| 1. | Relationship between sporopollen and major trace elements in the low - rank coals 低熟煤中的孢粉与常量元素和微量元素的相关性初探 |
| 2. | New discovery of sporopollen in the permian jiawendaban formation in the west kunlun - karakorum area 喀喇昆仑二叠纪加温达坂组孢粉化石新发现 |
| 3. | A study of holocene sporopollen assemblage and its environment significance in the zhangde basin , yidun , west sichuan 川西义敦章德坝子全新世孢粉组合和环境研究 |
| 4. | 4 . according to the sporopollen assemblages , the types of the vegetation cover , climates and its evolution can be gained 4 、利用孢粉种属组合特征,恢复不同时期的植被类型、气候及演化过程。 |
| 5. | Paleoclimatic and paleoenvironmental evolution since the late glacial epoch as recorded by sporopollen from the hongyuan peat section on the zoig 234 ; plateau , northern sichuan , china 川北若尔盖高原红原泥炭剖面孢粉记录的晚冰期以来古气候古环境的演变 |
| 6. | In the paper , based on the characteristics of sediments and the susceptibility , the sporopollen diagram was divided into five palynofloral zones by trying to use the cluster analysis of the ordered samples and the program of c + + 本文尝试利用有序样品的聚类分析方法,对孢粉带进行划分,并用c + +编写程序,得到5段最优分割。并结合沉积物特征、磁化率特征及孢粉图式划分出5个孢粉带。 |
| 7. | According to researches on jurassic sporopollen features and physical characters of rocks in northwest area , it has been considered that the most obvious temperature - rise event , happened in the late stage of middle jurassic to the end of late jurassic time , results mainly from the global temperature - rise of the jurassic 通过对西北地区侏罗纪孢粉学特征的研究,并结合岩石的物理属性,认为中侏罗世晚期到晚侏罗世末存在一次最为明显的升温事件,其主要原因是由于侏罗纪全球性气温升高所导致。 |
| 8. | Abstract : according to researches on jurassic sporopollen features and physical characters of rocks in northwest area , it has been considered that the most obvious temperature - rise event , happened in the late stage of middle jurassic to the end of late jurassic time , results mainly from the global temperature - rise of the jurassic 文摘:通过对西北地区侏罗纪孢粉学特征的研究,并结合岩石的物理属性,认为中侏罗世晚期到晚侏罗世末存在一次最为明显的升温事件,其主要原因是由于侏罗纪全球性气温升高所导致。 |