W: It"s measured in calories. The calorie is defined as the heat energy needed to raise the temperature of 1 kilogram of water from 14.5 degrees centigrade to 15.5 degrees centigrade.Q: What does the woman define?(16) A. The kilogram. B. The energy content. C. Heat energy of water....
根据图中所示可知,牛奶中碳水化合物占比40%;米饭中碳水化合物占比85%;花生中碳水化合物占比10%;根据Carbohydrate provides 3.8 cal/gm (calories per gram) of energy.可知,碳水化合物可以提供卡路里,所以碳水化合物占比越高,提供的能量也就越多;米饭中的碳水化合物占比最高,可以提供最多的能量。故选B。
The energy in food is mainly in the form of three kinds of chemical materials --- carbohydrate (碳水化合物), protein (蛋白质) and fat (脂肪). Carbohydrate provides 3.8 cal/gm (calories per gram) of energy, protein provides 4.0 cal/gm and fat provides 8.8 cal/gm. Each kind of food ...
百度试题 题目The recent ___ in food prices around the world is because of rising energy costs.相关知识点: 试题来源: 解析 spike 反馈 收藏
百度试题 结果1 题目Unit for messuring how much energy the food can give us.其中energy 是“能量”的意思. 相关知识点: 试题来源: 解析 股messuring多少能量的食物能给我们.反馈 收藏
Food, Energy and the Creation of Industriousness: Work and Material Culture in Agrarian England, 1550–1780 . By Craig Muldrew (Cambridge, UK: Cambridge Un... Schmidt Food, Energy and the Creation of Industriousness: Work and Material Culture in Agrarian England, 1550鈥 1780 . By Craig ...
Energy use in the Hong Kong food system Energy use in the pre- and post-farm-gate sector of the food system is reported for crop production up to the retail outlet stage in Hong Kong in 1971. The... K Newcombe - Agro-Ecosystems 被引量: 8发表: 1976年 Food in the Future : energy ...
Energy is lost at each level of a food chain mainly in the form of ___. A. heat B. light C. sound D. water 相关知识点: 试题来源: 解析 A。解析:在食物链的每一个级别,能量主要以热的形式损失。生物在进行生命活动时会产生热量,这些热量会散失到环境中。反馈 收藏 ...
The outlet must be large enough to lift the deeper water through the pycnocline to the desired depth of primary production. The results are applied to ... TA Mcclimans,G Eidnes,J Aure - 《Hydrobiologia》 被引量: 16发表: 2002年 FROM THE DEEP SEA: FOOD, ENERGY, AND FRESH WATER The tro...
根据原句翻译有点拗口。意思是动物是不能直接从太阳获得能量的。必须要植物通过光合作用，将太阳的能量转换为淀粉之类的，然后动物把植物吃了，获取能量。数学辅导团为您解答，有错误请指正，不明白请追问。没问题就采纳吧，祝你学习进步，更上一层楼！(*^__^*)...