1 The Silk Road was established during the Han Dynasty. 2  This trade route from China to Europe was a great source of wealth and luxury items. 3  Buddhism first came to China during this time. 4  Social status was very rigid.
Third, the outer shield affects common mode impedance of the cable outside much more than it actually affects common mode ingress. When the braid was removed, excitation power had to be significantly increased to maintain the same common mode current. This shows a higher common mode impedance of the shield.
Causes. The cause of multiple sclerosis is unknown. It's considered an autoimmune disease in which the body's immune system attacks its own tissues. In the case of MS, this immune system malfunction destroys myelin (the fatty substance that coats and protects nerve fibers in the brain and spinal cord). Myelin can be compared to the insulation coating on electrical wires.