錨蟲藥上的用量標示... - 水族
By Jacob
at 2011-04-27T20:14
at 2011-04-27T20:14
Table of Contents
每1gm溶水50公升四尺水箱使用5gm,七天後再投入一次半量.
這是化成家畜藥廠出的箭蟲.鍶吸蟲3號藥上寫的
我看不懂的是~
為什麼四尺水箱是使用5gm?
1尺 = 12吋
1吋 = 2.54公分
so~
4尺水箱內應有
(4*12*2.54)*(4*12*2.54)*(4*12*2.54) = 1811386立方公分
1公升 = 1000立方公分
故等於 1811公升
又
每1gm溶水50公升
so~
四尺水箱應使用1811/50=36gm
它的5gm是怎麼算的?
還是我的算法是錯的?
又~
我的缸是1.5尺~
但我量了一下~那只是長
寬是25公分~水高是24公分~
所以~
所謂的幾尺缸不能當水量的計算~
說不定4呎缸~
它的寬也是25公分~高也是24公分~
反而只是長缸~而不是大缸~
這樣對嗎?
謝謝~
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水族
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