为了改善PLC课堂的教学效果,将Juan Luis Villanueva仿真软件用于S7-200PLC课程的日常教学。首先对Juan Luis Villanueva仿真软件做了简单介绍,之后通过实现四台电机顺序启动同时停止的例子介绍了使用仿真软件的教学过程,最后简要说明...为了改善PLC课堂的教学效果,将Juan Luis Villanueva仿真软件用于S7-200PLC课程的日常教学。首先对Juan Luis Villanueva仿真软件做了简单介绍,之后通过实现四台电机顺序启动同时停止的例子介绍了使用仿真软件的教学过程,最后简要说明了采用仿真软件在PLC教学中的优势。展开更多
During their 73rd General Assembly,April 2-3,2019,ETSI members re-elected the current ETSI Director-General Mr.Luis Jorge Romero with an overwhelming majority on the first ballot.ETSKs Director-General is elected for ...During their 73rd General Assembly,April 2-3,2019,ETSI members re-elected the current ETSI Director-General Mr.Luis Jorge Romero with an overwhelming majority on the first ballot.ETSKs Director-General is elected for a five-year term of office,which may be extended by the members for a further three years.Luis Jorge Romero,first elected as ETSl's Director-General 8 years ago,has 30 years' experience in the telecommunications sector.展开更多
Three-dimensional green volume(TDGV)reflects the quality and quantity of urban green space and its provision of ecosystem services;therefore,its spatial pattern and the underlying influential factors play important ro...Three-dimensional green volume(TDGV)reflects the quality and quantity of urban green space and its provision of ecosystem services;therefore,its spatial pattern and the underlying influential factors play important roles in urban planning and management.However,little is known about the factors contributing to the spatial pattern of TDGV.In this paper,TDGV and land use intensity(LUI)extracted from high spatial resolution(0.05 m)remotely sensed data acquired by an unmanned aerial vehicle(UAV),anthropogenic factors^(1))and natural factors^(2))were utilized to identify the spatial pattern of TDGV and the potential influencing factors in Lingang New City,a rapidly developed coastal town in Shanghai.The results showed that most of the TDGV was distributed in the western part of this new city and that its spatial variations were significantly axial.TDGV corresponded well with the chronologies of land formation,urban planning,and construction in the city.Generalized least squares(GLS)analysis of TDGV(grid cell size:100×100 m)and its influencing factors showed that the TDGV in this new city was significantly negatively correlated with both LUI and distance from roads and significantly positively correlated with land formation time and distance from water.Distance from buildings did not affect TDGV.Additionally,the degree of influence decreased in the following order:distance from water>land formation time>distance from roads>LUI.These results indicate that the spatial pattern of TDGV in this new town was mainly affected by natural factors(i.e.,the distance from water and land formation time)and that the artificial disturbances caused by rapid urbanization did not decrease the regional TDGV.The main factors shaping the spatial distribution of TDGV in this city were local natural factors.Our findings suggest that the improvement in local soil and water conditions should be emphasized in the construction of new cities in coastal areas to ensure the efficient provision of ecological services by urban green spaces.展开更多
弗拉明戈舞的火热激情,毕加索和达利的先锋与现代,还有唐·吉珂德看似荒诞实则寓意深刻的想象,让西班牙设计充满着感性与艺术的气质,在满足基本使用功能的同时,更具有观赏性。擅长于灯具设计的Luis Eslava1976年出生于西班牙瓦伦西...弗拉明戈舞的火热激情,毕加索和达利的先锋与现代,还有唐·吉珂德看似荒诞实则寓意深刻的想象,让西班牙设计充满着感性与艺术的气质,在满足基本使用功能的同时,更具有观赏性。擅长于灯具设计的Luis Eslava1976年出生于西班牙瓦伦西亚,从法国著名的Creapole-ESDI大学毕业之后,前往伦敦Royal College of Art进修并取得产品设计的硕士学位。Luis展开更多
文摘为了改善PLC课堂的教学效果,将Juan Luis Villanueva仿真软件用于S7-200PLC课程的日常教学。首先对Juan Luis Villanueva仿真软件做了简单介绍,之后通过实现四台电机顺序启动同时停止的例子介绍了使用仿真软件的教学过程,最后简要说明了采用仿真软件在PLC教学中的优势。
文摘During their 73rd General Assembly,April 2-3,2019,ETSI members re-elected the current ETSI Director-General Mr.Luis Jorge Romero with an overwhelming majority on the first ballot.ETSKs Director-General is elected for a five-year term of office,which may be extended by the members for a further three years.Luis Jorge Romero,first elected as ETSl's Director-General 8 years ago,has 30 years' experience in the telecommunications sector.
基金supported by the National Key R&D Program of China(No.2016YFC0502704)Shanghai Key Laboratory for Urban Ecological Processes and Eco-Restoration(No.SHUES2018B07).
文摘Three-dimensional green volume(TDGV)reflects the quality and quantity of urban green space and its provision of ecosystem services;therefore,its spatial pattern and the underlying influential factors play important roles in urban planning and management.However,little is known about the factors contributing to the spatial pattern of TDGV.In this paper,TDGV and land use intensity(LUI)extracted from high spatial resolution(0.05 m)remotely sensed data acquired by an unmanned aerial vehicle(UAV),anthropogenic factors^(1))and natural factors^(2))were utilized to identify the spatial pattern of TDGV and the potential influencing factors in Lingang New City,a rapidly developed coastal town in Shanghai.The results showed that most of the TDGV was distributed in the western part of this new city and that its spatial variations were significantly axial.TDGV corresponded well with the chronologies of land formation,urban planning,and construction in the city.Generalized least squares(GLS)analysis of TDGV(grid cell size:100×100 m)and its influencing factors showed that the TDGV in this new city was significantly negatively correlated with both LUI and distance from roads and significantly positively correlated with land formation time and distance from water.Distance from buildings did not affect TDGV.Additionally,the degree of influence decreased in the following order:distance from water>land formation time>distance from roads>LUI.These results indicate that the spatial pattern of TDGV in this new town was mainly affected by natural factors(i.e.,the distance from water and land formation time)and that the artificial disturbances caused by rapid urbanization did not decrease the regional TDGV.The main factors shaping the spatial distribution of TDGV in this city were local natural factors.Our findings suggest that the improvement in local soil and water conditions should be emphasized in the construction of new cities in coastal areas to ensure the efficient provision of ecological services by urban green spaces.
文摘弗拉明戈舞的火热激情,毕加索和达利的先锋与现代,还有唐·吉珂德看似荒诞实则寓意深刻的想象,让西班牙设计充满着感性与艺术的气质,在满足基本使用功能的同时,更具有观赏性。擅长于灯具设计的Luis Eslava1976年出生于西班牙瓦伦西亚,从法国著名的Creapole-ESDI大学毕业之后,前往伦敦Royal College of Art进修并取得产品设计的硕士学位。Luis
