teos 中文意思是什麼

teos 解釋
泰奧什
  1. The tem shows lots of nano silica particles circumfuse on the surface of the micro fe particles after the micro fe coated by silica. the sem analysis shows the same result. the vsm shows the micro fe particles have almost no remnant magnetism and coesive. the saturation magnetization decrease with the feed content of teos remenant magnetization and coesive are little

    隨著teos的投料的增加,材料飽和磁化強度呈下降趨勢,微米粒子磁化曲線通過原點,表面包裹后,剩磁與矯頑力變化很小對于微米鐵粉,其磁疇變化較快,沒有剩磁與矯頑力。
  2. The preparation of optically active composite is a promising alternative to obtain a kind of new and competitive sensing membrane for fiber optic sensors, and has attracted the global attention. in this thesis, the modified sol - gel sensing membranes based on fluorescence quenching have been prepared by using tetraethoxysilane ( teos ) and dimthyldimethoxysilane ( dds ) as the main material, formamide as the drying control chemical additive ( dcca ), ru ( phen ) 3cl2 and ru ( bpy ) 3cl2 as the indicator. this kind of membranes is crack - free and has low indicator - leaking rate

    本文以四乙氧基硅烷( teos ) 、二甲基二乙氧基硅烷( dds )為主要原料,以甲酰胺為控制乾燥劑,二價釕離子絡合物釕( ) ?聯吡啶( ru ( bpy ) _ 3cl _ 2 )和釕( ) ?菲咯啉( ru ( phen ) _ 3cl _ 2 )為熒光指示劑,採用改進的溶膠凝膠技術,通過添加控制乾燥劑和有機摻雜兩種手段,制備了基於熒光猝滅原理的光纖氧敏感膜。
  3. It was demonstrated that the reaction temperature, solvent, concentration of the reactants and catalyst, ageing time affected the particle size and distribution. by controlling these factors or feeding teos step after step, monodispersed and spherical ultrafine sio2 powder could be prepared

    討論了醇、水、氨、正硅酸乙酯、溫度、陳化時間等多種影響因素對顆粒粒徑及粒徑分佈的影響,得出了制備超細二氧化硅粒子的優化的工藝條件。
  4. In the process of preparing mullite powder, we use teos and al ( no3 ) 3 as raw materials. the powder we prepared has high purity and its grain radius is relatively small and is distributed equality. by this method, we prepared about 600 g mullite powder and it provided basis for the next experiment

    在溶膠-凝膠法制備莫來石粉末過程中,我們以正硅酸乙酯和硝酸鋁為主要原料,採用該法制得了莫來石粉末,該粉末純度很高,粒徑較小並且分佈均勻,我們按該法制得了約600g莫來石粉料,為接下來的實驗打下了基礎。
  5. Abstract : this paper dicussed the preparative parameteres synthesized mullite ultrafine powder by sol - gel and co2 scfd ( supercritieal fluid drying ) method from teos and al ( no3 ) 3 ? 9h2o as raw materials. the control parameteres of the colloidal particle size forming in sol - gel process and the gel structure and the scfd were studied by, xrd, tem and bet techmiques

    文摘:研究了以正硅酸乙酯和硝酸鋁為原料,採用溶膠一凝膠法結合co2超臨界流體低溫乾燥技術合成莫來石超細粉的制備參數控制,並利用xrd 、 tem和bet 、技術研究了溶膠-凝膠過程中溶膠膠粒大小的控制和凝膠結構的控制及超臨界流體乾燥技術的控制。
  6. The fixing performance of teos / tbb blend sol and the effect of fixing conditions were discussed

    討論了正矽酸乙酯溶膠和鈦酸丁酯溶膠混合溶膠的固色效果及固色工藝對固色效果的影響。
  7. The ratio of tetraethyloxysilane ( teos ) : ethanol : distilled water is 1 : 3 : 4. n - n " dimethyl formamide ( dmf ) was used as solvent and drying control chemical additive ( dcca ) in a proportion of 0. 3 dmf / ethanol volume ratio. drops of hf / hc1 mixture acid was added to promote hydrolysis ( ph = 2 )

    溶劑的選擇對基質凝膠孔的形狀基本沒有影響,但對其孔徑分佈有較大影響:在hf / hci混合酸催化情況下, dmf溶劑的樣品孔徑最小, dmf /乙醇混合溶劑的其次,乙醇溶劑的樣品孔徑最大。
  8. Modification of ep by nano - sio2 and organic silicone was presented to enhance heat - resistant, wet - resistant and mechanical properties of ep cured system by review of nano - composites, modification of ep and nano - sio2. polymerization of epoxy resin and teos with dispersing nano - sio2 was studied

    用納米sio2和teos共同改性ep的酸酐固化體系,隨teos和納米sio2添加量的增加, si o si網路結構趨于完善,產物的耐高溫性能顯著提高。
  9. In this paper, plasma - enhanced chemical vapor deposition ( pecvd ) technique was used to deposit the dielectric p - sio2 films and p - sion films on the silicon wafer under the conditions of low temperature and low pressure with teos organic sourse. this research was focused on the evaluation of film growth, hardness, stress, resistance and refractive index, by changing the experimental parameters including rf power, substrate temperature, chamber pressure, and the flow rates of teos, o2, n2. the results showed that the p - sio2 film was smooth, dense, and structurally amorphous

    實驗結果顯示,用pecvd法淀積的p - sio _ 2膜是一表面平坦且緻密的非晶質結構的薄膜,與矽片襯底之間有良好的附著性;在中心條件時生長速率可控制在2600a / min左右;在基板溫度410時有最大的硬度可達16gpa ;其應力為壓縮應力,可達- 75mpa ;薄膜的臨界荷重為46 . 5un 。
  10. The smaller the ratio of nh3 / teos is more helpful for the synthesis of samples. the contraction from calcination of samples obtained in eda medium is proporational to the ratio of eda / teos at room temperature. the samples obtained in mixed basic media ( naoh / tea ) have thicker wall and more thermal stability than in naoh medium, but pore size is smaller correspondingly

    氨水介質中, nh _ 2 teos值在( 8 , 25 )之間越小,越有利於mcm - 41的室溫合成;室溫條件下eda介質中得到樣品的燒成收縮量與eda teos的值成正比;與naoh介質相比,混合介質( na0h三乙醇胺)中水熱合成的樣品具有較厚的孔壁,有著更好的水熱穩定性,但同時孔徑相應較小。
  11. The oxygen sensing properties of the membranes have been studied, the results indicate that the membranes with ru ( phen ) 3cl2 have better oxygen - sensitivity than those with ru ( bpy ) 3cl2, and the membranes with the formamide content of 16 % ( v / v ) and ru ( phen ) 3cl2 content of 2. 10g / l in the precursor mixture have the best structure and quality. the fiber optic gas oxygen sensor with this sensing membrane has a detection limit of 5ppm, a response time of less than 30s, excellent reproducibility and stability. ( 2 ) a new kind of organically modified oxygen - sensitive membrane based on fluorescence quenching was prepared by sol - gel method, using dds and teos as the mixed precursor, rufchenbcla as the indicator

    實驗證明:該類敏感膜的tan _ 0 tan值與氧氣濃度存在良好的線性關系;包埋ru ( phen ) _ 3cl _ 2的凝膠膜的氧敏感性相對較好;當甲酰胺為16體積比含量, ru ( phen ) _ 3cl _ 2在前驅體中濃度為2 . 10g l時,制備的敏感膜結構和性能最佳;對氣態氧檢測時,該敏感膜的響應時間小於30秒,檢測下限為5ppm ,具有較好的重復性和穩定性。
  12. Compared with pure teos sensing membrane, modified sensing membranes have better reproducibility and stability, which is more favorable for the detection of dissolved oxygen

    與純teos敏感膜相比,有機改性敏感膜具有更好的重復使用性和穩定性,更有利於溶解氧的測量。
  13. The result shows that with increase of teos content, the transmittance in the visible region of the hybrid materials decreases, uv light induced aging - resistance of the hybrid materials increases

    結果表明,隨著teos含量的增大,雜化材料在可見光區域的透光率有所降低,耐光老化性相應提高。
  14. Using teos and ti ( obu ) 4, etc. as modifying material, wood samples were nano modified by means of microwave technology, supersonic dispersing method and pressure penetrating method etc

    摘要採用納米合成技術,以正矽酸乙酯、鈦酸丁酯等作為改性木材的前驅體,結合微波擴孔技術、超聲分散技術、壓力浸漬等方法,對木材進行了改性。
  15. The influence of the heat treatment on the in - situ synthesis process and the luminescence behavior of the rare earth complexes in the different ratio teos / gptms gel glasses have also been studied

    研究了雙摻lmol h共和3molohy的teos凝膠體系和50 teos50 gptms凝膠體系,考察了ph值對稀土有機配合物在上述兩種凝膠體系中原位合成及發光的影響。
  16. About the critical force on the scratch tests, it was 45un. the p - sion films had a refractive index about 1. 65. from the study, it is apparent that teos - sio2 and teos - sion films possess high quality compared with sih - film as dielectric film and passivation film

    通過實驗研究可以看出,與傳統的sih _ 4系sio _ 2介質膜和sion鈍化膜相比, teos系薄膜作為介質膜和表面鈍化膜具有膜質優良、可控性好的特點。
  17. In order to prolong the lifetime of the phosphor, na2sio3 liquid phase hydrolyzation and atmospheric chemical vapor deposition of teos and o2 is adopted to form coating of silicon dioxide film on the surface of the electroluminescent phosphor zns : cu in this paper for the first time

    為了延長材料的使用壽命,本論文首次採用na _ 2sio _ 3液相水解和teos與o _ 2的常壓化學氣相沉積的方法在zns : cu發光材料的表面包覆sio _ 2膜層。
  18. Translucent sio2 sols are prepared from teos using nh3 ? h2o as catalyzer, polyelectrolyte / sio2 composite films are fabricated via electrostatic self - assembly multilayer method, and sio2 thin films are formed by heat - treating the polyelectrolyte / sio2 composite films to eliminate the polyelectrolyte and other components in composite films

    摘要以氨水為催化劑,通過水解正矽酸乙酯制備了乳白色二氧化矽溶膠,採用靜電自組裝薄膜技術制備了聚電解質二氧化矽復合薄膜,並通過熱處理制備了二氧化矽薄膜。
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