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为研究植物的蒸腾作用，小明做了如图所示的实验：�取长势及叶片数量相同的3条枝条，分别编号a、b、c。�将b枝条每片叶子的下表皮涂上凡士林，将c Template




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sketch 5066 Rey Helado by Gleny Acevedo
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sketch 5341 Rafael Nadal by Alina Danielle
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sketch 5059 Edward Hopper&#;s &#;Nighthawks&#; by Rosanne Zammit
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tomski为研究植物的蒸腾作用，小明做了如图所示的实验：�取长势及叶片数量相同的3条枝条，分别编号a、b、c。�将b枝条每片叶子的下表皮涂上凡士林，将c coloring
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为研究植物的蒸腾作用，小明做了如图所示的实验：取长势及叶片数量相同的3条枝条，分别编号A、B、C。将B枝条每片叶子的下表皮涂上凡士林，将C sketch template
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小明设计了如图实验装置来验证叶的蒸腾作用．取三支试管各注入相同体积的清水分别插入一棵大小相似的枝条甲乙装置枝条保留全部叶丙装置枝条 sketch template
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下图是用蒸腾计测定植物吸水和蒸腾速率的实验装置 1装置建成后测定时间为20 H实验前后数字天平上的整个实验装置重量分别为3462 sketch template
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图是蒸腾作用水的吸收和运输示意图学研究得知植物体吸收的水分只有1% 5%保留在植物体内或被利用其余部分散失到体外的空气中可见蒸腾 sketch template
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39．如图为测定植物蒸腾作用的简易装置整 个装置是密封且充满水的仅细管中留有 一个气泡根据标尺可计算出气泡移动的 位置进而计算出水分 sketch template
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2．植物的蒸腾量植物靠根系从土壤中吸收来的水分绝大多数要通过蒸腾作用散失到大气中去例如一株玉米从出苗到结实的一生中大约要从土壤中吸收 sketch template
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2．植物的蒸腾量植物靠根系从土壤中吸收来的水分绝大多数要通过蒸腾作用散失到大气中去例如一株玉米从出苗到结实的一生中大约要从土壤中吸收 sketch template
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植物能进行蒸腾作用。那么，蒸腾作用的主要器官是什么如图是探究植物蒸腾作用的实验装置图示。实验装置二是在实验装置一基础上改进后形成的 sketch template
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为了探究“植物完成蒸腾作用的主要器官 某研究小组的同学设计了如下实验方案 首先从一株阔叶植物上剪下大体相同的两个枝条将一个枝条插入A sketch template
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下面是兴趣小组的同学设计的两个实验装置都是用来观察植物的蒸腾作用的请你根据示意图分析解决问题1甲乙两个实验装置中 更合理学．理由 sketch template
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在观察“叶的蒸腾作用 实验中选取二枝粗细相的枝条一枝有叶一枝将叶去掉制成如图所示的AB两个装置将它们放到有阳光的地方．请回答 sketch template
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323 绿色植物的蒸腾作用 教案 济南版七年级上1 Word文档在线阅读与下载 免费文档 sketch template
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植物蒸 百度百 sketch template
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