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- The potentiometric titration technique was used to determine the content of residual amic acid in polyimide, which was synthesized by the two-step method. 未完全环化的酰胺酸对聚酰亚胺的性能有重要影响,用电位滴定法可直接测定其含量。
- The main problems in determination of gold by the back titration for the excessive FeSO4 with potassium bichromate were discussed and experimented. 对重铬酸钾滴定过量硫酸亚铁返滴定法测定金合金中金的主要问题做了探讨和实验。
- The effective composition content of poly-alcohol was measured by back titration using NaPTB complex-salt which originated from analysis method of nonionic surfactant. 本文引用非离子表面活性剂分析方法中的四苯硼钠络盐返滴定法测定了聚合醇有效成分的含量。
- Abstract: The main problems in determination of gold by the back titration for the excessive FeSO4 with potassium bichromate were discussed and experimented. 摘要：对重铬酸钾滴定过量硫酸亚铁返滴定法测定金合金中金的主要问题做了探讨和实验。
- AFt was extracted from cement paste containing sulphur - fixed ash using glycol and methanol (mixing ratio =1:3) as solvent, and its content was measured by back titration method. 选用1:3乙二醇-甲醇溶剂以相当高的选择性从掺固硫渣的水泥水化浆体中萃取钙矾石并采用返滴定法测定其含量。
- The structure was verified by 1H-NMR,GPC and end group titration techniques. 通过核磁共振氢谱(1H-NMR)、凝胶渗透色谱(GPC)、端羟基滴定等方法;研究了所合成的三嵌段共聚物的结构.
- To determine the concentration of the analyte, these kits utilize a titration technique which consists of counting the number of drops of titrant necessary to cause a color change in the sample. 比色测定组的特点有：反应容器上具通口护盖，避免样品溶液溢洒出来；可精确计算滴数的滴瓶、绢印似的塑反应容器和事先已标定的试剂。
- Potentiostatic intermittent titration technique 恒电位间隙滴定技术
- Capacity intermittent titration technique 容量间歇滴定技术
- capacity intermittent titration technique (CITT) 容量间歇滴定技术（CITT）
- Theoretical Study on Process of Complexometric Back Titration 对络合返滴定过程的理论探讨
- Rose bushes shoot again after being cut back. 玫瑰丛修剪後还能再长出新枝。
- potentiostatic intermittent titration technique(PITT) PITT
- Keywords EDTA back titration;shrimp shell;chitin;monitoring of decalcify rate; EDTA返滴定法;虾壳;甲壳素;脱钙率监测;
- He trudge three hour in the snow to get back home. 他在雪中跋涉三个钟点才回到家。
- The crowd fell back to let the players through. 人群后退让运动员们通过。
- Do exercise every day and you'll be back in condition. 每天锻炼锻炼，你很快会恢复健康的。
- The ship beat back against a monsoon. 船逆着季风艰难地行驶。
- Keywords back titration;potassium dichromate;correction factor;isopropanol; 返滴定;重铬酸钾法;校正系数;异丙醇;
- Keywords TTHA;complexometric back titration;cobalt;potassium cobaltinitrite; 络合返滴定法;钴;亚硝酸钴钾;
