質量光學密度 的英文怎麼說
中文拼音 [zhíliángguāngxuémìdù]
質量光學密度
英文
mass optical density- 質 : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 光 : 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) ...
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 密 : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 質量 : 1 [物理學] mass 2 (產品或工作的優劣程度) quality 3 economy (離子源的); 質量標準 quality level...
-
High accuracy kdp crystal optics is now considered as one of optics that is the most difficult to be processed for its series of disadvantageous characteristics to optics processing such as anisotropy, soft nature, easy to deliquesce, high brittleness, sensitive to temperature change, easy to crack and so on. therefore the long machining period, low percent of pass and astaticism quality has become the bottleneck of icf technology, and the surface quality control of kdp crystal processing has become the key problem to be solved in the research of icf in our country
Kdp晶體零件是目前公認的最難加工的光學零件之一,因為kdp晶體具有各向異性、質軟、易潮解、脆性高、對溫度變化敏感和易開裂等不利於光學加工的特點,所以加工周期長、合格率低、質量不穩定成為慣性約束聚變技術的瓶頸, kdp晶體超精密加工表面質量控制問題已經成為我國慣性約束聚變研究中亟待解決的關鍵問題。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激光器是一種性能優越的發光器件,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。材料的外延生長是整個激光器器件製作的基礎,對器件的光學和電學性能有著重要的影響,生長不出優質的材料體系,獲得高性能的器件就無從談起,因此,材料的外延生長便成為了整個半導體激光器製作過程之中的重中之重。In chapter five, the research work focus on color gamut transform correction in panel display. a method of color gamut transform correction which introduces the concept of virtual gamut space is presented to solve the problem of luminance and chromic disuniformity which arises from the differentia of chromic and drive characteristics of each module or pix on the same display panel. and the high quality of image displayed on the panel is ensured
提出了克服同一種平板顯示屏由於各個顯示模塊(顯示象素)的色度空間特性和中國科學院長春光學精密機械與物理研究所博十學位論文基十擬合逼近理論的平板圖像顯示技術研究基色驅動顯示特性的差異而造成的平板顯示屏色度和亮度分佈不均的有效方法,解決了平板顯示屏的全屏幕亮度、色度一致化的問題,保證了高質量視頻圖像的顯示。To follow the current gsp specifications and decrees and codes on medicines, shanghai sunbow pharmaceutial co., ltd. chinese medicine herbal tablets factory invested more than 1 million yuan rmb in 1999 to rebuild the quality control room equipped with high - recision instruments, such as high - efficiency liquid chromatographic instrument, high - efficiency colour spectram meter for gas phse, automatic polarimeter and ultraviolet spectrophotometer. this provides a scientific guarantee for medicine production and storage and enables medicine to reach the international advanced level in monitoring of various indexes like the conteng of effective composition, content of heavy metals and residual pesticide content
為符合現有的gsp規范及藥品法規, 1999年上海虹橋藥業中藥飲片廠投資100多萬元改建了質量檢測室,配以高效液相色譜儀、高效氣相色譜儀、自動旋光儀、紫外分光光度計等高精密儀器,使藥品的生產和儲存有了科學的保證,並使藥品在有效成分含量、重金屬含量和農藥殘留量等指標監測上達到國際先進水平。The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro
激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up
全文共分八章,取得的主要成果及創新點如下: ( 1 )首次建立了諧波轉換晶體的tsrs物理模型本文根據量子力學原理,在考慮如下物理過程和參量的基礎上:光與物質的雙光子相互作用; stokes光的傍軸衍射; langevin (郎茲萬)噪聲源;晶體表面反射和端面反射;增益系數、光束口徑、脈寬和三倍頻光能量密度,推導出高通量激光在kdp和kd ~ * p諧波轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方程組。Based on the spectral irradiance measured with the sun - atmosphere ultraviolet spectrum radiometer ( sauvs ) developed by the institute of atmosphere physics and the changchun institute of optics and fine mechanics, chinese academy of sciences, measuring the direct and scatter irradiance spectrum of ultraviolet waveband which arrives in beijing global surface, giving a method of retrieving the aerosol optical depth ( aod ) and put up with primary results that exponential function can fit the retrieval results according to its visibility, putting forth different coefficients and functions on variable visibility, also giving a primary analysis on the aod in dust - storm day and some contrast between sun - day and dust - storm day, analyzing the ratio between scatter and total irradiance, and its relationship with atmosphere mass and total atmosphere optical depth, lastly contrasting with the survey results by aeronet beijing station, the results of retrieval is in reason, this work gives some help in researching the co - effect of aerosol - radiance - climate and makes preparation for further survey on the radiance characteristics of dust
利用中國科學院大氣物理研究所與長春光學精密機械研究所合作研製的太陽?大氣紫外光譜輻射計( sauvs ) ,測量到達北京地表的太陽直接和散射紫外光譜輻射,導出了大氣氣溶膠的光學厚度。初步結果表明:北京紫外波段大氣氣溶膠的光學厚度在絕大部分情況下隨波長的增加而單調減小,用指數函數可以較好地擬合反演結果,統計得到了三個水平能見度狀況下擬合函數的系數值和公式表達式;初步分析了揚沙、浮塵、沙塵暴天氣條件下氣溶膠光學厚度的特點,並與一般晴朗天氣條件下的氣溶膠光學厚度特點做了比較分析;分析了太陽紫外譜輻射中散射輻射與大氣質量、大氣總光學厚度的定性關系和定量表達式;最後與全球氣溶膠監測網路( aeronet )北京站的資料做比對,表明反演結果基本合理。We deduce easily the coherent term of quantum dynamical model ( the off - diagonal of reduced density matrix ) by improving the nature of displace operator and the nature of coherent states. then, the interaction is energies of a two - photon mechanism and the usual one - photon or liner driving mechanism. we deduce the coherent term by improving the nature of squeezing operators, displace operators and canonical transformation
其一,僅有阻尼相互作用和勢能相互作用,此時利用位移算符的性質和相干態的性質很方便地推導了量子動力學模型的相干項(約化密度矩陣的非對角元) ;其二,考慮的是既有單光子相互作用又有雙光子相互作用,這時利用相干態、壓縮算符及正則變換等的性質推導出相干項。The research interests in this team are nonlinear optics at low light intensities, including photorefractive nonlinear optics ( photorefractive materials, effects and their applications ), optical storage materials, nonvolatile optical recording technology and mechanics with high recording rates, high data density and high data transfer rates, nonlinear dispersive system and the dynamic propagation properties of photons in such dispersive system, and nonlinear optical properties of phasonian systems such as electromegnetically induced transperancy
本實驗室目前從事弱光光學非線性方面的研究:主要包括光折變非線性材料、效應以及應用;超快超高密度光存儲材料、非揮發存儲技術及其機理;非線性色散系統以及光子在非線性色散系統中的傳播動力學;量子相干系綜中的非線性光學性質如電磁感應透明等幾個方面的研究。Featuring shock resistance about ten times that of glass together with high abrasion resistance, these plastic optical lenses are at the heart of our swans brand products, which include special glasses for fishing, golf, baseball, marathon running, etc. as well as ski and swim goggles
作為鏡片來說採用了超輕量,耐震性是玻璃強度的10倍,耐摩擦性強的光學優質不變形高精密度鏡片來作為運動眼鏡。同時用swans品牌展現了釣魚,高爾夫,棒球,馬拉松等專用鏡片和滑雪,游泳的護目鏡。This subject aims to develop a relative self - contained numerical control system of large - scale aspheric optical parts ultra - precision machining device, in order to realize the low cost and high efficiency of aspheric surface machining and content the needs of accuracy and surface roughness
本課題旨在設計一種比較完善的大型非球面光學零件超精密加工裝置的數控系統,以實現光學非球面加工的低成本、高效率,並能滿足加工精度和表面質量的要求。Abstract : in this paper, a variety of encryption methods for optical image security are comparatively studied. according to the different method, the encrypted image can be transformed into white or color noise. the encryption phase can be the random phase or the chaotic sequence as well as the calculated result by used of the phase retrieval algorithm. the image quality and the correlative recognition ability of decrypted image are affected by the different part of the decryption phase and the amount of high frequency or low frequency used in the process of decryption
文摘:本文分析比較了多種實現光學圖象相位加密的方法,發現不同方法獲得的加密圖象有不同類型的噪音分佈.無論加密相位是隨機相位模板、渾沌序列的相位列陣,還是用相位重構迭代演算法計算的結果,它們都能起到加密圖象的功能.解密圖象的質量或被相關識別的能力與解密過程中所使用正確解密相位的不同部分以及高低頻分量多少有關,且其依賴程度是由不同的加密方法自身決定The physicochemical characterization was made in depth using various techniques for some resin matrices of advanced composites, such as epoxy resin matrix, phenolic resin matrix and bismaleimide resin. these techniques include infrared spectroscopy ( ir ), nuclear magnetic resonance spectroscopy ( nmr ), mass spectroscopy ( ms ), liquid chromatography ( lc ), thermal analysis ( ta ) and other techniques. the composition, structure, molecular weight, reactivity, reaction temperature and other properties related to performance of resin matrix were studied
本論文採用紅外光譜、核磁共振波譜、質譜、液相色譜、熱分析等分析技術對實際使用的環氧樹脂、酚醛樹脂以及改性雙馬來酰亞胺樹脂等先進復合材料樹脂基體進行了物理化學表徵,尤其是對與樹脂基體性能密切相關的化學組成與結構、分子量、活性與反應溫度、固化度等進行了表徵;提出了樹脂基體的固化反應機理,獲得了樹脂基體的固化反應動力學參數;對改性雙馬來酰亞胺樹脂的熱分解機理進行了分析,並得到了其熱分解動力學數據。分享友人