In this paper,a review was finished according to a novel-"The Time Traveler's Wife".It use time travel to explore miscommunication and distance in relationships.A lot of knowledge could be obtained from ...In this paper,a review was finished according to a novel-"The Time Traveler's Wife".It use time travel to explore miscommunication and distance in relationships.A lot of knowledge could be obtained from the passage.展开更多
By contrast with Sartre's existentialism,The Time Traveler's Wife depicts another humanistic world.Moreover,such things as meaning,reason,compensation and peace are indispensable in this world.
Traffic congestion has become a critical issue in developing countries,as it tends to increase social costs in terms of travel cost and time,energy consumption and environmental degradation.With limited resources,redu...Traffic congestion has become a critical issue in developing countries,as it tends to increase social costs in terms of travel cost and time,energy consumption and environmental degradation.With limited resources,reducing travel demand by influencing individuals’ travel behavior can be a better long-term solution.To achieve this objective,alternate travel options need to be provided so that people can commute comfortably and economically.This study aims to identify key motives and constraints in the consideration of carpooling policy with the help of stated preference questionnaire survey that was conducted in Lahore City.The designed questionnaire includes respondents’ socioeconomic demographics,and intentions and stated preferences on carpooling policy.Factor analysis was conducted on travelers’ responses,and a structural model was developed for carpooling.Survey and modeling results reveal that social,environmental and economic benefits,disincentives on car use,preferential parking treatment for carpooling,and comfort and convenience attributes are significant determinants in promoting carpooling.However,people with strong belief in personal privacy,security,freedom in traveling and carpooling service constraints would have less potential to use thecarpooling service.In addition,pro-auto and pro-carpooling attitudes,marital status,profession and travel purpose for carpooling are also underlying factors.The findings implicate that to promote carpooling policy it is required to consider appropriate incentives on this service and disincentives on use of private vehicle along with modification of people’s attitudes and intentions.展开更多
Having criticized the current architecture of Advanced Traveler Information Systems (ATISs), this work discusses a new base of requirements to develop a new paradigm for traffic information systems. It mainly integr...Having criticized the current architecture of Advanced Traveler Information Systems (ATISs), this work discusses a new base of requirements to develop a new paradigm for traffic information systems. It mainly integrates three dimensions within a traffic system: drivers' pattern of behavior and preferences, urban traffic desires, and capabilities of traffic information service providers. Based on the above, functional segments from several related backgrounds are brought together to structure a new architecture, called Interactive Traveler Information System (ITIS). The main interactive feature of this new architecture is a two-way communication track between drivers and the traffic information system provider-in fact, a decision on choosing a road at a particular time for an individual will be made based on the utility of both sides. This new configuration consists of driver-side smartphone application, centric traffic prediction, and decision-maker units, which will shape a new approach of decision-making processes. These all work together to satisfy the designated goal of ITIS, which is preserving the Wardrop equilibrium condition in the traffic network level. Finally, we concentrate on a comparison study, which shows a differentiation between performance of the proposed ITIS and the current ATIS model in a real situation. This has been done with simulations of analogical scenarios. The most noticeable advantage of the proposed architecture is not being limited to a saturation limit, and the positive effect of increasing system penetration in the performance of the newly introduced information system. In conclusion, new research subjects are suggested to be carried out.展开更多
Rationale: Malaria and dengue are the most prevalent vector-borne diseases in tropical countries. Plasmodium parasite and dengue virus(DENV) concurrent infection is possible and often under-recognized in geographical ...Rationale: Malaria and dengue are the most prevalent vector-borne diseases in tropical countries. Plasmodium parasite and dengue virus(DENV) concurrent infection is possible and often under-recognized in geographical areas where these infections are both endemic.Patients concern and diagnosis: We describe the first two cases of Plasmodium falciparum and DENV-3 co-infection in travelers returning to northeastern Italy from Burkina Faso during 2013-2014.Interventions: Malaria infection in both patients was treated with mefloquine. Due to the persistence of symptoms despite of the antimalaria treatment, dengue was also investigated;the treatment of dengue was symptomatic.Outcomes: The patients were discharged in good general condition.Lessons: The need for surveillance of potential malaria and dengue co-infection in travelers returning to Europe from endemic areas is highlighted, as infection with Plasmodium does not exclude arboviral co-infection.展开更多
The Coronavirus Disease-2019 (COVID-19) outbreak has become a global health emergency owing to its magnitude, attributed deaths, and its propensity to spread across the world. In-fact, owing to its quick spread across...The Coronavirus Disease-2019 (COVID-19) outbreak has become a global health emergency owing to its magnitude, attributed deaths, and its propensity to spread across the world. In-fact, owing to its quick spread across international boundaries and the resulting caseload, the disease has been declared as a Public Health Emergency of International Concern on 30 January 2020. It is worth noting that out of the 395 cases detected in other nations, 165 (41.8%) have a positive history of travel to China. As of now, the World Health Organization has not recommended for any restrictions on the travel or trade aspects, but has clearly specified that implementation of International Health Regulations should be strictly done at the airports and seaports. In conclusion, the COVID-19 outbreak has created an alarm across the globe as the causative virus is novel in nature. However, strengthening of standard infection control practices and adoption of preventive measures for travelers can significantly minimize the threat of further transmission of the disease.展开更多
Objective:Individuals travel locally and internationally in order to find alternative treatments which are less-toxic and more beneficial to their health and wellness.Despite the popularity of the western system of me...Objective:Individuals travel locally and internationally in order to find alternative treatments which are less-toxic and more beneficial to their health and wellness.Despite the popularity of the western system of medicine,cupping therapies are gaining enormous attention in Pakistan as a system of traditional and complementary medicine to ensure the quality of life and wellness notions of the people.The present study aims to examine the effectiveness of dry cupping therapy(DCT)on the health,wellness,and quality of life preferences of health-seeking travelers in a sample of Faisalabad.Methods:DCT was performed for 15-20 minutes on subjects by using 3-5 disposable cupping glasses.Study participants filled the questionnaires before and after DCT interventions.Partial least square structural equation modeling technique is used in order to statistically analyze the data.Results:A total of 187 subjects participated in two DCT interventions at Coural Wellness Center Faisalabad and provided their final responses after 30 days from 2nd DCT.Respondents’perceptions of their physical feelings were generally found in a significantly positive and direct relation with DCT and health status(HS),i.e.,body pain(β=0.019),vitality(β=0.138),and bodily movement(β=0.207).This trend was observed in the psychological feelings of respondents as well,i.e.,emotional feelings(β=0.169).DCT significantly mediated the overall phenomenon and variance account for values were found between 20%and 80%for all the study constructs.The scores of all the health and wellness items on the questionnaire were significantly improved in 79.68%of studied participants after 1st and 2nd DCT interventions except for social functioning.Conclusion:Findings of the present study suggest that DCT has an important role in determining the health perceptions and HS of health travelers without potential side-effects.It can improve the health and overall quality of life of the people by positively influencing their physical and psychological health perceptions.It additionally leads to improve travelers’emotion,behavior,and other daily matters.展开更多
Businesses and corporations today break geographical boundaries and carry out business globally[14].Business travel can be physically demanding and psychologically stressful,compromising the well-being of business tra...Businesses and corporations today break geographical boundaries and carry out business globally[14].Business travel can be physically demanding and psychologically stressful,compromising the well-being of business travelers and the benefits of organizations.The present study examined how biopsychosocial factors,which are health concern,burnout,and social support,explained business travel stress among business travelers in Malaysia.We recruited 100 working adults(n=63 men,n=37 women)who traveled for business purposes from airports in Malaysia.Participants completed a series of questionnaires using the paper-and-pencil method.The mediation analyses showed that only burnout mediated the relationship between business travel and perceived stress.Specifically,the less intensely an individual traveled,s/he experienced a higher level of perceived stress;and this could be explained by the high level of burnout experienced.These findings have shed some light on how to deal with business travel stress at organizational and personal levels.Our findings suggested that organization-level interventions and policies should place an emphasis on employees who have to travel and in particular those who travel less intensively.Also,to provide support for business traveling employees,corporations should set up interventions and policies that aim to decrease burnout associated with business traveling.展开更多
A case of furuncular myiasis was reported for the first time in a 29-year-old young Taiwan Residents traveler returning from an ecotourism in Peru.Furuncle-like lesions were observed on the top of his head and he comp...A case of furuncular myiasis was reported for the first time in a 29-year-old young Taiwan Residents traveler returning from an ecotourism in Peru.Furuncle-like lesions were observed on the top of his head and he complained of crawling sensations within his scalp.The invasive larva of botfly,Dermatobia hominis,was extruded from the furuncular lesion of the patient.Awareness of cutaneous myiasis for clinicians should be considered for a patient who has a furuncular lesion and has recently returned from a botfly-endemic area.展开更多
To explore the influence of intelligent highways and advanced traveler information systems(ATIS)on path choice behavior,a day-to-day(DTD)traffic flow evolution model with information from intelligent highways and ATIS...To explore the influence of intelligent highways and advanced traveler information systems(ATIS)on path choice behavior,a day-to-day(DTD)traffic flow evolution model with information from intelligent highways and ATIS is proposed,whereby the network reliability and experiential learning theory are introduced into the decision process for the travelers’route choice.The intelligent highway serves all the travelers who drive on it,whereas ATIS serves vehicles equipped with information systems.Travelers who drive on intelligent highways or vehicles equipped with ATIS determine their trip routes based on real-time traffic information,whereas other travelers use both the road network conditions from the previous day and historical travel experience to choose a route.Both roadway capacity degradation and travel demand fluctuations are considered to demonstrate the uncertainties in the network.The theory of traffic network flow is developed to build a DTD model considering information from intelligent highway and ATIS.The fixed point theorem is adopted to investigate the equivalence,existence and stability of the proposed DTD model.Numerical examples illustrate that using a high confidence level and weight parameter for the traffic flow reduces the stability of the proposed model.The traffic flow reaches a steady state as travelers’routes shift with repetitive learning of road conditions.The proposed model can be used to formulate scientific traffic organization and diversion schemes during road expansion or reconstruction.展开更多
This research investigates the characteristics of Thai to discern what their traveling behavior patterns. It indicated five different traveling patterns, which were named, "Physical action", "Conservation of nature...This research investigates the characteristics of Thai to discern what their traveling behavior patterns. It indicated five different traveling patterns, which were named, "Physical action", "Conservation of nature", "Service expectation", "Intend to travel" and "Obedience of law and order". It revealed that their traveling patterns were physically passive, less environmentally aware and knowledgeable, service expected, multi-purpose and short trip, and moderate obedience of law and order. The relation of sociodemographic profile (gender, age, education and income) to their traveling patterns was analyzed using Chi-Square tests. Discriminant analysis was run as a way of examining the accuracy and usefulness of the ecotourist scorecard. Using the concept of a hard-to-soft ecotourist with discriminant analysis, 51.4% was soft ecotourist, 39.3% was medium ecotourist and 9.3% was hard ecotourist. Although not identified, it is likely that there are subgroups (0.3%) within the hard ecotourist with the higher scoring tourists being most active ecotourist. The findings showed that the majority of Thai people tend to be comfortable nature-based tourist with less environmentally aware and knowledgeable. In fact, it could be argued that tourists in natural environments, even if they try to minimize their impact, may cause more environmental damage than tourist on a city tour.展开更多
Based on the travel texts of western travelers who came to Guangzhou in the 19;century, the travel situation of travelers in Guangzhou in the 19;century was deeply analyzed;Thirteen Hongs of Canton as the focus of the...Based on the travel texts of western travelers who came to Guangzhou in the 19;century, the travel situation of travelers in Guangzhou in the 19;century was deeply analyzed;Thirteen Hongs of Canton as the focus of the travel texts, and western travelers’ impressions of Guangzhou’s urban landscapes and water landscapes were described and discussed in detail;China’s national image in the eyes of Westerners was analyzed, and it was an objective reflection of the situation of the Qing Empire at that time.展开更多
Electric vehicles(EV),Hybrid Electric Vehicles(HEV)or Plug-in Hybrid Electric Vehicles(PHEV)are believed to be a promising substitute for current gas-propelled vehicles.Previous research studied the attributes of diff...Electric vehicles(EV),Hybrid Electric Vehicles(HEV)or Plug-in Hybrid Electric Vehicles(PHEV)are believed to be a promising substitute for current gas-propelled vehicles.Previous research studied the attributes of different types of EVs and confirmed their advantages.The feasibility of EVs has also been explored using simulation,retrospective survey data,or a limited size of field travel data.In this study,naturalistic driving data collected from more than 100 drivers during one year are used to explore naturalistic driver travel patterns.Typical travel distance and time and qualified dwell times(i.e.,the typical required EV battery recharging time between travels as based on most literature findings)are investigated in this study.The viability of electric cars is discussed from a pragmatic perspective.The results of this research show that 90 percent of single trips are less than 25 miles;approximately 70 percent of the average annual daily travel is less than 60 miles.On average there are 3.62 trips made between four-hour dwell times as aggregated to 60 minutes and 50 miles of travel.Therefore,majority of trips are within the travel range provided by most of the currently available EVs.A well-organized schedule of recharging will be capable of covering even more daily travels.展开更多
We study the existence and stability of monotone traveling wave solutions of Nicholson's blowflies equation with degenerate p-Laplacian diffusion.We prove the existence and nonexistence of non-decreasing smooth tr...We study the existence and stability of monotone traveling wave solutions of Nicholson's blowflies equation with degenerate p-Laplacian diffusion.We prove the existence and nonexistence of non-decreasing smooth traveling wave solutions by phase plane analysis methods.Moreover,we show the existence and regularity of an original solution via a compactness analysis.Finally,we prove the stability and exponential convergence rate of traveling waves by an approximated weighted energy method.展开更多
In the long river of human history,different kinds of peoples and nations experienced the civilization contact and cullural exchange,which had happened out of nothing,from the original touch to the mutual understandin...In the long river of human history,different kinds of peoples and nations experienced the civilization contact and cullural exchange,which had happened out of nothing,from the original touch to the mutual understanding.This paper reviews how a few western travelers,taking adventures and suffering hardships,came to China and reported the image of China in 13th century;moreover,great admiration is deserved to illustrate their efforts in spreading such a positive and glorious image of China as her true reputation throughout the world.展开更多
白巧克力!它即非是NBA的传奇球星杰森·威廉姆斯,也非可口的食品,这里它却被人用作金士顿(Kingston) Data Traveler Mini闪存盘(简称Mini)的爱称。Mini的造型上,不管是纯净的白色还是镶嵌其中淡蓝色,都能激起人们的无限“...白巧克力!它即非是NBA的传奇球星杰森·威廉姆斯,也非可口的食品,这里它却被人用作金士顿(Kingston) Data Traveler Mini闪存盘(简称Mini)的爱称。Mini的造型上,不管是纯净的白色还是镶嵌其中淡蓝色,都能激起人们的无限“食欲”。展开更多
文摘In this paper,a review was finished according to a novel-"The Time Traveler's Wife".It use time travel to explore miscommunication and distance in relationships.A lot of knowledge could be obtained from the passage.
文摘By contrast with Sartre's existentialism,The Time Traveler's Wife depicts another humanistic world.Moreover,such things as meaning,reason,compensation and peace are indispensable in this world.
基金conducted at University of Engineering and Technology Lahore with support of Department of Transportation Engineering and Management Department
文摘Traffic congestion has become a critical issue in developing countries,as it tends to increase social costs in terms of travel cost and time,energy consumption and environmental degradation.With limited resources,reducing travel demand by influencing individuals’ travel behavior can be a better long-term solution.To achieve this objective,alternate travel options need to be provided so that people can commute comfortably and economically.This study aims to identify key motives and constraints in the consideration of carpooling policy with the help of stated preference questionnaire survey that was conducted in Lahore City.The designed questionnaire includes respondents’ socioeconomic demographics,and intentions and stated preferences on carpooling policy.Factor analysis was conducted on travelers’ responses,and a structural model was developed for carpooling.Survey and modeling results reveal that social,environmental and economic benefits,disincentives on car use,preferential parking treatment for carpooling,and comfort and convenience attributes are significant determinants in promoting carpooling.However,people with strong belief in personal privacy,security,freedom in traveling and carpooling service constraints would have less potential to use thecarpooling service.In addition,pro-auto and pro-carpooling attitudes,marital status,profession and travel purpose for carpooling are also underlying factors.The findings implicate that to promote carpooling policy it is required to consider appropriate incentives on this service and disincentives on use of private vehicle along with modification of people’s attitudes and intentions.
文摘Having criticized the current architecture of Advanced Traveler Information Systems (ATISs), this work discusses a new base of requirements to develop a new paradigm for traffic information systems. It mainly integrates three dimensions within a traffic system: drivers' pattern of behavior and preferences, urban traffic desires, and capabilities of traffic information service providers. Based on the above, functional segments from several related backgrounds are brought together to structure a new architecture, called Interactive Traveler Information System (ITIS). The main interactive feature of this new architecture is a two-way communication track between drivers and the traffic information system provider-in fact, a decision on choosing a road at a particular time for an individual will be made based on the utility of both sides. This new configuration consists of driver-side smartphone application, centric traffic prediction, and decision-maker units, which will shape a new approach of decision-making processes. These all work together to satisfy the designated goal of ITIS, which is preserving the Wardrop equilibrium condition in the traffic network level. Finally, we concentrate on a comparison study, which shows a differentiation between performance of the proposed ITIS and the current ATIS model in a real situation. This has been done with simulations of analogical scenarios. The most noticeable advantage of the proposed architecture is not being limited to a saturation limit, and the positive effect of increasing system penetration in the performance of the newly introduced information system. In conclusion, new research subjects are suggested to be carried out.
文摘Rationale: Malaria and dengue are the most prevalent vector-borne diseases in tropical countries. Plasmodium parasite and dengue virus(DENV) concurrent infection is possible and often under-recognized in geographical areas where these infections are both endemic.Patients concern and diagnosis: We describe the first two cases of Plasmodium falciparum and DENV-3 co-infection in travelers returning to northeastern Italy from Burkina Faso during 2013-2014.Interventions: Malaria infection in both patients was treated with mefloquine. Due to the persistence of symptoms despite of the antimalaria treatment, dengue was also investigated;the treatment of dengue was symptomatic.Outcomes: The patients were discharged in good general condition.Lessons: The need for surveillance of potential malaria and dengue co-infection in travelers returning to Europe from endemic areas is highlighted, as infection with Plasmodium does not exclude arboviral co-infection.
文摘The Coronavirus Disease-2019 (COVID-19) outbreak has become a global health emergency owing to its magnitude, attributed deaths, and its propensity to spread across the world. In-fact, owing to its quick spread across international boundaries and the resulting caseload, the disease has been declared as a Public Health Emergency of International Concern on 30 January 2020. It is worth noting that out of the 395 cases detected in other nations, 165 (41.8%) have a positive history of travel to China. As of now, the World Health Organization has not recommended for any restrictions on the travel or trade aspects, but has clearly specified that implementation of International Health Regulations should be strictly done at the airports and seaports. In conclusion, the COVID-19 outbreak has created an alarm across the globe as the causative virus is novel in nature. However, strengthening of standard infection control practices and adoption of preventive measures for travelers can significantly minimize the threat of further transmission of the disease.
文摘Objective:Individuals travel locally and internationally in order to find alternative treatments which are less-toxic and more beneficial to their health and wellness.Despite the popularity of the western system of medicine,cupping therapies are gaining enormous attention in Pakistan as a system of traditional and complementary medicine to ensure the quality of life and wellness notions of the people.The present study aims to examine the effectiveness of dry cupping therapy(DCT)on the health,wellness,and quality of life preferences of health-seeking travelers in a sample of Faisalabad.Methods:DCT was performed for 15-20 minutes on subjects by using 3-5 disposable cupping glasses.Study participants filled the questionnaires before and after DCT interventions.Partial least square structural equation modeling technique is used in order to statistically analyze the data.Results:A total of 187 subjects participated in two DCT interventions at Coural Wellness Center Faisalabad and provided their final responses after 30 days from 2nd DCT.Respondents’perceptions of their physical feelings were generally found in a significantly positive and direct relation with DCT and health status(HS),i.e.,body pain(β=0.019),vitality(β=0.138),and bodily movement(β=0.207).This trend was observed in the psychological feelings of respondents as well,i.e.,emotional feelings(β=0.169).DCT significantly mediated the overall phenomenon and variance account for values were found between 20%and 80%for all the study constructs.The scores of all the health and wellness items on the questionnaire were significantly improved in 79.68%of studied participants after 1st and 2nd DCT interventions except for social functioning.Conclusion:Findings of the present study suggest that DCT has an important role in determining the health perceptions and HS of health travelers without potential side-effects.It can improve the health and overall quality of life of the people by positively influencing their physical and psychological health perceptions.It additionally leads to improve travelers’emotion,behavior,and other daily matters.
文摘Businesses and corporations today break geographical boundaries and carry out business globally[14].Business travel can be physically demanding and psychologically stressful,compromising the well-being of business travelers and the benefits of organizations.The present study examined how biopsychosocial factors,which are health concern,burnout,and social support,explained business travel stress among business travelers in Malaysia.We recruited 100 working adults(n=63 men,n=37 women)who traveled for business purposes from airports in Malaysia.Participants completed a series of questionnaires using the paper-and-pencil method.The mediation analyses showed that only burnout mediated the relationship between business travel and perceived stress.Specifically,the less intensely an individual traveled,s/he experienced a higher level of perceived stress;and this could be explained by the high level of burnout experienced.These findings have shed some light on how to deal with business travel stress at organizational and personal levels.Our findings suggested that organization-level interventions and policies should place an emphasis on employees who have to travel and in particular those who travel less intensively.Also,to provide support for business traveling employees,corporations should set up interventions and policies that aim to decrease burnout associated with business traveling.
基金Supported in part by a grant from the National Science Council Taipei,Taiwan(Grant No.NSC99-2314-B-760-001-MY2)
文摘A case of furuncular myiasis was reported for the first time in a 29-year-old young Taiwan Residents traveler returning from an ecotourism in Peru.Furuncle-like lesions were observed on the top of his head and he complained of crawling sensations within his scalp.The invasive larva of botfly,Dermatobia hominis,was extruded from the furuncular lesion of the patient.Awareness of cutaneous myiasis for clinicians should be considered for a patient who has a furuncular lesion and has recently returned from a botfly-endemic area.
基金Project(71801115)supported by the National Natural Science Foundation of ChinaProject(2021M691311)supported by the Postdoctoral Science Foundation of ChinaProject(111041000000180001210102)supported by the Central Public Interest Scientific Institution Basal Research Fund,China。
文摘To explore the influence of intelligent highways and advanced traveler information systems(ATIS)on path choice behavior,a day-to-day(DTD)traffic flow evolution model with information from intelligent highways and ATIS is proposed,whereby the network reliability and experiential learning theory are introduced into the decision process for the travelers’route choice.The intelligent highway serves all the travelers who drive on it,whereas ATIS serves vehicles equipped with information systems.Travelers who drive on intelligent highways or vehicles equipped with ATIS determine their trip routes based on real-time traffic information,whereas other travelers use both the road network conditions from the previous day and historical travel experience to choose a route.Both roadway capacity degradation and travel demand fluctuations are considered to demonstrate the uncertainties in the network.The theory of traffic network flow is developed to build a DTD model considering information from intelligent highway and ATIS.The fixed point theorem is adopted to investigate the equivalence,existence and stability of the proposed DTD model.Numerical examples illustrate that using a high confidence level and weight parameter for the traffic flow reduces the stability of the proposed model.The traffic flow reaches a steady state as travelers’routes shift with repetitive learning of road conditions.The proposed model can be used to formulate scientific traffic organization and diversion schemes during road expansion or reconstruction.
文摘This research investigates the characteristics of Thai to discern what their traveling behavior patterns. It indicated five different traveling patterns, which were named, "Physical action", "Conservation of nature", "Service expectation", "Intend to travel" and "Obedience of law and order". It revealed that their traveling patterns were physically passive, less environmentally aware and knowledgeable, service expected, multi-purpose and short trip, and moderate obedience of law and order. The relation of sociodemographic profile (gender, age, education and income) to their traveling patterns was analyzed using Chi-Square tests. Discriminant analysis was run as a way of examining the accuracy and usefulness of the ecotourist scorecard. Using the concept of a hard-to-soft ecotourist with discriminant analysis, 51.4% was soft ecotourist, 39.3% was medium ecotourist and 9.3% was hard ecotourist. Although not identified, it is likely that there are subgroups (0.3%) within the hard ecotourist with the higher scoring tourists being most active ecotourist. The findings showed that the majority of Thai people tend to be comfortable nature-based tourist with less environmentally aware and knowledgeable. In fact, it could be argued that tourists in natural environments, even if they try to minimize their impact, may cause more environmental damage than tourist on a city tour.
基金Sponsored by“Twelfth Five-year Plan”Program of Guangdong Provincial Philosophy and Social Sciences(GD15XLS07)Science and Technology Innovation Research Team Program of Zhaoqing University(2021)。
文摘Based on the travel texts of western travelers who came to Guangzhou in the 19;century, the travel situation of travelers in Guangzhou in the 19;century was deeply analyzed;Thirteen Hongs of Canton as the focus of the travel texts, and western travelers’ impressions of Guangzhou’s urban landscapes and water landscapes were described and discussed in detail;China’s national image in the eyes of Westerners was analyzed, and it was an objective reflection of the situation of the Qing Empire at that time.
文摘Electric vehicles(EV),Hybrid Electric Vehicles(HEV)or Plug-in Hybrid Electric Vehicles(PHEV)are believed to be a promising substitute for current gas-propelled vehicles.Previous research studied the attributes of different types of EVs and confirmed their advantages.The feasibility of EVs has also been explored using simulation,retrospective survey data,or a limited size of field travel data.In this study,naturalistic driving data collected from more than 100 drivers during one year are used to explore naturalistic driver travel patterns.Typical travel distance and time and qualified dwell times(i.e.,the typical required EV battery recharging time between travels as based on most literature findings)are investigated in this study.The viability of electric cars is discussed from a pragmatic perspective.The results of this research show that 90 percent of single trips are less than 25 miles;approximately 70 percent of the average annual daily travel is less than 60 miles.On average there are 3.62 trips made between four-hour dwell times as aggregated to 60 minutes and 50 miles of travel.Therefore,majority of trips are within the travel range provided by most of the currently available EVs.A well-organized schedule of recharging will be capable of covering even more daily travels.
基金partially supported by the NSFC(11971179,12371205)partially supported by the National Key R&D Program of China(2021YFA1002900)+1 种基金the Guangdong Province Basic and Applied Basic Research Fund(2021A1515010235)the Guangzhou City Basic and Applied Basic Research Fund(2024A04J6336)。
文摘We study the existence and stability of monotone traveling wave solutions of Nicholson's blowflies equation with degenerate p-Laplacian diffusion.We prove the existence and nonexistence of non-decreasing smooth traveling wave solutions by phase plane analysis methods.Moreover,we show the existence and regularity of an original solution via a compactness analysis.Finally,we prove the stability and exponential convergence rate of traveling waves by an approximated weighted energy method.
文摘In the long river of human history,different kinds of peoples and nations experienced the civilization contact and cullural exchange,which had happened out of nothing,from the original touch to the mutual understanding.This paper reviews how a few western travelers,taking adventures and suffering hardships,came to China and reported the image of China in 13th century;moreover,great admiration is deserved to illustrate their efforts in spreading such a positive and glorious image of China as her true reputation throughout the world.