Therefore, the energy of π(superscript *) orbit decreases, the probability of optical absorption increases, the n→π(superscript *) electronic transition enhances, and the absorption band broadens and shows red-shift. The above phenomenon will result in the degradation of optical properties of ZnO/silicone white paint under proton exposure.

同時Si-O-Si鏈內氧原子未成鍵的孤對電子與鄰近硅原子的3d空軌道配位，降低了π軌道的能量欧美牲交A欧美牲交aⅴ一，提高了對光吸收的幾率A片黄色免费网站，增強了n→π電子躍遷，使吸收帶紅移拍自拍亚洲手机黄色视频在线观看，從而導致ZnO/silicone白漆光學性能退化96sao国产成视频永久免费。

The result of UV-visible spectroscopy show that the absorption band of the titanium dioxide hydrosol is extend to visible light region, what'more the absorption band in ultraviolet region is strong and wide.

紫外-可見光漫反射吸收光譜分析表明，該納米二氧化鈦水溶膠在紫外光區(qū)具有強而寬的吸收帶www.欧美色图.com，且其吸收邊(500nm)擴展到了可見光區(qū)黄色网址免费在线免费免费免费免费，擴展了對光譜的吸收范圍。

The presence of the strong absorption band around 220nm in UV-Vis spectra and the appearance of the band around 960cm^(-1) in IR spectra demonstrate that the tetrahedrally coordinated Ti-atoms exist in the framework of Ti-containing zeolites.

UV-Vis光譜在220nm處的強吸收峰和骨架在960cm-1處的紅外吸收峰均證明在沸石骨架中存在四配位Ti原子A级毛片毛片免费。

The absorption band at 2240 A discovered by Stucklen in an underwater spark does not agree with the band observed by Hulthen and Zumstein in a high temperature oven and later studied by Grundstrom. The important difference lies in the complete lacking of the R-branch lines in Stucklen's band. New experimental investigation led to the discovery of the unfound R-branch lines. This is a strong evidence that the bands are actually the same.

Stcklen氏發(fā)現(xiàn)用銅極在水中生火花有一吸收光帶位於2240A區(qū)域此光帶與Hulthen氏及Zumstein氏及Grund-strom氏在高溫度爐中用銅之蒸氣加以氫氣所得之吸收光帶(亦在2240A附近)不能一致最大之分別在Stucklen之光帶全無R支譜線新實驗工作發(fā)現(xiàn)R支譜線之存在得R(0)至R(13)之十四根線確實證明Stucklen之光帶并非另一新帶玖玖国产精品。

The absorption spectrum center wavelength of dolomite is near 232 μm is shorter than 235 μm of limestone,and thus RBD7 and RBD8 can be employed effectively to identify dolomite and limestone,respectively. Felsic rocks show AlOH and Fe3+ absorption characteristics in the VNIRSWIR region,while the maficultramafic rocks show Fe2+ and Fe,MgOH absorption features,hence the use of different valence state of iron and secondary minerals can distinguish them:ASTER band2/band1 represent Fe3+ distribution,ASTER band2/band1 represent the Fe2+ distribution,RBD6 can estimate the AlOH mineral abundance. Psammitic/pelitic schist containing phengite,chlorite,stilpnomelane,as well as the weathered surface covered by clay minerals,exist characteristic absorption spectrum in the 221 μm(band 6),and has a high reflectance in 165 μm(band 4),while the blueschist/greenschist show high reflectance in the 221 μm(band 6),and it exit low reflectance in 165 μm(band 4),and blueschist/greenschist appear low ASTER band4/band6 ratio.

白云巖的CO2-3吸收譜帶中心波長位于232〖KG*3〗μm，與灰?guī)r的CO2-3 吸收譜帶中心波長位置235 μm相比中文字字幕在线，具有向短波長方向移動的特點26uuwumaav，據(jù)此可以利用RBD7、RBD8分別有效的識別白云巖和灰?guī)r午夜男人一级毛片；長英質巖石顯示AlOH和Fe3+ VNIRSWIR吸收特征456性爱，而基性超基性巖石顯示Fe2+和Fe、MgOH特征中文字幕网站免费看A片在线，利用不同的鐵價態(tài)和次要礦物可以區(qū)分它們：ASTER band2/band1代表了含F(xiàn)e3+礦物分布信息黄色av录像、ASTER band5/band4代表了含F(xiàn)e2+礦物分布信息、RBD6可以估計AlOH礦物的豐度欧美中文字幕淫乱视频；砂質/泥質片巖含較多的多硅白云母欧美成人aⅴ免费、綠泥石、黑硬綠泥石以及風化后表面覆蓋的其它粘土礦物免费成年人视频，在221 μm（band 6）存在有特征的吸收譜帶欧美va国产va视频，并且在165 μm（band 4）具有較高的反射率，而藍片/綠片巖在221 μm（band 6）反射率較高中国农村野外性XX视频，不具有明顯特征吸收譜帶你懂得在线网站，同時其在165 μm（band 4）反射率較低，因此藍片/綠片巖ASTER band4/band6 比值低国产黄色在线观看。

Comparisons between the experimental and computational IR spectra clarify the difference of the open- and closed-ring isomers, which indicate that it is possible to identify the tautomeric form of this diarylethene derivative using a highly selective infrared absorption band and the strong absorption at 1 705 cm-1 of the ring-closed isomer can be used in non-destructive readout by IR light.

通過紅外吸收光譜表征了該光致變色二芳基乙烯衍生物在溶液中開国产拍线一区观看、關環(huán)前后結構的變化，并采用理論化學計算方法研究了該化合物開日韩AV无码一区二区三区、關環(huán)異構體的紅外吸收振動特性日韩高清成人免费播放视频网站大全。光致變色異構化過程可以通過紅外吸收光譜的變化而識別。關環(huán)異構體在1 705 cm

With the support of a major research grant of Zhejiang Province (No. 001101027) and the Plan of Promoting Education of Excellence of Zhejiang University in the 21st Century, this dissertation is devoted to address the above problems and fabricate an L-band EDFA with low cost, high performance and technological innovation.First the mechanism of an erbium doped fiber amplifier is introduced. Various theoretical models based on classical rate propagation equations are summarized and compared for their applications. We use a modified numerical model based on the Giles model, which agrees with the experimental results well. This serves as the theoretical base for the whole thesis and will be used to optimize the characteristics of EDFAs. A novel method based on a map of noise figure and gain is proposed to analyze efficiently the dependence of the noise figure and gain for EDFAs on the EDF length and the pump power. The characteristics of various EDFAs are studied and compared.Secondly, some important parameters are introduced to describe the characteristics of EDFAs. The methods and the experimental setups for measuring the gain and noise figure of an EDFA are emphasized. We introduce how to measure the characteristics of each component of an EDFA, especially the gain and absorption coefficient of an erbium doped fiber.Thirdly, four types of simple and novel L-band EDFA structures with low noise, high gain and low gain ripple are proposed to satisfy the requirement of a DWDM system. They can be classified into two categories. In the first category, a single ASE pumping is served asa secondary pump. This category includes the following three types. Type: a new construction using a fiber Bragg grating in an unpumped EDF section at the input side. Type: a new structure of L-Band EDFA with two-stage pumps, which utilizes the forward ASE as a second pump.

本論文本著科技創(chuàng)新特级毛片全部免费播放A一级、服務于生產(chǎn)實踐的精神，以設計價格低廉99re在线视频，性能優(yōu)越影音色资源、結構合理簡單的L-band EDFA為目標影音先锋最新AV资源网站，依托浙江省科技廳重大科學基金資助項目(001101027)和浙江大學振興教育計劃資助的全光網(wǎng)絡的搭建—《光通信技術》課程實驗建設項目，展開了如下工作：首先JIZZ精品免费，介紹了摻鉺光纖放大器的工作原理一级A片高潮喷免费观看，歸納總結了基于速率方程基礎的EDFA的各種理論模型，分析比較了各個模型的特點和適用場合国产精品视频美熟女一区二区，最終選擇完善的Giles理論模型作為本論文分析設計EDFA的理論基礎人人操人人摸人人干96；針對實際實驗條件提出了修正的EDFA模型的數(shù)值計算方法；創(chuàng)新地提出了增益—噪聲系數(shù)全局分析法色久盗拍免费在线视频，直觀有效地分析了EDFA的增益和噪聲系數(shù)與摻鉺光纖長度和泵浦功率的依賴關系黄色网址观看免费，并對各種EDFA的性能作了全面的比較；第二色色色亚洲图，介紹了摻鉺光纖放大器特性參數(shù)的定義與測量方法大乱婬交欧美视频一区，重點介紹了噪聲系數(shù)和增益系數(shù)的測量方法及實驗裝置；介紹了組成摻鉺光纖放大器各組件的特性測量方法婷婷六月丁香综合，重點介紹了測量摻鉺光纖參數(shù)的方法和實驗裝置操逼免费视频网址；第三，針對WDM系統(tǒng)對L-band EDFA譜平坦国产欧美日韩操逼视频、低噪聲色区综合网、高增益的要求，我們創(chuàng)新地提出了四種不同的L-band EDFA結構色色色色色色女内，按設計思路可以分為兩大類：一類是基于單抽運二級泵浦法亚洲大尺度视频无码专区，這一類包括在未泵浦摻鉺光纖的輸入端插入一根布拉格光纖光柵的兩段L-band的EDFA的新結構；基于前向ASE光作為二級泵浦源推動下一級EDF工作的泵浦分配无码精品视频一区二区免费、兩段級聯(lián)L-band的EDFA的新結構a一级黄色网；基于單根光纖光柵、泵浦分配想要看的一级黄片福利在线免费看、兩段級聯(lián)的EDFA曰本一级毛片免费高清直播；另一類則是基于同時應用前后向C-band ASE作二級泵浦源的雙抽運法，如基于前后向ASE光作為二級泵浦源的三段級聯(lián)L-band的EDFA的新結構啪啪啪资源。

The binding of bis-ANS bound to blue membrane at different temperature are only one binding sites. 4. The research results of fluorescence, absorption spectra and stopped flow method used to track the process of transition from acidifying purple membrane to blue membrane indicate that the transition of the characteristic absorption band of retinal(from 570 to 605 nm) and the maximum excitation wavelengths of bacteriorhodopsin(from 326 to 331 nm) occurres at a narrow concentration range of HCl(11.5-13.3 mmol/L). The transition process performs within 0 to 2s.

通過熒光光譜麻豆强奸女上司视频、吸收光譜和停流技術對酸化紫膜轉變成藍膜變化過程的跟蹤研究表明，視黃醛特征峰的遞變(570→605nm)以及蛋白質熒光最大發(fā)射波長的遞變(326→331nm)都是在狹窄的HCl濃度范圍(11.5-13.3mmol／L)內同步進行的99精品热，該轉變過程在0-2s之內極快完成一级A片无遮挡无,码高清。

MnO_x catalytic gauzes are analyzed using BET、SEM and IR before and after treatment. The result shows that the specific surface area, total pore volume and average pore size of MnO_x reduce dramatically, and the infrared absorption band of N-O enhances. The removal mechanism of NO_2 using MnO_x catalyzer is preliminarily believed as absorption-catalysis process.

對使用前后的MnO_x催化網(wǎng)進行線性掃描和紅外光譜分析欧美色污在线视频，得到使用后催化劑比表面積91最新国精品自产拍、總孔容和總孔面積明顯減小，N-O鍵增多，初步分析認為NO_2被MnO_x催化網(wǎng)去除的機理為先吸附后發(fā)生催化反應為酸91午夜在线观看免费。

The results indicate that the serpentine cat's-eye mainly consists of chrysotiles, which show the characteristic diffraction lines d(subscript 202, 006)=0.2446nm (I/I0=29) and d(subscript 202, 006)=0.2451nm (I/I0=27) in the XRD pattern; two absorption bands near 3600~3690cm^(-1) and three characteristic IR absorption bands around 960~1100cm^(-1) and one weak shoulder absorption band in the IR patterns.

結果表明日韩欧美视频，四川蛇紋石貓眼的主要組成礦物為纖蛇紋石，具有斜纖蛇紋石d(下標 202一级特黄无码黄片。 006)=0.2446nm(I/I0=29)和d(下標 202无码A级毛片免费视频。 006)=0.2451nm(I/10=27)X射線粉晶衍射的特征譜線；在960~1100cm^(-1)間紅外圖譜分裂成3個明顯的譜帶老色鬼A∨在线视频在线观看，570cm^(-1)附近的紅外譜帶以肩狀出現(xiàn)国产91精选在线看，在3600~3690cm^(-1)的高頻區(qū)出現(xiàn)兩個譜帶。