在燃料电池的应用中,制备高效低耗的析氧反应(Oxygen Evolution Reaction,OER)电极材料是目前亟待解决的问题。过渡金属类层状氢氧化物(LDH)可有效降低析氧反应的过电位... 张御妹,刘晓琳,詹天荣,... - 中国化学会胶体与界面化学会议 被引量: 0发表: 2015年 优化金属磷化物电催化析氢性能的策略 日益严重的能源危...
A pair of formulae are developed that relate the absorption coefficient and partial-wave phase shift concepts of frequency-wavenumber local heliseismology to the center-annulus cross-correlation function of time-distance helioseismology, under the general circumstances that both induced and spontaneous sun...
实践证明,有些食品在某些情况下不宜食用,否则,会对人体造成严重损害。未成熟的青西红柿未成熟的青西红柿含有一种毒性物质,叫龙葵素,当人们食用这种还未成熟的青西红柿... 程文慧 - 《新农村》 被引量: 0发表: 2006年 生吃食品"五忌" 一,忌生吃河鱼.肝吸虫卵在河塘的螺狮体内发育成尾蚴,并寄生在鱼体内.若吃...
PROBLEM TO BE SOLVED: To provide a rolling stock and a method which facilitate inspection and maintenance of a bogie of under floor of the vehicle body and the underfloor apparatus, and reduce oscillation inside a tunnel. SOLUTION: The rolling stock is equipped with partitions 11a to 11c which...