方法将原油分离成单独馏分的方法oleum发烟硫酸optimumtemperature最适温度orbit轨道orbit轨道ore矿石ore金属矿天然存在的可以提炼出金属的物质organic有机的organicchemistry有机化学化学学科的一个分支organicsolvent有机溶剂osteoporosis骨质疏松症oxidation氧化名词oxidationstate氧化态化合价oxidation氧化oxidelayer氧化层大疫情防止...
c. 记住每种营养物质的作用 carbohydrate, fat,protein,cellulose,vitamin(C&D),minerals(Fe&Ca)and water的作用 d. carbohydrate, fat,protein,cellulose的组成 · Enzymes a. enzyme 的6大特征 (1protein, 2catalyst, 3specific, 4optimum ph,5 optimum temperature, 6denature at high temperature) b. lock &...
(Total for Question 13 = 1 mark) 6 52 Pearson Edexcel International Advanced Subsidiary/Advanced Level in Chemistry *S58310A0626*Sample Assessment Materials – Issue 1 – September 2017 © Pearson Education Limited 2017 14 What are the gas...
c. 记住每种营养物质的作用 carbohydrate, fat,protein,cellulose,vitamin(C&D),minerals(Fe&Ca)and water的作用 d. carbohydrate, fat,protein,cellulose的组成 · Enzymes a. enzyme 的6大特征 (1protein, 2catalyst, 3specific, 4optimum ph,5 optimum temperature, 6denature at high temperature) b. lock &...