題,提出了第二緩沖器方法;分析了網路誘導時延markov特性,並給出了時延markov鏈狀態轉移矩陣中求取方法;建立了存在數據包時序錯亂時長時延ncs數學模型,並給出了對應長時延ncs隨機穩定充分必要條件。
  19. The second-order determinant that multiplies a given element is found by crossing out the row and column in which that element appears.

    乘給定行列式是刪去該出現行和列而得到
  20. Nutrient elements distribution and cycling in the second rotation chinese fir plantation at fast - growing stage

    第2代杉木林速生段營養空間分佈特徵和生物循環
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