段密度 的英文怎麼說
中文拼音 [duànmìdù]
段密度
英文
interval density-
In this paper, based on land use maps of 1976, 1988, 2003, which were interpreted from the landsat mss / tm / etm imageries, and the map of main road, with the buffer analysis tool in arcgis 8, we studied the land use and land cover change on the two sides of the main roads in xishuangbanna, then we studied the impact of population density and the topographic factor on road effects. during the study both the comprehensive land use dynamic degree model and the land use degree comprehensive index model are taken into account, we put forward a compensatory model ? “ amendatory comprehensive land use dynamic degree model ”
由於人類活動干擾強度加大,公路效應深度不斷擴展, 1976年為5km , 1988年為7km , 2003年達到11km ;受自然、社會條件的影響,不同路段的公路效應存在較大差異,甚至同一路段兩側效應也各不相同。 1976年至2003年,距公路不同距離范圍內的人口密度都在增加,且距離公路越近,人口數量密度越大、增長越快,人口分布有向公路兩側聚集的趨勢。選取人口密度為大、中、小三個樣區分別分析公路效應的范圍表明,人口密度We have made benefic trials on the research of optical limiting materials with abroad protective wavelength, high optical density and high transmission
對于多波段,高光密度,高透過率的光限幅材料的研製,本論文做出了有益的嘗試。In the course of studying the fibre parameter in different development period, it was discovered that the rod density increased from the top to the middle of the boule
考察纖維參數在不同生長階段的分佈規律發現,從頂部到中段纖維密度增大,從中部到根部纖維密度基本不變化。The cumulation of tdfcsd in a certain period eliminates the remainder noise more, and the ability of detecting signal ' s frequency is improved
通過對某段時間得到的功率譜密度累積,進一步改善snr ,提高信號頻率的檢測能力。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插入位點有一定的規律性: tn5gusa5在xcc8004基因組上傾向于插入低gc含量( 50左右的區域插入密度最高)區段;插入位點的靶序列有一定的特異性,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的插入密度與該區段基因的轉錄水平無明顯關系。It is not the end, for the next phase of ascension towards the fourth dimension will begin
但它不是終點,因為提升到第四密度的下一階段即將開始。Convection above a hot surface occurs because hot air expands, becomes less dense, and rises ( see ideal gas law )
對流段的一個熱門表面出現的,因為熱空氣的擴大,成為密度較低,而上升(見理想氣體定律) 。Studies by hargrave and geen estimated natural community graz - ing rates by measuring feeding rates of individual zooplankton species in the laboratory and then computing community grazing rates for field conditions using the known population density of grazers
由哈格雷夫( hargrave )和吉恩( geen )所進行的研究,對自然條件下的群落食草比例進行了估計,其手段是通過測量出實驗室內單獨的浮遊動物種類的結食比例,然後利用已知的食草動物種群密度,計算出實地狀況下的群落食草比例。In the aspect of output characteristics, after applying the boundary conditions and the continue condition of two segments, the correlative dependence of average photon density in each segment has been obtained. combining this dependence with the threshold conditions, the theory foundation is settled
在兩段式dfb激光器的輸出特性研究方面,利用邊界條件以及兩段之間的連續條件,導出了兩段平均光子數密度之間的依賴關系;這和兩段式dfb激光器的閾值條件表達式相結合,構造了本文研究激光器輸出特性的理論框架。The critical concentration and critical particle surface area in constant rate section is studied. the floc density pa and the floc equivalent diameter da are calculated on the basis of experimental data and theoretic analysis
研究了等速段的臨界濃度、臨界顆粒表面積;分析計算了絮團密度_ 、泥沙絮團當量直徑d _ 。Only in recent years, some section has used plc, but the computer control level drops behind. according to the actual problem of production, this paper intent to build a real - time monitored control system for defibrator in mdf based on the advanced control system, which, finally, becomes a sub - system of the whole production
針對這些情況,本課題旨在利用先進的控制系統的基礎上,建立一個mdf熱磨工段的實時監控系統,使之最終成為中密度纖維板整條生產線全面綜合自動化系統的一個子系統,為構建中密度纖維板管控一體化的目標打下基礎。The results of large - scaled culture show that 48g clone crushed by tissue disintegrator in the course of initial period and its inoculating density is 0. 35g / l, a month later, the clone departed directly and its density is 1. 5g / l, the highest density of each jar could be obtained 410g, the growth speed mostly doubled per week
大規模培養結果表明在20l廣口瓶中(有效水體15l ) , 48g克隆在起始培養時經組織搗碎機粉碎切割,切割時間10s (細胞段長度約200um ) ,並按0 . 35g l接種,一個月後不粉碎直接分瓶,分瓶密度1 . 5g l ,一個月後最大密度410g瓶,生長速度約每周翻一番。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,確定本實驗室大鼠前體脂肪細胞的最佳培養條件是:溫度為37 ,濕度為95 , co _ 2濃度為5 , ph值為7 . 0 7 . 2 ,離心力為1000r / min ,培養基為m _ ( 199 )培養基,胎牛血清濃度為10 ,合適細胞接種密度為4 10 ~ 4 、 5 10 ~ 4個/ cm ~ 2 ,染色結果表明:油紅o染色是鑒定脂肪細胞的特異方法, gimsa和he染色可根據不同區域染色程度、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,進而確定脂肪細胞的分化階段。The correlated degree of the density of deformed and failured masses and correlative dynamic force factors in tiger - leaping gorge reach are analyzed by effect measure analysis method which combines qualitative and quantitative analysis, and the key dynamic factors of bank - slope stability are established, which can provided the scientific information for origin division, evaluation, prevention of geological hazards and project planning
本文採用定性與定量相結合的效果測度分析方法,對虎跳峽河段岸坡變形破壞密度與相關動力因子進行關聯度量化分析,從而確定了影響岸坡穩定的關鍵性動力因子,可為水電開發中的岸坡災害成因類型劃分、危險性評價、災害治理和工程規劃設計等提供科學依據。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,應用人臉基本特徵檢測和定位的人臉細檢, pca結合高斯概率密度估計的人臉驗證。The studies of in - layer heterogeneity are as follows : the text depicts the characteristics of heterogeneity by calculating the coefficient of variability, kmax / k and k. max / k. min of sand layers of different sedimentous microfacies ; divides interlayer into two types, and counts their numbers, thickness, frequency and density of a single sand layer according to the characteristics of lithology and logging, finally summarizes the characteristics of interlayer distributing ; sets up five in - layer heterogeneity models and points out that the primary models are model a and c. the studies of between - layer heterogeneity are as follows : the text depicts sand layers " growth and distributing conditions by calculating the lamination factor, sandstone density and overlap coefficient ; makes certain the lithology and thickness of interlayer by the method of contrasting the typical curves
層內非均質性研究,通過計算不同沉積微相砂體滲透率的變異系數、突進系數以及級差來說明主要儲集微相的非均質特徵;據巖性及電性特徵,將層內夾層分為兩類,統計單砂層段內夾層的個數、累積夾層厚度、夾層頻率及夾層密度,並且根據夾層頻率及密度平面分布圖統計出每層的頻率相對高值區和低值區,總結夾層分佈特徵;根據物性參數隨深度的變化趨勢建立了五種儲層層內物性非均質模式,指出研究區內以a型和c型模式為主。Based on the count of failure in the samplers, this paper analyzes the weak link of the quality of domestic automobile products. with the help of mathematical statistics and automobile reliability theory, we get the failure law of bus, truck and car of the domestic automobile industry and their failure distribution function, reliability function, probability density function, and failure rate function. accordingly, the present situation of reliability in domestic automobile products is expounded
本文通過對樣車的故障進行統計,分析了我國汽車產品質量的薄弱環節,並藉助數理統計手段和汽車可靠性理論,得出了國產客車、載貨汽車以及轎車的故障規律和相應的故障分佈函數、可靠度函數、故障密度函數及故障率函數,論述了國產汽車產品的可靠性現狀。After spraying the herbicide, the results with time show that no obvious quantitative difference occurred in benthic species composition, biomass, inhabit density and the coherent variation trend between experimental zone and controlled zone
藥物噴灑后不同時段調查結果表明:試驗區與對照區的底棲生物種類組成、生物量、棲息密度同步對比數量相差不明顯,其隨時間變化的趨勢亦呈現總體一致。The distance of the single - row curtain grout hole is between 1. 4 to 1. 8 meter, and 2. 0 meter is suitable for the double - row curtain ; the grouting pressure generally is 1. 0 to 1. 5 mpa at the first three grout compartment, then grouting pressure of under the fourth control in 4 to 5 mpa ; for mast grout compartments, a water - cement ratio of 2 or 1 may used in the first grouting
鉆孔密度也由原來的0 . slm / mz降至o . 64n擴mz ,節約工程投資447 . 35萬元。 6 、單排帷幕的孔距在1 . 4一1 . 8m之間,雙排帷幕的孔距以zm為宜;灌漿壓力在地表以下前三段一般為1一1 . smpa ,第四段以下按4一smpa控制;對大部分孔段而言,開灌水灰比可定為2或1 。Stitch length controlled by marching motor, 24 lenth selectable, adjustable scope supported by subdebision techinilogy : 0 - 650. the lenth of the knitware can be accuratedly conrolle
線圈密度步進馬達控制, 24段密度選擇,採用細分技術可調范圍; 0 - 650度,更能準確地控制衣片長短。分享友人