聲致發光 的英文怎麼說
中文拼音 [shēngzhìfāguāng]
聲致發光
英文
sonoluminescence-
The results indicate that in niobate glasses, as the concentration of nb2o5 increases, the covalence becomes strong, the symmetry becomes low and the electron - phonon coupling becomes strong, thus the lifetimes become short, the nonradiative transition processes and the temperature - quenching become strong and the value of crystal field parameter b20 becomes small
（ 6 ）研究了妮硅與妮磷系列玻璃發光特性與組份的關系，發現隨著nbzos濃度的增加， eu一o鍵共價性增強，局域環境對稱性降低，電一聲子禍合增強從而導致sd 。We present here a case of a patient with glottic stenosis following endotracheal intubation, who experienced this potentially catastrophic combustion during endoscopic arytenoidectomy, using a diode laser under general anesthesia via 60 % fio2, with an airway fire occurring at the tracheostomy tube and causing tubal damage and obstruction
我們報告一位因氣管插管所導致的真聲帶狹窄病例，在氧氣分率60 %的全身麻醉下，使用二極體激光從事內視鏡披裂軟骨切除手術時，發生氣切管著火。Results show that, at any frequency, the mbsl field changes with the ultrasonic intensity, and the thresholds of ultrasonic pressures are increased with the ultrasonic frequency. the reason is that, the ultrasound with higher frequency needs higher pressure to make the bubbles provide enough energy to dissociate the water molecules
超聲的驅動頻率的大小影響氣泡的膨脹比（氣泡在超聲作用下膨脹的最大半徑最小半徑） ，進而影響氣泡爆破時產生的溫度，導致不同頻率條件下氣泡地聲致發光閾值不同。It combines the advantages of ultrasound and optical technology. ultrasonic wave scatters much less in biological tissue than light wave and can be used as a localizer in tissue. the diffused photons tagged by the ultrasound in the focal zone will be collected and used for image
超聲調制主要是使散射介質內的散射粒子的分佈以及光學特性發生變化，比如說使介質的折射率發生改變而導致光學相位變化，結合散射和自相關理論可以解釋一些超聲調制多重散射光的現象。Shengya audio company limitied has been taking the responsibility of developing the national industry and carrying forward the domestically produced audio equipment and production of hi - fi amplifiers. ab - 32 tube preamplifiertube power amplifier a maiden work of shengya. wins the favor of the audio fans with its elegant figure, soft and pure timbre and fine craft work
聲雅發展已有十多年的歷史，一直以振興民族工業，弘揚國產音響為已任，致力於各類型音響產品開發及生產，音響產品有hi - fi功放機、激光唱機、家庭影院、微型組合、汽車功放，電腦功放音箱，累計有50多種型號。The effect of polarons on the luminescence properties of quantum dots ( qds ) is an important problem in qd research and applications. we review the recent progress in the concept, possibility and size dependent energy variance of confined polarons in various qds. we suggest that the formation of polarons is related to intrinsic and / or extrinsic phonons and that the idea of confined polarons that we recently proposed can be used to explain the specific spectrscopic characteristics of oxidized nanosilicon systems, even single nanosilicon structures. this model may help to reveal the luminescence mechanism of porous silicon
量子點中的極化子效應是當前量子點研究中的重要問題，其特徵急需了解.文章在綜述了量子點中限域極化子的概念、可能性和能量隨尺寸的變化規律之後，提出了界面限域極化子模型，該模型首次指明本徵聲子和外來聲子都可能對界面限域極化子的形成有貢獻.作者利用此模型分析了多孔硅體系中的光譜特徵，證實了表面覆有氧化層的納米硅的行為十分符合量子限域極化子的特徵.這一極化子模型與單個納米硅結構的發光譜十分一致，此結果對最終揭示多孔硅發光機理有重要意義According to the raman selection rule and the pl measurement, it is reasonable to evaluate the quality of galnp / algalnp mqw by analyzing the relative intensity ratio of a1p - lo / to. ( 4 ) a new modified random element isodisplacement ( mrei ) model is set up to calculate the dependence between the long - wavelength optical phonon frequencies and the composition of iii - v - type ab1 - xcx mixed crystals. the second neighbor force constants are still assumed to be a linear variation with the composition, but the two first neighbor force constants can be evaluated to be a negative exponent variation with the composition, using the overlapped repulsive potential of the ion crystal combination
通過實驗我們找到了在這些結構參數上生產gainp algainpmqw的較理想的結果； （ 3 ）首次用喇曼（ raman ）散射方法研究了常溫下的gainp algainp多量子阱結構，除了指認出喇曼光譜中各光學聲子模外，還結合樣品光致發光譜的測量結果，分析發現喇曼光譜中alp - lo to的相對強度比可以在一定程度上評定晶體gainp algainpmqw的生長質量； （ 4 ）在修正的隨機元素等位移? mrei模型的基礎上建立了一個新模型，計算了ab _ （ 1 - x ） c _ x型?族半導體混晶的長波長光學聲子模頻率的組分變化關系。The progress of laser ultrasonics has been discussed especially for the laser - generated surface acoustic wave. the transform process of energy from light to ultrasonic has been analyzed. the generation mechanism of laser - generated surface acoustic wave has been discussed in detail excluding thermo - elastic mode and illumination mode
介紹了激光超聲領域的研究進展，分析了光致超聲過程中，能量從光能到聲能的轉換，歸納了用激光激發聲表面波的機理，討論了兩種主要的模型：熱彈模型和融蝕模型。Based on the back illuminated cooled ccd, we have designed an experiment device with high quantum efficiency, high sensitivity and low noise
然後，對現在已有的關于聲空化、聲致發光理論模型作一簡單介紹。Detection of imaging difference in different tissues with sonoluminescence of focusing ultrasound
利用聚焦超聲的聲致發光技術檢測不同組織的成像差異In the first chapter, the background of sonoluminescence was introduced. it includes the introduction of the bubble dynamics, the mechanism of sl, the theory of sl and the potential applications of sl have been reviewed in the thesis
本文在第一章概述了聲空化和聲致發光研究的歷史和進展，從兩大類聲致發光及其應用方面闡述了本研究工作的意義。Ultrasound cavitation and sonoluminescence ( sl ) generation have gained great interests in recent years, in this paper, we attributed to discuss the influence of ultrasonic frequency and the gas component inside on the sl threshold pressure and have gotten some value results. in addation, the method for measuring the ultrasonic pressure intensity dynamically by the means of sl image is also discussed
本論文在調研國際、國內有關聲致發光研究歷史和進展的前提下，對如何降低聲致發光的閾值在理論上和實驗上展開工作，取得了一定的成果，並設計了一個新的測量超聲場強度的方法，實驗上證明了其可行性。Acousto - optic light modulation. liquid crystal, plasma, electroluminescent, digital - mirror, and membrane - mirror displays
11 11聲光調變器，液晶，電漿，電致發光，數位鏡技術，薄膜鏡顯示器。The simulating temperature values at collapse are almost equal to each other for different gas bubbles at the threshold pressures, however, when the pressure above the threshold one, the sl mechanism satisfies the bremsstrahlung
通過對含有單一氦、氬、氪的氣泡進行聲致發光閾值研究，發現隨著氣體原子質量的增加，氣泡的聲致發光閾值降低。The results show that the sl image can reflect the distribution of ultrasound, accordingly. the sl imaging can be considered a new method to measure the intensity of ultrasound dynamically
通過液體中聲致發光的強弱可以反映該發光情況下驅動聲壓大小，提出了一種新的測量聲場的方法。Sl is a process from molecular emission to bremsstrahlung. in the fifth chapter, we record the sl image resulted from ultrasonic cavitation and studied the relationship between the sl intensity and ultrasonic intensity
液體在超聲的作用下產生的聲致發光強度與驅動超聲壓強的大小有關，經多次試驗發現液體中的超聲壓強與聲致發光的強度近似呈線性關系。Finally, the appliation of sl in biology and medical treatment was analysized. sl not only has strong penetrability that the virtue sound has, but also can show the medical matter by optical means. so, sl imaging will be applied widely
最後，本文對聲致發光在生物和醫學上的應用研究作一簡要展望，聲致發中文摘要光不但具有在生物組織里穿透能力強等優點，而且能把生物問題通過光學手段顯示出來，因此，具有廣闊的應用前景。分享友人