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91.
Kusin Faradiella Mohd Hasan Sharifah Nur Munirah Syed Molahid Verma Loretta M. Yusuff Ferdaus Mohamat Jusop Shamsuddin 《Environmental science and pollution research international》2023,30(9):22188-22210
Environmental Science and Pollution Research - Mining waste that is rich in iron-, calcium- and magnesium-bearing minerals can be a potential feedstock for sequestering CO2 by mineral carbonation.... 相似文献
92.
介绍并分析影响单司机值乘驾驶安全可靠性的因素,强调单司机值乘人-机-环境系统安全性中人行为的重要性,提出利用MAS模型对单司机值乘的安全可靠性进行分析。介绍该模型的标定过程,给出其驾驶行为的安全可靠度和Agent模型结合在一起来确定司机决策行为的过程和方法。为提高我国单司机值乘驾驶安全性提供了一种研究方法。 相似文献
93.
Tannery waste is categorized as toxic and hazardous in Malaysia due to its high content of Cr (in excess of 500 mg/kg) and other heavy metals. Heavy metals, when in high enough concentrations, have the potential to be both phytotoxic and zootoxic. Heavy metals are found as contaminants in tannery sludge. This investigation aimed to identify the fate of chromium, cadmium, copper, lead, and zinc concentrations in tannery sludge throughout a 50-day composting cycle. The results of this study showed a general increase in the removal of Cr, Cd, Pb, and to a much smaller extent Zn and Cu, manifested by a decrease in their overall concentrations within the solid fraction of the final product (the decreases were likely the result of leaching). Furthermore, in using a sequential extraction method for sludge composting at different phases of treatment, a large proportion of the heavy metals were found to be associated to the residual fraction (70-80%) and fractions more resistant to extraction, X-NaOH, X-EDTA, X-HNO3 (12-29%). Less than 2% of the metals were bound to bioavailable fractions X-(KNO3+H2O). 相似文献
94.
Jiang Yushi Khaskheli Asadullah Raza Syed Ali Qureshi Muhammad Asif Ahmed Maiyra 《Environmental science and pollution research international》2021,28(11):13323-13339
Environmental Science and Pollution Research - The study intends to explore the following objectives: initially, to examine the non-linear connection between globalization, renewable energy... 相似文献
95.
Anser Muhammad Khalid Syed Qasim Raza Apergis Nicholas 《Environmental science and pollution research international》2021,28(35):48011-48021
Environmental Science and Pollution Research - High levels of CO2 emissions are extensively cited as one of the main global concerns nowadays. Therefore, researchers have been investigating the... 相似文献
96.
Mangi Sajjad Ali Wan Ibrahim Mohd Haziman Jamaluddin Norwati Arshad Mohd Fadzil Khahro Shabir Hussain Putra Jaya Ramadhansyah 《Environmental science and pollution research international》2021,28(43):60787-60797
Environmental Science and Pollution Research - This study investigated the influence of coal bottom ash (CBA) on the concrete properties and evaluate the effects of combined exposure of sulphate... 相似文献
97.
98.
Brassinosteroids protect photosynthetic machinery against the cadmium induced oxidative stress in two tomato cultivars 总被引:2,自引:0,他引:2
The present study was conducted with an aim to gain better insight of brassinosteroid generated response on the effects of cadmium on photosynthetic machinery and active oxygen metabolism in two tomato cultivars (K-25 and Sarvodya). These tomato cultivars were subjected to graded cadmium levels in soil (0, 3, 6, 9 or 12 mg kg−1 soil) with their foliage being sprayed with 0 or 10−8 M of 28-homobrassinolide/24-epibrassinolide (HBL/EBL) at 59 d stage. The results suggested that photosynthetic parameters, leaf water potential and activity of several enzymes (nitrate reductase and carbonic anhydrase) decreased significantly in both the cultivars, to a lesser extent in K-25 than Sarvodya with the increasing levels of cadmium in the soil. However, the activity of antioxidant enzymes and proline content increased in response to metal treatment as well as the application of brassinosteroids (HBL/EBL). Overall, exogenous application of brassinosteroids improved the activity of photosynthetic machinery and that of antioxidant defense system in both the cultivars, and also nullified the damaging effect of metal on these parameters. 相似文献
99.
In vitro and in vivo approaches for the measurement of oral bioavailability of lead (Pb) in contaminated soils: a review 总被引:3,自引:0,他引:3
Zia MH Codling EE Scheckel KG Chaney RL 《Environmental pollution (Barking, Essex : 1987)》2011,159(10):2320-2327
We reviewed the published evidence of lead (Pb) contamination of urban soils, soil Pb risk to children through hand-to-mouth activity, reduction of soil Pb bioavailability due to soil amendments, and methods to assess bioaccessibility which correlate with bioavailability of soil Pb. Feeding tests have shown that urban soils may have much lower Pb bioavailability than previously assumed. Hence bioavailability of soil Pb is the important measure for protection of public health, not total soil Pb. Chemical extraction tests (Pb bioaccessibility) have been developed which are well correlated with the results of bioavailability tests; application of these tests can save money and time compared with feeding tests. Recent findings have revealed that fractional bioaccessibility (bioaccessible compared to total) of Pb in urban soils is only 5-10% of total soil Pb, far lower than the 60% as bioavailable as food-Pb presumed by U.S.-EPA (30% absolute bioavailability used in IEUBK model). 相似文献
100.
Abrar Hussain Hans Larsson Ramune Kuktaite Eva Johansson 《Journal of environmental science and health. Part. B》2013,48(7):751-758
The concentration of six HMs (Cd, Cr, Co, Pb, Hg and Ni) was analysed in 321 organically grown winter and spring wheat genotypes from six genotype groups, i.e. selections, old landraces, primitive wheat, spelt, old cultivars and cultivars. Also the potential risk of individual toxic HM to human health was estimated by using the Hazard Quotient (HQ). Significantly the lowest grain concentration of Cd was found in primitive wheat as compared to all other investigated genotype groups. Intake of HM by consumption of whole wheat grain was not found to pose a health risk to human for any of the investigated genotype groups. The bio-concentration factor of Cd for the different genotype groups indicated a lower ability to accumulate Cd for primitive wheat as compared to other genotype groups. The primitive wheat was found the most promising and might be of interest in future wheat breeding programs to develop wheat genotypes with low HMs concentration in the grain. 相似文献