常用扦插.嫁接和压条繁殖, 也可播种.Commonly used cuttage, engraft and layering are progenitive, also can sow.我们可以采用嫁接 、 分株 、 压条等多种方式来提高作物产量.We can graft, divide, or layer to propagate the crops.用压条法培育 ( 植物 )To propagate ( a plant ) by m...
Objective : To observe anesthetic effect of disoprofol combined with infraorbital nerve blockade on cheiloschisis repairing operation.目的: 观察异丙酚加眶下神经阻滞作唇裂修补术的临床麻醉效果....
The fractograph exhibited typical ductile dimple fracture pattern.断裂形式呈韧性断裂,断口以韧窝为主.The toughness, fractograph and microstructure of the failed die specimens have been examined and analysed.检测了失效模具材料的微观组织 、 击韧性和断口形貌.The ...
These range from separation of water molecules by osmosis through separation of small particles in microfiltration.能分离水分子,以及在微过滤器中分离小颗粒物质.The combination of activated sludges and microfiltration will open anew way in thi...