| 1. | Central china ; mid - holocene ; pollen analysis
中原中全新世孢粉分析 |
| 2. | The sieving - analysis method , a new way of pollen analysis , is designed to fit the study needs of loess pollen
筛滤分析法正是为了适应黄土研究的需要而设计的一种新型的黄土孢粉分析方法。 |
| 3. | The dongfang plaza cultural site ; clay mineral analysis ; chemical element analysis ; spore - pollen analysis ; ancient human activity
东方广场遗址粘土矿物分析化学元素分析孢粉分析古人类活动 |
| 4. | Also , paleoclimatologists can use data from tree rings , pollen analysis and the local geology to determine the temperatures and precipitation at the time
此外，古气候学者利用年轮、花粉分析、当地地质等资料，可以确定当时的气温与雨量。 |
| 5. | Pollen analysis a means of obtaining information on the composition and extent of past floras and environments by examining fossil pollen grains , spores , and similar structures in peat and sedimentary deposits
花粉分析：指通过检测花粉化石、孢子以及在泥炭和沉积物中类似的结构，以获得历史上曾有过的植物区系、组分以及分布范围与环境信息的方法。 |
| 6. | By spore - pollen analysis of 10 samples and combining the features of spore - pollen assemblage and climatic environment , the features of evolvement of climatic environment of this sedimentary area since the middle holocene are obtained
本论文还选取其中10个样品进行了孢粉分析，并结合邻近地区的孢粉组合特征和气候环境特征，总结出该沉积区中全新世以来气候环境演变特征。 |
| 7. | We selected dongzhaitang profile in the zhaitang basin of xishan mountain , beijing area from which the malan loess got its name and study the sequence of vegetation change recorded in the malan loess of xishan mountain by means of spore - pollen analysis
本研究选取马兰黄土的命名地?北京西山斋堂盆地东斋堂砖厂剖面，以孢粉分析为手段来研究末次冰期中期北京西山黄土中的植被演化过程。 |
| 8. | We sampled the palaeosol or buried soil of this section formed during the middle stage of last glacial at the interval of 10cm and totally we got 40 samples for spore - pollen analysis . we adopted the analytic procedure that is developed by mingjian wei ( personal communication ) to treat the spore - pollen samples
以10厘米为间距，在末次冰期中期发育的古土壤中采集孢粉样品40个，用魏明建等改进的孢粉分析方法进行样品的实验室分析，通过外加标志花粉的方法计算花粉浓度。 |
