palynology造句
例句与造句
- According to the analytic results of palynology , fifteen narcissus materials were - grouped into five types
依据解剖学的分析结果， 15份材料分为5类。 - Prof . hsu jen , the founder of palynology in china , was elected as the first president , and some 300 palynologists enrolled as founding members
作为中国孢粉学的奠基人，徐仁教授prof . hsu jen当选为理事长。 - 3 . palynology pollen grains of 23 species in seven genera of the tribe hyoscyameae and three related genera were investigated under sem
孢粉学在扫描电镜下研究了该族7属及其它3属共10属23种植物的花粉形态学特征。 - In this paper , the morphology , palynology and anatomy of fifteen narcissus materials were investigated . and the results were applied to the classification of plants in narcissus l .
本实验对15份水仙材料进行了形态学、解剖学和孢粉学三方面的初步研究，并将之应用于水仙属植物的分类。 - The research during the prehistoric period is a base and difficult palynology which provides numerous evidences plays an important role and makes great contributions to the research on holocene environment changes
其中全新世以来史前时期是全新世环境变化研究的基础和难点。孢粉学在全球环境演变研究中提供了大量证据，发挥了重大作用，成果显著。 - It's difficult to find palynology in a sentence. 用palynology造句挺难的
- Subsequently , a large number of palynologists were trained , and a large number of palynology laboratories were begun throughout the country to meet the urgent need for extensive geological surveys and energy resource exploration
此后，为了满足国家地质调查和能源勘探工作的需要，大批人员接受培训成为了孢粉学家，他们在全国各地许多部门建立了孢粉学实验室或工作机构。 - Palynology pollen of ephedra from china is studied . four types of pollen have been found in the genus , namely type a , b , c , and d , according to the number and structure of ridges and structural characters of grooves
4 、孢粉学补充了麻黄属中非常特化的种? ?斑子麻黄的孢粉资料，同时也对膜果麻黄( ephedraprzewalskii ) 、中麻黄、细子麻黄和木贼麻黄的孢粉重新进行了研究。 - The methods of classical classification , integrating the study on seed morphology and leave epidemics morphology , along with phytomorphology , phytotomy , phytoembryology , palynology , phytocytotaxonomy , phytochemistry and molecular systcmatics , were used to revise and complete the former taxonomic system
以经典植物分类学方法为基础，结合种子形态学和叶表皮形态学的实验研究，参考植物形态学、植物解剖学、植物胚胎学、孢粉学、植物细胞分类学、植物化学和分子系统学等方面的资料，对前人的五味子属分类系统进行修订和补充。 - Numerical taxonomy on the basis of the morphology and palynology , 11 taxa were studied using the numerical taxonomy , on which relationship between the species were discussed . the results revealed that relationship among 34 characters used by the numerical taxonomy were relatively isolated . 5 . molecular systematics data obtained from rapd technique significantly shows relationship between this species
数量分类研究在形态和抱粉学观察的基础上进行了润捕属植物的数量分类研究，探讨了各类群间的相互关系，所获得的结论与比较形态学和抱粉学研究的结论基本一致。 - The aim of this work is to have a better understanding of the structure , differentiation and phylogenetic relationship of the tribe hyoscyameae in the solanaceae using evidence from leaf epidermis , seed morphology , palynology , embryology , floral organogenesis , trnl - f and its sequences , and plant geography . the results are summarized as follows : 1 . leaf epidermis leaf epidermis of 21 species in seven genera of the tribe hyoscyameae and four species in four related genera was investigated under both light microscope ( lm ) and scanning electron microscope ( sem )
解剖学在光学显微镜和扫描电镜下，观察了茄科天仙子族( hyoscyameae ) 7属21种及邻近4属4种共25种植物的叶表皮特征，结果表明：气孔器在各种植物的上、下的表皮均有分布，多为无规则型，也有不等细胞型；叶表皮细胞形状有不规则形、十字形、近长圆形和不规则多边形，垂周壁较平直或各种波状。 - Abstract : based on the brief introduction of the ohgin , distribution and the collection and conservation of the germplasm resources of apricot , mainly on the variety classification , pollination biology , evaluation of palynology and molecular biology , the genetic and variation characters of hybrid progeny , breeding objectives and technique were reviewed . some research programmes needed to be studied in this field in the future were suggested
文摘:在简要介绍杏的起源、分布及种质资源收集保存的基础上，着重对杏品种资源的分类、授粉生物学、孢粉学及分子生物学评价以及杏杂种后代遗传变异特点、育种目标及育种技术进行了综述，并提出了今后的研究方向。 - In the 25 species examined , the epidermal cells fall into four types in terms of their shape and the pattern of the anticlinal wal ls . these types correlate to some extent with features of gross morphology , palynology and plant geography of the ten genera studied . features of cuticular membrane can be used to differentiate clearly the two genera physochlaina and hyoscyamus , and some species within them
颠茄叶表皮细胞形状和垂周壁式样在一些属和种中有一定的规律性，并与外部形态、孢粉学性状或地理分布相关；叶片表面角质膜的特征对属和种的划分也有一定意义。 - ( 3 ) the research of lycoris on the systematical relationship of micro - morphology and anatomy is absent . it is essential to generalize the character inde xes of morphology , anatomy , cytology , palynology and molecular physiology . so we can establish classification system of lycoris and draw a reasonable family tree of lycoris
因此，必须综合形态学、解剖学、细胞学、孢粉学和分子生物学等各方面的性状指标，才能够建立更合理的石蒜属植物分类系统，并绘制出完整的石蒜属分支系统树。
