查询词典 sieve cell
- 与 sieve cell 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Transfer cell A specialized type of plant cell in which the cell wall forms protuberances into the cell, thus increasing the surface area of the wall and plasma membrane.
传递细胞:植物的一种特化细胞,其细胞壁形成突起深入细胞内部,因此增大了细胞壁和细胞膜的面积。
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There are some little cells with diameter 4.5~8.3 μm in molecular layer. Purkinje cell is like a pear in Purkinje cell layer, it's base width is 17.8~25.6 μm, it's height is 18-30 μm. There are lots of rough endoplasmic reticulum, free ribosome, mitochondria, golgi body, lysosome, etc. in Purkinje cell. Granular cell ratio of nucleus to cytoplasm is high in granular layer.
分子层含少量小细胞,细胞大小在4.5~8.3μm; Purkinje细胞层细胞体呈梨状,底宽在17.8~25.6μm之间,高约为18~30μm,细胞中含有丰富的粗面内质网、游离核糖体、线粒体、高尔基体、溶酶体等;颗粒层的颗粒细胞细胞核大,细胞质少。
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We used R1 cell line, primary established by Nagy in Canada, as ES cell to establish culture environment for ES cell, and successfully subculture R1 cell with LIF and gelatinized dishes and observed its growth characteristic.
同时,也初步建立包括129小鼠基因组文库筛选获得基因组DNA片段、基因组DNA结构分析、基因打靶载体构建、ES细胞体外培养、电穿孔基因转移、重组事件的药物选择和分子鉴定在内的ES细胞基因打靶技术。
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The pores are lined with callose, and allow cytoplasmic strands to pass from one sieve cell to the next.
孔与孔之间列成直线由胼胝质联系,其内允许细胞质细流从一个筛胞通向另一个。
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Subcellular localization of ATPase activity in the flesh of developing apple fruit was carried outusing a lead phosphate precipitation technique via electron-microscope. The ultrastrcture of phloemand its surrounding cells was also observed. The results showed that ATPase activity wasdominantly localized on the plasma membranes of sieve element/companion cell complex.
应用铅沉淀的细胞化学方法,研究了发育过程中苹果果肉内卸载区(韧皮部及其周围薄壁细胞)ATP酶的亚细胞分布和变化,并且,作为补充,观察了韧皮部及其周围薄壁细胞的超微结构。
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The results displayed the symplasmic isolation of sieve element/companion cell complex from the surrounding parenchyma cells, and suggest that the photoassimilate unloading from phloem follows an apoplasmic pathway and must be facilitated via the sugar transporters.
由此可见,苹果果实韧皮部组织同周围薄壁组织存在共质体隔离,同化物必须通过糖转运蛋白的介导从筛分子以跨越质膜的方式卸出到质外空间,然后再装载到周围薄壁细胞中。
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Cyclosis The streaming of cytoplasm in a circular motion around the cell observed in some plants, particularly young sieve tube elements.
胞质环流:在一些植物细胞特别是在幼筛管分子中观察到的细胞质围绕细胞的环形流动的现象。
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In contrast to xylem components , sieve tube elements have nonlignified cell walls , and a living enucleate without a nucleus protoplast .
与木质部组分不同,筛管分子具有未木质化的细胞壁,没有核但有活的原生质体,因此是活细胞。
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Sieve element A vascular cell in the PHLOEM, whose function is to transport sugars and other nutrients from the site of production to the site of utilization or storage.
筛分子:植物韧皮部的管状细胞,其功能是将糖类和其它营养物质由产生地运送至被利用或储存的地方。
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Compared with the pure AlPO 4-5 molecular sieve, the unit cell volume of Cr-AlPO 4-5 expanded and its skeleton vibration peaks in FT-IR spectra shifted to low wavenumbers.
但是 ,由于苯环上共轭大π键所产生的化学稳定性,使得苯在温和条件下难于发生反应;因此,必须选择高活性的催化剂。
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- 推荐网络例句
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Methods Clinical data of 3 cases of bile duct injury during laparoscopic cholecystectomy were analyzed retrospectively.
回顾总结3例LC术中胆管损伤的临床资料,分析3例胆管损伤的原因及对策。
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These techniques are applied to the gobang.
本文将这些技术用于五子棋中。
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I don't want to add to your trouble.
我不想给你增加麻烦。