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A comprehensive look at the psychoneuroimmunoendocrinology of spinal cord injury and its progression: mechanisms and clinical opportunities 被引量:1
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作者 Miguel A.Ortega Oscar Fraile-Martinez +9 位作者 Cielo García-Montero Sergio Haro Miguel Ángel Álvarez-Mon Diego De Leon-Oliva Ana M.Gomez-Lahoz Jorge Monserrat Mar Atienza-Pérez David Díaz Elisa Lopez-Dolado Melchor Álvarez-Mon 《Military Medical Research》 SCIE CAS CSCD 2024年第2期228-267,共40页
Spinal cord injury(SCI)is a devastating and disabling medical condition generally caused by a traumatic event(primary injury).This initial trauma is accompanied by a set of biological mechanisms directed to ameliorate... Spinal cord injury(SCI)is a devastating and disabling medical condition generally caused by a traumatic event(primary injury).This initial trauma is accompanied by a set of biological mechanisms directed to ameliorate neural damage but also exacerbate initial damage(secondary injury).The alterations that occur in the spinal cord have not only local but also systemic consequences and virtually all organs and tissues of the body incur important changes after SCI,explaining the progression and detrimental consequences related to this condition.Psychoneuroimmunoendocrinology(PNIE)is a growing area of research aiming to integrate and explore the interactions among the different systems that compose the human organism,considering the mind and the body as a whole.The initial traumatic event and the consequent neurological disruption trigger immune,endocrine,and multisystem dysfunction,which in turn affect the patient's psyche and well-being.In the present review,we will explore the most important local and systemic consequences of SCI from a PNIE perspective,defining the changes occurring in each system and how all these mechanisms are interconnected.Finally,potential clinical approaches derived from this knowledge will also be collectively presented with the aim to develop integrative therapies to maximize the clinical management of these patients. 展开更多
关键词 Spinal cord injury(SCI) Psychoneuroimmunoendocrinology(PNIE) Secondary injury Immunoinflammatory dysfunction Gut microbiota Translational opportunities
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Investigating and predicting the role of photovoltaic, wind, and hydrogen energies in sustainable global energy evolution
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作者 Mahmood Swadi Dheyaa Jasim Kadhim +3 位作者 Mohamed Salem Firas Mohammed Tuaimah Ammar SabriMajeed Ali Jawad Alrubaie 《Global Energy Interconnection》 EI CSCD 2024年第4期429-445,共17页
The global shift toward next-generation energy systems is propelled by the urgent need to combat climate change and the dwindling supply of fossil fuels.This review explores the intricate challenges and opportunities ... The global shift toward next-generation energy systems is propelled by the urgent need to combat climate change and the dwindling supply of fossil fuels.This review explores the intricate challenges and opportunities for transitioning to sustainable renewable energy sources such as solar,wind,and hydrogen.This transition economically challenges traditional energy sectors while fostering new industries,promoting job growth,and sustainable economic development.The transition to renewable energy demands social equity,ensuring universal access to affordable energy,and considering community impact.The environmental benefits include a significant reduction in greenhouse gas emissions and a lesser ecological footprint.This study highlights the rapid growth of the global wind power market,which is projected to increase from$112.23 billion in 2022 to$278.43 billion by 2030,with a compound annual growth rate of 13.67%.In addition,the demand for hydrogen is expected to increase,significantly impacting the market with potential cost reductions and making it a critical renewable energy source owing to its affordability and zero emissions.By 2028,renewables are predicted to account for 42%of global electricity generation,with significant contributions from wind and solar photovoltaic(PV)technology,particularly in China,the European Union,the United States,and India.These developments signify a global commitment to diversifying energy sources,reducing emissions,and moving toward cleaner and more sustainable energy solutions.This review offers stakeholders the insights required to smoothly transition to sustainable energy,setting the stage for a resilient future. 展开更多
关键词 Next energy Renewable energy SUSTAINABILITY Environmental benefits Economic opportunities
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Overview of the Third Global Forum
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作者 Andrew Yao Xia Yin +1 位作者 Jia Jia Guoliang Li 《计算机教育》 2024年第3期5-9,共5页
Computer science continues to grow at a rapid pace,raising the issue of how universities can best adapt to this trend.At the third Global Forum on the Development of Computer Science(GFDCS),five heads of departments o... Computer science continues to grow at a rapid pace,raising the issue of how universities can best adapt to this trend.At the third Global Forum on the Development of Computer Science(GFDCS),five heads of departments of computer science from Asia,Europe,and North America came together to exchange ideas under the theme Challenges and Opportunities of Computer Science in the New Era.Through the discussions,a number of new challenges were explored,including how to meet the growing demand for computer science education,how to manage increased teaching loads,how to foster collaboration between computer science and other disciplines,how to raise ethical awareness,and how to support new“transdisciplinary”modes of education and research.At the same time,there was a consensus on the need to strengthen the role of computer science in other departments,the importance of industrial collaboration,and the need for more scalable approaches to teaching.The evolving role of computer science within the context of broader science was also discussed. 展开更多
关键词 Global Forum on the Development of Computer Science Challenges and Opportunities of Computer Science TRANSDISCIPLINARY Computer Science education and research
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Realm of hepatitis E:Challenges and opportunities
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作者 Jia-Rui Li Ze Xiang +3 位作者 Shu-Hui Li Chen-Xi Li Hong Yan Jian Wu 《World Journal of Experimental Medicine》 2024年第2期1-4,共4页
Hepatitis E virus(HEV),responsible for widespread viral hepatitis,infects approximately 2.3 billion individuals globally,with a significant mortality burden in Asia.The virus,primarily transmitted through contaminated... Hepatitis E virus(HEV),responsible for widespread viral hepatitis,infects approximately 2.3 billion individuals globally,with a significant mortality burden in Asia.The virus,primarily transmitted through contaminated water and undercooked meat,is often underdiagnosed,particularly in immunocompromised patients.Current HEV treatments,while effective,are limited by adverse effects,necessitating research into safer alternatives.Moreover,HEV’s extrahepatic manifestations,impacting the nervous and renal systems,remain poorly understood.This study underscores the imperative for enhanced HEV research,improved diagnostic methods,and more effective treatments,coupled with increased public health awareness and preventive strategies. 展开更多
关键词 Hepatitis E TREATMENT Extrahepatic manifestations CHALLENGES OPPORTUNITIES
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2024巴黎国际大电网会议即将召开
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《China Standardization》 2024年第4期58-58,共1页
The biennial Session is held in Paris,France in even number years.It is the number one global power system event in the world,bringing together some 9,000 power industry participants from over 100 countries,including ... The biennial Session is held in Paris,France in even number years.It is the number one global power system event in the world,bringing together some 9,000 power industry participants from over 100 countries,including 3,600 international experts and other decision-makers.This is a unique week-long interactive opportunity.Over 160 working meetings,over 30 Study Committee sessions and 800+technical papers spanning the end-to-end power system. 展开更多
关键词 国际大电网会议 bringing opportunity
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Assessment of the Vaccination Status of Children Aged 6 to 30 Months in a Tertiary Level Health Care Center in Côte d’Ivoire
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作者 Yenan John Patrick Kpangni Jean Bertrand +4 位作者 Yao Kouassi Christian Yeboua Yao Kossonou Roland Aka-Tanoh Koko Aude Hélène Avi-Siallou Christelle Honorine Asse Kouadio Vincent 《Open Journal of Pediatrics》 2024年第3期536-546,共11页
Introduction: Vaccination coverage in Côte d’Ivoire over the period 2011 to 2015 was below the target of 95% for all antigens. The objective of this study was to analyze the vaccination status of children aged 6... Introduction: Vaccination coverage in Côte d’Ivoire over the period 2011 to 2015 was below the target of 95% for all antigens. The objective of this study was to analyze the vaccination status of children aged 6 to 30 months with a view to improving vaccination coverage. Patients and Methods: This was a descriptive cross-sectional study which took place from June to September 2018 in a tertiary health center, focusing on children aged 6 to 30 months with a correctly completed health record. The parameters studied were sex, age, educational level of mothers, dates of vaccine administration and reason for missed vaccination opportunities. Results: We retained 212 children. The sex ratio was 1.21 and 93% had received the BCG vaccine before the age of 1 month. The average ages of combined and co-administered vaccines for the 1st and 2nd doses were 7.66 ± 3.81 and 12.88 ± 3.95 weeks, respectively. The median was 16.57 weeks for the 3rd dose. The proportion of vaccinated subjects was greater than 90% for the BCG vaccine and the 3 doses of combined vaccines, and 77% for the yellow fever and measles vaccines. The reasons for non-vaccination were attributable to the children’s parents and health facilities. Conclusion: Improving vaccination coverage requires regular supply of vaccines to centers, and the involvement of all health professionals, community and religious leaders in the vaccination awareness process. 展开更多
关键词 CHILDREN Vaccination Coverage Missed Opportunities
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Research on the Impact and Opportunities of the Digital Economy Promoting the Development of Real Economy
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作者 Meichen Jin 《Proceedings of Business and Economic Studies》 2024年第2期126-131,共6页
The digital economy has infused vitality into the transformation and development of the real economy,urging enterprises to break through core technological barriers,address bottleneck issues,and improve their core com... The digital economy has infused vitality into the transformation and development of the real economy,urging enterprises to break through core technological barriers,address bottleneck issues,and improve their core competitiveness.It fosters the comprehensive digital transformation of agriculture,manufacturing,and service sectors,improving the dynamism of the real economy and fostering more consumption hotspots.Efforts are underway to enhance industrial supply chains and innovation chains,optimize regional resource allocation,and promote a virtuous cycle within the real economy.Initiatives are being undertaken to standardize the development of digital economic platforms,promote the high-quality development of regional economies,and leverage the advantages of the socialist market economy with Chinese characteristics. 展开更多
关键词 Digital economy Real economy INFLUENCE Development opportunity Development path
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Analysis of Technical Intelligence of Tumor Cell Therapy Based on Patent Map
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作者 Liu Yue Zeng Yingying +1 位作者 Li Xue Yuan Hongmei 《Asian Journal of Social Pharmacy》 2024年第2期191-201,共11页
Objective To analyze the technical information in the field of tumor cell therapy in China,and to provide reference for identifying technical trends and predicting technical opportunities.Methods Based on the patent d... Objective To analyze the technical information in the field of tumor cell therapy in China,and to provide reference for identifying technical trends and predicting technical opportunities.Methods Based on the patent data in the field of tumor cell therapy in China,the patent map method was used to construct a scientific technical information analysis model.Then,the technical status of new drug research and development in this field was explored to identify technical opportunities.Results and Conclusion Studies have found that China’s tumor immunotherapy is in the growth stage.The technical innovation regions are mainly distributed in the east and innovative entities are enterprises.Technology hotspots are concentrated in areas such as A61P35,C12N5,and the patented technical efficacy is high.Besides,the technical research and development opportunities identified are closely related to the background in this field.To better promote the development of the industry,enterprises and research institutions should strengthen cooperation in technological innovation Meanwhile,they should pay attention to technical efficacy analysis to identify more technical opportunities,thereby effectively guiding innovation strategic decisions. 展开更多
关键词 patent map tumor immunotherapy technical intelligence analysis technical opportunity
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A Polity That Works For People
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作者 BUSANI NGCAWENI 《ChinAfrica》 2024年第4期34-35,共2页
China’s Two Sessions that take place in March provide an opportunity for the world to observe the country’s unique democracy–the whole-process people’s democracy.It is a concept that is misunderstood and wrongly c... China’s Two Sessions that take place in March provide an opportunity for the world to observe the country’s unique democracy–the whole-process people’s democracy.It is a concept that is misunderstood and wrongly criticised by most Western politicians as it differs from the Western notion of democracy.As Zhang Weiwei,dean of the China Institute of Fudan University in Shanghai,said,China’s political system does not claim to be universal.Unlike Western democracy,it does not seek to impose itself on the rest of the world. 展开更多
关键词 itself opportunity POLITICAL
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The Opportunities,Dilemmas,and Paths for the Development of Adult Higher Education in the New Era
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作者 Yin Huang 《Journal of Contemporary Educational Research》 2024年第4期264-269,共6页
This paper comprehensively analyzes the development opportunities and realistic dilemmas faced by adult higher education in China in the new era,and puts forward corresponding strategies as solutions.With the construc... This paper comprehensively analyzes the development opportunities and realistic dilemmas faced by adult higher education in China in the new era,and puts forward corresponding strategies as solutions.With the construction of a learning society,the development of digital technology,and the popularization of the concept of lifelong learning,adult higher education has unprecedented development opportunities.At the same time,these forms of education are facing a series of dilemmas due to challenges such as unsound guarantee mechanisms and traditional enrollment competition.Through the establishment of perfect legal and policy guarantees,transformation of school running mode,meeting the diversified needs of learners,and other multi-faceted measures,the development of adult higher education can be effectively promoted to meet the needs of individual and social development. 展开更多
关键词 Adult higher education OPPORTUNITIES DILEMMAS PATHS
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Opportunities and Challenges of College Mental Health Education from the Perspective of Big Data
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作者 Xiaojian Cai 《Journal of Contemporary Educational Research》 2024年第4期193-198,共6页
This paper explores the opportunities and challenges of college mental health education from the perspective of big data.Firstly,through literature review,the importance of mental health education and the current issu... This paper explores the opportunities and challenges of college mental health education from the perspective of big data.Firstly,through literature review,the importance of mental health education and the current issues are elucidated.Then,from the perspective of big data,the potential opportunities of big data in college mental health education are analyzed,including data-driven personalized education,real-time monitoring and warning systems,and interdisciplinary research and collaboration.At the same time,the challenges faced by college mental health education under the perspective of big data are also pointed out,such as data privacy and security issues,insufficient data analysis and interpretation capabilities,and inadequate technical facilities and talent support.Lastly,the research content of this paper is summarized,and directions and suggestions for future research are proposed. 展开更多
关键词 Big data perspective College mental health education OPPORTUNITIES CHALLENGES Personalized education Real-time monitoring Interdisciplinary research
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Opportunities, Challenges, and Countermeasures of China Myanmar Economic and Trade Cooperation under the Background of RCEP
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作者 Chit Min Htut 《Open Journal of Applied Sciences》 2024年第4期991-1007,共17页
China and Myanmar are geographically adjacent and have close economic and trade cooperation. China has been Myanmar’s largest trading partner and largest source of investment for many consecutive years. With the offi... China and Myanmar are geographically adjacent and have close economic and trade cooperation. China has been Myanmar’s largest trading partner and largest source of investment for many consecutive years. With the official entry into force of RCEP (Regional Comprehensive Economic Partnership) for Myanmar on May 1, 2022, the reduction of trade tariffs on goods and flexible rules of origin between China and Myanmar will undoubtedly bring more practical results to China Myanmar economic and trade cooperation. However, the implementation of RCEP in Myanmar may face a series of challenges such as poor business environment, weak human resource management, and outdated infrastructure construction. Finally, the article provides countermeasures for China Myanmar economic and trade cooperation from three aspects: optimizing the business environment to attract Chinese investment, increasing investment in education and training to improve labor quality, strengthening infrastructure construction to enhance economic support. 展开更多
关键词 RCEP Myanmar Opportunities CHALLENGES COUNTERMEASURES
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Agricultural Land Use Responses to the Rising Labor Opportunity Cost in Sui County,China 被引量:4
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作者 Chen Yuqi 《Chinese Journal of Population,Resources and Environment》 2010年第4期10-18,共9页
Rising labor opportunity cost is one of the most important characteristics of farmers' economic environment in present China,and brings great agricultural land use changes correspondingly.Based on the stratified r... Rising labor opportunity cost is one of the most important characteristics of farmers' economic environment in present China,and brings great agricultural land use changes correspondingly.Based on the stratified random sample of rural households in Sui County,this paper estimates the opportunity cost of farm labors,and then analyzes its effect on farmers' agricultural land use decisions.The findings show that the households with higher labor opportunity cost are more likely to reduce labor intensity and increase labor-saving input in their land use decisions.From the descriptive analysis,we also find these households always prefer grain crop planting,reduce yield-raising input or even rent out their cultivated land.As labor and yield-raising input are two essential positive factors for grain production,continuous declining of labor input and yield-raising input caused by rising labor opportunity cost may influence the grain yield per unit area in the future. 展开更多
关键词 labor opportunity cost labor intensity capital intensity yield-raising input labor-saving input
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Agricultural opportunity costs assessment based on planting suitability:a case study in a mountain county in southwest China 被引量:3
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作者 liu ju fu bin +2 位作者 wang yu-kuan lu ya-feng xu pei 《Journal of Mountain Science》 SCIE CSCD 2017年第12期2568-2580,共13页
Payment for ecosystem services(PES) has become an increasingly popular means of ecosystem conservation. Opportunity cost is an important factor to increase the investment efficiency of PES projects.However, the distri... Payment for ecosystem services(PES) has become an increasingly popular means of ecosystem conservation. Opportunity cost is an important factor to increase the investment efficiency of PES projects.However, the distribution of opportunity cost is usually unclear in mountainous regions due to the obvious environment changes. In this study, we developed a framework to assess the distribution of agricultural opportunity costs in mountainous regions and applied this method to Baoxing County, a typical mountainous county in Sichuan Province of southwest China. Planting suitability of 17 crops was assessed based on agricultural statistics and natural conditions data within a GIS environment.Agricultural opportunity cost was quantified with a weighted summation of farmers' willingness to cultivate and each crop's opportunity cost. Finally,specific agricultural opportunity cost was obtained according to the spatial areas of the protection programs and land use status. The results showed that agricultural opportunity costs of PES in Baoxing County were estimated to be more than $30 million,with a mean of 400.85 $/ha. Agricultural opportunity costs in mountainous regions displayed some obvious spatial variation and areas with lower agricultural opportunity costs could be selected as priority areas for PES. Our findings revealed that the planting suitability evaluation can make agricultural opportunity costs mapping more reasonable. It will be helpful for the PES programs implementation in mountainous regions. 展开更多
关键词 opportunity cost Planting suitability Willingness to accept Ecosystem service Spatial variation Baoxing County
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Risk-opportunity analyses and production peak forecasting on world conventional oil and gas perspectives 被引量:1
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作者 Zhang Jian Sun Zandong +2 位作者 Zhang Yiwei Sun Youshun Nail Toksoz 《Petroleum Science》 SCIE CAS CSCD 2010年第1期136-146,共11页
To investigate the situation of conventional oil and gas, this paper examines the global oil and gas discoveries, proved reserves, production, consumption and price. All the influencing factors can be subjected to ris... To investigate the situation of conventional oil and gas, this paper examines the global oil and gas discoveries, proved reserves, production, consumption and price. All the influencing factors can be subjected to risk and opportunity analyses, so in the paper, we build upon a risk-opportunity analysis framework, which is a new train of thought. To forecast the peak time of oil and gas production, we used the methods of multi-Hubbert model forecasting and data forecasting. Our results showed that the world oil production will reach a peak between 2010 and 2015 and the gas production will reach a peak around 2030 Oil peak is coming and gas peak is on the way. The main purpose of forecasting oil and gas production peak is give people enough time for preparing mitigation and adaptation plans. This means taking decisive action well before the problem is obvious. 展开更多
关键词 PRODUCTION RESERVE RISK opportunity forecasting
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Analysis of Factors Influencing Farmers' Identification of Entrepreneurial Opportunity 被引量:2
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作者 Jing GAO Fang YANG 《Asian Agricultural Research》 2013年第6期112-117,121,共7页
Based on the survey data of entrepreneurship concerning farmers in China,this article uses the multivariate adjustment regression analysis method,to analyze the factors influencing farmers' identification of entre... Based on the survey data of entrepreneurship concerning farmers in China,this article uses the multivariate adjustment regression analysis method,to analyze the factors influencing farmers' identification of entrepreneurial opportunity and the mechanism. The results show that demographic characteristics are still an important factor influencing farmers' identification of entrepreneurial opportunity,but the extent of its influence is weaker than entrepreneurs' trait. The new trait theory is verified in farmers' entrepreneurship opportunity behavior; entrepreneurship environment is becoming an important factor influencing entrepreneurial opportunity identification,whose regulation effect on entrepreneurs' social network and previous experience is stronger than the regulation effect on entrepreneurs' psychological trait. 展开更多
关键词 Farmers’ ENTREPRENEURSHIP opportunity BEHAVIOR Inf
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Opportunity Costs of Emissions Caused by Land-Use Changes 被引量:2
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作者 S. Suyanto Andree Ekadinata +1 位作者 Muhammad Sofiyuddin Arif Rahmanullah 《Open Journal of Forestry》 2014年第1期85-90,共6页
Amid the euphoria of Reducing Emissions from Deforestation and Forest Degradation (REDD) and REDD+ discussions, the expectations of large financial gains raise the interest of all. A country, however, will only enjoy ... Amid the euphoria of Reducing Emissions from Deforestation and Forest Degradation (REDD) and REDD+ discussions, the expectations of large financial gains raise the interest of all. A country, however, will only enjoy REDD benefits if the cost of REDD is lower than the benefit. The opportunity cost analysis is an effective tool for assessing the feasibility of REDD+ since the largest portion of costs associated with REDD+ and can help to identify fair compensation for those who change their land use. The opportunity cost analysis has been exercised in Tanjung Jabung Barat (Tanjabar) district-Indonesia to examine the economic-feasibility of carbon emission reduction under different type carbon price scenarios. This study reveals a sharp decline of land-use systems with high carbon-stock and low profitability is obvious. On mineral soil, low carbon-stock and high profitability (mostly oil palm) has increased rapidly, especially in the period 2000-2009. It has become the dominant land-use system. The low-to-medium carbon stock and medium profitability land-use category increased from 1990 to 2005 but declined from 2005 to 2009. The low carbon-stock and low profitability category was constant and the proportion of the area was below 15%. The ex-ante analysis in predicting the potential for future emissions reduction in Tanjabar through REDD+ approaches shows that the cumulative emission of Tanjabar in 2020 is estimated at 61.91 Mg CO2-eq/Ha.Year, while the reduced emission by excluding all land use conversion below $5 threshold is estimated at 51.71 Mg CO2-eq/Ha.Year. This means that there is a potential for 16% emission reduction using $5/ton CO2-eq incentive. Another important finding in this study is that if the price of carbon increases by double to $10, the amount of reduced emission does not change much. This can use as a basis for determining the right amount of incentive for trade-off between economic profitability and climate change mitigation effort in Tanjabar using REDD+ scheme both at seller and buyer perspectives. 展开更多
关键词 opportunity COST LAND Use Change Carbon Emission REDDS
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Astroglial heterogeneity:merely a neurobiological question? Or an opportunity for neuroprotection and regeneration after brain injury? 被引量:2
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作者 Alberto Javier Ramos 《Neural Regeneration Research》 SCIE CAS CSCD 2016年第11期1739-1741,共3页
Pioneer studies by Ramon y Cajal in the early nineteenth century evidenced that astrocytes are a heterogeneous cell population. The initial division of the glial family proposed by Rudolf Albert von Kolliker and Willi... Pioneer studies by Ramon y Cajal in the early nineteenth century evidenced that astrocytes are a heterogeneous cell population. The initial division of the glial family proposed by Rudolf Albert von Kolliker and William Lloyd Andriezen that separated glia into two groups, fibrous glia and protoplasmic glia, was further refined by Ramon y Cajal, 展开更多
关键词 Or an opportunity for neuroprotection and regeneration after brain injury
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Oligodendroglioma: CD44 as a possible prognostic opportunity 被引量:8
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作者 Buccoliero AM Caldarella A +4 位作者 Arganini L Mennonna P Ammanati F Taddei A Taddei GL 《中国神经肿瘤杂志》 2003年第3期143-143,共1页
CD44, in its standard form as well in its isoforms, is a cell surface adhesion glycoprotein which occurs in a widevariety of non-neoplastic and neoplastic ceils. CD44 has been considered to be implicated in tumoral gr... CD44, in its standard form as well in its isoforms, is a cell surface adhesion glycoprotein which occurs in a widevariety of non-neoplastic and neoplastic ceils. CD44 has been considered to be implicated in tumoral growth andin metastatic potential. We studied the immunohistochemical expression of CD44 standard in 30 oligodendrogliomas(19 primary lesions and 11 recurrences) in order to verify its possible prognostic role. Twelve primary oligoden- 展开更多
关键词 CD44 as a possible prognostic opportunity OLIGODENDROGLIOMA were
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Estrogen rapid effects:a window of opportunity for the aging brain?
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作者 Ivanny Marchant Jana Stojanova +1 位作者 Lilian Acevedo Pablo Olivero 《Neural Regeneration Research》 SCIE CAS CSCD 2022年第8期1629-1632,共4页
Estrogen produces several beneficial effects in healthy neurological tissues and exhibits cardioprotective effects.Hormone therapy has been widely used to treat menopausal estrogen deficiency for more than 80 years.De... Estrogen produces several beneficial effects in healthy neurological tissues and exhibits cardioprotective effects.Hormone therapy has been widely used to treat menopausal estrogen deficiency for more than 80 years.Despite high initial expectations of cardioprotective effects,there has been substantial distrust following important randomized clinical trials,such as the Women’s Health Initiative.Subsequently,the timing of treatment in relation to the onset of menopause came under consideration and led to the proposal of the timing hypothesis,that early initial treatment is important,and benefits are lost as the timing since menopause becomes prolonged.Subsequent analyses of the Women’s Health Initiative data,together with more recent data from randomized and observational trials,consistently show reductions in coronary heart disease and mortality in younger menopausal women.Regarding cognitive function,the timing hypothesis is consistent with observations from basic and animal studies.There is some clinical evidence to support the benefits of hormonal therapy in this context,though skepticism remains due to the paucity of clinical trials of substantial length in younger menopausal women.It is likely that the effects of estrogens on cognitive performance are due to rapid mechanisms,including mechanisms that influence Ca2+homeostasis dynamics,provide protection in a hostile environment and reduce inflammatory signals from neural tissues.In the future,inflammatory profiles accounting for early signs of pathological inflammation might help identify the‘window of opportunity’to use estrogen therapy for successful cognitive protection. 展开更多
关键词 AGING cardiovascular prevention cognitive function ESTROGEN hormone treatment INFLAMMAGING rapid effects timing hypothesis TRPV1 window of opportunity
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