| 1. | The construction of irrigation ditches in wetland changes the hydrology state , and thus influences the biological geochemistry circulation
沟渠的修建改变了湿地的水文状况，因此影响了湿地的生物地球化学循环。 |
| 2. | The atmospheric co _ ( 2 ) consumed by rock weathering is long been recognized as providing a major loss of carbon and decreasing atmospheric co _ ( 2 )
岩石的风化剥蚀作用是研究物质地球化学循环和全球气候变化的重要环节之一。 |
| 3. | Chemical and stable carbon isotopic compositions of the ground waters of guiyang city , china : implications for biogeochemical cycle of carbon and contamination
碳同位素和水化学在示踪贵阳地下水碳的生物地球化学循环及污染中的应用 |
| 4. | Wetlands have unique biogeochemical cycles with many chemical transformations and chemical transport processes that are not shared by many other ecosystems
摘要湿地有其独特的生物地球化学循环，其间许多化学迁移和转化过程不为其它生态系统所共享。 |
| 5. | Based on the case study of soil environmental impact assessment of remelted lead , approach on methods of qualitative analysis of soil environmental status and assessment and prediction were discussed
再生铅冶炼对土壤环境的影响，首先进行环境影响识别，并根据冶炼中铅的排放强度和铅的生物地球化学循环规律来阐明其排放特点和进入土壤的途径。 |
| 6. | If all goes well , the hybrid rov will let scientists better understand fundamental processes occurring at the deep subduction zones along the continental margins where geochemical recycling of the earth ' s crust takes place
如果一切都进行得很顺利，复合型遥控探测器将可使科学家更清楚地了解，发生在大陆边缘海洋深处隐没带的地质变化，以及此处地壳物质所进行的地球化学循环内容。 |
| 7. | The third part studies in detail on landscape ecological structures and functions of small watersheds in the region , including spatial physical structure and its differentiation ; biological structure and balance among its components . as a compound ecological system , function and its evolvement of small watersheds has also been touched . several landscape processes relating to functions , including biogeophisical processes , biogeochemical cycle and biogeosocial cycle have also been analyzed
第三部分详细研究了k域小流域景观生态学特点，包括景观空间物理结构及其分异；景观生物结构及其平衡；同时探讨了作为一个复合生态系统，小流域景观功能及其发展变化特点；认真分析了与功能有关的景观过程：牛物地球物理过程，生物地球化学循环以及生物地球社会循环。 |
| 8. | In order to understand the effects of drainage ditches on the biogeochemical cycling in wetland , this paper takes the sanjiang plain as an example , and makes a detail introduction to the impacts of drainage ditches on the characteristics of movement , transformation , inputs and outputs of chemical elements and on the chemical mass balance
以三江平原湿地为例，从沟渠对湿地化学元素迁移转化、湿地化学元素输入输出和湿地化学质量平衡影响方面分析了沟渠对湿地生物地球化学循环的影响。 |
