Introduction Green spaces provide human social and health benefits.1 They can also address broader ecological needs for local and regional benefit.2 With only one-fifth of the US population engaging in sports and recreation activity,3 green spaces are, on average, under used. In this note, we provide evidence showing that activity designers seeking to engage the public in green space could benefit from understanding park use and environmental literacy at t
..Introduction From the advent of Agricultural to the Industrial revolution, the scale of natural resource exploitation has progressively exerted pressure on the environment, and the signs of ‘weakness’ have become very obvious. Consequently, ‘sustainable development’1, a global concept and panacea, is now in the front burner of all development issues. The concept recognizes the fact that human health and life are inextricably linked to a robust and healt
..对尼日利亚尼日尔三角洲地区阿夸伊博姆州两种无脊椎动物Eudrilus eugeniae(蚯蚓)和Pachybolus ligulatus(千足虫)在有毒金属污染土壤中的生物指示潜力进行了评价。该研究收集了Eudrilus eugenae和Pachybolus ligulatus,并从分布在四个地方政府区域的十个地点的不同受影响和未受影响的土壤中收集了它们的现场土壤样本。土壤和生物i
中有毒金属(Pb、Fe、Zn、Ni和Cd)。Introduction Soils are fundamental components of the ecosystem, the backbone of terrestrial ecosystems and contribute in several biogeochemical processes at air, soil and water Interfaces. Soils can absorb and degrade many types of extremely toxic substances (ETS) such as heavy metals. However its capacities are limited and sometimes may become contaminated (Wahsha et al., 2014a). Therefore, the soil quality and its productive capacity must be preserved and improved. The levels and spatial di
..本研究旨在通过测量选定重金属的浓度来表征污染状况。探讨了土壤成因与岩性的关系。这提供了有关该地区未来农业发展的知识,并有助于决策者进行土地利用规划。< / p > . .
Introduction The combination good natural elements and effective landscape design may provide the approach to create both sustainable urban development and desirable urban environment through the modification of urban microclimate. The modification can be targeted at four key microclimate components of the dynamic outdoor thermal cycle: wind velocity, humidity, temperature and radiation. A good quality landscape, with its own characteristics can be adapted on its technical and functionality t
..从技术上讲,树木可以提供冷却效果,并能够以自己的方式降低环境温度。本文通过对城市树木冠层密度的评价,探讨单株和集群树木降温效应在改善城市小气候中的潜力。评估基于叶面积指数(LAI)和叶面积密度(LAD)的实际测量,并使用经过测试的计算机模拟工具ENVI-met。研究发现,每棵树在
中都有不同的能力。Introduction Energy has an infrastructural role at the industrial economy life of communities. That is, if enough energy is available at the right time, economic development would be possible. On the other hand looking at the previous problems shows that a major competition has existed at the worldwide campaign to seize power. Because the national security and the stability of governing systems largely depend on access to these resources, Iran is among the world's richest countries
..组织、机构以及制造业、服务业和农业的不同部门都在不断地做出决策。上述每个部门都有战略、战术和各种功能,在实现目标方面发挥着基本作用。另一方面,发展中国家的能源需求日益增加。准确计算发电厂每单位发电的成本并不容易。因此,本研究根据四种天然来源
..Introduction The quality and quantity of water are effect on any water supply planning. . A wide range of statistical analysis and interpretation were applied on groundwater data in recent years and this is due to huge number of physical and chemical variables ( Ali ,2010; Sanchez-Martos et al., 2001 and Suk & Lee, 1999 ). Cluster and factor analysis can applied to several fields of empirical investigation to study the quality of groundwater (Ma, et al., 2013). It
..对2011年水务局公开档案和样本中55口具有代表性的地下水样本进行了聚类和因子分析。除TC、TDS、PH等化学分析外,还分析了Na、Ca、K、Mg、CI、HCO3、SO4、NO3等12个水变量数据。研究发现有2个因素模型变化:因子1包括Na、k、Mg、Cl、EC、TDS、NO3、HCO3、Ca和SO4的浓度,因子2包括TC和PH。这两个fa
…Introduction Approximately half of people in the world live in urban areas. One important element for their well-being and quality of life is the availability of urban green space. There are different ways in which urban green space can positively influence well-being and health. However, in most urban areas, and particularly in inner-city areas, green spaces are in insufficient supply (Kabisch and Haase 2011). Individual countries and/or cities have begun to take an increasing resp
..本研究的总体目标是确定公园和城市绿地选址影响因素的重要性,并确定研究区域内公园的合适选址。 本研究的方法论为分析性描述性研究。首先通过文献法和德尔菲法提取公园选址的有效参数,然后与相关专家进行FAHP法的配对比较,确定s
。Introduction Rain is the most important phase of hydrologic cycle and prime requirement for living organism. It comes in different forms like fog, mist, drizzle, snow, sleet and glaze. The rain water in the form of soil moisture and groundwater are the most important requirements for agricultural production and social development in country like India where 68 per cent of total geographical are comes under the rainfed condition. India has adequate quantity water but uneven spatial distributio
..研究的目的是建立降雨预报模型。使用自适应神经模糊推理系统(ANFIS)开发乌代浦尔市降雨模型。两个数据集分别使用35年的天气参数,即湿球温度、平均温度、相对湿度和前一天和前移动平均周的蒸发量来准备案例1和案例2。采用高斯和广义贝尔隶属函数制备模式
。Introduction In the context of urban studies, a great number of terms and definitions refer to “urban green and open space” (UGOS) such as open space, green space, public space, and urban greenery. Parks and public gardens, as the most well-known UGOS, are associated with amenity green spaces, having a high quality of landscape design and maintenance. On the other hand, experimental green spaces are often referred to as green feel, which users consciously or unconsciously
..研究人员在实践和基础方面对城市绿色开放空间(UGOS)学科的发展做出了重大贡献。由于论文的引用次数反映了论文和作者的能力,因此我们浏览了在线科学网络(ISI),以确定1980年至2013年在UGOS领域被引用最多的100篇论文。分析论文的作者、期刊来源、出版商、机构、国家、出版年份、类别和作者keywo
。Introduction Historic urban landscape is a consequence of dynamic interactions and interrelationships between physical, ecological, cultural and social factors in a causality based dynamic system. This open system includes various levels of subsystems and over systems (Jokilehto, 2010). The historic urban landscape and the urban cultural landscape offer parallel terminology for the same resources. Historic urban landscape and urban cultural landscape both address the entire townscape ensem
..Introduction The brick kiln industries occupy a very significant place in the unorganised sector, confined mainly to rural and semi –urban areas. Small and medium sized traditional brick kilns are growing in cities of developing countries around the globe supplying the urban population with cheap construction material.1 Fired clay brick is one of the most important building materials in the country. There are no reliable estimates of brick makers in India. The current (2001
..砖工业是阿萨姆邦恰尔地区无组织的、农村的、小规模的工业,在整个地区的经济发展中起着重要作用。在研究过程中观察到,这些砖工业造成了大规模的环境问题,如土地退化、空气污染、水质退化和生物多样性丧失。本文研究了恰哈尔地区选定砖窑的水质及其在
期间的降解情况。Introduction Changes in the surface of land are primarily result of natural ecological processes and human activities. Studying about these changes requires an interdisciplinary approach that is conducted in the field of tension between social and natural sciences (Keken et al, 2015). Among the factors which are caused significant changes on the earths land surface the land use changes are very important and they are probably the main cause of changes in global environment. Nowadays in many r
..人口增长和丰富的活动,以实现最大的福祉,迫使人类对自然做出了很多改变。当这些变化对景观的破坏最小时,它们将具有成本效益。人类为获取水源和防止洪水而进行的活动之一就是在水流的轨道上筑坝。从大坝建坝到蓄水及蓄水后,生态系统状况和上游面貌
。Introduction The dispersion pattern of individuals in inhabitants illustrates their spacing correspondingly to each other. The altered species and populations of the same species can reveal different dispersion patterns (Mishra and Anshumali, 2014). In common, dispersion pattern have one of three fundamental patterns: random, uniform (evenly spaced or hyper-dispersed), or clumped (aggregated or contiguous). Species characteristics such as territoriality, social behaviours, dispersal ability,
..对Chhotanagpur高原萨尔森林原生树种分布格局的变化进行了研究,选取4个样地,每样地面积为1公顷,每样地间距为2 ~ 10 km。每个地块分为100个样方,每个样方的大小为10 m x 10 m。对每10 m × 10 m样方,测量并鉴定成树(胸围30 cm,胸高1.37 m)的种类数和密度。均匀分散的范围(77 ~ 89%)大于聚集的di
。Introduction Leh is the largest district in the country with an area of 45,100 Km2. Agriculture is the prominent occupation of the rural folk of the district. Naked barley, locally known as ‘grim’ is the major food grain crop of the district. Wheat, pulse, oil seeds and other millets are also grown in scattered areas. Whole of the cultivated area is irrigated and the source of irrigation water is mainly streams originated from glaciers. Both diurnal and seasonal v
..列城地区位于32-36度之间;北纬75-80度;列城是该国面积最大的地区,面积为45,100平方公里。农业是该地区农村人口的主要职业。对数据的初步分析显示,小麦种植面积从2003年开始增加。值得注意的是,大麦种植面积同时减少。这是通知
…Introduction During the extensive reforestation programmes, plantations of forest tree seedlings are being promoted in spite of their poor out planting performance. Among, initial seedling size or biomass of forest species has been related to post planting survival (Bargali and Bargali, 1999; Perez et al., 2007) to the ability to out compete other plant species and to the potential for new root production (Jobidon et al., 2003; Bargali and Singh, 1996). In addition, after disturbance, carbon
..在不同养分和水分有效度条件下,比较了板栎(Quercus leucotrichophora A. Camus)和赤松(Pinus roxburghii Sarg.)幼苗的生长和碳氮储量。幼苗施用4种养分(每kg土壤144、264、384和504 mg氮磷钾肥)和3种水分(间隔21 d、14 d和7 d)处理。在低水分条件下,两种树种的幼苗干质量均向高养分
方向递减。Introduction Aquatic biodiversity is one of the most essential characteristics of the aquatic ecosystem for maintaining its stability and a means of coping with any environmental change.1,2 Aquatic insects comprise a taxonomically diverse and ecologically important group of animals. They are also known to play a very significant role in the processing and cycling of nutrients as they belong to several specialized feeding groups such as shredders, filter feeders, depositor collectors
..以水生昆虫为生物指标,研究了印度阿萨姆邦邦盖冈地区漫滩湖Tamrangabeel的生态系统健康状况。Tamrangabeel水生群落有5目19科37种。所有样点的Shannon –Wiener多样性指数(Shannon Hꞌ)均小于1,表明湖泊处于扰动状态。半翅目是最大目,数量最多
。Introduction Decomposition refers to a biological process in which organically bound nutrients released in the form of free ions into the soil solution. Plants take up these nutrients from the soil, use them for metabolic process and return the nutrients through litter fall. Litter decomposition influence the nutrient dynamics of an ecosystem and serve as one of the input of nutrients in the forest ecosystem. It is estimated in a study that about 69-87% of the total annual requirement of esse
..本研究于2012-2013年在印度Nainital (Uttarakhand)的两个天然栎林中进行,以确定两种喜马拉雅中部栎树(即Quercus leucotrichophora A. Camus)凋落叶的失重模式。以及花栎(Quercus floribunda Lindl.))。本研究的结论是,在整个研究期间,体重下降持续进行,在将凋落物袋放入土壤后60天内相对较高。在这两种物种中,体重
较高。Introduction Biomedical waste is the unwanted materials generated during diagnosis, treatment, operation, immunization and research activities. These wastes are potential source of infections namely HBV, HCV, HIV, and tetanus. It has been estimated that around 1.45 kg waste is generated per patient per day in Indian hospitals (4.5 kg in developed countries).1 Out of this quantity about 15-20% of this total waste is hazardous,1 while in India the percentage might be much higher of la
..已经提到,对患者护理过程中产生的废物进行科学管理是必不可少的,也是一项法律责任 发电机的。不幸的是,在废物处理方面的自满和知识不足以及实践导致了各种各样的社区和个人健康和环境问题,这些问题对人类生活有害。本研究的目的是考虑科学知识及其实际应用[/p]。
Introduction India is in the list of fastest growing countries of the world. India's energy needs are also increasing due to population and industrial growth for improving quality of living style. In India, coal is major input infrastructure industries for example Power plants, Steel plants and Cement industries. India’s 52% of primary energy is coal dependent1. 66% of India's power generation depends upon coal production1. Fig
..印度是世界上发展最快的国家之一。 印度的能源需求也在增加,因为人口和工业的增长提高了生活质量。在印度,煤炭是基础设施行业的主要投入,例如发电厂、钢铁厂和水泥行业。印度52%的一次能源依赖煤炭。66% of India's power generation depends upon coal production1. Jharia Coalfield (JCF) is falling in
..Introduction Background The ecosystem comprises both biotic and abiotic components and the interactions between them. A well functioning ecosystem is integral to the existence of the living organisms. The ‘five basic elements’ central to the ecology is well stated in the Prasna Upanishad as “kshiti, jal, pawak, gagan, sameera; panch tatwa yah adham sharira”. This means soil, water, fire (energy), sky (space) and air, respectively, are integral part o
..目前的手稿是对印度一些众所周知的地表水体进行的研究的一个帐户,特别强调河流系统,以评估其质量状况。这篇综述涵盖了水质评估和导致水质恶化的来源的识别。对常用的物化、生物参数作为水质指标进行了较为深入的讨论。预防和控制水污染的一些可能的措施……
Introduction Fly ash is a waste material generates on the combustion of coal in power station throughout the world. The increasing amount of fly ash being generated from thermal power plants can pose a serious environmental threat (Nalawade et al., 2012). Fly ash contains major elements like Silica, Aluminum and Iron with significant amount of Calcium, Magnesium, Potassium, Phosphorous and Sulphur (Ivanova et al., 2011; Aswar, 2001). It also contain trace amount of some heavy metals like Moly
..火力发电厂燃烧煤炭产生大量的飞灰,这已成为一个重大的环境问题。火电厂在很大程度上面临着飞灰管理问题。露天倾倒粉煤灰会通过径流使地下水水质恶化。本次调查于2014年1月至2014年5月在Parichha热电厂附近6个地点采集地下水样本。样品被带到实验室分析
…Introduction Climate affects projects and is itself affected by the implementation of any large project. The climate effects are to be studied for developing this mutual relationship. The overall effect of this relation is crucial to be explored. The changes in the climate pattern are studied with respect to the change in the risk level introduced in the project. The study aims at developing the relationship between the climate changes and risk management. In most of the studies undertaken fo
..本文建立在项目风险与环境/气候变化相互影响的基础上。根据目前的研究,很少有作者研究这两种现象的影响。本研究收集了对不同作者的作品的文献综述,并确定了这些项目风险因素和气候/环境因素的测量标准。在此基础上,提出了一种统计方法来研究两者之间的关系。调查是
..Introduction Soil and water are the basic resources and these must be conserved as carefully as possible. The pressure of increasing population neutralizes all efforts to raise the standard of living, while loss of fertility in the soil itself nullifies the value of any improvements made. This calls for more systematic resource conservation efforts. It is well known to every farmer that it is the top soil layer, which sustains agricultural production. Once this layer is lost or eroded, nothin
..研究于2010-11年在中央邦Morena地区Morena区块的Bastpur小流域进行。评估流域发展计划对农业系统的影响。结果表明,研究区总体流域开发实践在巴吉拉和阿哈尔的农业面积、克兰和阿哈尔的种植生产力、土地利用、土地资源利用、水资源利用和牲畜利用等方面均因可利用性的增加而发生了积极有效的变化。
Introduction The effect of agricultural practices on soil fertility is growing concern in many parts of the world. In the recent years, agricultural practices were increasingly shifted towards forest and very steep slopes of mountains for meeting the increasing demand of household food. The natural cycle of a watershed is usually altered whenever native vegetation replaced by agricultural plants; and leads nutrients to be easily transported by runoff and sediments. Intensive agriculture for h
..为探讨降雨、径流、土壤流失和养分流失之间的关系,对印度北阿坎德邦Roorkee地区的农田进行了研究。在季风期间(2013年6月至2013年9月),记录了12个农业径流地块(甘蔗、玉米、黑克和休耕地四种土地利用方式,每种土地利用方式坡度分别为5%、3%和1%)产生的自然降雨径流和土壤流失量。最高gr
..Introduction Groundwater resources are highly essential to the survival of human beings, particularly in areas where other sources of potable water are lacking. However, many sources of contamination contribute to the impairment of this precious resource. The major sources of spot and dispersive contaminants arising from human activities on the ground and penetration of these contaminants into the ground tend to reduce the quality of the ground water. Therefore, preventing the ground water fr
..良好的地下水质量对作物产量、土壤生产力和环境保护至关重要。地下水是否适合灌溉是由其地球化学特征决定的。地下水地球化学解释了地下水化学成分与地下地质和非地质污染物之间的联系。地下岩层控制着土壤的组成,因此也控制着水和植被的组成。分析了地下水样品的理化参数l
。Introduction Water is renewable natural resource of earth and sustains the needs of all living creatures in the world1 and health depends on the availability of drinking water. It is considered a basic human right and a part of effective policy2 for protection of health. Groundwater is one of the major sources of drinking water in both urban and rural India and the quality comprises the physical, chemical, and biological properties of ground water. Quantity and Quality Management3 of groun
..人类需要饮用水来保持健康。清洁、安全和充足的淡水对所有生物的生存至关重要。饮用水由于存在各种溶解的化学成分而影响人类的健康。由饮用水中的化学成分引起的问题不同于微生物污染问题。因此,消费者至少应该对饮用水质量有最起码的了解。人们穿过t
..Introduction Water is one of the most important natural resource required to all living organisms. Its diversified uses include drinking, cooking, washing, irrigation and industrial activities (Rathore et al., 2014). Recently, water pollution is main problem because of uncontrolled urbanization which is due to sewage effluent disposed into water bodies and leads to the adverse effect on living organism (Tamil Selvi et al., 2012). Due to such problems the main global agenda is environmental ma
..本研究探讨了细菌处理城市污水的潜力。本研究共分离了8株在废水琼脂培养基上生长的细菌。经形态学和生化鉴定,这些分离株分别为地衣芽孢杆菌NW16、铜绿假单胞菌NS19、假单胞菌sp. NS20、盐碱Planococcus NS23、嗜麦芽窄养单胞菌NS21、芽孢杆菌sp. NW9、北方芽孢杆菌NS3和
。Introduction Urmia Lake is an internationally registered protected area in Ramsar contention by UNESCO as biosphere reserve in 1971 and 1976. Urmia Lake hosts about 212 different types of bird species and is the only habitat of Artemia Urmiana. In recent years, human activities such as river damming, excessive water withdrawals and construction of Shahid Kalantary causeway in the middle of the lake have adversely affected the natural regime and water salinity of the lake. Recent prolonged dro
..伊朗西北部的乌尔米亚湖是一个高盐水体,已经成为一个重要的环境问题,特别是由于一种罕见的水生物种乌尔米亚蒿的存在。在过去的三十年里,几个相当大的人为变化,包括河流筑坝和跨越湖泊的堤道的建设,影响了湖泊的盐度。本文旨在提出一种基于MIKE21模拟模型的降阶模型的盐度建模新方法,见con
。Introduction Water has profound influence on human health.1,2 Every individual requires a minimum amount of water per day for survival and in other words without water life is just impossible on earth. Therefore human health broadly depends upon quantity and quality of water supplied to them.3 Thus whenever we talk about improvement of public health, the issues like accessibility of quality drinking water, microbiological quality of water, quantity of water available for mass populat
..饮用水质量一直是一个敏感问题,因为砷、氟化物等污染物过量会对健康造成严重危害。饮用水中的砷会对人的身心健康造成危害,甚至可能导致癌症和对血管和心脏的损害。这也可能导致生殖问题和出生缺陷。众所周知,印度的几个邦受到砷污染的水的影响,导致严重的疾病。北方邦,比哈尔邦,贾坎纳德,W
…Introduction Sustainability reporting is not limited to any specific country and is followed in both developed and developing countries. Over 80 percent of companies worldwide now publish sustainability reports (KPMG, 2008) and more than half of the world’s 250 largest companies issue sustainability reports (White, 2005). As a result, considerable research work has been devoted to examine the reason for their development and their relevance to improving their accountability towards
..如今,可持续发展报告可用于营销中的沟通目的,并显示公司的透明度(Kolk, 2000)。这些类型的报告由组织发布,以披露更多的非财务业绩信息。这些报告强调了公司对利益相关者的承诺。世界各地的各行各业开始通过使用各种不同类型的框架(如道琼斯指数)披露非财务业绩(可持续发展报告)。
Introduction In Many developing and under developing countries are facing water problems due to lack of clean supplied water. It is reported that more than 1.1 billion people are suffering health problems for consuming unsafe water.1,2 About 74% of India’s total population, currently about 1.25 billion, live in rural areas. More than one third of the water available to them is not potable. In a grim reminder that poor quality of drinking water leads to serious health problems.3&
..对一种有效的生物沙过滤器的设计、构建和评价进行了研究。采用竹、椰子、木材等不同类型的混合木炭和碳垫作为重要的过滤介质,对生物砂滤池进行了改性。过滤器由碎石、沙子、碳垫和木炭组成,共七层,负责过滤过程。过滤后的水每隔20分钟进行一次分析。原水经竹时pH值为6.12,
。Introduction Rizipisciculture, rearing fish along with paddy is a sustainable system involving concurrent harvesting of paddy and fish as a unit reaping multiple benefits. Paddy cultivation is a major agricultural operation in many of the northern, north-eastern and south-eastern coastal states of India. Large areas otherwise remaining unused because of water logging can provide natural habitat for various kinds of fish. Thus, the proposition of rearing fish and raising fish nurseries, in sp
..稻田养鱼的广泛研究已经列举了各种生物和生态优势;最重要的是有效的生物杂草和害虫控制,减少污染和环境的可持续性。其他优点包括增加土壤中的离子含量,扩大水稻植株的叶面积和根系活动,并有助于克服农村贫困人口饮食中的蛋白质缺乏症。其他副产品是鱼的排泄物作为肥料和转换器
..Introduction The production system adopted during Green Revolution has been explorative and the natural resources like soil and water were subjected to exploitation, as a result sustainability of agricultural production system has been jeopardized. This suggests the integration of land-based enterprises viz. dairy, fishery, poultry, duckery, apiary, field and horticultural crops within the farm, with the objective of generating adequate income and employment for the small and marginal farmers
..在印度,在边际和小农类别下,农业社区占80%。这些类别下的农民经济贫困,在多样化、易风险的环境中工作,几乎不足以维持家庭生计。人均土地拥有量的下降趋势对农业的可持续性和盈利能力构成了严重挑战。考虑到该可行的生产系统的有效性,在有目的地选择池塘
进行了研究。Introduction The history of Human civilisation reveals that water supply and civilisation are almost synonymous. Water plays a vital role in our life. It is most abundant and useful solvent in nature, 80 % of the earth crust is covered with water. The quantity available for actual use in the form of rivers, lakes, and wells pond is hardly 0.5 % of the world water resources. Rapid industrialisation and urbanisation requires transport through vehicle as an essential part for development and pro
..对国道附近的污染水样进行了理化分析。采用标准分析方法测定pH、TDS、BOD、COD、DO等参数及不同重金属含量。结果表明,随着离NH距离的增加,废水污染负荷减小。除NH外,受污染的水体污染物负荷较高。污染的水含有更多的污染物,如果没有得到适当的处理,就会成为土壤等其他污染物的来源。
Introduction Water is one of the abundantly available substance in the nature next to air. Water is considered as a very dilute solution of number of chemicals essential for maintaining equilibrium in biochemical reactions taking place in all living organisms in order to maintain the physiology. Water quality as well as quantity crisis is the burning issue all around the world and raise a big challenge as the groundwater as use as drinking purposes become very scare in the world. Water scarci
..不同地点地下水的化学行为是目前世界上最具活力的研究领域之一。本研究对Matsya Nagar、Bhiwadi、Neemrana和Behror四个工业区的地下水进行了采样,目的是评估地下水化学成分并解释地下水类型。是用希尔派珀和威尔科克斯图绘制的。通过检测主要阳离子、阴离子和其它par
来评价其化学质量。Introduction The performance of cultivars of any crop species has interregional variation under a given set of agro-climatic conditions and was estimated to be reduced by 69% on average when plants are exposed to unfavorable environment.1 Out of various environmental factors effecting the crop production and productivity, available water is the most crucial. Water deficit have negative impact on plant growth and reproduction due to its influence on many cellular and whole plant funct
..由于外界环境因素的影响,所有植物都表现出对胁迫的耐受性,但在胁迫强度上存在种间差异。本研究旨在比较评价不同植物品种在相似水分胁迫条件下的形态和解剖变化及其对影响其生长性能的生理过程可能产生的影响。从形态变化、叶片解剖、水分状况和产量变化等方面进行了研究。
Introduction Coal mining industry now uses modern technology with powerful and high capacity machinery so as to increase coal extraction capability at the cost of large amount of dust, gases, etc. spewed into the atmosphere, thereby degrading quality of air. These pollutants have harmful consequences not only on the mine workers, but also, depending on the meteorological conditions, on the human settlements, agricultural lands and live stocks in the nearby areas. Particulate matter is the
..在Jharia省Rajapur露天矿按照标准准则进行了系统的空气质量评估研究。SPM、PM10和PM2.5的平均浓度分别在294 ~ 965 μ g/m3、100 ~ 498 μ g/m3和85 ~ 296 μ g/m3之间。SO2和NOx浓度分别在48.2 ~ 98.2 μ g/m3和32.8 ~ 149.39 μ g/m3之间。PM10中微量金属的浓度,如铅、镍、
…Introduction Flood quantity is used in design of hydraulic structures, which are affected by hydrological events considering factors such as structural safety, lifetime and probable damage. This quantity is also called design flood. Calculating design flood for large dams is considered as one of the most important steps in dam engineering studies. Comparing the damages resulting from dam failure with the profits gained by constructing them and their optimize utilization shows the high sensiti
..术语“异常值”;通常用于指单个数据点,似乎明显偏离其他数据的趋势。异常值分为三种类型:不正确的观测值,与其他最大值基本相同的现象引起的罕见事件,以及由不同现象引起的罕见事件。首先对完整的数据序列(包括异常值)进行洪水频率分析,然后对去除异常值的序列进行洪水频率分析。Re < / p > . .
Introduction Soybean being a high protein and energy crop and its productivity is often limited by the low availability of essential nutrients or imbalanced nutrition farming is one of the important constraints to soybean productivity in India. Hence a balanced nutrients application is must to harness the potential productivity of the crop. Integrated nutrient management (INM) involves the use of manures, bio-fertilizers and chemical fertilizers to achieve sustained crop production and mainta
..本试验采用随机区组设计,包括6个处理,即(T1)-绝对对照,(T2)-农民实践(50kg DAP/ha),(T3) RDF+ ZnSO4@25 kg/ha+钼酸铵1.0g/kg种子+松弛lime@25Kg Ca(OH) 2 /ha,(T4)-RDF+ ZnSO4@25 kg/ha+松弛lime@25Kg Ca(OH) 2 /ha+根瘤菌+PSB(@每5g/kg种子)+钼酸铵1.0g/kg种子,(T5)-50%RDF+ ZnSO4@25 kg/ha+ FYM & nbsp;2.5 t/ha+松弛lime@25Kg Ca(OH) 2 /ha+根瘤菌+PSB(@每5g/kg种子)+铵Mo
..Introduction Soybean being a high protein and energy crop and its productivity is often limited by the low availability of essential nutrients or imbalanced nutrition farming is one of the important constraints to soybean productivity in India. Hence a balanced nutrients application is must to harness the potential productivity of the crop.Integrated nutrient management (INM) involves the use of manures, bio-fertilizers and chemical fertilizers to achieve sustained crop production and maintai
..本试验采用随机区组设计,共6个处理。以JS 95-60为试验品种在粘壤土中进行试验。土壤和植物样品的分析按标准方法进行。本试验于2013年秋季在瑟霍尔r.a.k.农业学院(M.P.)研究农场52号田进行。2014 The experimental site having fairly uniform topography with normal fertility status. The effect of integrate
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