perovskite 中文意思是什麼

perovskite 解釋
鈣鈦礦
  1. More recently, the perovskite manganite compounds, la1 - xsrxmno3 have been used as the cathode of the solid oxide fuel cell ( sofc ) because of their electro - ion conductivity properties. in manganite perovskites, substitution of divalent ions ( alkaline earth metals viz

    近幾年來， la _ （ 1 - x ） sr _ xmno _ 3這類鈣鈦礦型結構的氧化物材料因為其具有混合電子-離子導電特性而被廣泛的應用於固體氧化物燃料電池陰極材料。
  2. The linear relationship between shock wave velocity d and particle velocity u of our samples were obtained : d = 3. 701 + 1. 527u there the unit of relocity is km / s. no phase transition shows for enstatite with perovskite structure according to the experimental linear d - u line up to 110gpa

    實驗結果表明，在80 115gpa壓力范圍內本文所用頑火輝石的沖擊波速度d與粒子速度u可用線性關系： d = 3 . 247 + 1 . 626u來描述。
  3. Considering that no phase transition of enstatite with perovslite structure were found during these static high pressure experiments, the consistence of the bulk modulus also supports that the high pressure phase of perovskite structure of enstatite is stability between 50 - 140gpa

    考慮到靜高壓下的數據是在實驗中未發現頑火輝石高壓相有相變的情況下得到的。因此，動高壓與靜高壓實驗數據的一致性支持了在80 ? 140gpa壓力內預火輝石的高壓相保持穩定的觀點。
  4. The effects of calcinations temperature and holding time on the perovskite phase of synthesized pmn - pt have been studied

    並研究了煅燒溫度及保溫時間對合成材料單相性的影響。
  5. Furthermore, we try to fabricate complex perovskite structure pmn - pt by the conventional mixed oxide, liquid phase inclosure technique and microwave calcinations method

    同時也對直接固相合成法、液相包裹體法及微波合成工藝進行了相應的比較和探討。
  6. More recently, the perovskite manganite compounds, a1 - xbxmno3 have received much attention because of their gigantic magnetoresistance ( gmr ) and charge ordering properties

    近幾年來，這類鈣鈦礦型結構的氧化物材料因為其具有的巨磁電阻效應受到了更多的關注。
  7. In recent years, the colossal magneto - resistance effect in rare - earth manganite perovskites of the type lni. xaxmno3 ( where ln is rear - earth irons la2 +, nd2 +, p2 + ; a is alkaline earth iron ca2 +, sr2 +, ba2 + ) has attract considerable attention in scientific studies due to its potential application. however, the poor temperature dependence of mr and the low - temperature mr effect and the ideal mr only in high field severely limit their practical utility. in this work, we prepared manganite perovskite lai - xsrxmno3 and soft - magnetic ferrite materials fe2o3 and ( ni, zn ) fe2o4 by using sol - gel method separately

    近些年來，人們發現在鈣鈦礦錳氧化物ln _ （ 1 - x ） axmno _ 3 （ ln為la ， nd ， pr等稀土金屬元素； a為ca ， sr ， ba等堿土金屬元素）中具有磁電阻（ magnetoresistance ）效應，由於它在磁記錄，磁傳感器方面具有廣泛的應用前景，同時也向傳統的磁記錄材料提出了挑戰，因而引起了物理學界的廣泛關注。
  8. The discovery of the colossal magnetoresistance ( cmr ) in hole - doped perovskite manganites ra1 - xmxmno3 ( ra is a trivalent rare - earth ion and m is a metal ion ) has attracted much attention since 1989 due to not only its technological applications in magnetic recording and sensor, but also the effect of the strong correlation concerning metal - insulator transition in the field of basic research. since then, several physics models have been suggested to explain the mechanism of cmr. however, the exact mechanism of cmr remains to be done

    自1989年在摻雜鈣鈦礦型錳氧化物ra _ （ 1 - x ） m _ xmno _ 3 （其中m為金屬離子， ra為三價稀土離子）中發現龐磁電阻（ cmr ）以來由於其在磁記錄、磁傳感器等方面潛在的應用前景，以及金屬?絕緣體相變等所涉及的強關聯效應，使該類化合物吸引了物理學界的廣泛注意。
  9. The 3d electrons increased with the content of mn doping increasing, and the electrical property increased accordingly as the electron transport path improved. it is confirmed that all the orthorhombic perovskite phase which is formed initially at the heat treatment temperature of about 600c and thoroughly above 850c are observed in the lcmto thin film deposited on si ( 100 ) substrate by rf magneto - controlled sputtering

    確認了採用射頻磁控濺射法于si （ 100 ）基板上生長的薄膜至多在600熱處理已開始形成晶相，形成的晶相全部是正交晶系鈣欽礦相，提高熱處理溫度，薄膜中晶相含量相對增大，高於850后晶相基本形成完畢。
  10. Among various fabrication techniques of thin film, the sol - gel process has gained much interest for the preparation of pzt thin film, due to ihe advantages of good homogeneity, easy control of composition, low in - ill i reaving temperature, easy formation of large area thin films pb ( zrxti : - k ) 0 :, ( pzt ) films were prepared on the ito coated glass plates and low resistor silicon wafer in sol - gel dip - coating process associated wi di heat treatment : at different temperatures and characterized by x - ray diffraction ( xrd ) and transmission electron microscopy ( tem ). lt is shown that the pzt ferroelectric thin films with ( 110 ) preferred orientation and well - crystallized perovskite structure can be obtained after annealing at 680 ? for 30 minutes on ito substrate and at 800 " c for lornin on silicon substrate

    Pzt的制備方法有很多，其中溶膠?凝膠（ sol - gel ）方法可以和集成電路（ ic ）光刻工藝相互兼容，處理溫度低，有大面積塗敷性能，能精確地控制組分，無需復雜的真空設備，成本低廉，所以對于集成鐵電薄膜電容的應用這種方法有很廣闊的前景。本文利用sol - gel技術在摻錫的in _ 2o _ 3透明導電薄膜（ ito ）襯底和低阻硅襯底上成功地制備了pzt鐵電薄膜。運用了x射線衍射， sawyer - tower電路和lcr電橋分別對薄膜的晶化溫度，結構和電學性能進行了測試。
  11. The main conclusions with innovative features acquired from the present work are as follows : ( 1 ) soft solution processing technique for preparing functional thin films was put forward and applied to preparing advanced inorganic functional thin films ; a series of molybdate and tungstate films with scheelite - type were prepared directly on metal substrates ( molybdenum and tungsten foils ) by using constant current electrochemical technique at room temperature ; a series of titanate thin films with perovskite - type were synthesized directly on titanium flakes by hydrothermal method in our country for the first time

    通過上述研究工作，得到了如下具有創新性研究成果： （ 1 ）首次在國內提出和運用軟溶液制備工藝技術進行無機功能薄膜材料的制備研究；首次在國內採用室溫恆電流電化學技術直接在金屬基底（鉬片和鎢四川大學博士學位論文片）制備了白鎢礦結構的鋁酸鹽、鎢酸鹽薄膜;首次在國內採用水熱合成技術在欽金屬片上直接沛叮備了鈣欽礦結構的欽酸鹽薄膜。
  12. For two hours show almost pure perovskite phase. the ceramic pellets have straw yellow luster at the edge of the ceramic pellets. the mechanic intensity of the ceramic pellets is rather high

    經xrd測量，發現經過1100 2h處理的片子幾乎為全鈣鈦礦相，而且機械強度高、陶瓷片邊緣有淡黃色光澤、機械強度較高。
  13. Selective oxidation of methane to synthesis gas using lattice oxygen from perovskite la0. 8sr0. 2feo3 catalyst

    3中的晶格氧用於甲烷選擇氧化制取合成氣
  14. 7 ) by using in - situ hydrothermal synthesis and sol - gel complex method a stoichiometry tetragonal perovskite pbti03 ceramic film was successfully prepared on tini substrate

    通過採用原位水熱solgel復合合成法，在tint基體上成功制備了結構較為緻密的pbtio 。
  15. Perovskite - type complex oxides of la1 - xsrxga1 - ymgyo3 compositions are characteristic of superior intermediate temperature oxide - ion conductivity and chemical stability, which are expected to be used in solid oxide fuel cells, sensors, electrocatalysis, membrane separators and membrane reactors. they have highly promising prospects in energy, metallurgy, chemical engineering and environmental protection, etc. in this dissertation, improved embeded sintering method has been employed to prepare la0. 8sr0. 2ga1 - ymgyo3 ( lsgm ) electrolyte, and the contributing factors to preparation, microstructure characteristics, conduction properties and thermology properties of lsgm electrolyte have been investigated

    鈣鈦礦結構la _ （ 1 - x ） sr _ xga _ （ 1 - y ） mg _ yo _ 3復合氧化物具有優異的中溫離子導電特性和化學穩定性，作為固體電解質可用於固體氧化物燃料電池、傳感器、電催化、膜分離和膜反應器等，在能源、冶金、化工、環保等領域具有廣泛的應用前景。
  16. The perovskite - type metal oxides supports and the corresponding supported pd catalyst were prepared by microwave, and characterized by xrd, sem and used in the direct synthesis of diphenyl carbonate ( dpc )

    摘要利用微波法制備了鈣鈦礦型復合氧化物載體及把負載鈣鈦礦型催化劑，用xrd和sem對載體及催化劑進行了表徵，並將微波法制備的催化劑用於一步氧化羰基化合成碳酸二苯酯（ dpc ）實驗。
  17. A study on acidolysis of perovskite by h2so

    4分解鈣鈦礦的研究
  18. The investigation of catalytic activity of la - sr - fe - co perovskite - type - oxide

    甲烷在鈣鈦礦型催化劑上脫硫脫氮的研究
  19. Powder x - ray ; phase transition ; perovskite ; catio

    粉晶x射線相轉變鈣鈦礦catio
  20. Structural and electromagnetic properties of double perovskite sr2 - xbax femoo

    6的結構和電磁性能研究
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