It was a valued export in Silk Road trading, but the manufacturing process was kept secret. During the Tang Dynasty (618-907) and the Song Dynasty (960-1279), varieties of paper were developed for different purposes.
April 7, 2015 Written by controlguru. Like the P-Only controller, the Proportional-Integral (PI) algorithm computes and transmits a controller output (CO) signal every sample time, T, to the final control element (e.g., valve, variable speed pump).
exists and is an alternate of . Making the world better, one answer at a time. A vehicle control is what the treatment/substance of interest is administered in. E.g, a hormone of interest is within a PBS solution and this is injected into the test group. Giving just the vehicle is to show that the response seen is due to the treatment being tested and not the solution it is in. A vehicle control is what the treatment/substance of interest is administered in. E.g, a hormone of interest is within a PBS solution and this is injected into the test group.