譜分析 的英文怎麼說
中文拼音 [pǔfēnxī]
譜分析
英文
analysis of spectrum-
Hplc analysis indicated that a. vera l. growing under shaded conditions had remarkably lower aloin content in its leaves that it growing under natural light did
高效液相色譜分析結果顯示,生長在遮蔭條件下的庫拉索蘆薈葉片,蘆薈素含量明顯低於生長在自然光照下的含量。Conclusion the anaerobes could be identificated accurately and quickly by gas chromatography
結論代謝有機酸色譜分析法鑒定厭氧菌是一種可靠的方法。The purpose of this study was to test the reliability of measurement of metablic organic acid of anaerobic bacteria by gas chromatography for the identification of anaerobes
摘要目的探討厭氧菌代謝有機酸色譜分析法的可靠性,為大量的臨床分離的厭氧菌鑒定提供可靠方法。Initial growths of disturbances are measured by means of hot - wire anemometry. due to the detected signals with low signal to noise ratio, the coherence function is used to eliminate background noise during data reduction
在擾動增長的初始階段,信號的信噪比非常地低,根據相關譜分析方法,應用相干函數,將擾動信號有效地提取出來,測量了初始擾動的增長。Through the spectrum analysis, the authors found that the microspherulites are mainly the lithical spherules, that is, the apatite and the siliceous spherules
通過波譜分析,微球粒主要為石質球,即磷灰石球和硅質球。And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed
研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。Ar power spectrum of vector vibration signal and its application
功率譜分析及應用Analysis on fingerprint chromatogram of the volatile oils obtained from asarum heterotropoides with different methods
不同方法提取的遼細辛揮發油指紋圖譜分析Foodstuffs - determination of acesulfame - k, aspartame and saccharin - high performance liquid chromatographic method
食品.醋氨基磺酸鹽k糖精和鄰磺酰苯甲酰亞胺的測定.高效液相色譜分析法This is particularly valuable if an automated gc procedure is used.
如採用自動氣相色譜分析,則該方法尤為有用。The results showed as follows : ( 1 ) 6 traits are correlative with genomic factors according to analysis of population genetics and comparison of the coherence of twins. ( 2 ) the hereditary mode of rolling tongue or pointed tongue was the dominant heredity of single gene of autosome, and the can - rolling type or can - pointed type was the dominant character
本文首次從群體遺傳學、家系分析、典型系譜分析及雙生子分析多個角度並結合多種相關數理統計方法,對6項人類學特徵的遺傳方式進行了探討,初步確定了各項特徵的遺傳方式,評價了各特徵的遺傳與環境的相對重要性。Such as when the substrates was benzidine and a - naphthol, the absortion peak was 450nm after catalyticed by dna, and 501nm after catalyticed by pod, if changing substrate to benzidine and pyrocatechol, the absortion peak was 503nm after catalyticed by dna and 603nm after catalyticed by pod. the second difference was the different result after hplc : the result of hplc ( substrates : benzidine and a - naphthol ) showed that the products under the affect of dna and pod had different value on the peak and the area
然後對以聯苯胺與-萘酚為底物,以h _ 2o _ 2為氧化劑,進行高效液相色譜分析,分析結果表明dna與過氧化物酶作用后的產物在峰面積和峰高上有不同數值;同時,不同形式的dna對該反應都有催化活性,表明只要是生物來源的dna (非特異性dna )都具有一定程度的催化活性。The gc / ms analyses of oil samples from qhd32 - 6 oilfield show that bicyclic sesquiterpanes are abundant
摘要色譜質譜分析結果表明,秦皇島32 - 6油田原油中含有豐富的雙環倍半萜。Commercial propane and butane. analysis by gas chromatography
工業用丙烷和丁烷.氣相色譜分析Comparison and quality assessment of cassia bark cortex cinnamomi by thin layer chromatography
以薄層色譜分析法比較及質評肉桂Due to existing signal processing technology ’ s shortage such aslow measurement, narrow measurement range precision and other poor performance, we introduced a high - precise signal processing technology : firstly, to get power spectrum with hanning windowed welch modified periodogram, search its peak value frequency ; secondly, to apply zooming analysis via goertzel algorithm ; at last, to get a highly precise doppler frequency with energy centrobaric rectifying algorithm 。 the simulating result indicated that this technology introduced could get accurate doppler frequency 。 depending on above discussed technology, we designed a signal processing scheme, and developed a signal processing system. the running result showed high performance, verified the feasibility and reliability of the highly precise signal processing technology introduced. in a word, the technology improved ldv ’ s performance such as measurement precision, measurement range, dynamic response time 。 and it will have a wide application foreground
針對存在的缺點,本文提出了一種應用於激光多普勒測速的高精度信號處理技術,即首先利用加hanning窗的welch修正周期圖演算法得到信號功率譜,搜索其譜峰值頻率,接著利用goertzel頻譜細化演算法對搜索的譜峰進行細化分析,再引入能量重心頻譜校正演算法對細化后的譜峰進行校正分析,從而將離散頻譜分析演算法、頻譜細化演算法和頻譜校正演算法三者有機結合起來,充分發揮各自的優點:通過加hanning窗的welch修正周期圖演算法快速得到功率譜及峰值頻率,通過goertzel演算法獲得分析頻帶的高解析度頻譜,然後通過能量重心校正演算法對細化后的頻譜進行高精度校正,這樣不僅保證了演算法的高效性,而且大大提高了分析的精度。The measurement of the fatty acid composition of fats involves the use of techniques of gas-liquid chromatography.
測定脂肪內的脂肪酸成份需用氣液色譜分析技術。General rules for high performance liquid chromatography
高效液相色譜分析法通則It can realizes historical data repeat, time field analysis, spectrum analysis, time delay field analysis, axis orbit analysis, digital filter, corelation analysis, holographic spectrum analysis, demodulation analysis, fft delicate analysis and so on
能實現歷史數據回放分析、時域分析、頻域分析、時延域分析、軸心軌跡分析、數字濾波、相關分析、全息譜分析、解調分析及fft細化分析等功能。Cryostat end - cap dimensions for germanium semiconductor detectors for gamma - ray spectrometers
鍺半導體射線光譜分析儀用鍺半導體探頭晶體端.帽罩尺寸分享友人