質光關系 的英文怎麼說
中文拼音 [zhíguāngguānxì]
質光關系
英文
mass-luminosity relation-
Distribution of photoassimilate to different parts of wheat ear after anthesis and its relation to kernel weight per ear
小麥開花后光合物質在不同穗位間的分配及其與穗粒重的關系And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed
研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。The relationships between the number of diffraction order and grating pitch, refractive index of medium, light wavelength, incidence angle and azimuth angle are investigated
討論了入射角、入射方位角、入射光波長、光柵柵距、介質折射率與矩形光柵衍射級次數目間的關系。Quantitative relationships between photocatalytic degradation and structure of azo dyes
水溶性偶氮染料光催化降解性質的定量構效關系Two months later in april 1997, oxford chemicals purchased its main manufacturing facility in bayswater and incorporated both an extensive laboratory and quality control facility with high - tech infra - red chemical analysis equipment as well as a small dyehouse with a spectrophotometer colour matching facility
兩個月以後即1997年四月,牛津化工又在貝瓦特地區買下主要生產設備,其中包括紅外線化學分析儀器設備和分光關度計這些顏色匹配設備,使一個完善的化工實驗室和質量控制系統有機的結合起來。Combined the above results, there existed significant correlation among chlorophyll a fluorescence parameters ( fv / fo, fv / fm, yield, qp, qn and mda contents, plasma membrane permeability in euonymus japonicus " zhuzi " seedlings
葉綠素熒光a參數與mda含量及質膜相對透性的的相關性分析表明,低溫脅迫下, ps原初光能轉化受抑製程度與膜脂過氧化存在一定的關系。Using the young seedlings of wild type ( wt ) and four mutants ( phya, phyb, phyaphyb and hy4 ) of arabidopsis thaliana as plant materials, the effects of light quality and kinetin ( kt ) on some photomorphogenesis responses such as cotyledon enlargement, hypocotyl growth inhibition, accumulation of chlorophyll and anthocyanin were investigated in the present study. photoreceptor functions and interaction of light and kt in the responses was examined and discussed
本文以擬南芥( arabidopsisthaliana )野生型( wt )和四種光突變體phya 、 phyb 、 phyaphyb和砂hy4為材料研究不同光質與細胞分裂素( kt )對幼苗子葉擴大、下胚軸伸長、葉綠素和花色素苷積累的影響,分析光受體參與的反應以及探討光與kt在調節各種反應中的相互關系。The imported transparent glaze fired at lower temperature was analysed semi - quantitatively by adopting emission spectroscope. the stripping of lead and cadmium from this transparent glaze fired at lower temperature in ceramic product was determined by atomic absorption spectroscope. the effect of chemical composition on the stripping of lead and cadmium was analysed. upon the author s opinion, the overproof lead stripping from the imported transparent glaze fired at lower temperature can only be settled by adopting lead - free glaze instead of adopting low - lead prescription. the author succeeded in developing an excellent lead - free transparent glaze fired at the lower temperature of 1000 1050. the success is based on an inquiry into the feasibility of using such new agents of fusion as li2o and sro in replacement of pbo ; and on a study of the effects of the contents of sio2 , al2o3 , b2o3and other metallic oxides on such performances of glaze as coefficient of linear expansion, fusion temperature and transparency. it is also based on an analysis of coefficient of linear expansion of blank and glaze on an analysis of coefficient of linear expansion of blank and glaze on their correlation ; and on a study of technology for preparing glaze
採用發射光譜儀對進口低溫透明釉進行半定量分析,並用原子吸收光譜儀測定其陶瓷製品的鉛、鎘的溶出量,分析化學成分對鉛、鎘溶出量的影響.結果表明,進口低溫透明釉採用低鉛配方不能解決鉛溶出量的超標問題,只有採用無鉛釉才能解決.探討用氧化鋰和氧化鍶等新型熔劑完全代替氧化鉛的工藝,研究釉料中氧化硅、氧化鋁、氧化硼和各種金屬氧化物的含量,對釉的線膨脹系數、熔融溫度和透明度等性能的影響.分析坯料、釉料的線膨脹系數及其相互關系和釉料制備的工藝,研製出優質的1000 1050低溫無鉛透明釉It is found that the relationship between the nonlinear optical properties and the polarities of the solvents is non - monotonic, which is quite different from the previous conclusions
研究發現pna分子的非線性光學性質與溶劑極性之間的關系並不是單調的。這一結論不同於以往的理論研究結果。The optical rotation in er fluids is studied thoericaly. considering the different attenuation in different direction and the theory of light transmission, i derive the expression of rotation angle as function of the angle 6 ( between the electric vector of linearly polarized light and electric field ) and other parameters on the condition of several appropriates and assumptions
考慮電場作用下電流變液中不同振動方向的線偏振光衰減不同,根據光波在介質中的傳播理論,推導出光通過電流變液的旋光角與(入射線偏振光振動方向與外加電場方向的夾角)及其它參數的關系表達式。Through field investigation, microscopic study, x - ray phase analysis and mineral infrared spectrum analysis, the authors determine the laumontitization had occurred widely in the axi gold field. according to the development of laumontitization and its relationship to mineralization, authors reveal that the laumontitization appeared mainly at the top and periphery to ore - bodies. it befallen at the edge of the geothermal fluid system or happened in the late stage of geothermal fluid system evolution, hence can be assigned as an indicator to prospect for epithermal gold deposit. the fluid causing laumontitization in the axi gold deposit is similar to those causing hot spring type gold deposit or in modern geothermal field. the fluidization of the axi gold deposit happened in carboniferous, showing the west tianshan is a good district for epithermal gold mineralization and preservation. so west tianshan is prospecting for exploring epithermal gold deposit
通過野外考察顯微鏡下薄片鑒定x射線物相分析和礦物紅外光譜等研究,確定了阿希金礦濁沸石化的普遍存在根據濁沸石化發生的規律及其與礦床形成的關系,確定濁沸石化主要見于礦體的上部和外圍,發育在地熱流體系統的邊緣和演化晚期,可作為尋找淺成低溫熱液型金礦的標志之一。導致阿希金礦濁沸石化的流體性質與熱泉型金礦成礦流體和現代地熱田類似,流體作用發生在石炭紀,證明西天山地區具有良好的淺成低溫熱液型金礦的形成和保存環境,因此找礦前景較好。The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade
葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題,本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型,計算了冷卻空氣通過這幾種通道時的流動與換熱情況,得到了各種不同情況下計算區域的溫度場、壓力場、速度場;在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾數和阻力因子與雷諾數的函數關系;本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設計可以起到指導的作用。Based on the research of intertidal flat topography measure at home and abroad, this article avoids some problems troublesome, such as the dependence of the station of tide gauging, precise match of images and so on. first, we monitor soil water content of intertidal flat through building correlation model between soil water content of intertidal flat and landsat tm data, then we analyse the correlation between soil water content and topography of intertidal flat, last, we extract topography of intertidal flat combining with gis
本文在總結國內外潮灘地形測量研究的基礎上,避開對潮位站的依賴和影像精配準問題,以江蘇大豐港堤附近淤泥質潮灘為研究區域,通過遙感方法建立潮灘土壤水分與tu光譜值的定量數學模型,提取潮灘土壤含水量信息,然後通過潮灘土壤水分與地形的定量關系,結合gis技術反演潮灘地形。To search for high - velocity molecular emission toward massive star formation regions, and to study the connections between h2o masers, iras objects and outflow properties, we carried out a co observation for a h2o maser sample. we found that most of the objects have excess high velocity emission produced by outflows ; we find a significant correlation between co line full widths and iras luminosities. the widths are proportional to the iras luminosities
通過在大質量恆星形成區搜尋高速分子輻射,並且研究它們與星際h _ 2o脈澤源和所聯系的紅外源之間的關系,我們發現絕大多數源都存在著氣體的高速運動並且它們是由分子外流產生的;我們同時發現在co分子的譜線全寬和所對應源的紅外光度之間存在很好的相關性,線寬隨紅外光度增加而變大。The main contents and important results of this paper are as following : strong blue cooperative up - conversion luminescence is observed in various host materials single doped yb3 + ions with naked eyes at room temperature under 980nm excitation. moreover there exist rich emission lines and peculiar ratio of luminescence intensity in all samples. intense green and blue up - converted luminescence is observed in yb3 + - ho3 + co - doped pbf2 - znf2 based materials with 930 nm diode light excitation at room temperature
其主要內容與得到的結論如下: ( 1 ) yb ~ ( 3 + )單摻雜不同基質材料組成的氟氧化物在980nm激光激發下發射出明亮的yb ~ ( 3 + )離子的合作上轉換藍色熒光,同時這些樣品具有極為豐富的熒光發射,有著特別的色比關系。The same relation should hold when the source and receiver are at rest and the medium moves with velocity v.
當光源與接收器靜止而媒質以速度V運動時,同樣的關系式成立。In the second chapter, the nonlinear optical properties are described from both macroscopic and microscopic views, at the same time, giving the definitions of the linear and nonlinear polarizabilities. then, the explicit expressions of the linear and nonlinear polarizabilities are obtained by using quantum mechanical perturbation theory and density matrix formalism, respectively
第二章非線性光學性質,首先分別從宏觀和微觀兩個角度討論了極化強度和電偶極矩與外加光電場強度之間的關系,同時給出了線性極化率和非線性超極化率的定義,然後分別運用含時微擾理論和密度矩陣理論求解了分子體系的線性極化率和非線性超極化率。When recording with a dvd, the relationship between the recording time and picture quality depend on the how the disk capacity is utilized
用dvd錄制時,錄制時間與畫質的關系決定了如何使用光碟容量。Mass - luminosity relation
質光關系It will be helpful for our finding and synthesizing strong tpa materials. this thesis used density functional theory ( dft ) to optimized the organic molecules, then studied their tpa cross sections, solvent effect and structure - to - property by response theory and few states model
本論文採用密度泛函理論對二苯乙烯系列衍生物分子結構進行優化,然後分別採用響應場方法和少態模型方法對分子的雙光子吸收截面、溶劑效應及結構與性質的關系進行了計算與研究。分享友人