Excitations from localized states to the conduction band account for the absorption edge shift toward lower energies observed in the case of N/TiO_2 with respect to pure TiO_2.Mixture of visible light absorption of nitrogen doping and oxygen defect gave no obvious onset in the whole range between 400 and 800nm were observed of the samples N/TiO_(2-)A and N/TiO_(2-)M.

UV-VIS-DRS分析摻雜N/TiO_2結(jié)果表明，N/TiO_2-H和N/TiO_2-T兩種催化劑在490nm處有吸收帶邊国内99在线，可見光激發(fā)途徑是摻雜的N以填隙方式形成的雜質(zhì)能級吸收電子發(fā)生的躍遷引起的日韩美欧自拍视频播放在线观看免费；而N/TiO_2-A和N/TiO_2-M兩種方法得到的N/TiO_2在整個可見光區(qū)域內(nèi)具有可見光吸收欧美黄色插插，沒有顯著的可見光吸收帶邊国产偷窥熟女精品视频大全小说，其對可見光的激發(fā)途徑是摻雜N和氧空缺共同作用的結(jié)果亚洲精品色婷婷在线影院。

Results show that 4-oxo-β-ionone is the major product with yield of 53.5% under the conditions as follows: reaction temperature 45℃, reaction time 24 h, the molar ratio of n: n(NaClO3): n 20: 100: 3, and pH value of solution in 1-3; on the other hand, 5,6-epoxy-β-ionone is major product with yield of 25.4% when reaction temperature is 40℃, reaction time is 24 h, the molar ratio of n: n(NaClO3): n is 20: 120: 5, and pH values of solution is 3. The excessive β-ionone can be recovered by vacuum distillation for reusing again. 4-oxo-β-ionone and 5,6-epoxy-3-ionone were purified by recrystallization and silica gel column chromatograph respectively with the purity over 98%.

研究結(jié)果表明：氯酸鈉氧化β-紫羅蘭酮的反應(yīng)主要生成4-氧代－β-紫羅蘭酮和5，6-環(huán)氧－β-紫羅蘭酮亚洲激情小说，經(jīng)重結(jié)晶和硅膠柱層析分離国产人爱视频A片在线观看，純度高于98%；4-氧代－β-紫羅蘭酮的有利合成條件是反應(yīng)溫度為45℃久久综合男人，反應(yīng)時間為24h黄色视频在线一级视频，溶液的pH值為1~3，反應(yīng)物配比n：n(NaClO3)：n為20：100：3国产黄色导航，最佳收率為53.5%；5亚洲一区日本，6-環(huán)氧－β-紫羅蘭酮有利的合成條件是反應(yīng)溫度為40℃女同免费一区二区，反應(yīng)時間為24h，溶液的pH值為3自拍黄网，反應(yīng)物配比n：n(NaClO3)：n為20：120：5手机在线a视频，其收率為25.4%；未反應(yīng)的β-紫羅蘭酮經(jīng)減壓蒸餾回收后可重復(fù)使用99热这里只有精品最新首页。

A process for reducing nitryl with unstable guanyl on para-position of benzene ring into azyl features that active metal reacts on organic acid and solvent at ordinary temp. and pressure to reduce N-(2 or 3-M, 5 or 6-M',4-nitrophenyl)-N',N'-dimethyl acetamidine into N-(2 or 3-m, 5 or 6-M', 4-aminophenyl)-N',N'-dimethyl acetamidine, where M=H,-R,-OR,-COOR (R=H, C1-C6); and M'=H,-R,-OR,-COOR (R=H, C1-C6). Its advantages include reduced by-reaction and high reducting rate up to 80%-95%.

本發(fā)明是將苯環(huán)上對位帶有不穩(wěn)定脒基的硝基還原為氨基的方法国产真人一级做a片，采用活潑金屬，如：鋅或錫高清国语自产拍视频在线不卡，與有機酸和適當(dāng)?shù)娜軇┭侵夼访乐形娜蘸砺Ρ涮诔亍⒊合掳l(fā)生反應(yīng)欧洲AV在线不卡，將N－（2或3－M在线直接看免费黄色网站，5或6－M＇，4－硝基苯基）－N＇人人看人操，N＇－二甲基乙脒還原為N－（2或3－M啊疼轻点视频，5或6－M＇，4－氨基苯基）－N＇又爽又黄又高潮视频在线观看网站，N＇－二甲基乙脒免费福利黄视频，其中M＝HA片在线观看视频免费网站，－R，－OR一进一出免费视频，－COOR（R＝H国产刺激欧洲，C1－C6），M＇＝H国产一级精品婬片，－R日a在线网址，－OR，－COOR（R＝H曰韩精品欧美精品，C1－C6）欧美性愤潮XXXX，減少了副反應(yīng)，使還原收率達到80％以上射视频网，最高可達95％以上在线观看精品黄片，更適用于工業(yè)化生產(chǎn)。

The invention discloses the anti-fake method by using the 3D stereoscopic icon, which can show 3D stereoscopic icons and hide the confidential image information in the 3D stereoscopic icons, comprising the following steps of: obtaining parameters, inputting confidential images and grey images; then using a visual divided storage method to build n visual divided storage images, using a 3D stereograph method to build n 3D stereoscopic images, adjusting the sizes of the n visual divided storage images and the n 3D stereoscopic images and dividing the n visual divided storage images and the n 3D stereoscopic images into a plurality of basic blocks; finally random choosing the basic blocks in the corresponding positions in the visual divided storage images or the 3D stereoscopic images to build n 3D stereoscopic and visual divided storage icons, etc.

為了既能三維立體顯示圖標人人射人人操人人爽，又能在三維顯示的圖標中隱藏秘密圖像信息在线你懂视频，本發(fā)明公開了利用三維立體圖標防偽的方法，包括獲取參數(shù)就去吻亚洲精品欧美日韩，輸入秘密圖像和灰度圖像好爽好深好紧好高潮；然后利用可視分存方法構(gòu)造n幅可視分存圖，利用三維立體畫方法構(gòu)造n幅三維立體圖www.日韩三级在线，調(diào)整所述n幅可視分存圖和所述n幅三維立體圖大小并分成多個基本塊在线观看的毛片网站；最后隨機選取可視分存圖或三維立體圖中相應(yīng)位置處的基本塊，構(gòu)造n幅三維立體可視分存圖標等步驟www.jizzcom。

N,N′-Disubstituted ureas,used as intermediates for synthesis of pesticides,resin precursors and carbamates,were synthesized from carbon dioxide and primary amines(namely n-propylamine, n-butylamine ,n-amylamine,n-hexylamine,benzylamine and aniline) over organic base catalysts.

以正丁胺為反應(yīng)基質(zhì)国产特黄二级A片免费着、TBD為催化劑，合成N无码在线首页第一页在线，N′-二丁脲的最佳反應(yīng)條件為：反應(yīng)溫度180℃一区二区高清无码网站，CO2壓力10.0M Pa，反應(yīng)時間10h欧美性爱熟女视频，TBD摩爾分數(shù)5.0%噜噜噜色；在此條件下，N九一精品视频在线免费，N′-二丁脲的收率為81.8%狼友视频网址一网址二；紅外光譜表征結(jié)果表明，合成的產(chǎn)物為N一级黄片拍拍,免费视频，N′-二丁脲农村一级强奸少妇大毛片。

The results indicated that when initial NO3--N was not leached, soil initial NO3--N and mineral N extracted by CaCl2 before aerobic incubation were closely related with raygrass nitrogen uptake, the correlation coefficients were 0.856 and 0.862, respectively, both reached at 1% significant level. When initial NO3--N was leached, it was no good relationship between mineralizable N extracted by aerobic incubation, soil initial mineral N and mineralizable N extracted by aerobic incubation, N0 and soil initial mineral N and N0 with raygrass nitrogrn uptake, the correlation coefficients were 0.410, 0.553, 0.492 and 0.419, respectively, indicating that the poor effects of mineralizable N on reflecting soil N capacity were influenced and disturbed by initial nitrate.

以包括土壤起始NO3--N盆栽試驗植物吸氮量為參比，通氣培養(yǎng)前CaCl2所淋洗起始NO3--N和起始礦質(zhì)氮與5期黑麥草地上部氮素累積量密切相關(guān)性深夜免费福利视频，相關(guān)系數(shù)分別為0.856和0.86256色播影院色播性播影院，達1%顯著水平国产呦系列精品视频；與此相反，通氣培養(yǎng)30周所礦化氮素欧美一级做一级a做片性视、土壤起始礦質(zhì)氮+通氣培養(yǎng)30周礦化氮素色欲色香天天天综合视频在线观看、氮素礦化勢(N0)及N0+起始礦質(zhì)氮與5期黑麥草地上部氮素累積量間無顯著相關(guān)關(guān)系，相關(guān)系數(shù)分別僅為0.410www.free性亚洲、0.553人人操在线国产、0.492和0.419。

The influence factors such as n/ n,n(H_2O_2)/n,the concentration of hydrogen peroxide,reaction temperature and time were studied to find how they affected the synthesizing of accelerant NOBS adopting hydrogen peroxide oxidation method.

研究了n/n黄色视频A级精品一区二区、n(H2O2)/n福利视频自拍、雙氧水濃度、反應(yīng)溫度和時間對雙氧水氧化法合成促進劑 NOBS的影響欧美另类第一区，通過L16(45)正交實驗確定出的最佳合成配方及工藝條件：n/n為7黄色视频你懂得在线观看；n(H2O2)/n為1.6；雙氧水濃度為12%日韩一精品视频在线观看；反應(yīng)溫度為40℃456久久影院一区二区；反應(yīng)時間為3h。

Study the bioactivity of the n-HA/PA66 composite and the effects it would be to body's metabolism of calcium and phosphorus ion in vivo.(3) Study the osteo-conductivity and the ability to repair bone defect of the porous n-HA/PA66 composite and the feasibility use it as the scaffold of bone tissue engineering. Objects and Methods as follows: 1.To evaluate the biocompatability of nano-hydroxyapatite crystals and polyamide composite (n-HA/PA66) with the L929 cells.To proceed the morphological observation and take pictures of L929 cells after 1d,2d,4d,and 7d of co-cultured with extract of n-HA/PA66 ,and direct contact with n-HA/PA66.To determine light absorbtion value of every hole under 500 nm with enzyme linked immunity instrument after 1 d,2 d,4 d,and 7 d of contact of n-HA/PA66 extract with L929 cells,and direct contact with n-HA/PA66.In the meanwhile calculate the relative multiplication rate of cells,and evaluate them by six degree tests for cytotoxicity. To investigate the acute and chronic toxic reaction on the whole body induced by the new nano-hydroapatite crystals and polyamide composite(n-HA/PA66)after implanting in vivo and its effects on partial constitution of animal organs after implanting in vivo,and evaluate the potential and degree of subcuticular stimulation reaction.

本實驗主要由以下三部分組成：一毛片基地无码专区久久、n-HA/PA66 復(fù)合材料在動物體內(nèi)在线观看黄毛片、體外的生物相容性及生物安全性評價二、n-HA/PA66 復(fù)合材料植入動物體內(nèi)的生物活性及近期對機體鈣亚洲无码淫乱视频、磷代謝影響的實驗研究三99ri国产地址、網(wǎng)孔 n-HA/PA66 復(fù)合材料作為支架修復(fù)兔橈骨節(jié)段缺損的動物實驗研究主要研究目標及方法如下：參照 GB/T16886.5-1997-ISO 10993-5：1992《醫(yī)療器械生物學(xué)評價細胞毒性試驗體外法》之評價標準和要求，采用規(guī)定的 L929 細胞(小鼠結(jié)締組織成纖維細胞)国产免费黄色网站无码，分別經(jīng)直接接觸和材料浸提液與細胞共培養(yǎng)等方式對 n-HA/PA66 復(fù)合材料進行細胞毒性測試，采用細胞形態(tài)觀察法觀察兩種細胞各組在 24h美女破处视频两人啪啪啪、48h亚洲女人天堂网2020、72h、5 天后各時相點的細胞形態(tài)學(xué)變化日韩一区,国产二区,欧美三区，并在顯微鏡下照相九九线精品视频在线观看视频26，從而對細胞與材料的生物相容性進行定性評價；同時采用細胞生長抑制法免费观看不卡A片视频，以酶標儀定量測定評價各組 1国产又黄又粗又长的视频，2，4欧洲免费视频区，7 天 L929 細胞的相對增殖率在线免费观看日本视频，以定量測定并判別材料對細胞的毒性程度。

The invention discloses a high-voltage P-type metal oxide semiconductor, including a P-type substrate, a deep N-well is arranged on the P-type substrate, an N-well drift region and a P-type drift region are arranged on the deep N-well, an N-type contact hole, a P-type source and a field oxide layer are arranged on the N-well, a P-type drain and the field oxide layer are arranged on the P-type drift region; the invention is characterized in that the thickness a grid oxide layer part which is positioned above the N-well is smaller than the grid oxide layer part which is positioned above the P-type drift region and a thin grid oxide layer and a thick thin grid oxide layer are respectively formed accordingly.

本發(fā)明公開一種高壓P型金屬氧化物半導(dǎo)體管强奸美女视频网站，包括P型襯底日韩免费999视频，在P型襯底上設(shè)有深N型阱欧美性爱资源网，在深N型阱上設(shè)有N型阱和P型漂移區(qū)，在N型阱上設(shè)有N型接觸孔成年日本片黄网站大全免费久草、P型源及場氧化層欧美最猛性XXXXX69，在P型漂移區(qū)上設(shè)有P型漏及場氧化層，其特征在于位于N型阱上方的柵氧化層部分的厚度小于位于P型漂移區(qū)上方的柵氧化層部分并由此分別形成薄柵氧化層和厚薄柵氧化層www.色偷偷.com。

The invention discloses a high-voltage N-type metal oxide semiconductor, including a P-type substrate, a P-well drift region and an N-type drift region are arranged on the P-type substrate, a P-type contact hole, an N-type source and a field oxide layer are arranged on the P-well, an N-type drain and the filed oxide layer are arranged on the N-type drift region; the invention is characterized in that the thickness a grid oxide layer part which is positioned above the P-well is smaller than the grid oxide layer part which is positioned above the N-type drift region and a thin grid oxide layer and a thick thin grid oxide layer are respectively formed accordingly, a P-type impurity injection region is arranged in the P-well, and the P-type impurity injection region is positioned below the thin grid oxide layer.

本發(fā)明公開一種高壓N型金屬氧化物半導(dǎo)體管亚洲精品中文字幕区，包括P型襯底，在P型襯底上設(shè)有P型阱和N型漂移區(qū)欧美与黑人视频，在P型阱上設(shè)有P型接觸孔日韩孕妇自拍视频网站大全免费观看、N型源及場氧化層，在N型漂移區(qū)上設(shè)有N型漏及場氧化層欧美色z，其特征在于位于P型阱上方的柵氧化層部分的厚度小于位于N型漂移區(qū)上方的柵氧化層部分并由此分別形成薄柵氧化層和厚薄柵氧化層性生爱视频免费网站，在P型阱內(nèi)設(shè)有P型雜質(zhì)注入?yún)^(qū)且該P型雜質(zhì)注入?yún)^(qū)位于薄柵氧化層的下面。