A delivery system for transferring a delivery fluid from a delivery tank to a customer tank while maintaining a predetermined vessel pressure in the delivery tank, including a pump assembly pumping fluid from the delivery tank and a piping system passing the pumped fluid to the customer tank. The second layer B has wider band gap than the first layer W. Methods of using these compounds for modulation of estrogen receptor alpha expression and for treatment of diseases associated with expression of estrogen receptor alpha are provided. At a discharge end of the flame tube, the outer and inner walls are conjoined to form an annular surface, the annular surface being perforated. A connection between the battery pack and the power conversion circuit is carried out when the detected value is within the normal range as a result of the determination, otherwise a pre-charge relay of the battery pack connection circuit is turned off and then a driver is provided with a warning signal. The far point distance is calculated using a neural network that has been determined by a number of subjects in advance.