Before reading this article, please click on the blue font " China Chemical Safety Association " under the heading of this article and then click " Follow ", so you can r
/*kangxianyue 250*250 was created on 2017/3/29*/ var cpro_id = "u2939694"; Generally, the screw can be divided into ordinary type, gradual type, mutant type, mixing type, separation type, split type and various barrier type, pin type, DIS split type and exhaust type
When decorating the kitchen, I believe that people often go into misunderstandings. In some cases, they value the brand too much, or believe in the sample, but do not pay attention to the actual situation. In the end, not only do they have more money, but they also have poor decoration. This is re
Because the tigers are extremely harmful to the growth of corn, we need to be able to detect and prevent their spread in time and reduce losses. Linyi Fertilizer Network Copyright Linyi Fertilizer Network Copyright The general way is as follows: Linyi Fertilizer Network Copyright Linyi Fertilize
[Foreword] The history of industry development is actually a history of tears and tears when companies are constantly being eliminated. When new companies rise and grow, and old companies face bankruptcy for various reasons, they are often the best time for new technologies and new forms to come to
When China meets "Internet +" ——Writing on the occasion of China’s opening of the “Internet +†era Entrepreneurial innovation, collaborative manufacturing, modern agriculture, smart energy, inclusive finance, and benefiting people&#
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Ammonium bicarbonate (volatility and corrosive, easy to smear seeds and seedlings), superphosphate (containing free sulfuric acid and phosphoric acid, causing damage to seed germination and seedling growth), urea (generating a small amount of biuret, If the content exceeds 2%, it will cause tox
Car running-in, also known as the first drive or walk. It is a "trial run" period that must first be carried out after a new car or overhaul. Because the auto parts that have just been manufactured (especially those with friction between them) have undergone fine processing (a) why the n
In recent years, with the development of agriculture , the industry of pesticides has also been continuously developed, and the types of pesticides are also increasing. It is also very important to increase the awareness of farmers using pesticides today, how to use agricultur