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51.
Romshoo Shakil Ahmad Murtaza Khalid Omar Shah Waheed Ramzan Tawseef Ameen Ummer Bhat Mustafa Hameed 《Environmental science and pollution research international》2022,29(35):52732-52751
Environmental Science and Pollution Research - The Himalayan glaciers provide water to a large population in south Asia for a variety of purposes and ecosystem services. As a result, regional... 相似文献
52.
Rehman Zia ur Khalid Usama 《Environmental science and pollution research international》2022,29(12):17001-17016
Environmental Science and Pollution Research - The balanced amelioration of mechanical characteristics of fat clay with an additive refers to the attainment of high strength without compromising... 相似文献
53.
Bhatia Saurabh Al-Harrasi Ahmed Behl Tapan Anwer Md. Khalid Ahmed Mohammed Muqtader Mittal Vineet Kaushik Deepak Chigurupati Sridevi Kabir Md. Tanvir Sharma Pritam Babu Chaugule Bhupal Vargas-de-la-Cruz Celia 《Environmental science and pollution research international》2022,29(10):14380-14392
Environmental Science and Pollution Research - Several studies have suggested the direct relationship between skin complications, air pollution, and UV irradiation. UVB radiations cause various... 相似文献
54.
Brahim Chekima Sohaib Chekima Syed Azizi Wafa Syed Khalid Wafa Oswald @ Aisat Igau Stephen Laison Sondoh Jr. 《国际发展与全球生态学杂志》2016,23(2):210-220
As a result of human lifestyles and unsustainable consumption patterns, the environment continues to deteriorate and thus inhibit sustainable development. In order to curb this situation and promote a sustainable economy, one of the solution is to reduce conventional products consumption and shift to green products. Over the past 20 years, marketing managers keenly seek to understand the green market; however, inadequate information on how to promote consumers’ green behavioral intentions is slowing the growth of green markets and becomes a barrier for firms when developing segments and communicating strategies for effective promotion of green products in countries like Malaysia where the trend is fairly new. Therefore, this study attempts to examine the impact of environmental knowledge, cultural values, and environmental advertising and determine the moderating effect of income level, education level, and gender on consumers’ green purchase intentions. A survey was administered, and a total of 405 valid questionnaires were obtained. Structural equation modeling technique was used to evaluate the causal model by using SmartPLS 2.0 software. The finding results suggest that cultural values and environmental advertising are the main influences in building green purchase intentions, while environmental knowledge is not significantly related. The results also indicate that education level and gender have a significant positive moderation effect while income did not. This suggests that green purchase intentions’ motivational factors are greater among highly educated individuals, with females in particular. The discussions and implications of these findings are further elaborated. 相似文献
55.
Khalid A. Al-Ghanem 《毒物与环境化学》2013,95(5):985-995
Experiments were conducted to determine the effects of excess dietary cobalt (Co) on bioaccumulation, digestive enzyme activities, and growth in freshwater Cyprinus carpio. Four isonitrogenous diets (average crude protein: 35%) were formulated to prepare a control diet (T1) with no Co, and three Co-supplemented diets with 1 (T2), 1.5 (T3), or 2 (T4)% Co. The results showed that C. carpio fed with T3 diet showed maximal apparent protein digestibility, feed conversion, protein utilization, and growth. Protease and lipase activities were maximal in the fish group given T3 diet. Accumulation of Co in different soft and hard tissues of fish did not correlate with levels of Co in the diet. The concentration of Co in the water increased with dietary level, being at a disturbing adverse effect level at 2% dietary Co. Evidence indicates that an additional supply of dietary Co up to a level of 1.5% is a viable option to augment growth of C. carpio, but at higher levels of Co it may be detrimental to fish health and the aquatic ecosystem. 相似文献
56.
Guo Ping Yu Shaocai Wang Liqiang Li Pengfei Li Zhen Mehmood Khalid Chen Xue Liu Weiping Zhu Yannian Yu Xing Alapaty Kiran Lichtfouse Eric Rosenfeld Daniel Seinfeld John H. 《Environmental Chemistry Letters》2019,17(3):1333-1340
Environmental Chemistry Letters - Climate change is predicted to induce more extreme events such as storms, heat waves, drought and floods. Dust storms are frequently occurring in northern China.... 相似文献
57.
Tarek M. Galal Fatma A. Gharib Safia M. Ghazi Khalid H. Mansour 《Environmental science and pollution research international》2017,24(27):21636-21648
Wetland plants are biological filters that play an important role in maintaining aquatic ecosystem and can take up toxic metals from sediments and water. The present study investigated the seasonal variation in the accumulation potential of heavy metals by Cyperus articulatus in contaminated watercourses. Forty quadrats, distributed equally in 8 sites (six contaminated sites along Ismailia canal and two uncontaminated sites along the River Nile), were selected seasonally for sediment, water, and plant investigations. Autumn was the flourishing season of C. articulatus with the highest shoot density, length, and diameter as well as aboveground biomass, while summer showed the least growth performance. The photosynthetic pigments were markedly reduced under contamination stress. C. articulatus plants accumulated concentrations of most heavy metals, except Pb, in their roots higher than the shoots. The plant tissues accumulated the highest concentrations of Fe, Cd, Ni, and Zn during autumn, while Cu and Mn during spring, and Cr and Co during winter. It was found that Cd, Cu, Ni, Zn, Pb, and Co had seasonal bioaccumulation factor (BF) > 1 with the highest BF for Cd, Ni, and Zn during autumn, Co, Cu, and Pb in winter, spring, and summer, respectively. The translocation factor of most heavy metals, except Pb in spring, was <1 indicating potential phytostabilization of these metals. In conclusion, autumn is an ideal season for harvesting C. articulatus in order to monitor pollution in contaminated wetlands. 相似文献
58.
Jawad Ahmad Khan Fahad Pervaiz Nazar Mohammad Ranjha Muhammad Naeem Nayab Khalid Zeeshan Javaid 《Journal of Polymers and the Environment》2017,25(3):556-568
In the present work covalently crosslinked smart polymeric system of hydrogel based on poly vinyl alcohol (PVA) and methacrylic acid (MA) was designed by free radical polymerization with different compositions using glyoxal (40 % water solution) as crosslinker. It was observed that swelling of hydrogel had a pronounced enhancing effect on increasing the concentration of MA due to availability of more ionized carboxylic groups of MA but produced an opposite effect on increasing the concentration of glyoxal owing to less porous structure. As far as PVA is concerned, swelling did not show significant effect on increasing the concentration of PVA. Hydrophilic polymer PVA rich in hydroxyl group pertained to be highly interactive with water. It was examined that the release of metoprolol tartrate decreased with increased concentration of glyoxal, but increased with increase in concentration of MA. PVA/MA hydrogel was characterized by Fourier transform infrared spectroscopy and X-ray diffraction to study the structure and crystallinity of hydrogel respectively. Morphology was studied through scanning electron microscopy. Furthermore differential scanning calorimetry and thermogravimetric analysis were also performed to characterize thermal stability. It may be concluded that the mechanism of drug release was mainly non-Fickian diffusion. 相似文献
59.
Siewhui Chong Guan-Ting Pan Mohammad Khalid Thomas C.-K. Yang Shuo-Ting Hung Chao-Ming Huang 《Journal of Polymers and the Environment》2017,25(2):136-145
3D printing has received lots of attention due to its limitless potential and advantages in comparison to traditional manufacturing processes. This study focuses on the most popular type of home 3D printers, namely fused filament fabrication (FFF) printers, which use plastic filaments as the feedstock. The rather high material cost and large amount of plastic waste generated by FFF 3D printers have driven the need for plastic filaments produced from recycled plastic waste. This study evaluates, in terms of physical characterization, the feasibility of using recycled high-density polyethylene (HDPE), one of the most commonly used plastics, as the feedstock for 3D printers, in comparison with the common acrylonitrile butadiene styrene plastic pellets. In-house extrusion using recycled HDPE pellets and flakes is possible. The diameter consistency and extrusion rate results, along with other physical characterization results, including differential scanning calorimetry, thermogravimetric analysis, Fourier transform infrared spectroscopy, Raman spectroscopy, and water absorption, suggest that making filaments from recycled HDPE pellets is a viable option, as the obtained filament has favorable water rejection and comparable extrusion rate and thermal stability. Existing methods for overcoming the warping and adhesion problems in 3D printing with HDPE were also reviewed. In order to increase the market competitiveness of waste-derived filaments, optimization of the extrusion process, studies on the mechanical and aging properties, and development of a standard characterization methodology and database are crucial. 相似文献
60.
The anaerobic digestion of solid organic waste 总被引:5,自引:0,他引:5