離子群 的英文怎麼說
中文拼音 [líziqún]
離子群
英文
cluster ion-
The results showed that the mean proportion of polymorphic loci ( ppb ) of anabasis aphylla, which comprised 3 subpopulations ( 58 individuals sampled ), generated by 16 primers was 94. 56 %, the value of ppb of ceratocarpus arenarius, which had 4 subpopulations ( 80 individuals sampled ), using 16 primers was 98. 00 %. the paper had proved that the higher genetic diversity and the genetic differentiation existed in the populations of boih anabasis aphylla and ceratocarpus arenarius, while the latter had much more genetic diversity than the former. moreover, the study discussed the shannon information index and nei ' s gene diversity index of the two species natural populations, which indicated that there were more genetic variations within the subpopu
另外,通過rapd資料的聚類分析及相關性分析研究,發現無葉假木賊和角果藜自然種群的遺傳結構與綠洲沙漠過渡帶的微生境生態因子(主要是土壤因子)相關,其中無葉假木賊亞種群遺傳多樣性水平不僅與土壤含水量( w ) 、鉀鈉離子濃度( k + na )和氯離子濃度( cl )呈顯著的正相關( p 0 . 05 ) ,還與土壤中有機質( som ) 、全氮( nt )和全磷( pt )含量呈顯著的負相關;同時,角果藜種群的遺傳多樣性水平與土壤中有機質( som )和全氮( nt )含量呈顯著的正相關,而與co _ 3 ~ ( 2 - )濃度呈顯著的負相關;除此之外,其它土壤生態因子與兩物種遺傳多樣性水平的相關性均不顯著(卜0 . 05 ) 。His found that a large number of crystal cell is one of the typical salt - resistant characteristics in high - saltnity halophytes, and the distribution of salt hydronium inside plants appears obvious regional characteristic of many arrangements : salt - hydronium - - vacuole - - despersed singal crystal cell or vacuole bags which contain salts - - vacuole bags or crystal cell in groups or distributed as groups - - little consecutive crystal cell ring of organ periphery - - consecutive crystal cell ring of organ periphery
發現大量的含晶細胞是高鹽度鹽生植物的一種代表性的抗鹽結構特徵,並且鹽離子在植物體內的分佈呈現出明顯的多層次性的區域化特徵:鹽離子液泡分散的單個含晶細胞或含鹽液泡包成群或成堆分佈的含鹽液泡包或含晶細胞器官外周不太連續的含晶細胞環器官外周連續的含晶細胞環。Consisting of the protracting graph of hydrogen - like atom ' s angle distributing, computer simulation of the symmetry of molecular orbital and chemical reaction mechanism, showing the molecular point group and symmetry element, computer simulation of molecular vibration, bravias ' s crystal lattice and their transforming, extracting of plane periodic lattice, extracting of solid periodic lattice, close packing of isometrical pellet and the structure of simple mental substance, close packing of unequal pellet and crystal structure of representative ionic crystal, computer simulation of phase analysis by x - ray diffraction
內容包括類氫原子角度分布圖的繪制,分子軌道對稱性和反應機理的微機模擬,分子點群和對稱元素顯示,分子振動運動的微機模擬,布拉維晶格和晶格轉化,平面點陣抽取,立體點陣抽取,等徑網球的密堆積和金屬單質結構,不等徑圓球密堆積和典型離子晶體結構, x射線多晶衍射的微機模擬十個子模塊。Discreteness criteria for subgroups of isometry group of pinched hadamard manifold
流形上等距子群的離散準則Though a stranger in the house he finally isolated himself in the midst of the company, huddling into a capacious morris chair and reading steadily from a thin volume he had drawn from his pocket
盡管他在這屋裡是個生人,最後卻縮到一張巨大的莫里斯安樂椅上,讓自己脫離人群一心一意讀起一本他從自己口袋裡抽出的小冊子。The main idea of this model is to cut down waiting time for the last ( slowest ) individuals, by dynamic splitting the population into demes, which can then be processed without delay
它的主要思想是通過動態分離種群為子群從而減少最差個體的等待時間,使得子群的演化不被拖延。A - quasiconvex subgroup of an asynchronously combable group is also asynchronously combable, and furthermore, a - quasiconvex subgroup of an asynchronously combable group equipped with a departure function is also asynchronously combable equipped with a departure function
摘要證明了異步可梳群的-擬凸子群仍是異步可梳群,並且如果異步可梳群具有分離函數,則其-擬凸子群也具有分離函數。A. thalianas were respectively introduced by ion beam with a collection of donor dna having a gradient genetic relation with a. thaliana. in vegetative phase of tl, the ratio of phenotypic variation showed no distinct difference among these transformed populations
用離子束介導與擬南芥菜親緣關系從近到遠一系列的外源供體的全dna轉化擬南芥菜,在轉化當代營養生長期,各轉化群體的表型變異情況沒有明顯的差別。The generation of energetic ions during the interaction of a linear - polarized ultra - short ultra - intense laser pulse with solid targets are examined by particle simulation. three energetic ion populations are observed and the acceleration mechanisms are analyzed, respectively. the first population is pulled out from the target by the electron jet in front of the target
模擬觀察到三群高能離子的產生,並對其加速機制一一進行了分析:在靶的前部,向外噴射的高能電子在靶前形成電子云,將一部分離子拉出靶面,形成第一群高能離子;激光驅動大量高能電子向靶內輸運,這些電子牽引靶前部的離子向前加速,形成第二群高能離子:高能電子很快穿透靶,在靶后形成電子云,加速靶后表面處的離子,形成第三群高能離子。They have no real weakness, unless a swarm is placed on top of them, a mortar is launched their way or a rain of plasma falls on them from a devastator
他們的弱點並不明顯,除非蜂群技能被扔到他們頭上、迫擊炮彈正中目標或是毀滅戰艦的離子炮彈掉在他們面前。We find a simple relation between the maximal ergodic subgroup and distal properties of algebraic actions and characterize the distal properties of zd algebraic actions. we also prove that if the group action is equicontinuous then ergodicity and topological transitivity are equivalent
討論了離散群在緊群上代數作用的極大遍歷子群與distal性質的關系;給出了z ~ d代數作用的distal性質的刻畫;證明了離散群等度連續作用下,遍歷與拓撲可遷等價。Discrete particle swarm algorithm for the rectangular strip packing problem
離散粒子群優化演算法求解矩形件排樣問題Mt. 13 : 36 then, leaving the crowds, he went into the house. and his disciples came to him, saying, make the parable of the tares of the field clear to us
太十三36當下,耶穌離開群眾,進了屋裡。他的門徒到他跟前來,說,請把田間稗子的比喻,給我們講解清楚。So it will be least expensive and easiest politically to build them in “ nuclear clusters, ” far from urban areas
因此,在遠離市區的核子群集建造核能發電廠,花費會比較低,政治上也比較容易通過。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 ) 。Mint total dna was transferred into a. thaliana mediated by ion beam with the influence of 0. 5 10 1. 5 1017 and 2. 5 1017 ions / cm2, respectively, which were on the bridge of saddle. among three transferred populations, their budding, seedling, growth and phenotypic variation took on obvious difference. combining these facts, the influence of 1. 5 1017ions / cm2 was decided as transformation influence of the following work
我們從另外一個角度出發,在離子注入劑量-擬南芥菜存活曲線的基礎上,選擇不同的離子劑量介導薄荷全dna轉化擬南芥菜,根據各個轉化群體在遺傳和生理上的不同變化,選擇1 . 5 10 ~ ( 17 ) ions cm ~ 2作為我們以後轉化工作的轉化劑量。As the results, more and more serious requirements were raised to the nuclear data acquisition and control system. in order to meet these requirements and to support the advanced study of the interaction between clusters and materials, a key project supported by china national science foundation, we have done the study of the data acquisition and control system for the clusters characteristic in detail, and employed single - chip microcomputers and pc computers to compose a large scale data acquisition and control system. the composition mode of this kind of system and the distribution of tasks, the acquisition and control circuit units based on single - chip microcomputers, the real - time communication methods and the software composition under the windows 98 were also discussed in detail
針對這一問題並為了保證國家自然科學基金重點項目「荷能離子團簇與介質的相互作用」等前沿研究課題的進行,本論文對團簇研究中的數據獲取和調控問題進行了詳細研究,提出了以pc微機和集群式單片微機為主構成的團簇特性研究用分散式多通道數據獲取和調控系統的方法;詳細討論了這種系統的最佳組成模式、任務分配、單片微機數據采控單元、系統內實時通訊網的建立和windows環境下系統軟體的編寫等硬軟體問題。We focused our discussions on the mechanism of saturation of the wakefield and the electron parametric instabilities which affect the process of the wakefield generation and electrons acceleration. we developed a 2 - dimension distributed parallel pic code under mpi parallel environment and got a good speedup ratio tested on yh - iv and pc computer groups
為了解決研究激光和稀薄等離子體相互作用所需的大量計算,我們研製了21 2d分散式粒子模擬并行程序,在微機群和巨型機yh ? iv對程序并行性能進行了測試得到了較高的加速比。They are the best district of natural aii anion bar district. in addition, the belonglan and renzipu natural air anion bar " s air negative ion density is also higher, the quality is also fine
慈光閣以上,包括光明頂、玉屏峰、蓮花峰、天海及從西海水庫向西北延伸至群峰頂這一片以西,空氣負離子濃度低,不屬于天然氧吧區。Discrete three sub - swarms particle swarm optimization algorithm
離散三群粒子群優化演算法分享友人