thiele tube meaning in English

蒂埃尔均热管
悌列管；均热管

Afterwards , the remnant lactic acid in lactide was measured by non - aqueous titration with sodium methoxide and the remnant water was surveyed by karl - fisher method . the melting point was investigated by thiele tube and the characteristics of lactide were analyzed by ir , uv spectrum , tg and dsc respectively
然后，用甲醇钠非水滴定法测定丙交酯中残存乳酸，卡尔-费休法测定丙交酯中残存水的含量，用提勒管测定精制丙交酯熔点，用红外吸收光谱、紫外光谱、差热分析对合成的丙交酯以及回收的丙交酯进行表征。