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Control of Cyanobacteria Outbreak in Chaohu Lake
作者:王晓英   出版日期:2021-01-01
来源:
关键词:Current Situation of Control Goal 蓝藻爆发 对策 目标 Chaohu Lake Countermeasures Cyanobacteria Outbreak 治理现状 巢湖 
描述:The effects, problems and causes of controlling Chaohu Lake and eliminating blue-green algae outbreak were comprehensively analyzed, and the objectives of controlling Chaohu Lake and cor-responding technical integration measures were put forward. Control effect: Control the external source and remove the internal source, improve the water quality of the river into the lake, improve the water quality of Chaohu Lake from inferior class V to class V, and reduce the accumulation of cyanobacteria on the water surface. The existing problems are as follows: The control of external and internal sources is not enough; the current water quality of Chaohu Lake is still far from the target of class III; the outbreak of cyanobacteria is still serious. Recommended target: To eliminate cyan bacteria outbreak in different water areas from 2025 to 2035. Safeguard measures: Further promote the system of river head and Lake Head, integrate the governance of Chaohu into the Yangtze River protection strategy, increase scientific research efforts, and revise the governance plan of Chaohu. Innovative ideas of Chaohu Lake treatment technology integration are: 1) eutrophication treatment: control source and intercept pollution, actively treat non-point sources such as sewage plant, industrial, domestic, large-scale livestock and poultry breeding point sources and agricultural and rural areas, with the focus on building sufficient sewage treatment capacity and improving the treatment standard of sewage plant; reduce endogenous, mainly remove cyanobacteria and lake bottom sludge. 2) Algae removal: Comprehensive salvage and removal of cyanobacteria on water surface, water body and bottom. 3) Wetland restoration: Large scale restoration of coastal wetland, artificial restoration to promote natural restoration, so that the vegetation coverage of Chaohu Lake from 5% to the original 25%~30%. Conclusion: It is necessary to eliminate the outbreak of cyanobacteria in Chaohu Lake by giving full play to the institutional advantages of concentrating on major events with Chinese characteristics, establishing goals and integrating technological innovation.
Circulation of Ancient Etiquette: Essence of "(Li)" of Lao Tzu.
作者:暂无 出版日期:2021-01-01
来源:
关键词:《老子》 comity 古礼 礼让 Lao Tzu 无为 letting things take their own course (a Taoist concept of human conduct) Chinese ancient etiquette Philosophical idea 哲学思想 Language of English 
描述:Academia generally believes that Laozi is opposed to Confucian rituals. "Rite" is divided into sources, ancient rituals are the source, Confucian rituals are the streams, the "rituals" mentioned in this article specifically refers to the ancient rituals in cultural science, not Confucian rituals. The core of ancient rituals contained in "Book of Rites" is the spirit of temperance and comity. Through the analysis of the salvation thought presented in the book "Laozi", it is found that the concept of "little desire" in "Laozi" is the concrete "reproduction" of the "temperance" spirit of ancient rituals, and the concepts of "selflessness" in "Laozi" are ancient rituals. The "contemporary interpretation" of comity "spirit". Based on this, we can say that "Laozi" is the book of "Zhenxia Qiyuan" written by Gu Li in the Spring and Autumn Period and Warring States Period. On the other hand, the profound relationship between Lao Tzu\'s thought and the spirit of ancient ritual culture in our historicist attitude can draw a new perspective to explain Lao Tzu\'s thought.
Changes and Effects of Soil Physicochemical Properties and Soil Enzyme Activity in Different Growth Stages of Sugarcane.
作者:暂无 出版日期:2020-01-01
来源:
关键词:土壤酶活 产量品质 甘蔗 土壤养分 Soil enzyme activity Soil physical and chemical properties 有机复合肥混施 Organic compound fertilizer Yield and quality Sugarcane 
描述:【Objective】This experiment studied the changes of soil physical and chemical properties and enzyme activity of funong 41 sugar cane in different growth stages under different fertilization conditions. Through the comparison of sugarcane yield and quality and root system, the optimal fertilization method was selected to provide theoretical basis for sugarcane to maintain and increase yield, improve soil fertility and optimize fertilization scheme.【Method】The experiments of organic fertilizer and compound fertilizer(ONPK), slow release bag control(DNPK), single compound fertilizer(NPK), organic fertilizer(O) and no fertilizer(CK) five treatment were designed, and the sugarcane production quality and the length of root surface area, and the enzyme activity of soil physical and chemical properties were analyzed.【Result】Compared with other treatments, the yield of sugarcane stems increased by 38.12 %-76.59 %, and the sugar yield increased by 33.97 %-80.42 %,and promoting root growth;In sugarcane tillering stage, the soil nutrient content was the best, including ONPK treatment than other fertilizer treatment had significant difference(P < 0.05) in soil organic matter, alkali-hydro nitrogen, available P, available K content than other treatment increased by 1.94 %,22.52 %,6.54 %,15.93 %, 3.26 %,24.13 %, 11.79 %,32.93 %; The differences of soil urease, sucrase and acid phosphatase were not obvious in the whole growth period, and the enzyme activity was the largest in the mature stage. However, the soil urease, sucrase and acid phosphatase treated by ONPK were significantly higher than other treatments, increasing by 7.90 %-28.13 %, 12.23 %-20.06 % and 10 %-46.67 %;Compared with other treatments, the yield and sugar yield of sugarcane treated by NPKD had no significant advantage, which was consistent with the variation range of soil nutrient content between NPK treatment and O treatment, but the soil enzyme activity was only lower than that of ONPK treatment, and the soil urease, sucrase and acid phosphatase increased by 2.70 %-18.75 %, 5.14 %-6.98 % and 33.33 %-21.21 %,respectively.【Conclusion】The mixed application of organic fertilizer and compound fertilizer can promote the development of sugarcane root system, improve the yield and quality of sugarcane, improve the physical and chemical properties of soil and enzyme activity, and improve the soil enzyme activity to a certain extent by slow-release bag controlled fertilization.
Casa de Zanotta
作者:Jenchieh Hung   出版日期:2023-01-01
来源:
关键词:地貌景观 城市肌理 家居行业 引领力 办公建筑 交通干道 安徽合肥 停车场 
描述:Casade Zanotta为意大利著名家具Zanotta在中国首间家具美术馆,自1954年由Aurelio Zanotta创立之始,Zanotta便一直追求特立独行又不失奢华优雅的设计调性,是意大利家居行业中极富创意与艺术引领力的品牌。Casade Zanotta座落于安徽合肥中心区,地块周围充斥着住宅与办公建筑、停车场以及广阔的交通干道,回溯该背景便可发现在过去20年间,合肥试着成为上海或深圳这样的高密度混凝土城市,以塑造功能性导向的城市肌理为前提,却逐渐与当地特有的地貌景观背道而驰。
Brief Analysis of Lao Tzu’s Philosophy of Life
作者:胡 敏   出版日期:2023-01-01
来源:
关键词:处世哲学 老子 上善若水 不争 无为 
描述:The new era of China, with cultural confidence, has also obtained the unanimous recognition of the world cultural development, and the inheritance and development of the traditional culture of the Chinese nation has established the important position of cultural confidence as the foundation of the self-reliance of the Chinese nation. Entering a new stage of development today, we should take a more correct attitude to pay more attention to the innovation and inheritance of the excellent traditional culture of the Chinese nation. Taking Lao Tzu’s Tao Te Ching as an example, as the essence of traditional culture, the intellectual philosophy of life needs us to understand and learn. Therefore, in line with the belief of inheriting the excellent traditional Chinese culture, in turn, we focus on the connotation of Lao Tzu’s philosophy of the world of natural inaction and no fighting, the concept of the world and the philosophy of preventing against the extreme of things, in order to dig deeper into the practical significance of Lao Tzu’s philosophy of life, which can make Lao Tzu’s thoughts have realistic educational characteristics, help people understand the way of life, to shape a healthy and harmonious interpersonal relationship, so as to realize that everyone can become a collection of great wisdom and promote the sound development of society and individuals.
BIM技术助力医院精装修项目应用实践——以合肥京东方医院精装修工程为例
作者:宋艾笛   出版日期:2020-01-01
来源:
关键词:装配式 BIM技术 医院精装修项目 应用实践 合肥京东方医院 
描述:当前我国城镇化建设进程加速,配套的医疗机构也在逐步完善之中。在国家大力推广智慧化城市的背景下,我国医院建设正向着精细化、科学化、人性化、绿色环保、可持续的方向发展。为高效并优质地完成医院类项目的施工建设,针对医院精装修项目,借助BIM技术的全过程介入,使医院成为充满人文关怀、设计舒适、使用便捷的公共场所,并达到最好的交付使用效果。
BDS卫星钟时频特性分析研究
作者:张健铤   出版日期:2021-01-01
来源:
关键词:时频分析 北斗卫星导航系统 无为方法 周期项 标准时频变换 卫星钟差 
描述:星载原子钟是卫星导航系统有效载荷的核心部分,其性能直接决定着导航定位授时(PNT)服务性能和时频传递的精度,准确分析其性能特征对卫星钟差的建模具有重要意义。采用标准时频分析方法方法对北斗卫星导航系统(BDS)卫星钟差中的周期项进行分析,发现其显著存在24 h周期项,利用无为方法对其进行提取,发现其幅值存在显著变化。
BB肥“突围”,关键看服务
作者:魏萌   出版日期:2020-01-01
来源:
关键词:复合肥 精准施肥 服务属性 农资企业 粮食安全 扶贫资金 配方肥 农资流通 农资行业 农业社会化服务体系 减肥增效 科学施肥 
描述:阳光下没有新鲜事物。一个产业潮起潮落、兴衰更迭的周期性波动,一定有其内在的逻辑与规律。作为"舶来品",BB肥从引进之初便因生产便捷、配方灵活、养分精准、节本增效等优势,被农资行业寄予厚望。上个世纪80年代,BB肥产业在我国落地生根,实物产量由最初的不
ATHYS模型及其在巢湖流域丰乐河水文过程模拟中的应用
作者:郑珊珊 PERRIN J L 储茵 马友华 SALLES C TOURNOUD M G   出版日期:2014-01-01
来源:
关键词:ATHYS模型 水文模拟 降雨径流 丰乐河流域 
描述:以巢湖典型支流丰乐河流域为例,利用分布式水文模型ATHYS对流域降雨—径流过程进行模拟,以期为丰乐河流域水土保持、防洪、水资源利用和非点源污染防治等提供科学依据。ATHYS模型将流域分为大小相同的空间小单元,以库模型进行产流计算,以滞后演算法(lag and route)方法进行汇流计算,并以Nash and Sutcliffe指数作为检验模拟结果的标准,模拟流域出口断面日径流量,初步分析流域径流实测值与模拟值的年际变化。模型模拟结果表明,在率定期和验证期模拟与实测径流量的总Nash and Sutcliffe值(Nash值)都可以达到0.80以上,相关系数均可达0.89以上。除了部分峰值和基流,模型能较好地模拟丰乐河的径流过程。模型模拟径流总量的相对误差在率定期为23.1%,验证期为34.6%。流域降雨量、径流量的年内、年际变化均比较明显,径流实测值和模拟值的年际变化也都比较大。综合来看,模型比较适用于所研究流域的日径流模拟。
Analysis on the Current Situation of Hefei New Energy Vehicle Charging Station
作者:黄 玥   出版日期:2021-01-01
来源:
关键词:充电站 New Energy Vehicles 合肥 新能源汽车 Hefei 聚类分析 Cluster Analysis Charging Station 
描述:In recent years, in order to respond to the national calling “fight for the blue sky”, Hefei municipal government has successively issued various preferential policies to vigorously promote the promotion and application of new energy vehicles. With the rapid development of new energy vehicle industry in Hefei, a problem worthy of attention is the allocation of charging piles for new energy vehicles. Based on cluster analysis, this paper classifies and counts 1589 household comment entries from “Hefei charging APP”, analyzes the development status of Hefei new energy vehicle charging station, and puts forward practical suggestions.
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