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681.
Bashir Muhammad Farhan 《Environmental science and pollution research international》2022,29(32):48210-48232
Environmental Science and Pollution Research - In order to reduce environmental degradation, there has been an increased focus on identifying the main conftributors to environmental degradation and... 相似文献
682.
Sreekala Aparna Ganapathy Vilasam Ismail Muhammad Heikal Bin Nathan Vinod Kumar 《Environmental science and pollution research international》2022,29(42):62755-62784
Environmental Science and Pollution Research - Over the last few decades, the globe is facing tremendous effects due to the unnecessary piling of municipal solid waste among which food waste holds... 相似文献
683.
Adeel Shahid Kiran Shumaila Abbas Mazhar Batool Fatima Hussaan Muhammad Amin Nimra 《Environmental science and pollution research international》2022,29(21):31270-31277
Environmental Science and Pollution Research - Sustainability in the utilization of products in all fields particularly food textiles, solar cells, etc. is of prime concern to the global community.... 相似文献
684.
Ye Qing Asmi Fahad Anwar Muhammad Azfar Zhou Rongting Siddiquei Ahmad Nabeel 《Environmental science and pollution research international》2022,29(5):6463-6478
Environmental Science and Pollution Research - The COVID-19 pandemic has negatively affected the economic, social, and psychological aspects globally. COVID-19 can possibly spread through municipal... 相似文献
685.
Muhammad Wasim Shahrukh Shoaib N. M. Mubarak Inamuddin Abdullah M. Asiri 《Environmental Chemistry Letters》2018,16(3):861-879
Deterioration of buried metal pipes due to corrosive soil environment is a major issue worlwide. Although failures of buried pipe due to corrosive soil is an old problem, yet such failures are still uncontrollable even with the application of advanced corrosion protection technologies. Therefore, understanding factors causing corrosion of buried pipes is necessary. This article reviews factors causing corrosion of buried pipes in soils. Factors include moisture content, soil resistivity, pH, dissolved oxygen, temperature and microbial activity. Moreover, we discuss the influence of manufacturing method and the comparison of corrosion behaviour of cast iron, ductile and mild steel pipes. We found that corrosion rate of pipes increases with moisture contents up to the critical moisture value. Although pH affects corrosion, there is no relationship between corrosion and pH and the corrosion rates of buried pipes are inversely proportional to soil resistivity. Soils containing more organic matter show high resistivity. Dissolved oxygen in soil develops differential cell which accelerates corrosion of metallic pipe. Different types of bacteria present in soil develop biofilms on metallic pipes, which deteriorates pipes with time. 相似文献
686.
Social capital's role in recovery: evidence from communities affected by the 2010 Pakistan floods 下载免费PDF全文
Pakistan suffered large‐scale flooding in summer 2010 that caused damage amounting to approximately USD 43 billion, claimed the lives of at least 1,700 people, and negatively affected some 20 million others. Observers have debated the degree to which social capital plays a role in recovery after a catastrophe of this magnitude. Using new survey data on 450 residents impacted by the disaster, this study found that, controlling for various confounding factors, the social capital levels of victims serve as robust correlates of life recovery. Other important variables connected with recovery include education and income, family size, occupation, material damage suffered, stability of home, and trauma experience. The findings point to a number of relevant policy recommendations, most notably that during and following major shocks, disaster managers should work to keep the social networks of victims intact so that they can benefit from interaction with family, friends, and neighbours. 相似文献
687.
Hasan Muhammad Abdullah Tsuyoshi Akiyama Michio Shibayama Yoshio Awaya 《国际发展与全球生态学杂志》2013,20(5):384-392
Biomass estimation in agroecosystems (AESs) is important to understand their role in carbon exchange for a sustainable environment. We used field spectra and sampled biomass of an AES including cultivated and abandoned croplands to develop a simple biomass estimation model. The digital number (DN) of a QuickBird (QB) satellite image was converted to a reflectance factor using the dark object subtraction method and the spectral reflectance of asphalt. The relationship between the reflectance factor of field-based spectra and the QB image obtained in early July 2007 was insignificant in the blue (R 2 = 0.15) and green (R 2 = 0.18) bands but was significant (p < 0.05) in the red (R 2 = 0.57) and near-infrared (NIR, R 2 = 0.45) bands in the AES. Better correlations were obtained between field-based and QB-based vegetation indices (VIs). The best correlations were obtained with the normalized difference vegetation index (NDVI) (R 2 = 0.97, p < 0.001) and the ratio vegetation index (RVI) (R 2 = 0.99, p < 0.001). Biomass was significantly correlated with both field-based NDVI and RVI (R 2 = 0.79 and 0.72, respectively, p < 0.001). Although RVI saturated at higher biomass densities (>600 g m?2), NDVI showed a linear relationship. Other field-based VIs showed poorer correlations with biomass. The model was evaluated by incorporating it into high-resolution QB images to obtain the observed biomass. The relationship between field-estimated and QB-observed biomass appeared to be a one-to-one linear relationship (R 2 = 0.79). Thus, models using field spectra and sampled biomass can be applied to QB images for remote estimation of biomass in an AES. 相似文献
688.
The selective catalytic reduction (SCR) characteristics of NO and NO(2) over V(2)O(5)-WO(3)-MnO(2)/TiO(2) catalyst using ammonia as a reducing agent have been determined in a fixed-bed reactor at 200-400 degrees C. The presence of NO(2) enhances the SCR activity at lower temperatures and the optimum ratio of NO(2)/NO(x) is found to be 0.5. During the SCR reactions, there are some side reactions occurred such as ammonia oxidation and N(2)O formation. At higher temperatures, the selective catalytic oxidation of ammonia and the nitrous oxide formation compete with the SCR reactions. The denitrification (DeNO(x)) conversion decreases at lower temperatures but it increases at higher temperatures with increasing SO(2) concentration. The presence of SO(2) in the feeds inhibits N(2)O formation. 相似文献
689.
Global warming, the major environmental issue confronted by humanity today, is caused by rising level of green house gases. Carbon capture and storage technologies offer potential for tapering CO2 emission in the atmosphere. Adsorption is believed to be a promising technology for CO2 capture. For this purpose, a polyester was synthesized by polycondensation of1,3,5-benzenetricarbonyl trichloride and cyanuric acid in pyridine and dichloromethane mixture. The polymer was then characterized using FT-IR, TGA, BET surface area and pore size analysis, FESEM and CO2 adsorption measurements. The CO2 adsorption capacities of the polyester were evaluated at a pressure of 1 bar and two different temperatures(273 and 298 K).The performance of these materials to adsorb CO2 at atmospheric pressure was measured by optimum CO2 uptake of 0.244 mmol/g at 273 K. The synthesized polyester, therefore, has the potential to be exploited as CO2 adsorbent in pre-combustion capture process. 相似文献
690.
Alnawajha Mohammad Mohammad Kurniawan Setyo Budi Imron Muhammad Fauzul Abdullah Siti Rozaimah Sheikh Hasan Hassimi Abu Othman Ahmad Razi 《Environmental science and pollution research international》2022,29(39):58430-58453
Environmental Science and Pollution Research - The increasing intensification of the aquaculture industry requires the development of new strategies to reduce the negative impacts of wastewater on... 相似文献