当前世界环境 www.a-i-l-s-a.com 当前世界环境 en - us 亚穆纳河河床沉积物重金属含量季节变化研究 //www.a-i-l-s-a.com/vol4no2/study-of-seasonal-variation-of-heavy-metal-concentrations-in-bed-sediments-of-yamuna-river/ 2009-12-21 2018-11-09 P.K.S. CHAUHAN, R.K. PALIWAL 卷4,问题2

Introduction Heavy metals are essential trace elements for living organisms but accumulation of these elements such as Fe, Zn, Pb, Cu and Cd in living cells pose toxic effects.1,2 Therefore heavy metals fall into priority pollutants list of water quality classifications.3 Heavy metal can enter river system through natural sources such as soil erosion and anthropological activities such as discharge of waste waters with heavy metal contents, which can be generated through ind...

本文研究了印度北部亚穆纳河河床沉积物中重金属浓度随流速的变化规律。本研究于8月至4月期间从不同地点采集了5个不同的沉积物样品,并对其进行了分析。并与美国国家海洋和大气管理局(NOAA)进行了比较。亚穆纳河存在Cd、Pb、Zn等重金属污染。他的污染

Sehore镇饮用水(地表水和地下水)质量与人类健康的关系(印度) //www.a-i-l-s-a.com/vol4no2/quality-of-drinking-surface-and-sub-surface-water-in-relation-to-human-health-of-sehore-town-m-p-india/ 2009-10-28 2018-10-29 Rachna Sharma, Anand Sharma, D.R. Tiwari 卷4,问题2

Introduction Now a day's ground water is primar y sources of drinking water. The quality of ground water depends on the ion, which are dissolved in ground water. The major ions which are responsible to maintain the quality of ground water are carbonate, bicarbonate, chloride, sulphate, nitrate etc. These ions are present in ionic form. The cation and anions must be equal to maintain the quality of water. Cation such as calcium ion, magnesium ion, sodium, potassium etc. are also pres...

水是仅次于空气的最基本的生命。地表水和地下水对灌溉、工业和饮用水的供应都非常重要。安全饮用水是每个人的首要需求。大多数人主要依靠地下水资源。其中一些存在诸如硬度过高、钠、钾、钙、硝酸盐等问题。由于人类活动和地质环境的影响,地表水和地下水的自然质量有下降的趋势
印度博帕尔市Gandhinagar地区水质评估 //www.a-i-l-s-a.com/vol4no2/assessment-of-water-quality-of-gandhinagar-area-of-bhopal-city--m-p---india-/ 2009-11-09 2019-04-11 H.C. Kataria, Santosh Ambhore 卷4,问题2 < / p > < p >… 这篇文章的标题是“博帕尔市甘地nagar地区的水质评估,印度议员”;已被撤销,因为在出版者的监督下出版了两次。< / p > 印度议会古纳区Vijaipur及周边地区化肥工业对土壤质量的影响评估 //www.a-i-l-s-a.com/vol4no2/impact-assessment-of-chemical-fertilizer-industry-on-quality-of-soil-in-and-around-vijaipur-district-guna-m-p-india/ 2009-09-14 2018-10-29 R.P. PRAJAPATI, ANAND SHARMA, D.R. TIWARI 卷4,问题2

Introduction Vijaipur Fertilizer Plant is located at Vijaipur village in Radhogarh Tehsil of Guna District (M.P.) India. The Fertilizer Plant Constracted by NFL- comprises of one 1350 TPD single stream ammonia plant based on stream reformation of natural gas and 2200 TPD Urea Plant consisting of two streams each of 1100 TPD capacity. It utilized as combination of natural gas naphtha, fuel oil and filler sand at varying condition for the production of different formulation of fertilizer produc...

对化肥工业废弃物对附近土壤质量的影响进行了研究。肥料工业位于Guna的Jijaipur区(M.P.)印度生产液态氨和尿素。所有产生的固体废物均弃置于垃圾场(肥料厂周围)。测定了污水污泥和土壤样品的理化参数,包括pH值、磷、钠、铬、体积密度、孔隙率、持水性、电c

印度中央邦Rajgarh的Newaj河水质评估 //www.a-i-l-s-a.com/vol4no2/water-quality-assessment-of-newaj-river-at-rajgarh-madhya-pradesh-india/ 2009-09-25 2018-11-09 Naveen Malviya, Suman Malik, Avinash Bajpai 卷4,问题2

Introduction The Newaj river is the left bank tributary of the river Parwan which is a right bank principal tributary of Kalisindh River. In the present years due to the growth in population, urbanization, settlement of brick manufacturing plant, deforestation etc. the river is contaminated regularly and the maintenance of the quality of river water will be a severe problem in the years to come. The present study aims to assess the Newaj river water quality at different sampling stations with...

纽瓦河是我们的生命线。因为它是整个城市的主要水源供应。本研究代表了2008年11月至2009年10月不同季节的pH值、溶解氧、生物需氧量和化学需氧量等理化参数的结果。除参考水样站外,夏季BOD和COD呈规律性升高,DO呈规律性下降。BOD、COD、DO值偏离

尼帕尼镇地下水中溶解氧的研究 //www.a-i-l-s-a.com/vol4no2/study-of-dissolved-oxygen-present-in-the-underground-water-of-nipani-town/ 2009-08-18 2018-11-09 Yashodhara Varale, Shashikant Wagh 卷4,问题2

Introduction Industrialization and urbanization created serious problems of water pollution of surface water i.e. ponds, underground water tube-wells. In developing countries like India, this problem has become acute day by day. In the present study, the levels of DO were studied in the vicinity of Halsiddhanath sugar factory located at Nipani. The underground water sample were taken from twelve underground tube wells in the glass bottles by following standard procedure. Sample were taken ...

从尼帕尼镇12口管井中采集地下水样本,全年每月进行分析。我们研究了地下水中的溶解氧水平。DO含量一直在5mg /litre以上,一直上升到12.56 mg/litre

环境审计的最新趋势 //www.a-i-l-s-a.com/vol4no2/recent-trends-in-environmental-audit/ 2009-10-27 2018-10-29 Sanjay Saxena, Nitesh Goswami 卷4,问题2

Introduction As per the definition given by international chamber of commerce the &quot;Environmental audit is a systematic examination of performance to ensure compliance with requirements during the operational phase of industrial activity including the following components: &bull; Full management commitment &bull; Audit team objectivity &bull; Professional compliance &bull; Well defined systematic approach &bull; Written reports &bull; Quality assurance ...

审计的环境审计的目的是促进监督和获取有关单位在遵守公司内部政策和执行的规章制度方面所采取的措施的信息。环境审计使公司对其工业运作和设施有一个全面的了解。它也给了我们一个想法,确定哪些领域的削减和成本控制是可能的。< / p >
乙烯二胺四乙酸(EDTA)和硝基三乙酸(NTA)负载gac吸附去除水中二价锰 //www.a-i-l-s-a.com/vol4no2/removal-of-divalent-manganese-from-water-by-adsorption-using-gac-loaded-with-ethylene-di-amine-tetra-acetic-acid-edta-and-nitrilo-tri-acetic-acid-nta/ 2009-10-01 2018-10-29 U. E. Chaudhari 卷4,问题2

Introduction Water is a Prime natural resource and is a basic human need. It is available in nature as surface water and ground water through the self purification mechanisms like physical, chemical and microbiological processes at natural bodies are carried out in nature. However, natural water is rarely suitable for direct consumption to human beings. Rapid industrialization and population growth resulted to generation of large quantities of wastewater and causing problem of their disposal....

采用颗粒活性炭(GAC)与螯合剂乙二胺四乙酸乙酯(EDTA)和氮三乙酸(NTA)在25℃下对锰(II)进行了脱除研究。研究了pH范围内的吸附效率。结果表明,螯合剂在吸附过程中遵循Langmuir和Freundlich等温线。以乙烯二胺四乙酸

印度卡纳塔克邦曼德勒市选定钻孔井饮用水中氟化物含量的研究 //www.a-i-l-s-a.com/vol4no2/study-of-fluoride-content-in-drinking-water-of-selected-bore-wells-in-mandya-city-of-karnataka-india/ 2009-08-24 2018-10-29 C.S. Kumar, S. Chandraju 卷4,问题2

Introduction Mandya district is generally called as &quot;sugar city&quot; of Karnataka; since sugarcane is major crop of the district. The city has a very high heritage for its cultural and historical backgrounds. A famous Mysore sugar factory is located in the city. Krishna Raja Sagar (KRS) dam, historical temples at Melukote, Tippu palace at Sr iranga patna, Vaidyanatheshwara temple, Athmalingeshwara temple etc are situated in Mandya district. Water is most common and impor tant...

Mandya地区的农业和生活用水主要来自Krishna Raja Sagar水库。即便如此,曼迪雅市大部分地区的居民,尤其是在夏季,主要依靠钻孔井水来进行家庭和小规模工业。因此存在大量的井眼。对2009年1月在曼德勒市及周边地区选取的25口井水进行氟化物含量分析。研究表明,氟含量

工业和市政污水灌溉农田中重金属的积累 //www.a-i-l-s-a.com/vol4no2/accumulation-of-heavy-metal-in-agricultural-field-irrigated-with-sewage-water-in-industrial-and-municipal-area/ 2009-12-05 2018-11-09 R.K. PANDEY, AMIT DWIVEDI 卷4,问题2

Introduction Soil is essential for the survival of the living world, especially for human population. Wrong agricultural practices deteriorate the soil quality Rapid industrialization and urbanization during recent years have threatened the soil environment through consequences of pollution.1&nbsp;The physico- chemical and biological properties of soil govern the gaseous balance, water transfer, plant growth and decomposition of complex organic substance in it. Any alternation in these pr...

2007-2008年,在靠近Etah和Kanshiram nagar地区工业和城市地区的农业区开展了一项研究,以了解由于使用工业和城市污水进行灌溉而导致的重金属土壤的性质和程度。由于水源简单且免费,取样地区的农民使用污水灌溉。对污水样品进行了颜色、PH值、电导、总固体含量和重金属

的检测
污水养殖小狐猴对混合饲料饲养的宽鳍软线虫生长的影响 //www.a-i-l-s-a.com/vol4no2/effect-of-sewage-cultured-lemna-minor-on-growth-of-mollinesia-latipinna-fed-on-mixed-diets/ 1970-01-01 2018-11-09 D. Radhika, C. Veerabahu, M. Marippandi 卷4,问题2

Introduction Fish, orange molly M. latipinna is one of the most attractive and economically important among the aquarium fishes . They are marketed all over the world and yield foreign exchange to some extent. Formation of a suitable feed for fishes has become important for potential aquaculture practice and many authors have studied the effects of nutrition on growth of fishes (Mathavan 1976, Degani et al.,1985; Wahlam &amp; Shephared 1988; Khan and Jafri 1994; Kim et al., 1996.) but l...

采用对照饲料(F1)、原Lemna掺入饲料(F2)和分解Lemna掺入饲料(F3) 3种不同类型的饲料,研究了污水培养的小Lemna对大鳞盲蝽生长的影响。以污水培养的小狐猴为原料配制饲料,饲喂分解lemna的试验动物具有较高的产量(0.205)、总生长效率(11.08%)、净生长效率(11.39%)、同化效率(97.31)和代谢产物

铁果壳:一种从水溶液中去除Pb (II)的载体 //www.a-i-l-s-a.com/vol4no2/ferronia-elefuntum-fruit-shell-a-carrier-for-the-removal-of-pb-ii-from-aqueous-solution/ 2009-10-01 2018-10-27 U.E. Chaudhari 卷4,问题2

Introduction The Twentieth century star ted with an extensive damage to the natural resources&sup1;. Unplanned industrialization, urbanization, pollution explosion, change in life-style, over exploitation of natural resources, commercial establishment and modern agricultural practices have degraded the quality of environment. The main effects being faced are: &bull; Continental invasion of air and water. &bull; Marine pollution through waste discharges. &bull; Release of va...

以铁壳为材料,对铅(II)进行了脱除研究。对吸附效率进行了评价。研究了pH值、接触时间、吸附剂用量、金属浓度、粒径和温度等因素对吸附性能的影响。结果表明,吸附过程遵循Langmuir等温线和Freundlich等温线。热力学参数表明了该工艺的可行性。动力学研究已进行了解吸附机理。列圣< / p > 德里四个地点地下水的理化及元素分析 //www.a-i-l-s-a.com/vol4no2/physio-chemical-and-elemental-analysis-of-ground-water-of-four-locations-of-delhi/ 2009-10-03 2018-10-26 Shikha Bisht, B.A. Patra 卷4,问题2

Introduction Delhi, situated at the bank of Yamuna river, between the latitudes 280 12&#39; -280 53&#39; N and the longitudes 760 50&#39;- 770 23&#39;, is one of the important business centers of India and thickly populated as well&sup1;. Average water consumption in Delhi is estimated at being 240 liters per capita per day (lpcd), the highest in the country&sup2;. This demand for drinking water is supplied by the Delhi Jal Board and is wholly provided or partially sub...

4 - 5月间,对来自德里不同地区的4个地下水(钻孔)样本进行了物理化学和元素研究。水质参数如pH、总溶解固体(TDS)、总碱度(TA)、总硬度(TH)、氯离子(Cl-)、硫酸盐(SO42)、硝酸盐(NO3-)、氟离子(F-)、钙离子(Ca2+)、镁离子(Mg2+)、铝(Al)、硼(B)、锌(Zn)、硒(Se)、锰(Mn)、铁(Fe)、铬(Cr)、铜(Cu)、铅(Pb)、镉(Cd)、

Sitapura工业区工业废水水环境的季节变化(2007年季风前和季风季节) //www.a-i-l-s-a.com/vol4no2/seasonal-variation-in-the-aquatic-environment-of-industrial-effluents-of-sitapura-industrial-area-pre-monsoon-and-monsoon-season-2007/ 2009-10-14 2018-11-09 Rajni Agarawal, S. Sharma, U. Jha 卷4,问题2

Introduction The industries, which are burgeoning at a fast rate, produce about 55,000 million m3 of waste water per day, out of which 68.5 million m3 is discharged into rivers and streams.1&nbsp;Resulting the degradation of water resources, urban pollution increases rapidly by industrial development. Industrialization and urbanization lead to generation of large volumes of waste water from domestic, commercial and industrial purposes. The industrial effluent from Sitapura Industrial Area...

为了研究斋浦尔西塔普拉工业区在季风前和季风季节工业废水质量的变化,进行了一项比较研究。对工业废水样品进行了pH、电导率、总溶解固体、总悬浮物、总固体、钠、钾、氯、硝酸盐、硬度、总碱度、硫酸盐、磷酸盐、氟化物、化学需氧量和溶解氧等参数的测定
生物医疗废物管理与处理者风险 //www.a-i-l-s-a.com/vol4no2/biomedical-waste-management-vis-a-vis-risks-to-handlers/ 2009-11-09 2018-11-09 m。k。Mishra, s。k。Likhar, k。s。Likhar 卷4,问题2

Introduction &quot;Bio-Medical Waste&quot; according to Biomedical Waste (Management and Handling) Rules, 1998 of India, means any waste which is generated during the diagnosis, treatment or immunization of human beings or animals or in research activities per taining thereto or in the production or testing of biologicals. Safe management of Health Care Waste is the process to ensure proper hospital hygiene and safety of health care workers and communities. Towards achieving this t...

生物医学废物管理相对于废物处理者的严重风险使其成为健康风险的卫生保健废物的特点是,它含有传染性物质、有毒化学物质、易燃物质、基因毒性物质、细胞毒性物质和放射性物质。因此,卫生保健废物的风险不仅来自病原体,而且来自废物成分的化学和药物特性。卫生保健废物的安全管理是确保适当的医院卫生的过程
Udhampur区Mansar湖及其附近的越冬鸟类 //www.a-i-l-s-a.com/vol4no2/wintering-birds-in-and-around-the-vicinity-of-lake-mansar-district-udhampur-jk/ 2009-10-02 2018-11-09 Deepti Kotwal, Sanjeev Kumar, D.N. Sahi 卷4,问题2

Introduction India is known to be one of the 12 most important mega diversity centers of the world. India with varied habitats harbours a rich bird life. Aves constitute the most important phylum of animal kingdom. Avifauna is an important biological resource and a component of natural ecosystem. The Indian region with varied habitat harbours an incredibly rich bird life. Moreover, birds were regarded as the indicators of environment. The study of bird communities has been a major area of res...

从2004年开始对Mansar地区进行了系统的调查。,以便查阅越冬鸟类的状况。该地区最重要的特色是一个湖泊,被赋予湿地的地位,被称为曼萨尔湖。这个湖是一个主要的水生栖息地,也是候鸟在冬季的觅食地。曼萨尔湖位于查谟Shivaliks地区,海拔666米。共报告越冬鸟类21种
查谟(Jandamp)三个淡水池塘的理化评价;(千) //www.a-i-l-s-a.com/vol4no2/physico-chemical-assessment-of-three-freshwater-ponds-of-jammu-jk/ 2009-08-11 2018-11-09 K.K. Sharma, Shvetambri , Preeti Verma, Surinder Sharma 卷4,问题2

Introduction The physico-chemical parameters, a reflection of the health of an aquatic ecosystem, are of immense significance in determining the trophic status of aquatic habitats. With its implications on the biological processes, abiotic parameters determine the planktonic and neustonic community structure thereby influencing the food chains and food web in natural waters. So, a detailed analysis of the same is always wanting, and consequently, hydrobiologists throughout the globe have alwa...

为了理解水生生态系统中发生的复杂的生物相互作用,对其物理化学条件的评估占有重要地位。在这些条件下遇到的任何变化都直接影响住在其中的生物群。在本研究中,对查谟的三个淡水池塘即查谟的Dilli村池塘的物理化学条件进行了调查;查谟大学植物园池塘和鱼塘,查谟大学,f

Borsad和Anklav taluka(区:Anand, Gujarat)地下水质量参数 //www.a-i-l-s-a.com/vol4no2/quality-parameters-of-ground-waters-in-borsad-and-anklav-taluka--dist--anand--gujarat-/ 2009-10-16 2018-10-26 Shailesh Shah 卷4,问题2

Introduction The portion of the water seeping into soil in excess of that held as film surrounding soil particles continues its downward passage until it reaches an impervious stratum at which point it tends to accumulate. The geological stratum super imposed upon the impervious layer then becomes saturated, and is known as the zone of saturation. The upper level of the saturated stratum is called the water table. The depth of the water table below the surface varies widely. A formation, whic...

本研究涉及印度古吉拉特邦Anand区Borsad和Anklav taluka村的地下水质量参数。通过检测各种理化参数对地下水水质进行了评价。2008年5月、2008年9月、2009年4月和2009年8月,分别从Borsad和Anklav taluka的不同村庄采集了28份地下水(Borewell)样本。理化参数如:温度、PH、TDS、DO、总硬度、

造纸厂废水对马尾鱼染色体的遗传毒性效应 //www.a-i-l-s-a.com/vol4no2/genotoxic-effect-of-paper-mill-effluent-on-chromosomes-of-fish-channa-punctatus/ 2009-11-13 2018-11-09 M.K. Malik, Parmesh Kumar, Reenu Seth, S. Rishi 卷4,问题2

Introduction Intensive industrialization has led to the introduction of a large number of chemicals in the biosphere, the habitat of all living beings, including man. The industrial units drain their effluents directly into the water bodies which pose a serious threat to the aquatic flora and fauna. The industrial effluents carry many toxic substances which are capable of affecting the genetic material of the organisms, leading to immediate and inherited mutation. A variety of somatic disease...

不同类型的工业单位排出的废水对水生动植物构成严重威胁。鱼类是封闭水环境中的居民,是评价混合在水环境中的化学物质影响的有用模型。在本研究中,在淡水鱼马尾鱼身上测试了库鲁什特拉一家造纸厂废水的遗传毒性效应。这些鱼分别暴露在污水中24、48、72和96小时。remarkabl < / p >
卡拉托利海岸和科克斯巴扎虾孵化场水质评估 //www.a-i-l-s-a.com/vol4no2/assessment-of-water-quality-at-kalatoly-coast-and-a-shrimp-hatchery--coxs-bazar/ 2009-09-12 2018-10-26 Sheikh Aftab Uddin, Abdul Kader, Abuhena Mustafa Kamal, Ayesha Akhtar,马里兰州Shahadat hossein 卷4,问题2

Introduction Shrimp farming in Bangladesh play a key role in the national economy since the early 1990s. Shrimp farming is practiced in Bangladesh as monostock of the black tiger shrimp Penaeus monodon (Uddin and Kader, 2006). Before 1990s, shrimp farmers only stocked natural post larvae and harvested the marketable size of shrimps while the culture system was totally dependent on natural seed supply. At present, the entire culture of tiger shrimps almost depends on hatchery produced post lar...

通过对卡拉托利海岸和对虾养殖场之间的水质理化参数进行评估,了解水质现状。这项研究于2008年1月至6月在孟加拉国科克斯巴扎进行。每月从卡拉托利海岸采集两次水样。同样,紫外线处理和幼虫饲养池的水也从位于卡拉托利的虾孵化场收集。水温、盐度、溶解氧和pH值均大于或等于1

印度泰米尔纳德邦tiruchirapalli - Tamil Nadu地区Cauvery河Uyyakondon河岸地下水理化特征的季节变化。 //www.a-i-l-s-a.com/vol4no2/seasonal-variation-in-physico-chemical-characteristics-of-ground-water-on-the-bank-uyyakondon-channel-of-river-cauvery-at-tiruchirappalli-tamil-nadu-india/ 2009-10-02 2018-11-09 A. Abdul Jameel, A. hussain 卷4,问题2

Introduction&nbsp; Water plays an indispensable role in every species that survive in this world and is required by all living organisms for their existence. Though water is a renewable resource, reckless usage and improper management water system may cause serious problems in availability and quality of water. Water may be contaminated by various means, chemically and biologically and become unfit for dr inking and other uses. The increasing industrialization, urbanization, agricultural ...

地下水水质样品采自河道两侧河岸附近,另外两个样品采自近&距频道公里有5个车站。这项研究是在2003年的夏季和雨季进行的。对样品进行了理化分析。高碱度、TDS、TH、Na和No3、BOD和COD在地下水观测站均有观测。< / p > 人口增长与环境压力(检讨) //www.a-i-l-s-a.com/vol4no2/population-growth-and-environmental-stress-a-review/ 2009-11-30 2018-10-29 Jamil Ahmad 卷4,问题2

Introduction Population is an impor tant source of development, but it is also a major source of environmental degradation when it exceeds the threshold limits of the support systems. Population impacts on the environment primarily through the use of natural resources and production of wastes and is associated with environmental stresses like loss of biodiversity, air and water pollution and increased pressure on arable land. India supports 17 per cent of the world population on just 2.4 per ...

本文探讨了人口与环境的关系,并试图找出人口增长对环境的影响。人口对环境的影响主要是通过使用自然资源和产生废物,并与诸如生物多样性丧失、空气和水污染以及对可耕地的压力增加等环境压力有关。人口规模和增长率是环境变化的关键因素。在任何发展水平,增加了popul

中央邦Mandideep工业区工业废水对Betwa河水质的环境影响评价 //www.a-i-l-s-a.com/vol4no2/environmental-impact-assessment-of-industrial-effluents-on-water-quality-of-betwa-river-discharged-from-mandideep-industrial-area-in-madhya-pradesh/ 2009-12-19 2018-11-09 Vandana Magarde、S.A.Iqbal、Subrata Pani、Neelofar Iqbal 卷4,问题2

Introduction Water is the basic and primary need of all vital life processes and it is now well established that the life first arose in aquatic environment. Ever since the pre-historic times man has been intimately associated with water and the evidences of past civilization that all historic human settlements were developed around inland freshwater resources have conclusively proved it. Even today it is the major consideration for all socio-economic cultural, industrial and technological de...

本研究于2007年在Mandideep工业区附近的Betwa河进行,目的是评估工业废水和生活污水对河流水质的影响。在长达一年的研究中所记录的观测结果显示,由于记录了较高的BOD和COD值,该河流在某些地区受到了污染。< / p >
用改性椰壳炭作吸附剂去除水中的铁 //www.a-i-l-s-a.com/vol4no2/removal-of-iron-from-water-using-modified-coconut-shell-charcoal-as-adsorbent/ 1970-01-01 2018-11-03 K比纳库马里 卷4,问题2

Introduction Iron is one of the major impurities that is commonly found in many sources of water. Iron deposited in the distribution system may promote the growth of microorganisms leading to high contamination in drinking water.1&nbsp;Iron pipes may release corroded iron in water. Chlorine and Bleaching powder added to drinking water as a germicide, oxidizes and corrodes iron. The iron content is prescribed to 0.3 ppm or less as a drinking water quality standard.2 Although iron is an ...

铁是水里最麻烦的元素之一。雨水渗入土壤和地下的地质构造会溶解铁,导致它渗入作为地下水来源的含水层。虽然铁是人类必需的矿物质,但它在地下水中的存在超过了一个阈值水平,使水不能使用,主要是出于美学考虑,如变色、金属味、气味、浑浊和脏衣服染色。铁主要存在于

的水中
军团菌分离中环境水样不同参数的研究。 //www.a-i-l-s-a.com/vol4no2/studies-of-environmental-water-samples-for-different-parameters-for-isolation-of-legionella-spp/ 2009-10-03 2018-11-09 Shubhra Shukla, Sanjeev Shukla, Jose Mathew, Deepak Sharma 卷4,问题2

Introduction These include air conditioning cooling towers or evaporative condensers1-4. It has also been isolated from surface water from a stream, from mud from a stream bottom5, and from lake waters not associated with epidemics. In its natural environment, the bacterium resides within freshwater amoebas such as Acanthamoeba and Hartmenella, but the organism can also infect humans upon the inhalation of contaminated aerosols. Invasion and replication in alveolar macrophages can lead to pne...

嗜肺军团菌经常从军团病患者中分离出来,在某些情况下也从与流行病有关的环境样本中分离出来。建立了一种选择性培养基,通过动物接种法成功地从环境标本中分离出嗜肺军团菌和类军团菌。嗜肺军团菌是一种革兰氏阴性兼性细胞内细菌,是军团菌的病原体#39; 疾病。这个中等的骗局

气候因素在沙特阿拉伯吉达省埃及伊蚊季节性丰度和登革热病例中的作用 //www.a-i-l-s-a.com/vol4no2/role-of-climatic-factors-in-the-seasonal-abundance-of-aedes-aegypti-l-and-dengue-fever-cases-in-jeddah-province-of-saudi-arabia/ 2009-12-24 2018-11-09 Khalid Al-Ghamdi, Masroor khan, Jazem Mahyoub 卷4,问题2

Introduction Climate change has a direct influence on human health. Apart from affecting the human health climate change also influences the vector of infectious diseases. Climate change and its influence on the vectors of infectious diseases has been a subject of serious debate and study (Shope, 1991). Most of the mosquitoes are sensitive to climate and primary vectors for many diseases. The primary vector for dengue fever virus transmission to humans is Aedes species. The global warming ...

气候因子的波动不仅影响人类健康,而且影响病媒生物和传染病的丰度。本研究试图建立沙特阿拉伯西部地区伊蚊数量、登革热病例和流行气候因素之间的关系。相对湿度在蚊媒丰度方面的作用已得到很好的证实。但温度的作用降雨是unpredict < / p >
从制药土壤样品中分离的芽孢杆菌和短杆菌对苯酚和萘的生物修复 //www.a-i-l-s-a.com/vol4no2/bioremediation-of-phenol-and-naphthalene-by-bacillus-species-and-brachybacterium-species-isolated-from-pharma-soil-sample/ 2009-11-12 2018-11-06 A.M. Velmurugan, C. Arunachalam 卷4,问题2

Introduction Chemicals are part of the modern life. They are part of all spheres of human life and used as pharmaceuticals, pesticides, detergents, fertilizers, dyes, preservatives, food additives etc. Pharmaceutical wastes produced on a daily basis may be land filled provided that they are dispersed in large quantities of general waste. Cytotoxic and narcotic drugs, however, should never be land filled, even in small quantities. Mild liquid or semi-liquid pharmaceuticals, such as solutions c...

在这项研究中,土壤样本是从制药工业,即塞米拉制药,金奈。在含10mg苯酚和萘的矿物琼脂培养基中,筛选出10个菌落,命名为P1~P10。筛选出的菌落在含苯酚和萘的液体培养基中富集5天。富集的菌落在含有苯酚和萘的矿物琼脂平板上形成条纹

滴滴涕需求评估(赞比亚个案研究) //www.a-i-l-s-a.com/vol4no2/an-assessment-of-the-demand-for-ddt-a-case-study-for-zambia/ 2009-08-31 2018-11-06 塞缪尔·班达,阿洛伊修斯·蒙迪亚 卷4,问题2

Introduction Pesticides are chemicals that have widely been acknowledged to be useful to man in a variety of ways that include a sure grantee for food supply via control of unwanted weeds and pests, safeguard for public health via eradication or reduction of harmful pests, to protection of buildings from termite attack and so on. DDT, referred to according to its trivial name, Dichloro Diphenyl Trichloroethane, as a chemical, is classified as an organochlorine, or chlorocarbon; that is, a...

在室内残留喷洒(IRS)中使用滴滴涕控制疟疾病媒正日益成为有效、可持续地减少疟疾流行的解决办法。在赞比亚,卫生部、地方当局的公共卫生部门,甚至采矿公司都选择使用滴滴涕进行室内滞留喷洒。就其本身而言,滴滴涕作为一种化学品,有充分的历史记录,其副作用被认为对人类健康和环境都是有害的。DDT的使用受到严格限制
理解全面质量管理:国际和印度服务业(文献综述) //www.a-i-l-s-a.com/vol4no2/understanding-total-quality-management-in-context-international-and-indian-service-industry-a-literature-review/ 2009-12-19 2018-10-26 Namish Mehta, Prakash Verma, Nitin Seth 卷4,问题2

Introduction With the accelerated pace of change in the 21st Century as a result of technological opportunities, liberalization of world markets, demands for innovation, quality and speed, both manufacturing and service organizations need to readjust and realign their operations to counter all these challenges. This pace of change has increasingly forced organizations to be more outward looking, market oriented and knowledge driven. Useful tool that can help businesses build strong capabiliti...

随着变革步伐的加快,组织正在努力交付比他们已知的竞争对手更好的产品和服务。这对它们的生存和可持续性至关重要。在这个快速变化、收购和合并、产品快速变化、客户需求增加、全球压力、信息技术的时代,组织需要持续测量和监控交付给最终客户的质量。客户不断变化的需求进一步推动了我们的发展
铜电极在氢氧化钠溶液中的电化学行为 //www.a-i-l-s-a.com/vol4no2/electrochemical-behavior-of-copper-electrode-in-sodium-hydroxide-solutions/ 2009-11-20 2018-11-14 I. Zaafarany, H. Boller 卷4,问题2

Introduction The electrochemical behaviour of copper is of considerable interest in many areas of technology, including solar cell,1&nbsp;integrated circuits2&nbsp;and heat exchangers.3&nbsp;Hence, the cyclic voltammograms of this metal has been extensively studied, particularly in alkaline solutions4-7&nbsp;which affords more resolution than the conventional galvanic technique. The anodic behaviour of Copper in alkaline environments leads to the formation of an oxide film ...

用循环伏安法研究了铜电极在不同浓度NaOH溶液中的循环伏安;rsquo;s(CV和;rsquo;s) 技术。此外,还利用扫描电子显微镜(SEM)和X射线能谱分析(EDAX)进行了表面检查和形态研究。发现的四个阳极峰依次对应于Cu2O单层、CuO和CuO22厚层的形成,最后对应于Cu2O的形成

研究与发展指数(RDI)作为经济发展的指标 //www.a-i-l-s-a.com/vol4no2/research-and-development-index-rdi-as-an-indicator-for-economic-development/ 2009-12-22 2018-10-29 E.M.R. Kiremire 卷4,问题2

Introduction It has been said many times over that Science and Technology is the engine of economic gowth1. Yet there has not a simple formula that correlates economic growth with science and technology or research and development. This paper is an attempt to develop a simple mathematical formula that relates economic development to research and development. Formulating a module of an economic development based on Research and Development (R&amp;D). Fundamental Principle 1 Huma...

建立了经济发展与研究与开发的简单关系式。一个国家从事的科学研究和开发越多,经济就越发达。研究与发展指数(RDI)也已建立。RDI可以作为衡量一个国家经济发展水平的良好指标。也就是说,一个国家是非常发达,中等发达还是低发达

博帕尔RGPV丘陵场地10kw水平轴风力机转子的数学模拟与能量估算(案例研究) //www.a-i-l-s-a.com/vol4no2/mathematical-simulation-and-energy-estimation-of-10-kw-horizontal-axis-wind-turbine-rotor-at-hilly-site-of-rgpv-bhopal-case-study/ 2009-08-20 2018-10-29 Nilesh Diwakar, Subramanyam Ganesan, Siraj Ahmed, V.K. Sethi 卷4,问题2

Introduction Energy extraction from wind involves very complex technology and dynamic nature of wind with continuous changing direction and speed has made the procedure more cumbersome1. The effects of drag and tip-losses should be taken into account for optimum design and peak performance prediction. Instead of conventional trial and error method to reach maximum elemental power coefficient at a radial station, it should be reached directly through analytical approach2. A relationship among ...

本文提出了一种基于解析法的新方法。转子的设计及其峰值性能的产生,将叶片分为100个径向元件。确定了各工位的叶片弦、扭曲度和基本功率系数。速度干扰因子收敛和功率系数最大化所需的迭代过程。设计过程从最大功率点开始,而不是先搜索最大功率点,然后再执行

查谟恒河猴的母子关系行为模式(Jandamp;K) //www.a-i-l-s-a.com/vol4no2/behavioural-pattern-showing-mother-infant-relationship-in-rhesus-monkey-in-jammu-jk/ 2009-08-10 2018-11-06 Poonam Sambyal, Sanjeev Kumar, D.N. Sahi 卷4,问题2

Introduction Rhesus mother and infant relationship is the most intimate and long lasting of all the relationships Rowell et al.,1 (1964). The infants of rhesus monkeys begin life completely dependent on their mother for survival, receiving all nourishment, physical warmth and other basic biological support from her Harlow et al.,2 (1963), Hinde and Spencer-Booth3 (1967). Rhesus mothers are usually very restrictive as they restrict the movements and social contacts of their infants from approa...

本通讯涉及表现恒河猴母亲与婴儿关系的行为模式。这项研究对一支由152人组成的部队进行了一年的时间,该部队居住在巴胡堡地区,该地区位于查谟、K州塔维河岸边海拔325米的小山丘上。结果表明,成年恒河猴母亲的各种母性活动(拥抱、梳理、眼神接触、接近等)均呈阳性(p < br >

)