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31.
C. Biney D. Calamari H. Naeve T. W. Maembe B. Nyakageni M. A. H. Saad 《Chemistry and Ecology》1987,3(1):49-74
The awareness of the harm caused by pollutants to natural environments has led the political and legislative authorities of industrially-developed countries to introduce or review regulations to protect the environment. However, in recent years, all over the world and particularly in many countries in Africa, there has been a remarkable population growth, accompanied by an intense urbanization, an increase of industrial activities and a higher exploitation of cultivable land. These transformations have brought about a huge increase in the quantity of discharges and a wide diversification in the types of pollutants that reach river waters and have undesirable effects on fish and on the potential for fishery exploitation. 相似文献
32.
Samia Galal Saad 《Natural resources forum》1996,20(2):135-144
The global concern for the survival of the planet earth draws particular attention to the Third World countries and the impact of degrading forces on sustainable development. A different response to the growing ecological crisis has recently come to the fore. This response comes from women engaged in the struggle for survival. Women in the Third World, because of their situation on the fringes of society and their role producing sustenance, are often able to offer ecological insights that are deeper and richer than the recipes of technocrats and international experts or ideas resulting from enquiries addressed only to the men in communities. In the following the author seeks to demonstrate how women often bear the brunt of suffering resulting from environmental degradation, wars and poverty that plague the Near East region. However, training of women, especially poor women, in environmental management, and the active participation of local women in community and regional decision making holds a clear promise of eventually controlling the vicious circle of poverty and environmental degradation. An intermediate step is the coordination of NGO activities in a common front for environmental protection and income generation for the poor. Further training of the NGO's own staff in the design and implementation of such projects is also required. 相似文献
33.
Kurramovich Khudoykulov Khurshid Abro Asif Ali Vaseer Arif I. Khan Saad Uddin Ali Syed Rashid Murshed Muntasir 《Environmental science and pollution research international》2022,29(23):34055-34074
Environmental Science and Pollution Research - Recently, the Japanese government has announced the national objective of turning the economy of Japan carbon–neutral by 2050. This... 相似文献
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Using a bench-scale rig, the activities of Pt, Pd and Pt+Pd catalysts supported on gamma-Al(2)O(3) and on TiO(2) (anatase) for the complete oxidation of methane (300 ppmv) in air have been measured as a function of temperature; values of T(10), T(50) and T(90) together with the Arrhenius parameters (activation energy and pre-exponential factor) are reported. Pt is less active than Pd when deposited on the surface of the TiO(2), but more active when deposited on gamma-Al(2)O(3), however when combined, the Pt+Pd mixture is more active than either metal individually. The T(10) for Pt+Pd/gamma-Al(2)O(3) was being as low as 228 degrees C. The significance of the Arrhenius parameters, for metal containing catalysts is that they exhibit compensation with increasing activation energy, while securing a more rapid increase in conversion from 0% to 100% when the temperature is increased. 相似文献
38.
Sharif Asmaa Fady AlAmeer Mahdi Riyadh AlSubaie Duhaim Saad Alarfaj Naser Husam AlDawsari Mubarak Khalifah AlAslai Khalid Mansour BuSaleh Mahmoud Jawad AlSabr Abdulaziz Ibrahim Al-Mulhim Khalid Abdulmohsen 《Environmental science and pollution research international》2021,28(43):60511-60525
Environmental Science and Pollution Research - Methanol intoxication is a global problem with serious morbidities and mortalities. Apart from the lifelong disabilities experienced by methanol... 相似文献
39.
J. Gasperi C. Sebastian V. Ruban M. Delamain S. Percot L. Wiest C. Mirande E. Caupos D. Demare M. Diallo Kessoo M. Saad J. J. Schwartz P. Dubois C. Fratta H. Wolff R. Moilleron G. Chebbo C. Cren M. Millet S. Barraud M. C. Gromaire 《Environmental science and pollution research international》2014,21(8):5282-5283
40.
Suhair A. Gayoum Saad 《Environmental monitoring and assessment》2013,185(10):8567-8582
This research had been conducted during year 2012 to review existing data on hospital waste management for some of Khartoum town hospitals and to try to produce appropriate proposals acceptable for waste management and final treatment methods. The overall status of hospital waste management in Khartoum has been assessed through direct visits and designated questionnaires. Eight main hospitals were covered in the study with an overall bed capacity of 2,978. The current waste management practice observed at all studied hospitals was that most of waste, office, general, food, construction debris, and hazardous chemical materials were all mixed together as they are generated, collected, and finally disposed of. Only a small portion of waste in some hospitals (part of potentially infectious, body parts, and sharps) are collected separately and treated in a central incinerator. The estimated value of per bed generation rate in the studied hospitals was found to be 0.87 kg/day, which lies within the range for the low-income countries. In all studied hospitals, it was found that workers were working under very poor unsafe conditions with very low salaries ($35 to $45 per month on average). About 90 % were completely illiterate or had very low education levels. At the national level, no laws considering hospital waste, or even hazardous waste, were found; only some federal general environmental regulations and some procedures from town and city localities for controlling general municipal waste exist. At the hospital level, no policies or rules were found, except in the radiotherapy center, where they manage radioactive wastes under the laws of the Sudanese Atomic Agency. Urgent actions are needed for the remediation and prevention of hazards associated with this type of waste. 相似文献