Currently,how to organically combine intelligent inspection and monitoring technologies,unmanned robotic operation technologies,IoT technologies,AI and digital twin technologies to construct a comprehensive and effici...Currently,how to organically combine intelligent inspection and monitoring technologies,unmanned robotic operation technologies,IoT technologies,AI and digital twin technologies to construct a comprehensive and efficient intelligent management and maintenance system for infrastructure has become a hot issue of common concern in the academic and industrial fields.It is also an inevitable requirement for promoting the development of certain fields like smart urban and rural areas,safe cities,smart road networks,and intelligent transportation.展开更多
The results of scientific studies of human social facts in the field of health show that the management of a patient should involve the patient’s entourage,whatever the status or size of the health establishment.In h...The results of scientific studies of human social facts in the field of health show that the management of a patient should involve the patient’s entourage,whatever the status or size of the health establishment.In healthcare establishments in the Congo,the following are recognised as being responsible for medical care:specialist doctors,doctors,midwives,nurses and care assistants.The patient’s family and close friends are responsible for looking after the patient and financing care.The hospital infrastructure does not provide any space for the patient warden who accompany the patient during reception and hospitalisation.This makes Congolese hospitals inefficient for patient care.How can we integrate the function of the Sick guard and the assistance of the family,in order to reduce the mortality rate and repair the harm caused to patients requiring the presence of relatives during their stay in hospital,which is considered to be a dangerous place?This article examines the functional principles for configuring the space that patient warden would occupy in the patient care system.On the basis of a documentary analysis of sociological and architectural studies of existing facilities,this article proposes a typical accommodation model with the spaces needed to ensure the well-being and effectiveness of the patient warden with the patient.These are rooms with minimum space for 2 to 4 individual beds,equipped with toilets and showers.The accommodation has a dining area,kitchen and laundry facilities.In the future,this accommodation will become part of the hospital estate and may be occupied by orderlies and patient warden recruited by the hospital administration.展开更多
In the early morning,Rinchen Gyatso in Maqu Township,Amdo County,Nagqu City,Xizang Autonomous Region,set off and embarked on another day's patrolling.As the head of the volunteer team to patrol the source of the Y...In the early morning,Rinchen Gyatso in Maqu Township,Amdo County,Nagqu City,Xizang Autonomous Region,set off and embarked on another day's patrolling.As the head of the volunteer team to patrol the source of the Yangtze River in Maqu,protecting the precious glacier and many wastelands along the route is the most important job for him.展开更多
随着财务系统数据库的使用时间增长,数据库中的数据量也会增加,数据量越大也意味着数据库备份与恢复所需要的成本就越高,不仅是备份所需时间越来越长,恢复数据所需时间也随之增长;当数据库发生意外而导致数据库中的数据不可修复的时候,...随着财务系统数据库的使用时间增长,数据库中的数据量也会增加,数据量越大也意味着数据库备份与恢复所需要的成本就越高,不仅是备份所需时间越来越长,恢复数据所需时间也随之增长;当数据库发生意外而导致数据库中的数据不可修复的时候,容灾远比备份更能快速有效的恢复生产业务的数据;在实际的使用过程中,我们也可以把容灾当做是一个活动的备份来使用,主要介绍了Oracle Data Guard和GoldenGate。展开更多
HIS skin has turned dark and his shoes are covered with dust.Donning a straw hat,Zhang Fusuo,an academician at the Chinese Academy of Engineering and a professor at China Agricultural University(CAU),says he has now b...HIS skin has turned dark and his shoes are covered with dust.Donning a straw hat,Zhang Fusuo,an academician at the Chinese Academy of Engineering and a professor at China Agricultural University(CAU),says he has now become a villager,rather than a professor.展开更多
Chinese young people are gearing up for preserving the ocean and marine wildlife.IU Qian is a diving instructor and an ardent volunteer for marine environmental protection.He has been to many tourist attractions aroun...Chinese young people are gearing up for preserving the ocean and marine wildlife.IU Qian is a diving instructor and an ardent volunteer for marine environmental protection.He has been to many tourist attractions around the world,such as the Nile River in Africa and the Red Sea lying between Africa and Asia.He turned his passion into a career,devoting himself to exploring deeper waters and sharing his knowledge and skills with more people in preserving the blue planet.展开更多
The influence of the virtual guard ring width(GRW)on the performance of the p-well/deep n-well single-photon avalanche diode(SPAD)in a 180 nm standard CMOS process was investigated.TCAD simulation demonstrates that th...The influence of the virtual guard ring width(GRW)on the performance of the p-well/deep n-well single-photon avalanche diode(SPAD)in a 180 nm standard CMOS process was investigated.TCAD simulation demonstrates that the electric field strength and current density in the guard ring are obviously enhanced when GRW is decreased to 1μm.It is experimentally found that,compared with an SPAD with GRW=2μm,the dark count rate(DCR)and afterpulsing probability(AP)of the SPAD with GRW=1μm is significantly increased by 2.7 times and twofold,respectively,meanwhile,its photon detection probability(PDP)is saturated and hard to be promoted at over 2 V excess bias voltage.Although the fill factor(FF)can be enlarged by reducing GRW,the dark noise of devices is negatively affected due to the enhanced trap-assisted tunneling(TAT)effect in the 1μm guard ring region.By comparison,the SPAD with GRW=2μm can achieve a better trade-off between the FF and noise performance.Our study provides a design guideline for guard rings to realize a low-noise SPAD for large-array applications.展开更多
文摘Currently,how to organically combine intelligent inspection and monitoring technologies,unmanned robotic operation technologies,IoT technologies,AI and digital twin technologies to construct a comprehensive and efficient intelligent management and maintenance system for infrastructure has become a hot issue of common concern in the academic and industrial fields.It is also an inevitable requirement for promoting the development of certain fields like smart urban and rural areas,safe cities,smart road networks,and intelligent transportation.
文摘The results of scientific studies of human social facts in the field of health show that the management of a patient should involve the patient’s entourage,whatever the status or size of the health establishment.In healthcare establishments in the Congo,the following are recognised as being responsible for medical care:specialist doctors,doctors,midwives,nurses and care assistants.The patient’s family and close friends are responsible for looking after the patient and financing care.The hospital infrastructure does not provide any space for the patient warden who accompany the patient during reception and hospitalisation.This makes Congolese hospitals inefficient for patient care.How can we integrate the function of the Sick guard and the assistance of the family,in order to reduce the mortality rate and repair the harm caused to patients requiring the presence of relatives during their stay in hospital,which is considered to be a dangerous place?This article examines the functional principles for configuring the space that patient warden would occupy in the patient care system.On the basis of a documentary analysis of sociological and architectural studies of existing facilities,this article proposes a typical accommodation model with the spaces needed to ensure the well-being and effectiveness of the patient warden with the patient.These are rooms with minimum space for 2 to 4 individual beds,equipped with toilets and showers.The accommodation has a dining area,kitchen and laundry facilities.In the future,this accommodation will become part of the hospital estate and may be occupied by orderlies and patient warden recruited by the hospital administration.
文摘In the early morning,Rinchen Gyatso in Maqu Township,Amdo County,Nagqu City,Xizang Autonomous Region,set off and embarked on another day's patrolling.As the head of the volunteer team to patrol the source of the Yangtze River in Maqu,protecting the precious glacier and many wastelands along the route is the most important job for him.
文摘随着财务系统数据库的使用时间增长,数据库中的数据量也会增加,数据量越大也意味着数据库备份与恢复所需要的成本就越高,不仅是备份所需时间越来越长,恢复数据所需时间也随之增长;当数据库发生意外而导致数据库中的数据不可修复的时候,容灾远比备份更能快速有效的恢复生产业务的数据;在实际的使用过程中,我们也可以把容灾当做是一个活动的备份来使用,主要介绍了Oracle Data Guard和GoldenGate。
文摘HIS skin has turned dark and his shoes are covered with dust.Donning a straw hat,Zhang Fusuo,an academician at the Chinese Academy of Engineering and a professor at China Agricultural University(CAU),says he has now become a villager,rather than a professor.
文摘Chinese young people are gearing up for preserving the ocean and marine wildlife.IU Qian is a diving instructor and an ardent volunteer for marine environmental protection.He has been to many tourist attractions around the world,such as the Nile River in Africa and the Red Sea lying between Africa and Asia.He turned his passion into a career,devoting himself to exploring deeper waters and sharing his knowledge and skills with more people in preserving the blue planet.
基金supported by the Jiangsu Agricultural Science and Technology Innovation Fund of China(No.CX(21)3062)the National Natural Science Foundation of China(No.62171233).
文摘The influence of the virtual guard ring width(GRW)on the performance of the p-well/deep n-well single-photon avalanche diode(SPAD)in a 180 nm standard CMOS process was investigated.TCAD simulation demonstrates that the electric field strength and current density in the guard ring are obviously enhanced when GRW is decreased to 1μm.It is experimentally found that,compared with an SPAD with GRW=2μm,the dark count rate(DCR)and afterpulsing probability(AP)of the SPAD with GRW=1μm is significantly increased by 2.7 times and twofold,respectively,meanwhile,its photon detection probability(PDP)is saturated and hard to be promoted at over 2 V excess bias voltage.Although the fill factor(FF)can be enlarged by reducing GRW,the dark noise of devices is negatively affected due to the enhanced trap-assisted tunneling(TAT)effect in the 1μm guard ring region.By comparison,the SPAD with GRW=2μm can achieve a better trade-off between the FF and noise performance.Our study provides a design guideline for guard rings to realize a low-noise SPAD for large-array applications.
