بحث... ساعدووني - منتديات الجلفة لكل الجزائريين و العرب

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المواد العلمية و التقنية كل ما يخص المواد العلمية و التقنية: الرياضيات - العلوم الطبيعة والحياة - العلوم الفيزيائية - الهندسة المدنية - هندسة الطرائق - الهندسة الميكانيكية - الهندسة الكهربائية - إعلام آلي.

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بحث... ساعدووني

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قديم 2017-03-08, 17:45   رقم المشاركة : 1
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افتراضي بحث... ساعدووني

السلام عليكم
ممكن اعطائي اسباب ونتائج وحلول تلوث المياه
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قديم 2017-03-08, 20:43   رقم المشاركة : 2
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افتراضي

The causes of sewage, which in turn are exposed to contamination by harmful microbes and some of the bacteria types of water pollution, is human behavior is systematic about it why being contaminated sources of water, where the disposal of some countries as usual at rivers and lakes directly, or in places close to the ground water, so it spills after time to contaminate groundwater wells. Industrial waste is one of the most important pollutants of water, which in turn includes food waste, synthetic fibers, and chemical residues resulting from the factories, where these residues lead to injury of water pollution due to all of the fat, and blood, and alkalis, dyes, chemicals, oil, and vehicles Petroleum, to along with the toxic side salts, such as salts, arsenic, and mercury. Radioactive materials: one of the most the most dangerous types of pollutants, water and most dangerous remnants of atomic plants, reactors, and nuclear tests when they reach the water more or less where they may is disposed of neglect and ignore disposers international laws that require burial in the same prestigious properties on certain depth lead boxes, or leakage, which sometimes happens. Human waste, which are issued, as is evident from its name due to the human factor. Natural pollution is a drift that winning materials leading to pollution and some of the waste, the oceans and seas. Fertilizers AGRO: contaminated water and hazardous materials due to the capacity and access to groundwater, and therefore pollution, along with the ability of these fertilizers to move through each of the drainage and flooding to the bodies of water in all its forms and surface water. Pesticides also causes pollution, where the flow of these pesticides with wastewater to the banks, leading to water pollution along to the killing of many marine organisms in addition to fish.
Water pollution solutions: pass airflow strong; so as to remove gases and volatiles dissolved in water, such as hydrogen sulfide gas. The use of natural filters of gravel, sand, mud and silt at different heights; so as to filter the water of impurities and prevent the passage of waste material. In the past, using chlorine to purify water from pollution, but after the discovery of dangerous and configured to cancerous compounds it has been replaced by the ozone gas, which is about three atoms of oxygen. Avoid the use of pesticides and chemical compounds that will endure in nature does not degrade or disintegrate. Trying to make a grasp of drilling waste water away from water sources, particularly groundwater, or work to purify and filter the water first hand and take advantage of them. The enactment of laws under which the protection of water sources from pollution, such as: to prevent construction in certain areas and to prevent the use of chemicals in specific areas in order to protect the water from pollution. Work digging private storage of water used and to work on filtered directly before the arrival of the soil.
The dangers of water pollution on human health impact of water pollution on human and other organisms and the environment around us in many different ways, but the first effects of the negative consequences of water pollution lies in the failure to find sources of fresh water and drinking contaminated water, it may affect human without drinking it directly , since eating plants irrigated with polluted water or fish and marine organisms that live in contaminated water also lead to human exposure to various diseases resulting from water pollution. Exposure to contaminated water could lead directly or indirectly to the poisoning as a result of the presence of toxic substances in the water such as mercury, for example, which is considered one of the most dangerous toxic substances in humans exposed, it is also a mercury great danger as a result of the increasing quantities in a very large ocean waters , rivers, and seas as a result of throwing industrial waste, which contain high amounts of mercury in the water, and thus exposed to marine organisms, water them, which poses a great danger when ingested, and is mercury only one of many toxic substances found in the marine environment and fresh water in the world, which constitute too many risks to human health from the symptoms of nausea and transient Kagaye to various cancers poisoning. The risk of pollution of the marine environment The marine environment is a big part of the environment and nature in the planet, Vdmar the marine environment and the different elements significantly affects the planet in general, leads water pollution poisoning organisms that live in the sea, such as fish, algae, seaweed and other and thus her death and to reduce their number is very large. Risks of water pollution on the other organisms we all know that plants and animals also need to be fresh and uncontaminated water like a human being, and that the animals and birds that drink contaminated water or feed on marine organisms infected with the disease also have a cause of death and also the destruction of the environment in which you live, as also plants it may become contaminated due to contaminated water have the disease which is transmitted to the feeds it may cause her death, in some cases, and as we know that the destruction of the plants eventually lead to pollution of ground in general also reduce very significantly the available food for the rest of organisms.
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قديم 2017-03-09, 18:20   رقم المشاركة : 3
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افتراضي

شكراا جزيلا
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