Rehabilitation training is believed to be an effectual strategy that canreduce the risk of dysfunction caused by spasticity.However,achieving visualizationrehabilitation training for patients remains clinically challe...Rehabilitation training is believed to be an effectual strategy that canreduce the risk of dysfunction caused by spasticity.However,achieving visualizationrehabilitation training for patients remains clinically challenging.Herein,wepropose visual rehabilitation training system including iontronic meta-fabrics withskin-friendly and large matrix features,as well as high-resolution image modules fordistribution of human muscle tension.Attributed to the dynamic connection and dissociationof the meta-fabric,the fabric exhibits outstanding tactile sensing properties,such as wide tactile sensing range(0~300 kPa)and high-resolution tactile perception(50 Pa or 0.058%).Meanwhile,thanks to the differential capillary effect,the meta-fabric exhibits a“hitting three birds with one stone”property(dryness wearing experience,long working time and cooling sensing).Based on this,the fabrics can be integrated with garmentsand advanced data analysis systems to manufacture a series of large matrix structure(40×40,1600 sensing units)training devices.Significantly,the tunability of piezo-ionic dynamics of the meta-fabric and the programmability of high-resolution imaging modules allowthis visualization training strategy extendable to various common disease monitoring.Therefore,we believe that our study overcomes theconstraint of standard spasticity rehabilitation training devices in terms of visual display and paves the way for future smart healthcare.展开更多
BACKGROUND:Healthcare professionals are expected to have knowledge of current basic and advanced cardiac life support(BLS/ACLS) guidelines to revive unresponsive patients.METHODS:Across-sectional study was conducted t...BACKGROUND:Healthcare professionals are expected to have knowledge of current basic and advanced cardiac life support(BLS/ACLS) guidelines to revive unresponsive patients.METHODS:Across-sectional study was conducted to evaluate the current practices and knowledge of BLS/ACLS principles among healthcare professionals of North-Kerala using pretested self-administered structured questionnaire.Answers were validated in accordance with American Heart Association's BLS/ACLS teaching manual and the results were analysed.RESULTS:Among 461 healthcare professionals,141(30.6%) were practicing physicians,268(58.1%) were nurses and 52(11.3%) supporting staff.The maximum achievable score was 20(BLS15/ACLS 5).The mean score amongst all healthcare professionals was 8.9±4.7.The mean score among physicians,nurses and support staff were 8.6±3.4,9±3.6 and 9±3.3 respectively.The majority of healthcare professionals scored <50%(237,51.4%);204(44.3%) scored 51%-80%and 20(4.34%)scored >80%.Mean scores decreased with age,male sex and across occupation.Nurses who underwent BLS/ACLS training previously had significantly higher mean scores(10.2±3.4) than untrained(8.2±3.6,P=0.001).Physicians with <5 years experience(P=0.002) and nurses in the private sector(P=0.003)had significantly higher scores.One hundred and sixty three(35.3%) healthcare professionals knew the correct airway opening manoeuvres like head tilt,chin lift and jaw thrust.Only 54(11.7%) respondents were aware that atropine is not used in ACLS for cardiac arrest resuscitation and 79(17.1%) correctly opted ventricular fibrillation and pulseless ventricular tachycardia as shockable rhythms.The majority of healthcare professionals(356,77.2%) suggested that BLS/ACLS be included in academic curriculum.CONCLUSION:Inadequate knowledge of BLS/ACLS principles amongst healthcare professionals,especially physicians,illuminate lacunae in existing training systems and merit urgent redressal.展开更多
The purpose of this essay was to explore the importance of professional training for test writers and teachers as well.Since both testing and teaching are so closely interrelated that it's impossible to work in ei...The purpose of this essay was to explore the importance of professional training for test writers and teachers as well.Since both testing and teaching are so closely interrelated that it's impossible to work in either field without being constantly concerned with the other. Test writers need professional training to keep pace with emergence of new views of language teaching practice and the rapid change of social life, in order to make testing more authentic and more valid.展开更多
This paper aims to talk about the superficial reflections on language testing from the perspective of professional training for test writers,to qualify test writers with basic testing theories,to make the test valid a...This paper aims to talk about the superficial reflections on language testing from the perspective of professional training for test writers,to qualify test writers with basic testing theories,to make the test valid and reliable,to help improve educational reform and language teaching,to fully conform to the standards set by syllabus.展开更多
Communicating on millimeter wave(mmWave)bands is ushering in a new epoch of mobile communication which provides the availability of 10 Gbps high data rate transmission.However,mmWave links are easily prone to short tr...Communicating on millimeter wave(mmWave)bands is ushering in a new epoch of mobile communication which provides the availability of 10 Gbps high data rate transmission.However,mmWave links are easily prone to short transmission range communication because of the serious free space path loss and the blockage by obstacles.To overcome these challenges,highly directional beams are exploited to achieve robust links by hybrid beamforming.Accurately aligning the transmitter and receiver beams,i.e.beam training,is vitally important to high data rate transmission.However,it may cause huge overhead which has negative effects on initial access,handover,and tracking.Besides,the mobility patterns of users are complicated and dynamic,which may cause tracking error and large tracking latency.An efficient beam tracking method has a positive effect on sustaining robust links.This article provides an overview of the beam training and tracking technologies on mmWave bands and reveals the insights for future research in the 6th Generation(6G)mobile network.Especially,some open research problems are proposed to realize fast,accurate,and robust beam training and tracking.We hope that this survey provides guidelines for the researchers in the area of mmWave communications.展开更多
The human brain is highly plastic.Cognitive training is usually used to modify functional connectivity of brain networks.Moreover,the structures of brain networks may determine its dynamic behavior which is related to...The human brain is highly plastic.Cognitive training is usually used to modify functional connectivity of brain networks.Moreover,the structures of brain networks may determine its dynamic behavior which is related to human cognitive abilities.To study the effect of functional connectivity on the brain dynamics,the dynamic model based on functional connections of the brain and the Hindmarsh–Rose model is utilized in this work.The resting-state fMRI data from the experimental group undergoing abacus-based mental calculation(AMC)training and from the control group are used to construct the functional brain networks.The dynamic behavior of brain at the resting and task states for the AMC group and the control group are simulated with the above-mentioned dynamic model.In the resting state,there are the differences of brain activation between the AMC group and the control group,and more brain regions are inspired in the AMC group.A stimulus with sinusoidal signals to brain networks is introduced to simulate the brain dynamics in the task states.The dynamic characteristics are extracted by the excitation rates,the response intensities and the state distributions.The change in the functional connectivity of brain networks with the AMC training would in turn improve the brain response to external stimulus,and make the brain more efficient in processing tasks.展开更多
Holographic multiple-input multiple-output(HMIMO)has become an emerging technology for achieving ultra-high frequency spectral efficiency and spatial resolution in future wireless systems.The increasing antenna apertu...Holographic multiple-input multiple-output(HMIMO)has become an emerging technology for achieving ultra-high frequency spectral efficiency and spatial resolution in future wireless systems.The increasing antenna aperture leads to a more significant characterization of the spherical wavefront in near-field communications in HMIMO scenarios.Beam training as a key technique for wireless communication is worth exploring in this near-field scenario.Compared with the widely researched far-field beam training,the increased dimensionality of the search space for near-field beam training poses a challenge to the complexity and accuracy of the proposed algorithm.In this paper,we introduce several typical near-field beam training methods:exhaustive beam training,hierarchical beam training,and multi-beam training that includes equal interval multi-beam training and hash multi-beam training.The performances of these methods are compared through simulation analysis,and their effectiveness is verified on the hardware testbed as well.Additionally,we provide application scenarios,research challenges,and potential future research directions for near-field beam training.展开更多
In order to adapt to the needs of globalization and cultivate compound business English talents, business English courses in colleges and universities should carry out corresponding reforms in terms of course module s...In order to adapt to the needs of globalization and cultivate compound business English talents, business English courses in colleges and universities should carry out corresponding reforms in terms of course module settings, improving students' language learning and professional knowledge and skills training, and increasing practical training courses. Meet the changing employment environment and market demand.展开更多
基金supported by the National Key Research and Development Program(2022YFB3805800)National Natural Science Foundation of China(52473307,22208178,62301290)+9 种基金Taishan Scholar Program of Shandong Province in China(tsqn202211116)Shandong Provincial Universities Youth Innovation Technology Plan Team(2023KJ223)Natural Science Foundation of Shandong Province of China(ZR2023YQ037,ZR2020QE074,ZR2023QE043,ZR2022QE174)Shandong Province Science and Technology Small and Medium sized Enterprise Innovation Ability Enhancement Project(2023TSGC0344,2023TSGC1006)Natural Science Foundation of Qingdao(23-2-1-249-zyyd-jch,24-4-4-zrjj-56-jch)Anhui Province Postdoctoral Researcher Research Activity Funding Project(2023B706)Qingdao Key Technology Research and Industrialization Demonstration Projects(23-1-7-zdfn-2-hz)Qingdao Shinan District Science and Technology Plan Project(2022-3-005-DZ)Suqian Key Research and Development Plan(H202310)Jinan City-School Integration Development Strategy Project for the Year 2023 under Grant(JNSX2023088).
文摘Rehabilitation training is believed to be an effectual strategy that canreduce the risk of dysfunction caused by spasticity.However,achieving visualizationrehabilitation training for patients remains clinically challenging.Herein,wepropose visual rehabilitation training system including iontronic meta-fabrics withskin-friendly and large matrix features,as well as high-resolution image modules fordistribution of human muscle tension.Attributed to the dynamic connection and dissociationof the meta-fabric,the fabric exhibits outstanding tactile sensing properties,such as wide tactile sensing range(0~300 kPa)and high-resolution tactile perception(50 Pa or 0.058%).Meanwhile,thanks to the differential capillary effect,the meta-fabric exhibits a“hitting three birds with one stone”property(dryness wearing experience,long working time and cooling sensing).Based on this,the fabrics can be integrated with garmentsand advanced data analysis systems to manufacture a series of large matrix structure(40×40,1600 sensing units)training devices.Significantly,the tunability of piezo-ionic dynamics of the meta-fabric and the programmability of high-resolution imaging modules allowthis visualization training strategy extendable to various common disease monitoring.Therefore,we believe that our study overcomes theconstraint of standard spasticity rehabilitation training devices in terms of visual display and paves the way for future smart healthcare.
文摘BACKGROUND:Healthcare professionals are expected to have knowledge of current basic and advanced cardiac life support(BLS/ACLS) guidelines to revive unresponsive patients.METHODS:Across-sectional study was conducted to evaluate the current practices and knowledge of BLS/ACLS principles among healthcare professionals of North-Kerala using pretested self-administered structured questionnaire.Answers were validated in accordance with American Heart Association's BLS/ACLS teaching manual and the results were analysed.RESULTS:Among 461 healthcare professionals,141(30.6%) were practicing physicians,268(58.1%) were nurses and 52(11.3%) supporting staff.The maximum achievable score was 20(BLS15/ACLS 5).The mean score amongst all healthcare professionals was 8.9±4.7.The mean score among physicians,nurses and support staff were 8.6±3.4,9±3.6 and 9±3.3 respectively.The majority of healthcare professionals scored <50%(237,51.4%);204(44.3%) scored 51%-80%and 20(4.34%)scored >80%.Mean scores decreased with age,male sex and across occupation.Nurses who underwent BLS/ACLS training previously had significantly higher mean scores(10.2±3.4) than untrained(8.2±3.6,P=0.001).Physicians with <5 years experience(P=0.002) and nurses in the private sector(P=0.003)had significantly higher scores.One hundred and sixty three(35.3%) healthcare professionals knew the correct airway opening manoeuvres like head tilt,chin lift and jaw thrust.Only 54(11.7%) respondents were aware that atropine is not used in ACLS for cardiac arrest resuscitation and 79(17.1%) correctly opted ventricular fibrillation and pulseless ventricular tachycardia as shockable rhythms.The majority of healthcare professionals(356,77.2%) suggested that BLS/ACLS be included in academic curriculum.CONCLUSION:Inadequate knowledge of BLS/ACLS principles amongst healthcare professionals,especially physicians,illuminate lacunae in existing training systems and merit urgent redressal.
文摘The purpose of this essay was to explore the importance of professional training for test writers and teachers as well.Since both testing and teaching are so closely interrelated that it's impossible to work in either field without being constantly concerned with the other. Test writers need professional training to keep pace with emergence of new views of language teaching practice and the rapid change of social life, in order to make testing more authentic and more valid.
文摘This paper aims to talk about the superficial reflections on language testing from the perspective of professional training for test writers,to qualify test writers with basic testing theories,to make the test valid and reliable,to help improve educational reform and language teaching,to fully conform to the standards set by syllabus.
基金supported in part by the National Natural Science Foundation of China(NSFC)under Grant 92267202in part by the Municipal Government of Quzhou under Grant 2023D027+2 种基金in part by the National Natural Science Foundation of China(NSFC)under Grant 62321001in part by the National Key Research and Development Program of China under Grant 2020YFA0711303in part by the Beijing Natural Science Foundation under Grant Z220004.
文摘Communicating on millimeter wave(mmWave)bands is ushering in a new epoch of mobile communication which provides the availability of 10 Gbps high data rate transmission.However,mmWave links are easily prone to short transmission range communication because of the serious free space path loss and the blockage by obstacles.To overcome these challenges,highly directional beams are exploited to achieve robust links by hybrid beamforming.Accurately aligning the transmitter and receiver beams,i.e.beam training,is vitally important to high data rate transmission.However,it may cause huge overhead which has negative effects on initial access,handover,and tracking.Besides,the mobility patterns of users are complicated and dynamic,which may cause tracking error and large tracking latency.An efficient beam tracking method has a positive effect on sustaining robust links.This article provides an overview of the beam training and tracking technologies on mmWave bands and reveals the insights for future research in the 6th Generation(6G)mobile network.Especially,some open research problems are proposed to realize fast,accurate,and robust beam training and tracking.We hope that this survey provides guidelines for the researchers in the area of mmWave communications.
基金Project supported by the National Natural Science Foundation of China(Grant Nos.62276229 and 32071096).
文摘The human brain is highly plastic.Cognitive training is usually used to modify functional connectivity of brain networks.Moreover,the structures of brain networks may determine its dynamic behavior which is related to human cognitive abilities.To study the effect of functional connectivity on the brain dynamics,the dynamic model based on functional connections of the brain and the Hindmarsh–Rose model is utilized in this work.The resting-state fMRI data from the experimental group undergoing abacus-based mental calculation(AMC)training and from the control group are used to construct the functional brain networks.The dynamic behavior of brain at the resting and task states for the AMC group and the control group are simulated with the above-mentioned dynamic model.In the resting state,there are the differences of brain activation between the AMC group and the control group,and more brain regions are inspired in the AMC group.A stimulus with sinusoidal signals to brain networks is introduced to simulate the brain dynamics in the task states.The dynamic characteristics are extracted by the excitation rates,the response intensities and the state distributions.The change in the functional connectivity of brain networks with the AMC training would in turn improve the brain response to external stimulus,and make the brain more efficient in processing tasks.
文摘Holographic multiple-input multiple-output(HMIMO)has become an emerging technology for achieving ultra-high frequency spectral efficiency and spatial resolution in future wireless systems.The increasing antenna aperture leads to a more significant characterization of the spherical wavefront in near-field communications in HMIMO scenarios.Beam training as a key technique for wireless communication is worth exploring in this near-field scenario.Compared with the widely researched far-field beam training,the increased dimensionality of the search space for near-field beam training poses a challenge to the complexity and accuracy of the proposed algorithm.In this paper,we introduce several typical near-field beam training methods:exhaustive beam training,hierarchical beam training,and multi-beam training that includes equal interval multi-beam training and hash multi-beam training.The performances of these methods are compared through simulation analysis,and their effectiveness is verified on the hardware testbed as well.Additionally,we provide application scenarios,research challenges,and potential future research directions for near-field beam training.
文摘In order to adapt to the needs of globalization and cultivate compound business English talents, business English courses in colleges and universities should carry out corresponding reforms in terms of course module settings, improving students' language learning and professional knowledge and skills training, and increasing practical training courses. Meet the changing employment environment and market demand.
