激光基質材料 的英文怎麼說

中文拼音 [guāngzhícáiliào]
激光基質材料 英文
laser host material
  • : Ⅰ動詞1 (水因受到阻礙或震蕩而向上涌) swash; surge; dash 2 (冷水突然刺激身體使得病) fall ill fr...
  • : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
  • : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
  • : 名詞1 (木料) timber 2 (泛指可以直接製成成品的東西; 材料) material 3 (供寫作或參考的資料) ma...
  • : 名詞1 (材料; 原料) material; stuff 2 (喂牲口用的穀物) feed; fodder 3 (料器) glassware 4 (...
  • 激光 : [物理學] laser 激光靶 laser target; 激光報警器 laser avoidance device; 激光玻璃纖維 laser fibre; ...
  • 材料 : 1. (原料) material 2. (資料) data; material 3. (適于做某種事的人才) makings; stuff
  1. It focuses on the theory of the mineral functional materials " improving the anti - chloride permeability and the chloride binding. the main achievements of this article include : 1 ) use the technology of xrd, sem, bet, laser particle size distributor etc to test the component, the construction, particle size distributor, specific surface etc of micro - silica, ultra - fined slag, high quality fly ash, meta - kaolin clay, four types of the mineral functional material, theoretically analysis the functions which the four mineral functional minerals act on cement concrete, namely pozzolanicity effect, filling effect, micro - aggregate effect, surface adsorption effect and so bring into play the affect of plastification, lowing of temperature, reinforcement, improvement of durability. base on this analysis we can conclude that the proper diameter of the mineral functional material is 5 m - 15 m, that is blain fineness 4500cm2 / g - 7500cm2 / g

    本論文的主要成果包括以下幾個方面: ( 1 )採用xrd 、 sem 、 bet 、粒度分析儀等多種測試手段,探明了以硅灰,超細磨粒化高爐礦渣,優粉煤灰及偏高嶺土超細粉等4種超細礦物功能的組成、結構、粒度分佈、比表面積等本性;從理論上分析了礦物功能在混凝土中的4種效應,即火山灰效應、填充密實效應、微集效應、表面吸附效應,並由此發揮出增塑、溫峰削減(降熱) ,增強及耐久性改善等作用;通過相關理論分析,推導出礦物功能的合理粒徑范圍在5 m 15 m ,即勃氏比表面積為4500cm ~ 2 g 7500cm ~ 2 g 。
  2. Raw materials for laser crystalloid, special electronics and pharmaceutical intermediate

    晶體用,特殊電子化學品,醫藥中間體。
  3. The high - power semiconductor quantum well ( qw ) laser is a kind of luminescence device with superior performance, it has longe - lived, low threshold current density, high efficiency, high luminosity and excellent monochromatic, coherence, directionality, etc. the high - power semiconductor laser is widely applied to the fields, such as military, industrial machining, communication, information processing, medical treatment, etc. the material ' s epitaxy is the foundation of the whole laser ' s fabricating, and it has important influence on the optics and electricity performance about the laser

    大功率半導體量子阱器是一種性能優越的發器件,具有壽命長、閾值電流密度低、效率高、亮度高以及良好的單色性、相干性、方向性等特點,廣泛應用於軍事、工業加工、通信及信息處理、醫療保健等領域。的外延生長是整個器器件製作的礎,對器件的學和電學性能有著重要的影響,生長不出優體系,獲得高性能的器件就無從談起,因此,的外延生長便成為了整個半導體器製作過程之中的重中之重。
  4. We have prepared a series of neodymium binary / ternary complexes, such as nd ( acac ) 3 ' 2h2o, nd ( tfa ) 3 ' 2h2o, nd ( hfa ) 3 ' 2h2o, nd ( dbm ) 3 ' h2o, nd ( acac ) 3phen, nd ( tfa ) 3phen, nd ( hfa ) 3phen, nd ( dbm ) 3phen, nd ( tta ) 3 ( tppo ) 2, nd ( hfa ) 3 ( tppo ) 2, nd ( acac ) 4hpy, nd ( tta ) 4hpy and ndq3. the effects of organic ligands, synergistic coordination agents and different substitution groups for - diketones on effective line width and photoluminescence intensity of neodymium complexes were investigated. the photoluminescence spectra indicate that synergistic coordination agents can shield neodymium ion and impede water molecules penetrating into inner coordination shell to satisfy large coordination number of nd3 + during hydrous synthesis process, so the luminescence intensity of neodymium ternary complexes is stronger than that of neodymium binary complexes

    譜研究表明,由於協同試劑的參與,屏蔽了水分子參與配位,降低了羥( oh )對釹離子發態能級~ 4f _ ( 3 2 )的猝滅,三元配合物的熒強度均比二元配合物強,其中配合物nd ( tta ) _ 3 ( tppo ) _ 2在1340nm處的熒強度最強,適合作為摻雜的學活性物,來制備有源波導;在有水工藝條件下,單純地氟化配體未必能提高釹配合物的近紅外發性能。
  5. The main contents and important results of this paper are as following : strong blue cooperative up - conversion luminescence is observed in various host materials single doped yb3 + ions with naked eyes at room temperature under 980nm excitation. moreover there exist rich emission lines and peculiar ratio of luminescence intensity in all samples. intense green and blue up - converted luminescence is observed in yb3 + - ho3 + co - doped pbf2 - znf2 based materials with 930 nm diode light excitation at room temperature

    其主要內容與得到的結論如下: ( 1 ) yb ~ ( 3 + )單摻雜不同組成的氟氧化物在980nm發下發射出明亮的yb ~ ( 3 + )離子的合作上轉換藍色熒,同時這些樣品具有極為豐富的熒發射,有著特別的色比關系。
  6. The researching work include three aspects : 1 ) after selecting primary material system, the polymer coating process were optimized. the polymer - coated high - temperature alloy powder has been developed on the basis. 2 ) based on sintering and orthogonal experiments, the influence of the prototyping elements on prototyping properties have been initially studied, and the optimal prototyping parameters of this material has been obtained finally

    本文主要研究內容為: ( 1 )選擇合適的包覆體系,對鉬粉的包覆工藝進行了優化實驗,在此礎上開發了適合於燒結成型用覆膜高溫合金粉末; ( 2 )通過燒結成型實驗,運用正交實驗方法,系統地研究了燒結工藝參數對成型量的影響關系,在此礎上確定了覆膜高溫合金粉末最佳燒結成型工藝參數; ( 3 )對成型件進行了后處理工藝實驗,得到了優化的后處理工藝規程,並製作了合格的后處理樣件。
  7. Yttrium aluminum garnet ( y3al5o12, yag ) is not only a very important laser material, but also a high - temperature structural material and a fluorescence material. in this paper, the discussions are mainly focused on the synthesis of yag powders by co - precipitation method, self - propagating high - temperature synthesis and mixed method, powder ' s property, etc. in the co - precipitation method, the precursor was produced by adding a mixed a1 ( no3 ) 3 and y ( no3 ) 3 solution to nh4hco3 solution. yag can be obtained by heating the precursor at looo ' c for 5 hours without the formation of yam and yap transition phase

    釔鋁石榴石( y _ 3al _ 5o _ 12 ,簡稱yag )是一種重要的激光基質材料,同時它還作為高溫和熒得到了廣泛的應用,本文主要討論了化學共沉法、燃燒法制備yag的超微粉的工藝,並對yag超微粉的性能及物相進行了分析;採用固相合成法制備了ca , ca : yag系列陶瓷,並對其結構和性能進行了討論。
  8. Abstract : based on the ahievement of epitaxial growth in several perovskite oxide films, we discuss the importance of substrate temperature ( ts ) and substrate material in the epitaxial growth of perovskite oxide thin films. influences of ts on growth orientation and epitaxial threshold temperature were observed. the results indicate that during the growth of the oxide films the phase formation and growth dynamics should be taken into consideration. the threshold temperature for epitaxial growth depends on the substrate materials. this demonstrates the influence of substrate material on the initial nucleation and epitaxial growth

    文摘:在成功地外延生長超導、鐵電、鐵磁等多種性的鈣鈦礦結構氧化物薄膜的礎上,討論影響氧化物薄膜外延生長的一些因素.考慮到相形成和薄膜生長動力學,在利用脈沖淀積法外延生長氧化物薄膜中襯底溫度是十分重要的工藝參數.襯底溫度對成相和生長薄膜的取向都有影響.考慮到薄膜是首先在襯底表面成核、成相併生長.因此襯底晶格的影響是不容忽視的.觀察到襯底對薄膜外延生長溫度的影響.在適當的工藝條件下,利用低溫三步法工藝制備得到有很強織構的外延薄膜.這突出表明界面層的相互作用對鈣鈦礦結構薄膜的取向有著相當大的影響
  9. The aluminates are used as the base and the rare earth materials are used as the luminescence center and trap center. the excitation resource can be visible light and man - made light

    它以鋁酸鹽陶瓷,以稀土作為摻雜元素形成發中心和陷阱中心,源可以為目或人造源。
  10. Nevertheless, new modified polymers have been obtained recently with thresholds of damage by laser radiation as high as those of the inorganic materials, and with higher stabilities than those of the silica gels under the same experimental conditions

    近來研究較多的是玻璃無機有機復合,通過溶膠?凝膠法,將有機均勻地摻入固態中,再利用適當的有機改性,就能有效提高各方面的性能。
  11. In this paper dyes doped silica gels were prepared by sol - gel method in order to find the relationship between the character and the structure of the composite. techniques and theories will be attributed to the fabricating the excellent solid tunable dye lasers material

    本文是利用溶膠-凝膠工藝將有機染均勻摻入到二氧化硅凝膠,以研究復合的組成、結構和性能間的相關規律,為制備性能優異的固體可調諧染器提供理論依據和工藝條件。
  12. The aluminates are used as the base and the rare earth materials are used as the luminescence center and trap center. the excitation resource can be visible light and man - made light, so this type of long persistent phosphor has the advantages of no - radiation and no need of electricity

    它以鋁酸鹽陶瓷,以稀土作為摻雜元素形成發中心和陷阱中心,發源可以為日或人造源,無污染,不消耗電能,是一種高效節能的固體發顯示
  13. In this paper, firstly, monolithic materials cosb3 and bi2te3 were prepared by sparkle plasma sintering ( sps ) respectively, and at the same time the microstructure of cosb3 and bi2te3 were studied by sem ; the seebeck coefficients and electrical conductivities of monolithic materials were measured by standard - four - probe method ( ulvac zem - 700 ) in a he atmosphere simultaneously, and their thermal conductivities were investigated by laser flash method ( tc - 7000 ) in vacuum. secondly, the junction temperature of graded bi2te3 / cosb3 thermoelectric materials was optimized based on the thermoelectric transport properties of monolithic materials, also when graded materials were used in the temperature difference ranging from 300k to 800k, the length ratio of monolithic materials cosb3 and bi2te3 were optimized in theory. thirdly, graded bi2te3 / cosb3 thermoelectric materials were prepared by two - step sps sintering, and the relationship between its average seebeck coefficients and temperature were calculated by theory mo del

    cosb _ 3和bi _ 2te _ 3的電導率和seebeck系數採用標準四端子法于he氣氛下在zem - 1上同時進行測量;熱導率採用微擾法( tc - 7000 )于真空狀態下進行測量;其次,在對均cosb _ 3和bi _ 2te _ 3熱電傳輸特性研究的礎上,對結構梯度bi _ 2te _ 3 cosb _ 3熱電的界面溫度進行了優化;為了使結構梯度bi _ 2te _ 3 cosb _ 3熱電在300k至800k的溫度范圍內具有最佳的熱電性能,本研究同時對梯度結構熱電當中均cosb _ 3和bi _ 2te _ 3的長度進行了優化設計;第三,通過兩步放電等離子燒結的方法制備出了結構梯度bi _ 2te _ 3 cosb _ 3熱電;採用理論計算的方法研究了梯度結構熱電平均seebeck系數和溫度的關系;同時為了驗證設計的結果,本論文對結構梯度bi _ 2te _ 3 cosb _ 3熱電的開路輸出電壓和熱端溫度之間的關系及梯度在300k至800k的溫度范圍內使用時的功率輸出進行了相應的研究。
  14. Abstract : ferroelectric based nanocomposites are a new class of mesoscale functional materials which have a high dielectric constant and high electric field. recent progress in this research area is reviewed briefly, and a novel ferroelectric composite with embedded semiconductor quantum dots, including its preparation and optical properties, is reported. this material has promising applications in new electroluminescent devices and quantum dot lasers

    文摘:鐵電體納米復合作為一類新型功能,提供了一系列「高介-高場」調制的介觀系統.文章介紹了這一領域的最新研究進展,並重點報道了一類新型鐵電體納米復合鐵電體半導體量子點復合的制備與學性,該在新型電致發元件及量子點器件中有著很好的應用前景
  15. We prepared amorphous zn0. 3 al0. 25 pbo. 3 li0. 098 ybo. i tmo. 002 f2. 354 and zn0. 3 al0. 25 pbo. 3 li0. 09 ybo. i er0. 01 f2. 37 materials by pulsed laser deposition, investigated the origins of enhancement of ultraviolet and violet upconversion and built the relations between ultraviolet ( or violet ) upconversion and the judd - ofelt parameters. in addition, ultraviolet and blue upconversion stimulated emissions from zn0. 3 alo. 25 pb0. 3 li0. 098 yb0. 1 tm0. 002 f2. 354 powder were observed

    在成功地制備出優異的紫色和紫外上轉換礎上,不僅研究了的紫外上轉換受發射性,而且還探討了紫色和紫外上轉換發性能和結構的相關性,建立了紫色和紫外上轉換發性能和judd - offelt參數的關系。
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