結焦時間 的英文怎麼說

中文拼音 [jiējiāoshíjiān]
結焦時間 英文
coking time
  • 結 : 結動詞（長出果實或種子） bear （fruit）; form （seed）
  • 焦 : Ⅰ形容詞1 （物體受熱失去水分 呈現黃黑色並發硬、發脆） burnt; scorched; charred 2 （著急） worried;...
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  1. 4, single focuse the single head : is single for single laser head that panasonic lead off to adopt to focuse the double the laser beam for focusing ordering the project, he adopting the special whole synthesizing lens, passing lens in the center part ofly the focusing of formation cd the point, and pass the anastigmatic laser beam of part edge the formation the focusing of dvd the point, this kind of construction because of have no the machining to spread to move, and also can t produce the mechanical trouble, therefore increased to recognize the dish the speed, and however and also lowered the cost. but adoption this project of generation is with part of the next generation dvd nonsupports cdr

    4單聚焦單鏡頭：為panasonic率先採用的單激光頭單聚焦鏡雙聚焦點方案，他採用特別的全息綜合透鏡，通過透鏡中間部分的激光束形成cd的聚焦點，通過透鏡邊緣部分的激光束形成dvd的聚焦點，這種結構由於沒有機械傳動，也不會產生機械故障，所以提高了認盤速度，不過同時也降低了成本。但採用此方案的第一代和部分第二代dvd不支持cdr 。
  2. Forty - three undergraduates are included in the training group, who are pre - tested, after - tested and in follow - up survey with diflerenlial loneliness scale, interaction anxiousness scale, texas social behavior inventory and beck depression inventory. forty - two undergraduates are included in the control group, who are pre - tested and in follow - up survey with the same scales. the results suggested that ( 1 ) group guiding is an effective and practical method to improve the undergraduates " emotional state and emotion adjustment ability ; ( 2 ) group guiding with a series of psychological training courses has significant effects in improving emotional state and emotion adjustment ability for a short term and a long term ; ( 3 ) interaction anxiousness scale, texas social behavior inventory and beck depression inventory " are good scales in evaluating emotional state. ; ( 4 ) the series of psychological training courses still need further developing and improving

    採用訓練組與控制組對照，訓練組前測、后測、追蹤和控制組前測、追蹤的時間序列設計，通過設計一套有關情緒的心理訓練課程，對43名大學生分組進行心理訓練，結果發現： 1 ）團體心理指導是改善大學生情緒狀態和提升情緒調節能力的一條可行而有效的途徑，且值得嘗試和推廣； 2 ）情緒團體心理指導訓練對改善大學生情緒狀態和提升情緒調節能力具有良好的短期效果和長期效果； 3 ）交往焦慮量表、德克薩斯社會行為問卷、 beck抑鬱問卷是良好的情緒評估的客觀量化指標； 4 ）情緒訓練課程有待于進一步發展與完善。
  3. 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選取依據，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晶盒，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：當激光晶體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分別是13 . 045mm和0 . 148mw / pm 。
  4. The common path defocusing 4f shearing interferometer in the system was constructed, which is fit for the dense plasma measurement. the advantages of this system consist in its stability and easy adjustment as the common path system and respective adjustability of shearing amount and stripe spatial frequency as m - z interferometer as well

    設計了基於共光路結構的離焦4f剪切差分干涉儀，該干涉儀同時具有m - z型干涉儀的剪切量和條紋空間頻率分別可調的優點以及共光路結構的穩定性和易於調節的優點，使得在稠密等離子體的測量中，系統參數可以兼顧小的剪切量和大的條紋空間頻率。
  5. The edc cracking reaction rate is higher in the wall zone and reaches a maximum at 0. 3 of dimensionless length of reactor coil

    表明確定最優的爐管管徑時必須考慮提高裂解速率與降低結焦速率之間的平衡。
  6. To deal with the case of 2 dimension spatial self - focusing, it predicts the catastrophic collapse of a self - focusing beam in a kerr medium. this un - physical collapse is due to the invalidity of the paraxial wave equation in the neighborhood of a self - focus

    在該理論應用於空間二維的自聚焦時，出現了光束將無限聚焦的結果，這在物理上是不可想像的，原因是在自聚焦點附近傍軸方程已經失效了。
  7. At that time, cytosolic fluorescence intensity decreased to normal level, which shows that most of cells get through the gl / s point and enter the log phase. when cultured in medium that neucl was omitted, most of the cells were synchronized at gl stage of cell cycle. with flow cytometry, we found that cytosolic cam content of gl cells was higher than that of normal cells at log stage

    在激光掃描共聚焦顯微鏡下觀察不同周期時相裂殖酵母細胞中cam的濃度及分佈變化，結果表明，分裂期細胞總體熒光強度強于間期細胞；而對同一細胞內熒光強度的分析說明，間期細胞的熒光主要分佈於胞質中，細胞核內則分佈較少；而正在進行有絲分裂的細胞內熒光主要集中於赤道板處；剛完成有絲分裂的細胞內熒光則相對集中於兩端或其中的一端。
  8. This paper presents the experimental results of ignition and combustion of semi - coke particles. in the experiment, the ignition temperature, ignition delay, particle burnout time and temperature career during combustion of semi - coke particles with different sizes are measured. the experimental data of the ignition and combustion process are discussed and analyzed. the comparison between the experimental and the theoretical results are also carried out

    實驗研究了半焦粒子著火與燃燒過程，測定了幾種尺寸的半焦粒子在不同環境溫度下的著火溫度、著火滯燃期、燃盡時間和燃燒過程中的粒子溫度等與燃燒過程相關的參數變化，對影響半焦粒子燃燒的因素進行分析討論，並將實驗結果與理論計算結果進行了對比分析，兩者在一定范圍內有較好的一致。
  9. This paper presents the prestack time migration to curved rays for minor fault blocks, which is of more accurate migration, allowing the travel - time equation to be more close to the real pathway of layered media seismic wave propagation, the focused imaging to be more precise, the migrated results to be of good preserved amplitude processing property and the output trace gathers to be used for the lithologic analysis and inversion study

    採用彎曲射線疊前時間偏移技術使小斷塊準確偏移歸位，其走時方程更接近層狀介質地震波的真實傳播路徑，成像聚焦更精確，且通過特殊振幅處理，其偏移結果有很好的保幅性，輸出的道集可以用於巖性分析和反演研究。
  10. In addition, time delay of impact of irregular coke charge to silicon content in hot metal has been analyzed statistically. it is shown that silicon content in hot metal of 60. 24 % tapping increases after six hours of irregular coke charging

    對凈焦加入量（或次數）對鐵水含硅量的作用時間進行的統計分析結果表明：加入凈焦6小時以後， 60 . 24 %爐次會出現爐溫升高現象。
  11. In view of cost, the clarification effect and environmental protection, the cleaning system with coke as absorbent should be the fairly good choice that can produce less tar content and high quality household gas. the cost will be made fewer as well for the reason that coke in filter and clarifier - tank can be put into gasifier again to pyrolyze. in order to improve the clarification level and make preparations for generating electricity by means of biomass gasification technology

    該試驗裝置克服了當前生物質焦汕催化裂解研究中採用焦油的某一種組分或者幾種組分的混合物作為其模擬化合物的缺點，以熱解反應器產生的生物質氣為焦油來源，研究了生物質焦油的催化裂解原理、催化裂解中不同氣化溫度、裂解溫度、停留時間對焦油成分和催化裂解效果的影響，並對比以前的試驗結果進行了初步的理論分析。
  12. Motivation : along with the recent advancements in genome science, information on gene sequences has been exhaustively clarified. in the post - genomic era, interest has arisen regarding the elucidation of interactions between genes, especially gene regulatory network on expression level. advances in molecular biological, analytical and computational technologies are enabling us to investigate systematically the complex molecular processes underlying biological systems

    研究背景：人類基因組草圖的繪制完成，標志著現代生命科學研究已經進入了后基因組時代，研究者把關心的焦點由結構基因組學轉向了功能基因組學，對基因彼此之間的相互作用，尤其是基因表達調控網路的構建，研究者們表現出越來越多的關注。
  13. The field distribution and propagation properties in sil system is analysed, and the relationship between the focusing spot size and the defocusing amount is also described. moreover, a novel model is proposed on basis of the fdtd analysis that can make us increase the distance between sil and recording medium without decreasing the recording density

    模擬的過程中還發現，在小尺寸sil透鏡（半徑為波長量級）離焦時，系統焦點可以被推移到離sil底面較遠的位置而不會產生大的解析度損失，根據該結果我們提出了一種增大sil底面與存儲介質間距的方案，該方案對于sil高密度光存儲系統的實用化研究具有重要意義。
  14. The numerical results show that the appearance of focal switch rests not only on the distance of aperture and lens but also on truncation parameter ; focal switch possibly occurs only when truncation parameter is between its critical maximum and minimum truncation parameters

    數值結果表明：焦開關的出現不僅與光闌透鏡分離量有關，還與截斷參數值密切相關；僅當截斷參數取某一上、下限之間的值時，才可能出現焦開關。
  15. A lot of works has been done to reduce the reverse recovery time and improve the general performance in the international power devices ’ research field. they focus on the design of device structure and lifetime controlling technologies

    圍繞著如何減下frd的反向恢復時間、提高綜合性能，國際功率半導體器件領域進行了廣泛的探討，熱點集中在了器件結構設計和壽命控制等技術上，其中又以壽命控制技術為為主要焦點。
  16. The performance of devices is directly decided by the impurity distribution in the diffused region, and the impurity distribution may be affected by the material thermal properties, the mechanism of diffusion, the power of laser and the diffusion time

    激光誘導擴散過程中，基片的熱物理特性、擴散源的擴散機理、激光束的功率大小和擴散時間以及光束的聚焦狀況等等，都會對擴散結果產生重要的影響，而擴散層的雜質分佈情況將直接決定器件的性能指標。
  17. In this thesis, we used the q - switched nd : yag laser pulse focused by lens to pump the cr ~ ( 4 + ) : mg _ 2sio _ 4 crystal, with the pump laser pulse duration and energy of 30ns and 50 mj separately, and got the laser pulse with center wavelength, pulse duration and energy of 1. 22 m, 8. 2 ns and 10 mj on the best work condition. on the base of zhangguowei s approximation about gain - switching and the parameter of cr ~ ( 4 + ) : mg _ 2sio _ 4 crystal, we calculated the time characteristics of cr ~ ( 4 + ) : mg _ 2sio _ 4 laser pulse with rate equation by numerical method, obtained the conclusion that the laser pulse duration is only related to the pump energy and cavity length : the larger the pump energy is, the narrower the pulse duration is ; the longer the cavity is, the wider the

    本論文採用調qnd : yag脈沖激光通過透鏡聚焦后縱向抽運cr ~ （ 4 + ） : mg _ 2sio _ 4晶體，抽運光脈沖寬度為30ns 、能量為50mj ，在較佳工作條件下得到了中心波長為1 . 22 m 、脈寬為8 . 2ns 、能量為10mj的激光脈沖;並在張國威分析增益開關時間特性的近似法基礎上，結合實際的cr ~ （ 4 + ） : mg _ 2sio _ 4激光器的相關參數，從速率方程出發，用數值計算的方法更為精確的模擬了cr ~ （ 4 + ） : mg _ 2sio _ 4激光器輸出激光脈沖的時間特性，得出了激光脈寬只與抽運能量、腔長有關的結論，即抽運能量愈大，脈寬越窄;腔長越長，脈寬則愈寬。
  18. The effects of five common set - retarders on setting time of cement paste and concrete and strength of concrete are studied. to cement paste, amount of set - retarders added in cement has a critical value

    論文分別研究了木鈣、糖鈣、酒石酸、焦磷酸鈉和蔗糖共五種常用緩凝劑對水泥凈漿凝結時間、混凝土凝結時間及強度的影響。
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