速度譜儀 的英文怎麼說

中文拼音 []
速度譜儀 英文
velocity spectrograph
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ名詞[書面語]1 (按類別或系統編成的書或冊子等) table; chart; register 2 (指導練習的格式或圖形)...
  • : 名詞1 (人的外表) appearance; bearing 2 (禮節; 儀式) ceremony; rite 3 (禮物)present; gift 4 ...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. Equipment and instruments : electronic analytic balance, uv and vis spectrophotometer, 97rt fluorescence spectrophotometer, gas chromatograph spectrometer, high speed centrifugal machines, leica rm 2015 microtome, fluorescence microscopes, pcr amplifier, and so on

    :電子分析天平、紫外可見光分光光計、 97rt熒光分光光計、氣相色(附4種檢測器) 、高離心機、病理切片機、熒光顯微鏡、 pcr擴增等。
  2. In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased

    同時採用有機硅單體延遲滴加及添加水解抑制劑等技術,有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合過程中的過渡水解及縮合反應,提高了聚合物大分子鏈中有機硅鏈節的含量;利用紅外光與差示掃描量熱對產物分子結構進行了表徵,並通過對共聚產物力學和吸水率的測試,證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有比純丙烯酸酯聚合物更優良的力學及耐水性能;從分子設計角出發,利用醇解反應合成出水解、縮合反應率較慢的兩種新型不飽和有機硅單體: ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷;利用核磁共振對新型硅烷單體結構進行了證實;研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液,且其聚合產物具有較高的力學及耐水性能。
  3. The composite roll of high speed steel has the synthetical life of over ten times more than traditional high cr cast iron roll. now the research and production of the high speed steel for roll are very drastic. in this thesis, the microstructure, heat treatment and performance of high speed steel fe - 2 % c - 4 % v - 4 % mo - 5 % cr - x % w ( wt ) are studied systematically by using metallograph, method of lattice, xrd, sem, eds and hardness

    本文利用金相法(包括黑白金相和彩色金相) 、 x射線衍射( xrd ) 、掃描電子顯微鏡( sem ) 、能( eds )及洛氏硬分析等手段,對復合軋輥用高鋼fe - 2 c - 4 v - 4 mo - 5 cr - x w (其它部分如未作特殊註明均為質量分數)合金系的顯微組織、熱處理工藝及性能進行了系統地分析。
  4. Compared with the traditional spectrometer, the resolution ratio of the portable spectrometer is relatively lower, but it may be widely applied to a lot of fields, such as measurement and controlling

    盡管與傳統光相比,便攜式光的解析較低,但由於其體較小、重量輕、探測快以及使用方便等優點而有可能廣泛應用於許多測量和控制等領域。
  5. I designed both hardware and software to develop the multi - channel analyzer, of which the key is the pc / 104 embedded computer. in a word, it has five traits as follows : ( 1 ) the key of apparatus is the pc / 104 embedded computer ; ( 2 ) on the hardware, we introduce the high - speed a / d conversion component - max191 to improve the mca ' s conversion speed and meet the demand on the spot ; ( 3 ) adopting high frequency module of electrical source to reduce its volume. ( 4 ) the mca consumes low power no more than 3. 9 watt

    以國土資源部項目為依託,以pc 104嵌入式微機為平臺,完成了小型、低功耗能採集系統,特點是: ( 1 )以pc 104嵌入式微機為平臺,實現了採集系統微機化; ( 2 )採用高低功耗a d器件maxl91 ,與現有的mca相比,提高了轉換,降低了mca的功耗; ( 3 )採用高頻模塊電源,減小了採集系統的體積; ( 4 )整機功耗低,小於3 . 9w ; ( 5 )器重量輕。
  6. The acceleration time process of road surface plainness is got by using two integral calculus of the acceleration time process which is measured by five - wheel equipments. this data is worked as the input of the road surface for theoretical calculation. the result of experiments mostly fits that of calculation, and then the multiple - acceleration power spectrum distribution of the artillery and tractor are acquired

    在瀝青路面、破損鋪磚路和砂石路面上以不同進行了平穩隨機激勵牽引試驗,用五輪測量得到的加時間歷程進行兩次積分的方法得到路面不平的時間歷程做為路面輸入進行對應的理論計算,試驗結果和計算結果基本相符,得到了火炮和牽引車多個加功率分佈。
  7. Prepared technical parameters were optimized by l9 ( 34 ) experiment analysis. a unique method for cleaning and drying of substrate - cleaning used by scour, drying used by infrared light was fished out by large numbers of experiment. chemical mechnism of zno thin film prepared by sol - gel technique was discussed by dta for the first time. by the measurements of sem, xrd and uvs, the thin film was analysed. the result proved that the thin film with strongly preferred orientation of c - axis perpendicular to the substrate surface which surface was homogenous, dense and crackfree was the crystalline phase of hexagonal wurtzite. the thin film was composed of plentiful asteroidal crystal which crystal dimension approximately 10 30nm. the average transmittance of thin film in visible region was above 90 %. the results of measurements else also proved that the thickness of single dip - coating was 75 240nm, this films resistivity was found to be 3. 105 102 3. 96 105 ? cm. the thickness and resistivity of thin film influenced by dope - content, withdrawal speed, pre - heat - treatment, anealing were reseached respectively

    利用xrd 、 sem以及uvs光等分析方法對薄膜進行了研究,結果顯示,所制備的薄膜為六方纖鋅礦型結構,具有高c軸擇優取向性;表面均勻、緻密,薄膜材料由許多星狀晶粒組成,晶粒尺寸大約為10 - 30nm左右;薄膜可見光透過率平均可達90 % ;對薄膜厚以及電學性能進行了測定后發現:單次鍍膜厚約為75 - 240nm , al ~ ( 3 + )離子摻雜型氧化鋅薄膜的電阻率在3 . 015 102 - 3 . 96 103 ? cm范圍內;分別研究了摻雜濃、提拉、預燒溫、退火溫等工藝參數對薄膜厚和電阻率的影響。
  8. In this paper, germanium concentration in ge - dopped silicon bulk single crystals was measured by the methods of indution couple plasma ( icp ) direct reading spectrometer, sims, sem - edx, and the effective segregation coefficent of germanium under the situation of the changed speed was calculated, the result was 0. 62. according to the result, the curves of different ge concentrations were got

    本論文利用二次離子質( sims ) 、化學分析法(電感耦合等離子體( icp )直讀光) 、掃描電鏡能( sem - edx )三種方法對不同摻鍺濃的czsige單晶中鍺含量進行了測試,並對變拉晶條件下鍺的有效分凝系數進行了計算,得出鍺的有效分凝系數( ke )為0 . 62 。
  9. The reason was that pma was linear polymer and that the incompatibility of pdms and pma leaded microphase separation. additional, xps analyzed the three kinds of elements in surface and interior of ipn, the results indicated that the content of the elements c, si and 0 were misdistribution and different in surface as well as in interior of ipn. the reason was the poor compatibility of pdms and pma, and found that amount of initiator and the reaction rate effected the distribution

    另外,本論文還通過xps電子能對工pn材料的表層和內層的化學元素c 、 51 、 o進行分析,發現表層與內層中的三種元素的含量並不相同,也沒有規律可循,說明在形成ipn結構過程中,由於兩相相容性不一致,它們的微運動趨向于兩相分離,同時發現引發劑用量和反應對元素分佈影響較大。
  10. The tungsten oxide films with catalyst by two methods were characterized by x - diffractometer, tunnel scan - atomic force microscope, ft - ir, double - beam uv - vis - nir spectrophotometer and speediness volt - ampere cycle meter. as results of x - diffractometer, pt / wo3 sputtered film samples are crystal when annealed at 400 with distinct diffractive acuti - apices

    本文分別用x衍射、隧道-原子力顯微鏡、傅立葉變換紅外光、雙束紫外可見分光光計、快伏安循環法等表徵了用以上兩種方法制備的三氧化鎢摻雜薄膜。
  11. The long period attenuation relationship of acceleration response spectrum is developed using this database. the short - period attenuation equation is developed by using the analog strong motion records of western north america. by connecting the short period and the long period attenuation relationships together, the wide period ( 7 " = 0. 04 - 20sec ) attenuation relationships for horizontal acceleration response spectrum of western north america are obtained

    與用模擬式強震記錄所得出的美國西部地區短周期( t = 0 . 04s - 4s )加反應衰減關系結合,得出了美國西部地區水平向基巖寬周期( t = 0 . 04 - 20s )加反應衰減關系。
  12. In large rotating machinery using filmatic bearing ( turbogenerator, air compressor, etc. ) there is a potential trouble from impefect installation or running conditions, a metals " contact between rotors and shells. the trouble is usully called rubbing. the advantage of ae technologe in the rubbing diagnosis and early detection is showed. instead of classical ae characteristic parameters ( counts, amplitude, energy, duration and the other ones ) a new feature extraction by frequency analysis of ae envelop signals is discussed. both research of ae process and field experements indicate that periodic components in the envelop spectrum related to rotational speed increase evidently at the beginning of rubbing production, hence are highly sensitive to the rubbing fault diagnosis. according to the new design an acoustic emission equipment for the rubbing diagnosis named buaa ae testing system is developed and described

    汽輪發電機、空氣壓縮機等採用油膜支撐的大型轉動機械,由於安裝或運行中的原因,在轉子旋轉過程中,可能和器壁發生輕微的摩擦和碰擊,簡稱碰摩.聲發射技術在碰摩發生特別是故障早期診斷上有優越性.本系統的特點是沒有沿用傳統的計數、幅、能量和持續時間等聲發射特性參數,而是在聲發射包絡信號的頻率分析中進行特徵提取.聲發射發生的過程分析和現場試驗都表明這種方法對碰摩檢測很敏感,在碰摩發生的起始階段,包絡中與轉同步的周期性分量顯著增加.根據這種新的設計思想自行研製了buaa碰摩聲發射檢測並對此作了介紹
  13. The pellet was studied and analyzed by x - ray fluorescence spectrometer, and the working conditions were optimized. the method is fast and precise, and meets the requirement

    摘要本文使用國產能量色散x射線熒光光對分析球團礦進行了方法試驗研究,建立了適當的工作條件,經試驗,該方法快,精密滿足使用要求。
  14. The reliability of the observation data in long period range is particularly inspected. this is done " by verifying the instrument response characteristic, examining the signal - to - noise ratio, comparing the recovered ground motions and response spectra from the velocity type and acceleration type digital broad - band records

    對于型和加型的數字寬頻帶記錄,從器特性、恢復的地面運動對比、信噪比研究、反應對比等方面研究這類記錄在長周期段的可靠性。
  15. The chemical composition of stainless steel thin plats was determinated rapidly by direct reading spectrometer after optimizing analytic parameters. the accuracy and precision of the results are high

    摘要利用直讀光,優化各種分析參數,快分析不銹鋼薄板或薄帶的化學成分,其精密和準確較好。
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