differential thermal analysis dta 中文意思是什麼

differential thermal analysis dta 解釋
差示熱分析法
  • 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...
  • thermal : adj. 1. 熱的,熱量的,溫熱的;由熱造成的。2. 溫泉的。n. 【航空】上升暖氣流。adv. -ly
  • analysis : n. (pl. -ses )1. 分解,分析;【數學】解析。2. 梗概,要略。3. 〈美國〉用精神分析法治療(= psychoanalysis)。
  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 composition of sample was identified by means of x - ray diffractometer ( xrd ). magnetic properties were measured by vibrating sample magnetometer ( vsm ). the combustion behavior and crystallization process of the gel were studied by means of differential thermal analysis - thermogravimetric analysis ( dta - tg )

    利用x射線衍射儀( xrd )確定樣品物相,振動樣品磁強計( vsm )進行磁性測量,綜合熱分析儀研究凝膠的燃燒和析晶過程,掃描電子顯微鏡( sem )和透射電子顯微鏡( tem )觀察粉末的形貌與粒度。
  3. Super - micro - powder were observed throuth scanning electron microscope ( sem ) to find character under microscope to have been dismissed ; differrential thermal analysis ( dta ) print has been tested to distinguish rhizoma polygoni cuspidati and the root of differential thermal analysis, dta macleaya cordata ( willd. ) r. br. [ bocconia cordata willd ] among its components, such as emodin, chrysophanol, falacinol, citreorosein, questin, questinol, polydatin ( resveratrol - 3 - 0 - ? - d - glucoside ) and anthraquinone have been tested to be the main activator

    針對目前市場上存在著虎杖藥材質量不穩定,生產及臨床實踐中虎杖制劑的質量難以控制等問題,我們在對虎杖進行文獻查閱、產地考察和市場調查的基礎上,考察了藥材產地等主要因素對虎杖質量的影響。
  4. Differential thermal analysis, dta

    差示熱分析法
  5. According to the significant improvement in properties of ions and particles doped perovskite, tb and cnt doped pt materials were prepared, and the properties studied. tb and cnt doped pt powders and films were successfully prepared by sol - gel method. by differential thermal analysis ( dta ), scanning electron microscopy ( sem ), transmission electron microscopy ( tem ), x - ray diffraction ( xrd ), fluorescent analysis and dielectric constant analysis, the morphology and phase transformation, crystalline properties, fluorescent properties and dielectric properties of the materials were studied

    本研究中採用溶膠凝膠法制備了具有優良結晶性能的稀土離子tb及納米碳管摻雜的鈦酸鉛( pt )超細粉末和( 100 )取向生長的薄膜,並利用差熱分析、掃描電子顯微鏡、透射電子顯微鏡、 x射線衍射、熒光分析和介電常數等多種分析測試手段對摻雜后的pt薄膜及超細粉末的相結構、光學性能、結晶性能以及介電常數等進行了研究。
  6. The components and strcture of turquoise are studied deliberately through electron probe, x - rays powder diffraction and differential thermal analysis ( dta )

    通過電子探針分析、 x射線粉晶衍射和差熱分析對綠松石的成分和結構作了深入研究。
  7. Differential thermal analysis ( dta ) of starting powers and x - ray diffraction ( xrd ) of samples sintered at different temperatures from 600 c to 1300 c by hot pressing were utilized to analyse the phase composition

    採用原位熱壓燒結工藝,通過差熱分析和x衍射圖譜,分析了600 1300不同燒結溫度下燒結所得產物的相組成。
  8. The results show that v5 + whose valence changes is an acceptor impurity and after heat treatment especially at 655. the phenomenon is consistent with the result of the dta ( differential thermal analysis ). the result of dta indicates that v2o5 has a phase transformation absorption peak at 655 while the signal of esr of low valence of v ion is the strongest

    結果表明v離子是一種受主雜質,熱處理后,其價態產生了變化,尤其是在655熱處理時價態變化程度最明顯,與v2o5的差熱分析( dta )結果相吻合,差熱分析也顯示, v2o5在655存在一相變吸熱峰,此時樣品的低價態v離子的esr信號最強。
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