查询词典 pollen

It is motile and is produced in an antheridium, except in certain gymnosperms (e.g.Cycas, Ginkgo) in which antherozoids develop from the generative cells of the pollen tube.

除了在一些由花粉管的生殖细胞产生配子的裸子植物中（铁树 Cycas，银杏 Ginkgo ），通常是由精子器产生的并且会游动。

There are different opinions of the taxonomy on the subfamily, tribe, genus and species of Umbelliferae because the taxonomic system of Umbelliferae is based on the typical umbrella anthotaxy and its fruit with specific secretory tube. The pollen morphology is carefully observed in this test in order to provide several basic data for the taxa of Ferula and Heracleum.

但是由于伞形科的分类系统是建立在典型的伞形花序和带有特殊分泌管的果实的基础之上的，使得分类学者在亚科、族、属和种的设立和分类方面存在分歧，实验主要针对阿魏属和独活属的花粉形状进行研究，对阿魏属和独活属植物的分类提供一些基础数据。

The results suggest: the three culturalss pollen germination percentage were more than 60% 4 h after cultured in liquid culture medium composed 10% sucrose, 24℃; Florescence most concentrated April third-tenth (2003); For Zaomeisu and Qiyuesu ,their anthotaxy and flower self setting fruit percentage were more than 90%,except for China pear 1, anthotaxy self setting fruit percentage was 48.3%, flower self setting fruit percentage was 33.1%; Their cross-compatibility was higher, anthotaxy and flower self setting fruit percentage almost reached 100%, the lowest also reached 94.9%, but last self-compatible gathering fruit percentage was lower comparatively and fruit average seed numbers were lower, while cross-compatible gathering fruit percentage and fruit average seed numbers were closed to that of nature pollination.

对梨品种亲缘关系很近的早美酥、中梨1号、七月酥等进行的花粉发芽率、花期调查、自交亲和性、异交亲和性调查的结果表明：三者的花粉在10%的蔗糖液培养基上，24℃左右培养4h后花粉发芽率均能达到60%以上；三者的花期大都集中在4月3日-10日(2003年)；早美酥、中梨1号、七月酥的自花授粉坐果率，除中梨1号的花序自花授粉座果率为48.3%，花朵自交座果率为33.1%外，早美酥、七月酥的花序自交座果率和花朵自自花授粉座果率均达到90%以上；它们的异花授粉坐果率更高，在本试验中花序坐果率和花朵坐果率都可达到94%以上，但最终采果率自花授粉的相对低一些，果实平均种子数也低，异花授粉的最终采果率和果实平均种子数与自然授粉条件下的近似。

It was found that the antioxidative and antiradical capacity of the amygdlin from almond pollen were weaker than that of ethanol extracts and supernatant after amygcllin crystallization, except hydroxyl radical scavenging capacity.

结果表明：杏花花粉中苦杏仁苷的抗氧化能力，除清除羟自由基以外均低于杏花花粉醇提物和苦杏仁苷结晶上清物。

Within a radius of 3 km from the apiary site, nectar and pollen sources consist essentially of organically produced crops and / or spontaneous vegetation, and other crops treated with low environmental impact methods.

基本上由有机的作物或自然的植被或其它的较少受到环境影响的作物组成的花蜜和花粉源在养蜂场半径的3km之内。

SSR analysis indicated that triploids were derived from nucellar apomixis; diploids were most probably from sexual crosses of haploid female gametes and alien pollen grains.

SSR分析结果表明三倍体后代来源於柑橘珠心细胞的无融合生殖，而二倍体个体很可能是单倍体的雌配子与外界花粉杂交后代。

They may represent what remains of the archegonium in angiosperms and the pollen tube may penetrate a synergid first, but they do not participate in the fertilization process and abort soon afterwards.

它们扮演了残留的被子植物藏卵器的角色。花粉管可首先穿透其中一个助细胞，但助细胞并不参与到受精过程中去，而且随后会消亡。

By the nucellar cells PCD, which were encircling the female gametophyte, the pollen chamber connected with the archegonium chamber for the fertilization in coming.

在胚珠中的雌配子体发育完成、受精过程开始之前，贮粉室与颈卵器室贯通。这一过程是通过雌配子体周围的珠心细胞发生程序性死亡完成的。

HPLC was used to determine the content of brassinolide in Areca catechu pollen .

采用高效液相色谱法测定槟榔花粉中芸苔素内酯的含量。

Unicolor in autogamy shows different the seed-setting percentage in different pollinating methods, with the result as the higher rate of self-fruitfulness through xenogamy. Based on hybridization, genetransferring through pollen-tube pathway to Lilium davidii van Unicolor is researched. The master of basic technique of exogenous DNA transferring to Lilium davidii var.

在进行了有性杂交的基础上，选取具有较高结实率的兰州百合作为受体，利用花粉管通道导入法，对一些百合品种的总DNA在在兰州百合中进行了初步研究，基本掌握了在兰州百合中进行外源DNA导入的基本操作方法，提供了一组以结实率和有胚种子率为标准的优化参数。

I want to be a big fish in a small pond.

我要做一条在小池塘里的大鱼。

While the software functioned well, we did not feel the same about their customer support!

虽然该软件运行良好，我们没有同样的感觉他们的客户支持！