Food is made up of carbohydrates, proteins and fats.食物由碳水化合物、蛋白质和脂肪构成。Common salt is made up of 40% sodium and 60% chloride.食盐由40%的钠和60%的氯化物构成。The shoreline was made up of a jumble of huge boulders.海岸线上堆着一大堆杂乱的巨石。...
在丙酮、丁二酮水溶液中采用化学氧化法合成 纳米 聚苯胺, 并研究有机溶剂的含量对纳米聚苯胺导电性能的影响.The nano - was synthesized through the chemical oxidation method in an solution of acetone or diacetyl, separately.以氯化锌为路易斯酸催化剂,探讨了2 ─ 亚甲基─1 ─ 苯基 ─ 1.3 ─ 丁二酮与1.3 ─ 环戊二...
There are problems in recruiting suitably qualified scientific officers for NHS laboratories.很难为国民医疗保健系统的实验室招募到资历合适的高级科研人员。He recently vacated his post as NHS Personnel Director.他最近辞去了国民保健署人事主管一职。This vaccine is not norm...
The swelling produced by a unicellular organism that is reproducing asexually by BUDDING.单细胞生物体体旁或体后端长出的小突起,能形成子体,是一种无性生殖.Budding linguists can tune in to the activity cassettes in French, German, Spanish and Italian.崭露头...