One endophytic stain SS 02 was isolated from the underground stems of Paris polyphylla var. Chinensis franch.从华重楼(Parispolyphyllavar·ChinensisFranch)的地下块茎中分离到一株内生细菌(SS02),试验表明其发酵液对13种作物致病菌的生长有抑制作用.This completely is stem...
Woodlice attack living plants and gnaw at the stems.木虱会侵害活体植物并啃咬它们的茎。Much of the instability stems from the economic effects of the war.不稳定局面多半是由战争对经济的影响造成的。It is easy to detach the currants from the stems.很容易就能把醋栗从梗上摘下来...
In this experiment, a soil sample was incubated with a dilute soup of radioactive organic molecules.在这个实验中, 一份土壤样品同一份含放射性有机分子的稀释浓稠液体一起培养.The mixture is incubated at 90℃ for a further three hours.将混合物在90℃进一步保温三个小时.Microsc...