A novel substrate current model is proposed for submicron and deep-submicron li ghtly-doped-drain (LDD) n-MOSFET,with the emphasis on accurate description of the characteristics length by taking the effects of channe...A novel substrate current model is proposed for submicron and deep-submicron li ghtly-doped-drain (LDD) n-MOSFET,with the emphasis on accurate description of the characteristics length by taking the effects of channel length and bias int o account.This is due to that the characteristics lenth significantly affects th e maximum lateral electric field and the length of velocity saturation region,bo th of which are very important in modeling the drain current and the substrate c urrent.The comparison between simulations and experiments shows a good predictio n of the model for submicron and deep-submicron LDD MOSFET.Moreover,the analyti cal model is suitable for descgn of devices as it is low in computation consumpt ion.展开更多
Mobile devices as a popular computing platform for enterprise systems have enabled certain tasks to be executed out of office.However,the work may be interrupted due to the server shutdown or network disconnection whe...Mobile devices as a popular computing platform for enterprise systems have enabled certain tasks to be executed out of office.However,the work may be interrupted due to the server shutdown or network disconnection when employees access traditional single-engine Business Process Management System.To overcome this defect,we present a lightweight twin-engine architecture based on Service Oriented Architecture(SOA).In this paper,we discuss in detail the design and implementation of the architecture,and present a trigger mechanism to activate engines according to the states of hybrid environments since it is critical for the two types of engines to cooperate closely in hybrid environments with fixed and mobile computing resources.The experimental results validate the usability of the architecture.展开更多
AIM:To compare the presentation and impact on qual-ity of life of gastroesophageal reflux disease(GERD)in old and young age groups.METHODS:Data from adult patients with GERD di-agnosed by endoscopic and symptomic char...AIM:To compare the presentation and impact on qual-ity of life of gastroesophageal reflux disease(GERD)in old and young age groups.METHODS:Data from adult patients with GERD di-agnosed by endoscopic and symptomic characteristics were collected between January and November 2009.Exclusion criteria included combined peptic ulcers,ma-lignancy,prior surgery,antacid medication for more than 2 mo,and pregnancy.Enrolled patients were assigned to the elderly group if they were 65 years or older,or the younger group if they were under 65 years.They had completed the GERD impact scale,the Chinese GERD questionnaire,and the SF-36 question-naire.Data from other cases without endoscopic f ind-ings or symptoms were collected and these subjects comprised the control group in our study.RESULTS:There were 111 patients with GERD and 44 normal cases:78(70.3%)and 33 patients(29.7%)were in the younger and elderly groups,respectively.There were more female patients(60.3%)in the younger group,and more males(72.7%)in the elderly group.The younger cases had more severe and fre-quent typical symptoms than the elderly patients.Sig-nif icantly more impairment of daily activities was noted in the younger patients compared with the elderly group,except for physical functioning.CONCLUSION:Elderly patients with GERD were pre-dominantly male with rare presentation of typical symp-toms,and had less impaired quality of life compared with younger patients in a Chinese population.展开更多
文摘A novel substrate current model is proposed for submicron and deep-submicron li ghtly-doped-drain (LDD) n-MOSFET,with the emphasis on accurate description of the characteristics length by taking the effects of channel length and bias int o account.This is due to that the characteristics lenth significantly affects th e maximum lateral electric field and the length of velocity saturation region,bo th of which are very important in modeling the drain current and the substrate c urrent.The comparison between simulations and experiments shows a good predictio n of the model for submicron and deep-submicron LDD MOSFET.Moreover,the analyti cal model is suitable for descgn of devices as it is low in computation consumpt ion.
基金supported by the National 973 Programs(2013CB329102)the National Natural Science Foundation of China(61501048)+3 种基金China Postdoctoral Science Foundation funded project(2016T90067,2015M570060)the Key Project of National Natural Science Foundation of China(61132001)the National Key Technology Research and Development Program of China(2012BAH94F02)the Fundamental Research Funds for the Central Universities(2015RC22)
文摘Mobile devices as a popular computing platform for enterprise systems have enabled certain tasks to be executed out of office.However,the work may be interrupted due to the server shutdown or network disconnection when employees access traditional single-engine Business Process Management System.To overcome this defect,we present a lightweight twin-engine architecture based on Service Oriented Architecture(SOA).In this paper,we discuss in detail the design and implementation of the architecture,and present a trigger mechanism to activate engines according to the states of hybrid environments since it is critical for the two types of engines to cooperate closely in hybrid environments with fixed and mobile computing resources.The experimental results validate the usability of the architecture.
文摘AIM:To compare the presentation and impact on qual-ity of life of gastroesophageal reflux disease(GERD)in old and young age groups.METHODS:Data from adult patients with GERD di-agnosed by endoscopic and symptomic characteristics were collected between January and November 2009.Exclusion criteria included combined peptic ulcers,ma-lignancy,prior surgery,antacid medication for more than 2 mo,and pregnancy.Enrolled patients were assigned to the elderly group if they were 65 years or older,or the younger group if they were under 65 years.They had completed the GERD impact scale,the Chinese GERD questionnaire,and the SF-36 question-naire.Data from other cases without endoscopic f ind-ings or symptoms were collected and these subjects comprised the control group in our study.RESULTS:There were 111 patients with GERD and 44 normal cases:78(70.3%)and 33 patients(29.7%)were in the younger and elderly groups,respectively.There were more female patients(60.3%)in the younger group,and more males(72.7%)in the elderly group.The younger cases had more severe and fre-quent typical symptoms than the elderly patients.Sig-nif icantly more impairment of daily activities was noted in the younger patients compared with the elderly group,except for physical functioning.CONCLUSION:Elderly patients with GERD were pre-dominantly male with rare presentation of typical symp-toms,and had less impaired quality of life compared with younger patients in a Chinese population.
