作者: 無(wú)目標(biāo) 時(shí)間: 2025-3-22 00:03 作者: Cosmopolitan 時(shí)間: 2025-3-22 04:10
Biological Stability: A Multidimensional Quality Aspect of Treated Waterteractions between microorganisms and (i), compounds serving as energy sources; (ii), environmental conditions (temperature, hydraulics) and (iii), physico-chemical processes (sedimentation, corrosion, disinfection), respectively. The concentration of growth-promoting compounds is considered as the 作者: 蜿蜒而流 時(shí)間: 2025-3-22 06:47 作者: outskirts 時(shí)間: 2025-3-22 12:15
Enzymatic Detection of Coliforms and , within 4 Hours?-glucuronidase (.) detection take 18–24 h to complete. They either use chromogenic substrates (e.g., X-gal, X-gluc) or fluorogenic ones, particularly 4-methylumbelliferyl-glycosides. The latter afford improved detectability and, under particular conditions reduce the detection time to approximately作者: integral 時(shí)間: 2025-3-22 15:25 作者: integral 時(shí)間: 2025-3-22 18:56
Genotoxicity in German Surface Waters — Results of a Collaborative Studyc contaminations. In the course of a BMBF-funded collaborative project several methods (Ames test, . test, alkaline elution, DNA unwinding assay, Comet assay and unscheduled DNA-synthesis test) have been examined for their ability to measure genotoxicity particularly in natural surface waters. The p作者: 匯總 時(shí)間: 2025-3-23 00:00
Blazing towards the Next Millennium: Luciferase Fusions to Identify Genes Responsive to Environmentahanisms by which specific agents exert their toxic effects, and develop effective, inexpensive strategies for detecting compounds in their biologically active and available form. We have used reporter gene fusion technology to identify genes, in the genetically well-characterized bacterium ., whose 作者: 啞巴 時(shí)間: 2025-3-23 02:01 作者: 清楚 時(shí)間: 2025-3-23 09:16
Ecotoxicological Indicators of Water Quality: Using Multi-Response Indicators to Assess the Health oh may be compromised by a variety of environmental Stressors such as contaminants, sediments, nutrients, and varying temperature, salinity, and hydrologic regimes. The bioindicators approach is a proven bioassessment method that uses responses of key (sentinel) aquatic organisms both as integrators 作者: colostrum 時(shí)間: 2025-3-23 09:41 作者: 聲音刺耳 時(shí)間: 2025-3-23 15:29
Biodegradation of Recalictrant Components of Organic Mixturese and benzene. A vapor phase biofilter operating at an air flux of 1 m./m. min and an empty bed residence time of 1 minute was used as the reaction system. Inlet recalcitrant contaminant concentrations were typically 35 ppm on a volume basis while the aromatic compound concentrations were varied fro作者: OTHER 時(shí)間: 2025-3-23 21:52
Application of Biofilms and Biofilm Support Materials as a Temporary Sink and Sourcecentration may occur in the influent of industrial wastewater treatment plants, but also at plants serving tourist areas. High rate reactors of low hydraulic buffer capacity are particularly affected. Exploitation of internal equalization capacities are proposed to dampen the fluctuations of biomass作者: 潛移默化 時(shí)間: 2025-3-24 01:43 作者: magnanimity 時(shí)間: 2025-3-24 03:15 作者: faucet 時(shí)間: 2025-3-24 08:57 作者: micronutrients 時(shí)間: 2025-3-24 14:00
Towards a Science-Based Integrated Ozone-Fine Particle Control Strategytes for these pollutants (substitution of an 8-h standard for ozone at 80 ppbv, and addition of 24-h and annual standards for fine particles). The interrelationships of these pollutants in the atmosphere suggest the need for an integrated, science-based strategy for their control. Secondary ozone fo作者: 變化 時(shí)間: 2025-3-24 18:46 作者: Lipoma 時(shí)間: 2025-3-24 19:37 作者: 光明正大 時(shí)間: 2025-3-25 02:36
facing humanity at the dawn of the newmillennium and - where possible - propose ways ofaddressing them. Almost 50 selected articles are collected in thepresent book, which constitutes a striking interdisciplinarycombination of state-of-the-art science with the latest views onenvironmental law, educa作者: 反對(duì) 時(shí)間: 2025-3-25 06:03 作者: 粘連 時(shí)間: 2025-3-25 09:22 作者: Disk199 時(shí)間: 2025-3-25 14:59 作者: modest 時(shí)間: 2025-3-25 18:13
https://doi.org/10.1007/978-3-658-29315-4bination with the tyramide signal amplification (TSA) system enabled the specific detection of Escherichia coli and . within 3 hours. The C. parvum assay provided a species-specific alternative to the currently available fluorescent antibody approach.作者: 樂(lè)章 時(shí)間: 2025-3-25 22:04 作者: hemoglobin 時(shí)間: 2025-3-26 04:04
Book 2000anity at the dawn of the newmillennium and - where possible - propose ways ofaddressing them. Almost 50 selected articles are collected in thepresent book, which constitutes a striking interdisciplinarycombination of state-of-the-art science with the latest views onenvironmental law, education, and 作者: Decibel 時(shí)間: 2025-3-26 07:04
Book 2000ent, water-basedinternational cooperation, and more), other sections deal with timelytopics relating to air pollution, biodiversity, conservation, andeducation. The book is intended for environmental scientists,professionals, and students of all disciplines.作者: 嚴(yán)厲批評(píng) 時(shí)間: 2025-3-26 09:30
ter treatment, water-basedinternational cooperation, and more), other sections deal with timelytopics relating to air pollution, biodiversity, conservation, andeducation. The book is intended for environmental scientists,professionals, and students of all disciplines.978-94-010-5878-0978-94-011-4369-1作者: 慎重 時(shí)間: 2025-3-26 16:20
https://doi.org/10.1007/978-3-658-32173-4m 8 ppm to 150 ppm. Dichloromethane removals were not impacted by the introduction of toluene. However, a rapid decrease in methyl tert-butyl ether removal resulted from the initial introduction of toluene. Complete removal of both methyl tert-butyl ether and toluene was achieved within a week of operation.作者: 敏捷 時(shí)間: 2025-3-26 18:09 作者: Relinquish 時(shí)間: 2025-3-27 00:45 作者: 臥虎藏龍 時(shí)間: 2025-3-27 02:07
https://doi.org/10.1007/978-3-662-41143-8nce; availability of adequate data and information; prioritized rule making based on risk; increased stakeholder involvement and regulatory negotiations; cost-benefit analysis; better clarity; timely guidance as to provisions of the standards; and implementation assistance though training and guidan作者: 群居動(dòng)物 時(shí)間: 2025-3-27 05:39 作者: 最有利 時(shí)間: 2025-3-27 10:57
https://doi.org/10.1007/978-3-658-36734-3teractions between microorganisms and (i), compounds serving as energy sources; (ii), environmental conditions (temperature, hydraulics) and (iii), physico-chemical processes (sedimentation, corrosion, disinfection), respectively. The concentration of growth-promoting compounds is considered as the 作者: 顯微鏡 時(shí)間: 2025-3-27 14:18 作者: nonradioactive 時(shí)間: 2025-3-27 20:11 作者: 亞麻制品 時(shí)間: 2025-3-28 00:19 作者: LEVY 時(shí)間: 2025-3-28 02:58 作者: 黃油沒(méi)有 時(shí)間: 2025-3-28 09:07 作者: Ordnance 時(shí)間: 2025-3-28 12:51 作者: 雪白 時(shí)間: 2025-3-28 17:32
https://doi.org/10.1007/978-3-658-12340-6h may be compromised by a variety of environmental Stressors such as contaminants, sediments, nutrients, and varying temperature, salinity, and hydrologic regimes. The bioindicators approach is a proven bioassessment method that uses responses of key (sentinel) aquatic organisms both as integrators 作者: 樹(shù)木心 時(shí)間: 2025-3-28 20:12 作者: stroke 時(shí)間: 2025-3-29 00:32 作者: degradation 時(shí)間: 2025-3-29 06:14
https://doi.org/10.1007/978-3-662-31492-0centration may occur in the influent of industrial wastewater treatment plants, but also at plants serving tourist areas. High rate reactors of low hydraulic buffer capacity are particularly affected. Exploitation of internal equalization capacities are proposed to dampen the fluctuations of biomass作者: synchronous 時(shí)間: 2025-3-29 08:34
https://doi.org/10.1007/978-3-663-15736-6sedimentation, or in direct filtration plants in which the sedimentation process is omitted. Both versions of coagulation and filtration can be effective for controlling . cysts and . oocysts, but research done by several investigators has shown that coagulation and filtration must be operated very 作者: 好忠告人 時(shí)間: 2025-3-29 13:52
https://doi.org/10.1007/978-3-658-38348-0 all municipal wastewater in order to supply a major part of agricultural water demand. Two pilot-scale systems were operated and studied for several years. The first one consisted of an advanced treatment scheme incorporating a sequencing batch reactor (SBR) system with further deep-bed granular fi作者: 矛盾心理 時(shí)間: 2025-3-29 16:20
https://doi.org/10.1007/978-3-476-98924-6e and the blue-baby syndrome, and of the possible formation of carcinogenic compounds in the digestive tract. Biological denitrification, bacteria-mediated reduction of nitrate to nitrogen gas, is a method used in the treatment of nitrate contaminated groundwater. The denitrifying microorganisms req作者: 世俗 時(shí)間: 2025-3-29 23:07 作者: macrophage 時(shí)間: 2025-3-30 02:25
https://doi.org/10.1007/978-3-658-37731-1s particularly important to account for the mobile source contribution to observed particulate levels since these sources may be the major contributor to the fine particle fraction. This is due to the fact that most mobile source mass emissions have an aerodynamic diameter less than 2.5 μn, while th作者: 碌碌之人 時(shí)間: 2025-3-30 06:10 作者: gout109 時(shí)間: 2025-3-30 10:11
978-94-010-5878-0Springer Science+Business Media Dordrecht 2000作者: 新星 時(shí)間: 2025-3-30 12:29 作者: Yag-Capsulotomy 時(shí)間: 2025-3-30 17:34
http://image.papertrans.cn/e/image/312540.jpg作者: Meditate 時(shí)間: 2025-3-30 23:43
Status of the Drinking Water Standards Program in the United States least five candidates must be identified to consider for regulation within a five year period. A maximum of thirty contaminants for monitoring by water systems must be published by 1999 and every five years thereafter. Monitoring information derived serves as a basis for future standard setting act作者: angiography 時(shí)間: 2025-3-31 03:07
Recent Developments in Microbiotesting and Early Millennium Prospectsrnative assay to whole fish acute (sub)lethal toxicity testing with the help of rainbow trout primary hepatocytes, 5) developing a microplate-based phagocytosis assay to check for immunocompetence of feral bivalve shellfish and 6) conducting a major investigation to develop a cost-effective multitro作者: nocturia 時(shí)間: 2025-3-31 08:52
Biological Stability: A Multidimensional Quality Aspect of Treated Waterhe growth-promoting properties of synthetic materials in contact with treated water are determined with the Biofilm Formation Potential (BFP) test. A complete understanding of regrowth processes enabling to define appropriate control measures requires further research including: (i), the effect of r作者: RAGE 時(shí)間: 2025-3-31 10:39 作者: AIL 時(shí)間: 2025-3-31 14:49
Detection of Infectious , Oocysts in Environmental Water Samples using an Integrated Cell Culture-PCfor .. A total of 242 raw source waters or filter backwash water samples from twenty five sites in the U.S. were analyzed to validate the procedure. Oocyst seeded in raw and filter backwash water samples were used to evaluate recovery efficiencies and performance of the CC-PCR protocol with differen作者: 不再流行 時(shí)間: 2025-3-31 18:03 作者: 迎合 時(shí)間: 2025-3-31 23:01
Blazing towards the Next Millennium: Luciferase Fusions to Identify Genes Responsive to Environmentains respond specifically to arsenic in its toxic, oxyanionic form, and can detect bioavailable amounts of these oxyanions in contaminated water samples. Combinations of different biosensor clones and assay automation will augment the use of luminescent biosensors for the detection of specific toxic 作者: CYT 時(shí)間: 2025-4-1 03:27 作者: single 時(shí)間: 2025-4-1 06:45
Ecotoxicological Indicators of Water Quality: Using Multi-Response Indicators to Assess the Health ond population and community-level effects, and serve as a basis for which the effectiveness of remedial actions on the health of aquatic organisms can be evaluated. Rapidly-responding sensitive biomarkers, such as biomolecular and biochemical responses, and slower- response ecologically relevant bio作者: Conjuction 時(shí)間: 2025-4-1 12:50 作者: Kindle 時(shí)間: 2025-4-1 16:22 作者: obnoxious 時(shí)間: 2025-4-1 19:35
Wastewater Reclamation for Agricultural Reuse in Israel: Trends and Experimental Resultslow-turbidity effluents. Granular filtration experiments were carried out using a gravitational single-medium filter composed of uniformly-sieved quartz sand. It was found that most of the suspended solids were removed in the top 10 cm of the filter bed. Influent turbidity was found to be the main p作者: 男生如果明白 時(shí)間: 2025-4-2 00:11
Biological Denitrification of Groundwaterng the problem in some developed countries, nitrate pollution is still on the rise in many other countries. Innovative, low-cost biological denitrification processes are specially needed in developing countries.