bundle sheath中文什么意思

例句与用法

更多例句：  上一页  
1. In these chloroplasts carbon dioxide combines with phosphoenolpyruvate to form oxaloacetic acid , which is transported to the bundle sheath cells , where the carbon dioxide is released , then fixed by the enzyme ribulose bisphosphate carboxylase to form glycerate 3 - phosphate , the first step in the calvin cycle
   在叶肉细胞的叶绿体中二氧化碳与磷酸烯醇丙酮酸结合形成草酰乙酸，后被运到邻近的维管束鞘细胞，在那里二氧化碳被释放，后被核酮糖二磷酸羧化酶固定形成3磷酸甘油酸，这是卡尔文的循环第一步。
2. There are many adaptive changes in the two research subjects ( artemisia . songarica schrenk . and seriphidium . santolinum ( schrenk ) polijak . ) in morphology and anatomy , such as with the increase of the daily age , the root - shoots ratio increased ; the root became stronger ; the ratio of leaf volume and leaf area increased ; the volume of epidermic cell decreased ; the cut - icle and phellem layer on the surface of root thickened . stoma caved in leaf ; epidermal hair of leaf and stem well - developed , palisde tissue developed well , the cell gap decreased ; the spongy tissue disappeared ; leaf is kinds of isolateralthat is the typical xeromorphic structure ; crystal cell and fibric cell increased ; conducting tissue and mechanical tissue developed well ; bundle sheath appeared
   实验研究的两种菊科（ compositae ）植物（准噶尔沙蒿（ artemisiasongaricaschrenk ）和沙漠绢蒿（ seriphidiumsantolinum ( schrenk ) poljak . ） ） ，形态解剖方面的变化表现为：随日龄增加，根长/株高比值日益增大；根系逐渐发达；体积与叶面积比逐渐增大；表皮细胞体积变小；角质层增厚；根外部出现加厚的木栓层；气孔下陷；叶、茎部的表皮毛密布，栅栏组织日益发达；而细胞间隙日渐变小；海绵组织逐渐消失；叶面结构常为典型旱生结构? ?等叶面；晶细胞及纤维细胞数目增多；输导组织、机械组织日渐发达；具有维管束鞘等等。
3. More anthraquinone compounds was distributed in pith ray cells and the tissues of mature stem suchas bundle sheaths in large - scale vascular bundle , primary phloem and primary xylem than that in young stem . [ conclusion ] the distribution of anthraquinone compounds in the stem was of multilocus
   结果随着茎的不断成熟，在茎的表皮、近表皮的1 ~ 2层皮层细胞及较内部皮层中，不同程度地增加贮藏和积累了一定数量的蒽醌类化合物，成为茎外部贮藏和积累蒽醌共化合物的主要结构部位成热茎大型维管束的维管束鞘、初生韧皮部、初生木质部等组织和髓射线细胞分布了比幼茎多的蒽醌类化合物。