Residue processing can be summarized as decarbonization, hydrogenation and asphalt gasification.渣油加工有脱碳工艺 、 氢工艺及沥青气化工艺.Peeling of oxidation film and oxidation - decarbonization are more serious on the surface than on the...
生根的基质应当是湿润, 透气良好和消过毒的.The rooting medium should be moist, well aerated, and sterile.生根的针叶束往往不能产生芽而进一步长成一株树.The rooted fascicles usually fail to produce a bud which can grow into a new tree.与几种因素对白芦笋试管苗生根的影响>>相似的文献.Effect...