Lei Ma
Datos Biográficos
| ID | 4022103 |
|---|---|
| NOMBRE | Lei Ma |
| NOMBRES | Lei |
| APELLIDO | Ma |
| FIRMA | MA L |
| AFILIACIONES | University of Maryland, College Park |
| ORCID | 0000-0003-4268-0596 |
| VERIFICADO | Sí |
| TOTAL DE OBRAS | 48 |
| TOTAL DE CITAS | 6 |
| TOTAL COMO AUTOR | 48 |
| TOTAL COMO EDITOR | 0 |
| PRIMER AÑO DE PUBLICACIÓN | 2015 |
| AÑO MÁS RECIENTE DE PUBLICACIÓN | 2026 |
| ÍNDICE H | 1 |
The effect of sport event brand perception on revisit intention
Background In the increasingly competitive sport event market, brand perception has emerged as a key factor influencing individuals’ behavioral intentions. However, the internal mechanism through which sport event brand perception affects revisit intention remains insufficiently understood, particularly with regard to the roles of experiential satisfaction and emotional connection. Methods This study examined how sport event brand perception infl…
The relationship between nurse managers' empowering behaviors and nurses' work engagement
Aims To explore the latent profiles of nurse managers' empowering behaviors in Chinese tertiary general hospitals and to analyze differences in nurse work engagement across these profiles, providing evidence for targeted nursing management interventions. Design A cross-sectional study. Methods Participants were 447 clinical nurses recruited from three hospitals in Shandong Province, China. Data were collected using a demographic questionnaire, th…
How does environmental regulation promote firm performance? Evidence from Chinese environmentally friendly firms
This study focuses on the impact of environmental regulations on the financial performance of environmentally friendly firms and the mechanisms involved. Environmentally friendly firms are increasingly profitable, as they reduce emissions and promote sustainable practices. Stricter regulations can enhance their competitiveness and drive demand in the environmental protection sector. However, the literature has overlooked the unique advantages tha…
Sanda training for youth athletes
Background: Sanda is a dynamic and practical Chinese martial art that was developed as a modern combat sport in the late twentieth century by the Chinese People's Liberation Army, drawing on traditional kung fu and contemporary close-combat methods. Sanda emphasizes a combination of full-contact punching, kicking, throwing, and clinch-control techniques, making it distinct from many other striking-based martial arts. Objectives: This review exami…
Offline and online social networking and life satisfaction among older adults in China
China’s rapid population aging raises important challenges for understanding how social relationships shape well-being in later life. While both offline social networking and online communication have been linked to life satisfaction, existing studies rely largely on cross-sectional data and rarely examine how these two forms of social engagement jointly shape well-being. Using three waves of the Chinese Longitudinal Aging Social Survey (CLASS, 2…
Strategy of Government, Industrial Internet Platform and SMEs in Regional Industrial Internet Ecosystem
The regional industrial Internet ecosystem plays a crucial role in enhancing the regional economic competitiveness. This study examines the co-evolution among the government, industrial Internet platforms, and SMEs within China’s regional industrial Internet ecosystem. Employing a tripartite evolutionary game model, the research examines the functions of government subsidies and value co-creation. Findings indicate that government strategy is sha…
Pronounced inter-model uncertainties in TRENDY-simulated terrestrial carbon sink responses to hydroclimatic extremes
Hydroclimatic extremes are critical regulators of terrestrial carbon sink dynamics, yet their representation in terrestrial biosphere models remains highly uncertain. Here, we assessed uncertainties in Trends in Net Land-Atmosphere Exchange (TRENDY) v12 model simulations of carbon sink responses to hydroclimatic extremes during 1980–2022 by systematically comparing model outputs across regions, event types, and biomes. Site-level evaluations reve…
Ecological-health risks and priority control factors in acid mine drainage-impacted mining regions
The Psychology of Problem Finding
Effects of literature circles activity on reading comprehension of L2 English learners
Literature circles have increasingly been utilized to enhance reading comprehension skills of second language (L2) English learners, yet the overall impact of this pedagogical approach remains unclear. This meta-analysis sought to evaluate the efficacy of literature circles (LCs) on L2 learners’ reading comprehension and identify potential mediating factors. Drawing from a systematic analysis of 15 sample studies, the findings demonstrated a subs…
Knowledge Mapping of Geography Examinations in Chinese National Entrance Examination to Universities
Reforms in the Chinese National Entrance Examination to Universities (CNEEU) and curriculum standards have significantly influenced national education. This study investigates the evolutionary stages, research trends, and emerging topics in the study of geography examinations for the CNEEU, commonly known as the Gaokao in China. Utilizing CiteSpace software, we analyzed academic journal articles indexed in the China National Knowledge Infrastruct…
Municipal education levels and citizen political participation
Three‐Dimensional Digital Guide Plate‐Based Fenestration Decompression With Sustained Plug in the Treatment of Jaw Cyst in Children
Jaw cyst is a common bone cyst affecting the jaw. Clinically, fenestration decompression is the first choice for treating jaw cysts in children, but traditional strategy still has limitations in positioning accuracy, potential trauma, adherence, etc. This study designed an improved strategy, three‐dimensional digital guide plate‐based fenestration decompression with sustained plug for the treatment of jaw cyst in an 8‐year‐old boy. After the surg…
Fusing multi-modal data for comprehensive quality evaluation of urban ecological space at grid scale
Climate constrains the enhancement of CO 2 fertilization on forest gross primary productivity
Forest gross primary production (GPP) is influenced by the interplay between climate conditions and atmospheric CO 2 levels, which interact in complex ways, generating both compensating and amplifying effects. In this study, eddy covariance flux measurements from 50 forest ecosystems were integrated with simulations from 14 terrestrial biosphere models to investigate how climate conditions and atmospheric CO 2 concentrations regulate forest GPP. …
The impact of marital status on hypertension
Results confirm a close association between marital status and hypertension in women, with factors like age and economic status potentially influencing this relationship. This underscores the need for further research to explore the intricate connections between marriage and blood pressure. The study advocates for medical institutions and communities to offer psychological health support to those undergoing marital difficulties and stresses the s…
Exploring the potential active components and mechanisms of Tetrastigma hemsleyanum against ulcerative colitis based on network pharmacology in LPS-induced RAW264.7 cells
The results demonstrate that TH_E and isorhamnetin alleviate LPS-induced UC through restraining ferroptosis. Moreover, isorhamnetin's anti-UC properties are mediated by inhibiting ferroptosis via activation of the Keap1/Nrf2/HO-1 axis
Simple agents – complex emergent path systems
In well-planned open and semi-open urban areas, it is common to observe desire paths on the ground, which shows how pedestrians themselves enhance the walkability and affordance of road systems. To better understand how these paths are formed, we present an agent-based modelling approach that simulates real pedestrian movement to generate complex path systems. By using heterogeneous ground affordance and visit frequency of hotspots as environment…
Beyond MRV
Members of the U.S. Climate Alliance, a coalition of 24 states committed to achieving the emissions reductions outlined in the 2015 Paris Agreement, are considering policy options for inclusion of forest carbon in climate mitigation plans. These initiatives are generally limited by a lack of relevant data on forest carbon stocks and fluxes past-to-future. Previously, we developed a new forest carbon modeling system that combined high-resolution r…
Global Carbon Budget 2023
Accurate assessment of anthropogenic carbon dioxide (CO2) emissions and their redistribution among the atmosphere, ocean, and terrestrial biosphere in a changing climate is critical to better understand the global carbon cycle, support the development of climate policies, and project future climate change. Here we describe and synthesize data sets and methodology to quantify the five major components of the global carbon budget and their uncertai…
Open innovation and multi-homing of delivery platforms
This study aims to answer the following research question: What is the difference in the open innovation and multi-homing of the smart delivery industry among Cardiff, Daegu, and Nanjing according to the maturity of the restaurant industry of the capitalist economies they belong to?By comparing open innovation and multi-homing of delivery platforms of the three cities representing different alongside the maturity of the restaurant industry in cap…
Open innovation dynamics and evolution in the mobile payment industry – comparative analysis among Daegu, Cardiff, and Nanjing
The understanding of smart payment industry in the financialization under digital transformation will be the clue to capture the future directions and dynamics of modern capitalism economy. Is there any differences in smart payment industry according to capitalist economy condition among Daegu, Cardiff, and Nanjing ? By answering to this research question through comparative analysis of 3 regions based on qualitative interview method, this study …
Investigating urban heat-related health risks based on local climate zones
Cultivating Regional Innovation Ecosystems in the Digital Age
This paper explores the cultivation paths of innovation ecosystems in the digital age by constructing a theoretical framework consisting of innovators, elements of innovation, platforms and digital governance. Four cities in China, Shenzhen, Hangzhou, Xuzhou and Weifang, were selected for in-depth case studies. Findings revealed that: (1) regions with ‘head enterprises’ and a strong industrial base achieve a competitive advantage via the synergy …
Changing cropland in changing climates
Climate change is impacting global crop productivity, and agricultural land suitability is predicted to significantly shift in the future. Responses to changing conditions and increasing yield variability can range from altered management strategies to outright land use conversions that may have significant environmental and socioeconomic ramifications. However, the extent to which agricultural land use changes in response to variations in climat…
Concordance and Discordance of Self-Rated and Researcher-Measured Successful Aging
Researcher-defined successful aging and self-rated successful aging are different measures with distinct social correlates. Subtypes of concordance and discordance provide a more holistic biopsychosocial conceptualization of successful aging
Property rights and the formation of interfirm networks
Interfirm networks are one of the core modes of corporate governance. However, its formation mechanism is not clearly and adequately delineated. This article highlights the significance of property rights to the formation mechanism of interfirm networks. Using interlocking directorate data from Chinese listed companies during the years 2000–2010, we investigate the association between ownership and network formation, at both the individual attrib…
Effects on sediments following water–sediment regulations in the Lixia River watershed, China
Concordance and Discordance of Self-Rated and Researcher-Measured Successful Aging
Researcher-defined successful aging and self-rated successful aging are different measures with distinct social correlates. Subtypes of concordance and discordance provide a more holistic biopsychosocial conceptualization of successful aging
The essential and the derivative moods of Aristotelian syllogism
It is generally accepted that it is a mistake that Aristotle ignore the moods of the fourth figure in his syllogism. In this paper, I shall argue the Aristotelian syllogism consisting of the essential moods and their derivative moods is complete or self-contained, all the moods of the fourth figure can be derived from the essential moods. The analysis table provided in the paper will contribute to showing the procedure from the essential moods to…
Property rights and the formation of interfirm networks
Interfirm networks are one of the core modes of corporate governance. However, its formation mechanism is not clearly and adequately delineated. This article highlights the significance of property rights to the formation mechanism of interfirm networks. Using interlocking directorate data from Chinese listed companies during the years 2000–2010, we investigate the association between ownership and network formation, at both the individual attrib…
Exploring the Innovation System of the Animation Industry
In the past 10 years, the animation industry has developed rapidly due to new technology and market expansion. Leading firms such as Disney are continuously seeking strategies to expand business towards products and service innovation, whereas Pixar and DreamWorks focus mainly on technology management. Driven by market and government policy, there is a blooming of the animation industry in China. However, most Chinese companies, in shortage of kn…
Impact of Team Leadership Habitual Domains on Ambidextrous Innovation
We studied the formation of leaders' habitual behaviors and the impact of leaders' existing and potential capabilities on ambidextrous (i.e., exploitative and exploratory) innovation activities. Leadership habitual domain (LHD) theory was applied from an endogenous perspective to analyze the impact mechanism of LHD on ambidextrous innovation via the mediating role of dynamic capabilities. We used structural equation modeling to test data collecte…
A Conception of Establishing Human Life Information Database
The Impact of Local Government Policy on Innovation Ecosystem in Knowledge Resource Scarce Region
With business today relying increasingly more on collaboration, new product development is also on a network base. The concept of innovation ecosystem is built upon knowledge creating and sharing across companies, knowledge institutions, policy regimes, business enterprises and industry boundaries. China as the largest emerging market has witnessed innovation with interaction among government, university, industry and research. Though government …
Beyond MRV
Forests are important ecosystems that are under increasing pressure from human use and environmental change, and have a significant ability to remove carbon dioxide from the atmosphere, and are therefore the focus of policy efforts aimed at reducing deforestation and degradation as well as increasing afforestation and reforestation for climate mitigation. Critical to these efforts is the accurate monitoring, reporting and verification of current …
Decisions of the Dual-Channel Supply Chain under Double Policy Considering Remanufacturing
Considering the preference of green consumers for remanufactured products, a dual-sale-channel supply chain model with government non-intervention, government remanufacturing subsidy policy, and carbon tax policy is constructed, respectively. The difference of the optimal decision between the firm and the government under the two policies is discussed in this paper. Meanwhile, we analyze the influence of green consumers on the government's optima…
Harmonization of global land use change and management for the period 850–2100 (LUH2) for CMIP6
Human land use activities have resulted in large changes to the biogeochemical and biophysical properties of the Earth's surface, with consequences for climate and other ecosystem services. In the future, land use activities are likely to expand and/or intensify further to meet growing demands for food, fiber, and energy. As part of the World Climate Research Program Coupled Model Intercomparison Project (CMIP6), the international community has d…
High-resolution forest carbon mapping for climate mitigation baselines over the RGGI region, USA
Large-scale airborne lidar data collections can be used to generate high-resolution forest aboveground biomass maps at the state level and beyond as demonstrated in early phases of NASA’s Carbon Monitoring System program. While products like aboveground biomass maps derived from these leaf-off lidar datasets each can meet state- or substate-level measurement requirements individually, combining them over multiple jurisdictions does not guarantee …
Tibetan medicine Ru-yi-Zhen-bao Pills exhibits anti-migraine effect through mediating PAG anti-nociceptive channel
Elevated CO2 negates O3 impacts on terrestrial carbon and nitrogen cycles
Increasing tropospheric concentrations of ozone (e[O$_{3}$]) and carbon dioxide (e[CO$_{2}$]) profoundly perturb terrestrial ecosystem functions through carbon and nitrogen cycles, affecting beneficial services such as their capacity to combat climate change and provide food. However, the interactive effects of e[O$_{3}$] and e[CO$_{2}$] on these functions and services remain unclear. Here, we synthesize the results of 810 studies (9,109 observat…
High-resolution forest carbon modelling for climate mitigation planning over the RGGI region, USA
The inclusion of forest carbon in climate change mitigation planning requires the development of models able to project potential future carbon stocks—a step beyond traditional monitoring, reporting and verification frameworks. Here, we updated and expanded a high-resolution forest carbon modelling approach previously developed for the state of Maryland to 11 states in the Regional Greenhouse Gas Initiative (RGGI) domain, which includes Connectic…
Geospatial assessment of the economic opportunity for reforestation in Maryland, USA
Afforestation and reforestation have the potential to provide effective climate mitigation through forest carbon sequestration. Strategic reforestation activities, which account for both carbon sequestration potential (CSP) and economic opportunity, can provide attractive options for policymakers who must manage competing social and environmental goals. In particular, forest carbon pricing can incentivize reforestation on private land, but this m…
Context and future directions for integrating forest carbon into sub-national climate mitigation planning in the RGGI region of the U.S
International frameworks for climate mitigation that build from national actions have been developed under the United National Framework Convention on Climate Change and advanced most recently through the Paris Climate Agreement. In parallel, sub-national actors have set greenhouse gas (GHG) reduction goals and developed corresponding climate mitigation plans. Within the U.S., multi-state coalitions have formed to facilitate coordination of relat…
Patch-Based Local Climate Zones Mapping and Population Distribution Pattern in Provincial Capital Cities of China
Accurate urban morphology provided by Local Climate Zones (LCZ), a universal surface classification scheme, offers opportunities for studies of urban heat risk, urban ventilation, and transport planning. In recent years, researchers have attempted to generate LCZ maps worldwide with the World Urban Database and Access Portal Tools (WUDAPT). However, the accuracy of LCZ mapping is not satisfactory and cannot fulfill the quality demands of practica…
Socio-Ecological Vulnerability in Aba Prefecture, Western Sichuan Plateau
With the social and economic development in recent years, human activities have been more extensive and intensified. As a result, ecosystems are damaged to varying degrees, and regional ecological environments tend to be weaker. The socio-ecological system in Aba Prefecture, Western Sichuan Plateau, China, the researched area, also faces increasingly serious problems. To advance ecological civilization development in a coordinated way across the …
A New Graph-Based Fractality Index to Characterize Complexity of Urban Form
Examining the complexity of urban form may help to understand human behavior in urban spaces, thereby improving the conditions for sustainable design of future cities. Metrics, such as fractal dimension, ht-index, and cumulative rate of growth (CRG) index have been proposed to measure this complexity. However, as these indicators are statistical rather than spatial, they result in an inability to characterize the spatial complexity of urban forms…
Structuring and Operating Patent Intermediary as Platform Ecosystem
Alongside Patent Super Aggregators represented by Intellectual Ventures in the United States, there is a trend to construct patent intermediary in the context of platform ecosystem. Accordingly, patent operation platforms (POPs) have emerged recently in China, yet few studies focus on uncovering their structures and operating mechanisms. This article aims to explore them based on two in-depth case studies with the application of a four-dimensiona…
County-level estimates of excess mortality associated with Covid-19 in the United States
The COVID-19 pandemic in the U.S. has been largely monitored using death certificates containing reference to COVID-19. However, prior analyses reveal that a significant percentage of excess deaths associated with the pandemic were not directly assigned to COVID-19. In this study, we estimated a generalized linear model of expected mortality based on historical trends in deaths by county of residence between 2011 and 2019. We used the results of …
Global Carbon Budget 2023
Accurate assessment of anthropogenic carbon dioxide (CO2) emissions and their redistribution among the atmosphere, ocean, and terrestrial biosphere in a changing climate is critical to better understand the global carbon cycle, support the development of climate policies, and project future climate change. Here we describe and synthesize data sets and methodology to quantify the five major components of the global carbon budget and their uncertai…
Open innovation and multi-homing of delivery platforms
This study aims to answer the following research question: What is the difference in the open innovation and multi-homing of the smart delivery industry among Cardiff, Daegu, and Nanjing according to the maturity of the restaurant industry of the capitalist economies they belong to?By comparing open innovation and multi-homing of delivery platforms of the three cities representing different alongside the maturity of the restaurant industry in cap…
Open innovation dynamics and evolution in the mobile payment industry – comparative analysis among Daegu, Cardiff, and Nanjing
The understanding of smart payment industry in the financialization under digital transformation will be the clue to capture the future directions and dynamics of modern capitalism economy. Is there any differences in smart payment industry according to capitalist economy condition among Daegu, Cardiff, and Nanjing ? By answering to this research question through comparative analysis of 3 regions based on qualitative interview method, this study …
Geography (17 obras) · Computer Science (15 obras) · Environmental Science (15 obras) · Ecology (14 obras) · Business (13 obras) · China (12 obras) · Climate change (10 obras) · Economics (10 obras) · Ecosystem (10 obras) · Political science (9 obras)