To find out the extremely low acid hydrolysis mechanism of cellulose in biomass, effect factors of the reducing sugar yield and cellulose conversion ratio were studied in hydrolysis reactingsystem.
深入了解生物质中纤维素的超低酸水解机理，在水解反应系统中研究了水解糖产率和纤维素转化率的影响因素。
2
In a purely biological sense, fear begins with the body's system for reacting to things that can harm us—the so-called fight-or-flight response.
从纯粹的生物学意义上讲，恐惧始于身体系统对可能会伤害我们的事情的反应，也就是所谓的“战或逃反应”。
3
They are not destroying anything, but reacting to how the system is gradually destroying itself.