volatile alkali
英 [ˈvɒlətaɪl ˈælkəlaɪ]
美 [ˈvɑːlətl ˈælkəlaɪ]
网络 挥发性碱
双语例句
- Using volatile acid and alkali to regulate the pH of pressed juice from bamboo shell, saltless Fraction ⅰ and Fraction ⅱ were got separately.
采用挥发性酸和碱调节鲜笋壳压榨液pH值，分别获得无盐FractionⅠ和fractionⅡ； - The results showed that 60% conversion of volatile oil and 33% yield of α asarone could be attained using low alkali amount and without dehydration before recrystallization.
结果表明：在使用低的碱用量、产物重结晶前不经无水硫酸钠脱除残余水分的条件下，挥发油的转化率可达60%，α细辛醚的一次得率可达33%。 - Chlorine is a volatile element in the acidic media for its activity in chemistry, and can be absorbed by alkali substance.
氯的化学性质活泼，在酸性介质中具有挥发性，由碱性物质吸收。 - According to the characteristics that vitamin C can absorb ultraviolet radiation and is volatile to alkali, this article establishes a new and fast method to determine the content of vitamin C in fruits and vegetables by ultraviolet spectrophotometry.
本文利用维生素C具有对紫外产生吸收和对碱不稳定的特性，建立了紫外分光光度快速测定水果、蔬菜维生素C含量的新方法。 - The preparation of α asarone from volatile oil of grassleaf sweetflag rhizome via alkali fusion was investigated.
对KOH熔融法从石菖蒲挥发油（以下简称挥发油）制备α细辛醚的工艺过程进行了研究。 - But biomass contains high amounts of volatile alkali metals and chlorine, which can cause deposition, corrosion and agglomeration during combustion.
但生物质中含有大量易挥发的碱金属和氯元素，在燃烧过程中会造成沉积、聚团和腐蚀等问题。