Pay attention to the time The farmer's fertilizer is slow, it should be applied early, usually applied once before the sowing; while the amount of chemical fertilizer is small, the effect is fast, generally should be applied about 7 days before the peak period of crop absorption and nutriti ....
[ Huaqiang Security Network News ] China Security Network Xiaobian This article focuses on the video surveillance system is very widely used, generally not to lock the video surveillance system application based on the size of the enterprise, but to the area that needs video su ....
The wholesale price of gasoline and diesel has been at its lowest level in recent years. The National Development and Reform Commission may take into account the refining costs of refineries and adopt macro-control to narrow the downward adjustment. Anhui Quzhou metal mine special concrete pump - ....
In the past decade, DVR and DVS have made great progress in the digitization of the security industry. Especially in the past two years, with the advancement of the Safe City project, the streets of various cities have been covered with cameras. The continuous updating of storage technology has als ....
[ Huaqiang Security Network News ] When many merchants promote their own cameras, they will say how many times the digital zoom can reach. Many people have such questions in their hearts. The bigger the digital zoom factor, the better? This article gives you a detailed analysi ....
Assessing the mechanical and wear characteristics of the repair material and analyzing the durability of the adhesive is critical to improving dental equipment and implants. The customer conducts bending, tensile and shear strength tests on the product and the adhesive. Repairable materials are re ....
What is the speed of Tesla? After the latest upgrade, the P85D's 100-kilometer acceleration record has been increased to 3.3 seconds, and this is just a change that can be brought about by the OTA air upgrade. This speed and upgrade method is traditional. Car companies and ....