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排序方式: 共有191条查询结果,搜索用时 36 毫秒
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Kadam Vrushali Vinayak Balakrishnan Raj Mohan Ettiyappan Jagadeeshbabu Ponnan 《Environmental science and pollution research international》2021,28(10):11882-11892
Environmental Science and Pollution Research - The estrogenic property of bisphenol A (BPA) leads to potential adverse health and ecological effects. A simple, selective, and cost-effective sensor... 相似文献
3.
Neethu Kariyil Veettil Nandan Sivasankaran Bijoy Xavier Nelkunnassery Dominic Don Jayachandran Paravanparambil Rajakumar Anu Pashnath Raghu Midhun Alungal Manikandan Mohan Dhandapani Marigoudar Shambanagouda R. 《Environmental science and pollution research international》2021,28(2):1775-1788
Environmental Science and Pollution Research - The southwest coast of India along the Cochin region is seriously affected by metal contamination from increasing industrial activities. This... 相似文献
4.
Senapathi Venkatramanan Sekar Selvam Viswanathan Prasanna Mohan 《Environmental science and pollution research international》2021,28(15):18421-18422
Environmental Science and Pollution Research - 相似文献
5.
Kolangare Irfana Moideen Isloor Arun Mohan Inamuddin Asiri Abdullah Mohamed Ismail Ahmad Fauzi 《Environmental Chemistry Letters》2019,17(2):1053-1059
Environmental Chemistry Letters - Water desalination and recycling of wastewater is a key challenge to meet water shortage issues. Thin film composite polyamide membranes are widely used for... 相似文献
6.
Muhammed Siddik Abdul Samad Prem Mohan Irfan Khursheed Shah Babu J. Alappat 《Environmental Forensics》2020,21(1):37-47
AbstractCement manufacturing is a process that results in the emission of significant quantities of suspended particulate matter (SPM) to the ambient air. An environmental forensic investigation was carried out in the surroundings of a major cement manufacturing unit at a place called Coimbatore in the southern Indian state of Tamil Nadu. The investigation was carried out to identify the contribution of the cement manufacturing unit to the SPM concentration of the surrounding air environment. The sampling points’ selection and sample collection were done following the principles outlined in the INTERPOL Manual for Pollution Crime Forensic Investigation. On-site monitoring of the air samples was carried out using Mini Laser Aerosol Spectrometer (GRIMM, Mini-LAS Model 11R). The instrument was capable of measuring particles ranging from 0.25 to 32 µm and classifying them into 31 size channels. The test results at majority of the monitoring locations were well above the limits specified in the National Ambient Air Quality Standards of India. Microscopic studies of the dust samples were carried out for surface texture and particle shape. The spatial distribution of particles was analysed using geographic information system (GIS) for the visual identification of the extent of the pollution by keeping the cement factory as the focal point. The results from the GIS and microscopic analysis established the role of the cement factory in the particulate matter pollution of its surroundings, specifically in the areas North-West of the factory. The successfully adopted procedure can serve as a guideline for the environmental forensic investigation of similar pollution incidences. 相似文献
7.
S.S. Mayakaduwa Indika Herath Yong Sik Ok Dinesh Mohan Meththika Vithanage 《Environmental science and pollution research international》2017,24(29):22755-22763
Biochar has been considered as a potential sorbent for removal of frequently detected pesticides in water. In the present study, modified and non-modified rice husk biochars were used for aqueous carbofuran removal. Rice husk biochars were produced at 300, 500, and 700 °C in slow pyrolysis and further exposed to steam activation. Biochars were physicochemically characterized using proximate, ultimate, FTIR methods and used to examine equilibrium and dynamic adsorption of carbofuran. Increasing pyrolysis temperature led to a decrease of biochar yield and increase of porosity, surface area, and adsorption capacities which were further enhanced by steam activation. Carbofuran adsorption was pH-dependant, and the maximum (161 mg g?1) occurred in the vicinity of pH 5, on steam-activated biochar produced at 700 °C. Freundlich model best fitted the sorption equilibrium data. Both chemisorption and physisorption interactions on heterogeneous adsorbent surface may involve in carbofuran adsorption. Langmuir kinetics could be applied to describe carbofuran adsorption in a fixed bed. A higher carbofuran volume was treated in a column bed by a steam-activated biochar versus non-activated biochars. Overall, steam-activated rice husk biochar can be highlighted as a promising low-cost sustainable material for aqueous carbofuran removal. 相似文献
8.
In this communication, a new design of solar-energy-based water distillation cum drying unit with parabolic reflector has been designed, fabricated, and tested. Bitter gourd and potato slices are chosen as a drying commodity. Thermal performance of the developed system has been evaluated based on the experimental results and using linear regression analysis. Heat transfer coefficients (convective, evaporative, and radiative) for solar distillation system have been observed to be 2.48–4.09, 13.25–52.38, and 8.75–9.66 W/m2°C, respectively. Overall thermal efficiency and exergy efficiency for the distillation system has been found to be 18.77% and 1.2%, respectively. The convective heat transfer coefficient for potato slices are observed higher for initial hours and decreases as the day progresses. The average convective heat transfer coefficients for bitter gourd and potato slices have been observed as 2.18 and 5.04 W/m2°C, respectively. Experimental error in terms of percent uncertainty for bitter gourd and potato slices are found to be 42.93% and 37.06%, respectively. The present design of solar distillation and drying in a single unit could be beneficial for the development of remote, arid, and rural areas. 相似文献
9.
N. Mithil Kumar K. Varaprasad G. Ramachandra Reddy G. Siva Mohan Reddy Y. Sivabharathi G. Venkata Subba Reddy S. Venkata Naidu 《Journal of Polymers and the Environment》2011,19(1):225-229
Synthesis and characterization of novel biodegradable, water soluble and optically active DL-malic acid (DMA) and citric acid
(CA) copolymers were studied for possible use as antibacterial agents. The copolymers were synthesized by direct bulk melt
condensation in the absence of a catalyst above 150 °C. Characterization of obtained copolymers was carried out with the help
of infrared absorption spectra, differential scanning calorimetry and thermo gravimetric analysis. The antibacterial activity
of copolymers against bacteria was investigated. The results obtained shows the above copolymers possess a broad wound dressing
activity against different types of bacteria and may be useful as antibacterial agents. 相似文献
10.
Mahesh Subramony 《组织行为杂志》2011,32(6):850-868
This study explored the unit‐level antecedents and outcomes of contingent workers' attitudes toward their temporary help services (THS) firm. It was proposed that (a) client‐orientation levels of the THS firm's full‐time staff would influence the level of support received by contingent workers, (b) staff supportiveness would be reciprocated by these workers in the form of favorable firm‐directed attitudes, and (c) contingent workers' attitudes toward the THS firm would influence two unit‐level outcomes—client reported service failure, and voluntary turnover rates of THS staff. Support was found for all the hypothesized relationships in a longitudinal study utilizing survey data gathered from 1324 full‐time employees, 570 contingent workers, and 1951 clients; and archival data on staff turnover from 46 strategic business units (SBUs) of a THS firm. These results are discussed within the context of employee–organization relationship (EOR), contingent workforce, and service management literatures. Copyright © 2010 John Wiley & Sons, Ltd. 相似文献