Global Trend of Low-carbon Economy and China's Responses

Based on the analysis on the global economic crisis,climate change crisis and their mutual underlying reasons,the authors believe that low-carbon economy has become an inevitable choice to break through the dual crises,coordinate the economic development,and protect the global climate.The global trend of low-carbon economy finds expression in Green Recovery currently,while,in a long run,it will give rise to a new pattern of world competition in politics,economy,technology,trade and finance.The impact of the global trend of low-carbon economy on China can not be overlooked,and it is both a challenge and an opportunity for China＇s future development.Based on comparative studies on the low-carbon economy of China,the U.S.,EU and Japan,the authors conclude that China should blaze a new path of lowcarbon economy development with Chinese characteristics,and the authors have put forward relevant countermeasures for China to address the global trend of low-carbon economy from angles of countries,enterprises and the public

Bibliometric analysis of hotspots and trends of global myopia research

AIM:To gain insights into the global research hotspots and trends of myopia.METHODS:Articles were downloaded from January 1,2013 to December 31,2022 from the Science Core Database website and were mainly statistically analyzed by bibliometrics software.RESULTS:A total of 444 institutions in 87 countries published 4124 articles.Between 2013 and 2022,China had the highest number of publications(n=1865)and the highest H-index(61).Sun Yat-sen University had the highest number of publications(n=229)and the highest H-index(33).Ophthalmology is the main category in related journals.Citations from 2020 to 2022 highlight keywords of options and reference,child health(pediatrics),myopic traction mechanism,public health,and machine learning,which represent research frontiers.CONCLUSION:Myopia has become a hot research field.China and Chinese institutions have the strongest academic influence in the field from 2013 to 2022.The main driver of myopic research is still medical or ophthalmologists.This study highlights the importance of public health in addressing the global rise in myopia,especially its impact on children’s health.At present,a unified theoretical system is still needed.Accurate surgical and therapeutic solutions must be proposed for people with different characteristics to manage and intervene refractive errors.In addition,the benefits of artificial intelligence(AI)models are also reflected in disease monitoring and prediction.

Unveiling Global Human Trafficking Trends: A Comprehensive Analysis

This paper presents a comprehensive analysis of global human trafficking trends over a twenty-year period, leveraging a robust dataset from the Counter Trafficking Data Collaborative (CTDC). The study unfolds in a systematic manner, beginning with a detailed data collection phase, where ethical and legal standards for data usage and privacy are strictly observed. Following collection, the data undergoes a rigorous preprocessing stage, involving cleaning, integration, transformation, and normalization to ensure accuracy and consistency for analysis. The analytical phase employs time-series analysis to delineate historical trends and utilizes predictive modeling to forecast future trajectories of human trafficking using the advanced analytical capabilities of Power BI. A comparative analysis across regions—Africa, the Americas, Asia, and Europe—is conducted to identify and visualize the distribution of human trafficking, dissecting the data by victim demographics, types of exploitation, and duration of victimization. The findings of this study not only offer a descriptive and predictive outlook on trafficking patterns but also provide insights into the regional nuances that influence these trends. The article underscores the prevalence and persistence of human trafficking, identifies factors contributing to its evolution, and discusses the implications for policy and law enforcement. By integrating a methodological approach with quantitative analysis, this research contributes to the strategic planning and resource allocation for combating human trafficking. It highlights the necessity for continued research and international cooperation to effectively address and mitigate this global issue. The implications of this research are significant, offering actionable insights for policymakers, law enforcement, and advocates in the ongoing battle against human trafficking.

Human brain organoid:trends,evolution,and remaining challenges

Advanced brain organoids provide promising platforms for deciphering the cellular and molecular processes of human neural development and diseases.Although various studies and reviews have described developments and advancements in brain organoids,few studies have comprehensively summarized and analyzed the global trends in this area of neuroscience.To identify and further facilitate the development of cerebral organoids,we utilized bibliometrics and visualization methods to analyze the global trends and evolution of brain organoids in the last 10 years.First,annual publications,countries/regions,organizations,journals,authors,co-citations,and keywords relating to brain organoids were identified.The hotspots in this field were also systematically identified.Subsequently,current applications for brain organoids in neuroscience,including human neural development,neural disorders,infectious diseases,regenerative medicine,drug discovery,and toxicity assessment studies,are comprehensively discussed.Towards that end,several considerations regarding the current challenges in brain organoid research and future strategies to advance neuroscience will be presented to further promote their application in neurological research.

Systematic bibliometric analysis of research hotspots and trends on the application of premium IOLs in the past 2 decades

AIM:To analysis of research hotspots and trends on the application of premium intraocular lens(PIOLs)in the past 2 decades.METHODS:The literature search was performed on the Web of Science and included PIOLs studies published between January 2000 and December 2022.The retrieved literature was collated and analyzed by R-tool’s Bibliometrix package,CitNetExplorer,CiteSpace and other software.RESULTS:A total of 1801 articles about PIOLs were obtained,most of which were published in Spain and the United States.The organization that published the most articles was the University of Valencia in Spain.Alió JL,and Montés-Micó R,from Spain were the most influential authors in this field.The Journal of Cataract and Refractive Surgery and Journal of Refractive Surgery were the core journals for this field;the top 10 cited articles mainly focus on postoperative satisfaction with multifocal intraocular lens(IOLs)and postoperative results of toric IOLs.Through the keyword analysis,we found that trifocal IOLs,astigmatism and extended depth of focus(EDoF)IOLs are the most discussed topics at present,and the importance of astigmatism and the clinical application of the new generation of PIOLs are the emerging research trends.CONCLUSION:Bibliometric analysis can effectively help to identify multilevel concerns in PIOLs research and the prevailing research trends in the realm of PIOLs encompass the adoption of EDoF IOLs,trifocal IOLs,and their respective Toric models.

Global trends in water and sediment fluxes of the world’s large rivers

Water and sediment transport from rivers to oceans is of primary importance in global geochemical cycle.Against the background of global change,this study examines the changes in water and sediment fluxes and their drivers for 4307 large rivers worldwide(basin area!1000 km2)based on the longest available records.Here we find that 24%of the world’s large rivers experienced significant changes in water flux and 40%in sediment flux,most notably declining trends in water and sediment fluxes in Asia’s large rivers and an increasing trend in suspended sediment concentrations in the Amazon River.In particular,nine binary patterns of changes in water-sediment fluxes are interpreted in terms of climate change and human impacts.The change of precipitation is found significantly correlated to the change of water flux in 71%of the world’s large rivers,while dam operation and irrigation rather control the change of sediment flux in intensively managed catchments.Globally,the annual water flux from rivers to sea of the recent years remained stable compared with the long-time average annual value,while the sediment flux has decreased by 20.8%.

Analyzing global trends of different cloud types and their potential impacts on climate by using the ISCCP D2 dataset

The International Satellite Cloud Climatology Project (ISCCP) D2 dataset is used to study the global dis- tribution of low, middle and high cloud amounts and their trends of 1983—2001. Evidences have shown that global warming has accelerated over the past 20 a and the 1990s was the warmest decade in the instrumental records since 1861. Trends of various clouds amounts over this period are analyzed by employing the linear regression method. The results show that global mean total cloud amounts, in general, have tended to reduce over the past 20 a. But there are slightly increasing by about 2% before 1987 and decreasing by about 4% since then. Cloudiness trends of both low and high clouds decrease while increase for the middle cloud. And there exist remarkable discrepancies in different regions. The preliminary analyses suggest that it is likely that the cloud change occurring over the past 20 a is a positive feed- back to global warming.

Trends of Temperature Extremes in China and their Relationship with Global Temperature Anomalies

Changes of temperature extremes over China were evaluated using daily maximum and minimum temperature data from 591 stations for the period 1961-2002. A set of indices of warm extremes, cold extremes and daily temperature range （DTR） extremes was studied with a focus on trends. The results showed that the frequency of warm extremes （F WE） increased obviously in most parts of China, and the intensity of warm extremes （I WE） increased significantly in northern China. The opposite distribution was found in the frequency and intensity of cold extremes. The frequency of high DTR extremes was relatively uniform with that of intensity： an obvious increasing trend was located over western China and the east coast, while significant decreases occurred in central, southeastern and northeastern China; the opposite distribution was found for low DTR extreme days. Seasonal trends illustrated that both F WE and I WE showed signifi- cant increasing trends, especially over northeastern China and along the Yangtze Valley basin in spring and winter. A correlation technique was used to link extreme temperature anomalies over China with global temperature anomalies. Three key regions were identified, as follows： northeastern China and its coastal areas, the high-latitude regions above 40~0N, and southwestern China and the equatorial eastern Pacific.

Analysis of the trend of global power sources based on comment emotion mining

In recent years,renewable energy technologies have been developed vigorously,and related supporting policies have been issued.The developmental trend of different energy sources directly affects the future developmental pattern of the energy and power industry.Energy trend research can be quantified through data statistics and model calculations;however,parameter settings and optimization are difficult,and the analysis results sometimes do not reflect objective reality.This paper proposes an energy and power information analysis method based on emotion mining.This method collects energy commentary news and literature reports from many authoritative media around the world and builds a convolutional neural network model and a text analysis model for topic classification and positive/negative emotion evaluation,which helps obtain text evaluation matrixes for all collected texts.Finally,a long-short-term memory model algorithm is employed to predict the future development prospects and market trends for various types of energy based on the analyzed emotions in different time spans.Experimental results indicate that energy trend analysis based on this method is consistent with the real scenario,has good applicability,and can provide a useful reference for the development of energy and power resources and of other industry areas as well.

HAC-Robust Measurement of the Duration of a Trendless Subsample in a Global Climate Time Series

The IPCC has drawn attention to an apparent leveling-off of globally-averaged temperatures over the past 15 years or so. Measuring the duration of the hiatus has implications for determining if the underlying trend has changed, and for evaluating climate models. Here, I propose a method for estimating the duration of the hiatus that is robust to unknown forms of heteroskedasticity and autocorrelation (HAC) in the temperature series and to cherry-picking of endpoints. For the specific case of global average temperatures I also add the requirement of spatial consistency between hemispheres. The method makes use of the Vogelsang-Franses (2005) HAC-robust trend variance estimator which is valid as long as the underlying series is trend stationary, which is the case for the data used herein. Application of the method shows that there is now a trendless interval of 19 years duration at the end of the HadCRUT4 surface temperature series, and of 16 - 26 years in the lower troposphere. Use of a simple AR1 trend model suggests a shorter hiatus of 14 - 20 years but is likely unreliable.

New Global Economic Trends

Assessing the new situation and new issues of the global economy at the turn ofthe century.we feel excitement and anxiety---excitement over the currentworldwide economic dynamism pregnant with a promising future of a"golden age"and anxiety about the raging East Asian financial crisis and some latent economicuncertainties of the world at large.This paper attempts to analyze the new salientfeatures of the global economy and their impact on China involved now in the pro-cess of converging with the global market system.

Temperature Trends on Gran Canaria (Canary Islands). An Example of Global Warming over the Subtropical Northeastern Atlantic

The variation in temperature on the island of Gran Canaria is studied using the method applied to the nearby island of Tenerife [1]. An upward warming trend of 0.09°C ± 0.05°C (α = 0.01) was seen from 1946 to date, which has accelerated since the seventies to 0.17°C ± 0.10°C (α = 0.01). The increase was higher at night (0.11°C ± 0.05°C) than by day (0.08°C ± 0.06°C), so the temperature range decreased slightly. These values are similar to those of Tenerife and the time series of anomalies for the two islands are highly correlated. On the coast the same relationship to the sea surface temperature was found as in Tenerife, but in the mid-altitude areas to windward, some differences were detected that are hypothetically attributable to the different relief of the two islands.

The Trends of Globalization and Digitalization are Changing the Market Contexts

We know that SME’s that trade online grow faster and create more jobs than those that only operate in their domestic markets.The Internet is breaking down many traditional barriers to global trade,but there is still much governments can do to speed and enable SME digitization and ecommerce.The opportunity is huge at

Trend of Salt Lake Changes in the Background of Global Warming and Tactics for Adaptation to the Changes

Salt lakes are a mirror of climatic changes and provide holographic records of environmental changes of lakes. According to a study of geological hazards in typical salt lake areas in China and other regions, the authors explain how geological hazards in salt lake areas are caused by natural agents and how humans can seek benefits, avoid hazards and reduce losses on the premise that they have monitored and mastered the trend of salt lake changes in advance and even can store flood and recharge water in lakes and extract saline resources. The climate in western China is probably turning from warm-dry to warm-moist. The authors analyze the change trend of salt lakes sensu lato (with salinity≥0.3 wt% (NaCl)eq) and salt lakes sensu stricto (with salinity ≥3.5 wt% (NaCl)eq) in China in such climatic conditions and distinguish three types of salt lake areas (i.e. lake water rising type, lake water falling type and lake water rising and unstable type) according to the characteristics of lake water rising and shrinking. In order to conform to the climatic and lake changes in China's salt lake areas, the authors propose to add and improve hydrological and meteorological observation stations and integrate observations with remote sensing monitoring in important salt lake areas and set up multidisciplinary and interdepartmental basic projects to monitor and study recent climatic and environmental changes in salt lake areas of western China. Moreover, it is necessary to build additional flood-control and drought-preventing water conservancy facilities in key salt lake areas and work out measures for ecological protection in salt lake areas. Full consideration should be given to the influence of flooding when building saltfields and implementing capital projects.

2023年南极海冰范围新低事件及其气候意义

南极海冰曾长期维持弱增长趋势,但近年来快速减少.紧随2022年新低之后,2023年2月南极海冰范围(SIE)又创下新低纪录178.8万km~2,有观测以来南极SIE首次未经恢复就直接在第二年连续新低,具有重要的气候指示意义.研究显示,SIE初始基数小、大气海洋温度偏高、吸收净太阳辐射异常偏多和来自中纬度的暖平流异常、前春南极涛动和阿蒙森海低压维持异常偏强等是本次海冰新低事件的直接原因,相比于2022年,2023年新低时海冰在东南威德尔海等地进一步减少,而在西北威德尔海等地有所增加,这可能与大气环流在前后两年2月间大气环流的区域变化有关.进一步研究发现,南极海冰和海洋大气温度在过去几十年都经历了趋势变化,其中夏季气温和夏季SIE最小值的趋势转变最早也最显著,近期南极SIE的连续新低和环南极净太阳辐射通量新高等现象可能预示了南极海冰长期趋势转折的确立,后者对于未来南极和全球气候具有关键性影响.

海南自贸港建设国际教育创新岛的机遇、挑战与路径

建设国际教育创新岛是时代赋予海南自贸港建设的光荣使命。教育部支持海南创新开展“在地国际化”模式,建设国际教育创新岛。当前,国际形势面临百年未有之大变局,海南国际教育创新岛建设面临着逆全球化浪潮的影响,机遇与挑战并存。海南要积极用好用足政策优势,继续深入探索建设国际教育创新岛的实现路径,全方位、深层次、高质量推进国际教育创新岛建设,打响“学在海南,留学国外”的金字招牌,全面提升教育国际化水平,为中国乃至世界教育发展贡献海南智慧与力量。

Hot Issues and Trends of Global Forestry Development

With acceleration of economic globalization,ecological problem becomes increasingly prominent,and forestry and forest issues become world concerns.Since 1992 United Nations Conference on Environment and Development,sustainable forest management(SFM)becomes a subject of times,and hot issues,such as climate change,assessment of forest resource,biomass energy of forestry,combating illegal timber and relevant international forest product trade,gradually become world concerns.This paper sum up these hot issues,analyzes background and current situations of forestry development,and discusses the development trends of global forestry.

基于文献计量学分析过去十年强直性脊柱炎研究的全球趋势

目的强直性脊柱炎(AS)是脊柱关节病的一种,属于自身免疫性疾病。在过去几十年中,关于AS的研究总体上呈上升趋势。通过文献计量学的方法,揭示AS研究领域的关注热点。方法基于检索Web of Science Core Collection(WoSCC)的科学引文索引扩展版(SCI-Expanded)中的出版物,记录了2013年至2023年期间发表的信息。通过使用VOSviewer、CiteSpace以及Excel软件对年度产出、领先国家、活跃机构、期刊、作者、共引参考文献和关键词的爆发等进行了可视化分析。结果通过检索和筛查,共获得了1193篇文章纳入分析。在最近十年中,与AS相关的研究数量呈增长态势。美国是该领域最高产的国家。最高产的机构是加拿大的多伦多大学。发文量排名前十的期刊中,《风湿病学年鉴》Annals of the rheumatic diseases获得了最高的引用量。来自德国的学者Poddubnyy发文量表现最为突出。“th 17 cells”、“antitumor necrosis factor”是该研究领域较为突出的关键词。结论本研究阐明了AS研究领域的研究现状及前沿热点,为该领域的下一步研究方向提供了科学性的数据支持。

主要发达国家和地区的融合研究举措及其启示

融合研究可通过不同领域的知识和技术的相互融合,促进新思路、新方法和新技术发展,推动国际合作和知识共享,已成为各国应对新一轮科技革命和产业变革的重要抓手。基于融合研究概念,从推动前沿科技进步、解决重大社会问题和开拓新兴产业发展3个方面提炼融合研究全球发展趋势;总结主要发达国家和地区促进融合研究的举措和做法,结合中国当前情况,从顶层设计、项目资助、平台构建和人才培养4个方面提出启示与建议。

基于全球专利视角的玉米淀粉创新利用发展态势分析

探究全球玉米淀粉利用发展态势,比较国内外主要研发机构的技术进展和战略布局,为中国在该领域提供参考借鉴。基于智慧芽全球专利数据库(PatSnap),运用文献计量和可视化方法,从时间趋势、地域分布、技术分布和研发机构等维度梳理全球玉米淀粉技术发展态势。结果显示,当前全球玉米淀粉利用技术趋于成熟和稳定,应用领域以食品加工和动物饲料为主,并逐渐向医药制剂、材料科学、微生物培养发酵和遗传工程领域发展。中国在专利数量上实现领先,在全球化布局、技术质量和产业化发展上差距显著。建议加强核心技术研发和全球化布局,提高产业化发展水平,增强知识产权保护和市场竞争意识,为我国玉米淀粉全产业链高值化利用提供机遇和发展路径。