Citral is a kind of natural spice used widely in food and daily chemical goods.柠檬酸是一种广泛应用于食品和日用化学品工业的天然香料.Process for the isolation of citral from natural Litsea cubeba oil and lemon oil were investigated.另外从柠檬草油的轻度馏份中,分...
Citral is a kind of natural spice used widely in food and daily chemical goods.柠檬酸是一种广泛应用于食品和日用化学品工业的天然香料.A structural isomer of citral that is obtained from the oxidation of geraniol.葡萄糖的一种异构体,见于蜂蜜和甜水果中.Process for the ...
物质从热区转移至冷区有助于减少热失衡现象.Movement of matter from hot regions to cooler ones will tend to decrease the thermal imbalance.典型的除氧器都有加热区和除氧区.The typical deaerator has a heating and deaerating section.亨吉德山靠近冰岛首都雷克雅末克,这里因其地热区和生动的色彩...