环保主题的PPT模版

L/O/G/O拯救我们的家园——环境工程环境工程大气污染控制4水体污染控制1固体废物处置2噪声污染控制3水体污染控制•水体污染的控制措施，除加强污染源的管理，以降低废水量和污染量外，政府应制定和颁布法规以控制废水的排放，如中国政府制定和颁布了《中华人民共和国水污染防治法》、《工业“三废”排放试行标准》等法规。城镇应建设完善的排水管系和废水处理厂，并制定和实施管理制度。工业布局和工艺要考虑环境要求。生产废水必须处理后出厂（见工业废水治理），废水再用，特别是建立废水灌溉系统，是防止废水污染水体的有效途径。水体污染控制水体污染物主要有：①病原体，如病菌、病毒和寄生虫卵等；②来源于动植物的有机物，如动植物排泄物、动植物残体、机体的组分等，它们在水体中的细菌作用下消耗溶解氧；③植物养料，主要有氮、磷化合物，将使潺湲的水体出现富营养化；④有毒有害的化学品，如含氯农药（DDT、六六六等）、表面活性剂、重金属盐类、放射性物质等；⑤其他，如油脂、酸、碱、温水，悬浮物等（见废水水质）。固体废物处置固体废物的处置方法掩埋焚化加工利用掩埋焚化加工利用固体废物处置噪声污染控制干扰人们休息、学习、生活和工作，甚至影响健康的声音，统称为噪声。噪声由许多纯音组成。纯音(单频率的声音)的声压(p)可用与基准声压(p0接近一般人的听阈，通常采用p0＝2×10-5帕)相比的声压级（Lp）表示，单位为分贝（dB），它的数学表达式为Lp＝201g(p/p0)。噪声强弱的测定较复杂，不但要结合各纯音的频率，还要结合人的主观感受。有多种方法量度，一般采用声级，单位也用分贝。声级可用声级计直接测得。声级增加40分贝，声压约增百倍，干扰大大增加。一般认为低于85分贝时不致影响听力。喷气飞机起飞时的噪声达150分贝，使耳鼓发痛。160分贝的噪声使人致聋。噪声还影响人的中枢神经系统和心血管系统，会导致神经衰弱和心血管病。噪声还影响讲话和电话的使用。可使人致聋的噪声还影响某些仪表的使用。噪声污染控制噪声主要来自机器（工业噪声）和交通工具（交通运输噪声）。控制噪声首先是不用喧嚣的设备：或则改革工艺，如改铆接为焊接；或则改换机械，如用压桩机替代打桩机。其次是革新机械的构造和材料，如提高部件精度减少碰撞，用非金属材料替代金属材料，传动部件用弹性构件，整机采用隔振机座或隔声罩，排气口设消声器，交通工具外形采用流线型等。再次是正确操作，如正确使用润滑剂，正确使用喇叭等音响设备。建立隔声屏障（如墙、土丘）或建筑表面多用吸声、隔声材料，以及城市合理规划等等，也是有效的措施（见飞机场环境保护）。大气污染控制2007200820092010近年空气质量ClicktoedittitlestyleDescriptionofthecontentsTextinhereThemeGalleryisaDesignDigitalContent&ContentsmalldevelopedbyGuildDesignInc.TextinhereThemeGalleryisaDesignDigitalContent&ContentsmalldevelopedbyGuildDesignInc.TextinhereThemeGalleryisaDesignDigitalContent&ContentsmalldevelopedbyGuildDesignInc.TextinhereThemeGalleryisaDesignDigitalContent&ContentsmalldevelopedbyGuildDesignInc.ClicktoedittitlestyleContents01Contents02Contents03Contents04Contents05Contents060%20%40%60%80%100%18.5%17.5%8.7%23.6%63.6%84.3%ThemeGalleryisaDesignDigitalContent&ContentsmalldevelopedbyGuildDesignInc.ClicktoedittitlestyleTextinhereTextinhereTextinhereThemeGalleryisaDesignDigitalContent&ContentsmalldevelopedbyGuildDesignInc.ClicktoaddTextClicktoedittitlestyleThemeGalleryisaDesignDigitalContent&ContentsmalldevelopedbyGuildDesignInc.Titleinhere2.Descriptionofthecompany’ssubcontentsThemeGalleryisaDesignDigitalContent&ContentsmalldevelopedbyGuildDesignInc.1.Descriptionofthecompany’ssubcontentsClicktoedittitlestyleThemeGalleryisaDesignDigitalContent&ContentsmalldevelopedbyGuildDesignInc.TitleinhereTitleinhereTitleinhereTitleinhereABCDClicktoedittitlestyleDescriptionofthecontentsThemeGalleryisaDesignDigitalContent&ContentsmalldevelopedbyGuildDesignInc.ThemeGalleryisaDesignDigitalContent&ContentsmalldevelopedbyGuildDesignInc.ThemeGalleryisaDesignDigitalContent&ContentsmalldevelopedbyGuildDesignInc.TitleinhereTitleinhereTitleinhereClicktoedittitlestyleTextinhereTextinhereTextinhereTextinhereTextinhereTextinhereTextinhereTextinhereContentsContentsContentsContentsContentsThemeGalleryisaDesignDigitalContent&ContentsmalldevelopedbyGuildDesignInc.ClicktoedittitlestyleThemeGalleryisaDesignDigitalContent&ContentsmalldevelopedbyGuildDesignInc.•Descriptionofthecontents•Descriptionofthecontents•Descriptionofthecontents•Descriptionofthecontents•Descriptionofthecontents•DescriptionofthecontentsContentTitleContentTitleContentTitleClicktoedittitlestyleDescribeavisionofcompanyorstrategiccontents.Describeavisionofcompanyorstrategiccontents.Describeavisionofcompanyorstrategiccontents.Describeavisionofcompanyorstrategiccontents.DescriptionoftheproductsPleasewritedownofasloganforavisionofacompanyinshortly.Pleasewritedownofasloganforavisionofacompanyinshortly.Pleasewritedownofasloganforavisionofacompanyinshortly.Pleasewritedownofasloganforavisionofacompanyinshortly.Vision01Vision03Vision02Vision04CompanyLOGOClicktoedittitlestyleClicktoedittitlestyleTitleinhereThemeGalleryisaDesignDigitalContent&ContentsmalldevelopedbyGuildDesignInc.DescriptionofthecontentsDescriptionofthecontentsDescriptionofthecontentsDescriptionofthecontentsTitleinhereTitleinhereTitleinhereService01Service02Service03LOGO•ThemeGalleryisaDesignDigitalContent&ContentsmalldevelopedbyGuildDesignInc.ClicktoedittitlestyleClicktoedittitlestyleTitleinhereAddTitleAddTitleAddTitleAddTitle•Descriptionofthecontents•Descriptionofthecontents•Descriptionofthecontents•DescriptionofthecontentsTextinhereTextinhereTextinhereTextinhere•Descriptionofthecontents•Descriptionofthecontents•Descriptionofthecontents•DescriptionofthecontentsClicktoedittitlestyleThemeGalleryisaDesignDigitalContent&ContentsmalldevelopedbyGuildDesignInc.TitleTextinhereTextinhereTextinhereTextinhereClicktoedittitlestyle200820072006200520042003200220012000•Descriptionofthecontents•Descriptionofthecontents•Descriptionofthecontents•Descriptionofthecontents•Descriptionofthecontents•Descriptionofthecontents•Descriptionofthecontents•Descriptionofthecontents•DescriptionofthecontentsDescriptionofthecontents1.Descriptionofthecompany’sproducts2.Descriptionofthecompany’sbusiness3.Descriptionofthecompany’stechnology1.Descriptionofthecompany’sproducts2.Descriptionofthecompany’sbusiness3.Descriptionofthecompany’stechnology1.Descriptionofthecompany’sproducts2.Descriptionofthecompany’sbusiness3.Descriptionofthecompany’stechnology1.Descriptionofthecompany’sproducts2.Des