The application of hybrid vehicle is a practical technical solution to the energy shortage and the environmental pollution.The internal combustion engine(ICE)plays a key role in the development of the hybrid vehicle.B...The application of hybrid vehicle is a practical technical solution to the energy shortage and the environmental pollution.The internal combustion engine(ICE)plays a key role in the development of the hybrid vehicle.Based on the requirements of the hybrid vehicle and the characteristic of Atkinson cycle,a set of designing methods for the Atkinson cycle gasoline engine is presented through the analysis of the optimized matching for the compression ratio,valve timing and the combustion chamber.The designing method has been verified by the bench test and the results show that the fuel consumption can be improved by12%–15%with the reduction of the low speed torque by 10%,and the low fuel consumption region in the fuel map extends significantly with the rated power almost keeping constant.It may be of great reference for the development of hybrid vehicle technology in China.展开更多
Let d3（n） be the number of ways of expressing n as a product of 3 factors. It is known that sum from n≤x d3（n）=xP3（log x）+Δ3（x）, whoro P3 （log x） is g polynomial in log x of degree 2. Let α3 denote the le...Let d3（n） be the number of ways of expressing n as a product of 3 factors. It is known that sum from n≤x d3（n）=xP3（log x）+Δ3（x）, whoro P3 （log x） is g polynomial in log x of degree 2. Let α3 denote the least upper bound of numbers α such that the relation Δ3（x）=0（xα） holds. Voronoi, Walfisz. Atkinson, Rankin,展开更多
音乐剧《春之觉醒》明年开启国际巡演Spring Awakening will launch national tour in 2017曾获托尼奖的百老汇经典音乐剧《春之觉醒》（Spring Awakening）将于1月24日巡演至百老汇布鲁克斯·亚金森剧院（Brooks Atkinson Theatre...音乐剧《春之觉醒》明年开启国际巡演Spring Awakening will launch national tour in 2017曾获托尼奖的百老汇经典音乐剧《春之觉醒》（Spring Awakening）将于1月24日巡演至百老汇布鲁克斯·亚金森剧院（Brooks Atkinson Theatre）。百老汇观众选择奖得主克里丝塔·罗德里格兹（Krysta Rodriguez）和安迪·米恩特斯（Andy Mientus）以及奥斯卡最佳女主角奖得主玛丽·玛特琳（Marlee Matlin）将在剧中饰演主要角色。音乐剧《春之觉醒》最初由戏剧家弗兰克·维德肯（Frank Wedekind）创作于1891年,展开更多
导演/编剧:理查德·柯蒂斯 Richard Curtis主演:休·格兰特 Hugh Grant玛蒂·麦克卡森MartineMcCutcheon艾玛·汤普森 Emma Thompson罗文·阿特金森 Rowan Atkinson阿兰·瑞克曼 Alan Rickman连恩·尼森 Li...导演/编剧:理查德·柯蒂斯 Richard Curtis主演:休·格兰特 Hugh Grant玛蒂·麦克卡森MartineMcCutcheon艾玛·汤普森 Emma Thompson罗文·阿特金森 Rowan Atkinson阿兰·瑞克曼 Alan Rickman连恩·尼森 Liam Neeson科林·费尔斯 Colin Firth凯拉·奈特莉 Keira Knightley劳拉·琳尼 Laura Linney发行:环球影片公司 Universal展开更多
Passage 1 Mr.Bean Have you ever watched movies and TV shows starring Rowan Atkinson？If you are not familiar with this name,does Mr.Bean ring a bell？Mr.Bean is a British TV show about an adult man called Mr.Bean,who ...Passage 1 Mr.Bean Have you ever watched movies and TV shows starring Rowan Atkinson？If you are not familiar with this name,does Mr.Bean ring a bell？Mr.Bean is a British TV show about an adult man called Mr.Bean,who has difficulty in completing even the simplest of tasks and whose life展开更多
文摘The application of hybrid vehicle is a practical technical solution to the energy shortage and the environmental pollution.The internal combustion engine(ICE)plays a key role in the development of the hybrid vehicle.Based on the requirements of the hybrid vehicle and the characteristic of Atkinson cycle,a set of designing methods for the Atkinson cycle gasoline engine is presented through the analysis of the optimized matching for the compression ratio,valve timing and the combustion chamber.The designing method has been verified by the bench test and the results show that the fuel consumption can be improved by12%–15%with the reduction of the low speed torque by 10%,and the low fuel consumption region in the fuel map extends significantly with the rated power almost keeping constant.It may be of great reference for the development of hybrid vehicle technology in China.
文摘Let d3（n） be the number of ways of expressing n as a product of 3 factors. It is known that sum from n≤x d3（n）=xP3（log x）+Δ3（x）, whoro P3 （log x） is g polynomial in log x of degree 2. Let α3 denote the least upper bound of numbers α such that the relation Δ3（x）=0（xα） holds. Voronoi, Walfisz. Atkinson, Rankin,
文摘音乐剧《春之觉醒》明年开启国际巡演Spring Awakening will launch national tour in 2017曾获托尼奖的百老汇经典音乐剧《春之觉醒》（Spring Awakening）将于1月24日巡演至百老汇布鲁克斯·亚金森剧院（Brooks Atkinson Theatre）。百老汇观众选择奖得主克里丝塔·罗德里格兹（Krysta Rodriguez）和安迪·米恩特斯（Andy Mientus）以及奥斯卡最佳女主角奖得主玛丽·玛特琳（Marlee Matlin）将在剧中饰演主要角色。音乐剧《春之觉醒》最初由戏剧家弗兰克·维德肯（Frank Wedekind）创作于1891年,
文摘导演/编剧:理查德·柯蒂斯 Richard Curtis主演:休·格兰特 Hugh Grant玛蒂·麦克卡森MartineMcCutcheon艾玛·汤普森 Emma Thompson罗文·阿特金森 Rowan Atkinson阿兰·瑞克曼 Alan Rickman连恩·尼森 Liam Neeson科林·费尔斯 Colin Firth凯拉·奈特莉 Keira Knightley劳拉·琳尼 Laura Linney发行:环球影片公司 Universal
文摘Passage 1 Mr.Bean Have you ever watched movies and TV shows starring Rowan Atkinson？If you are not familiar with this name,does Mr.Bean ring a bell？Mr.Bean is a British TV show about an adult man called Mr.Bean,who has difficulty in completing even the simplest of tasks and whose life
