One example could be a story about a dog that gets lost but is helped by kind strangers and other animals on its journey home. It shows how the community comes together to be pet - friendly.
Two-story cabins weren't that widespread in medieval times. Construction techniques and resources often limited the building of such structures. Also, the social and economic context didn't typically demand or support many two-story cabins.
The main reasons for the high TN in the effluents were as follows: low nitrogen removal efficiency in the anoxic-tank, problems of internal recycling, low PL, destruction of the anoxic-environment in the dinitration tank, sludge load and sludge age, ratio of internal and external recycling, dinitration rate, insufficient dissolved oxygen, insufficient carbon source, etc.
The reason for the high TN of the discharged water may be caused by many factors. The following possible reasons could be summarized:
1. Low nitrogen removal efficiency of the anoxic-tank: In the practical application cases of urban sewage treatment plants, it was found that the reason for the excessive TN in the outlet water was that the nitrogen removal efficiency of the anoxic-tank was low, resulting in high nitrogen in the outlet water. The solution was to shut down the aerating system of the aerating grit chamber and add some control measures such as adding Na-acetate into the anaerobic tank to improve the stable discharge of TN in the outlet water.
2. [Lacking carbon source: In the process of nitrogen and nitrogen removal, the theoretical ratio of TN: TN required for TN removal is 2.86, but in actual operation, the ratio of TN is generally controlled at 4~6.] The lack of carbon source was one of the main reasons why the TN of the sewage treatment plant did not meet the standard. The solution was to add a carbon source according to the ratio of CH to N of 4 to 6.
3. Internal Reflux Problem: The excessive amount of nitrogen and nitrogen caused by internal return can also be attributed to the impact of organic matter. Because there is no return of nitration liquid, there is only a small amount of nitrate-nitrogen carried by external return in Pool A. Overall, it is an biochemical environment. The carbon source will only be decomposed and acidofied and will not be completely decomposed into carbon dioxide. Therefore, a large amount of organic matter entered the aerating tank, resulting in an increase in the concentration of nitrogen and nitrogen. The solution was to stop the water from entering and start the explosion.
4. Low pH. Low pH. The solution was to start adding base to maintain the pH when the pH continued to drop, and then find the reason through analysis.
It should be noted that the above reasons are only speculated based on the search results provided. The specific situation needs to be analyzed and resolved according to the actual situation.
Modern Gaoganwen NPC referred to a story about the protagonist's struggle, growth, love, and success in politics, business, and other fields in a modern city. NPC literature usually had a high-level atmosphere, focusing on plot ups and downs, character creation, and plot development. At the same time, it also covered political tactics, emotions, betrayal, growth, and many other aspects. The main target group of the NPC novel was people who liked modern urban topics, and it was also popular among readers.
The alien pet could be a creature that glows in the dark, providing a soft, warm light at night. It might be able to understand human languages without speaking them, just by sensing the emotions and intentions behind the words. It would be very gentle and patient, especially with small children, and would love to be part of the family activities, such as sitting at the dinner table (even if it doesn't eat human food) and listening to the family's conversations.
Pet slime can be used to create models of real pets. For example, you can shape the slime to look like your dog's face or your cat's paws. It's a great way to get kids to be creative and also think about their pets in a different way.
Sure. Parker is a friendly rabbit. The teacher, Miss Green, has a small garden at the school. One day, Parker hopped into the garden. Miss Green and the students discovered Parker. Instead of chasing it away, they decided to build a little home for Parker in the corner of the garden. The students took turns to feed Parker with fresh carrots and water. It became a lovely addition to their school day.