differential thermogravimetry 中文意思是什麼

differential thermogravimetry 解釋
差熱重量測定法
  • differential : adj 1 差別的,區別的;特定的。2 【數學】微分的。3 【物、機】差動的,差速的,差示的。n 1 (鐵路不...
  • thermogravimetry : 熱解重量分析術 熱失重法 熱重量分析法
  1. Their properties have been investigated by using scanning electronic microscopy ( sem ), differential scanning calorimetry ( dsc ), x - ray diffraction ( xrd ), thermogravimetry - differential thermal analysis ( tg - dta ), infrared spectroscopic analysis ( ir ), and gas chromatography ( gc ), etc. the effects of the mulser ' s stirring rate and the emulsifier concentration on the properties of encapsulated pcms have been systematically studied, and nanopcms have been obtained by increasing the stirring rate or the emulsifier concentration. the influences of different nucleating agents on micropcm performances have also been investigated in detail to search for a suitable nucleating agent to prevent micropcms from super - cooling

    首先,系統研究了乳化機轉速和乳化劑濃度對膠囊性能的影響,並通過提高轉速或乳化劑濃度獲得相變材料納膠囊;其次,系統研究了不同成核劑對微膠囊性能的影響,找到合適的成核劑抑制了相變材料微膠囊的過冷現象;再次,詳細研究了環己烷對膠囊性能的影響,並通過添加適量環己烷提高了相變材料微膠囊及納膠囊的耐熱溫度。
  2. The measurement of oxygen desorption activation energy by thermogravimetry ( tg ) and differential thermogravimetry ( dtg ) curves with different heating rates shows clear evidences that the behavior of tg, dtg, and desorption activation energy have some relations with the oxygen stoichiometry of the specimeri when temperature changes from 500c to 800c

    採用多升溫速率熱重法得到的tg 、 dtg數據計算yba _ 2cu _ 3o _ ( 7 - x )的氧脫附活化能。實驗表明,當溫度在500 - 800范圍變化時, tg 、 dtg的變化行為及脫附活化能明顯的和樣品的氧含量有關。
  3. The structural characterization of v _ 2o _ 5 compounds were measured bymeans of differential thermoanalysis ( dta ) and thermogravimetry ( tg ), scanning electron microscopy ( sem ), and x - ray diffraction ( xrd ). the testsreveale that materials which were prepared by sol - gel ( inorganic sol gel andmelting - coling ) showed that the amorphous structure, and the interlayer spacingenlarge a lot than that of crystalline v _ 2o _ 5

    採用熱重與差熱( tg - dta ) ,掃描電子顯微鏡( sem ) , x射線衍射( xrd )等測試手段對材料的結構性能進行表徵,結果顯示兩種溶膠-凝膠法(無機溶膠凝膠法和熔融淬冷法)制備的v _ 2o _ 5材料均為無定型結構,其層面間距均比晶體v _ 2o _ 5成倍增大。
  4. For adapting to the need of industrialization and improving the properties of materials, the method of mechanical activation has introduced on the basis of traditional calcinations at high temperature. the stardard spinel limn204 is prepared by the mechanical activation - high temperature solid synthesis method. the thermodynamic property, the physical - chemistry performance and the producing techniques of. battery have been studied by means of thermogravimetry ( tg ), differential scanning calorimetry ( dsc ), x - ray diffraction ( xrd ), scanning electric microscopy ( sem ) as well as various electrochemical analysis methods. studies show that synthesis temperature, calcinations time, recipe of raw materials, heat treatment and particle size of products are main factors affecting the performances of limn204 cathode materials. with the increment of synthesis temperature and time, the structure and crystal of products are getting to perfect

    隨著合成溫度和時間的增加,產物的結構和晶型越趨于完善,但在1100得到的產物有燒結和晶粒增大的現象,恆溫時間超過24h后對材料的性能影響不是很大; li mn比在0 . 95 1 . 05 2的條件下都可得到標準的尖晶石limn _ 2o _ 4 ,尤其當li mn比為1 . 05 2時,所合成的材料具有較好的電化學性能;通過兩段合成法制備的產物性能要比一段合成法法制備的產物性能好,而兩段間隔合成法比兩段連續合成法處理的材料性能更佳;顆粒的粒度隨著球磨時間的延長而減小,比表面昆明理工大學碩士學位論文摘要卻增大,粒度小且分佈范圍窄的材料有利於鏗離子的擴散。
  5. The suitable preparing condition of the composite has been set down by a series of experiments. the clay / poly - acrylamid superabsorbent composite is characterized by infrared ( ir ), thermogravimetry, analysis ( tga ), differential scanning, calorimetry ( dsc ) and x - ray diffraction analysis ( xrd )

    在理論研究方面,利用x射線粉晶衍射光譜、紅外吸收光譜、熱重分析法、示差掃描量熱法、電化學分析等方法對超吸水性復合材料的吸水性能與超吸水性復合材料的組成基團以及結構關系進行了深入探討。
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