鄰近分子 的英文怎麼說
中文拼音 [līnjìnfēnzi]
鄰近分子
英文
neighboring molecule-
A variety of methods including the tabular comparison of data, the tabular comparison of similarity coefficient, the nearest neighbor method and the group - average method of hierarchical agglomerative classification were applied to investigate the forest communities in meizi lake area
森林植被樣地中以喬木層樹種的重要值為指標,採用紙條排隊法、群落相似系數分類法、最近鄰體法、組平均法對梅子湖森林植被樣地進行數量分類。The negative sign reflects the dominance of the nearest neighbors, and shows that work would have to be done to take the crystal apart into ions.
負號反映出最鄰近的離子起著占優勢的作用,並表明要把這種晶體分解成離子必須對它做功。The aim of this work is to have a better understanding of the structure, differentiation and phylogenetic relationship of the tribe hyoscyameae in the solanaceae using evidence from leaf epidermis, seed morphology, palynology, embryology, floral organogenesis, trnl - f and its sequences, and plant geography. the results are summarized as follows : 1. leaf epidermis leaf epidermis of 21 species in seven genera of the tribe hyoscyameae and four species in four related genera was investigated under both light microscope ( lm ) and scanning electron microscope ( sem )
解剖學在光學顯微鏡和掃描電鏡下,觀察了茄科天仙子族( hyoscyameae ) 7屬21種及鄰近4屬4種共25種植物的葉表皮特徵,結果表明:氣孔器在各種植物的上、下的表皮均有分佈,多為無規則型,也有不等細胞型;葉表皮細胞形狀有不規則形、十字形、近長圓形和不規則多邊形,垂周壁較平直或各種波狀。In this paper, the basic characteristics of neilingding island ? s flora and their relationships with the neighboring floras were studied. the results show : ( 1 ) the vascular flora of neilingding island consists of 127 families, 367 genera and 551 species, of which 38 species of 25 genera and 20 families belongs to pteridophyta ; ( 2 ) the typical families of seed flora are lauraceae, rubiaceae, apocynaceae, annonaceae, euphorbiaceae, moraceae, aquifoliaceae, rutaceae, araliaceae, myrsinaceae, urticaceae, menispermaceae, araceae, palmae, etc. most of them also are the basic elements of cathaysian flora ; ( 3 ) 342 genera of seed plants in neilingding island can be classified to 13 types according to wu zheng - yi ? s " areal types of chinese genera of seed plant " ; the dominant geographical elements are pantropic genera ( 36. 05 % ), old world tropic ( 12. 54 % ), tropical asia ( 11. 60 % ), the total tropical elements made up to 84. 90 % of the total number of genera, but the typical and specialized tropical elements are scanty. most of them mainly distributes to sub - tropic or even to temperate zone ; ( 4 ) comparing the floristic composition of neilingding island with those of the neighboring regions, they is closely related to the flora of hong kong which is situated to the east of neilingding island. they all are belonged to the south china province of cathaysian kingdom
通過對廣東內伶仃島的維管植物區系進行全面考察、採集、鑒定和研究,結果表明: ( 1 )共有野生維管植物127科367屬551種,其中蕨類植物20科25屬38種,種子植物107科342屬513種, 12種為廣東新記錄; ( 2 )種子植物區系的表徵科主要有:樟科、茜草科、夾竹桃科、番荔枝科、大戟科、桑科、冬青科、蕓香科、葡萄科、五加科、紫金牛科、蕁麻科、防己科、天南星科、棕櫚科等; ( 3 )屬的地理成分以泛熱帶分佈為主,其次為舊世界熱帶及東亞分佈; ( 3 )通過與鄰近地區植物區系的比較,發現內伶仃島與香港植物區系相似性最高,與古田、古兜山的相似性次之,而與南崑山的相似性較低,它們均屬于華夏植物區系界的華南省。As the clan prospered, it further branched out to the neighbouring area, establishing the present - day " five wais and six tsuens " within a few hundred years
自后開村立業,子孫繁衍,始分遷鄰近地區,另立村莊,數百年間,成為今日的五圍六村。Compared with the behavior of macromolecules in real solution system, the adsorption information in the monte carlo simulation system, such as adsorption isotherm, surface coverage, and bound fraction, was studied for discussing its relation to simulation parameters. five - selection simple cubic lattice, self - avoiding walk, and nearest interaction model were used to construct the homopolymer adsorption model on the solid - liquid interface. periodic boundary conditions were used to reduce the fixed error from limited cubic lattice in size
模擬中採用五選擇簡單立方格子上的自迴避行走和最近鄰相互作用模型;使用周期性邊界條件以減小有限大格子空間帶來的系統誤差;用鏈節間相互作用能、界面吸附能、體相濃度和鏈長約束體系中的高分子的吸附行為;用末端轉動、 l -翻轉、曲柄運動、蛇形運動和r - r切除-生長法對模擬體系進行擾動;用系統達到吸附平衡后的樣本來研究模擬體系中的高分子鏈在固液界面上的吸附。This paper bases on the evolved process of environmental conditions during geological period, in west zhuo zi mountain and nearby area. it discusses the evolve process of natural environment before cenozoic era of this area and analyses the relationship between rare phytocoenology and the econological environment conditions of paleoclimate, paleogeology, paleoorganisms before cenozoic era of this area
以西桌子山及其鄰近地區在地質歷史時期環境條件演變過程為主線,論述了該地區在新生代以前的自然環境演變過程,分析總結了西桌子山地區在新生代之前的古氣候、古地質、古生物等生態環境條件與珍稀植物群發生的關系The crystal structure has each atom surrounded by eight nearest neighbors which lie at the corners of a cube.
其晶體結構是每個原子都被8個最鄰近的原子所包圍,它們分別位於立方體的各個角上。Analytical solution of the nearest surface spacing between neighboring binder grains in fresh cement paste
新拌水泥漿體中鄰近膠凝材料粒子表面最近間距分佈的解析解To fully appreciate and discover athens ' many charms, do as the greeks do : venture out into the neighborhoods, find the packed nightclubs, eat at one of the innumerable restaurants tucked in the most unlikely places, or see hollywood stars under real stars in a romantic outdoor cinema
要想充分欣賞和發現雅典的諸多妙處,那就入鄉隨俗吧:大膽走進鄰近的街區,尋找熙熙攘攘的夜總會,選一家藏匿在最不可能的地方的館子吃飯,或者找一個浪漫的露天電影院,在星空下欣賞好萊塢明星。This study employed six data mining methods, including logistic regression, discriminant analysis, artificial neural networks, k - nearest - neighbors, na ? ve bayes classifier, and classification trees, to find the most important factors of earthquake - caused landslide
本研究利用六種資料探勘方法,包括邏輯回歸、判別分析、類神經網路、最近鄰法、貝氏分類器、分類樹,探討影響地震引起山崩的重要因子。Here light from the nearest stars takes years to reach us, and the density of gas averages about one atom per cubic centimeter
在這里,來自最近鄰恆星的光需要好幾年才能抵達,而氣體的密度平均而言,大約是每立方公分內有一個原子。Basic equipment includes camera with long time exposure function, tripod and fast film iso400 or above. camera lens should be set to infinity with maximum aperture. then, you can point the camera to the night sky for a 5 - minute exposure time
將鏡頭對焦至無限遠,對準獅子座及其鄰近星座,光圈調至最大,配合高速的底片iso400或以上或將數碼相機的感光度調高,作5分鐘長時間曝光,或有收獲。After the feb. 22 attack on the golden dome shrine in samarra, shadowy groups of shiite militiamen with possible ties to iraqi security forces launched a wave of reprisal attacks against sunni mosques and neighborhoods
二月22日薩馬拉金頂寺遇襲后,幽靈般的什葉派武裝分子有可能依靠伊拉克安全部隊發動針對遜尼派清真寺及其鄰近的報復性襲擊。Because the traditional collaborative filtering recommendation has certain insufficiency such as recommendation precision, the data processing efficiency, this article proposes a collaborative filtering method based on cluster and project forecast in coordination. after the users and the commodities are carried into gathers, the people of the same kind and the commodity of the same sort should be constructed the
由於傳統協同過濾推薦在推薦精度、數據處理效率都有一定的不足,文中提出一種基於聚類和項目預測的協同過濾方法,把用戶、商品進行聚類后,將同屬一類的用戶、商品構建用戶? ?商品子矩陣,在該矩陣基礎上進行最近鄰查詢,從而計算用戶對未評分項目的預測評分。The classification mechanism of dual range subspace ( drs ) using the nearest feature line is analyzed in detail
摘要研究分析了雙距離像子空間的分類機理,並介紹了所採用的最近鄰特徵線判別規則。At the same time, this paper puts forward a validity function for judging clustering in order to lead us to use it in k - nearest neighbor classification ; then introduces " generalization capability of a case " to k - nearest neighbour. according to the proposed approach, the cases with better generalization capability are maintained as the representative cases while those redundant cases found in their coverage are removed. we can find a new less but almost complete training data set, consequently reduce complexity of seeking near neighbour
針對k值的學習,本文初步使用了遺傳演算法選擇較優的k值,同時總結了一種聚類有效性函數,數值實驗證實了其有效性,旨在指導應用於k -近鄰分類中;然後還將「擴張能力」的概念引入k -近鄰演算法,根據訓練集例子不同的覆蓋能力,刪除冗餘樣本,得到數量較小同時代表類別情況又比較完全的新的訓練集,從而降低查找近鄰復雜性。In capter 2, it is proved that the system possesses a global attractor and a two - side estimate for the fractal dimension of it is presented. in capter 3, several different approximate intertial manifolds of the system are constructed by applying linear galerkin method, method of projecting operator and operator eigenvalue and successive iterative method, and it is proved that arbitary trajectory of the system enters into a small neighbourhood of the global attractor after large time. capter 4 studies the asymptotic attractor of the system by constructing a solution sequence which approaches to the global attractor of the equation in long time, and the dimentional estimate of the asymptotic attractor is given
第二章證明了該系統的整體吸引子的存在性,給出了其分形維數的上下界;第三章利用線性galerkin方法、運算元投射和運算元特徵值方法及逐次迭代方法構造了幾類近似慣性流形,證明了該方程的任意解軌道在長時間后進入整體吸引子的任意小鄰域;第四章構造了一個有限維解序列即該系統的漸近吸引子,證明了它在長時間后無限趨于方程的整體吸引子,並給出了漸近吸引子的維數估計But the cases of two or more foundations were not presented because the interactions between foundations were not considered in all present papers. this thesis eliminates two faults named above by using the assumption of the plane strain and of dynamic foundation - soil interaction factors. the calculating method of dynamic impedances presented by the paper proved to be accurate and practical
過去許多學者通常將任意形狀基礎的外包規則幾何形狀代替原有的不規則基礎形狀,以達到確定動剛度和阻尼系數的目的,顯然計算結果是近似的;本文將任意剛性基礎劃分為規則的小型基礎,然後求小型基礎之間的動力相互作用因子,最後得到任意剛性基礎的動剛度和阻尼,而且這種方法也可考慮相鄰基礎產生的影響。分享友人