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- Results Obvious differences exist in the ultraviolet spectra and derivative spectra of the Hongqu produced with different species. 结果:不同种红曲霉制备的红曲的紫外光谱及其导数光谱存在明显差异。
- Several kinds of powdered milk were identified fast and nondestructively by Fourier transform infrared spectroscopy (FTIR) combined with second derivative spectra. 采用红外光谱法(FTIR)并结合二阶导数谱对几种奶粉产品进行了无损快速鉴别。
- In this method, the propranolol were extracted by GDX403 resin and eluted by methanol.The content of propranolol were obtained by determing UV 2nd derivative spectra of elutent. 肝中心得安用GDX403树脂吸附然后用甲醇洗脱,用二阶紫外导数光谱测定心得安的含量。
- D by using the first derivative spectrum and REP, and the properest models were index(R2=0.9487)and parabola (R2=0.9392) respectively. D 是可行的;最适模型分别为指数(R2=0.;9487)和抛物线(R2=0
- The first derivative spectrum is more correlatively with the biophysical parameter including chlorophyll density and LAI. 综合分析,孕穗期是利用高光谱遥感进行作物长势和养分诊断研究的最佳时期。
- The second-class derivative spectrum method was u sed to determine the amygdalin contents of Prunus persica(L .) Batsch. from three different areas (Fujian, Anhui, Xinjiang). 采用二阶导数光谱法直接测定三种不同产地(福建、安徽、新疆)桃仁中苦杏仁甙的含量。
- We applied ATR Fourier Transform Infrared(FTIR) spectra and second derivative spectra to analyze the alcoholicity and content of sugar of red wines produced by different manufacturers for the first time. 首次采用衰减全反射(HATR附件)傅里叶变换红外光谱法并结合二级导数谱对市售的若干种不同厂家葡萄酒的酒精含量和糖含量进行了快速无损分析。
- A piece-wise multiple regression procedure was used to generate multivariate linear equations for predicting TC,TN and TP using the original,and the derivative spectra of CASI data. 利用CASI原始光谱、一阶和二阶微分光谱数据和逐步回归分析来预测TC、TN和TP。
- A new method to resolve nearly overlapping spectra is proposed.By means of derivative spectrum the discrepancy of constituents can be enlarged,thus the analytical sharpness of separation was improved. 利用导数光谱能增大组分的光谱差异,从而提高二维联用数据解析的分辨率,通过将二维数据对波长求导,以解析光谱相近的同系物体系。
- Sceond-order derivative spectrum 二阶导数谱
- Derivate spectra have the trend of shift to long wavelength direction and exist "two peak" phenomena at more significant increase of the nitrogen level. 一阶导数光谱随着施氮水平的增加,具有向长波方向移动的趋势,同时随施氮水平的增加,“双峰”现象则愈显著。
- derivative -ratio derivative spectrum 导数-比导数光谱
- Keywords Natamycin;yoghourt;Derivative Spectrum; 纳他霉素;酸奶;导数光谱法;
- Derivative-Ratio Derivative Spectrum 导数-比导数光谱
- The survey covered a broad spectrum of topic. 这本简史涉及的话题范围很广。
- An organic derivative, such as coal or petroleum. 有机衍生物一种有机衍生物,如煤或石油
- They could look at the spectra of the light the moons reflected. 他们可以观察月亮反射的光的光谱。
- Red and violet are at opposite ends of the spectrum. 红色和紫色位于光谱相对的两端。
- A Wavelength-Intensity Splitter and a New Derivative Spectrum Technique 波长光强分束器与光谱导数的实现
- An acyl derivative of hydrazine. 酰肼一种由肼衍生而来的酰