密斑 的英文怎麼說
中文拼音 [mìbān]
密斑
英文
dense patch-
Based on the diopter status of myopia and hypermetropia, the paper presented the principle of excimer laser refractive surgery, the change of impacting cornea curvature on the cornea diopter. in this chapter, we also discussed excimer laser - corneal tissue interactions and photoablation. determine the relationship between the fluence of arf excimer laser and the cornea ablation rate, attain the relationship between the energy density and the ablation depth
研究了激光與生物組織相互作用、光蝕作用及準分子激光消融角膜的機理；首次定量研究193nm準分子激光高斯光束的切削量與能量密度的關系，計算單個激光脈沖角膜切削量；發現了角膜曲率對切削效果的影響，首次提出了角膜曲率半徑、切削位置與切削深度的關系；首次定量確定了激光光斑參數及其排列方式對術后角膜表面粗糙度的影響，為更精確實現角膜切削和提高切削后角膜表面光潔度、減少手術后角膜渾濁及角膜表面術后不規則提供了理論依據。The optical near - field distribution and propagation properties of solid immersion lens system are analyzed in detail when illuminated by linearly polarized focusing gauss beam. the change of the optical intensity and beam dimension at the bottom of solid immersion lens with different refractive index and different distance are discussed. the simulated results reveal that the higher the refractive index is, the stronger the optical intensity and the smaller the beam dimension at the bottom of the solid immersion lens will be
編制了對固體浸沒透鏡近場超高密度光存儲系統進行模擬的二維時域有限差分程序，實現了對固體浸沒透鏡光存儲系統的數值模擬；著重研究了線偏振的高斯光束通過固體浸沒透鏡的光傳輸和近場光場分佈特性；分析了固體浸沒透鏡底面出射光強、光斑直徑隨固體浸沒透鏡折射率的變化、光透過固體浸沒透鏡后的強度、光斑直徑隨離開固體浸沒透鏡底面距離的變化。The fluids upwelled to seafloor along fault thus ore - forming metals accumulated. 2. this paper indicated the definition the hydrothermal sedimentary rocks. the definition is a group of especial sedimentary rocks forming at the temperature ranging from 70 ? to 350 ? ( or more high ) through sedimentation and synsedimentary metasomatism in the seafloor
區內的熱水沉積巖主要有硅質巖、鈉鉀長石巖、重晶石巖、透閃石巖、碳酸鹽巖、綠泥石巖和鐵白雲石斑點千枚巖，它們往往與熱水沉積礦體緊密伴生。Introduce according to the relevant data, persian cat is in around 16 centurieses, from the himalayas cat and angola cat miscellaneous hand over, lift through several years to breed but grow purely. persian cat ' s figure is bigger, wering grown by the hair and thick and airtight, head circle big, the face is flat even, sum breadth the ear is small, circle the eye snub - nosed tone short breadth, the body feels round and smooth because the hair grows, the arms and legs is thick short soft, the tail is fluffy and bulky, giving person a kind of noblest felling. persian cat ' s pressing is canned is divided into a white, black, red by the hair color ' s dissimilarity, yellow, dark gray, blue, double color, tortoise shell color, miscellaneous color, tiger spot color etc. species. take species of the red as among them valuable
根據有關資料介紹，波斯貓是在16世紀左右，由喜馬拉雅貓和安哥拉貓雜交，經過多年的提純繁殖而培育出來的.波斯貓體形較大，被毛長而且厚密，頭圓大，臉扁平，額寬耳小，圓眼塌鼻口吻短寬，軀體因毛長而感覺渾圓，四肢粗短柔軟，尾蓬鬆粗大，給人一種雍容華貴的感覺.波斯貓按被毛顏色不同可分為白色，黑色，紅色，黃色，暗灰色，藍色，雙色，玳瑁色，雜色，虎斑色等品種.其中以紅色的品種尤為名貴.波斯貓外表美麗大方，叫聲細小甜美，性格溫和，膽大好奇，喜歡與人親近，善解人意，容易調教，是一種深受人們喜愛的高貴寵物.有關波斯貓的起源眾說紛紜，現較統一的說法是在阿富汗土著長毛貓的基礎上，同土耳其或亞美尼亞地區的安哥拉貓雜交培育而成。Pyrite is more abundant and cobaltiferous and occurs in heavy patches in the sulfide mass.
黃鐵礦很多，並且含鈷，在硫化物塊體中成稠密的斑塊。The shape index tends to increase with growth of the patch area. the shape indices of the forest and the farm landscape between 1. 10 and 1. 30 and the shapes of them are close to rotundity. however, the shape indices of the herbage and the shrub landscape of temperate zone between 1. 30 and 3. 00 and the shapes of them are long and narrow
五臺山地區的斑塊形狀指數隨著斑塊面積的增加有逐漸增大的趨勢，該地區各類景觀要素中，各類森林景觀和農田景觀的斑塊形狀指數大多在1 . 10 1 . 30 ，其斑塊的形狀較接近於?形（即緊密型形狀） ；而溫帶灌叢景觀、溫帶草原及灌草叢景觀和山地草甸景觀的斑塊形狀指數大多在1 . 30 3 . 00 ，這幾類景觀要素的斑塊由於面積較大，大多以狹長為主（即鬆散型形狀） 。His face was of a good open expression, but sunburnt very dark, and heavily freckled and pitted with the smallpox.
他的臉曬得很黑，密密麻麻地布滿了雀斑和小麻點，露出一副優美坦白的表情。Meanwhile, the study also shows that the diversity of studied cave animals is inversely proportional to human population density and water quality ; and bio - diversity, to some extent, is proportional to soil fertility and amount of chemical fertilizer, but inversely when excessive ; the correlativity between bio - diversity and vegetation cover rate is not obvious, when ground vegetation is strongly interfered by human being ; the amount of diestrammena marmorata is proportional to the d iversity of plant, and inversely proportional to soil fertility, and in a way, to water quality ; and the correlativity between community and water quality and soil fertility, and between water quality and the amount of mosquito and fly, is not as good as expected. the author points out that diestrammena marmorata, bat, mosquito, fly, oreolalaxrhohostig metus ( or cudata ), and fish can be chosen as in
同時，研究還表明：調查洞穴的物種多樣性與人口密度、水質成負相關；在一定范圍內，物種多樣性與化肥施用量、土壤肥力成正相關，超過一定的值則成負相關;在人類對地表植被的高強度作用下，物種多樣性與植被覆蓋率的相關性不明顯;蚊蠅數量與土壤肥力基本上呈正相關;斑灶馬數量與植物種數呈正相關，斑灶馬數量與在一定水質范圍內與水質呈負相關，與土壤肥力呈負相關;群落數與水質和土壤肥力、蚊蠅數量與水質都不能表現較好的相關性;研究認為，可以選擇斑灶馬、蝙蝠、蚊蠅、紅點囊蟾（或有尾類） 、魚類等作為指示動物對洞穴環境進行監測。Renin secretion is controlled by at least four mechanisms that are not mutually exclusive : a renal vascular receptor responds to changes in tension in the afferent arteriolar wall ; a macula densa receptor detects changes in the delivery rate or concentration of nacl in the distal tubule ; circulating angiotensin has a negative feedback effect on renin secretion ; and the sympathetic nervous system stimulates renin secretion via the renal nerve mediated by receptors
腎素的分泌至少受四種互不排斥的機制控制：腎血管受體對向心小動脈壁張力變化的反應；緻密斑受體發現遠端腎小管內氯化鈉傳遞速率或濃度的變化；循環的血管緊張素對腎素的分泌的負反饋效應；和交感神經系統經由受體介導的腎神經刺激分泌腎素。Unlike most safari - goers who only get to look at the animals, earthwatch gives travelers the chance to get up close and personal as they catch and tag wild zebras for research
不同於多數只能觀賞動物的狩獵旅遊者， 「地球觀察團」在遊客為了研究而抓住野生斑馬並給它們上卷標時，給予他們一個接近這些動物的親密機會。Taking the land consolidation project of yizheng city in jiangsu province as an example, patch extension index, fractal dimension, diversity index, evenness index, dominance index, fragmentation index, corridor density, etc wee selected to analyze the characteristics of the landscape pattern before and after the land consolidation with the landscape ecology theory
摘要運用景觀生態學理論方法，以江蘇省儀征市某土地整理項目為例，選取斑塊伸長指數、分維數、多樣性指數、均勻度指數、優勢度指數、破碎度指數、廊道密度等景觀指標，對項目區整理前後景觀格局特徵進行分析。A cyclic radial shearing interferometer was used to diagnose the wavefront distortion of a laser system and an lcslm ( liquid crysnd spatial ligh modulator ) was used to control it. some results have been summarized as follows : l. according to the theory of scalar quanity diffeaction and the model of the random gaussian phase screen of low frequency wavefront, the effect of the low frequency wavefront with different rms gradient on the focal spot of a laser beam was studied
本論文在激光光束波前畸變檢測和控制上進行了新的探索，主要就空間相位調制環路徑向剪切干涉儀以及它對波前畸變的檢測和液晶空間光調制器及其對中頻段波前畸變的控制進行了研究，其研究的內容和取得的成果如下：一、根據標量衍射理論，結合低頻波前畸變的高斯隨機位相分佈模型，研究了不同均方根梯度低頻畸變波前對激光光束焦斑聚焦性的影響，並採用描述中頻段波前畸變的功率譜密度概念，模擬計算了它對激光焦斑旁瓣的貢獻。A monte carlo algorithm was presented to model the relation between the scattering phenomenon, depolarization changes and sea water depth, it is discovered that the radius of scattering point and the degree of depolarization increase with increasing of the sea water depth. at last, a optical engineering software ( lighttools ) is introduced to simulate optical scattering in the deep sea water, and studys the corelation between scattering and relative refractive index, particle density and particle size in the sea water. the experiment results show that the intensity of scattering will increase evidently with the increasing of particle size, particle density and relative refractive index. the methods and results in the article provide the basic theory and experiment validation for improving performance of communication, detection and imaging under sea water
本文以球形粒子的mie散射理論、 stokes矢量法以及mueller矩陣來研究海水的散射特性和散射中的退偏振度變化;通過montecarlo方法模擬藍綠激光在海水傳輸過程中的散射現象以及散射中的退偏度變化與海水深度的關系，發現隨著海水深度的增加，散射后的光斑半徑、退偏振度將逐漸增大。最後通過光學工程軟體（ lighttools ）對海水中的散射進行模擬實驗，研究散射與海水中粒子密度、粒子大小和相對折射率的關系。實驗結果表明，隨著粒子半徑、粒子密度和相對折射率的增加，散射的強度將顯著增加。Anthropogenic activities ( e. g. development, over - grazing, timber harvest ) can disrupt the structural integrity of oasis - desert landscapes and is expected to impede diversity communities across the landscape and make it fragmented. with human dimension and activities enhancing, the patchiness grain, edge density and landscape contrast become large, landscape diversity and patch fractal dimension decreased
隨著人類活動的增強，斑塊粒度、邊緣密度、分散度、對比度變大，而景觀多樣性下降，斑塊分維數變小，人類生產經營活動導致了綠洲-荒漠景觀破碎化，綠洲和荒漠生態系統界面上的突變性、對比度和異質性增強。It is obvious that in jialing river basin, many landscape components with good patch cohesion are distributed, forming a pattern of landscape fragmentation
「溫帶落葉闊葉林」的斑塊間隔小，分佈緊密，相似性程度高，聚合性強，但自然連接性較低。The outskirt of the garden in which tess found herself had been left uncultivated for some years, and was now damp and rank with juicy grass which sent up mists of pollen at a touch ; and with tall blooming weeds emitting offensive smells - weeds whose red and yellow and purple hues formed a polychrome as dazzling as that of cultivated flowers. she went stealthily as a cat through this profusion of growth, gathering cuckoo - spittle on her skirts, cracking snails that were underfoot, staining her hands with thistlemilk and slug - slime, and rubbing off upon her naked arms sticky blights which, though snow - white on the apple - tree trunks, made madder stains on her skin ; thus she drew quite near to clare, still unobserved of him
她像一隻貓悄悄地走著，穿過這片茂密的雜草，裙子上沾上了杜鵑蟲的粘液，腳下踩碎了蝸牛殼，兩只手上也沾上了薊草的漿汁和蛞蝓的粘液，被她擦下來的樹霉一樣的東西，也沾到了她裸露的手臂上，這種樹霉長在蘋果樹幹上像雪一樣白，但是沾到她的皮膚上就變成了像茜草染成的斑塊她就這樣走到離克萊爾很近的地方，不過克萊爾卻看不見她。Solar activity, especially, coronal mass ejection ( cme ) during a large solar activity affected the space environment of human being and could be one of main reasons of the space disaster
太陽活動密切地影響著日地空間環境和地球高空大氣結構，太陽耀斑爆發產生的日冕物質拋射（ cme ）是空間災害的主要原因之一。The bianconeri, who moved seven points clear at the top of serie b after their 2 - 0 victory over napoli, are also reportedly monitoring racing santander ace nikola zigic
斑馬軍團2 ： 0擊敗那不勒斯后目前已經在乙級聯賽一騎絕塵，而據傳聞球隊正在密切留意桑坦德競技隊的前鋒日基奇。Using the multi - cloud model to fit the ha - spectra data of the april 27, 1981 post flare loop, we obtained the spacial distributions of the four physical parameters in the space of the post flare loop : the line - of - sight velocity v the excitation temperature tex, the micro - turbulence velocity vt and the column number density of the hydrogen atoms at the second level along the line - of - sight direction fields n2
我們利用多雲模型處理了1981年4月27日太陽西邊緣耀斑后環的三個時段的h光譜掃描資料。通過對1000餘條對稱譜線和不對稱譜線的計算，我們得到了該耀斑后環各個時段在空間上的視向速度場，激發溫度場，視向上處于第二能態的氫原子柱密度場以及湍流速度場。Study on petrology, geochemistry and isotope chronology shows that the metallogenesis is closely related to granite - porphyry, which belongs to the early ordovician adakite formed in volcanic arc
花崗斑巖與成礦作用關系密切，從巖石學、巖石化學、年齡學等方面對花崗斑巖進行了研究，認為花崗斑巖屬于志留世早期形成於火山弧環境的埃達克巖。分享友人