the hydrogen permeability of the composite membrane is very high and the cost of the composite membrane is low because the palladium silver alloy film is very thin. the cyclohexane dehy…
该复合膜的钯银合金顶层很薄,因此复合膜的氢气渗透率大,成本低。
the hydrogen permeability of the composite membrane is very high and the cost of the composite membrane is low because the palladium silver alloy film is very thin.
该复合膜的钯银合金顶层很薄,因此复合膜的氢气渗透率大,成本低。
silver alloy reflective films for optical information recording media, silver alloy sputtering targets therefor, and optical information recording media.
光学信息记录介质用银合金反射膜,为此的银合金溅射靶,以及光学信息记录介质。
by the date of the staffordshire hoard, gold supplies were dwindling, and silver and silver alloy were being used instead.
the mechanical type three speeds switch panel and contactor base consist of fire-retardant plastics. the cintinueator adopts copper and silver alloy with good elasticity.
机械式三速开关面板和触头部分的底座由阻燃型塑料制成,触头采用弹性良好的铜合金和银基合金制成。
when silver alloy is used as conducting ring material, its service life is influenced by its slightly low hardness and bad abrasion resistance behavior, meanwhile it is prohibitive.
银合金作为导电环材料,因其硬度偏低、耐磨性差,影响使用寿命,同时,还存在价格昂贵的问题。
a 1.0% la silver alloy was obtained by melting and refining a 99.99 silver and a 99.5 lanthanum under vacuum condition.
用纯度分别为99 99%的银和99 5%的镧在真空条件下熔化和精炼,制备出含1 0 %镧的银合金。
transaction record. silver precious material, high artistic value, cast by the precious metals or silver alloy production.
的成交记录。银元材质珍贵,艺术价值高,由贵重金属或白银合金铸造,制作。
the dendritic re compound in the microstructure of silver alloy with 1 2% re creates continuous net.
含1 2 %re的银合金中的稀土化合物枝晶形成连续的网状分布。
jp-2000 192279, cyanide-free electroplating bath for silver and silver alloy coating, using fatty sulphurous compounds that are stable for a relatively long time.
a solid electrolyte type fuel cell which incorporates a metal separator comprising a base material of a metal other than silver or a silver alloy which is plated with silver or a silver alloy.