等中子群 的英文怎麼說

中文拼音 [děngzhōngziqún]
等中子群 英文
isoneutronic group
  • 等 : Ⅰ量詞1 （等級） class; grade; rank 2 （種; 類） kind; sort; type Ⅱ形容詞（程度或數量上相同） equa...
  • 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...
  • 群 : Ⅰ名詞（聚在一起的人或物） crowd; group Ⅱ量詞（用於成群的人或物） group; herd; flock
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山（自然保護區） 、黔江武陵山（國家重點退耕還林示範縣，森林覆蓋率50以上）和北碚中梁山（遭人為破壞嚴重）典型巖溶區為對象，選擇了幾種重要的利用方式，包括林地、果園、耕地、棄耕地和灌草坡，採用野外巖溶生態調查和室內試驗測量分析相結合的方法，以不同土地利用方式巖溶土壤肥力為重點，對不同土地利用方式土壤肥力特徵進行量化分析，找出巖溶土壤肥力差異的主要方面及其根本原因，論文主要從土壤剖面物理退化指標（有效土層厚度、有機質層厚度、質地、團聚體、水分含量等） ，化學肥力退化指標（有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等） ，樣地土壤微生物指標（細菌、真菌、放線菌數量及總量）以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究，為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. Conspicuous among these latter, like an animated bit of the spiked wall of newgate, jerry stood : aiming at the prisoner the beery breath of a whet he had taken as he came along, and discharging it to mingle with the waves of other beer, and gin, and tea, and coffee, and what not, that flowed at him, and already broke upon the great windows behind him in an impure mist and rain

    傑瑞站在站立的人群中很顯眼，好像是新門監獄帶鐵蒺藜的墻壁的一個活的部分，他那有啤酒味兒的鼻息向囚犯吹去他在路上才喝了一盅，也把那氣味跟別人的氣味-一啤酒味杜松子酒味茶味咖啡味等等-混合到了一起，形成了一股浪潮。
  3. According to the low speed of constringency and high complexity of training methods in large scale training, particle swarm algorithm is brought forward to solve the problem

    針對在大規模訓練中演算法收斂速度慢、復雜程度高等問題，提出用粒子群演算法求解其中的二次規劃問題的思想。
  4. The presence even for a moment among a party of debauchees of a woman endued with every quality of modesty and not less severe than beautiful refrained the humorous sallies even of the most licentious but her departure was the signal for an outbreak of ribaldry

    一賢淑端莊容貌標致之淑女一時出現于蕩子群中，彼等淫蕩之徒便即刻收斂其輕佻猥褻。然而俟伊退出后，穢言穢語剎那間重新爆發。
  5. As the truant schoolboy, registering a mental vow to wait at the stage door, was running with burning cheeks toward the passage des panoramas, of which he found the gate closed, satin, standing on the edge of the pavement, moved forward and brushed him with her skirts, but he in his despair gave her a savage refusal and vanished amid the crowd, tears of impotent desire in his eyes

    那個逃學的中學生，臉上火辣辣的，決定到門前等待演員們出來，他向著全景衚衕跑去，結果發現衚衕的柵欄關著。薩丹站在人行道上，走過來用裙子撩擦他由於心情不好，他粗暴地拒絕了她。她眼裡噙著慾望和無能為力的淚水，消失在人群中。
  6. Before daybreak the crowds would form, long lines of children and adults both, each one clutching his or her dollar, and waiting with wonderment to see what race of strange creatures the professor had brought this year

    天亮之前，人群就涌來了，無論大人孩子都排起長隊，人人手裡抓著美元，口中驚嘆不斷，等著看今年教授帶來了哪種奇怪生物。
  7. 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

    對縉雲山森林植被的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，川灰木利用資源的能力最強、分佈廣，為典型的泛化種.大頭茶、栲樹、馬尾松對資源的利用在一定程度上特化，分佈上有一定的局限性.馬尾松的中齡組與幼齡組特化現象十分顯著.縉雲山森林植被的先鋒種馬尾松的發展，導致環境的改變不適于其幼齡個體的生長，群落演替到針闊葉混交林階段，最後發展為以栲樹等為建群種的常綠闊葉林.種群的資源利用能力，是種群分佈與群落演替的內在原因，光因子和營養元素（如n ）是群落演替的主要外部動力
  8. As the leader in china ' s human resource service industry, fesco provides services to more than 200, 000 chinese and foreign employees of more than 8, 000 customers from a hundred or so countries and regions, including many well - known multinationals, with a wide range of customers from such hi - tech fields as communication, electronics, it, biotechnology, the internet and car and many industries such as petrol - chemistry, medicine, financial, fast moving consumer goods

    作為中國人力資源服務行業的領跑者， fesco服務于上百個國家和地區的8千余家客戶的20餘萬名中外雇員，其中包括眾多國際知名跨國企業，客戶群體橫跨通信電子、 it 、生物技術、網際網路、汽車等高新科技領域和石化、醫藥、金融、快速消費品等多個行業。
  9. In the second part, several fuzzy algebra structures, such as l - fuzzy subfield, l - fuzzy linear spaces over l - fuzzy subfields, l - fuzzy algebra over l - fuzzy subfields, l - fuzzy sublattice group etc, are defined. subsequently, based on several kinds of level cut sets in [ 8 ], their some nature properties are discussed

    第二部分的主要內容如下：第二部分這一部分給出了l - fuzzy代數中的l - fuzzy子域， l - fuzzy子域上的l - fuzzy線性空間， l - fuzzy子域上的l - fuzzy代數， l - fuzzy子格群等代數結構的定義並藉助于[ 8 ]中的幾種水平截集討論了它們的若干特徵性質。
  10. This paper introduces the entropy of the genepool and the genetype of a pair alleles population in inbreeding, and demonstrates the character of genetype entropy, the character of inter - zygote ' s inter - entropy, and the relation between the latter and coefficient of inbreeding in the generation change

    摘要研究了在近親繁殖下一對等位基因群體的基因庫信息熵和基因型信息熵，並討論了在世代交替中基因型信息熵的性質、配子間的互信息性質及其與近交系數的關系，並定義了配子間的近交關聯信息系數。
  11. The bisonc burnup library is replaced to facilitate the computation of the burnup process with complicated burnup chains. we have made and evaluated the new library ( hendl ) which contains 139 kinds of nuclides with 175 groups for neutron and 42 groups for gamma, 15 kinds of neutron reactions and p0 - p5 expansion. the revised code which we call bus - id is more adaptable to the computation of hybrid reactor for its fuel breeding and the transmutation of the hlw

    並且在一維輸運及燃耗計算程序bisonc的基礎上，提出用新的數據庫（ hendl ）代替原有的bisonc數據庫， hendl庫考慮了更加全面的燃耗過程和多種燃料循環方式，通過修正讀入的核截面數據庫中的參數，考慮共振自屏效應，製作並且評估了新的含有139種核素、多種反應截面、 175群中子42群光子、 p _ 0 - p _ 5展開的中子反應數據庫，開發出新的程序bus - 1d ，使得更能適應聚變?裂變混合堆的燃料增殖、高放長壽命核廢料（ hlw ）的嬗變等計算的要求。
  12. The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method

    本文系統的介紹了速調管的工作原理、主要特點、發展概況、主要性能指標和技術特點，解析的研究了電子束在相對論速調管放大器的調制腔和漂移管中的預群聚;用粒子波互作用的場方法導出了在輻射腔中預群聚電子束產生輻射的自洽方程，同時對線性區的增益進行了計算。理論分析表明，場分析法可用於計算單注單間隙、多注多間隙、單注多間隙和多注多間隙速調管輸出迴路的諧振頻率、間隙阻抗實部和外觀品質因數等特性參數。
  13. The fds ( fusion design study ) team of asipp ( institute of plasma physics, chinese academy of sciences ) was formed to study possible paths for the application of fusion energy, currently working for finding the feasibility application roads of fusion energy with the study of concept design, simulation, development of related key techniques and specifying out the main issues and improving suggestions

    中國科學院等離子體物理研究所fds （ fusiondesignstudy ）課題組為了探索先進核能系統以及核能系統更廣泛應用途徑，在五個主要評價數據庫以及iaea的fendl e - 2 . 0評價數據庫的基礎上自主開發了多群混合評價數據庫hendl1 . 0 mg （ hybridevaluatednucleardatalibrary ） 。
  14. Tests demonstrate that the using particle swarm optimization algorithm to optimize load distribution has the advantages of simpleness, fast speed and high degree of convergence, which can be generalized as a new method of rolling load distribution of tandem cold mill

    實驗證明，粒子群演算法在軋制負荷分配計算中，具有演算法實現簡便、運算速度快、收斂性好等優點，可以作為一種冷連軋軋制負荷分配的新方法加以推廣。
  15. This paper has studied the mean attenuation, scattering, and back scattering cross sections of groups of small rotating spheroids about characteristics of microwave scattering when their rotatory axes are oriented at random in any direction in 2d plane and 3d space respectively under the condition of normal distribution, and that those physical quantities are changed with different variance, expectation and wave lengths of incident electromagnetic wave

    本文研究旋轉軸方向分別在平面內和空間中隨機取向呈正態分佈時的小旋轉橢球粒子群的平均衰減截面、平均散射截面、平均後向散射截面等微波散射特徵，以及這些物理量隨軸向分佈期望、方差及入射電磁波波長的變化。
  16. For a given finite connected graph f, a group h of automorphisms of f and a finite group a = z, du, kawk and xu ( see [ 6 ] ) get some new matrix - theoretical characterizations to classify all the connected regular coverings of f having a as its covering transformation group, on which each automorphism in h can be lifted

    設為有限連通圖， h為它的自同構群的一個子群， a為給定一個初等交換p -群。杜少飛， kawk和徐明曜用矩陣的方法將的正則連通覆蓋圖進行了分類，其中以a作其為覆蓋變換群，並且h可提升。
  17. The arising and development of electronic academic journals such as caj - cd, chinese journal web, chinese digital journal group, and " chemical journal on internet " is the combined product of information technology and academic journal publication, and by comparison and analysis, plenty of inspiration and reference can be made to the proper model of the development of academic journals in this internet era

    Caj - cd 、中國期刊網和中國數字化期刊群、 《國際網上化學學報》等電子學術期刊的出現及發展，是信息技術與學術期刊出版相結合的現實產物，對它們的比照分析為學術期刊尋求在網路環境中發展的合適模式提供了啟示與借鑒。
  18. Following the study of the computational model of cooperative coevolution, a cga is then designed to match and schedule multiple decomposed tasks in homogeneous network environments. the work includes the combination of sub - schedules into a whole with heuristic, and the individual ' s fitness computation, etc. simplified model and general model are the two types of network heterogeneous computing discussed

    將合作式共同進化計算模型應用於同構系統中的獨立多任務分配與調度問題，提出一個獨立多任務分配與調度的共同進化遺傳演算法，包括子種群中子分配與調度實例組合成總分配與調度實例的啟發式合併方法，以及子種群個體的適應值計算方法等。
  19. A new hybrid particle swarm optimization combined with genetic algorithm was proposed in order to solve complex questions with high dimensions and overcome pie - maturity and the weak ability of local search

    摘要為解決高維復雜函數的優化問題，克服標準粒子群演算法早熟收斂、局部搜索能力弱等缺點，在標準粒子群優化演算法中融合了遺傳演算法的設計思想，提出了一種新穎的混合粒子群演算法。
  20. Abstract a new hybrid particle swarm optimization combined with genetic algorithm was proposed in order to solve complex questions with high dimensions and overcome pre ? maturity and the weak ability of local search

    摘要為解決高維復雜函數的優化問題，克服標準粒子群演算法早熟收斂、局部搜索能力弱等缺點，在標準粒子群優化演算法中融合了遺傳演算法的設計思想，提出了一種新穎的混合粒子群演算法。
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