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- 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。
- Determination of Sulfamethoxazole and Trimethoprim in compound Sulfamethoxazole tablets with first derivative spectra methods 一阶导数光谱法测定复方磺胺甲噁唑片中磺胺甲噁唑和甲氧苄啶含量
- First derivative spectra 微分光谱
- Keywords synchronus fluorimetry First derivation spectrum Rivanol; 同步荧光;一阶导数光谱;利凡诺;
- A mark used as a superscript to indicate the first derivative of a variable. 撇号置于右上角的符号,用以标明变量的第一个导数
- first derivative spectrum 一级导数光谱
- The powder pharmaceutical samples of sulfaguanidine are analyzed nondestructive by conventional and first derivative near infrared diffuse reflectance spectra. 用常规和一阶导数近红外漫反射光谱法非破坏分析了粉末药品磺胺脒。
- 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。
- 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。
- Peakon solutions have discontinuous first derivative on the peaks and can be described by Dirac function. Peakon解在波峰处一阶导数不连续;但可用D irac广义函数表示.
- To determinate Vitamin E (VE) in liposomes,we compared first derivative UV spectrophotometry with fluorophotometry. 为测定包裹维生素E(VE)的脂质体中VE的含量,比较了荧光法、一阶导数紫外光谱法这两种方法。
- The limit of this quotient as the time of travel becomes vanishingly small; the first derivative of distance with respect to time. 瞬时速度当运动时间小到可以忽略时,此商数的极值;距离相对于时间的一阶导函数。
- 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。
- A first derivative spectrophotometric method is presented for the determination of fleroxacin(FLX) in tablets,capsules and powder for rejection. 用一阶导数分光光度法测定了氟罗沙星片剂、胶囊和粉针剂中氟罗沙星的含量。
- METHODS Vitamin A extracted from ChengzhiYuyou by using cyclohexane was determined by using the first derivative spectrophotometry. 用环已烷萃取橙汁鱼油中的维生素A后,用一阶导数分光光度法测定其含量。
- 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。
- It also testifies the intermediate variate in the system is servo valve loading pressure; compensator is a first derivative element. 可以证明本系统的这种观测量是伺服阀的负载压力,而所谓补偿器是一个一阶微分环节,因而容易实现。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries