Some of the less expensive electric bicycle used bulky lead acid batteries, whereas newer models generally used NiMH, NiCd and/or Li-ion batteries which offered lighter, denser capacity batteries.

• 为了保障人民群众用药安全、促进临床执业药师职业化进程，黑龙江省卫生厅近日在省内三级综合医院开展临床药师制试点。