欣欣公主Q
Indoor Environment Detector Design如果这个环境指空气质量,应该这样说Indoor Air Quality Detector Design手工翻译
贪吃的大吃货
Water pollution and protectShortage of water resources, water resources total ranks sixth in the world, per capita consumption of only 2500m3, about the world per capita water 1/4, ranked 110 in the world, the United Nations has been listed as one of 13 water-poor countries . The extent of serious water pollution, huge losses, the country has a population of 1/4 do not meet health standards for drinking water. Water pollution directly affects the lives of our people, the living environment. The status of surface water quality is not survey found that 25 percent of the river showed eutrophic state, 15% are turning to eutrophication, 100% of the river water hyacinth growth, covering over 30% of the river water hyacinth, 80% of the river there is garbage, 35% of the river impassable blockage, 20% river has become pollution is due to pollutants than self-purification capacity of the river caused. According to the survey, residents of poor awareness of the protection of water resources, the garbage directly into the river, home to the toilet waste directly into the river; agricultural water, the water containing pesticides and fertilizers drain into the river; individual private factories, at the expense of environmental interests the economic benefits, causing serious water pollution directly affect people's lives and production. Conducted using contaminated water for agricultural production will result in cuts; river water hyacinth, blocking the river so that boats can not pass; pollution will make people sick, such as diarrhea, skin diseases, and even cause poisoning, such as Japan's Minamata Disease is one good example of the impact on fisheries production is not be large number of facts tell us that most of our water pollution own human behavior, serious water pollution has caused great attention of governments, I think we should start now, in the governance body of water has been polluted, while protect uncontaminated water bodies and improve fundamentally human quality, and enhance the environmental awareness of humanity.这回呢,这是关于水污染的,如果需要还可以自己加一些案例什么的,但是字数应该会超过了。。望采纳~~~~~
摘要:目的 了解纯净水在饮用期间微生物指标的污染情况。 方法 将同批次抽检合格的纯净水放置到20个家庭饮用,同时在1d、3d、5d、7d、10d以无菌方式进行采
正好我刚做好了,过两天也要交了,论文,仿真,还有PPt,不是一个学校的话可以发给你QQ1255324803
毕业论文的写作格式、流程与写作技巧 广义来说,凡属论述科学技术内容的作品,都称作科学著述,如原始论著(论文)、简报、综合报告、进展报告、文献综述、述评、专著、汇
水污染问题已经成为我国经济社会发展的最重要制约因素之一,已经引起国家和地方政府的高度重视。下面是我精心推荐的水污染处理技术论文范文,希望你能有所感触! 我国城市
这是我自己用DS18B20做的温度检测程序,复制给你看看,我这是通过串口可以在电脑上的串口助手上显示出实时的温度:#include#include#define