US Research Shows: Climate Warming Affects Global Food Production Capacity
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Researchers at Stanford University and Columbia University used models to analyze the relationship between global climate data from 1980 to 2008 and the production of four major agricultural products: corn, wheat, rice, and soybeans.
They found that during this period, if the global temperature did not increase, Russia’s wheat production could have been increased by more than 10% from the actual level, and India, France, and China’s wheat could also increase by several percentage points; China, Brazil and France’s Maize production will also be higher than actual production.
The researchers concluded that global corn and wheat production capacity has dropped by 3 to 5 percentage points over the past 30 years due to warming, and the impact on rice and soybean production capacity has been negligible.
The researchers also found that during this period, temperatures in the farming season in almost all regions of Europe, most parts of Asia, Africa, and South America rose by an average of several degrees Celsius, increasing the probability of extremely hot weather occurring during the farming season in these areas. However, there is one notable exception in the world. Unlike global trends, temperatures in the Midwestern corn and soybean belt did not increase during the summer farming season. Researchers are still unable to understand the reasons.
The results of this study will be published in the new issue of the "Science" magazine in the United States on the 6th. The researchers pointed out that the trend of global warming is expected to continue in the next few decades, and the impact on grain production capacity will further expand under the backdrop of continuous increase in global food demand.
Many highways use traffic lights and fog lights. The products of highways are actually stable and durable. It can`t be said that one product can be used for one year. The highway is a major investment in a national infrastructure project. If each product is only used for one year, it is really too much waste. Therefore, when choosing highway electromechanical products, especially 304 stainless steel fog lamps, 304 stainless steel is used, it is best to choose the best materials. If you do this, you might get a little more money at the beginning, but in the end he will achieve completely different results.
Stainless steel fog lights and traffic lights,
Many expressway electromechanical projects have been noted during the bidding. The lights at the entrance of the expressway must be made of stainless steel and made of primary colors, that is, its color does not need to be sprayed. Why? Because the material of 304 is relatively good, then 304 will not rust. After many years, its color will be as smooth as new. Therefore, this material has a very good quality for the entire highway mechanical and electrical product entrance, passage entrance and exit. Big one system improvement
Iron fog lamp
Are there any traffic lights and fog lights made of iron or plastic? The answer is yes. For many highway electromechanical projects, the owners themselves need very good things, but after bidding, after layer by layer, 316 stainless steel will change. It becomes 304, 304 stainless steel becomes an iron box, and the iron box finally becomes a plastic material. In fact, this is very bad.
What is 304 stainless steel? Stainless steel refers to a kind of stainless steel that is not easy to rust under normal conditions, and its surface is the original color, which means that it is black and white, and looks very high-grade, just like the stainless steel seat you see in an airport. The chair is the same, so the stainless steel is made into stainless steel fog lamps and stainless steel traffic lights, it looks very beautiful, and then after the surface is drawn, it looks even more high-end and high-end.
How many years can 304 stainless steel traffic lights and 304 stainless steel fog lights last? 304 stainless steel fog lights, 304 stainless steel traffic lights, they can basically be used for 5 to 8 years, because why, the shell will not rust, and the components inside will be protected after the shell does not rust. The LED itself is normal. The following can be used for 5~10 years, so the stainless steel material protects the internal components from moisture, and it will not cause damage to the internal components due to rust.