p.473
Glass electrodes can be made senstive to ions such as Na+,K+,orNH4+ by
changing the composition of the glass. Other ions can be detected if an
appropriate crystalline solid replace the glass membrance.
為什麼可以這樣 ?
為什麼要crystalline ?
___________________________________________________________________________
p.477
通電時會電解水 有危險
This problem can be averted by connecting the ground jumper cable to a part
of the engine remote from the battery. Any arc produced when this cable is
disconnected will then be harmless.
看不懂
有興趣 po 到我的版上來吧 ~
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 140.112.240.140