It is very important to ensure the quality of the strobe light, but the installation process of the strobe light is also very important. If the following points are not made during the installation process, it may cause accidents. 1. The bottom lamp of the strobe lamp must be installed and fixed wi ----more
[ Pacific Security Network News ] After the security engineering company won the bid, how to choose the monitoring system products? The purchase of intelligent systems or products cannot rely on past experience - as long as you can see the monitoring images and can record them, whoever buys the pric ----more
Leeb hardness tester The Leeb hardness tester is a special test instrument for measuring the hardness of materials. It is mainly used to measure metal materials. In 1978, the Swiss Dr. Leeb first proposed a new hardness test method. The basic principle is that the impact body with a certain mass i ----more
Abstract August 31, Russia's Alrosa is the world's largest rough diamond producer, just put forward their goal to double sales in China and Japan by 2020. Satellite network reported that Russian economic expert Sabanov (AntonS... August 31, Russia's Alrosa is the world's larg ----more
Brassinolide is a plant growth regulator . The previous article on the brassin has been introduced in many editions. In order to make the farmers' friends have a deeper understanding of Xiaobian, Xiaobian’s secrets from the bryophyte There are several aspects to the ----more
It is a normal phenomenon that the walls appear to fall off and become moldy in life. However, such problems must be refurbished on the wall. Otherwise, this will affect people's daily lives and there will be potential safety hazards. Therefore, it is necessary to solve this problem. Pay atten ----more
Podousness often occurs during soy planting, which greatly affects soybean yield. Soybean pods do not occur in summer soybeans for many reasons. For example, improper ratios of NPK, variety, density, trace element deficiency, pest and disease, etc. can cause the grain to not bulge and form cockroac ----more