To elucidate the genetic relationship of the soybean varieties registered in Henan province, we analyzed the pedigrees, the major agronomic traits, and the eco- nomic traits of 74 soybean varieties registered in Henan...To elucidate the genetic relationship of the soybean varieties registered in Henan province, we analyzed the pedigrees, the major agronomic traits, and the eco- nomic traits of 74 soybean varieties registered in Henan province from 1985 to 2012, with reference to experience and technologies beneficial to breeding. The resuits indicated that these varieties originated from 113 parents, and positive correla- tion between the yield and the number of original parents was significant. In the major agronomic traits, the growth stage was about 106 days with relatively small variation, while the final height varied largely among these varieties. Among the fac- tore affecting the final yield, the pod number per plant exhibited an increasing trend, while the variation of 100-grain weight was relatively small. More than 50% of the 113 original parents came from Henan Province and its neighbor provinces, and the genetic relationship among the registered varieties was too close. The rational criteria of yield components of soybean varieties in Henan Province should be as fol- lows： the pod number per plant was about 48. 6, with 100-grain weight ranging from 17.55 g to 21.80 g.展开更多
The supreme obstacle for sustainable development of natural resources is the scarecity, bottleneck. So how to promote the sustainable utilizing and increase the using efficiency of natural resources is worth studying....The supreme obstacle for sustainable development of natural resources is the scarecity, bottleneck. So how to promote the sustainable utilizing and increase the using efficiency of natural resources is worth studying. This paper suggests that we should improve the model and means of evaluating method and value management based on th~ theory of natural resource compensation. This paper discusses the User Cost Method based on the microeeonomicaspect which can change the evaluating method for natural resources. From the perspective of value managemen model, we should use the User Cost Method to realize the linkage and integration of micro and macro eompensation for natural resources. Based on the evaluating and aecounting idea User Cost Method, this paper presents a theo. retical framework to harmonize and link micro and macro compensation for natural resources. At present, we should seek the new approach and method to manage natural resources, so can we realize the capitalization managemen focusing on the vahte management for natural resources.展开更多
This article presents an analysis of the economic impact of non-dispatchable generation on the cost of the energy supply. It aims to analyze the economic impact of the renewable generation in Spanish production and th...This article presents an analysis of the economic impact of non-dispatchable generation on the cost of the energy supply. It aims to analyze the economic impact of the renewable generation in Spanish production and thus to help prospective investors in renewable generation projects to analyze the situation of the Spanish electricity market. With that target, the current situation in Spain is shown and then using a MATLAB program, the economic impact of the renewable generation on the Spanish daily is analyzed.展开更多
In this study, we looked at a method quantifying EEC （embodied energy and CO2） and the effect when we prolonged the building life time particularly through the durable improvement of the structure. Increasing the co...In this study, we looked at a method quantifying EEC （embodied energy and CO2） and the effect when we prolonged the building life time particularly through the durable improvement of the structure. Increasing the covering thickness of concrete for reinforcing bars and the earthquake-resistant strength are methods to increase the durability of the structure. The calculation method to obtain the quantity of concrete and reinforcing bars is provided. The EEC increase is evaluated from the 2005 input-output table in Japan. These results show that EE （embodied energy） in the construction phase is increased by 11% to 20% and EC （embodied CO2） 17% to 32%. However, annual EE is reduced 66% to 72% and EC 70% to 79%,展开更多
Using the adjusted E1 Serafy user cost approach to estimate the depletion cost of coal resources, this paper demonstrates that user cost exists in the exploitation of China＇s coal resources and has increased rapidly ...Using the adjusted E1 Serafy user cost approach to estimate the depletion cost of coal resources, this paper demonstrates that user cost exists in the exploitation of China＇s coal resources and has increased rapidly with the substantial growth of coal output. It is necessary to levy a resource tax that reflects the real cost of coal resources. The results of our calculations show that from 1992 to 2009, the theoretical ad valorem coal tax rate determined in accordance with the user cost fluctuated between 2 and 14 percent. A further analysis of the impact of an ad valorem coal tax on the Chinese macroeconomy with a dynamic computable general equilibrium （CGE） model shows that a tax rate of 5-12 percent for coal resources would better reflect the cost of depletion of coal as a scarce resource, with the macroeconomic impact falling within the acceptable range. Therefore, resource tax reform is significant for China＇s sustainable development.展开更多
基金Supported by National Soybean Industrial Technology Support Program(nycytx-004)National Scientific and Technological Innovation ProgramIndigenuous Innovative Program of Henan Academy of Agricultural Science~~
文摘To elucidate the genetic relationship of the soybean varieties registered in Henan province, we analyzed the pedigrees, the major agronomic traits, and the eco- nomic traits of 74 soybean varieties registered in Henan province from 1985 to 2012, with reference to experience and technologies beneficial to breeding. The resuits indicated that these varieties originated from 113 parents, and positive correla- tion between the yield and the number of original parents was significant. In the major agronomic traits, the growth stage was about 106 days with relatively small variation, while the final height varied largely among these varieties. Among the fac- tore affecting the final yield, the pod number per plant exhibited an increasing trend, while the variation of 100-grain weight was relatively small. More than 50% of the 113 original parents came from Henan Province and its neighbor provinces, and the genetic relationship among the registered varieties was too close. The rational criteria of yield components of soybean varieties in Henan Province should be as fol- lows： the pod number per plant was about 48. 6, with 100-grain weight ranging from 17.55 g to 21.80 g.
文摘The supreme obstacle for sustainable development of natural resources is the scarecity, bottleneck. So how to promote the sustainable utilizing and increase the using efficiency of natural resources is worth studying. This paper suggests that we should improve the model and means of evaluating method and value management based on th~ theory of natural resource compensation. This paper discusses the User Cost Method based on the microeeonomicaspect which can change the evaluating method for natural resources. From the perspective of value managemen model, we should use the User Cost Method to realize the linkage and integration of micro and macro eompensation for natural resources. Based on the evaluating and aecounting idea User Cost Method, this paper presents a theo. retical framework to harmonize and link micro and macro compensation for natural resources. At present, we should seek the new approach and method to manage natural resources, so can we realize the capitalization managemen focusing on the vahte management for natural resources.
文摘This article presents an analysis of the economic impact of non-dispatchable generation on the cost of the energy supply. It aims to analyze the economic impact of the renewable generation in Spanish production and thus to help prospective investors in renewable generation projects to analyze the situation of the Spanish electricity market. With that target, the current situation in Spain is shown and then using a MATLAB program, the economic impact of the renewable generation on the Spanish daily is analyzed.
文摘In this study, we looked at a method quantifying EEC （embodied energy and CO2） and the effect when we prolonged the building life time particularly through the durable improvement of the structure. Increasing the covering thickness of concrete for reinforcing bars and the earthquake-resistant strength are methods to increase the durability of the structure. The calculation method to obtain the quantity of concrete and reinforcing bars is provided. The EEC increase is evaluated from the 2005 input-output table in Japan. These results show that EE （embodied energy） in the construction phase is increased by 11% to 20% and EC （embodied CO2） 17% to 32%. However, annual EE is reduced 66% to 72% and EC 70% to 79%,
基金the special research project "Reform of China's Energy Policy."financial support from a number of research funds, including the Low-carbon Project of the Energy Economy and Low-carbon Development Institute of New Huadu Business School for which the author works+2 种基金the Major Projects of the National Social Sciences Foundation (No. 09&ZD050)the Key Projects of the National Social Sciences Foundation (No. 08AJY022)the Major Projects of the Ministry of Education (No. 10JZD0018)
文摘Using the adjusted E1 Serafy user cost approach to estimate the depletion cost of coal resources, this paper demonstrates that user cost exists in the exploitation of China＇s coal resources and has increased rapidly with the substantial growth of coal output. It is necessary to levy a resource tax that reflects the real cost of coal resources. The results of our calculations show that from 1992 to 2009, the theoretical ad valorem coal tax rate determined in accordance with the user cost fluctuated between 2 and 14 percent. A further analysis of the impact of an ad valorem coal tax on the Chinese macroeconomy with a dynamic computable general equilibrium （CGE） model shows that a tax rate of 5-12 percent for coal resources would better reflect the cost of depletion of coal as a scarce resource, with the macroeconomic impact falling within the acceptable range. Therefore, resource tax reform is significant for China＇s sustainable development.
