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Study on the Functional Division of Agricultural Sightseeing in Handan City
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作者 张东云 郭建华 《Journal of Landscape Research》 2010年第3期52-54,共3页
Agricultural sightseeing in a new tourism pattern integrates ecological tourism functions into ecological agriculture and rural cultures. Handan City is located in southern Henan Province with excellent geographical c... Agricultural sightseeing in a new tourism pattern integrates ecological tourism functions into ecological agriculture and rural cultures. Handan City is located in southern Henan Province with excellent geographical conditions. In 2006-2008, agricultural sightseeing has achieved primary development in Handan City, and gradually become an indispensable component of the tourism market in this city. Promoting agricultural sightseeing in Handan City as well as the upgrading of its agriculture will be enhanced, which can be transformed from traditional and unitary function into the comprehensive functions of production, ecology, tourism, culture and education, thus is favorable for promoting the further development of tourism industry, enriching tourism products, realizing the sustainable development of agricultural tourism. Besides, surplus rural labors will be offered more opportunities, and industrial structure in rural areas will also be adjusted properly. Through dividing agricultural sightseeing in Handan City into the eco-agricultural sightseeing zone in the west, metropolis agricultural sightseeing zone in the middle, and economic agricultural sightseeing in the east, the authors clearly defined their ranges, orientation of typical functions, dominant development modes as well as projects, so as to figure out the reasonable development pattern for agricultural sightseeing in Handan City, specify its development context, and provide theoretical basis for the future development of agricultural sightseeing in this city. 展开更多
关键词 handan City Agricultural sightseeing Functional division
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On Construction and Development of Ecological Garden City in Handan
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作者 杨思勇 《Journal of Landscape Research》 2010年第1期16-20,共5页
Through introducing the connotation of ecological garden city, the paper analyzed the current construction situations and problems in Handan City and proposed the countermeasures of building national garden city in Ha... Through introducing the connotation of ecological garden city, the paper analyzed the current construction situations and problems in Handan City and proposed the countermeasures of building national garden city in Handan. 展开更多
关键词 handan CITY ECOLOGICAL GARDEN CITY DEVELOPMENT
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Ocular Trauma in a Rural Population of North China:The Handan Eye Study 被引量:4
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作者 ZHOU Jun WANG Feng Hua +3 位作者 LU Hai LIANG Yuan Bo WANG Ning Li the Handan Eye Study Group 《Biomedical and Environmental Sciences》 SCIE CAS CSCD 2015年第7期495-501,共7页
Objective To determine the prevalence of ocular trauma and the proportion of blindness and visua impairment due to trauma in a rural population in northern China. Methods The Handan Eye Study is a population-based cro... Objective To determine the prevalence of ocular trauma and the proportion of blindness and visua impairment due to trauma in a rural population in northern China. Methods The Handan Eye Study is a population-based cross-sectional study that surveyed 6830 Chinese people aged 30+ years from 13 randomly selected villages in Yongnian County, city of Handan, Hebei Province, in July, 2006. All participants underwent a standardized interview and extensive examinations. A structured questionnaire was used to collect information on ocular trauma. Results Of the 5837 participants who filled out the questionnaire, 124 subjects [2.1%; 95% confidence interval (CI), 1.8%-2.5%] reported a history of ocular trauma in either eye, including 19 (0.3%) persons reporting trauma in both eyes. Men were more likely to have an eye injury than women [odds ratio (OR), 3.3; 2.2-4.9]. In multiple logistic regression models, ocular trauma was significantly more frequent among normotensive participants when compared with hypertensive participants (hypertensive vs. normotensive" OR, 0.6; 0.4-0.9) and among participants who had a history of falls (OR, 2.4; 1.2-4.8). The proportion of unilateral visual impairment and unilateral blindness due to trauma were 10.5% (13 subjects) and 21.0% (26 subjects), respectively. Conclusion Our study reports the prevalence of severe ocular trauma among adults in rural China, revealing a high proportion of blindness and visual impairment due to trauma. These findings suggest the need for educational strategies to increase eye health awareness in this rural population with focus on providing at least appropriate first aid care to reduce blindness due to trauma. 展开更多
关键词 Ocular trauma Population-based survey PREVALENCE Risk factor handan Eye Study
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Analysis on "96. 8" Heavy Rainstorm Process in Handan 被引量:1
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作者 ZHANG Yan-li YANG Xue-chuan +2 位作者 WANG Ga SONG Xiao-hui TIAN Xiu-xia 《Meteorological and Environmental Research》 2012年第8期18-23,共6页
[ ObjEtive] The research aimed to analyze "96.8" heavy rainstorm process causing flood disaster in Handan. [ Method] Based on ac- tual situation data, satellite cloud data and NCEP reanalysis data in the first dekad... [ ObjEtive] The research aimed to analyze "96.8" heavy rainstorm process causing flood disaster in Handan. [ Method] Based on ac- tual situation data, satellite cloud data and NCEP reanalysis data in the first dekad of August in 1996, "96.8" heavy rainstorm process causing flood disaster in Handan was analyzed to understand occurrence reason of the flood disaster. [ Result] Two meso-scale convective cloud clusters which developed and went north in turn caused "96.8" heavy rainstorm in Handan. Typhoon and inverted trough were main weather systems induced flood disaster in Handan. In going north process of the low-level jet, due to blocking of the subtropical high, water vapor and energy accumulated in Handan, providing material basis for formation of the heavy rainstorm. Development and eastward movement of the short-wave trough at middle lati- tude and continuous invasion of the reflux weak cold air at the low layer were direct reason for triggering generation and development of the convec- tive cloud cluster, and further causing continuous rainstorm. Wet layer over the rainstorm zone was deep and thick. Meridional distribution of the wet zone was wider than latitudinal distribution. South China Sea and Bay of Bengal were water vapor sources for the rainstorm zone. In the whole rain- storm period, it was convergence at low layer and divergence at high layer in the rainstorm zone. It was positive vorticity at low layer and negative vorticity at high layer. Precipitation intensity changed as convergence and divergence. Rainstorm zone had strong ascending motion. As strengthe- ning and uplifting of the ascending motion strong center, strong precipitation also strengthened. Rainstorm center was near the biggest vertical ve- locity center. Strong precipitation changed as vertical ascending motion. [ Conclmion] The research provided scientific basis for disaster prevention and reduction and decision-making service. 展开更多
关键词 Heavy rainstorm No. 9608 strong typhoon Process analysis handan China
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Spatial Distribution Characteristics of Medical Resources for Epidemic Prevention in the Main Urban Area of Handan City Based on GIS
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作者 XI Hui GUO Manxuan 《Journal of Landscape Research》 2022年第2期71-74,共4页
The spatial distribution of medical resources for epidemic prevention (including a total of 79 facilities in designated hospitals,fever clinics,and primary medical institutions) in the main urban area of Handan City w... The spatial distribution of medical resources for epidemic prevention (including a total of 79 facilities in designated hospitals,fever clinics,and primary medical institutions) in the main urban area of Handan City was studied by using three algorithms (average nearest neighbor algorithm,kernel density estimation method and standard deviation ellipse method).The results show that the medical resources for epidemic prevention in the main urban area of Handan City are all in a state of agglomeration,but due to the different functions of different types of medical resources,their distribution range and distribution direction also show different characteristics.Therefore,the spatial balance of comprehensive medical resources in the main urban area of Handan City needs to be further improved. 展开更多
关键词 Medical resources Spatial analysis GIS handan City
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Study on Present Situation of Agriculture in Handan
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作者 Wei LV Chuan LU +3 位作者 Jianhan HE Meiyan PEI Zhimin WEI Xinyu WANG 《Meteorological and Environmental Research》 CAS 2021年第6期82-84,共3页
This article studies present situation of agriculture in Handan from different aspects.It is thought that overall sustainable development level of Handan agriculture is enhanced somewhat,but there are some problems.Ac... This article studies present situation of agriculture in Handan from different aspects.It is thought that overall sustainable development level of Handan agriculture is enhanced somewhat,but there are some problems.According to the actual condition,some rationalization suggestions are proposed. 展开更多
关键词 handan AGRICULTURE Sustainable development
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Analysis of the Spatial Distribution of Settlements Along the Canal in Handan Area
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作者 YANG Caihong LI Jiayu +1 位作者 CHEN Xiaowei LIU Yuchen 《Journal of Landscape Research》 2022年第1期28-32,共5页
The canal and the settlements along its bank are mutually cause and effect.On the one hand,the excavation of the canal optimizes the economic environment of the coastal regions,and creates unique advantages in natural... The canal and the settlements along its bank are mutually cause and effect.On the one hand,the excavation of the canal optimizes the economic environment of the coastal regions,and creates unique advantages in natural conditions,and the rise and fall of the settlements along the canal and the spatial forms are affected by the canal;and conversely,the settlements along the canal also drive the canal system to become more mature and accelerate the development of the canal.This paper sorted out the overall spatial characteristics and distribution factors of the settlements along the Grand Canal in Handan,and summarized various laws and directions presented by the generation and distribution of cultural heritage of such settlements,aiming to provide a new research perspective for the protection and utilization of settlements along the canal in Handan. 展开更多
关键词 handan area Grand Canal Settlements along the canal Spatial distribution
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The Landscape Style and Features of Historical and Cultural Blocks in Handan,Hebei Province,China
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作者 AN Ping MA Baolin +1 位作者 JIN Shuang ZHANG lei 《Journal of Landscape Research》 2020年第1期95-100,共6页
The landscape style and features of historical and cultural blocks in Handan show the landscape characteristics of Handan in the specific cultural and historical period.To explore the landscape style and features of h... The landscape style and features of historical and cultural blocks in Handan show the landscape characteristics of Handan in the specific cultural and historical period.To explore the landscape style and features of historical and cultural blocks in Handan is of great practical significance to maintain the characteristics of historical and cultural blocks,improve city quality,continue city culture and retain cultural characteristics.According to the advantaged natural geography,human geography factors and the current situation of landscape style and features in Handan City,this study discussed the landscape style and features of historical and cultural blocks through practical investigation and scientific research,found out the main problems and put forward corresponding protection and promotion strategies,in order to create a landscape pattern of historical and cultural blocks with cultural connotation,harmony and order,and distinctive characteristics. 展开更多
关键词 China handan Historical and cultural block Landscape style and features Protection anddevelopment
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Water supply and environment evaluation in Handan city
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《Global Geology》 1998年第1期77-78,共2页
关键词 Water supply and environment evaluation in handan city
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Factors and Countermeasures of the Export Diversification of Handan
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作者 Ying Liu Yaofei Hao 《Journal of Zhouyi Research》 2014年第2期21-23,共3页
关键词 出口市场 邯郸 多样化 执行情况 多元化
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序列变质煤中稀土元素变化特征研究
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作者 张卫国 杨建业 +3 位作者 李焕同 姚鑫 刘鑫 王永鑫 《稀土》 北大核心 2025年第2期72-80,共9页
稀土元素是良好的地质演化示踪载体,通过研究稀土元素在序列变质煤中的变化特征,将有助于揭示煤化作用过程中元素及其地化参数的变化规律。选取邯(郸)邢(台)矿区2号煤层为研究对象,以挥发分产率为序组建序列变质煤,分析了序列变质煤的... 稀土元素是良好的地质演化示踪载体,通过研究稀土元素在序列变质煤中的变化特征,将有助于揭示煤化作用过程中元素及其地化参数的变化规律。选取邯(郸)邢(台)矿区2号煤层为研究对象,以挥发分产率为序组建序列变质煤,分析了序列变质煤的稀土元素含量、分布模式以及δCe、δEu等参数特征,探究了煤中稀土元素与其变质程度的关系。结果显示:序列变质煤稀土元素分布模式差异受变质程度影响不大,轻稀土元素主导了稀土元素含量随变质程度变化的特征。铈异常随着变质程度的逐渐加深,呈现明显的先减小后增大的趋势,拐点位于煤化作用的第三次跃变区。铕异常随变质程度变化显现先增大后减小的趋势,为双向岩浆岩热量不同期次的叠加使煤层受热不均一所致。La_(N)/Yb_(N)值随着变质程度的逐渐加深,显现出双段变化,而钇异常特征不受变质程度影响。 展开更多
关键词 序列变质 稀土元素 分布模式 地化参数 邯邢矿区
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地形多样地区生态安全格局优化方法与规划应用——以邯郸市为例
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作者 王璇 许尊 《北京大学学报(自然科学版)》 北大核心 2025年第4期755-768,共14页
以邯郸市为案例,通过融合形态学空间格局分析模型(MSPA)、最小累积阻力模型(MCR)、重力模型和电路理论,系统地构建生态安全格局。研究结果表明,受“山水林田湖草城”等地类要素差异影响,研究区生态格局呈现向山林地区偏移的特征。通过... 以邯郸市为案例,通过融合形态学空间格局分析模型(MSPA)、最小累积阻力模型(MCR)、重力模型和电路理论,系统地构建生态安全格局。研究结果表明,受“山水林田湖草城”等地类要素差异影响,研究区生态格局呈现向山林地区偏移的特征。通过引入地形特征修正模型,平原地区生态廊道与斑块的重要性得到显著的提升。优化后的模型能够更好地适应山地、丘陵和平原等多样化的地形条件,有效地增强区域生态安全格局的均衡性和稳定性。基于研究结果,进一步讨论了生态安全格局在国土空间规划中的具体应用,可为生态廊道精准管控、生态分区科学划定、建设用地整理以及城乡空间优化布局提供实践指导。 展开更多
关键词 生态安全格局 形态学空间格局分析模型 最小累积阻力模型 国土空间规划 邯郸市
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河北典型压采区地下水位时空变化特征及影响因素分析
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作者 郭晓帅 刘飞 +3 位作者 甄品娜 刘聪丽 郭雁辉 柴宏利 《人民黄河》 北大核心 2025年第6期84-89,122,共7页
识别地下水位变化及影响因素是评估地下水压采效果的核心内容之一,是准确研判超采治理区域地下水演变趋势的重要前提。以河北超采治理试点区邯郸市东部平原为研究区,综合运用小波分析、统计学、GIS等方法,深入分析了2018—2021年浅层地... 识别地下水位变化及影响因素是评估地下水压采效果的核心内容之一,是准确研判超采治理区域地下水演变趋势的重要前提。以河北超采治理试点区邯郸市东部平原为研究区,综合运用小波分析、统计学、GIS等方法,深入分析了2018—2021年浅层地下水和深层承压水水位的时空变化情况及影响因素。结果表明:浅层地下水年内水位变幅为0.9~7.3 m,深层承压水年内水位变幅为2.8~17.6 m,7月降至年内最低水位,12月左右达到最高水位。2018—2021年大部分区域浅层地下水位和深层承压水位呈上升趋势,浅层地下水位上升0.8~4.6 m,深层承压水位上升0.6~6.3 m。浅层地下水和深层承压水漏斗面积均呈现“低水位期增加(分别为347.9、60.6 km^(2))、高水位期减少(分别为91.0、516.2 km^(2))”趋势。年内浅层地下水位的上升与降水密切相关,地下水位对降水的响应滞后时间为141~224 d。引江水和引黄水分别通过置换城镇工业和生活用水、农田灌溉的地下水量有利配合了地下水压减,进而促进了研究区水位的回升。 展开更多
关键词 地下水位变化 压采 跨流域调水 小波分析 邯郸市
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邯郸东部平原多水源氢氧同位素时空变化特征
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作者 郭雁辉 刘飞 +3 位作者 甄品娜 郭晓帅 柴宏利 刘聪丽 《地球与环境》 北大核心 2025年第1期112-122,共11页
在跨流域调水和地下水超采治理的综合作用下,华北平原的水循环过程趋于复杂化,而氢氧同位素示踪技术正是厘清多水源供水地区复杂水循环过程的有效方法。本研究以邯郸东部平原为研究对象,通过收集45组降水、28组地表水和182组地下水样品... 在跨流域调水和地下水超采治理的综合作用下,华北平原的水循环过程趋于复杂化,而氢氧同位素示踪技术正是厘清多水源供水地区复杂水循环过程的有效方法。本研究以邯郸东部平原为研究对象,通过收集45组降水、28组地表水和182组地下水样品的氢氧同位素数据,结合统计分析和端元混合模型等方法,分析了不同水体的氢氧稳定同位素时空变化特征,探讨了多水源的相互转化关系。结果表明:(1)建立了当地大气降水线(LMWL:δD=6δ^(18)O–4,R^(2)=0.83),降水同位素组成在3—6月主要受降水量效应影响,6—10月则主要受温度效应控制;(2)时间上,河水和浅层地下水同位素组成均表现出“旱季富集、雨季贫化”的特点。空间上,滏阳河、漳河和卫河氢氧同位素组成相比引黄水(东风渠、老漳河)明显富集;浅层地下水在西部和东北部同位素最为富集,可能与该区域较浅的水位埋深导致的蒸发作用密切相关;深层承压水同位素呈现“西部富集、东部贫化”的特点,可能与西部山区地下水的侧向补给有关;(3)旱季本地河流基本表现为“降水和浅层地下水共同补给河水”的规律,其中降水对河水的贡献率介于26%~46%,浅层地下水对河水贡献率介于54%~74%。雨季本地河流补排关系基本保持不变,但降水补给比例明显增加(约20%~50%)。外调水在旱季、雨季均表现为失水型河流,约32%~69%的河水补给浅层地下水。研究结果有助于加强对华北平原跨流域调水和超采治理共同作用下水循环过程的认识。 展开更多
关键词 邯郸东部平原 氢氧同位素 跨流域调水 混合比例 水循环
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邯郸东部平原多水源氢氧同位素时空变化特征
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作者 郭雁辉 刘飞 +3 位作者 甄品娜 郭晓帅 柴宏利 刘聪丽 《地球与环境》 北大核心 2025年第4期477-487,共11页
在跨流域调水和地下水超采治理的综合作用下,华北平原的水循环过程趋于复杂化,而氢氧同位素示踪技术正是厘清多水源供水地区复杂水循环过程的有效方法。本研究以邯郸东部平原为研究对象,通过收集45组降水、28组地表水和182组地下水样品... 在跨流域调水和地下水超采治理的综合作用下,华北平原的水循环过程趋于复杂化,而氢氧同位素示踪技术正是厘清多水源供水地区复杂水循环过程的有效方法。本研究以邯郸东部平原为研究对象,通过收集45组降水、28组地表水和182组地下水样品的氢氧同位素数据,结合统计分析和端元混合模型等方法,分析了不同水体的氢氧稳定同位素时空变化特征,探讨了多水源的相互转化关系。结果表明:(1)建立了当地大气降水线(LMWL:δD=6δ^(18)O–4,R^(2)=0.83),降水同位素组成在3~6月主要受降水量效应影响,6~10月则主要受温度效应控制;(2)时间上,河水和浅层地下水同位素组成均表现出“旱季富集、雨季贫化”的特点。空间上,滏阳河、漳河和卫河氢氧同位素组成相比引黄水(东风渠、老漳河)明显富集;浅层地下水在西部和东北部同位素最为富集,可能与该区域较浅的水位埋深导致的蒸发作用密切相关;深层承压水同位素呈现“西部富集、东部贫化”的特点,可能与西部山区地下水的侧向补给有关;(3)旱季本地河流基本表现为“降水和浅层地下水共同补给河水”的规律,其中降水对河水的贡献率介于26%~46%,浅层地下水对河水贡献率介于54%~74%。雨季本地河流补排关系基本保持不变,但降水补给比例明显增加(约20%~50%)。外调水在旱季、雨季均表现为失水型河流,约32%~69%的河水补给浅层地下水。研究结果有助于加强对华北平原跨流域调水和超采治理共同作用下水循环过程的认识。 展开更多
关键词 邯郸东部平原 氢氧同位素 跨流域调水 混合比例 水循环
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邯郸市2014—2023年大气污染物污染特征及潜在源分析 被引量:1
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作者 王虹宇 王郁聪 +4 位作者 许瑞广 赵英帆 裴波妮 王丽涛 刘景云 《环境科学学报》 北大核心 2025年第6期280-292,共13页
根据邯郸市2014—2023年大气主要污染物和气象的在线监测数据,分析了主要污染物的浓度水平、季节变化及气象条件的影响,并运用轨迹聚类、潜在源贡献因子法、浓度权重轨迹、大气污染物特征比值等分析方法,识别了邯郸市PM_(2.5)和O_(3)的... 根据邯郸市2014—2023年大气主要污染物和气象的在线监测数据,分析了主要污染物的浓度水平、季节变化及气象条件的影响,并运用轨迹聚类、潜在源贡献因子法、浓度权重轨迹、大气污染物特征比值等分析方法,识别了邯郸市PM_(2.5)和O_(3)的主要传输路径、潜在源区和主要贡献源.结果表明,2014—2023年邯郸市大气中PM_(2.5)、PM_(10)、SO_(2)、NO_(2)、CO的年均浓度均呈明显下降趋势,降幅分别为55.4%、50.9%、83.9%、44.8%、51.2%,但O_(3)-8 h年均浓度呈明显上升趋势,涨幅为27.8%.10年来,邯郸市空气质量虽有明显改善,但春季和冬季颗粒物浓度依然会出现超标现象,夏季O_(3)^-8 h超标问题也日益突出.燃烧源和二次生成是邯郸市PM_(2.5)的主要贡献源,其中,燃煤源贡献下降,移动源贡献上升.此外,低风速、高湿度和少降水是造成大气污染加剧的重要气象因素.潜在源贡献因子法(PSCF)和浓度权重轨迹法(CWT)分析结果表明,影响邯郸PM_(2.5)主要潜在区是河南北部、山东西部、山西、陕西、内蒙古、安徽等省份;影响邯郸O_(3)主要潜在区是河南北部、山西中部、山东西部、江苏中部.其中,近距离传输对邯郸市PM_(2.5)的浓度贡献更为显著,远距离传输对邯郸市O_(3)的浓度贡献显著. 展开更多
关键词 PM_(2.5) O_(3) 燃烧源 气象条件 后向轨迹 潜在源分析 邯郸
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邯邢地区富铁矿成矿岩体的物理化学特征及其对成矿的约束 被引量:1
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作者 张景辉 梁贤 +5 位作者 张聚全 韩成 孟祥熙 王金贵 张君伍 汪方跃 《矿物岩石地球化学通报》 北大核心 2025年第3期630-645,共16页
岩浆的物理化学性质对铁成矿和勘查具有指示意义。本文旨在用岩浆在不同演化阶段的物理化学性质来研究邯邢地区中部带大型矽卡岩型铁矿床的成因。以邯邢地区的矿山岩体为研究对象,采用成因矿物学方法,对其中二长岩中的角闪石及其包裹的... 岩浆的物理化学性质对铁成矿和勘查具有指示意义。本文旨在用岩浆在不同演化阶段的物理化学性质来研究邯邢地区中部带大型矽卡岩型铁矿床的成因。以邯邢地区的矿山岩体为研究对象,采用成因矿物学方法,对其中二长岩中的角闪石及其包裹的磷灰石进行电子探针分析及物理化学计算。角闪石温压计计算结果显示,岩浆过程分为三个阶段,三种角闪石形成的平均深度分别为14.1、4.7和1.6 km,对应熔体的平均氧逸度分别为△NNO+0.3、△NNO+0.9和△NNO+2.0。根据磷灰石计算的熔体挥发分结果显示,在研究的第一、二阶段,熔体的Cl含量从746×10^(-6)降至480×10^(-6),发生了显著的Cl出溶,而S含量则从135×10^(-6)升高至1053×10^(-6),表明岩浆中混入了膏盐层。在岩浆的第二、三阶段,熔体中的S含量从1053×10^(-6)降至425×10^(-6),发生了显著的S出溶。研究表明,岩浆具有高氧逸度和富挥发分的特征,又在中浅部混入了膏盐层,最后的出溶有利于Fe富集和运移富氯和硫的热液,这对邯邢地区矽卡岩型富铁矿的形成有重要影响。 展开更多
关键词 邯邢式铁矿 矿山岩体 氧逸度 角闪石 磷灰石
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基于随机森林的臭氧污染事件分析:以邯郸市为例 被引量:1
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作者 王郁聪 裴波妮 +6 位作者 许瑞广 赵英帆 王虹宇 赵一飞 王丽涛 汪庆 刘景云 《环境科学学报》 北大核心 2025年第2期320-333,共14页
对河北省邯郸市2022和2023年发生的3次持续性O_(3)污染过程进行分析,基于邯郸市监测站点空气质量数据、邯郸市气象站气象数据及全球资料同化系统(GDAS)数据,运用随机森林模型、后向轨迹模型、潜在源贡献因子(PSCF)和浓度权重轨迹(CWT)... 对河北省邯郸市2022和2023年发生的3次持续性O_(3)污染过程进行分析,基于邯郸市监测站点空气质量数据、邯郸市气象站气象数据及全球资料同化系统(GDAS)数据,运用随机森林模型、后向轨迹模型、潜在源贡献因子(PSCF)和浓度权重轨迹(CWT)分析方法,研究污染发生时段的影响因子和区域传输特征.结果表明:①在3次O_(3)污染过程中,温度较高,风速整体小于4 m·s^(-1);在重度O_(3)污染时段内,邯郸市在重污染发生前后夜间出现了O_(3)值异常、下降不明显的现象,主要与O_(3)的高空传输有关.②构建的随机森林模型对臭氧污染事件的模拟结果显示,R2均超过0.8,表明模型及其参数在不同时间尺度上是稳定且可靠的,且对重度污染事件的预测效果最好,根据随机森林模型变量重要性排序前三的为边界层高度、相对湿度和前体物.③在3次O_(3)污染期间,邯郸市主要是受河南、江苏、河北南部中短距离气流的影响,且污染轨迹多数来自上述地区;来自内蒙古、山西的中短距离气流和长距离气流,出现污染的概率相对较低,但对邯郸市O_(3)浓度的影响却不容忽视.④在邯郸市3次污染过程中潜在贡献源区主要分布在河南、山西东部、山东西部、江苏西部等地,说明上述区域是邯郸市持续性O_(3)污染过程的主要潜在贡献源.值得注意的是,河南的安阳、新乡、开封地区对3次O_(3)污染影响最大,这也进一步说明了邯郸市的O_(3)浓度异常高值可能与该区域的污染物短距离输送有关,因此,在邯郸市O_(3)污染防治过程中,除应注重本地污染物减排外,还应加强与上述区域的联防联控. 展开更多
关键词 O_(3) 随机森林 后向轨迹 潜在源分析 邯郸
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共同富裕目标下邯郸永年乡村特色产业高质量发展路径研究
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作者 许妍 王华东 徐运红 《智慧农业导刊》 2025年第9期92-95,共4页
该文通过对邯郸永年乡村特色产业发展的现状和存在的困境进行分析,结合共同富裕背景的新要求,提出邯郸永年乡村特色产业高质量发展的路径探索。主要结果包括提升乡村特色产业质量、注重文化保护与传承、注重生态环境保护与可持续发展以... 该文通过对邯郸永年乡村特色产业发展的现状和存在的困境进行分析,结合共同富裕背景的新要求,提出邯郸永年乡村特色产业高质量发展的路径探索。主要结果包括提升乡村特色产业质量、注重文化保护与传承、注重生态环境保护与可持续发展以及加强政策支持和监管。旨在指导邯郸永年乡村特色产业高质量发展,实现共同富裕的目标。 展开更多
关键词 共同富裕 邯郸永年 乡村特色产业 高质量 发展路径
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Clinical Study on Reversing Hepatic Fibrosis with Handan Ganle (汉丹肝乐) Capsule 被引量:1
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作者 程明亮 陆荫英 +2 位作者 吴君 罗天永 丁一生 《Chinese Journal of Integrative Medicine》 SCIE CAS 2001年第1期16-18,共3页
Objective: To observe the therapeutic effect on hepatic fibrosis of chronic hepatitis B by Chinese medicine Handan Ganle capsule (HDGLC).Methods: A total of 104 patients with chronic hepatitis B has been treated by H... Objective: To observe the therapeutic effect on hepatic fibrosis of chronic hepatitis B by Chinese medicine Handan Ganle capsule (HDGLC).Methods: A total of 104 patients with chronic hepatitis B has been treated by HDGLC for 6 months, liver fibrosis indexes and the serum biochemical indexes were detected before treatment, during the curative period and by the end of treatment. Hepatic biopsy was performed before or after the treatment.Results: The improvement rate of clinical symptoms was 79.0%-90.6%, and the recovery rate of ALT was 72.6%, serum fibrosis indexes such as HA, type Ⅳ collagen and LN were significantly decreased along with the extending course of disease ( P <0.05). The pathohistological score of liver was decreased from 7.82±6.22 before treatment to 5.16±3.75 after treatment ( P <0.05) and the score of hepatic fibrosis was decreased from 7.49±5.45 before treatment to 5.16±4.26 after treatment ( P <0.05).Conclusion: HDGLC has remarkable therapeutic and reversing effect on chronic hepatitis B induced hepatic fibrosis. 展开更多
关键词 liver fibrosis hepatitis B handan Ganle capsule
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