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中国休闲渔业发展法律问题研究

黑龙江水产 2024年第4期43卷 396-400页

作者：曲亚囡韩悦憧大连海洋大学海洋法律与人文学院辽宁大连116023

休闲渔业是渔业经济多元化发展的重要组成部分,对推进中国渔业产业融合、促进渔业经济发展具有重要作用。文章概括并论述了中国休闲渔业的发展现状和发展意义,指出其具有广泛的发展空间和潜力,对乡村振兴的实现十分重要。在理清中国休... 详细信息

休闲渔业是渔业经济多元化发展的重要组成部分,对推进中国渔业产业融合、促进渔业经济发展具有重要作用。文章概括并论述了中国休闲渔业的发展现状和发展意义,指出其具有广泛的发展空间和潜力,对乡村振兴的实现十分重要。在理清中国休闲渔业发展规模和发展优势的基础上,分析了目前休闲渔业产业发展存在立法不足、对休闲渔业的发展和管理缺乏专门法律法规的支持、缺乏对休闲渔业设施建设、渔具使用和安全管理等方面的规范和制度、配套法律缺失导致渔业资源损害等法律问题,提出应加强休闲渔业相关法律法规的制定和完善、建立行业标准和规范、建立健全休闲渔业管理机制、加大监管和执法力度、建立生态补偿机制,确保资源合理利用和资源保护的解决对策。

关键词：休闲渔业渔业管理渔业资源法律问题发展对策

Top—Higgs ht^0 and the Process γγ→ZZ

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Communications in Theoretical Physics 2003年第6期39卷 681-684页

作者： yuechong-Xing ZHAOXian-Lin ZHANGYan-Ming LIHong DepartmentofPhysics LiaoningnormaluniversityDalian116029China DepartmentofPhysics HenanEducationInstituteZhengzhou450014China CollegeofPhysicsandInformationEngineering HenannormalUniversityXinxiang453002China

In the context of topcolor-assisted technicolor(TC2. models,we calculate the s-channel contributions of the top-Higgs ht^0 to the process γγ→*** find that,for reasonable ranges of the paramters,ht^0 can give significant contributions to this process,when the top-Higgs mass approximately equals to the center-of-mass energy s and the free parameter ε=0.01,the cross section can reach 161 *** may be detected in the γγ collisions based on the future e+e- ***,the process γγ→ZZ may be used to probe the top-Higgs and further test TC2.models in γγ collisions.

关键词： TC2.型粒子物理学希格斯介子 Higgs介子横截面相互作用 QCD 量子色动力学夸克

Impact of emission control on regional air quality: An observational study of air pollutants before, during and after the Beijing Olympic Games

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Journal of Environmental Sciences 2014年第1期26卷 175-180页

作者： Shulan Wang Jian Gao yuechong Zhang Jingqiao Zhang Fahe Cha Tao Wang Chun Ren Wenxing Wang State Key Laboratory of Environmental Criteria and Risk Assessment Chinese Research Academy of Environmental Sciences Department of Civil and Structrual Engineering The Hong Kong Polytechnic University

An observational study on trace gases and PM2.5 was conducted at three sites in and around Beijing, during the Olympic season from 2.07 to 2.09. Air quality improved significantly during the Olympic Games due to the special emission control measures. However, concentrations of the primary pollutants and PM were found to have risen significantly after the Games. Although the major O3 precursors （NOx and VOCs） were well controlled during the Olympic season, O3 was still found to be the highest in 2.08, based on the data of ground-based observation. All this information suggests that while control of regional emissions for the Beijing Olympic Games did improved the air quality in Beijing, more efforts will be needed for the continuous improvement of regional air quality, especially for significant reductions of O3 and fine particulate pollution, and not only in Beijing, but also in the B eijing-Tianjin-Hebei region.

关键词： Beijing Olympic Games primary pollutants ozone fine particle air

Spatial and temporal variation of particulate matter and gaseous pollutants in 2. cities in China

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Journal of Environmental Sciences 2014年第1期26卷 75-82页

作者： Fahe Chai Jian Gao Zhenxing Chen Shulan Wang yuechong Zhang Jingqiao Zhang Hefeng Zhang Yaru Yun Chun Ren State Key Laboratory of Environmental Criteria and Risk Assessment Chinese Research Academy of Environmental Sciences

O3 and PM2.5 were introduced into the newly revised air quality standard system in February 2.12. representing a milestone in the history of air pollution control, and China＇s urban air quality will be evaluated using six factors （SO2. NO2. O3, CO, PM2.5 and PM10） from the beginning of 2.13. To achieve the new air quality standard, it is extremely important to have a primary understanding of the current pollution status in various cities. The spatial and temporal variations of the air pollutants were investigated in 2. pilot cities in China from August 2.11 to February 2.12. just before the new standard was executed. Hourly averaged SO2. NO2.and PMlo were observed in 2. cities, and the pollutants O3, CO and PM2.5 were measured in 15 of the 2. cities. The concentrations of SO2.and CO were much higher in the cities in north China than those in the south. As for O3 and NO2. however, there was no significant difference between northern and southern cities. Fine particles were found to account for a large proportion of airborne particles, with the ratio of PM2.5 to PMI0 ranging from 55% to 77%. The concentrations of PM2.5 （57.5 μg/m3） and PMlo （91.2.μg/m3） were much higher than the values （PM2.5：11.2.g/m3; PMI0：35.6 μg/m3） recommended by the World Health Organization. The attainment of the new urban air quality standard in the investigated cities is decreased by 2.% in comparison with the older standard without considering O3, CO and PM2.5, suggesting a great challenge in urban air quality improvement, and more efforts will to be taken to control air pollution in China.

关键词： air quality standard gaseous pollutant particulate matters non-attainment

Photochemical properties and source of pollutants during continuous pollution episodes in Beijing, October, 2.11

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Journal of Environmental Sciences 2014年第1期26卷 44-53页

作者： Jian Gao yuechong Zhang Meng Zhang Jingqiao Zhang Shulan Wang Jun Tao Han Wang Datong Luo Fahe Chai Chun Ren State Key Laboratory of Environmental Criteria Risk Assessment Chinese Research Academy of Environmental Sciences South China Institute of Environmental Sciences Ministry of Environmental Protection

Beijing suffered from serious air pollution in October, 2.11 with the occurrence of three continuous episodes. Here we analyze the pollution status of particulate matter, the relationship between the gaseous pollutants, physical and chemical properties of single particles, and the profile of water-soluble ions in PM2.5 during the three episodes. Regional and photochemically aged air masses, which were characterized as having high values of O3 and SO2. were hypothesized to have played a dominant role in the first episode. After mixing local air masses with freshly-emitted primary pollutants, the concentration of NOx continued to increase and the size of SO42., NO3- and NH4＋ in the particle population continued to become smaller. The amount of elemental carbon-rich and organic carbonrich particles in the scaled single particles （0.2.2.μm） and water-soluble K＋ in PM2.s also increased in the episodes. All the available information suggests that the biomass or fuel burning sources in or around Beijing may have had a huge impact on the last two episodes.

关键词： Beijing particulate matter single particles photochemical property pollution episodes

加快推动职业教育高质量发展为中国式现代化建设赋能增效

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中国职业技术教育 2023年第1期 5-7页

作者：成岳冲浙江省政府

党的二十大擘画了以中国式现代化推进中华民族伟大复兴的宏伟蓝图,同时提出实施科教兴国战略,强化现代化建设人才支撑。职业教育是国民教育体系和人力资源开发的重要组成部分,承担着为区域经济社会发展培养高素质技术技能人才的重要使命... 详细信息

党的二十大擘画了以中国式现代化推进中华民族伟大复兴的宏伟蓝图,同时提出实施科教兴国战略,强化现代化建设人才支撑。职业教育是国民教育体系和人力资源开发的重要组成部分,承担着为区域经济社会发展培养高素质技术技能人才的重要使命,在中国式现代化建设的历史进程中具有重要地位和不可替代的作用。

关键词：现代化建设人才国民教育体系科教兴国战略中国式现代化人力资源开发高素质技术技能人才区域经济社会发展不可替代

Top—Higgs and the Process e^＋e^— → vvtt

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Communications in Theoretical Physics 2002年第4期37卷 447-449页

作者： yuechong－Xing YANGHua 等 CollegeofPhysicsandInformationEngineering HenanNormalUniversityXinxiang453002China InstituteofElectronics InformationEngineeringUniversityZhengzhou450004China

We discuss the contributions of the top-Higgs ht0 predicted by topcolor-assisted technicolor (TC2. models to the process e+e- → *** find that the contributions are very *** mht = 400 GeV and ε = 0.01,the production cross section of this process can reach 11.2.fb,which may be detected in thc future high energy e+e- collider *** process e+ e- → vvtt can be used to test experimentally the signal of TC2.models.

关键词：电弱统一机制上Higgs粒子正负电子淹没过程

Non-universal Gauge Bosons Z′ and the Process e^＋e^- → f f^-

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Communications in Theoretical Physics 2004年第3期41卷 419-424页

作者： yuechong-Xing WANGShun-Zhi DepartmentofPhysics LiaoningNormalUniversityDalian116029China CollegeofPhysicsandInformationEngineering HenanNormalUniversityXinxiang453002China

We discuss the observability of the non-universal bosons Z′ predicted by topcolor-assisted technicolor(TC2. models in the near future high-energy linear e^+e^- collider (LC) experiments via studying its contributions to the processes e^+e^- → bb^- and ττ^-. We find that the signals of the new particle Z′ can be detected by measuring the relative corrections to the cross sections and the ratio of signal over square root of the background S/√B for these two processes in the LC experiments. In most of the parameter space of TC2.models, it is difficult to observe the virtual effects of the Z′ exchange on the forward-backward asymmetries AFB (bb^-) and AFB (ττ^-).

关键词：辐射截面 TC2.式规范玻色子高能碰撞实验高能物理学

Detecting Extended Technicolor Effects via the Process e^＋e^—→tt^— at High Energy e^＋e^—,Linear Collider

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Communications in Theoretical Physics 2001年第1期35卷 40-43页

作者： yuechong－Xing WANLing－De 等 CollegeofPhysicsandInformationEngineering HenanNormalUniversityXingxiang453002China

We calculate the corrections of extended technicolor (ETC) interactions to the asymmetry parameter ALR and the polarized parameters pLt, PtR of the process e+ e-→tt in topcolor-assisted multiscale technicolor model. Our results show that the ETC effect on PtR is negligibly small which can be safely ignored, and the ETC effect on ALR may be testable at high energy e+e- linear collider (LC). For 0.03 ≤ε≤ 0.1, 500 GeV ≤ s ≤ 800 GeV, the relative correction of PtL is in the range of 15% ≤δPtL/PtL,SM ≤ 39%, which will certainly be detected at the LC experiments (for example TESLA).

关键词：高能物理 e^+e^-对撞色效应