pollen的例句大全

The skin prick test ( SPT) and bronchial provocation test ( BPT) to Chenopodium album pollen ( CAP) were performed in patients with allergic asthma.

为了确定藜草花粉过敏原对哮喘患者的致敏作用。对外源性哮喘患者用藜草花粉过敏原进行了皮肤挑刺试验（SPT）和支气管激发试验（BPT）。

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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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Genetic analysis for breeding maintainer line of male sterility of wild rice with abortive pollen

野败水稻雄性不育保持系选育的遗传分析

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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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Effect of pollinating varieties and pollen amount on persistent calyx of Ya pear

授粉品种和花粉量对鸭梨果实花萼宿存的影响

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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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Pernyi were investigated separately in the field and laboratory in 2002. The pollen bioassay demonstrated that the deposition at the distance from 1 m inside and 1 m outside of the cotton field balk was less than 200 grains/ cm2 after 5 days exposure.

花粉沉积量测定表明，棉田内1m至棉田外1m的范围内，棉花花粉5d累积密度低于200粒/cm2。

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Objective To explore the protective effect of Pine Pollen on arsenic ( As) poisoning rats by measuring the content of serum As and the activity of Glutathione Peroxide ( GSH-PX).

目的通过研究松花粉对砷中毒大鼠的血砷含量、血清谷胱甘肽过氧化物酶（GSH-PX）活性的影响，来检测松花粉对砷中毒大鼠的防护作用。

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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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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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