According to the analysis of grain-size, foraminifera, spore-pollen, and 14C dating for two drill cores from submerged forest area in the tide-zone of Shenhu bay, Fujian province, we reconstructed the history of the natural enviroment evolution during the Holocene in the area, and the history of the paleoforest for both growth and being covered.
本文根据福建深沪湾潮间带古森林遗迹分布区的两个钻孔岩芯的粒度、有孔虫、孢粉、古土壤和14C年代等方面的分析测试资料,恢复了该区全新世自然环境演变与海底林生长与掩埋的历史。
Obvious overpressure constraint of deep source rock evolution was found through high temperature and pressure simulation experiment, natural thermal evolution and geological case studies.
热压模拟实验、烃源岩自然演化和勘探实例研究表明,深层烃源岩演化明显受到超压的抑制。
The paper analyzes the changes of soil in natural succession process including environmental features,nutrient and seed pool;furthermore it indicates climax community of Karst areas vegetation and specialty of direction towards community su.
植被的自然演替是岩溶地区生态重建的主要方式。
The process of natural succession of vegetation in Karst rocky desertification area in central Guizhou was divided into the herbosa stage,the stage of herbosa-shrub,the stage of vine-shrub,the stage of subaltern tree forest and the stage of evergreen broad-leaved forest according to the characteristic of plant community.
根据植物群落的特征,将黔中喀斯特地区石漠化后植被自然演替过程分成草丛阶段、草灌阶段、藤刺灌丛阶段、次生乔林阶段和常绿阔叶林阶段,应用物种丰富度指数、Simpson指数、Shannon-Wiener指数和Pielou均匀度指数分别研究各演替阶段草本层、灌木层、乔木层和群落总体的物种多样性。
Pollution, however, hastens the natural rate of aging.
然而,污染却能加速老化自然演变速度。
Natural Evolution and Artificial Land Accretion of Lagoon on Northwest Coast of Bohai Bay
渤海湾西北岸泻湖自然演变及其人为陆化
The Evolvement of Artificial Nature and Social Progress;
人工自然的形态演变过程和社会进步
Connotative Evolvement of Community Co-Management in Yunnan s Nature Reserve;
云南自然保护区社区共管内涵的演变
Human and nature:"value-based"evolution;
人与自然:基于“价值”概念的演变
Reflection on the Relation between Man and Nature: A Perspective of the Progress of Science and Technology;
从科技的发展看人与自然关系的演变
Evolution of Confucianist View of Seclution and that of Nature from the Pre-Qin Times to the Tang Dynasty;
儒家隐逸观与自然观自先秦至唐的演变
Inner Logic Between Evolution of View of Nature and Technological Development:Dialectical Return of View of Nature
自然观演变与技术发展之间的内在逻辑——兼谈自然观的辩证回归
The evolution of species presupposes a process of natural selection.
生物演变是以自然选则的过程为前提的
He concluded that these expressions evolved through natural selection.
他得出结论,这此表达方式经自然选择演变而来。
Mechanisms on Development of Agricultural Natural Resources Use in Poyang Lake Region;
鄱阳湖区农业自然资源利用演变机制研究
Discussion on Natural Environment Factor Influencing the Traditional Settlement Form Evolution;
自然环境因素影响下的传统聚落形态演变探析
Urban Morphology Evolvement Study on Cultural and Natural Factors;
城市形态演变中的人文与自然因素研究
The Evolution of the Idea of the Order of Nature in Chinese Philosophy and the Development of Science;
中国哲学中自然规律观念的演变与科学发展
On the Evolution of the Civilization and the Relationship Change of People and Nature;
论人类文明的演进及人与自然关系的变迁
The Dynamic Evolution of Natural Monopoly and the Adjustment of Government Regulation Policy;
自然垄断的动态演变及政府管制政策的调整
On the historical evolution of the western naturalist theory of the children education;
西方自然主义儿童教育理论的历史演变
The Relationship between Human Beings and Nature on the Basis of the Evolution of Human Settlement;
从人类聚居模式的演变看人与自然的关系
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