spectral absorption 中文意思是什麼

spectral absorption 解釋
光譜吸收
  • spectral : adj. 1. 鬼的;鬼怪(似)的。2. 【物理學】光譜的。
  • absorption : n. 1. 吸收,合併。2. 專心,一心不亂,熱中 (in)。3. 〈口語〉飲食。
  1. Four donor - acceptor conjugated carbazole derivatives for two - photon absorption optics were designed and synthesized. the spectral characteristics and the structure - activity relationship were investigated

    摘要設計、合成了四個新的?唑類具有較大雙光子吸收截面的化合物,研究它們的光譜特性,對雙光子吸收的構效關系進行初步探索。
  2. Based on the crystal structure of astrophyllite, we examined the infrared spectra of monoclinic and triclinic astrophyllites, contrast the infrared spectral features of both astrophyllite minerals, and discuss the assignments of infrared absorption frequencies

    在新測定的星葉石晶體結構資料的基礎上,對星葉石礦物進行了詳細的紅外光譜研究,對比了單斜及三斜星葉石的紅外光譜特徵,並對星葉石中紅外吸收振動頻率的歸屬問題進行了討論。
  3. The enthalpy change on dsc curve suggests that the transition is one from low - ordered state to a higher - ordered state. a stacking mood that the 4 - trifluoro - methyl - 2, 3, 5, 6 - tetrafluorophenylmserts in between two perylene - macrocycles is confirmed by theoretical quantum calculation, such an insertion effect leads to the inversion of ( 0, 0 ) and ( 0, 1 ) absorption features under low temperature and the dramatic decrease of exciton coupling, which contributes to the spectral similarity in solution and the solid state

    量子化學的計算結果支持氟取代的苯環嵌入兩個相鄰的?環之間的分子堆砌方式,使得在常溫到150左右f - ptcdi固體薄膜的紫外-可見吸收光譜的( 0 , 0 )和( 0 , 1 )性狀的強度對比發生「反轉」 ;氟取代苯環的嵌入大大降低激子耦合,使固體吸收光譜性狀與溶液類似。
  4. Gaas / algaas quantum well photodetectors ( qwips ) are new type devices and progressed rapidly in recent 20 years. qwips utilizing intersubband absorption between gallium arsenide ( gaas ) well and aluminum gallium arsenide ( alxga1 _ xas ) barriers were perfected. therefore, the ability to accurately control the band structure and hence the spectral response, as well as both established technology for growing and processing gaas optical devices and commercially available large area vlsi gaas ic ' s, makes gaas / algaas qwips attractive devices for use in very large focal plane arrays ( fpas ), especially available in the range of long wavelength 8 - 12 urn

    Gaas algaas量子阱紅外探測器( qwips )是近二十年來迅速發展起來的一種新型紅外探測器,它成功地利用了gaas勢阱和al _ xga _ ( 1 - x ) as勢壘之間的子帶間吸收,使之具有能帶結構可精確設計從而獲得指定光譜響應的特點,加之成熟的材料生長技術、器件工藝,以及商業上可獲得大面積的vlsigaas集成電路,使得gaas algaasqwips尤其適宜製作8 12 m長波范圍的大面陣探測器。
  5. Determination of trace molybdenum in carbonyl nickel powder by atomic absorption spectral method

    2火焰原子吸收光譜法測定羰基鎳粉中鉬含量
  6. Was studied by ultraviolet absorption spectral, fluorescence spectral, and fourier transform infrared ft - ir spectral methods. with the addition of benzoate, the uv absorption peak of bsa at 210nm decreased gradually and moved to longer wavelengths. ft - ir measurement indicated the decrease of the percentage of

    苯甲酸鈉的加入使得白蛋白紫外吸收光譜中210nm處的峰值逐漸降低,峰位紅移。傅里葉紅外光譜的測量結果顯示隨著苯甲酸鈉的加入白蛋白中
  7. The method plays an important role in distinguishing and studying the complicated and confused spectral characteristics and mechanisms of the rare earth. ( 2 ) it is found and explained that due to the boltzmann distribution law at room temperature, the positions of the fine peaks of the photoluminescence band stemming from the transitions between an excited state and the ground state of a re3 +, match these of the absorption bands from the transitions between the ground state and the excited state. the stark split energy levels of the ground state 4i15 / 2 and two excited states 2s3 / 2 and 4f9 / 2 of the er3 + in er203 have been determined

    薛理輝武漢理工大學博士學位論文摘要( 2 )發現在常溫下,由於boltzm ~分佈律的作用,在re3 +的基態電子態和激發態間躍遷所產生的發光譜帶和吸收譜帶中的精細譜峰的位置一一相同,解釋了產生這種關系的原因,並弄清了er203中er3 +的基態電子態4lts . 12和激發態電子態2凡/ 2 、 4凡/ 2的stark能級分裂情況,確定了常溫下erzo3中er3 +的4了15 / 2一2凡/ 2和『 i , 5 / 2一『凡/ 2精細能級間的躍遷形式。
  8. The distribution coefficient of re3 + ( nd3 + and yb3 ) , the refractive index and the crystal lattice were tested. through the measured data of absorption spectrum, fluorescence spectrum and fluorescence lifetime, the spectral characteristic parameters of ( nd3 +, yb3 + ) : yp0. 1v0. 9o4 crystals were calculated and contrasted, and the advandages of them have been showed

    通過測試各晶體的吸收光譜、熒光光譜和熒光壽命,分析了摻不同濃度nd3 + 、 yb3 +離子激光晶體的光譜特性,對比研究了以yv0 . 9p0 . 1o4作為基質晶體所具有的優越性和缺陷。
  9. The first ytterbium - doped yttrium - aluminum garnet ( yb : yag ) laser action was reported back in 1965 using a lamp - pumped rod at 77 k. because of poor spectral overlap of the lamp with the the trivalent ytterbium ion ( yb3 + ) absorption band, the efficiency was very low. lamp - pumped nd : yag lasers fared better due to the multiple pump bands of neodymium

    但yb3 +離子的泵浦吸收帶與閃光燈光譜匹配很差,導致其激光效率很低;而nd : yag的激活離子( nd3 + )有多個泵浦帶與閃光燈光譜匹配,較好適應了燈泵浦的需要,長期占據了固體激光器的主導地位。
  10. The results show that essential difference is existed in absorption spectum of potash feldspar between gold - bearing and gold - barren deposits and the visible absorption spectral characteristics of potash feldspar would be the important exploration criteria of the wulashan - type gold deposits

    結果表明,含礦與不含礦鉀長石的吸收光譜有著本質的差異,鉀長石的可見光吸收光譜特徵可作為烏拉山式金礦的重要找礦標志。
  11. Based on the first two chapters, this paper researches feature extraction both from wavelet transform and spectral absorption features

    在前面的基礎上,論文分別從基於小波變換以及基於光譜吸收特徵兩個方面來研究特徵提取方法。
  12. The purpose of measuring spectral absorption spectral experiments is determined. the makeup of experiment instruments is introduced and the configuration of testing system is performed

    確定了吸收光譜分析實驗的目的,介紹了實驗儀器設備的組成,對實驗系統進行了配置。
  13. Absorption - band parameters such as the position, depth, width, and asymmetry of the feature have been used to quantitatively estimate composition of samples from hyperspectral data. so spectral absorptions are very important feature bands in use of hyperspectral classification and targets identify, this paper extracts absorption features of actual hyperspectral image by continuum removed method which is very useful. then tested both of them by

    吸收峰波段參數例如波長位置、深度、寬度、斜率、對稱度、面積等常常被用來定量的估計高光譜樣本的組成,因此光譜的吸收峰是高光譜識別分類應用中很重要的特徵波段,論文通過包絡線去除這種很有效的光譜分析工具提取出了實際的高光譜圖像的地物光譜的吸收峰參數。
  14. After spectral data processing, remote sensing reflectance data of red tide are got, whose dominant species are leptocylindrus danicus, chattonella marina, skeletonema costatum and mesodinium rubrum respectively. section 3. 1 gives the data processing steps, results and biological details of the dominant species described above. method of extract spectrum absorption parameters such as absorption depth, width, symmetry and area is given in section 3. 2

    對所獲光譜數據進行處理,得出了丹麥細柱藻、海洋褐胞藻、中肋骨條藻、紅色中縊蟲等不同優勢種類赤潮水體的遙感反射率光譜曲線;上述數據處理步驟、數據處理結果以及不同赤潮種類的生物特徵在本章的3 . 1節給出。
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