明度光譜 的英文怎麼說
中文拼音 [míngdùguāngpǔ]
明度光譜
英文
photopic spectrum-
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。Multispectral data for bathymetry is often performed in relatively clear shallow waters, up to now, no one use multispectral data for bathymetry in estuary waters of yellow river, where the highest sediment concentration in the world has been observed. in another part of this thesis, multispectral data acquired by landsat - 5 tm and in situ data are used for bathymetry in estuarine waters of yellow river. statistical models based on one band and two bands of tm respectively are developed
利用兩期水深的比對可以揭示黃河水下三角洲的沖淤演變規律，但由於實測水深資料獲取較為困難，因而利用遙感來反演水深是一個重要的選擇，為此，本文在黃河口海現代黃河三角洲沖淤演變規律與遙感應用研究端走取兩個試驗區進行了多光譜遙感水深反演試驗，試驗結果表明，在極高泥沙濃度、較強水動力條件的黃河口海域，用多光譜遙感反演水深是可行的。In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased
同時採用有機硅單體延遲滴加及添加水解抑制劑等技術，有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合過程中的過渡水解及縮合反應，提高了聚合物大分子鏈中有機硅鏈節的含量；利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵，並通過對共聚產物力學和吸水率的測試，證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有比純丙烯酸酯聚合物更優良的力學及耐水性能；從分子設計角度出發，利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體： ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷；利用核磁共振對新型硅烷單體結構進行了證實；研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液，且其聚合產物具有較高的力學及耐水性能。This and the x - ray spectrum, which exhibits a high concentration of iron atoms relative to oxygen and silicon, convincingly show that the ejecta are the remains of an exploded white dwarf star
這幅圖連帶x射線光譜（顯示出了鐵相對氧與硅的高度集中）令人信服地說明，拋出的物質是爆發白矮星的殘余。The electronic temperature, intensities of all lines and continuous spectra gradually increased with the increment of laser energy, and they got to maximum at different laser energy. our results of copper and aluminum show that there are possibly different thresholds of laser energy to electronic temperature and intensities of emission spectra of laser ablated plasma. at the different environmental gas pressure, spatial emission intensity distribution is explained by the competition among " heat reservoir effect ", " confined effect " and " s hadow effect "
認為cu等離子體羽的發光機制是由電子與粒子的碰撞傳能、電子與離子的復合形成的；隨激光能量的增加， cu等離子體特徵輻射（分立譜） 、連續背景輻射（連續譜） 、電子溫度都出現最大值；結合對al的實驗結果說明：激光燒蝕金屬產生的等離子體，其特徵輻射、連續輻射、電子溫度可能都存在一定的能量閾值；背景氣壓對激光燒蝕等離子體譜線的影響，其機理可以認為是「熱庫效應」 、 「約束效應」及「陰影效應」相互競爭的綜合結果。The change of agglutinating activity, cd spectrum and fls of lra in different temperature, ph and different chemicals indicated that lra had partial hemagglutinating activity at ph2. 0 ( 50 % ), a temperature above 100 ( 60 % ) and after modified by n - bromosuccinimide ( mbs ), the activity lost completely, modified by depc, the lra had a little activity, the other groups modified such as arg, tyr, glu, asp did n ' t effect the hemagglutinating activity of lra. the result indicated that trp residues were essential to the hemagglutinating activity and were involved in carbohydrate - binding site
研究不同溫度、 ph和基團特異性化學修飾后lra凝血活性和促淋巴細胞有絲分裂的變化、圓二色譜和熒光光譜的變化，當溫度達80以上時，活性開始下降，到100時活性有60 %保留:當ph為2時，活性保留50 % ， ph為4一12對活性的影響不大;用nbs修飾trp后， t即的旦一叫睬基的破壞使活性完全喪失，表明trp對凝血活性是至關重要的， arg 、 tyr 、 glu 、 asp被修飾后， lra的凝血活性並未受到大的影響，但tyr修飾后lra的促有絲分裂活性降低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Resonance raman study of the photodissociation dynamics of the ct - band absorption of nitrobenzene in cyclohexane solution, xin - ming zhu, shu - qiang zhang, xuming zheng *, and david lee phillips *, j. phys. chem. a, 2005, 109, 3086 - 3093
己烯復合物電子轉移振動重組能的共振拉曼光譜強度分析，朱宏峰，鄭旭明* ，高等學校化學學報， 26 （ 9 ） ， （ 2005 ）Atomic absorption spectroscopy has proved to be a versatile tool in measuring concentrations of trace metals.
原子吸收光譜法已證明是一種用於測定痕量的金屬濃度的靈活多用的儀器。A series of near roundness cds nanoparticles with a particle diameter of 3 ~ 6nm have been prepared by controlling the concentration and proportion of reactants and adopting sodium hexametaphosphate as stabilizing agent. the studies demonstrate that these particles present obvious quantum size effect and an appropriate excess of cd2 + ion and hexametaphosphoric acid group polysnion are helpful to the dispersion and flame capability ' s improvement of particles. another series of near roundness monodisperse au nanoparticles with a diameter of 12. 3nm was prepared via sodium citric acid deoxidizing auric chloride acid
利用六偏磷酸鈉作為穩定劑，通過控制反應物的濃度及比例，制備了粒徑為3 6nm 、呈近似球形的cds納米顆粒，光譜測試結果表明，顆粒具有明顯的量子尺寸效應，適當過量的cd ~ （ 2 + ）離子以及六偏磷酸根聚陰離子有助於顆粒的分散並提高其發光性能；採用檸檬酸鈉還原氯金酸，制備了接近球形、平均粒徑約為12 . 3nm的單分散體系au納米顆粒；採用wessling的前驅聚合物法獲得導電聚合物ppv前驅體。At first, the principle and technique employed in transmittance oxymetry is analyzed. the lambert - beer law and the difference in extinction coefficient of components in tissues relate to different light wavelength is applicable in reflectance oximetry as well as in transmittance oximetry, as both are relate to near - infrared spectroscopy
本文在深入了解透射式血氧飽和度測定原理及其方法之後，首先明確用近紅外光譜法測定組織血氧飽和度時，無論是透射式檢測手段還是反射式檢測，其依據的基本原理都是lambert - beer定律和組織中各成分對應不同波長光的吸收系數的差異。Under the applied voltage of 2v, the duration of colored process and bleaching process of the semisolid - state smart window was 2s and 1. 5s respectively, which denoted rapid response velocities. researches on the glass / ito / wo3 / linbo3 / niox / au all solid - state smart window were referred to the effect of each film ' s thickness on the device ' s electrochromic properties. through the test of the visible light transmittance of the colored state and bleaching state of the device, it proved good electrochromic capabilities with the dynamic optical density changed between 0. 2 - 0. 5
並在此基礎上繼續研究了glass ito wo _ 3 linbo _ 3 nio _ x au結構的全固態智能窗器件模型，對于各薄膜層厚度對于器件電致變色性能的影響做了初步的研究，測試了器件可見光范圍內的著色褪色透射光譜，光密度變化量在0 . 2 0 . 5范圍內，表明器件具有良好的電致變色性能。The results showed that the infrared spectrum characteristic peaks were different to some extent ; therefore, the technique can identify the chloride butyl rubber bottle closure and brominized butyl rubber bottle closures without destroying samples rapidly and accurately
結果表明：兩者的紅外光譜特徵峰存在一定程度的差異，根據這種差異可以快速準確的對氯化丁基橡膠和溴化丁基橡膠瓶塞進行鑒別，同時該技術具有無損分析的特點。We have prepared a series of neodymium binary / ternary complexes, such as nd ( acac ) 3 ' 2h2o, nd ( tfa ) 3 ' 2h2o, nd ( hfa ) 3 ' 2h2o, nd ( dbm ) 3 ' h2o, nd ( acac ) 3phen, nd ( tfa ) 3phen, nd ( hfa ) 3phen, nd ( dbm ) 3phen, nd ( tta ) 3 ( tppo ) 2, nd ( hfa ) 3 ( tppo ) 2, nd ( acac ) 4hpy, nd ( tta ) 4hpy and ndq3. the effects of organic ligands, synergistic coordination agents and different substitution groups for - diketones on effective line width and photoluminescence intensity of neodymium complexes were investigated. the photoluminescence spectra indicate that synergistic coordination agents can shield neodymium ion and impede water molecules penetrating into inner coordination shell to satisfy large coordination number of nd3 + during hydrous synthesis process, so the luminescence intensity of neodymium ternary complexes is stronger than that of neodymium binary complexes
發光光譜研究表明，由於協同試劑的參與，屏蔽了水分子參與配位，降低了羥基（ oh ）對釹離子激發態能級~ 4f _ （ 3 2 ）的猝滅，三元配合物的熒光強度均比二元配合物強，其中配合物nd （ tta ） _ 3 （ tppo ） _ 2在1340nm處的熒光強度最強，適合作為摻雜的光學活性物質，來制備有源光波導材料；在有水工藝條件下，單純地氟化配體未必能提高釹配合物的近紅外發光性能。Photographic properties ' result of this development accelerator ( m ) indicated that m could increased photosensitivity significantly and at the same time had good anti - aging properties, whereas did not change the absorption spectra of the main coupler development
照相性能試驗結果表明：顯影促進劑m能明顯提高感光度而且具有良好的抗老化性能；染料吸收光譜的結果表明：它的使用不影響主成色劑成色染料的吸收光譜。We obtained a high quality zno thin film with the pl fwhm of 94 mev at 900. the free exciton binding energy deduced from the temperature - dependent pl spectra is about 59 mev at 900, suggesting that the film quality can be improved by annealing process
當退火溫度為900時獲得了高質量的氧化鋅薄膜，光致發光譜的半高寬為94mev ，通過變溫實驗得到激子束縛能為59mev ，表明退火過程提高了薄膜的質量。The experiments show that the color of the iceland spar can be changed when heated to a certain temperature, that is, light yellow iceland spars will fade when heated to 360 - 370, while dark yellow iceland spar will fade at 440 - 450, brownish yellow iceland spar at 460 - 470 ; and the color of light purple iceland spar can be removed when heated to 390 - 400, while the color of deep purple iceland spar can be removed at 440 - 450, deep reddish purple iceland spar at 460 - 470. on base of the u - v absorption spectrum, we find that the u - v absorption spectra of the faded iceland spars are paralleled to the x axis, the transmittance of them are also greatly improved
實驗表明，冰洲石在加熱到一定溫度時顏色會發生變化：淺黃色、深黃色和褐黃色冰洲石分別在360 - 370 、 440 - 450和460 - 470完全褪色；淺紫色、深紫色和深紫紅色冰洲石分別在370 - 380 、 440 - 450和460 - 470時完全褪色。通過對褪色后冰洲石進行紫外-可見光吸收光譜測試表明：完全褪色后的冰洲石在紫外-可見光的吸收光譜上表現為一條近平行x軸的直線；紫外、可見光區的紫區的光透過率有了很大了提高。Meanwhile, this conclusion is further verified by the invariability of df spectrum at different delay time ( 1 - 9 )
同一濃度下葉綠體延遲熒光光譜波形隨延遲時華南師范大學碩士學位論文摘要間（ l一95 ）的不變性進一步證明了這一結論。The experimental result indicates that the new spectral prediction model can give more accurate spectral predicted value than the other ' s
實驗結果表明，新光譜預測模型的光譜預測值與理想值的吻合度明顯高於其他模型。Clear liquids - estimation of colour by the gardner colour scale - spectrophotometric method
透明液體.用加德納色標評定色度.光譜測定法分享友人