Environmental Memorial Day
International Wetlands Day
February 2 is International Wetland Day. According to the Convention on Wetlands of International Importance Especially as Waterfowl Habitat, signed in RAMSAR, Iran in 1971, wetlands are “long-term or temporary swamps, peatlands, or watersheds with static Or flow, or fresh water, brackish water, salty water bodies, including waters that do not exceed 6 meters in low tide." Wetlands play an important role in protecting biodiversity, especially the livelihood and migration of poultry.
World Water Day
On January 18, 1993, the forty-seventh session of the United Nations General Assembly resolved to determine March 22 of each year as the "World Water Day." The resolution asks governments to carry out specific activities on this day based on their own national conditions in order to raise public awareness. Since 1994, the Chinese government has changed the “China Water Week†time from March 22 to 28 of each year, so that the publicity campaign will further highlight the theme of “World Water Dayâ€.
World Meteorological Day
In 1960, the World Meteorological Organization designated March 23 as "World Meteorological Day" to raise public awareness of meteorological issues.
Earth Day 1969 US Senator Gaylord Nelson of Wisconsin proposed to hold lectures on environmental issues on the campuses of American universities. Soon, Dennis Hayes, a student at Harvard University Law School, extended Nelson's proposal to organize a large-scale community environmental campaign in the United States and selected April 22, 1970 as the first "Earth Day." On that day, there were more than 20 million people in the United States, including members of the National Assembly and people from all walks of life, who participated in this grand scale environmental protection event. Throughout the country, people shouted slogans of protecting the environment, marched on the streets and campuses, parades, rally, speeches, and propaganda. Subsequently, the influence gradually expanded and exceeded the borders of the United States, and it received positive responses from many countries in the world. It eventually became a worldwide environmental protection movement. April 22 has also become a global "Earth Day." On this day of the year, various forms of mass environmental protection activities will be carried out throughout the world.
World No Tobacco Day In 1987, the World Health Organization designated May 31 as “World No Tobacco Day†to remind people to pay attention to the harm of cigarettes to human health.
World Environment Day In the 1960s and 1970s, with the deepening of environmental protection campaigns in various countries, environmental issues have become major social issues. Some environmental problems that cross national borders frequently appear, and environmental issues and environmental protection have gradually entered international social life. From 5 to 16 June 1972, the United Nations held a conference on human environment in Stockholm. Government representatives from 113 countries and non-governmental practitioners discussed the issues of the world’s contemporary environmental issues and the protection of the global environment and formulated the “United Nations Conference on the Human Environmentâ€. The "Declaration" and the 109th "Action Plan" for the protection of the global environment propose 7 common ideas and 26 common principles to encourage and guide the peoples of the world to maintain and improve the human environment. It is proposed that the opening day of this conference be held. Designated as "World Environment Day." In October 1972, the 27th session of the United Nations General Assembly passed a resolution, setting June 5 as "World Environment Day." According to the world's major environmental issues and environmental hot spots of the year, the United Nations formulated the theme of the annual World Environment Day. Every year, the UN system and national governments carry out various activities to promote the importance of protecting and improving the human environment. The UN Environment Programme also publishes the Annual Report on the Status of the Environment and holds the “Global 500 Best†International Conference.
The World Day to Combat Desertification and Drought Day As the growing problem of global desertification continues to threaten the survival of humankind, since June 1995, every year on June 17th it has been designated as the “World Day to Combat Desertification and Droughtâ€.
World Population Day was marked on July 11 , 1987, with the birth of a Yugoslav infant and the world’s population exceeded 5 billion. In 1990, the United Nations designated July 11 as the "World Population Day."
International Day for the Protection of the Ozone Layer On September 16 , 1987, 46 countries signed the Montreal Protocol on Substances that Deplete the Ozone Layer in Montreal, Canada, and began to take concrete actions to protect the ozone layer. The United Nations established this anniversary to arouse people’s awareness of the protection of the ozone layer and take concerted actions to protect the environment and human health.
World Animal Day
The Italian missionary St. Francis advocated more than 100 years ago on October 4th to “giving thanks to animals that give love to humansâ€. In honor of him, people set October 4 as "World Animal Day."
World Food Day The world’s food is increasingly in short supply along with the rapid population growth. Since 1981, every October 16th has been designated World Food Day.
The International Biodiversity Day (CBD) Convention on Biological Diversity entered into force on December 29, 1993. To commemorate this meaningful day, the UN General Assembly passed a resolution that reads “International Biodiversity†on December 29 every year since 1995. Sex day."
Ten environmental disasters threaten humanity
I. Soil Destruction According to information reports, the fertility of arable land in 110 countries (1 billion people) is decreasing. In Africa, Asia, and Latin America, due to the disappearance of forest vegetation, overexploitation of cultivated land, and overgrazing of pastures, soil erosion is very serious. The exposed land has become fragile and cannot withstand the erosion of wind and rain for a long time. In some places, the annual loss of soil can reach 100 tons per hectare. Excessive use of chemical fertilizers and pesticides, the fall of toxic dust associated with air pollution, the spraying of mud everywhere, and the dumping of hazardous waste everywhere, all of which are generally irreversible pollution to the land.
Second, climate change and energy waste The greenhouse effect seriously threatens the entire human population.
According to 2,500 representative experts, sea levels will rise, and many densely populated areas (such as Bangladesh, China's coastal areas, and most of the islands in the Pacific and Indian Ocean) will flood the water. The increase in temperature will also have a serious impact on agriculture and ecosystems. It is estimated that from 1990 to 2010, energy consumption in Asia and the Pacific will have doubled, and Latin American energy consumption will increase by 50%-70%. Therefore, the transfer process of energy-saving technologies should be strengthened between the West and developing countries. In particular, we should use economic incentives to enable industrialists to develop process technologies that improve the efficiency of the use of industrial resources.
III. Reduction of biological diversity Due to urbanization, agricultural development, forest reduction, and environmental pollution, natural areas have become smaller and smaller, which has led to the extinction of thousands of species. Because the extinction of some species will lead to the disappearance of many molecules that can be used to make new drugs, it will also lead to the disappearance of many genes that can help crops overcome the bad weather, and even cause new plagues.
4. Decrease in Forest Area In recent decades, the reduction in the forest area in the tropical regions has also been very serious. In 1980-1990, there were 150 million hectares of forest in the world disappeared. According to the current rate of decline of this forest area, 40 years later, some Southeast Asian countries will not see a tree.
V. The threat to freshwater resources According to estimates by experts, from the beginning of the next century, there will be a quarter of the world's long-term lack of water. Remember, we cannot create water. We can only try to protect the water.
Six, millions of chemical compounds brought by the chemical pollution industry exist in air, soil, water, plants, animals and humans. Even the ice sheet, which is the last large natural ecosystem on Earth, is contaminated. Those organic compounds, those heavy metals, and those toxic products are all concentrated in the entire food chain and will eventually threaten the health of plants and animals, cause cancer, and lead to weakened soil fertility.
VII. Chaotic urbanization By the end of this century, there will be 21 major cities in the world. The living conditions in big cities will deteriorate further: crowding, water pollution, poor sanitation, and lack of security. --- The disorderly expansion of these big cities has also damaged natural areas. Therefore, unrestrained urbanization should be seen as a new drawback of civilization.
VIII. Transitional development of the ocean and pollution of the coastal zone Due to overfishing, the marine fishery resources are decreasing at a terrible rate. As a result, many poor people who depend on the intake of seafood proteins face the threat of hunger. Concentration of heavy metals and organophosphorus compounds present in fish species can cause serious problems for the health of fish eaters. The coastal areas are under tremendous population pressure. 60% of the world's population is crowded less than 100 kilometers from the sea. This state of crowdedness makes the places that are often fragile unbalanced.
9. Air Pollution Air in most major cities contains many pollutants from heating, transportation and factory production. These pollutants threaten the health of tens of millions of people and cause many people to lose their lives.
X. Polar ozone hole Although people have signed the Montreal Protocol, every spring, ozone holes are still formed over the two polar regions of the Earth. The Arctic ozone layer loses 20% to 30%, and the Antarctic ozone layer loses more than 50%.
Citizens' Environmental Code of Conduct
1. Proud to Save Water - Close Water Taps at All Times, Don't Let Water Flow China is one of the 12 poor countries in the world, and freshwater resources are less than a quarter of the world's per capita water. More than half of water shortages in more than 600 cities in the country, of which 108 serious water shortages. The scarcity of surface water resources causes excessive exploitation of groundwater. In the 1950s, Beijing's wells were able to produce water about 5 meters below the surface. The 40,000 wells in Beijing now have an average depth of 49 meters, and groundwater resources are nearly depleted.
2. Water source for protection - Protecting water sources is to protect life According to environmental monitoring, about 100 million tons of sewage are discharged into water bodies every day. More than half of the seven river systems in the country are polluted. Of the 35 key lakes, 17 are seriously polluted, and one third of the country's water bodies are not suitable for irrigation. More than 90% of urban waters are heavily polluted, and more than 50% of urban water sources do not meet drinking water standards. 40% of water sources are no longer drinkable. 60%-70% of the total water shortages in southern cities are caused by water pollution.
3. Multi-use of water - letting water reuse 70% of the earth's surface is covered with water, with about 1.4 billion cubic meters of water, of which 96.5% is seawater. Although the rest is freshwater, more than half of them are ice, rivers, lakes, and other water resources that can be used directly, and they only account for about 0.003% of the total amount of water.
4. Stop drip - check maintenance faucet
5. Use cleaners sparingly - Use soap as much as possible to reduce water pollution Most detergents are chemical products. Wastewater with large detergent content is discharged into rivers and it will cause water quality to deteriorate. Improper use of detergents for a long period of time can damage the person's central nervous system, impede the development of intellectual development, reduce the ability to think and analyze, and even cause serious mental disorders. The detergent residue on the clothes will stimulate the skin to develop allergic dermatitis, long-term use of cleaner detergents, carcinogens in the detergent will enter the body from the skin, mouth, and damage health.
6. Concerned about the air quality - don't forget that you are breathing at all times. The monitoring results of the Global Atmosphere Monitoring Network show that the daily average concentration of total suspended particulate matter in the atmosphere of Beijing, Shenyang, Xi'an, Shanghai and Guangzhou cities is 200-500 micrograms of rice, which is 3-9 times more than the WHO standard, is listed among the top ten polluted cities in the world.
7. Turn off the lights - save the province - electricity, and less a country polluting China with thermal power as its main source and coal as its main energy source. Coal accounts for more than 70% of the one-time energy structure. If you develop in the conventional way, to reach the level of the developed countries, at least 10 billion tons of coal will be needed for energy consumption. This will be equivalent to the sum of global energy consumption. When coal is burned, it will emit a large amount of harmful gases, which will seriously pollute the atmosphere. And the formation of acid rain and greenhouse effect.
8. Use of Electrical Appliances - A large amount of coal, natural gas, and petroleum fuels are used in industrial, commercial, housing, and transportation to reduce global warming. The excess carbon dioxide produced when these fuels are burned acts like a glass cover, blocking heat from the ground to the outer space, trapping hot air in the atmosphere, creating a “greenhouse effect,†and “greenhouse effect†mutating the global climate and causing catastrophic drought. Floods and floods have melted the Arctic icebergs, causing sea levels to rise. Scientists estimate that if the warming trend continues, lower elevations in Bangladesh, the Netherlands, Egypt, China's low-lying deltas, and other island countries will face the risk of being swallowed by the sea.
9. Reducing the use of air-conditioning - reducing energy consumption Coal and other fuels emit carbon and nitrogen oxides in the form of gas during combustion. These oxides combine with water vapor in the air to form highly corrosive sulfuric acid and nitric acid. The snow, the fog, and the fog fall back to the ground. This is the acid rain, which is called "the death of the air." There are three major acid rain regions in the world: the United States and Canada, the Nordic region, and the southern region of China. Acid rain can not only strongly corrode buildings, but also acidify the soil, causing trees to die, crops to be reduced, lake water to become acidic, and fish and shrimp dead. Due to the heavy use of coal fuel in China, the economic losses caused by acid rain pollution each year amount to about 20 billion yuan. The acidity of precipitation in our acid rain area is still rising and the area is still expanding.
10. Support green lighting - Everyone uses energy-saving lamps "China Green Lighting Project" is one of China's energy-saving priorities. According to the implementation plan of the project, during the Ninth Five-Year Plan period, the country will promote energy-efficient lighting fixtures. By the year 2000, it will strive to save 22 billion kilowatt-hours of electricity for lighting and save the corresponding coal-fired power plants, reducing emissions of sulphur dioxide, nitrogen oxides, dust, ash and carbon dioxide.
11. Use of renewable resources - Don't wait until the day when energy is depleted. 90% of the energy currently used by humans is oil, natural gas, and coal. The formation of these fuels takes hundreds of millions of years and is a non-renewable resource. Solar, wind, tidal and geothermal energy are renewable and are called renewable energy. People call those energy sources that do not pollute the environment "clean energy."
12. Doing “Boss Racesâ€â€”Taking Public Transport Vehicles as Promise China's capital, Beijing, has nearly 1.2 million motor vehicles, which is only 1/6th of the motor vehicles in cities such as Tokyo and New York. However, the concentration of pollutants emitted by each vehicle is 3 to 10 times higher than that of similar foreign vehicles. In the atmosphere of Beijing, 73% of hydrocarbons, 63% of carbon monoxide, and 37% of nitrogen oxides come from emissions from motor vehicles.
13. When the "bicycle hero" - the protection of the atmosphere began in Europe, many people are willing to ride a bicycle to work in order to reduce the air pollution caused by driving, such people are respected as an environmental guard. U.S. newspapers often mobilize people to go shopping in supermarkets and try to buy more necessities as much as possible, reducing the number of visits to supermarkets in order to save gas and reduce air pollution. The influential American Bicycle Association has been calling on the government to build bicycle lanes while it is building roads. In Germany, many families prefer to use the same car to go out with their neighbors in order to reduce the emissions of car exhaust. In order to clean the air of the city, Teheran, the capital of Iran, has established a "private car day." On this day, the Iranian president also joined the public to go to work by bus. In Shanghai, China, some company employees often take a taxi together.
14. Reduction of tail gas emissions - the driver's responsibility The Law of the People's Republic of China on Air Pollution Prevention and Control stipulates that emissions from motor vehicles to the atmosphere must not exceed the prescribed emission standards, and should be applied to motor vehicles that exceed the prescribed discharge standards. Measures shall not be used to manufacture, sell, or import vehicles that emit pollutants that exceed the state's emission standards.
15. Unleaded Gasoline - Driver's Choice A car using leaded gasoline will emit lead through the exhaust. These lead particles inhale into the human body with the breath, will injure the human nervous system, will also accumulate in the human skeleton; If falls in the soil or the river, will absorb by the various animals and plants and enters the human food chain. Lead accumulates in the human body to a certain degree, causing people to get anemia, hepatitis, pneumonia, emphysema, angina, neurasthenia and other diseases.
16. Cherish the paper - that is, valuing the soaring demand for forests and river paper is one of the reasons for the increase in timber consumption. The annual national paper consumption consumes 10 million cubic meters of wood, imports more than 1.3 million tons of wood pulp, and imports more than 4 million tons of paper. How many trees to cut? The large amount of paper consumption not only causes forest destruction, but also causes serious pollution of rivers and lakes due to the production of wastewater discharged from pulp (the papermaking industry accounts for more than 30% of the total water pollution).
17. Use of Recycled Paper - Reducing Deforestation China's forest coverage is only one quarter of the world average. According to statistics, the number of forests in China dropped by 23% in 10 years, and the volume of deforestation decreased by 50%. The natural forests in Xishuangbanna, Yunnan, have disappeared in the progress of about 16,000 hectares each year since the 50s. At that time, 55% of the original forest cover has now been reduced by half.
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Specifications
300/500V 450/750V Copper-Stranded-Cable-BVR flexible wire PVC insulated laying Power Cord
300/500V 450/750V Copper-Stranded-Cable-BVR flexible wire PVC insulated laying power cord
1. The rated voltage of the wires should equal to or higher then the rated voltage of the system when\ wires are used at AC system. If the wires are used at DC system, the rated voltage of system should
lower then 1.5 times as high as rated voltage of cable and wires. The working voltage of the system could be
1.1 times as high as the rated voltage of the cable.
2. The long term working temperature should lower then 70oC. The working temperature of BV-90 should lower then 90oC. And the laying temperature should higher then 0oC.
3. 3. The curve diameter of the wire should longer than 8 times of the diameter of the outer diameter of cable and wires if their outer diameter is 25 mm or above. If the diameter of cable and wires is above 25 mm,the curve diameter should be at least 12 times of the outer diameter of the cable and wires.
Type |
Name |
Laying place and requirement |
Long term working Temperature 0C |
60227IEC01 05 BV BLV |
Copper conductor PVC insulated wires Aluminum conductor PVC insulated wires |
Fixed laid indoors Conduit etc. |
70 |
60227IEC07 (BV-90) |
Heat resistant copper conductor PVC insulated wire at 90 0C |
Mainly be laid at the places of high temperature environment and can be laid indoors, conduits. |
90 |
BVR |
Copper conductor PVC insulated flexible cable |
Be for laying permanent place where flexible required. |
70 |
60227IEC10 (BVV) BVV |
Copper conductor PVC insulated PVC sheathed round wires |
Fixed laid, fit for the places with high mechanical protection and moisture place, can be laid in the air or underground. |
70 |
BLVV |
Aluminum conductor PVC insulated PVC sheathed round wires |
||
BVVB |
Copper conductor PVC insulated PVC sheathed flat wires |
||
BLVVB |
Aluminum conductor PVC insulated PVC sheathed flat wires |
||
60227IEC02(RV) 60227IEC06(RV) |
Copper conductor PVC insulated flexible connector wire |
Mainly used at middle and light style moving electronics, home appliances, power and lighting and the places where flexible required |
70 |
60227IEC42(RVB) |
Copper conductor PVC insulated flat flexible connector wire |
||
RVS
|
Copper conductor PVC insulated flexible twisting connector wire |
||
60227IEC52(RVV) 60227IEC53 |
Copper conductor PVC insulated PVC sheathed round flexible connector wire |
||
60227IEC08 (RV-90)
|
Cu conductor heat resistant PVC insulated flexible connector wire at 90 0C |
Mainly used at the places where heat res |
Power Cord
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