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An Analysis on the Experience and Routines of Experimental Site of New-countryside Construction of Xianhong in Hubei 被引量:1
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作者 ZHU Xin-fang GAO Xiang 《Asian Agricultural Research》 2011年第7期17-19,共3页
The paper tends to make an empirical analysis on the experimental site of new countryside construction of Xianhong in Hubei, pointing out that the inner and outer dependence on routines of experimental construction. T... The paper tends to make an empirical analysis on the experimental site of new countryside construction of Xianhong in Hubei, pointing out that the inner and outer dependence on routines of experimental construction. The paper also puts forward the beneficial policies, focusing on the agricultural production and fostering professional farmers, to reduce much dependence on routines. 展开更多
关键词 New countryside Experimental site of Xianhong routines dependence China
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Innovation Management Processes and Routines for Business Success and Value Creation 被引量:1
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作者 Luis Vala Renato Pereira Isabel Caetano 《Management Studies》 2017年第5期471-481,共11页
Innovation is managed through the development of processes and routines, considered as critical for business success and value creation. The identification of relevant routines as well as the understanding of which fa... Innovation is managed through the development of processes and routines, considered as critical for business success and value creation. The identification of relevant routines as well as the understanding of which factors affect business innovation is the main objective of this research, based on a survey applied in Portuguese companies and their experience shared in best practices guides. Conclusions highlighted 10 key innovation routines, reinforcing the idea that innovation must be supported through a systematic and sustained management process. Results also indicate that SMEs face greater difficulties in benefiting from the potential of innovation practices and collaboration may present opportunities to overcome their limited resources. Therefore, regardless of size, business activity, science and technology intensity or other factors influencing firms dynamic capabilities, innovation should be considered as a management imperative as it can influence not only the present but also the future of business success. 展开更多
关键词 innovation management innovation process innovation routines value creation SMES PORTUGAL
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Developmental Routines of Oral English Ability for English Major Students:Based on Complex and Dynamic Systems Theory
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作者 MA Yi-ze CHEN Zheng 《Journal of Literature and Art Studies》 2022年第9期916-924,共9页
This study employs a Q methodology to explore the developmental routines of oral English ability for 12 English major students in China inspired by Complex and Dynamic Systems Theory(CDST).The data analysis suggests t... This study employs a Q methodology to explore the developmental routines of oral English ability for 12 English major students in China inspired by Complex and Dynamic Systems Theory(CDST).The data analysis suggests the next findings:(1)two developmental patterns emerge as the gradual improvement and the strong phase shift influenced by internal and external factors for interactions among different subsystems;(2)guided by CDST,the study proves the importance of self-organization and initial condition in previous studies.According to the above findings,It is highly suggested for teachers to form a holistic view of students’oral English development concerning the non-linear characteristic and individual differences. 展开更多
关键词 oral English Complex and Dynamic Systems Theory(CDST) developmental routines Q methodology
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The influences of Organizational Routines on Establishing Dynamic Competitive Advantages
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作者 Yurong Gao Liuying Yin 《Chinese Business Review》 2004年第7期31-36,共6页
As an important part in unique resources and capability of enterprises, organizational routines, on one hand, promote the success of enterprises, on the other hand, influence the future development of enterprises. Esp... As an important part in unique resources and capability of enterprises, organizational routines, on one hand, promote the success of enterprises, on the other hand, influence the future development of enterprises. Especially, organizational routines have the influences on the two factors of building up dynamic competitive advantages-strategic change and strategic flexibility and further influence the establishment of dynamic competitive advantages. This paper involves detailed analysis on the influences of organizational routines and on the approaches of establishing dynamic competitive advantages and puts forward the relevant countermeasures. 展开更多
关键词 organizational routines strategic change strategic flexibility dynamic competitive advantages
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交流中的语言实践 新标准英语(一年级起点)第4册Module 6 Routines课堂教学实录
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作者 许乐 于业宏 《辽宁教育》 2004年第4期59-61,54,共4页
第一课时 教学内容:Module 6 Unit 1 教学目标:1.学生能灵活运用usually来描述自己生活中通常做什么,在使用语言的过程中,提高自己的口语表达能力。 2.学生通过参与听一听、做一做、说一说、猜一猜等活动掌握所学的语言。 3.激发学生学... 第一课时 教学内容:Module 6 Unit 1 教学目标:1.学生能灵活运用usually来描述自己生活中通常做什么,在使用语言的过程中,提高自己的口语表达能力。 2.学生通过参与听一听、做一做、说一说、猜一猜等活动掌握所学的语言。 3.激发学生学习兴趣,通过学习本课内容,使学生养成日常生活中用英语做事情的好习惯。 教学重点:能够用usually来表达自己生活中常做的事情。 展开更多
关键词 新标准英语 一年级起点 第四册 Module6 routines 课堂实录 小学 英语教学 教学目标
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Some Examples for Daily Routines
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作者 Juno 《疯狂英语(初中天地)》 2021年第5期12-13,共2页
你的日常活动是什么样的呢?试着记录并改善它们吧!Daily routines can help us live a healthier,more productive life,with a little bit of motivation and discipline.From taking some time to exercise and eat right to setting ... 你的日常活动是什么样的呢?试着记录并改善它们吧!Daily routines can help us live a healthier,more productive life,with a little bit of motivation and discipline.From taking some time to exercise and eat right to setting aside other times to study and set goals,you’ll find yourself living a balanced,fulfilling lifestyle.Here are some examples of productive daily routines. 展开更多
关键词 ROUTINE YOURSELF MOTIVATION
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Consensus on glycemic management for patients with coronary heart disease and type 2 diabetes
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作者 Li-Nong JI Yun-Dai CHEN +1 位作者 Jing LIU Xiang-Hai ZHOU 《Journal of Geriatric Cardiology》 SCIE CAS CSCD 2024年第7期689-702,共14页
The prevalence of patients with coronary heart disease(CHD)and diabetes mellitus is notably high,posing sig-nificant residual cardiovascular risks even after routine interventions such as antihypertensive,lipid-loweri... The prevalence of patients with coronary heart disease(CHD)and diabetes mellitus is notably high,posing sig-nificant residual cardiovascular risks even after routine interventions such as antihypertensive,lipid-lowering,and antithrombot-ic treatments.Recent studies have demonstrated that certain glucose-lowering medications confer cardiovascular benefits for pa-tients with type 2 diabetes.However,a survey indicates that cardiologists may not be fully acquainted with the optimal screen-ing timing,indicators,and diagnostic criteria for type 2 diabetes,and there is insufficient awareness and a low rate of prescrip-tion of novel glucose-lowering medications with proven cardiovascular efficacy,such as glucagon-like peptide-1 receptor agon-ists(GLP-1 RAs)and sodium-glucose co-transporter-2 inhibitors(SGLT-2i).In this context,based on domestic and international guidelines or consensus and the latest evidence-based evidence,this consensus aims to standardize the glycemic management for patients with acute coronary syndrome,chronic coronary syndrome,and perioperative management for percutaneous coronary intervention.It highlights the key points of screening and diagnosis of type 2 diabetes,and the comprehensive management of cardiovascular risk in patients with CHD.The consensus elaborates on the principles and algorithms of glycemic management for CHD patients,without involving acute complications of diabetes,clarifies the clinical practice of glucose-lowering medications with cardiovascular benefits,and promotes the standardized use of these medications in cardiovascular and other related spe-cialty fields.Additionally,it addresses the glucose-lowering treatment to comprehensively reduce cardiovascular risks. 展开更多
关键词 CORONARY PATIENTS ROUTINE
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Sleep quality and characteristics of older adults with acute cardiovascular disease
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作者 Haroon Munir Michael Goldfarb 《Journal of Geriatric Cardiology》 SCIE CAS CSCD 2024年第3期369-373,共5页
Sleep plays a vital role in restoring the physical and mental health of people with cardiovascular disease.However,the hospital setting is not a conducive environment for sleep.Sleep interruptions by members of the ca... Sleep plays a vital role in restoring the physical and mental health of people with cardiovascular disease.However,the hospital setting is not a conducive environment for sleep.Sleep interruptions by members of the care team,including vital sign checks,medication delivery,and blood draws for laboratory investigations,are routinely done in many hospitals.Frequent interruptions by staff and noise by other patients have been cited as barriers to restorative sleep in the hospital. 展开更多
关键词 SLEEP ROUTINE CHARACTERISTICS
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Association between the frontoparietal network,clinical symptoms and treatment response in individuals with untreated anorexia nervosa
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作者 Qianqian He Hui Zheng +11 位作者 Jialin Zhang Ling Yue Qing Kang Cheng Lian Lei Guo Yan Chen Yanran Hu Yuping Wang Sufang Peng Zhen Wang Qiang Liu Jue Chen 《General Psychiatry》 CSCD 2024年第3期364-374,共11页
Background Anorexia nervosa(AN)has been characterised as a psychiatric disorder associated with increased control.Currently,it remains difficult to predict treatment response in patients with AN.Their cognitive abilit... Background Anorexia nervosa(AN)has been characterised as a psychiatric disorder associated with increased control.Currently,it remains difficult to predict treatment response in patients with AN.Their cognitive abilities are known to be resistant to treatment.It has been established that the frontoparietal control network(FPCN)is the direct counterpart of the executive control network.Therefore,the resting-state brain activity of the FPCN may serve as a biomarker to predict treatment response in AN.Aims The study aimed to investigate the association between resting-state functional connectivity(RSFC)of the FPCN,clinical symptoms and treatment response in patients with AN.Methods In this case-control study,79 female patients with AN and no prior treatment from the Shanghai Mental Health Center and 40 matched healthy controls(HCs)were recruited from January 2015 to March 2022.All participants completed the Questionnaire Versionof the Eating Disorder Examination(version 6.0)to assess the severity of their eating disorder symptoms.Additionally,RSFC data were obtained from all participants at baseline by functional magnetic resonance imaging.Patients with AN underwent routine outpatient treatment at the 4th and 12th week,during which time their clinical symptoms were evaluated using the same measures as at baseline.Results Among the 79 patients,40 completed the 4-week follow-up and 35 completed the 12-week follow-up.The RSFC from the right posterior parietal cortex(PPC)and dorsolateral prefrontal cortex(diPFC)increased in 79 patients with AN vs 40 HCs after controlling for depression and anxiety symptoms.By multiple linear regression,the RSFC of the PPC to the inferior frontal gyrus was found to be a significant factor for self-reported eating disorder symptoms at baseline and the treatment response to cognitive preoccupations about eating and body image,after controlling for age,age of onset and body mass index.The RSFC in the dIPFC to the middle temporal gyrus and the superior frontal gyrus may be significant factors in the treatment response to binge eating and loss of control/overeating in patients with AN.Conclusions Alterations in RSFC in the FPCN appear to affect self-reported eating disorder symptoms and treatment response in patients with AN.Our findings offer new insight into the pathogenesis of AN and could promote early prevention and treatment. 展开更多
关键词 SYMPTOMS ROUTINE PREVENTION
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Cluster sampling methodology to evaluate immunization coverage
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作者 Aishwarya Sharma RB Jain +3 位作者 Jitesh Satija Aditi Sharma Avani Sharma Sudhir Shekhawat 《World Journal of Methodology》 2024年第3期78-89,共12页
BACKGROUND Immunization is a key component of primary health care and an indisputable human right.Vaccines are critical to the prevention and control of infectious disease outbreaks.The coronavirus disease 2019(COVID-... BACKGROUND Immunization is a key component of primary health care and an indisputable human right.Vaccines are critical to the prevention and control of infectious disease outbreaks.The coronavirus disease 2019(COVID-19)pandemic and associated disruptions over the past two years have strained the health systems,with many children missing out on essential childhood vaccines.AIM To evaluate the immunization coverage among 12-23-month-old children in the rural areas of Community Health Centre(CHC)Dighal and to determine the factors influencing the existing immunization coverage.METHODS A coverage evaluation survey was conducted according to the 30-cluster sampling technique,which is the standard methodology for such surveys devised by World Health Organization.A total of 300 children aged 12-23 months were included,whose immunization details were noted from their immunization cards.RESULTS Full immunization rate was noted in 86.7%of the children,with partial and non-immunized children accounting for 9%and 4.3%respectively.The full immunization dropout rate was 4.2%.The common reasons for partial or non-immunization were family problem including illness of mother,vaccine not being available and child being ill.Place of birth(P=0.014)and availability of immunization card(P<0.001)were significant predictors of the immunization status.Since the study was conducted in 2020/2021,health services were disrupted due to the COVID-19 lockdown.CONCLUSION Due to the coverage being higher than the national average,it was concluded that the immunization coverage was optimal and not affected by the COVID-19 pandemic. 展开更多
关键词 Immunization coverage CHILDREN COVID 19 pandemic Vaccines Family health Routine immunization
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The Promoting Role of TCM Nursing in the Rehabilitation of Stroke Hemiplegia Patients
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作者 Nong Yan Lihua Qin +2 位作者 Buqing Su Xiaoye Su Yanfang Wei 《Open Journal of Nursing》 2024年第7期321-328,共8页
Objective: To explore the promoting function of TCM nursing in the rehabilitation of hemiplegia patients with stroke. Methods: 78 stroke hemiplegic patients admitted from April 2022 to April 2024 were randomly divided... Objective: To explore the promoting function of TCM nursing in the rehabilitation of hemiplegia patients with stroke. Methods: 78 stroke hemiplegic patients admitted from April 2022 to April 2024 were randomly divided into a control group of 38 cases who received routine care, and an experimental group of 40 cases who received routine nursing basis plus traditional Chinese medicine nursing;the nursing effects of the two groups of patients were compared. Results: After 12 days of nursing care, the experimental group showed better psychological status [SAS score (21.71 ± 3.21), SDS score (22.18 ± 2.31)], limb motor function, daily living ability, and neurological function [NIHSS score (12.23 ± 2.21)] than the control group, with significant differences in data (P Conclusion: Traditional Chinese medicine nursing for stroke hemiplegia patients is more conducive to promoting rehabilitation than routine nursing. 展开更多
关键词 Traditional Chinese Medicine Nursing Routine Nursing Stroke Hemiplegia Rehabilitation Effect
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The Diagnostic Value of Oligoclonal Band Detection in Viral Encephalitis
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作者 Anqi Huang Xianyue Meng Xueli Li# 《Journal of Behavioral and Brain Science》 2024年第1期23-31,共9页
Objective: This study aims to explore the differences in cerebrospinal fluid oligoclonal band (CSF-OCB) expression among different age groups in viral encephalitis and its reference value for diagnosis. Methods: Forty... Objective: This study aims to explore the differences in cerebrospinal fluid oligoclonal band (CSF-OCB) expression among different age groups in viral encephalitis and its reference value for diagnosis. Methods: Forty-two patients with viral encephalitis were divided into two groups: 25 adults and 17 children. The presence of oligoclonal bands in the cerebrospinal fluid (CSF) was detected using polyacrylamide gel electrophoresis, and CSF routine analysis was conducted for comparative analysis. Results: The CSF-OCB positivity rate was higher in the adult group (48%) compared with the pediatric group (11.76%), with a statistically significant difference (P Conclusion: 1) The expression of CSF-OCB positivity in patients with viral encephalitis is age-related, with higher positivity rates observed in adults compared to children. 2) Although CSF oligoclonal band detection is not a specific diagnostic marker for viral encephalitis in adults, it still holds certain reference value. 展开更多
关键词 Oligoclonal Band Detection Viral Encephalitis Routine Analysis of Cerebrospinal Fluid Age
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Analysis of Blood Lipids, Blood Glucose, Blood Uric Acid, and Blood Routine Test Results in Retired Employees of a Unit in the Civil Aviation System
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作者 Sunhang Cao Zhengfeng Liu +3 位作者 Guiyu Cheng Dongmei Zhai Ke Gong Chunshui Huang 《Journal of Clinical and Nursing Research》 2024年第8期67-74,共8页
Objective:To investigate and analyze the annual physical examination results of retired employees from a unit in the civil aviation system,focusing on blood lipids,blood glucose,blood uric acid,and blood routine resul... Objective:To investigate and analyze the annual physical examination results of retired employees from a unit in the civil aviation system,focusing on blood lipids,blood glucose,blood uric acid,and blood routine results.The study aims to provide relevant references for formulating reasonable disease management measures for preventing and controlling hyperlipidemia,hyperuricemia,and other conditions in retired employees.Methods:The examination results of 231 participants were collected and analyzed.The participants were divided into four groups based on age:middle-aged group,young-old group,middle-old group,and old-old group.The blood test results were compared across these groups,and an assessment of atherosclerotic cardiovascular disease(ASCVD)risk levels was completed in conjunction with medical history.Blood test results were also compared by gender.Results:There were no significant statistical differences in blood test results when grouped by age.However,the prevalence of hyperuricemia was higher in males than in females,while the prevalence of hypercholesterolemia was higher in females than in males.The LDL-C target achievement rate was lower in the moderate-and-high-risk group as well as the very high-risk group as defined by ASCVD risk levels.Conclusion:Management of hyperuricemia and hyperlipidemia in retired employees(elderly patients)should be strengthened to reduce the risk of ASCVD events and alleviate the potential medical burden associated with disease progression. 展开更多
关键词 Physical examination Blood routine Blood lipids Blood uric acid Blood glucose Atherosclerotic cardiovascular disease
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Data-Driven Product Development Transformation:A Case Study from the Perspective of Adaptive Change in Organizational Routines
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作者 LIU Yi XIE Kang DENG Honglin 《Frontiers of Business Research in China》 2022年第2期151-186,共36页
Extant research mostly focuses on the impact of big data on product development(PD)process and performance,and yet there is a lack of theoretical exploration of the transformation path,realization mechanism and transf... Extant research mostly focuses on the impact of big data on product development(PD)process and performance,and yet there is a lack of theoretical exploration of the transformation path,realization mechanism and transformation paradigm while moving from experience-based PD(EBPD)to data-driven PD(DDPD).This paper,from the integrated perspective of adaptive change and organizational routines,and based on an in-depth case study of HSTYLE,proposes a two-stage transformation model for moving from EBPD to DDPD,dissects the adaptive change mechanism of organizational routines for DDPD,puts forward a theoretical model for the transformation paradigm for DDPD,and provides an innovative interpretation of the connotation of data-driven.This paper constructs a theory for DDPD transformation that comprises three aspects:transformation path,realization mechanism and transformation paradigm.Conclusions of this paper have policy implications for enterprises in their practice on data-driven product innovation in the digital economy era. 展开更多
关键词 product development transformation data driven organizational routine change adaptive change case study
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Local teachers guide paralympic dance routines
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作者 Zhong Qingru 《Changjiang Weekly》 2022年第9期5-5,共1页
At the opening ceremony of the Beiig Paralympic Winter Games on the evening of March 4,90 performners,including hearing-impaired ones,put on a show called"Winter Paralympic Waltz."They danced gracefully,disp... At the opening ceremony of the Beiig Paralympic Winter Games on the evening of March 4,90 performners,including hearing-impaired ones,put on a show called"Winter Paralympic Waltz."They danced gracefully,displaying the friendship between people and the vitality of life. 展开更多
关键词 ROUTINE ONES IMPAIRED
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Efficacy of repeated intravenous esketamine in adolescents with anxious versus non-anxious depression 被引量:4
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作者 Xiaofeng Lan Chengyu Wang +8 位作者 Fan Zhang Haiyan Liu Ling Fu Weicheng Li Yanxiang Ye Zhibo Hu Siming Mai Yuping Ning Yanling Zhou 《General Psychiatry》 CSCD 2023年第3期158-167,共10页
Background Patients with anxious major depressive disorder(MDD)are more likely to have poorer outcomes than those with non-anxious MDD.However,the effect of esketamine on adolescents with anxious versus non-anxious MD... Background Patients with anxious major depressive disorder(MDD)are more likely to have poorer outcomes than those with non-anxious MDD.However,the effect of esketamine on adolescents with anxious versus non-anxious MDD has remained unknown.Aims We compared the efficacy of esketamine in adolescents with MDD and suicidal ideation,both anxious and non-anxious.Methods Fifty-four adolescents with anxious(n=33)and non-anxious(n=21)MDD received three infusions of esketamine 0.25mg/kg or active-placebo(midazolam 0.045 mg/kg)over 5 days,with routine inpatient care and treatment.Suicidal ideation and depressive symptoms were assessed using the Columbia Suicide Severity Rating Scale and the Montgomery-Asberg Depression Rating Scale.Multiple-sample proportional tests were used to compare the differences between groups on treatment outcomes 24 hours after the final infusion(day 6,primacy efficacy endpoint)and throughout the 4-week post-treatment(days 12,19 and 33).Results In subjects who received esketamine,a greater number of patients in the non-anxious group than the anxious group achieved antisuicidal remission on day 6(72.7%vs 18.8%,p=0.015)and day 12(90.9%vs 43.8%,p=0.013),and the non-anxious group had a higher antidepressant remission rate compared with the anxious group on day 33(72.7%vs 26.7%,p=0.045).No significant differences in treatment outcomes were observed between the anxious and non-anxious groups at other time points.Conclusions Three infusions of esketamine as an adjunct to routine inpatient care and treatment had a greater immediate post-treatment antisuicidal effect in adolescents with non-anxious MDD than in those with anxious MDD;however,this benefit was temporary and was not maintained over time. 展开更多
关键词 INFUSION KETAMINE ROUTINE
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Limiting Magnitudes of the Wide Field Survey Telescope(WFST) 被引量:3
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作者 雷磊 朱青峰 +5 位作者 孔旭 王挺贵 郑宪忠 师冬冬 范璐璐 刘伟 《Research in Astronomy and Astrophysics》 SCIE CAS CSCD 2023年第3期111-118,共8页
Expected to be of the highest survey power telescope in the northern hemisphere,the Wide Field Survey Telescope(WFST)will begin its routine observations of the northern sky since 2023.WFST will produce a lot of scient... Expected to be of the highest survey power telescope in the northern hemisphere,the Wide Field Survey Telescope(WFST)will begin its routine observations of the northern sky since 2023.WFST will produce a lot of scientific data to support the researches of time-domain astronomy,asteroids and the solar system,galaxy formation and cosmology and so on.We estimated that the 5σlimiting magnitudes of WFST with 30 s exposure are u=22.31mag,g=23.42 mag,r=22.95 mag,i=22.43 mag,z=21.50 mag,w=23.61 mag.The above values are calculated for the conditions of airmass=1.2,seeing=075,precipitable water vapor=2.5 mm and Moon-object separation=45°at the darkest New Moon night of the Lenghu site(V=22.30 mag,Moon phaseθ=0°).The limiting magnitudes in different Moon phase conditions are also calculated.The calculations are based on the empirical transmittance data of WFST optics,the vendor provided CCD quantum efficiency,the atmospherical model transmittance and spectrum of the site.In the absence of measurement data such as sky transmittance and spectrum,we use model data. 展开更多
关键词 LIMITING GALAXY ROUTINE
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Why Kenya should worry about Anopheles stephensi 被引量:1
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作者 Eunice A Owino 《Asian Pacific Journal of Tropical Medicine》 SCIE CAS 2023年第3期99-101,共3页
On the 18th of February, the Kenya Medical Research Institute(KEMRI) raised an alarm that it had detected Anopheles(An.) stephensi in Laisamis and Saku sub counties of Marsabit county during a routine mosquito surveil... On the 18th of February, the Kenya Medical Research Institute(KEMRI) raised an alarm that it had detected Anopheles(An.) stephensi in Laisamis and Saku sub counties of Marsabit county during a routine mosquito surveillance[1,2]. Up until this announcement, the invasive mosquito had been reported in other horn of African countries: Djibouti(2012), Ethiopia(2016). 展开更多
关键词 ROUTINE raised WORRY
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Legionella pneumonia complicated with rhabdomyolysis and acute kidney injury diagnosed by metagenomic nextgeneration sequencing: a case report
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作者 Bin Deng Junjie Hua +6 位作者 Yufei Zhou Duoxian Zhan Lijuan Zhu Yixing Zhan Yumin Fang Yun Ji Libin Li 《World Journal of Emergency Medicine》 SCIE CAS CSCD 2023年第4期322-324,共3页
The triad of Legionella pneumonia,rhabdomyolysis,and acute kidney injury(AKI)is uncommon but can be devastating.[1]It is vital to recognize Legionella species early as a potential cause of pneumonia.Legionella infecti... The triad of Legionella pneumonia,rhabdomyolysis,and acute kidney injury(AKI)is uncommon but can be devastating.[1]It is vital to recognize Legionella species early as a potential cause of pneumonia.Legionella infection remains underdiagnosed because of the nonspecific nature of clinical features and the shortcomings of routinely available diagnostic tests.[2]Metagenomic next-generation sequencing(mNGS)is a culture-free and hypothesis-free diagnostic method that can rapidly identify almost all known pathogens in a sample.[3]Here,we present a successfully cured case of rhabdomyolysis and AKI caused by Legionella pneumophila with etiologic diagnosis aided by the use of mNGS. 展开更多
关键词 PNEUMONIA ROUTINE KIDNEY
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Principal Component Analysis of Ground Level Enhancement of Cosmic Ray Events
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作者 R.E.Ugwoke A.A.Ubachukwu +3 位作者 J.O.Urama O.Okike J.A.Alhassan A.E.Chukwude 《Research in Astronomy and Astrophysics》 SCIE CAS CSCD 2023年第3期155-169,共15页
We applied principal component analysis(PCA)to the study of five ground level enhancements(GLEs)of cosmic ray(CR)events.The nature of the multivariate data involved makes PCA a useful tool for this study.A subroutine ... We applied principal component analysis(PCA)to the study of five ground level enhancements(GLEs)of cosmic ray(CR)events.The nature of the multivariate data involved makes PCA a useful tool for this study.A subroutine program written and implemented in the R software environment generated interesting principal components.Analysis of the results shows that the method can distinguish between neutron monitors(NMs)that observed Forbush decreases from those that observed GLEs at the same time.The PCA equally assigned NMs with identical signal counts with the same correlation factor(r)and those with close r values equally have a close resemblance in their CR counts.The results further indicate that while NMs that have the same time of peak may not have the same r,most NMs that had the same r also had the same time of peak.Analyzing the second principal components yielded information on the differences between NMs having opposite but the same or close values of r.NMs that had the same r equally had the tendency of being close in latitude. 展开更多
关键词 ROUTINE equally identical
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