在菠菜叶片中也存在着转乙酰酶系统.The transacetylase system was also present in spinach leaves.将乙酰丙酮铁, 苯基B- 萘胺及磷脂通过40目筛加入.The ferric acetylacetonate, phenyl betanaphthylamine , and lecithin are added through 40 - mesh screen.以改性的骨架镍为催化剂催...
下面是典型的认识论问题: 什么是科学方法?The following are typical epistemological questions: What is scientific method?认识论是关于认识的理论.Epistemology is the theory of knowledge.哲学在传统上分为三个领域: 认识论 、 形而上学和价值理论.Traditionally, philosophy has been par...
I was confronted with an array of knobs, levers, and switches.我面对的是一大堆旋钮、控制杆和开关。Levers and pulleys are simple machines.杠杆和滑轮是简单机械.The workers can manipulate the gears and levers of a machine skillfully.工人们能熟练地操纵机件....