查询词典 exine

Combining the previous research on the pollen morphology, the present study indicated that: the plants of Stachyurus shared the common characters in pollen morphology and exine ultrastructure.

结果表明：旌节花属植物花粉形态的共同特征是：花粉粒球形或近球形，三孔沟；外壁具穴状纹饰，穴较细小；外壁内壁分层明显，容易区分，覆盖层光滑，几无附属物，柱状层明显，穿孔较少，不形成半覆盖层。

The exine of pollen wall of rice was constructedduring microspore development and consisted ofsporopollenin which came from tapetal cells.

探索ATP酶在细胞中的分布状态是研究细胞物质运输和能量代谢的重要手段(Serrano1989；Fedorova等1999)。

The results proposed that the abnormalities of microsporocytic cytoplasm or pollen exine, rather than the tapetal development caused the pollen abortion of Peiai 64S.

据此认为，培矮64S的花粉败育可能是由小孢子母细胞或花粉外壁的异常发育造成的，而不是由绒毡层发育引起的。

It is considered to be an original character that various processes densely arranged on the exine.

孢子颜色在分类和系统发育上的意义还有待于观察和探讨。

However, differences in the development of each of these units have produced a variation in the structure of the exine.

然而由于每一部分发育状况的不同，而导致每一种植物花粉的外壁结构具有各自的鉴别特征。

Scanning electron microscopy revealed that the microspores could not form normal exine.

扫描电镜观察结果显示，小孢子壁光滑，不能形成正常的外壁。

Pollen exine ultrastructure were compared for 18 populations growing under in the same environment by means of scanning electron microscope.

借助扫描电镜对栽培在同一生境下的18个半夏居群的花粉形态、大小及表面纹饰等特征进行观测比较。

Pollen morphology is remarkably diverse, particularly in aperture and exine ornamentation.

花粉形态特征，特别是在萌发孔和外壁纹饰上表现出多样化。

Further examination by scanning electron microscopy indicates that the mutant microspore exine is aberrant and broken.

扫描电镜结果显示，突变体花药中小孢子外壁异常、破裂。

The structure of pollen wall provides many characteristics for systematic botany, among which the stratification, struture and ornamentation of exine is basel.

花粉壁的构造提供了若干在系统发育上有用的特征，其中外壁的层次、结构以及纹饰是基本的。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。