Control requirements: the boiler feed pump start and run safely, eliminating the flow is too small, increasing temperature, strong water cavitation pump damage. (The old power station has a minimum flow control valve that uses a switch type, along with an automatic circulation valve using a…
Before planting wheat, it is necessary to do a seed germination test to identify whether the seed can be used. Here are some ways to determine the germination rate of wheat seeds.
1. Instrument method: take 2 kinds of wheat seeds, each 100 capsules. The seeds are placed on t…
Swing check valve installation position is not …
For China’s state-owned enterprises, avoiding “diseases in large companies†must be implemented in a defensive manner to allow companies to maintain their vitality and competitiveness through continuous changes.
On June 1st this y…
The needle nozzle directs the coolant to the cutting site. The result is an extremely good…
The Sixth Plenary Session of the 17th CPC National Congress, which ended in Beijing on October 18th, 2011, focused on cultural issues. Culturally strong countries have become major issues for China’s modernization. On the following day, on October 19, 2011, the 2011 national c…