"A Highway That Can Breathe" PPT Courseware

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Update Time: 2024-09-07

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"A Highway That Can Breathe" PPT Courseware Simple campus recruitment activity planning plan summary enterprise and institution recruitment publicity lecture PPT template is a general PPT template for business post competition provided by the manuscript PPT, simple campus recruitment activity planning plan summary enterprise and institution recruitment promotion Lecture PPT template, you can edit and modify the text and pictures in the source file by downloading the source file. If you want more exquisite business PPT templates, you can come to grid resource. Doug resource PPT, massive PPT template slide material download, we only make high-quality PPT templates!

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• breathing road ppt

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"The Highway That Can "Breathe"" PPT courseware to read the text and understand the topic. We all know that the exhaust emitted by automobiles is the main factor causing air pollution. The nitrogen oxides in the "Air Quality Daily" published every day in newspapers and TVs refer to automobile exhaust. Hazards of car exhaust When you are in the continuous flow of traffic, you may smell a pungent smell. It's the smell of car exhaust. According to the measurement, the exhaust gas of the automobile is discharged through the exhaust pipe, crankcase, fuel tank and carburetor. At present, people have separated more than 80 kinds of harmful substances from automobile exhaust, among which carbon monoxide, nitrogen oxides, hydrocarbons, lead dust and benzene are the main ones. In large and medium-sized cities, automobile exhaust pollution accounts for more than 60% of the entire air pollution. ... ... ... How is the highway "breathing"? The first is to arrange vents on the side of the road, and then use a blower to blow the exhaust from the car into the soil. Then, a part of the nitrogen oxides is adsorbed on the surface of the soil, and another part of the nitrogen oxides is dissolved in the water, absorbed by the microorganisms in the soil, and turned into fertilizers. This process is a reaction process between substances. The adsorption and dissolution of exhaust gas by the soil completes the "breathing" of the road. Let the highway "breathe" to remove some pollutants, and people can breathe cleaner air. ... ... Keyword: Download the courseware "Road that Can "Breathe"", West Normal University Edition third grade Chinese PPT courseware download, third grade Chinese slide courseware download, "Highway that Can "Breathe"" "PPT courseware download, in .PPT format; for more about the PPT courseware of "Breathing Highway", please click the Breathing Highway ppt tab. "Breathing Highway" PPT Courseware 4: "Breathing Highway" PPT Courseware 4 1. Have you ever heard that a road can breathe? 2. Why do you put quotation marks on breathing? Read the text and understand the topic. Create pollution quality and reduce effective use of complex distances Arrangement of nitrogen oxides What does it mean to breathe? The road can really breathe.. "The road that can "breathe"" PPT courseware 3: "The road that can breathe" PPT courseware 3 Ask yourself why you breathe in the question Put it in quotes? How does a breathing highway breathe? Self-exploration tips: Please read the text in the way you like. Requirements: 1. Read the pronunciation accurately, and understand the words in context.. "The Highway that Can "Breathe"" PPT courseware 2: "The Highway that Can Breathe" PPT courseware 2 Why are the quotation marks in breathing in the self-questioning question? How does a breathing highway breathe? ... ... ... Prompt for self-exploration: (6 minutes) Please read the text in the way you like. Requirements: 1. Accurate pronunciation, ..