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| 1 | Experimental studies of tired-mineral interaction in low temperature显示文摘THE physical properties of petroleum and natural gas reservoirs (porosity, permeability, etc.) are important parameters reflecting the quality of the reservoirs, so they are of important significance in the exploration and the development of petroleum and gas. Most of oil and gas resources in China are stored in thefragmental reservoir of continental basin. Not only the primary sedimentary factors but also the diageneticchanges after deposition affect the physical properties of the reservoir. And the diagenetic change, infact, is the interaction of fluid and minerals in low temperature. This note is about some experimental studies on the ordinary minerals in fragmental reservoir such asalkali feldspar and plagioclase and discusses the experimental results of the interaction between the fluidsand these two kinds of feldspar in different pH values and different media. The chemical composition and structural formula of the samples used in these experiments are | GAO Liping~1, YANG Weidong~1, LUO Xiaojun~1, JIA Hongyu~2, ZENG Jianhui~2, YU Bingsong~3 and LAI Xingyun~3 1. Open laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China 2. University of Petroleum, Beijing 102200, China 3. China University of Geosciences, Beijing 100083, China | 1999 | Chinese Science Bulletin1999，44，S2： | 1 |
| 2 | Study on Mature Age of An Individual Pinus thunbergii Parl显示文摘Through the study of parse wood materials,the fitting empirical equation of tree growth was obtained,a function with tree growth as a variable and time as an independent variable. Through mathematical operations such as function derivation,the mature age of tree growth was obtained. The obtained maturity age for the actual forest of Pinus thunbergii Parl was 51 a,and the ideal mature age was 66 a. And the application,research directions and precautions of the mature ages were proposed. | Kehua WANG Hongbo QIAO Xingyun GAO Wei ZHANG Mingliang WEI Fengzhen WANG Xueqiang ZHANG | 2018 | Agricultural Biotechnology2018，7，5： | 0 |
| 3 | Discussion on Individual Expected Maturity of Populus canadensis Moench显示文摘Through the study of parse wood materials in Shandong Province,the fitting empirical equation of tree growth was obtained,a function with tree growth was a variable and time as an independent variable. Through mathematical operations such as function derivation,the mature age of tree growth was obtained. The obtained expected maturity age for Populus canadensis Moench forest was 11 a for pulp material,26 a for pillar materials and 41 a for peeler. And the application,research directions and precautions of the mature ages were proposed. | Xingyun GAO Mingliang WEI Kehua WANG Hongbo QIAO Dequan ZHANG Dejin DONG | 2018 | Agricultural Biotechnology2018，7，5： | 0 |
| 4 | Study on Mature Age of An Individual Robinia pseudoacacia显示文摘Through the study of parse wood materials,the fitting empirical equation of tree growth was obtained,a function with tree growth as a variable and time as an independent variable. The mature age of tree growth was obtained through mathematical operations such as function derivation. The obtained expected maturity ages for the actual forests of Robinia pseudoacacia were 36,46 and 56 a,respectively,which could be the mature ages for commercial forest,protection forest and special-purpose forest. And the application,research directions and precautions of the mature ages were proposed. | Hongbo QIAO Kehua WANG Xingyun GAO Xueqiang ZHANG Dequan ZHANG | 2018 | Agricultural Biotechnology2018，7，5： | 0 |
| 5 | The equilibrium between diagenetic calcites and dolomites and its impact on reservoir quality in the sandstone reservoir of Kela 2 gas field显示文摘Based on the equilibrium theory of chemical reactions between water and rocks,this paper establishes a thermodynamic phase relationship diagram among calcites,dolomites and water solution under the condition of diagenesis based on the thermodynamic database of related minerals and fluids and dolomite's degree of order parameters.It has been discovered that the equilibrium between calcites and dolomites in the diagenetic environment is strongly impacted by temperature and the Ca/Mg ratios in groundwater,and that the dolomite's degree of order in the diagenetic environment is a function of crystallization temperature and time,not controlled by water solution.Hereby,the authors make a further analysis of the close relationship of chemical reaction between carbonate cements and pore water in the sandstone reservoirs of Kala 2 gas field in Kuche sag.It can be seen that there are different impacts on sandstone reservoir quality among the equilibrium system of calcites,dolomites and pore water at different depths of reservoirs. | Gao Zhiqian Yu Bingsong Lai Xingyun | 2007 | Progress in Natural Science:Materials International2007，17，9： | 0 |
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