源分佈強度 的英文怎麼說
中文拼音 [yuánfēnbùqiángdù]
源分佈強度
英文
intensity of source distribution-
These leds light sources are not only adjustment and uniformity but also smaller, less expensive, required less power, generated less heat. especially, the pattern of the construct both aggregate and desegregate in design was to realize different light intensity illumination on same biology sample at the same time. the selectivity, work efficiency and experiment veracity have been improve greatly
該系列光源除了具備光強可調、分佈均勻優勢外，還具有波長、波峰寬適宜，以及小巧、價廉、能耗低、發熱少等特點，尤其是該生物光源在設計時採用的單元組裝模式，使得不同強度的光照能夠在同一批生物樣品上實現，大大拓寬了生物實驗的可選擇性，提高了工作效率和實驗準確性。At last, the conclusions of the whole thesis are drawn, and it is put forward that the future research emphases on the infrared radiation absorption ct technology should focus on : instantly get the absorption projections are the crucial factor to utilize the technology industrially ; on the basis of the hypothesis that the gas is ideal gas, species concentration of particular gas medium can be measured at the same time, which must be helpful to comprehend combustion essence ; if laser source to replaces blackbody stove, for irradiant flame, interferometric projection can be attained, and its temperature distribution will known
最後，對全文進行了總結，並指出今後研究工作重點。指出：瞬時得到各方向的投影是此技術實用化關鍵；在獲得溫度分佈信息基礎上，進行必要的假設和推導，能同時得到火焰中某特定組分濃度的分佈，這必將進一步我們對燃燒本質的理解；利用方向性好，輻射強度高的激光源代替常規的黑體爐，能得到輻射干涉投影圖像，這樣就能測量所介紹系統不能測量的發光火焰溫度分佈。Most of the pandas are distributed between 2 600 - 2 800 m ; 2 ) the pandas more often exploit the conifer - and - broadleaf - mixed forests and prefer to feed fargesia denudafa and more of their activities happen in forests where arrow bamboo grows better ; 3 ) the pandas avoid habitats where human disturbance is intensive ( x2 = 22. 000, df - 3, p = 0. 000 ) ; logging and livestock grazing significantly influence feeding habitats of pandas, while herb collecting and poaching has not. the giant pandas prefer the habitats where no human disturbance occurs. in conclusion, human activitires have intensively influenced feeding and other activities of the giant panda and its habitats
垂直主要分佈在海拔2600 - 2800m范四川大學碩士學位論文圍內; 2 ）主要利用植被類型中的針闊混交林，選擇有缺苞箭竹、而且缺苞箭竹生長良好的生境，對位置和森林起源這兩個生境因素的不同水平，都是隨機利用，沒有表現出明顯的偏好; 3 ）大熊貓明顯迴避那些人類干擾強度大的生境（ xz二22 . 000 ， df = 3 ， p = 0 . 000 ） ;伐木和放牧對大熊貓食竹的生長狀態有明顯影響，對發生采藥和偷獵的生境沒有明顯迴避;對於人類干擾強度大的生境，大熊貓利用頻度很低，干擾弱或中等時，表現出隨機利用;對于沒有干擾的生境，是高頻利用。Then, the paper points out the main problem of the crisis are shortage of personal information share and distemperedness of punishment system to breach of faith. thirdly, according to the survey of bank ' s employees and other ordinary " people, the paper discusses the structure and intensity of banks " information requirements. in succession, the paper discovers the different kinds of the sources of personal information, especially the attitudes of banks to providing the personal information that is saved in their own databases
然後，結合統計軟體spss10 . 0 ，文章對157個針對銀行職員（分佈在13家銀行）的調查樣本和172個針對普通居民的調查樣本進行了統計分析，得出我國銀行判斷個人信用狀況所需的個人信用信息的結構以及各自的需求強度；分析了各個個人信用信息供給源，特別是銀行提供個人信用信息共享的狀況、動力（或態度）和障礙；與此同時，對我國建立個人信用信息體系過程中，如何理解個人隱私以及如何保護個人隱私的問題，文章也做了詳細地闡述。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The distribution of magnetic induction in rectangular soft - contact mold during electromagnetic continuous casting ( emcc ) was investigated considering the electric frequency
摘要研究了在電磁軟接觸連鑄過程中，電源輸入頻率的變化對矩形電磁軟接觸結晶器內的磁感應強度分佈規律和彎月面變化情況的影響。The characteristics of temperature distribution in vertical and horizontal directions and the conductance distribution in horizontal direction in an earth dam were analyzed, and the locations, distribution characteristics, ranges, and leakage rate of main leakage passages of the dam were calculated by use of the virtual heat - source method presented in this paper, the result of study provides a scientific basis for dam leakage control
分析某貯灰場土壩垂向和水平溫度分佈特徵、電導水平分佈特徵，並利用滲漏探測虛擬熱源法模型，計算出該土壩的集中滲漏通道的空間位置、展布特點、范圍大小和滲漏強度，為堤壩滲漏治理提供科學依據。The analysis of the large - scale synoptic situation shows that strong precipitation is closely related to the explosion of monsoon and the intensification of cross - equatorial flow which bring a lot of vapor and meet with cold masses at the eastern of northwest district on 8th, june causing extremely heavy rainfall ; that subtropical high - level jet at 200hpa, subtropical high at 500hpa and low - level jet at 850hpa are the weather backgrounds favorable to strong precipitation ; that the pattern of eastern highs and western lows and the establishment of a low - level jet and the coupling between upper - and low - level patterns that determine that the rain occurred in the east of the northwest china ( on average, this is the rainy season for the south of china, but not for the northwest china ) ; that water vapor comes from southerly and easterly flow which converge at the eastern of northwest district with convergence mainly in lower levels and pbl ; that the high value of the whole - level apparent heat source < q1 > is near the area of large rainfall in the direction of northeasterly - southwesterly agreeable to shear line very well and the condensation latent heat releasing is main heat source with vertical advection item playing key role in q1 and q2 ; that there is a vertical secondary circulation crossing low - lever jet whose ascending branch is at the area of large rainfall ; that the construction of convection instability and conditional symmetry instability results that there is not only deep thermal instability, but also moisture influx and triggering mechanism of thermal instability causing strong torrential rain
作為對比，本文還對2002年6月24 - 25日發生在北京地區的強地形雨進行了分析，並討論陜南、北京地區兩地暴雨的異同點以及地形作用的共性和個性，為兩地暴雨預報提供有益的參考，得出了一些很有意義的結果： 1大尺度環流背景分析表明： （ 1 ） 「 02 . 6 」強降水與6月上旬越赤道氣流和季風爆發密切相關，攜帶大量水汽的偏南氣流與冷空氣於6月8日交匯在西北地區東部，導致了這次強降水的發生； （ 2 ） 200hpa的副熱帶西風急流、 500hpa副高以及850hpa的低空急流的配置非常有利於本文分析之陜西強降水的發展與維持。大尺度形勢分析表明，東高西低形勢場、低空急流的建立和高低空形勢的配置決定了這場降雨出現在西北地區東部。與暴雨區相聯系，存在一支橫越低空急流的經向垂直環流，暴雨區處于該垂直環流的上升支； （ 3 ）偏南和偏東氣流水汽通道在西北地區東部交匯，水汽的輻合積聚主要在對流層低層和行星邊界層內完成； （ 4 ）整層的視熱源< q _ 1 >高值區在暴雨區附近呈東北-西南向分佈，與切變線走向非常一致，降水產生的凝結潛熱釋放是強降水區大氣的主要熱源。The control of the deep - seated structural - magmatic process over the metallogenic system around the middle - lower yangtze river reaches is shown as : ( 1 ) the mantle uplift belt is closely related to the general geological background of the metallogenic system ; ( 2 ) the primitive magma originated from different parts of the mantle uplift belt ( mantle ridge or mantle slope ) shows differences in style of formation and composition and results in different magmatic series and metallogenic subzones, respectively ; ( 3 ) the varying depths of structural - magmatic chambers may form a " three - layered structure " ( central type, network - like and ring - like ) and this is the primary factor that controls the different magmatic series and the concerned cluster of ore deposits ; ( 4 ) the alkaline basaltic magma derived from the mantle ridge forms high - potassium and calcium alkaline magma and shoshonitic magma due to its altering intensity of afc process with the lower crustal material, which has something to do with the copper - gold and iron - sulphur metallogenic subsystems, respectively
深部構造巖漿作用對長江中下游成礦帶安徽沿江地區成礦系統的控製表現為： （ 1 ）地幔隆起帶與成礦系統的總體地質背景的演變密切相關； （ 2 ）源於地幔隆起帶不同部位（幔脊與幔坡）的原始巖漿，其生成方式和物質組成不盡相同，它們分別產生相應的不同巖漿巖系列和成礦亞帶； （ 3 ）不同深度的構造巖漿房組成中心式網格式環帶式「三層結構」 ，是控制區內不同巖漿巖系列及有關礦床集中分佈的主要因素； （ 4 ）源於地幔隆起帶脊部的堿性玄武巖漿，由於與下地殼物質發生的afc作用強度不同，形成了高鉀鈣堿性巖漿和橄欖安粗巖漿，分別與銅、金成礦亞系統和鐵、硫成礦亞系統有關。Abstract : biological invasions are a continuous feature of a non - equilibrium world, ever more so as a result of accidental and deliberate introductions by mankind. while many of these introductions are apparently harmless, others have significant consequences for organisms native to the invaded range, and entire communities may be affected. here we provide a survey of common models of range expansion, and outline the consequences these models have for patterns in genetic diversity and population structure. we describe how patterns of genetic diversity at a range of markers can be used to infer invasion routes, and to reveal the roles of selection and drift in shaping population genetic patterns that accompany range expansion. we summarise a growing range of population genetic techniques that allow large changes in population size ( bottlenecks and population expansions ) to be inferred over a range of timescales. finally, we illustrate some of the approaches described using data for a suite of invasions by oak gallwasps ( hymenoptera, cynipidae, cynipini ) in europe. we show that over timescales ranging from 500 10000 years, allele frequency data for polymorphic allozymes reveal ( a ) a consistent loss of genetic diversity along invasion routes, confirming the role of glacial refugia as centres of genetic diversity over these timescales, and ( b ) that populations in the invaded range are more subdivided genetically than those in the native range of each species. this spatial variation in population structure may be the result of variation in the patchiness of resources exploited by gallwasps, particularly host oak plants
文摘:生物入侵是不均衡世界的一個永恆話題，尤其是當人類有意或無意地引入物種后.很多引入顯然是無害的，但另外一些則有著嚴重的後果，會給入侵地的生物以至於整個生物群落造成影響.本文總結了分佈區擴張的常見模式，概述了它們對遺傳多樣性和種群結構式樣所造成的影響.描述了如何根據以一批遺傳標記所得到的遺傳多樣性式樣來推斷入侵途徑，來揭示伴隨擴張選擇和漂變在形成種群遺傳樣式中的作用.本文對日益增多的群體遺傳學方法進行了總結，這些技術可以用來在不同的時間尺度上推斷種群規模所發生的巨大變化（瓶頸效應及種群擴張） .最後，我們以歐洲櫟癭蜂（膜翅目，癭蜂科，癭蜂族）一系列入侵的數據為例對一些方法進行了說明.從500 10000年的時間尺度上，多態的等位酶位點上等位基因頻率的數據表明: 1 ）遺傳多樣性沿入侵路線呈不斷下降的趨勢，支持了冰河期避難所作為遺傳多樣性中心的作用; 2 ）入侵地區的種群與該物種原產地的種群相比，遺傳上的分化更為強烈.這種種群結構在空間上的變異可能是被櫟癭蜂開發的資源尤其是櫟樹寄主在斑塊上出現變異的反映Abstract : the concentration field distributions of the elevated point sources is calculated using a numerical calculation method
文摘:使用數值計算的方法來計算給定源強下的高架排放點源的濃度場分佈情況。Using the inverse model to calculate the distribution of source density, based on gauss smoke plume ' s standard density distribution, environmental capacity of fluoride in the air of northern suburban in xining was found
摘要由高斯煙羽模式推導出的標準濃度分佈推算源強分佈的反演模式方法，計算了西寧市北郊地區環境空氣中氟化物的環境容量。The paper establishes mathematics model of electromagnetic heating system of eddy current field and temperature field, and gives corresponding discrete format with elements as eight nodes, hexahedron equal cell, through calculating eddy - current field to gain the internal heat source that the temperature field needed, to use discrete method to solve the problem of induction - heating part ' s temperature field by axial symmetrical electromagnetic, and then to analyze the characteristic of instantaneous temperature field
本文建立了電磁加熱系統的渦流場和溫度場間接耦合的數學模型，分析了不同頻率下渦流和溫度的分佈情況，並以八節點六面體等參元為例給出了渦流場對應的離散格式，通過計算渦流場獲得溫度場所需要的內熱源強度，加熱部件的溫度場以軸對稱格式進行離散求解，並對瞬態溫度場有限單元法的求解特點進行了分析。The results showed that : the integrated ecological risk was presented symmetrically along brahmaputra, and was mitigated from valley farming area to mountain pastoral area ; the hazards of main risk sources to risk suffer in each sub - region was differently, drought was the common risk source and imperils farming and stock raising severely ; aimed at enhancing the ability of fighting drought, controlling flood and stabilizing sand engineering measures should be taken steps to prevent those hazards ; mountain hazards must be controlled in resident area and along arterial traffic ; manual work should be done to void hail in those area where hails attacked heavily ; there is need to promulgated risk knowledge to herdsmen for strengthening their risk consciousness and improve the ability of preventing risk and self - help after hazards happened in the pasturing area
扎囊縣綜合生態風險沿雅魯藏布江呈現對稱型分佈，並由河谷農業區向高山牧業區逐漸降低；各亞區的主要風險源對風險受體的危害強度差異較大，乾旱是共同的風險源，造成的農牧業生產損失最為嚴重；抗風險措施主要有在河谷地帶採取工程措施以提高抗旱、防洪和固沙能力，在半山臺地加強治理居民點及交通沿線的山地災害，在多雹區進行人工消雹；在高寒牧區向牧民傳播風險知識，以加強其風險意識，提高規避風險和災后自救能力。The analysis result indicates that, kdp crystal mechanics characteristics, such as young ’ s modules, shear modules, rigidity and so on, have intense anisotropy, which is the reason of the scallop distribution of light and shade appearing on
結果表明， kdp晶體材料的力學特性如彈性模量、剪切模量、硬度等具有強烈的各向異性特徵，這種各向異性特徵是單晶脆性材料超精密切削后產生明暗相間扇形分佈的根源，是影響加工表面質量的重要因素。Airborne gravimetry is applied to rapidly get extensively and precisely well - distributed information of the earth gravity field in order to meet the needs of geodesy, geophysics, oceanography, exploration, space - science and the other fields. airborne gravimetry includes scalar airborne gravimetry and vector airborne gravimetry. scalar airborne gravimetry is used to get the value of the gravity acceleration, and vector airborne gravimetry can get not only the value but also the direction of the gravity acceleration
它可以快速獲取精度良好、分佈均勻、大面積的地球重力場信息，而且能夠在一些難以實施地面重力測量的特殊地區如沙漠、冰川、沼澤、原始森林等進行作業，從而能夠滿足大地測量學、地球物理學、海洋學及資源勘探等學科和領域對地球重力場信息的需求，並能為空間科學提供強有力的地球重力場保障。Plasma characteristics of a rf ion source are investigated by emission spectroscopy. the spatiotemporal spectral line intensities of the first three atomic lines in hydrogen bahner series ( = 656. 28, 486. 13, 434. 05nm ) of rf ion source plasma, are measured with calibrated optical multichannel analyzer ( oma ). some plasma parameters, including electron temperature, hydrogen atom density and hydrogen ion density, are calculated and analyzed using partial local thermodynamic equilibrium ( plte ) theory and abel transform
實驗採用絕對定標后的光學多道分析系統（ oma ）測定了離子源等離子體不同時間和空間位置的氫原子巴耳末譜線系中前三條譜線（ = 656 . 28 ， 486 . 13 ， 434 . 05nm ）的強度，並採用plte的理論和abel變換方法，計算出了高頻離子源等離子體的電子溫度、氫原子濃度、氫離子濃度等參數在放電的不同階段和徑向分佈情況，並進行了簡要分析。In winter ( january ), there are four nearly latitudinal moisture transport belts ( channel ) over asian - australian monsoon region. they are closely related with the easterlies and westerlies over southern hemisphere and northern hemisphere. in boreal winter, asian monsoon region is moisture source ; the cross equatorial moisture transport channels transport the moisture to australian monsoon and south indian ocean from asian monsoon region
主要結論如下： （ 1 ）冬季（ 1月）的水汽輸送形勢與南北半球東、西風帶緊密聯系，主要有四條近似緯向分佈的垂直積分的強水汽輸送帶，越赤道輸送將水汽從亞洲季風區輸送到南半球澳大利亞季風區和南印度洋季風區，亞洲季風區為水汽源區。The change of meiyu periods is closely related with the frequently postponed phenomena of their ending dates and the later onsets of high summers in the mid - lower yangtze
此兩時段梅雨由弱轉強和出梅入夏期由偏早轉為延遲呈密切聯系，這在相當程度上反映中國東部夏季氣候水資源分佈的突變。The results are as follows : ( 1 ) the first industry distribution is disperse and same with the agriculture resource ' s spatial distribution, the second industry distribution is centralized and same with the mineral resources, the third industry centralize on the large and middle cities and the tourism resources abundant region ; ( 2 ) the eco - environment effect of the industrial spatial structure is obvious in gansu ; ( 3 ) the eco - environment and the industrial spatial structure affect each other, strengthening the eco - environment regional difference and aggravating the frailty of the eco - environment
得出以下結論： （ 1 ）甘肅省第一產業分佈分散且與農業資源的空間分佈態勢基本一致，第二產業發展空間高度集中且與礦產資源分佈一致，第三產業集中在大中城市和旅遊資源豐富的地區； （ 2 ）甘肅省產業空間結構的生態環境效應具有明顯的空間差異； （ 3 ）甘肅省生態環境地域分異與產業空間結構分異交互脅迫，強化了生態環境的地域分異，加劇了生態環境的脆弱性。分享友人