nir 中文意思是什麼

nir 解釋
近紅外光譜
  1. To overcome the disadvantages of the linear calibration methods such as mlr and pls, least - squares support vector machine ( ls - svm ) is introduced to nir quantitative calibration in this thesis. for a set of diesel cetane number ( cn ) samples, the ls - svm model obtains the best performance in the cn prediction, compared with the mlr and pls model

    為克服mlr與pls等線性校正方法的局限性，本文將最小二乘支持向量機（ ls - svm ）演算法用於近紅外光譜的定量校正，並以一批柴油十六烷值樣品數據為例對以上方法進行了比較。
  2. The refractive index and the changing behaviour of the a - sic : h films were calculated by using uv - vis - nir spectroscopy interference wave and it was found that the hydrogen content and ir transmittance were decreased with y rays irradiation dose. lt is very interesting that the sp ' c - h bonds were observed by the raman spectra for the first time and expand the application scopes of raman spectroscopy in structure analyse fields

    根據uv ? vis ? nir光譜中的干涉條紋，計算出了y射線輻照下a - sic ： h薄膜的折射率及其變化趨勢，並由此得出y射線輻照導致其氫含量變小及紅外透過率變小的結論。有趣的是：還首次用raman光譜觀察到了dlc薄膜中sp ~ 3c - h鍵隨輻照劑量改變的變化規律，擴大了其在結構分析領域中的應用。
  3. The apparatus uses 880, 950nm nir led as light source, interference filter as homochromy device, si photronic as detector. digital signal comes from ad transformation, processed by microprocessor system

    以880 、 950nm的近紅外led為光源， 14個窄帶干涉濾光片為單色器，以硅光電池為檢測器，經ad轉換得到數字信號，送單片機處理。
  4. It ' s still an open question for thorough discussion to the analysis of mixture ' s raman spectroscopy. in this thesis, we first introduce the main theory of raman spectroscopy, including the mechanism it occurs, the physical explanation, the basis of quantitative analysis, etc. then new types of raman technique such as nir - ft raman, rrs, sers, microscope raman and co - focus raman, fiber raman, etc. are discussed. and the main applications of raman spectroscopy on chemistry and material science, medicine, biology, judging and identifying science, industry, environmental protection, geology and archeology, etc. are introduced

    接著分別介紹了各種新興的拉曼光譜技術如近紅外-傅立葉變換拉曼光譜（ nir - ftraman ） 、激光共振拉曼光譜（ rrs ） 、表面增強拉曼光譜（ sers ） 、顯微拉曼光譜及共焦顯微拉曼光譜，光纖拉曼光譜等，簡述了拉曼光譜在化學和材料科學、醫藥學、生物科學、法庭和鑒定科學、工業生產、環境保護、地質考古等各個領域的應用情況。
  5. Using the method of pcr to handle the nir spectrograms of the samples, we can detect quickly whether the samples were adulerated or not

    通過對上述食品近紅外光譜的主成分分析（ pcr ） ，可快速判別蜂蜜、苦蕎、芝麻油樣品摻雜。
  6. The nir - sers technique, combined sers with ft - raman, due to the advantages such as high sensity, a little amount of sample and quenching fluorescence, should be the best detective way to obtain the perfect raman spectrum of those above molecules

    採用sers技術與ft - raman相結合的nir - sers手段，由於其靈敏度高、樣品用量少、可以高效淬滅熒光等優點，可以獲得非常理想的nir - sers譜。
  7. Experience in operating gc or gpc or aas or nir ( near infrared ) or automatic titrator is a must

    具有操作gc或gpc或aas或nir （近紅外）或自動滴定儀等儀器的工作經驗。
  8. The application of near - infrared ( nir ) spectroscopy for estimating the various properties in samples has become widespread with the use of multivariate calibration

    近紅外技術結合多元回歸方法已經廣泛應用於許多行業的物質相關成分含量的測定。
  9. The first part is about the computing of crop water requirements ( or crop evapotranspiration ) and net irrigation requirements ( nir ) of ten crops in bojili irrigated district. then the traditional irrigation schedules of winter wheat and summer maize, which are the main crops in bojili, were evaluated with simulating model isareg. third, the field application efficiency in the experimental areas was evaluated from three methods

    本文即是由灌區實測資料計算各種作物需水量，推求其凈灌溉需水量；然後通過模型檢驗現行作物灌溉制度是否具有合理性，並對田間灌溉系統進行評價，求其實際田間灌溉效率；最後由兩種不同灌溉制度方案的對比，確定試區合理的作物灌溉制度，在此基礎上求出各代表年的田間灌溉需水量和用水過程線。
  10. The dt - mini deuterium tungsten halogen light source combines the continuous spectrum of an rf - excited deuterium uv light source and a tungsten halogen vis - nir light source in a single optical path

    Mini氘-鎢鹵組合式光源集成了一個用於紫外光的射頻激發氘燈光源和一個用於可見光/近紅外光的鎢鹵光源，能夠在一個光程中提供紫外/可見/近紅外波段的連續輸出光譜。
  11. The dt - mini - 2 - gs deuterium tungsten halogen light source combines the continuous spectrum of an rf - excited deuterium uv light source and a tungsten halogen vis - nir light source in a single optical path

    Gs氘-鎢鹵組合式光源集成了一個用於紫外光的射頻激發氘燈光源和一個用於可見光/近紅外光的鎢鹵光源，能夠在一個光程中提供紫外/可見/近紅外波段的連續輸出光譜。
  12. In the first part of this thesis, the effect of nir instrument ' s energy level on the model predictive power was studied with maize sample

    本文第一部分以玉米粉末樣品，用漫反射法測定玉米粗蛋白含量，研究了近紅外儀器能量變化對分析模型預測效果的影響。
  13. Peak assignment in the region of 4800 - 6500cm - 1 is also completed by mir / nir 2d correlation spectrum in the region of 2800 - 3100 cm - 1 and 4000 - 4800cm - 1

    為利用中紅外區已知的、豐富的結構信息研究近紅外光譜帶的分辨與指派打下了基礎。
  14. Near infrared ( nir ) analytical technique is a fast non - invasive analytical technique

    近紅外分析技術是一種快速無損分析技術。
  15. Progress and application of spectral data pretreatment and wavelength selection methods in nir analytical technique

    近紅外分析中光譜預處理及波長選擇方法進展與應用
  16. At the same time, it is suggested that how to load samples is still an important issue in nir diffuse reflectance analysis

    由於裝樣誤差在模型整體誤差中所佔比重較大，所以嚴格控制裝樣在漫反射近紅外分析中仍是一個值得注意的問題。
  17. Both fibers in the assembly can be uv - vis, vis - nir or one of each - - a " mixed " assembly

    雙接頭處的兩個光纖可以同時是紫外可見光或可見光近紅外的，也可以是每樣一個、二者同時存在的混合結構。
  18. Application of nir technology in the quality detection for foodsstuff

    近紅外光譜技術在食品品質鑒別中的應用研究
  19. With experiences of the author in the tobacco near - infrared spectroscopy, factors affecting the accuracy of near - infrared spectroscopy are summarized and introduced in this paper, including the representation of the calibrating samples, sample water content, sample granularity, sample loading condition, spectral colleting parameters and so on, which provides some instructions to nir operators in the areas

    摘要本文結合作者煙草近紅外分析研究的經驗，對校正集樣品的代表性、樣品水分、樣品粒徑、裝樣條件和光譜採集參數等影響近紅外光譜分析結果準確性的因素作綜述介紹，以期為同行工作者提供參考。
  20. We also report the uv - visible optical absorption spectra of these colloids. to the metal plate prepared simultaneously, the measurement result of sem and afm of this plate is also reported and the roughness of the silver plate surface is about 60nm. both the colloids and the nano - scale metal surface can become the very perfect sers substrates. rhodamine b, a kind of strong fluorescence laser dye, with gold colloidal surface, has been studied by surface - enhanced raman spectroscopy ( sers ) with near - infrared ( nir ) excitation in the presence of the halide ions ( cf, br -, f )

    利用透射電子顯微鏡（ tem ） ，對膠體粒子的尺寸大小及形態進行了觀測，表明這些膠體為粒徑介於5 35nm的納米體系，並對該膠體體系進行了紫外?可見吸收光譜的研究；在制備出金屬膠體的同時，經過激光照射后的金屬表面為納米量級的粗糙表面，對該表面進行了掃描電鏡（ sem ）及原子力顯微鏡（ afm ）的測量，結果顯示該表面的粗糙度平均為60nm 。
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