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对于将半导体元件安装在半导体元件用电路基板上时所使用的连接材料,在所得连接结构体的保存中,不管连接材料是否吸湿,之后,装入240℃左右的焊接软熔炉内时,不会降低连接信赖性.将半导体元件安装在半导体元件用电路基板上时所使用的连接材料,含有以下成分(A)～(C):(A)环氧树脂,(B)具有2个以上酚性羟基的酚系化合物...
摘要 水飞蓟(SilybummarianumGaertn),别名乳蓟子,奶蓟,水飞雉等,为菊科水飞蓟科植物.水飞蓟果实为卵圆形,一端狭长,侧扁,成熟后呈深褐色或黑色,其果实(种子)可供药用,中药称乳蓟子,具有清热解毒,保肝护肝,利胆,保脑和... 关键词水飞蓟籽油 / 水飞蓟...
\"Fixture for stove\", which essentially consists of a support, which is a simple and practical way, enabling secure the stove wall, formed by a metallic profile (1),It presents in its conformation a drilling tip (2), a bolt (3), a second hole (2) is made in the upper part of ...
The trusting and the maimed, and other Irish stories by James Plunkett ; wood engravings by John de Pol Devin-Adair, 1955 JJ Plunkett,J Depol - Devin-Adair 被引量: 0发表: 1955年 "BlowntoBits!":KatherineMansfield's"TheGarden-Party"andtheGreatWar In lieu of an , here is a brief excer...