Spectrophotometric Determination of Urea in Milk with Nessler's Reagent;
纳氏试剂分光光度法测定牛奶中尿素含量
Defects and correcting in determination of HN_3-N by nessler's reagent spectrophotometry.;
纳氏试剂比色法测定氨氮的问题及修正
Experiment was undertaken to detect NH3-N in sea water by Nessler's reagent colorimetry.
进行了用纳氏试剂比色法直接测定海水中氨氮的试验。
In order to replace Nash pumps with turbo-compressors,the following three kinds of plans were put forward:drying in three towers in series,drying in two towers with forced circulation,and drying in two towers in series.
简要介绍了中石化江汉油田盐化工总厂氯气处理装置的现状以及存在的问题,同时提出了将纳氏泵改为透平式压缩机的3种方案:三塔串联干燥、双塔强制循环干燥和二塔串联干燥。
Determination of Protein in Foods by Microwave-Digestion-NARSH'S Colorimetry;
微波溶样纳氏比色法测定食品中蛋白质