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The Weifang Tainuo chemical industry Limited company is located in “the world kite” - - Weifang, south near the rubber Jinan railroad, north depends on 309 federal highways, the blue silver highway, the geographical position is superior, the traffic conditions are convenient. in 2006 sets up with joint forces by the original Shandong four stars in the bowl of the big dipper specialized team, is domestic devotes to the development green environmental protection safety product for the mission specialty company.
Fertilizer is an important means of production to promote the growth and development of crops and improve the efficiency of agricultural production. In the face of a wide variety of fertilizers, combined with their own production needs, according to the type, characteristics, ingredients, and efficacy of fertilizers, can be said to be the necessary knowledge of many agricultural producers.
Farmers and families use fertilizer every day to help crops and gardens grow. Whether it’s a small garden for flowers or a large farm with thousands of acres of crops, fertilizers have been developed to help different crops grow in different soil and weather conditions.
Fertilizer is a substance added to the soil to improve plant growth and yield. Fertilizers were first used by ancient farmers, and with the discovery of the chemical needs for growing plants, fertilizer technology developed significantly. Modern synthetic fertilizers consist mainly of nitrogen, phosphorus, and potassium compounds, with the addition of secondary nutrients. The use of synthetic fertilizers has greatly improved the quality and quantity of food available today.
The fertilization method of potted plant fertilizer is different in each season. The spring and autumn season is the growing period of plants, and the demand for fertilizer is relatively large, so the amount of fertilizer needs to be increased. A small amount of fertilizer in summer, summer evening is the best time to fertilize, to avoid sunburn. When plants stop growing in winter, no fertilizer is needed.
Views:2 Author:艾彩霞c Publish Time: 2019-03-01 Origin:Site
Most diesel vehicle manufacturers often use AUS32 as a reducing agent. The concentration of Urea Ad-blue directly affects the reduction rate of nitrogen oxides and the crystallization point of urea solution. If the concentration is too high or too low, it will not only improve the conversion efficiency of nitrogen oxides, but will cause secondary pollution of the remaining ammonia gas. The concentration of 32.5% was chosen because Urea Ad-blue has the lowest crystallization point at this concentration (freezing point -11 ° C).
Urea Ad-blue needs to avoid impurities entering the solution and urea tank during the filling process. In general, Urea Ad-blue has a special tube when it is filled. Just open the urea tank and insert the filling tube. However, some people usually pay little attention to bring impurities into the tank and block the urea tank urea pump. In order to prevent impurities, pure water must be used to clean the SCR, and tap water is not available.
Urea Ad-blue is alkaline and is highly corrosive to copper, cast iron, solder and cast aluminum. Improper filling can contaminate tanks and vehicles.
In addition, since Urea Ad-blue itself has no major harm to the eyes and skin, it also causes slight irritation to the human body. If in contact with the skin, rinse the exposed skin with plenty of soap or water. If it comes into contact with the eyes, open the upper and lower eyelids and rinse with water.
Urea Ad-blue needs to be protected from light and heat during transportation. The optimum transport and storage temperature should be between -5 °C and 25 °C. In addition, Urea Ad-blue crystallizes when the temperature is low, and the volume expansion becomes as large as 7%. If it is too full, it remains below 90% of the storage volume ratio. High temperatures can cause the decomposition of Urea Ad-blue, which is generally associated with storage temperature and storage time.
