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- It is found that the first derivative spectrometric value of polysaccharide phenol sulfuric acid reaction system is proportional to the content of polysaccharides. 研究发现多糖 -苯酚 -硫酸显色反应体系的一阶导数光谱值与多糖含量成正比 ,据此建立了苯酚 -硫酸显色导数光谱分析多糖的方法。
- Keywords first derivative spectrometry;Electrographic gel;phonel;determination of content; 一阶导数光谱法;导电凝胶;苯酚;含量测定;
- Keywords First derivative spectrometry;paroxetine hydrochride tablets;paroxetine; 一阶导数分光光度法;盐酸帕罗西汀片;帕罗西汀;
- Determination of compound benzoic acid tincture by dual-wavelength ratio coefficient spectrometry and first derivative spectrometry 双波长倍率系数法和一阶导数光谱法测定复方苯甲酸酊的含量
- Keywords dual-wavelength ratio coefficient spectrometry;first derivative spectrometry;compound benzoic acid tincture;benzoicacid;salicylic acid;determination of content; 双波长倍率系数法;一阶导数光谱法;复方苯甲酸酊;苯甲酸;水杨酸;含量测定;
- first derivative spectrometry 一阶导数光谱法
- 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
- Quinestrol in compound preparation was directly determined by using derivative spectrometry. 采用一阶导数光谱法对复方炔诺孕酮片中炔诺孕酮的含量进行了测定。
- First order derivative spectrometry 一阶导数光谱法
- 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。
- 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
- 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。
- 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。
- 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。
- Third order derivative spectrometry 三阶导数光谱法
- 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。
- Second- order derivative spectrometry 二阶导数光谱法
- Two methods for the rapid determination of 10-HDA in royal jelly with the def-frential spectrophotometry and the first derivative spectrophotometry are presented. 本文提出了用差示分光光度法和一阶导数分光光度法测定蜂王浆中蜂王酸的含量。