当前世界环境 www.a-i-l-s-a.com 当前世界环境 en - us 瓦鲁德地区井水中氟含量在铁壳上的平衡吸附研究 //www.a-i-l-s-a.com/vol7no2/equilibrium-sorption-studies-for-fluoride-content-in-drinking-water-of-bore-wells-of-warud-region-on-ferronia-elefuntum-fruit-shell/ 2012-12-10 2018-12-25 同Chaudhari 卷7,问题2

Introduction  Warud is a Taluka place located on the border of Maharashtra and M.P. States. It is situated at the base of satpuda Ranges and covered by dense woods with many medicinal plants and water bodies. It is famous for oranges and commonly known as "California of Vidarbha". The major crops of the district is 'Oranges'. The famous historical and holy place salbardi is only 30Km, away from Warud. The main water supply is from Uppar Wardha Dam an...

Warud地区的农业和家庭用水主要来自上Wardha和Shekhadari大坝水。即便如此,大部分地区的居民还是主要依靠井水来生活和农业,尤其是在夏季。因此存在大量的井眼。2011年5月对Warud附近选定的井水进行氟化物含量分析。研究表明,氟的浓度在允许的限度

博帕尔Gandhinagar地区饮用水中MPN物理化学评估和氟化物分析的季节变化研究 //www.a-i-l-s-a.com/vol7no2/a-study-on-seasonal-variation-in-the-physico-chemical-assessment-of-mpn-and-fluoride-analysis-of-drinking-water-of-gandhinagar-area-of-bhopal/ 2012-09-26 2018-12-25 h·c·卡塔利亚,s·安波尔 卷7,问题2

Introduction Bhopal the capital of Madhya Pradesh territory the largest state of India. Bhopal is situated on 23°16'N Latitude and 77°25' Longitude and is located on Hard pink sand stone of Vindhya region Fluoride concentration in India, creates health problems and fluorosis. The disease previously called as "Mottled teeth" reported in Madras City (1933). Most of the population of 18 states out of 35 states in India are well affected with dent...

采用选择性氟离子电极对博帕尔Gandhinagar附近村庄不同采样点的氟化物浓度进行了测定。大肠菌群/ mpn的测定饮用水样本&从amp;收集,

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Sarvar Devla糖厂废水的分析和理化参数研究 //www.a-i-l-s-a.com/vol7no2/analysis-and-physico-chemical-parameters-of-sarvar-devla-sugar-mill-studies-of-effluents/ 2012-09-27 2018-12-25 Janeshwar Yadav, R. Pathak 卷7,问题2

Introduction&nbsp; The recent studies have indicated that the water bodies becoming increasingly Contaminated due to the domestic and industrial wastes. The effluent discharge from sugar Mill consists of a number of chemical pollutants that can bring about changes in temperature, Humidity and oxygen supplies amounting to a partial or complete alteration in the physical, chemical and physiological sphere of the biota. Such changes disrupt the ecological cycle of Living organisms. Further, ...

对新立糖厂废水的理化特性含量进行了探讨。理化参数如颜色、气味、温度、pH值、电导率、COD、BOD、碱度、总硬度、Ca+2、Mg+2、氯化物、of&从磨厂出口到排放点之间的各个地点收集的废水已被确定
博帕尔Gandhinagar地区饮用水质量的季风前后物理化学评估 //www.a-i-l-s-a.com/vol7no2/pre-and-post-monsoon-physico-chemical-assessment-of-drinking-water-quality-of-gandhinagar-area-of-bhopal/ 2012-09-29 2018-12-25 h·c·卡塔利亚,s·安波尔 卷7,问题2

Introduction The history of human civilization reveals that water supply and civilization are almost synonymous. several cities and civilizations have disappeared due to water shortage originating from climatic and other changes. The absence of water has resulted in the absence of life on the moon. Water, The nectar of life is one of the most important natural resource for all living organisms, whether unicellular or multicellular ,since it is required for their various metabolic activities. ...

对博帕尔甘地纳加尔地区饮用水质量的物理化学评估在季风季节前和后的2011-2012年在各个站点进行了评估。对温度、pH、BOD、COD、EC、游离CO2、T-H、Ca-H、Mg-H、总碱度进行了分析。amp的,,本研究对公共卫生和公共利益具有重要意义 有机聚合物在工业废水预处理中的适用性研究 //www.a-i-l-s-a.com/vol7no2/studies-in-the-applicability-of-organic-polymer-for-pretreatment-of-industrial-waste/ 2012-09-28 2018-12-25 Dhananjay Dwivedi, K. Yadav, Vijay R.Chourey 卷7,问题2

Introduction waste effluents coming out from the Process industries creating lot of environmental problems. Waste effluent from metal plating, refining, battery and power source are found to have varying degree of contaminants with high toxicity.1&nbsp;There are various methods and techniques available for treatment of toxic waste to maintain the toxic material below the prescribed disposable limit. However, these techniques suffer the load of physical and chemical pollutants. For the fa...

在实验室制备的电镀废液中,研究了以聚电解质形式存在的有机聚合物作为去离子器前处理材料的适用性。有机高分子絮凝可以减少废弃物中单独或共同存在的金属离子和非金属离子的负载。研究了TDS和溶解氧浓度的变化。本文还介绍了pH值对絮凝过程的影响。< / p >
重金属在两个湖泊生态系统不同组分中的生物积累 //www.a-i-l-s-a.com/vol7no2/bioaccumulation-of-heavy-metals-in-different-components-of-two-lake-ecosystem/ 2012-09-19 2018-12-25 AMIYA TIRKEY, P. Shrivastava, A. Saxena 卷7,问题2

Introduction Contamination of aquatic ecosystems by heavy metals has been observed in sediment, water and aquatic flora and fauna (Forstner and Whittmann, 1983). &nbsp;Different aquatic organisms often respond to external contamination in different ways, where the quantity and form of the element in water, sediment or food will determine the degree of accumulation (Langston &amp; Spence, 1995). Heavy metals entering the aquatic ecosystem originate from different sources such as decay ...

采用原子吸收分光光度法测定了2个不同湖泊沉积物、水体和鱼类中重金属(Cu、Cd、Ni、Fe和Pb)的生物累积量;淡水和污水,即博帕尔的上湖和沙普拉湖,(M.P.)印度。污染湖泊中除铅外,其余微量金属含量均高于淡水湖。

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工业废水用于农业用途:印度比卡内尔市蔬菜中的铅和镉 //www.a-i-l-s-a.com/vol7no2/use-of-industrial-waste-water-for-agricultural-purpose-pb-and-cd-in-vegetables-in-bikaner-city-india/ 2012-09-24 2018-12-25 Rajendra Singh, R. Verma, Yogita Yadav 卷7,问题2 < p >介绍,,水位下降和水资源短缺是世界范围内的一个重大问题。为了农业目的,这个问题导致使用其他水源。这些水源大多受到采矿、纺织、化工等各种行业倾倒废物的影响。因此,该废水可能含有许多有机有毒物质,可能对人体健康产生有害影响。另外,技术的发展也使我们的生活更加幸福 灌溉水资源的短缺导致生活和工业废水用于农业。特别是在城市地区。这些废水受到金属和各种有毒化学品的污染,导致重金属和危险化学品的接触,并随后通过农产品和活牲畜对人类健康造成危害。癌症和肾脏问题的增加也与这方面有关。本研究采用con

>对人体健康风险进行评估
利用地理信息系统研究印度马哈拉施特拉邦浦那市部分选定地区地下水质量的空间分布 //www.a-i-l-s-a.com/vol7no2/spatial-distribution-of-ground-water-quality-in-some-selected-parts-of-pune-city-maharashtra-india-using-gis/ 2012-09-26 2018-12-25 Suvarna Tikle, M. Saboori, R. Sankpal 卷7,问题2

Introduction Groundwater resources are dynamic in nature. These are affected by factors such as, the expansion of irrigation activities, industrialization and urbanization. Hence, monitoring and conserving this important resource is essential. The quality of water is defined in terms of its physical, chemical and biological parameters. Ascertaining the quality of groundwater is crucial before its use. Water may be used for various purposes such as drinking, agricultural, recreational and indu...

浦那是印度主要的发展中城市之一;随着邻近的村庄如aunh、Baner、pshan和Sutarvadi被并入浦那市政公司(PMC),它的面积正在迅速扩大。大多数人将地下水作为其家庭需求的主要来源,而PMC则向他们提供处理过的水。地下水质量评价是现代的一个重要问题。部分地区地下水水质空间变化特征
克什米尔藏红花提取物服务于人类和现在的地面实相 //www.a-i-l-s-a.com/vol7no2/extracts-of-kashmiri-saffron-in-service-to-human-race-and-present-ground-realities/ 2012-09-28 2018-12-25 MOHAMMAD IMRAN KOZGAR, Neelofar Jabeen 卷7,问题2

Introduction Cancer represents the largest cause of the mortality, which claims over 6 million lives each year, in present world (Abdullaev 2012). Insensitivity of cancer types to most of the oncological therapies such as chemotherapy, radiotherapy and immunotherapy (Ghaneh et al. 2007, Sarkar et al., 2007) has forced to strengthen new therapeutic strategies to combat this deadly form of disease.&nbsp; A promising strategy to cure cancer is chemoprevention through natural agents. Natural ...

克什米尔山谷以生产高质量的藏红花(Crocus sativus L.)而闻名,是世界主要藏红花产区之一。藏红花传统上被用于制备当地药物和作为一种染料。藏红花植物部分的提取物被用于化妆品和许多药物治疗不同的疾病。在本文件中,讨论了在克什米尔山谷种植的藏红花及其部分的潜在作用,以及癌症等疾病 可居住城市地区的风场变化 //www.a-i-l-s-a.com/vol7no2/wind-field-modifications-in-habitable-urban-areas/ 2012-09-25 2018-12-25 Seemi Ahmed, Alka Bharat 卷7,问题2

Introduction Urban areas and inhabitants of cities tend to increase. Nowadays, about half of the world total population live in urban settlements. This large number of dwellers produce variety of activities and modify urban air quality and pattern.Urban wind flow is driven by a deep, stratified urban boundary layer with significant wind fluctuations. Solar heating effects include shadows from buildings and trees, aerodynamic drag, heat exchange affected by the surface property variations and ...

本文讨论了城市风场环境评价的不同标准及其与野外观测的关系。还讨论了在规划过程中纳入风环境研究的重要性。建筑环境对风速和风向的影响越来越大,这使得任何对50米以下高度的预测都非常危险。在粗糙度非常高的地方,有更多的建筑形式的区域会增加。

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曼尼普尔英帕尔河大英帕尔地区肠病原菌分布格局 //www.a-i-l-s-a.com/vol7no2/distribution-pattern-of-enteropathogens-in-greater-imphal-area-of-imphal-river-manipur/ 2012-09-18 2018-12-25 TH. ALEXANDER SINGH, L BIJEN MEITEI, Sanamacha Meetei 卷7,问题2

Introduction The increasing anthropogenic activities in and around the aquatic ecosystems and their catchments areas in recent years, have contributed to large scale mineral enrichment and incidence of many pathogenic micro-organisms in different water bodies. Besides, many major water bodies are being degraded due to continuous heavy discharge of untreated waste and surface run-off, causing deleterious effects in flora and fauna and other aquatic organisms (Sah et al., 2000). The distributio...

作为水质文件的一部分,在曼尼普尔大英帕尔地区的五个不同地点对英帕尔河水中的肠病原体进行了调查,为期一年,每月一次。肠道病原菌密度在雨季高,夏冬季节低。不同细菌的存活程度受各种环境因素和人类活动的影响 印度东北部阿萨姆邦瑙工区鹿鸣镇生活用水TDS和电导率的发生 //www.a-i-l-s-a.com/vol7no2/the-occurrence-of-tds-and-conductivity-of-domestic-water-in-lumding-town-of-nowgong-district-of-assam-n-e-india/ 2012-09-24 2018-12-25 M.K Paul, Sujata Sen 卷7,问题2

Introduction Water- the elixir of the life system and without it life cannot exist. The diverse uses of water for drinking, cooking, washing, bathing a lot of other purposes. The presence of safe and reliable drinking water is an essential prerequisite for a stable community. So quality of water is to be determined for a locality of various purposes. Water covers about 71 percent of the earth&rsquo;s surface and it is abundant natural resource on the earth. It includes various resources s...

总溶解固体(TDS)和电导率是决定水质的重要参数。TDS的季节变化主要是由于水体的离子组成。研究了陆鸣镇2001年5月至2004年4月TDS和电导率的季节变化。结果表明,挖井、环井和池塘的TDS最高,而河水和供水的TDS比较明显
昆虫多样性和水质参数的Chatla湿地,巴拉山谷,阿萨姆邦 //www.a-i-l-s-a.com/vol7no2/insect-diversity-and-water-quality-parameters-of-two-ponds-of-chatla-wetland-barak-valley-assam/ 2012-09-27 2018-12-25 Pinki Purkayastha, Susmita Gupta 卷7,问题2

Introduction&nbsp; Among different ecosystems, wetlands constitute one of the most important ecosystems for man offering numerous regulating services. Water quality assessment of small water bodies of the wetlands are of immense importance in the management of fisheries, water supply, and irrigation. Pollution status of water bodies are usually expressed as biological and physico-chemical parameters.1&nbsp;Several authors have extensively documented the responses of macro-invertebrate...

对阿萨姆邦巴拉克山谷的Chatla泛滥平原的两个池塘进行了调查,特别提到了水生昆虫。池塘1是一个纯粹的鱼塘,而池塘2也是一个社区池塘。本研究揭示了两种池塘的水质状况,以及水生昆虫的多样性、密度、优势度和丰度。2 l

塘的理化指标均在允许范围内,但2 l

塘的理化指标均在允许范围内
伊朗库尔德斯坦省农村地区浅层地下水砷、硝、磷污染评价 //www.a-i-l-s-a.com/vol7no2/assessment-of-arsenic-nitrate-and-phosphorus-pollutions-in-shallow-groundwater-of-the-rural-area-in-kurdistan-province-iran/ 2012-09-20 2018-12-25 Zahed Sharifi, Ali Safari Sinegani 卷7,问题2

Introduction The rule of water quality on human health is well known and recently attracted a great deal of interest. Many water quality problems have been identified and addressed in the past from several parts of the world.1&nbsp;According to Nature (2010) about 80% of the world&#39;s population (4.8 billion in 2000) lives in areas with threats to water security.2&nbsp;Most cases of waterborne diseases and related deaths occur in developing nations are directly due to unsafe wat...

由于砷(As)污染和农业发展,伊朗库尔德斯坦Qorveh平原农村地区的水资源质量面临着严峻的挑战。因此,在该地区收集了25个浅层地下水样本(来自14个家庭和11个农场),目的是评价其作为饮用水的质量。对水样的pH值、电导率(Ecw)、As、Mn、Fe、Ca、Mg、Na、K、NO3、P、Cl、HCO3、SO4、Si、总硬度(TH)和总溶出度(disso)进行分析
吡啶功能化TiO2纳米颗粒吸附剂用于超痕量钯离子的预富集和测定 //www.a-i-l-s-a.com/vol7no2/pyridine-functionalized-tio2-nanoparticles-as-a-sorbent-for-preconcentration-and-determination-of-ultra-trace-palladium-ion/ 2012-09-21 2018-12-25 Mohammad Karimi, Mona Feiz, Forouzan Aboufazeli, Hamid Reza, Omid Sadeghi 卷7,问题2

Introduction Increasing demand for noble metals, particularly platinum group metals (PGM), such as palladium(II), platinum(IV), ruthenium(III), rhodium(III) has been recently observed because of their wide range of industrial applications, e.g. as catalysts in organic processes, value added components in metal alloys and vehicle catalytic converter systems, in chemical, pharmaceutical, petroleum and electronic industries and also in jewellery making. These applications of PGMs have increas...

采用吡啶基团对TiO2纳米粒子进行了改性,并通过扫描电镜(SEM)、x射线衍射(XRD)、红外光谱(FT-IR)和元素分析(CHN)对其进行了表征。在火焰原子吸收光谱法(FAAS)测定超痕量钯之前,用该吸附剂对其进行预浓缩。通过本研究,不同因素如样品pH值、样品流速、洗脱液参数(类型、浓度和体积)、洗脱液流速均为最佳

和的结构性质、自然键轨道、理论泛函计算(DFT)和能量Halorganic化合物 //www.a-i-l-s-a.com/vol7no2/structural-properties-natural-bond-orbital-theory-functional-calculations-dft-and-energies-for-the-alpha-halorganic-compounds/ 2012-09-25 2018-10-24 Najla Seidy, Shahriar Ghammamy 卷7,问题2

Introduction Organic halogen alkane compounds or halocarbon compounds are chemicals in which one or morecarbonatoms are linked by covalent bonds with one or more halogenatoms (fluorine, chlorine, bromine or iodine - group 17) resulting in the formation of organofluorine compounds, organochlorine compounds, organobromine compounds, and organoiodine compounds. Chlorine halocarbons are the most common and are called organochlorides. Many synthetic organic compounds such as plasticpolymers, and a...

本文利用基于lanl2dzset的DFT (B3LYP)方法计算了c3h2f4br2的最优固定点几何构型、频率和最小能量路径。B3LYP/ lanl2dzp计算结果表明,C3H2F4Br2.

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尼日利亚纳萨拉瓦州UKE河的水、鱼和沉积物中重金属的评估 //www.a-i-l-s-a.com/vol7no2/assessment-of-heavy-metals-in-water-fish-and-sediments-from-uke-stream-nasarawa-state-nigeria/ 2012-09-19 2018-12-25 O. Opaluwa, M. Aremu, L.O . L.OGBO, J. I. odiba, E. Ekpo 卷7,问题2

Introduction Over the last few decades, there has been growing interest in determining heavy metal levels in the marine environment and attention was drawn to the measurement of contamination levels in public food supplied, particularly fish.1-3&nbsp;Although heavy metal is a loosely defined term,4&nbsp;it is widely recognized and usually applied to the wide spread contaminants of terrestrial and fresh water ecosystems. Some examples of heavy metal include lead, zinc, cadmium, copper ...

测定了两种鲶鱼不同部位的铅、锌、铜、铁、锰、镉和汞的含量;来自Uke河的水和沉积物样本采用原子吸收分光光度计(AAS)法。结果表明,铁(Fe)在沉积物和水中的浓度最高,平均分别为8.78 mg/g和7.51 mg/l,其次是Zn,分别为4.79 mg/g(沉积物)和3.19 mg/l(水),wh

生物柴油和发动机负荷对直喷柴油机某些排放特性的影响 //www.a-i-l-s-a.com/vol7no2/effects-of-biodiesel-and-engine-load-on-some-emission-characteristics-of-a-direct-injection-diesel-engine/ 2012-09-18 2018-12-24 Alireza Shirneshan, Morteza Almassi, Barat Ghobadian, Ali Borghei, Gholamhassan Najafi 卷7,问题2

Introduction In recent years, the demands for energy have grown very quickly due to the rapid development of certain growing economies, especially in Asia and the Middle East. Biofuels such as alcohols and biodiesel have been proposed as alternatives for diesel engines.1,2,3&nbsp;Especially, the environmental issues concerned with the exhaust gases emission by the usage of fossil fuels also encourage the usage of biodiesel, which has proved to be ecofriendly far more than fossil fuels. In...

本研究以生物柴油为替代燃料的4缸直喷柴油机为实验对象,研究了在发动机转速为1800转/分钟时,发动机在四种负载(25%、40%、65%和80%)下的排放特性。以废煎炸油为原料,以B20、B40、B60和B80四种不同的柴油/生物柴油为燃料,对发动机进行了燃用试验,并对试验结果进行了分析。生物柴油的使用

环境样品中镉(II)离子的测定:电位传感器 //www.a-i-l-s-a.com/vol7no2/determination-of-cadmium-ii-ions-in-environmental-samples-a-potentiometric-sensor/ 2012-09-22 2018-12-24 Mohammad Karimi, Forouzan Aboufazeli, Hamid Reza, Omid Sadeghi, Ezzatollah Najafi 卷7,问题2

Introduction Cadmium is a trace heavy metal of great importance in environmental protection since it is a highly toxic element.1 Determination of cadmium in environment samples is so important as this element exist in environment samples as a contaminant originating from industrial or urban waste pollution. &nbsp;As a result of high toxicity even at low concentrations, and various matrix interferences in real samples, developing an accurate, precise and selective method for cadmium determ...

采用双硫腙功能化的多壁碳纳米管修饰传感器电极。该电极用于痕量镉离子的测定。电极组成为石墨粉67%,石蜡23%,改性MWCNTs (W/W) 10%。铅(II)的线性范围为1.8 × 10-7 ~ 1.0 × 10-4 × mol l - 1,检出限为1.0 × 10-7 × mol l - 1。电极寿命为12周

评估气味对植物油加工厂附近的贸易及服务中心的影响 //www.a-i-l-s-a.com/vol7no2/assessment-of-odor-annoying-impacts-on-trade-and-serving-centers-close-to-a-vegetable-oil-manufacturing-plant/ 2012-09-21 2018-12-22 Mohammad Reza Monazzam, M.Avishan , M.Asghari , M. 卷7,问题2

Introduction The air around us contains aromatic compounds originated from citizens&#39; daily activity in residential, trade and industrial areas which create the modern societies. Daily exposure to odor pollution is a part of modern life.1&nbsp;Odor&nbsp;is generally defined as the feeling caused by chemical compounds which are called odorants while being perceived by stimulating the sensory receptors of smell.2&nbsp;Odor is a combination of one or more volatile chemical com...

不同来源的环境气味污染对社区产生不良影响;健康和福利在全世界引起越来越多的公众担忧和抱怨。Pars植物油加工厂(PVOPP)位于德黑兰居民区附近;因此,许多人每天都暴露在植物过程中难闻的气味中。为了评估气味对附近商业中心的影响,采用了一项社会调查。在5 < / p >