晶體分選 的英文怎麼說

中文拼音 [jīngfēnxuǎn]
晶體分選 英文
crystal sorting
  • : Ⅰ形容詞(光亮) brilliant; glittering Ⅱ名詞1. (水晶) quartz; (rock) crystal 2. (晶體) any crystalline substance
  • : 體構詞成分。
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ動詞1. (挑選) select; choose; pick 2. (選舉) elect Ⅱ名詞(挑選出來編在一起的作品) selections; anthology
  • 晶體 : [晶體學] crystal; vitrella; crystal body; crystalloid; x-tal
  1. Two strains of lab, one coccus and one bacillus which are the normal residents in intestinal tract and which could be the host bacteria, were respectively isolated from lab sanitarian products

    從乳酸菌保健離篩到兩株可以作為受菌株的乳酸菌,一株球菌和一株桿菌。
  2. Then the structure unit of hexangular lattice is found according to the principle of invariable symmetry. renormalization transformation is processed when we regard the structure unit and the growth model as graphs before and after transformation respectively. after choosing the 11 thermodynamic function fugacity as parameter, we can write out the partition functions before and after transformation and the formula of renormalization transformation

    然後根據對稱性不變的原則,從整格中取結構單元,把結構單元和生長模型別作為重整化變換前、后的圖形來進行重整化變換,取熱力學函數易逸度為參量,寫出了重整化變換前後的配函數和重整化變換關系式,求出了這一變換的不動點。
  3. 3. introduced the principle of phase - match and the optics characters of ktp 、 lbo and other nonliner crystrals, demonstrate the optimal focusing conditions. based on a detailed analysis, ktp and lbo are selected as shg and thg cystal, respectively

    3 .簡單介紹相位匹配原理和非線性擇介紹了一些紫外的光學特性,並闡述了光束的最佳聚焦條件,經過析和綜合評價,擇了ktp和lbo別作為倍頻及和頻
  4. Abstract : starting from the crystal structural characteristics and through the theoretical calculation of the chemical bonds of diasporite and kaolinite structures and the study of the flotability of the flotation systems of anionic collector ( sodium oleate ) and cationic collector ( dodecylamine ), the relationship between the crystal structural characteristics and the flotability of diasporite and kaolinite and the main causes for the difference in their flotability are analysed by the crystal chemical theory of minerals

    文摘:從一水硬鋁石和高嶺石的結構特徵出發,通過對一水硬鋁石和高嶺石結構中化學鍵的理論計算及陰離子捕收劑(油酸鈉) 、陽離子捕收劑(十二胺)浮系中可浮性的研究,採用礦物化學理論析了礦物結構特徵與可浮性之間的關系,以及產生一水硬鋁石和高嶺石可浮性差異的主要原因。
  5. The inperfect crystal structure and its analysis for materials, is an elective course for the master graduate student, which include the crystallology principle, development of crystal diffraction, crystal determination and computer simulation of new phase, analysis of solid solution and superstructure, correction of crystal structure and bondvalent theory, analysis of inperfect crystal structure, analysis of amorphous structure and so on

    材料不完整結構及其析方法,為材料科學及工程等專業碩士研究生的修課,內容包括學基礎、衍射技術最新進展、新相結構測定與數值模擬、固溶與超結構析、結構修正與價鍵理論、不完整結構析、非結構析等。
  6. Firstly, we analyze the character of nd : yag, bbo and lbo, for nd : yag crystal and select the nd : yag as the gain medium and lbo as doubling - frequency crystal. ln the theory, analyzing the parameter of the gain medium length, the ratio of the pump - and laser - beam waists. based on the above analysis, we design the resonance cavity

    首先,我們對增益介質的性質和非線性bbo和lbo的一些性質進行了比較,取nd : yag作為增益介質, lbo作為倍頻。理論上析了激光器設計中的一些參數值,如增益介質長度、模式交疊率、最佳倍頻條件,並根據理論析結果設計了諧振腔。
  7. The stability output second harmonic generation ( shg ) experiment results of single - longitudinal mode and multi - longitudinal mode with long cavity were explained reasonably with these rate equations. the high polarization of fundamental wave in the isotropic laser media nd : yag with type - i critical phase - matching lbo was studied with the rate equations including polarization of fundamental light. using the polarization function of lbo, a quartz full - wave plate was introduced into the cavity, a kind of birefringent filter by considering the combination of the polarization function of the type - i critical phase - matching doubling frequency crystal lbo and the quartz whole - wave plate was constructed

    將腔內多縱模倍頻速率方程推廣應用到準三能級藍光激光器中,析了一個縱模、兩個縱模、多個縱模時的噪聲情況,合理地解釋了實驗中激光器單縱模運轉以及長腔多縱模運轉時穩定輸出的實驗現象,同時利用該速率方程析了以各向同性激光nd : yag為工作物質,類臨界相位匹配lbo為倍頻的藍光激光器中基頻光偏振特性,合理利用類臨界相位匹配lbo倍頻的偏振特性與引入的石英全波片構成雙折射濾光片,通過單頻來抑制噪聲,獲得了藍光低噪聲的穩定輸出。
  8. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度別是13 . 045mm和0 . 148mw / pm 。
  9. Based on the analysis of transistor amplifier noise model, we select devices with low noise in reason. and the method how to reduce phase noise and phase jitter is also discussed

    依據管放大器的噪聲模型析合理擇了低噪聲的元器件,對降低相位噪聲和相位抖動的方法作了一些探討。
  10. For a cubic crystal of 1cm 1cm 1cm, the horizontal and vertical selective angles are 0. 008 and 0. 41 respectively. so the system is capable of storing 10000 holograms. we also have made an off - line heater and an on - line heater, both of which are controlled by a temperature controller ( model eurotherm )

    對于邊長為1cm的立方,復用系統在水平方向和垂直方向上的擇角別為0 . 008和0 . 41 ,能夠存儲10000幅數據頁;復位裝置的角度復位精度優於0 . 001 ;溫控加熱裝置的控溫精度為0 . 1 。
  11. The ordinary crystal impedance instrument is to choose the different products

    一般的阻抗計沒有頻率的功能。
  12. By using singlechip, it will reduce the extension function of the impedance instrument, and find the cheap and applicable choosing instruments, which will meet the needs of the production process

    使用單片機對阻抗計的功能進行擴充,可以構成廉價實用的設備,滿足生產過程的需要。
  13. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求,課題期間研製了下位機系統硬和軟,開發了上位機監控軟,其中所作的具工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方法來進行水位測量,別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法;主控元的擇,我們用了高集成度的混合信號系統級元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16位模數轉換元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;精確時鐘元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟中對時序的模擬,該元的應用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部的實現是通過採用ad421元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  14. The first step is to select the proper biometric features, and the fingerprint and facial are chosen. then the second step is to select the ic type, through analysis, philips p8rf5016 is chosen. based on security analysis, the basic structure and main function of the passport system are designed

    論文首先對生物特徵技術的性能進行了析,然後擇了指紋和面像技術作為電子護照的應用,其次是進行ic元的型,通過析,擇了philipsp8rf5016元,第三對系統進行了安全析,針對安全析,進行了系統的總設計,包括系統的基本構成,主要功能和各部功能的確定等等。
  15. Samples with various compositions were prepared through different calcined temperature, sinter temperature and different maintained time at sinter temperature. the structure, density, shrinkage, and piezoelectric properties were investigated

    取部組成點,採用不同的預合成溫度、燒結溫度和保溫時間制各樣品,測試各樣品的結構、積密度、線收縮率和壓電性能。
  16. The acrystalliferous and plasmid - free derivatives of bacillus thuringiensis were screened with ethidium bromide treatment, elevating growth temperature from 42 to 44 then to 46 by degrees, and treating it with 0. 05 % sodium docecyl sulphate ( sds ) as the plasmid - curing agent at 46

    別用溴化乙錠誘變處理、逐級升溫培養以及用sds處理等三種方法對蘇雲金芽胞桿菌無( cry ~ - )和無質粒突變株進行了篩研究。
  17. The integral structure of system are analyzed, and a scheme based on dsps processing board + mcu control board are put forward firstly, following design difficulties and relevant measures. every modules of dsps board are described in details, including chips selection, implementation manners choice, interface and time sequence match and etc. compared otsu single threshold segmentation with multi - threshold segmentations, the latter are preferred to perform the object identification in hardware designed by author. combined to like background rejection, morphology expansion and etc. steps, the paper gets the length of queue ; finally, a - b united control and area united control based on can bus are designed

    首先析了系統的總結構,提出了一種基於dsps處理板+單片機控制板的信號機實現方案;在此基礎上,重點介紹了處理板模塊化的硬電路設計,其中考慮了元的型、實現方式的擇、工作機制、時序匹配等問題;之後,析了otsu單閾值目標識別和多閾值目標識別的效果,重點擇後者在硬電路板內對圖像進行了目標識別的演算法處理,結合背景的剔除、形態學膨脹等幾個減小誤差的措施,對車輛排隊長度進行了較為精確的提取;最後在控制板上完成了干線a - b信號聯動控制和基於can總線的區域聯網控制的通訊方案設計。
  18. Majumdar envisions nanofluidic transistors that could rapidly sort the slew of molecules in cells by their mass and charge, thereby helping to purify dna for sequencing or look for markers of disease

    馬強達希望,未來奈米流可依照質量和電荷快速區大量子,進而協助篩dna ,以便定序或尋找某種疾病的特徵。
  19. The optimal length of crystal was achieved for the characteristics of quasi - three - level. three types of crystal were compared, we select lbo as the main frequency doubler. meanwhile, the other strong spectrum were restrained by suitable coating

    從激光的準三能級特性出發,充考慮增益與損耗之間的矛盾,擇出最佳長度;對三種倍頻進行了比較,擇出lbo作為主要倍頻;對膜系進行了必要的析,在維持946nm譜線振蕩的同時,充考慮了其它激光譜線的抑制。
  20. First, the paper researchs the spice simulation of single electron transistor based on curve approach and quasi - analytical model of single electron transisor, and simulate characteristic of single electon transistor with matlab tool. secondly, the paper combine spice simulation program with master equation of single electron transistor, put forward novel spice simulation method of single electron transistor based on master equation, by choose master state of single electron transistor and build master equation of single electron transistor, afterward gain nonlinear cortrolled source of spice model of single electron transistor by solve the master equation of single electron transistor and simulate v - i characteristic of single electon transistor by spice program, it ’ s result prove the method is availability precision comparing with master equation method

    然後在此基礎上提出了基於主方程法單電子管spice模擬新方法,本論文結合當前電路模擬軟spice程序和單電子管主方程模擬演算法,通過擇單電子島電子數的主要狀態,建立單電子管主方程,然後求解主方程,求得單電子管spice等效模型的受控源的非線性函數,然後利用集成電路輔助析軟spice的abm (模擬行為建模)建立單電子管( set ) spice等效模型,利用set的等效模型對單電子管v - i特性進行模擬,實驗證明此方法與直接解主方程法相比具有一定的精度。
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