In chemical,oil refinery and power industries there are many chain energy systems.Socalled chain energy system is made up of some unitary devices chained up,and each unit is allowed to exchange energy or mass with the...In chemical,oil refinery and power industries there are many chain energy systems.Socalled chain energy system is made up of some unitary devices chained up,and each unit is allowed to exchange energy or mass with the outside of the system.Applying the idea of thermoeconomic isolation,a new method of thermoeconomic isolation on the chain energy systems is presented,and its convergence is proved meanwhile.It is the essene of the method to achieve thermoeconomic isolation on chain energy systems that two known parameters located at the start unit and the end unit are used to adjust and determine the unknown maginal exergy cost of each unit by the way of press and squeeze,and make them converge on correct result.An example of applying the method to a nonlinear chain energy system shows that the method is effective. The method will help to break a new path to make thermoeconomic isolation be achieved in other types of energy system.展开更多
心肌致密化不全(non-compaction of ventricularmyocardium,NVM)是一种罕见的先天性心肌病,有家族遗传倾向,过去将其称为"海绵羊心肌"或"心肌窦状隙未闭"。1990年Chin等人首次报道了NVM,近年来才逐渐引起我国学者的重视,目前对本...心肌致密化不全(non-compaction of ventricularmyocardium,NVM)是一种罕见的先天性心肌病,有家族遗传倾向,过去将其称为"海绵羊心肌"或"心肌窦状隙未闭"。1990年Chin等人首次报道了NVM,近年来才逐渐引起我国学者的重视,目前对本病的研究还仅仅停留在个案报道。1995年世界卫生组织及国际心脏病学会(WHO/ISFC)工作组以病理生理或病因学、发病学为基础,更新了心肌病限制型心肌病,致心律失常性右室心肌病,未定型心肌病。展开更多
心肌致密化不全(noncompaction of ventricular myocardium,NVM)是胚胎早期心内膜心肌发育不良导致的一种罕见的先天性心肌病,具有家族发病倾向,2006年美国心脏病协会将其归类为原发性心肌病中的遗传性心肌病。NVM可并发室间隔缺损、...心肌致密化不全(noncompaction of ventricular myocardium,NVM)是胚胎早期心内膜心肌发育不良导致的一种罕见的先天性心肌病,具有家族发病倾向,2006年美国心脏病协会将其归类为原发性心肌病中的遗传性心肌病。NVM可并发室间隔缺损、左右流出道梗阻等其它心脏畸形,也可单独存在,展开更多
文摘In chemical,oil refinery and power industries there are many chain energy systems.Socalled chain energy system is made up of some unitary devices chained up,and each unit is allowed to exchange energy or mass with the outside of the system.Applying the idea of thermoeconomic isolation,a new method of thermoeconomic isolation on the chain energy systems is presented,and its convergence is proved meanwhile.It is the essene of the method to achieve thermoeconomic isolation on chain energy systems that two known parameters located at the start unit and the end unit are used to adjust and determine the unknown maginal exergy cost of each unit by the way of press and squeeze,and make them converge on correct result.An example of applying the method to a nonlinear chain energy system shows that the method is effective. The method will help to break a new path to make thermoeconomic isolation be achieved in other types of energy system.
文摘心肌致密化不全(non-compaction of ventricularmyocardium,NVM)是一种罕见的先天性心肌病,有家族遗传倾向,过去将其称为"海绵羊心肌"或"心肌窦状隙未闭"。1990年Chin等人首次报道了NVM,近年来才逐渐引起我国学者的重视,目前对本病的研究还仅仅停留在个案报道。1995年世界卫生组织及国际心脏病学会(WHO/ISFC)工作组以病理生理或病因学、发病学为基础,更新了心肌病限制型心肌病,致心律失常性右室心肌病,未定型心肌病。
文摘心肌致密化不全(noncompaction of ventricular myocardium,NVM)是胚胎早期心内膜心肌发育不良导致的一种罕见的先天性心肌病,具有家族发病倾向,2006年美国心脏病协会将其归类为原发性心肌病中的遗传性心肌病。NVM可并发室间隔缺损、左右流出道梗阻等其它心脏畸形,也可单独存在,