Surface pollen may be a part of the alluvium pollen.
表土花粉可能成为冲积物花粉的一部分。
On the basis of surface pollen data, vegetation and climate since 30 ka in both islands were reconstructed.
根据孢粉资料恢复了两个岛屿3万年以来的植被和气候。
This indicates that total pollen concentration is not an essential factor for studying the relationships between surface pollen and vegetation.
花粉浓度在草原区花粉与植被关系研究中意义不明确。
Arboreal pollen in alluvium mainly came from the surface pollen fallen on the ground in spring which was carried by sheet flow during the floods.
洪水期冲积物中的木本植物花粉主要是由雨水片流将春季落入表土的花粉带入河水中所致。
The EPA estimates that the insects face no observable harm when consuming milkweed leaves laden with up to 150 corn pollen grains per square centimeter of leaf surface.
环保署估计，即使马利筋叶片上每平方公分有高达150颗的玉米花粉，昆虫食用后也没有明显的危害。
Besides, functional classification and expression analysis of all intergrated proteins have also been processed and a database of arabidopsis pollen surface proteins has been constructed.
然后，对整合的所有蛋白质进行了功能分类和表达分析，并建立了拟南芥花粉表面蛋白质数据库。
Surface soil pollen under various tropical vegetations in Hainan is investigated and these pollen data are used to do simulation of vegetation types.
调查分析了海南岛各种热带植被下的表土花粉，并根据花粉数据进行植被类型的模拟。
Self_incompatibility in Brassica is controlled by a single multiallelic locus (designated as S locus) that is responsible for pollen recognition on the stigma surface.
芸薹属植物自交不亲和性受单一位点的复等位基因控制，此位点命名为S位点。它决定柱头表面花粉识别的专一性。
Pollen surface granulate merely on the shoulders of mescolpium, but smooth all the rest;
花粉粒表面仅两端具颗粒纹饰，其余部分光滑；
The explosive reactions are activated when an allergen (such as pollen particles) binds to receptors on the surface of the mast cell, which then opens and secretes part of its contents.
当变应原(例如花粉微粒)粘附到肥大细胞表面受体后，将引发爆炸反应，肥大细胞裂开并且分泌出部分内含物。
There were remarkable variations in the shape, volume, location and number of bourgeon -hole channels and veins on surface of pollen among pollens of TRP.
四倍体刺槐自身花粉粒的形状结构之间表现出丰富的变异：体积与形状多样，萌发孔沟的数量及位置不固定，外壁表面的纹饰特征彼此不同等等；
The ubisch bodies which appeared on the inner tangential wall of the tapetum at the time of microspore wall formation are partially remain on the surface of matured pollen grain.
小孢子壁形成时开始在绒毡层内切线壁出现的球状体到花粉粒成熟时仍有一部分附着于花粉粒表面。
The results showed that the type of microsporic tetrads of the simple flower is belong to tetrahedral type and the mature pollen is two-celled with bristles on the surface.
单瓣紫花木槿的小孢子母细胞经过减数分裂形成四面体状的四分体，成熟花粉是二细胞型花粉，圆球型，表面有刺毛。
It was observed and discovered under electronic microscope that the effects of drought stress on surface ultrastructure of pollen and filament were quite obvious.
电子显微镜下观察发现：干旱胁迫对玉米花粉和花丝表面超微结构均产生了明显的影响。
Pollen that floats is light and water repellent, and may have a coating of oil that alters the surface tension of the water.
漂浮在 水面的花粉非常轻且 具有疏 水性，其原因可能是花粉表面具有一层油脂使得 水的表面张力发生改变。
The results showed that there were obvious differences among the pollen grains in terms of pollen size, shape, colour and surface structures.
结果表明：所研究的植物花粉粒在大小、形态、萌发器官和外壁纹饰上有明显差异；
Pollen tube crawled (twisted) at the stigmatic surface.
花粉管在柱头内逆行生长；
Relationships between pollen flora and modern vegetation have been discussed based on surface soil pollen investigation along the Yulong Snow Mountain—Hutiaoxia Gorge—Diancangshan Mountain.
在对玉龙山—虎跳峡—点苍山一带表土孢粉调查的基础上，对区内植被与孢粉散布的关系进行了探讨。
Average pollen concentration in the modern deposits is much less than those in surface soils on both the grassland and the cultivated land.
现代沉积旋回的孢粉平均浓度，远低于草地和坡耕地表土，这表明草地和坡耕地土壤不是沉积泥沙的主要来源。
Few pollen grains of open flower self-pollination attached and germinated in the stigma of self-incompatible individuals, and intensive callose reaction occurred on the surface of stigma.
自交亲和系萝卜单株花期、蕾期以及自交不亲和系单株蕾期授粉后花粉多数能够正常萌发并穿越柱头进入子房。
Surface structure of the pollen grains was found to be one of the major factors affecting the feeding behavior of the predator.
花粉粒的外部形态结构，是影响该螨能否取食的重要因素之一。
Surface structured silica hollow microspheres were synthesized using the rape pollen grain as a biotemplate via a facile sol-gel method and a succedent calcinations process.
利用油菜花粉作为生物模板，通过溶胶在花粉颗粒表面包裹，再经高温烧结去除花粉颗粒的方法制备了具有特殊表面形貌的二氧化硅中空微球。
Self_incompatibility in Brassica is controlled by a single multiallelic locus (designated as S locus) that is responsible for pollen recognition on the stigma surface.
芸苔属植物自交不亲和性受单一位点的复等位基因控制，此位点命名为S位点。
Modern pollen data from surface samples, reflecting present vegetation types across the eastern part of China, were used to set up pollen climate transfer functions.
取自中国东部区域的表土层孢粉数据被用来建立孢粉-气候转换函数。
The representation of pollen in surface soil is different between families and genera.
表土花粉的代表性因种属的不同而各有差异。
The representation of pollen in surface soil is different between families and genera.
表土花粉的代表性因种属的不同而各有差异。
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