特定密度 的英文怎麼說

中文拼音 [dìng]
特定密度 英文
specific density
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 特定 : 1. (特別指定的) specially appointed; specially designated 2. (某一個) given; specified; specific
  1. Some tendency of tn5gusa5 transposition were found that all preferred sites of tn5gusa5 in xcc 8004 genomic dna are in at - rich regions ; target sequences of tn5gusa5 have some features that the probabilities of guanine and cytosine are high respectively at the head and tail base of target sequence ; the level of gene transcription does not influence insertion density of tn5gusa5 significantly

    結果表明, tn5gusa5插入位點有一的規律性: tn5gusa5在xcc8004基因組上傾向于插入低gc含量( 50左右的區域插入最高)區段;插入位點的靶序列有一異性,在靶序列的首位鳥嘌呤出現的幾率高,而在靶序列的末位胞嘧啶出現幾率高; tn5gusa5的插入與該區段基因的轉錄水平無明顯關系。
  2. The studies of plane heterogeneity are as follows : the text counts the parameters of the sandlayers " geometric shape of different sedimentous microfacies ; speculates the conditions of lateral communication by sandstone density according to the method brought forward by j. r. l. allen ; gets a group of parameters including the reservoir thickness, porosity and coefficient of permeability by using kriging method according to the data of logging results ; makes certain the direction of coefficient of permeability with variation function by modeling globosity function ; divides the sandlayers into five types by using the method of flowing cell based on three parameters, that is x h, kxh and h / h, and accounts the favorable region. on the base of above - mentioned studies, the text evaluates the heterogeneity of sandlayers and gives the resolutions to these problems to serve the development of the field

    Allen )等人提出的統計方法,用垂向上砂體的界限來推測砂體側向連通情況;根據每口井的測井解釋資料,利用克里金插值法對外間進行插值,得到了一組反映儲層徵在平面上變化的參數,包括儲層厚分佈、孔隙以及滲透率,並且成圖;利用變差函數法,通過球狀函數模擬,確儲層優勢滲透率方向:根據流動單元法,以儲能系數、容積系數以及凈毛厚比三個參數為依據,通過聚類分析方法進行流動單元劃分,並且按照參數徵將其分為五類,統計各砂層有利流動單元區塊。
  3. On the basis of field investigation and a lot of tests, the paper detailed researches the engineering geology properties of xigeda filling material. the distinction of the modulus of resilience was analyzed, and the influence of the intrinsic factors including moisture content, dry density, mudstone content and the external factors including compaction mode, paving thickness were adequately discussed. based on the researching how various factors influence the road compaction effectiveness, the author studied the relationship between modulus of resilience and roadbed compaction quality index, connected the compactness with modulus, and listed the data of the modulus in the various compaction area

    基於此,本論文在大量現場調查、室內外試驗資料基礎上,詳細研究了昔格達填料的工程地質性質;通過路基回彈模量徵的研究,充分闡述了含水量、干、泥巖含量等「內因」 ,及壓實方式、松鋪厚等「外因」對路基模量值的影響;在分析眾多因素對路基壓實效果影響的基礎上,開展了回彈模量與路基壓實質量指標間關系的研究,進而把現場壓實與現場回彈模量有機的聯系起來,給了不同壓實區間對應的模量值。
  4. Previous researchers have always determined the sp atial distribution patterns ( sdp ) of castanopsis kawakamii with a sample - dis tance method. however, the distribution patterns may be affected by the quadrat si ze and, in the course of analysis, the density differences among the cluster plots are not considered ; therefore, differences of cluster plot size and the dispersi on degree among individuals of cluster plots can not be known. authers of this pa per have determined the spatial distribution patterns of castanopsis kawakamii population in different habitats by means of non - quadrat distance method and a nalysed the pattern intensity and grain of the sdp. the pattern intensity is defi ned with the relative density differences and the pattern grain can embody the d ispersion degree of the individuals in the plots, and the dispersion degree among the plots. the determined results are as follows. the intensities of the species range in order from strong to week : litsea mollifolia p. kawakamii i. purpure a r. cochinchinensis c. kawakamii c. carlessii d. oldphamii s. superba. the gra ins of the species queue in order from coarse to close : s. superba = litsea mollif olia r. cohinchinensis c. kawakamii = i. purpurea c. carlessii p. racemosam d. oldp hamii. these determined results tally basiclly with the results authers of this paper have got in determining the same plots by means of aggregate index access ing method. in view of this, it is held that the sdp of c. kawakamii is closely related to the habitats and biological features

    前人都是採用樣方方法對格氏栲種群數量的空間格局進行測,而格局分佈有可能受樣方大小的影響,且分析過程中沒有涉及聚塊間差的問題,因而無法掌握種群的聚塊大小差別及聚塊內個體間的離散程.本研究採用無樣方距離法,測不同生境的格氏栲種群空間格局,分析格氏栲種群格局的強和紋理.強以聚塊和間隙的差來義,紋理則是體現聚塊內個體間的離散程與諸聚塊間的分離程.測結果表明,格氏栲種群格局強從高到低排列次序為:木姜子蚊母樹冬青茜草樹格氏栲米櫧虎皮楠木荷;格局紋理從粗到細的順序是:木荷=木姜子茜草樹格氏栲=冬青米櫧蚊母樹虎皮楠.這一測結果與作者採用聚集指標測相同樣地格氏栲種群空間格局的結果基本相符.因此,格氏栲空間格局類型及分佈與格氏栲生物學性及生境的關系
  5. According to the feature that deformation resulted from water absorption and mildew appear mainly on the rabbet surface of ccf, this paper adopts rsst to spray a special waterproof sealant on rabbet surface of ccf, so that the sealant can get into fiberboard to certain extent by means of capillarity and penetration, blockage the holes between fibers and capillary, cut up passage of water and change the properties of soakage and sorption to water in capillarity and fiber. at the same time, solidified sealant can form a compact waterproof pellicle on rabbet surface so as to prevent water and humidity from fiber ' s expansion and mildewing

    針對吸水變形、霉變主要發生在地板企口表面的徵,採用企口表面全封閉法,在復合強化地板企口表面噴塗殊的防水封閉劑,使其依靠毛細管作用及滲透作用進入板內一,堵塞木纖維之間的空隙及毛細孔通道,截斷水分傳遞的渠道,並改變毛細孔壁及纖維的表面性質以不利於水的浸潤與吸附,同時其固化后能在企口表面形成一層緻的憎水薄膜,防止水分、濕氣從企口侵入板內引起木纖維膨脹變形、發霉等現象。
  6. The existence of south great wall need no more testification. the " border wall of miao area " had nothing different in time. framework and function from the north great wall except the area it passed with humid climate and dense population, so the peculiarly cultural background of the great wall as functional borderline between different ethnic cultures in history was embodied clearly in a little county. it is advantageous for us to rootle cultural content of the great wall and produce popular brand of tourism on the great wall culture

    中國南方長城的存在已是不爭的事實,苗疆邊墻不論從修築的時間、結構和功能上都與北方長城沒有什麼兩樣,不同的是它經過我國溫暖濕潤的地區,那裡民族眾多,人口較大,從而使長城作為歷史上中國地區不同民族文化之間的功能界線,這一有的文化背景,在更小的區域內得到了清晰地體現。
  7. Scott metallic powders - determination of apparent density - scott volumeter method

    金屬粉末.表觀的測.第2部分:斯科
  8. Metallic powders - determination of apparent density - part 2 : scott volumeter method

    金屬粉末松裝的測第2部分:斯柯容量計法
  9. Metallic powders. determination of apparent density. part 2 : scott volumeter method

    金屬粉末.表觀的測.部分2 :斯可容積測量法
  10. Scott metallic powders ; determination of apparent density ; scott volumeter method ; identical with iso 3923 2, edition 1981

    金屬粉末.表觀的測.第2部分:斯科
  11. By performing fourier transformation, the relationship between the turbulent intensity of the particle and that of the carrier fluid was obtained which makes clear that particle size, specific gravity, velocity gradient, and the characteristic frequency of energy - containing eddies are four basic influencing parameters. it is proven theoretically that under certain conditions, the stream - wise and transverse particle turbulent intensities exceed those of the carrier fluid. based on the equations of two - phase flow, the presence of fine sediment suspension is shown to attenuate the turbulent intensity of the water

    通過對細小顆粒在剪切流場中運動方程的fourier分析,得到了顆粒脈動強和流體脈動強之間的量關系,表明顆粒粒徑、顆粒、流速梯以及紊動場含能旋渦的徵頻率是影響顆粒脈動強的主要因素,首次從理論上證明了在一條件下,顆粒在縱、垂向的脈動強均會超過相應的流體脈動強,為已有的實測資料提供了合理的解釋。
  12. As explained by the following figure, gas in low pressure and low density will alter the light that passes through it. it is because the gas will absorb light at some particular wavelengths and re - radiate it in random directions. thus, after passing through the low pressure gas, the spectrum of the original white light will have dark lines, called

    並不是所有光譜都是黑體輻射光譜,如下圖所示,低壓下的低氣體會改變通過它們的光線,這是由於氣體會吸收波長的光波並隨機向不同方向把所吸收的光線輻射出來,結果光線在通過低壓氣體后,原本的光譜上會出現很多稱為
  13. From these studies, apply the rate which stand drill to meet and densitometric method of sand as synthetical evaluating indicator, make describing and quantitative assessment of connectivity and the form characteristic for the sands in every layer

    在此基礎上,應用砂體鉆遇率和砂巖法相結合的綜合評價指標,對各層位砂體的連通性和產狀徵進行了描述和量評價。
  14. Primary culture of rat preadipocyte were prepared from the epididymal, inguinal and perirenal the fat pads of male normal, healthy, 15 - 20 days sprague - dawley rats. the preadipocyte grew better under the condition of 37, 95 % humidity, 5 % co2, ph 7. 0 - 7. 2, centrifuged at 1000r / min, m199medium, and 10 % fetal bo vine serum, seeded at a density of 4 l04, 5 l04, / cm2. oil red o staining was the special method to distinguish adipocyte from other cells, gimsa and he could determine the stage of the adiopcyte differentiation through the number of lipid drop, size and the position of the nucleolus of the staining fat cell

    經過多次實驗,確本實驗室大鼠前體脂肪細胞的最佳培養條件是:溫為37 ,濕為95 , co _ 2濃為5 , ph值為7 . 0 7 . 2 ,離心力為1000r / min ,培養基為m _ ( 199 )培養基,胎牛血清濃為10 ,合適細胞接種為4 10 ~ 4 、 5 10 ~ 4個/ cm ~ 2 ,染色結果表明:油紅o染色是鑒脂肪細胞的異方法, gimsa和he染色可根據不同區域染色程、著色差別判斷細胞核的位置及脂滴大小、多少,觀察大鼠前體脂肪細胞分化過程中的形態變化,進而確脂肪細胞的分化階段。
  15. A systematic summary of previous work has been given first. then this paper presents a novel multi - stage face detection algorithm, which makes a good use of human face pattern ' s valuable information in colour image sequences. the difficult detection task has been divided into four steps : the preprocessing, which is to gain skin colored regions with human skin color model ; the roughly detection and face region refining by elliptic curve fitting ; the fine detection with facial features " detection and location ; the face / non - face classification step based on pca and gaussian density estimation technique

    本文對彩色序列圖像中的人臉檢測和跟蹤技術進行了深入的研究,其具體內容為:對近年來的研究工作進行了系統的介紹;提出了一個由粗到細的多階段的人臉檢測演算法,該演算法充分利用了序列圖像中人臉模式的各種有用信息,將復雜的檢測工作分為了四個部分:膚色區域分割預處理,人臉粗檢及利用橢圓擬和的人臉區域提煉,應用人臉基本徵檢測和位的人臉細檢, pca結合高斯概率估計的人臉驗證。
  16. Applying the basic theories of spatial data mining and geomorphology, taking the loess plateau of north shaanxi province, china as the research area, this dissertation explored the theories and systematic structures of geomorphologic data mining and acknowledge discovery from dems, ascertained the systematic structures of topographic factors and synthetic topographic acknowledge, as well as systemically summarized mining algorithms from dems. the author pa id more attention also to analyze the principle and algorithm of flow length, curvature, relief, the earth ' s surface incision and gully density. in this research, the elementary constitutes and mining algorithms of regional character acknowledge in the loess plateau were probed

    本研究在廣泛總結前人研究成果與研究經驗的基礎上,利用空間數據挖掘和地形地貌學的基本理論,以陜北黃土高原多地貌類型區為實驗樣區,以1 10000比例尺dem為樣本數據,探討了dem中地形地貌數據挖掘與知識發現的理論方法和體系結構;確了宏觀和微觀地形因子、地形綜合徵知識的體系結構;系統總結了dem基本地形因子的提取演算法,並重點對坡長、曲率、地形的起伏、切割深和溝壑因子提取的原理與演算法作了深入的分析;提出了黃土高原地區區域徵知識的基本構成及其系統完整、科學可行的挖掘提取演算法;擴充了arcviewgis軟體平臺中dem空間分析的基本功能;實現了以delphi7 . 0為平臺的地形信息輔助挖掘系統的設計與開發;完成了對黃土高原多地貌類型區(樣區)地形信息空間分異徵的分析。
  17. This kind of high silica wrought aluminum alloy is provided with low density and well heat - stability, especially with the metallurgical structur ? similar with bearing alloy ? which is composed of dispersion distribution common silicon crystal hard mass point and the alloyed basal body is very fit for the components manufacture ? can bear small capacity moving load and friction load

    這種高硅變形鋁合金具有小和200以下良好的熱穩性,別是它的由彌散分佈的共晶硅硬質點及合金化的相基體組成的類似軸承合金的金相組織、別適合用於製做承受小能量動載荷和摩擦載荷的零件。
  18. The second part consist of chapter four. in chapter one, we study the energy density of harmonic map from finsler manifold and generalize classical result in [ se ]. in chapter two, we obtain lower estimates for the first eigenvalue of the laplace operator on a compact finsler manifold, and it generalize lichnerowicz - obata theorem [ li ] [ ob ]. in chapter three, we derive the first and second variation formula for harmonic maps between finsler manifolds. as an application, some nonexistence theorems of nonconstant stable harmonic maps from a finsler manifold to a riemannian manifold are given

    第一章討論finsler流形到黎曼流形調和映射的能量的間隙性,推廣了[ se ]中的結果。第二章對緊致finsler流形上laplace運算元的第一徵值的下界作了估計,推廣了黎曼流形上的lichnerowicz - obata理[ li ] [ ob ] 。
  19. Our products, unique in design, high in precision, sharp in imaging, stable in quality, complete in accessory, are widely suitable to be used for forensic science ( by comparison with the truck of bullet, shell case and tool trace and prints, etc. ) also for these department such as finance, tax, industry, agriculture, school, hospital and biology, etc

    產品設計獨,精高,成像清晰,質量穩,品種繁多,附件齊全.廣泛應用於公,檢,法部門對于指紋,槍彈,痕跡,貨幣,文字,物證等比對鑒別.也適用於金融,稅務,工業,農業,學校,醫院,礦業,生物等部門
  20. Firstly, the imaging principle of swept - volume technique is analysed. voxel attributes, voxel density and the way to keep the invariableness of voxel density are studied, and the method of parallel data transmission link is discussed

    首先,分析體掃描技術的成像原理,研究體素的性,變化,如何保持體素的恆,提出了并行數據傳輸連接的方法。
分享友人