1, subject background
With the improvement of modern people's living standards, people pay more and more attention to their living environment, especially indoor air quality. Indoor air quality directly affects our health and quality of life.
2. The main source of indoor air pollution
Furniture and decoration materials: Some furniture and decoration materials contain harmful substances such as formaldehyde and benzene, which will be released into indoor air.
Smoking: Cigarette smoke contains a lot of harmful substances, such as nicotine and benzopyrene, which will do harm to human health.
Kitchen lampblack: The lampblack produced in the cooking process contains many harmful substances, such as acrolein and polycyclic aromatic hydrocarbons, which are harmful to human health.
Air conditioning system: If air conditioning is used for a long time, the indoor air will become dry and dirty, which may easily lead to respiratory diseases.
3. Harm of indoor air pollution
Harm to respiratory system: Indoor air pollution can cause respiratory diseases such as asthma and chronic obstructive pulmonary disease.
Harm to cardiovascular system: Indoor air pollution can lead to cardiovascular diseases such as hypertension and coronary heart disease.
Harm to the nervous system: Indoor air pollution will have adverse effects on the nervous system, such as memory loss and insomnia.
Harm to fetus and baby: pregnant women and babies are vulnerable in bad indoor environment, which affects the healthy development of fetus and baby.
4. How to improve indoor air quality?
Choose environmentally friendly materials: choose environmentally friendly furniture and decoration materials that meet national standards.
Keep ventilation: often open the window to ventilate and let the indoor air circulate.
Adopt air purifier: Air purifier can filter harmful substances such as bacteria, viruses and allergens in the air.
Planting green plants: Green plants can absorb harmful substances in the air, release oxygen and improve the indoor environment.
5. Conclusion
Indoor air quality is closely related to our health. We should pay attention to the harm of indoor air pollution and take effective measures to improve the indoor environment and protect our health.
Writing steps of indoor air and health;
1, clear theme
First of all, we should make clear the theme of handwritten newspaper, that is, indoor air and health. Understand the background and significance of the topic, so as to better carry out the follow-up content.
Step 2 collect information
Collect information about the source and harm of indoor air pollution and how to improve indoor air quality. Can be obtained from the library, the Internet and other channels.
3. Organize the data
Classify the collected data and filter out the content closely related to the theme. Pay attention to ensure the accuracy and reliability of information.
4. Design layout
Design a reasonable layout according to the size and layout requirements of handwritten newspapers. You can consider using titles, columns, illustrations and other elements to enrich the layout.
5, writing text content
Write the text content according to the layout. Pay attention to be concise and focused, so as to facilitate readers to obtain information quickly.
Step 6 draw illustrations
According to the needs of the layout, draw illustrations related to the theme, such as the source map of indoor air pollution and the methods to improve indoor air quality. Illustrations should be vivid and help readers understand the text.
7. Proofreading and revision
After completing the first draft, you should carefully proofread and revise it to ensure that the text is smooth, the illustrations are accurate and the layout is beautiful. You can ask your classmates or teachers to help you check and make suggestions for revision.
8. Improve the final draft
According to the revised opinions, improve the handwritten newspaper and finalize it. Ensure the content is complete, the layout is beautiful and easy to read.