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- pollen wall structure 粉壁结构
- Liu N, Wang FX, Chen ZK., (1991).The fine structure and development of the pollen wall in Ophiopogen japonicus. 刘朝晖、刘宁、周云龙;(1999).;海金沙精细胞中生毛体发育及多层结构起源的超微结构研究。
- The results showed that pollen wall of the Genus is smooth. 结果表明:堇菜属植物花粉外壁光滑,无纹饰;
- The structure of pollen wall provides many characteristics for systematic botany, among which the stratification, struture and ornamentation of exine is basel. 花粉壁的构造提供了若干在系统发育上有用的特征,其中外壁的层次、结构以及纹饰是基本的。
- Create the interior wall structure. 创建内墙结构。
- Abstract: The structure of pollen wall provides many characteristics for systematic botany, among which the stratification, struture and ornamentation of exine is basel. 摘 要: 花粉壁的构造提供了若干在系统发育上有用的特征,其中外壁的层次、结构以及纹饰是基本的。
- All two pollen grains possess a well-developed pollen wall (exine and intine). 此二种花粉粒皆有发育良好的花粉壁,花粉外壁和内壁并存。
- Product of ATPase reaction was mainly found in plastid, ERs, matrix of cytopla sm, and intine of pollen wall. 外层与内层之间有缝隙。ATP酶活性反应产物主要分布在细胞质基质、质体、内质网和花粉内壁中。
- However, due to wear and tear, the wall structure appears to have loosened. 由于原有的砌石墙已经老化,出现松散现象。
- Product of ATPase reaction was mainly found in plastid, ERs, matrix of cytoplasm, and intine of pollen wall. 外层与内层之间有缝隙。ATP酶活性反应产物主要分布在细胞质基质、质体、内质网和花粉内壁中。
- After the meiosis of MMC, abundant calcium precipitates were accumulated in the cytoplasm of early microspores, and then in pollen wall, especially in the part of germ-pores. 在小孢子发育早期,花药药隔部位的绒毡层细胞质中钙颗粒也明显增加并特异性地分布在其内切向壁上。
- The pollen wall ultrastructures of 15 species,representing 11 genera in the Subtribe Tussilagininae and related taxa of Trib. 研究了国产菊科千里光族款冬亚族及其相关类群11属15种植物的花粉超薄结构。
- Studies were made on rupturing mixed pollen wall by fermentation of Aspergillus oryzae,Saccharomyces cerevisiae,Plerotus ostreatus and Lentinus edodes. 采用米曲霉、酵母、平菇、香菇4种微生物对混合花粉进行生物发酵破壁研究。
- The exine of pollen wall is of different electron density, the nexine dense and the sexine, comprising tectum, bacules, and foot layer, relatively thin. 花粉壁的外壁分为外层和内层,外层包括覆盖层、基粒棒和基足层等三层,内层只包含一层。
- Wall In, Wall out: This is where Stucci gets it name. This is a typical wall structure with holes or bumps. 墙内墙外:这是灰泥名字的由来。一个典型的有凹凸的墙结构。
- You can easily include details like the wall structure, building core, and electrical symbols. 您可以很方便地添加墙壁结构、建筑物核心和电气符号。
- The outer pollen wall ultrastructure of 4 excellent germplasms and their cutting offsprings showed that the tectum,columellac,foot layer and endexine had no notable variation. 花粉外壁超微结构所显示的覆盖层、柱状层、基层和外壁内层的形状或厚度,4份优质资源与其扦插后代均无明显变化。
- After you assemble the building shell and wall structure, you can add electrical symbols and dimension lines. 组合好建筑物外壳和墙壁结构后,就可以添加电气符号和尺寸线了。
- The cell wall structure of rapeseed cell is obviously different from other oilseeds. 油菜籽细胞壁的显微结构与其他油料有明显不同。
- Short pier RC shear wall structure system with concealed bracings was put forward. 提出了钢筋混凝土带暗支撑短肢剪力墙结构体系。