[Objective] The aim was to investigate the status of wild Platycodon grandiflourus resources in Changbai Mountain area. [ Method] The habitats and growth environment of the wild Platycodon grandiflourus were investiga...[Objective] The aim was to investigate the status of wild Platycodon grandiflourus resources in Changbai Mountain area. [ Method] The habitats and growth environment of the wild Platycodon grandiflourus were investigated, and made a collection of the germplasm resources at 24 sites in Changbai Mountain area. [ Result ] Most of the exiting wild Platycodon grandiflourus survived because of its small roots that means no value and grew in poor or remote conditions that led to much difficulty to dig. The character of wild Platycodon grandiflourus was obviously inferior to cultivated Platycodon grandiflourus. [ Condusion] This study lays a foundation for the genetic diversity analysis and the establishment of germplasm resource pool of wild Platycodon grandflourus in Changbai Mountain Area.展开更多
Greater Zab is the largest tributary of the Tigris River in lraq where the catchment area is currently being plagued by water scarcity and pollution problems. Contemporary studies have revealed that blue and green wat...Greater Zab is the largest tributary of the Tigris River in lraq where the catchment area is currently being plagued by water scarcity and pollution problems. Contemporary studies have revealed that blue and green waters of the basin have been manifesting increasing variability contributing to more severe droughts and floods apparently due to climate change. In order to gain greater appreciation of the impacts of climate change on water resources in the study area in near and distant future, SWAT （Soil and Water Assessment Tool） has been used. The model is first tested for its suitability in capturing the basin characteristics, and then, forecasts from six GCMs （general circulation models） with about half-a-century lead time to 2046-2064 and one-century lead time to 2080-2100 are incorporated to evaluate the impacts of climate change on water resources under three emission scenarios： A 1 B, A2 and BI. The results showed worsening water resources regime into the future.展开更多
This article offers a brief description of the water resources situation of the Kingdom of Thailand, a country with a population of over 65 million people and a surface area of 513,120 km^2. The average annual rainfal...This article offers a brief description of the water resources situation of the Kingdom of Thailand, a country with a population of over 65 million people and a surface area of 513,120 km^2. The average annual rainfall is 1,430 mm and the total water resources are estimated at 215,000 Mm^3 （million of m^3）-year^-1. The hydric demand in the country is 70,000 Mm^3.year^-1, 6% of which is groundwater in origin. Over 70% of the water is used for agriculture. Thailand is the world＇s leading exporter of rice. The main problems faced by the Water Authority in Thailand are pollution, floods and droughts, depending on the geographical zone. From the hydrogeological point of view, the Central Plain is the main groundwater reservoir in the nation. Intensive extraction of groundwater over a long period of time has caused three main problems： a decline in groundwater levels, land subsidence, and seawater intrusion. These problems have been especially pressing in the area known as Greater Bangkok.展开更多
An analysis of historical data of Fitzroy River, which lies in the east coast of Australia, reveals that there is an increasing trend in extreme floods and droughts apparently attributable to increased variability of ...An analysis of historical data of Fitzroy River, which lies in the east coast of Australia, reveals that there is an increasing trend in extreme floods and droughts apparently attributable to increased variability of blue and green waters which could be due to climate change. In order to get a better understanding of the impacts of climate change on the water resources of the study area for near future as well as distant future, SWAT （soil and water assessment tool） model was applied. The model is first tested for its suitability in capturing the basin characteristics with available data, and then, forecasts from six GCMs （general circulation model） with about half-a-century lead time to 2046-2064 and about one-century lead time to 2080-2100 are incorporated to evaluate the impacts of climate change under three marker emission scenarios： A2, A1B and B 1. The results showed worsening water resources regime into the future.展开更多
Our health sports industry from small to large, continuous development is gradually standardized and mature. As China＇ s economic development and people＇ s consumption level of escalation of health sports industry m...Our health sports industry from small to large, continuous development is gradually standardized and mature. As China＇ s economic development and people＇ s consumption level of escalation of health sports industry made a historic breakthrough. Our health sports industry in recent years, despite considerable progress, but the constraints of economic, social, and other resources by healthy sports industry slow growth. Health Situation of the sports industry research is to identify bottleneck healthy development of sports industry. It has an important significance to promote the development of the health of the sports industry.展开更多
Dependency of the human on the energy is ever-increasing today and the energy policies are reaching undeniable and un-ignorable dimensions steering the political events as well. Therefore, access to the energy and/or ...Dependency of the human on the energy is ever-increasing today and the energy policies are reaching undeniable and un-ignorable dimensions steering the political events as well. Therefore, access to the energy and/or energy resources is becoming the highest priority for the countries. In this study, the criteria that have to be kept in view while creating the energy policies are explained first of all. Then the geopolitics, redundancy and diversity are described as the strategic criteria and furthermore, the availability, energy resources geography, and the technological, economical and environmental criteria are examined as the operative criteria and thereafter the issues such as installation period, utilization period, reliability, repair-maintenance and public validation are handled as the tactical criteria. The nuclear power plants are examined and evaluated according to the criteria set forth above while creating the energy policies. Under the light of this evaluation, the situation is examined and explicated in terms of the energy expansion of Turkey. Thus the place of the nuclear energy in the energy expansion of Turkey is clarified and emphasized.展开更多
In order to address spectrum resource scarcity in traditional cellular networks,television(TV)white space is considered as a potential solution to offload a portion of network traffic and enlarge network capacity.This...In order to address spectrum resource scarcity in traditional cellular networks,television(TV)white space is considered as a potential solution to offload a portion of network traffic and enlarge network capacity.This paper describes a cognitive cellular network which allocates low geometry users to the TV white space based on a proportional fair criterion.An uplink user allocation scheme is proposed and the validity of the proposed scheme is established by simulation of the cellular network usage in conjunction with the TV white space.The simulation results show clear improvements in both the user and the system performance with the cognitive coexistent cellular network compared with the traditional cellular network,and that the performance of the proposed user allocation scheme is superior to other user allocation schemes.展开更多
基金Supported by National Natural Science Foundation (30660016)~~
文摘[Objective] The aim was to investigate the status of wild Platycodon grandiflourus resources in Changbai Mountain area. [ Method] The habitats and growth environment of the wild Platycodon grandiflourus were investigated, and made a collection of the germplasm resources at 24 sites in Changbai Mountain area. [ Result ] Most of the exiting wild Platycodon grandiflourus survived because of its small roots that means no value and grew in poor or remote conditions that led to much difficulty to dig. The character of wild Platycodon grandiflourus was obviously inferior to cultivated Platycodon grandiflourus. [ Condusion] This study lays a foundation for the genetic diversity analysis and the establishment of germplasm resource pool of wild Platycodon grandflourus in Changbai Mountain Area.
文摘Greater Zab is the largest tributary of the Tigris River in lraq where the catchment area is currently being plagued by water scarcity and pollution problems. Contemporary studies have revealed that blue and green waters of the basin have been manifesting increasing variability contributing to more severe droughts and floods apparently due to climate change. In order to gain greater appreciation of the impacts of climate change on water resources in the study area in near and distant future, SWAT （Soil and Water Assessment Tool） has been used. The model is first tested for its suitability in capturing the basin characteristics, and then, forecasts from six GCMs （general circulation models） with about half-a-century lead time to 2046-2064 and one-century lead time to 2080-2100 are incorporated to evaluate the impacts of climate change on water resources under three emission scenarios： A 1 B, A2 and BI. The results showed worsening water resources regime into the future.
文摘This article offers a brief description of the water resources situation of the Kingdom of Thailand, a country with a population of over 65 million people and a surface area of 513,120 km^2. The average annual rainfall is 1,430 mm and the total water resources are estimated at 215,000 Mm^3 （million of m^3）-year^-1. The hydric demand in the country is 70,000 Mm^3.year^-1, 6% of which is groundwater in origin. Over 70% of the water is used for agriculture. Thailand is the world＇s leading exporter of rice. The main problems faced by the Water Authority in Thailand are pollution, floods and droughts, depending on the geographical zone. From the hydrogeological point of view, the Central Plain is the main groundwater reservoir in the nation. Intensive extraction of groundwater over a long period of time has caused three main problems： a decline in groundwater levels, land subsidence, and seawater intrusion. These problems have been especially pressing in the area known as Greater Bangkok.
文摘An analysis of historical data of Fitzroy River, which lies in the east coast of Australia, reveals that there is an increasing trend in extreme floods and droughts apparently attributable to increased variability of blue and green waters which could be due to climate change. In order to get a better understanding of the impacts of climate change on the water resources of the study area for near future as well as distant future, SWAT （soil and water assessment tool） model was applied. The model is first tested for its suitability in capturing the basin characteristics with available data, and then, forecasts from six GCMs （general circulation model） with about half-a-century lead time to 2046-2064 and about one-century lead time to 2080-2100 are incorporated to evaluate the impacts of climate change under three marker emission scenarios： A2, A1B and B 1. The results showed worsening water resources regime into the future.
文摘Our health sports industry from small to large, continuous development is gradually standardized and mature. As China＇ s economic development and people＇ s consumption level of escalation of health sports industry made a historic breakthrough. Our health sports industry in recent years, despite considerable progress, but the constraints of economic, social, and other resources by healthy sports industry slow growth. Health Situation of the sports industry research is to identify bottleneck healthy development of sports industry. It has an important significance to promote the development of the health of the sports industry.
文摘Dependency of the human on the energy is ever-increasing today and the energy policies are reaching undeniable and un-ignorable dimensions steering the political events as well. Therefore, access to the energy and/or energy resources is becoming the highest priority for the countries. In this study, the criteria that have to be kept in view while creating the energy policies are explained first of all. Then the geopolitics, redundancy and diversity are described as the strategic criteria and furthermore, the availability, energy resources geography, and the technological, economical and environmental criteria are examined as the operative criteria and thereafter the issues such as installation period, utilization period, reliability, repair-maintenance and public validation are handled as the tactical criteria. The nuclear power plants are examined and evaluated according to the criteria set forth above while creating the energy policies. Under the light of this evaluation, the situation is examined and explicated in terms of the energy expansion of Turkey. Thus the place of the nuclear energy in the energy expansion of Turkey is clarified and emphasized.
基金Supported by the National Natural Science Foundation of China(No.61271230)the Starting Fund for Science Research of NJIT(No.YKJ201205)the Open Research Fund of National Mobile Communications Research Laboratory(No.2013D02)
文摘In order to address spectrum resource scarcity in traditional cellular networks,television(TV)white space is considered as a potential solution to offload a portion of network traffic and enlarge network capacity.This paper describes a cognitive cellular network which allocates low geometry users to the TV white space based on a proportional fair criterion.An uplink user allocation scheme is proposed and the validity of the proposed scheme is established by simulation of the cellular network usage in conjunction with the TV white space.The simulation results show clear improvements in both the user and the system performance with the cognitive coexistent cellular network compared with the traditional cellular network,and that the performance of the proposed user allocation scheme is superior to other user allocation schemes.
