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- Absorbance ratio derivative method was developed for the simultaneous determination of glyoxal(GLY) and glyoxylic acid(AGLY). 利用比值导数波谱法同时检测乙二醛(GLY)和乙醛酸(AGLY),为GLY催化氧化过程的实时、快速分析提供了新的手段。
- Multiwavelength absorbance ratio difference spectrophotometry as a new methodto determine two-component mixed system was used to assay caffeine and sodium benzoateinjection. 多波长吸收度比值差法是一种可对多种混合组分同时测定的新的分光光度法。
- In this paper,the simultaneous dertermination of sodium salicylate,antipyrine and caffeine by UV absorbance ratio coefficient multiplication method was suggested. 用吸收比-系数倍率法同时测定撒痛风注射液中水杨酸钠、安替比林和咖啡因三组分的含量。
- Methods The absorbance ratio of 19 roots from Amorpha fruticosa L.and 2 confusion roots were measured by UV spectrometry and used as the evidence of identification. 方法取紫穗槐根19个样品及其2个混淆品,用紫外光谱法测得吸收度比值作为鉴定的依据。
- Based on the studies of IR Spectra of various ZSM-5 zeolites it was found that there are two strong bands at ca. 1875 and 2000 cm~(-1) and their absorbance ratio is a characteristic value. 研究各种 ZSM-5沸石样品的红外光谱发现:在1875和2000cm~(-1)附近有两个强红外吸收谱带,两个谱带吸光度的比值是个特征值。
- pH indicator absorbance ratio method pH指示剂吸收值比值法
- pH-indicator absorbance ratio method pH指示剂吸收值比值法
- Wild winter, wild spring, and cultivated Gastrodia elata Blume can be discriminated by FTIR, according to the differences of their spectral peaks and absorbance ratios. 根据谱峰位置和吸光度比可以区分野生冬天麻和野生春麻、野生天麻和家种天麻;
- absorbance ratio derivative method 比值导数波谱法
- When the sellecting absorbing ratio of the plate is greater than a certain value, we must give attention to reduce the convection loss. 当板的选择吸收比大于一定数值后,应当同时重视减少对流热损失;
- The retailer has to absorb the cost of wastage. 零售商须承受耗损的费用。
- The effects of N-methyl pyrrolidinone (NMP) on viscosity and stability of aqueous polyurethane emulsion, water absorbing ratio, contacting angle of glue film and T peel strength were studied. 摘要研究了N-甲基吡咯烷酮(NMP)对水性聚氨酯乳液的粘度、稳定性、胶膜的吸水率、接触角、复合薄膜T剥离强度的影响。
- She won't be able to absorb another heavy blow. 她无力承受再一次沉重的打击。
- The effects of N-methyl pyrrolidinone(NMP) on viscosity and stability of aqueous polyurethane emulsion,water absorbing ratio,contacting angle of glue film and T peel strength were studied. 研究了N-甲基吡咯烷酮(NMP)对水性聚氨酯乳液的粘度、稳定性、胶膜的吸水率、接触角、复合薄膜T剥离强度的影响。
- Determination of metronidazole by pH indicator absorbance ratio method pH指示剂吸收比值法测定甲硝唑
- Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳释放氧气。
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- Assay of atropine sulfate by the pH indicator absorbance ratio method pH指示剂吸收值比值法测定硫酸阿托品
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。