pollen的例句大全

Grass; Studies on the Sensitivity of Patients with Bronchial Asthma to Chenopodium Album Pollen

藜草花粉过敏与支气管哮喘的研究

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The concept of an alternation of generations can be extended to the flowering plants, in which the embryo sac and pollen represent the much reduced famale and male gametophyte generations respectively.

这个概念也可以运用在有花植物上，由胚囊和花粉各自表达雌雄配子体世代。

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The outer wall of epidermal cells with spininess becomes slightly thick at mature pollen stage.

表皮细胞外壁在花粉成熟时期略有增厚，且具小刺状突起。

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It could be seen as an arrangement to have flowers ready when pollen arrives.

可以把它看成花粉到来时花早已作好准备的一种配合.

词典精选例句

Studies on the pollen morphology of Chinese Trichosanthes.

中国栝楼属花粉形态的研究.

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Effect of Bee Pollen on Blood Sugar and Liver Glycogen in Fasted Rat and Mice

蜂花粉对大鼠、小鼠糖代谢的影响

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Unpollinated ovary in vitro culture ways and pollen irradiation induced gynogenesis pathway can induce melon haploid plants. Homozygous double haploids will be obtained via chromosome doubling rapidly.

通过未授粉子房离体培养途径和辐射花粉授粉诱导雌核发育途径诱导甜瓜单倍体植株，再经染色体加倍迅速获得纯合的双单倍体植株（Double Haploid）。

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After microspore divi-sion and the big vacuole decomposition, many calcium granules accumulated again on the mem-brane of the vacuoles ( Plate III-1, 2), displaying calcium regulates vacuole formation and decom-position during pollen development.

小孢子分裂后，大液泡消失过程中又伴随着许多钙颗粒附在小液泡膜上，显示出Ca2+与花粉中液泡的形成和分解有关。

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The process of pollen abortion begins with vacuole formation and gradual enlargement in the tetrad.

花粉败育的过程从四分体开始，细胞质内液泡逐渐增大，接着细胞器解体，细胞核解体。

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Just before the first mitosis of microspore, cytoplasm arise from one side of the nucleus facing the aperture and form a cytoplasmic strand which connects with the cytoplasm of external end of pollen through the large central vacuole.

小孢子第一次有丝分裂前夕，细胞质在核向萌发孔的一面集中并形成穿过中央大液泡的细胞质索。

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However, aminopeptidase in maintainer line at trinucleate pollen stage belonged mainly to the cysteine type.

而在三核期，保持系的氨肽酶则主要为半胱氨酸型。

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The pollen morphologies support the viewpoint that Tribe Areae is the most evolutive taxon of Araceae.

花粉形态特征支持天南星族为本科最进化类群的观点。

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It was also the term they used for" bee bread", or pollen, which was considered the food of the immortals. canna grown especially for its edible rootstock from which arrowroot starch is obtained.

他们还把蜜蜂的食料，即花粉，也当作长寿食品。美人蕉属植物，根茎可食，是食用淀粉的来源。

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So that they can go and carry the pollen to another Arum.

这样他们就可以带着白星海芋的花粉去给其他海芋授粉了。

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The result showed as below: the pollen shape of the Chinese dwarf cherry were nearly spheroidal or super-spheroidal and the type of apertures are tricolporate.

结果表明：欧李花粉形态为长球形或椭圆形，萌发孔为三孔沟类型；

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Effects of different auxins on pollen morphogenesis in Hyoscyamus niger

生长素在天仙子（Hyoscyamus niger）花粉形态发生中的效应

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Through study on the meiosis course of Avignon pollen mother cells, and the result shows: there is some correspondence between flower buds length and PMC developmental periods.

通过对花粉母细胞减数分裂进程观察，发现花蕾长度与减数分裂进程存在着一定的对应性。

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This provides a firm basis for the collection and industrial development of pine pollen.

为松花粉的合理采集及产业化开发提供依据.

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Pollen tube prolongs on the surface of axile placenta in locule for 2-4 hours.

花粉管在子房室中轴胎座表面生长经历2~4h。

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This study intends to do a comprehensive survey about cytological, anatomy and the growth characteristics of pollen tube, which can lay the foundation for determining the biological mechanism of rice fertility.

本研究拟通过全面的细胞学、解剖学和花粉管生长特性调查，为确定该育性控制基因控制水稻育性的生物学机理奠定基础。

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