Renewable portfolio standard （RPS） schedule requires a specified percentage of renewable electricity development by a specified date, and therefore directly determines the pace of renewable electricity in one area. ...Renewable portfolio standard （RPS） schedule requires a specified percentage of renewable electricity development by a specified date, and therefore directly determines the pace of renewable electricity in one area. The article aims to explore the ways the natural resource endowment and population characteristic affect the adoption of a RPS schedule. We used logistic regression to analyze the data of RPS dynamic schedules of 29 states and Washington, D.C. in the United States. Results show that local renewable potential and the interaction performance between citizen ideology and the league of conversation voters scoreboard are main factors affecting the choice of an RPS schedule, and the effect of the interaction performance between citizen ideology and LCV scoreboard has a higher significance. The finding suggests that strategies for developing renewable energy should be based on resources rather than economical level, and nublic education for environmental protection should be emphasized.展开更多
The series of Harry Potter and the series of The Hunger Games are the most frequently mentioned children＇s and youngster＇s stories after The Adventures of Tom Sawyer. Both of them are children＇s and youngster＇s fa...The series of Harry Potter and the series of The Hunger Games are the most frequently mentioned children＇s and youngster＇s stories after The Adventures of Tom Sawyer. Both of them are children＇s and youngster＇s favorite stories. All of them are about children＇s adventures. But because of the time and history, they represent different themes of the time. This research paper aims at analyzing the Game Spirits in the first two. The suspense and surprise, fantastic adventures and time interweaving are shown in Harry Potter and the Prisoner of Azkaban. And the unbelievable background, the lucky number, image of gamble, and the game against humanity are the Game Spirits in The Hunger Games. The purpose of this thesis is to help people better understand Harry Potter and The Hunger Games in the aspect of Game Spirit. Harry Potter is the full of fantastic adventure while The Hunger Game is a story full of survival.展开更多
This paper attempts to relate serendipity, the natural ability to make interesting or valuable discoveries by accident （Longman Discovery of Contemporary English） with notable discoveries and inventions. It connotes...This paper attempts to relate serendipity, the natural ability to make interesting or valuable discoveries by accident （Longman Discovery of Contemporary English） with notable discoveries and inventions. It connotes the profound ability of finding out valuable things different from those who have been exploring by spending a lot of time or for years. The author will illustrate as many cases as possible within a given time constraint, so that surrounding environments and situations may be clarified, and such discoveries and inventions may be plausibly accomplished by accident or with rich reasons. These illustrations include historical as well as more recent cases. One of the cases is beyond the scope of our environment on the earth with preconceived notion, while other cases have given great impacts to our politics and also military intelligence. It should be noted that business and technological intelligence are deeply connected with discoveries, inventions and serendipity. In concluding remarks, the essence of serendipity will be summarized and how to side with the serendipity at the most important moment will be examined by viewing time series endeavors of the inventors and those who have devoted much time to discoveries.展开更多
The relationship between low levels of serum low-density lipoprotein cholesterol(LDL-C)and subsequent cognitive decline remains unclear.The present study aimed to evaluate the longitudinal association between low LDL-...The relationship between low levels of serum low-density lipoprotein cholesterol(LDL-C)and subsequent cognitive decline remains unclear.The present study aimed to evaluate the longitudinal association between low LDL-C levels and cognition decline in the context of the current aggressive guideline-recommended targets(LDL-C levels less than 55 mg/dL for individuals at very high risk of cardiovascular events,and less than 70 mg/dL for high risk individuals).Data from wave 13(2016)to wave 14(2018)of the Health and Retirement Study(HRS)were utilized.LDL-C concentrations measured at wave 13 were categorized into 5 levels,reflecting currently recommended values for lipid lowering treatment.Of 7129 included participants(mean age:69.0±9.9 years,60.3%female),we found that compared to participants with LDL-C levels of 70.0-99.9 mg/dL,those with LDL-C levels of<55 mg/dL had significantly slower 2-year decline rates in global cognitive function(0.244 point/year;95%confidence interval(CI):0.065-0.422;P=0.008),working memory(0.068 point/year;95%CI:0.004-0.133;P=0.038),and borderline significantly in episodic memory(0.155 point/year;95%CI:-0.004-0.315;P=0.057).Similarly,significantly slower decline rates were observed in those with LDL-C levels of 55.0-69.9 mg/dL.The present study demonstrated that compared with LDL-C levels 70.0-99.9 mg/dL,low LDL-C levels(<70 mg/dL,especially<55 mg/dL)were associated with significantly slower cognitive decline in population-based setting.Future randomized controlled trials are warranted to ascertain the safety and benefit of current aggressive guideline-recommended targets on cognitive function.展开更多
文摘Renewable portfolio standard （RPS） schedule requires a specified percentage of renewable electricity development by a specified date, and therefore directly determines the pace of renewable electricity in one area. The article aims to explore the ways the natural resource endowment and population characteristic affect the adoption of a RPS schedule. We used logistic regression to analyze the data of RPS dynamic schedules of 29 states and Washington, D.C. in the United States. Results show that local renewable potential and the interaction performance between citizen ideology and the league of conversation voters scoreboard are main factors affecting the choice of an RPS schedule, and the effect of the interaction performance between citizen ideology and LCV scoreboard has a higher significance. The finding suggests that strategies for developing renewable energy should be based on resources rather than economical level, and nublic education for environmental protection should be emphasized.
文摘The series of Harry Potter and the series of The Hunger Games are the most frequently mentioned children＇s and youngster＇s stories after The Adventures of Tom Sawyer. Both of them are children＇s and youngster＇s favorite stories. All of them are about children＇s adventures. But because of the time and history, they represent different themes of the time. This research paper aims at analyzing the Game Spirits in the first two. The suspense and surprise, fantastic adventures and time interweaving are shown in Harry Potter and the Prisoner of Azkaban. And the unbelievable background, the lucky number, image of gamble, and the game against humanity are the Game Spirits in The Hunger Games. The purpose of this thesis is to help people better understand Harry Potter and The Hunger Games in the aspect of Game Spirit. Harry Potter is the full of fantastic adventure while The Hunger Game is a story full of survival.
文摘This paper attempts to relate serendipity, the natural ability to make interesting or valuable discoveries by accident （Longman Discovery of Contemporary English） with notable discoveries and inventions. It connotes the profound ability of finding out valuable things different from those who have been exploring by spending a lot of time or for years. The author will illustrate as many cases as possible within a given time constraint, so that surrounding environments and situations may be clarified, and such discoveries and inventions may be plausibly accomplished by accident or with rich reasons. These illustrations include historical as well as more recent cases. One of the cases is beyond the scope of our environment on the earth with preconceived notion, while other cases have given great impacts to our politics and also military intelligence. It should be noted that business and technological intelligence are deeply connected with discoveries, inventions and serendipity. In concluding remarks, the essence of serendipity will be summarized and how to side with the serendipity at the most important moment will be examined by viewing time series endeavors of the inventors and those who have devoted much time to discoveries.
基金supported by the National Natural Science Foundation of China (81974490)the 2019 Irma and Paul MilsteinProgram for Senior Health Research Project Award。
文摘The relationship between low levels of serum low-density lipoprotein cholesterol(LDL-C)and subsequent cognitive decline remains unclear.The present study aimed to evaluate the longitudinal association between low LDL-C levels and cognition decline in the context of the current aggressive guideline-recommended targets(LDL-C levels less than 55 mg/dL for individuals at very high risk of cardiovascular events,and less than 70 mg/dL for high risk individuals).Data from wave 13(2016)to wave 14(2018)of the Health and Retirement Study(HRS)were utilized.LDL-C concentrations measured at wave 13 were categorized into 5 levels,reflecting currently recommended values for lipid lowering treatment.Of 7129 included participants(mean age:69.0±9.9 years,60.3%female),we found that compared to participants with LDL-C levels of 70.0-99.9 mg/dL,those with LDL-C levels of<55 mg/dL had significantly slower 2-year decline rates in global cognitive function(0.244 point/year;95%confidence interval(CI):0.065-0.422;P=0.008),working memory(0.068 point/year;95%CI:0.004-0.133;P=0.038),and borderline significantly in episodic memory(0.155 point/year;95%CI:-0.004-0.315;P=0.057).Similarly,significantly slower decline rates were observed in those with LDL-C levels of 55.0-69.9 mg/dL.The present study demonstrated that compared with LDL-C levels 70.0-99.9 mg/dL,low LDL-C levels(<70 mg/dL,especially<55 mg/dL)were associated with significantly slower cognitive decline in population-based setting.Future randomized controlled trials are warranted to ascertain the safety and benefit of current aggressive guideline-recommended targets on cognitive function.
