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151 ¤_ 2003-10-16 21:48  Æ[¬Ý¸Ó¥Î¤áªº­Ó¤H¸ê®Æ  ·j´M³o­Ó¥Î¤áµoªíªº©Ò¦³¤å³¹  §â¤å³¹¤º®eÎ`¨î¨ì°Å¶KªO¡C
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152 ¤_ 2003-10-17 09:17  Æ[¬Ý¸Ó¥Î¤áªº­Ó¤H¸ê®Æ  ·j´M³o­Ó¥Î¤áµoªíªº©Ò¦³¤å³¹  §â¤å³¹¤º®eÎ`¨î¨ì°Å¶KªO¡C
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153 ¤_ 2003-10-17 09:20  Æ[¬Ý¸Ó¥Î¤áªº­Ó¤H¸ê®Æ  ·j´M³o­Ó¥Î¤áµoªíªº©Ò¦³¤å³¹  §â¤å³¹¤º®eÎ`¨î¨ì°Å¶KªO¡C
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deechand wrote:
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¤å³¹: 17
154 ¤_ 2003-10-17 10:03  Æ[¬Ý¸Ó¥Î¤áªº­Ó¤H¸ê®Æ  ·j´M³o­Ó¥Î¤áµoªíªº©Ò¦³¤å³¹  §â¤å³¹¤º®eÎ`¨î¨ì°Å¶KªO¡C
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Hi,

Don't give up. Many of us have faced the same problem before:

http://forum.hksaltfish.com/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=3;t=001739

I did not say a open system never work, it only takes more time and is not as efficient as a closed system.

"It can be seen that nitrate reduction is more efficient in anaerobic batch systems than that in aerobic batch systems.......One possible reason is dissolved oxygen in anaerobic batch systems is much lower than that in aerobic batch systems so that the autotrophic denitrification process is well protected."

Quote from page 12 of the attached report.


76459-lampe.pdf


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155 ¤_ 2003-10-17 10:37  Æ[¬Ý¸Ó¥Î¤áªº­Ó¤H¸ê®Æ  ·j´M³o­Ó¥Î¤áµoªíªº©Ò¦³¤å³¹  §â¤å³¹¤º®eÎ`¨î¨ì°Å¶KªO¡C
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156 ¤_ 2003-10-17 10:52  Æ[¬Ý¸Ó¥Î¤áªº­Ó¤H¸ê®Æ  ·j´M³o­Ó¥Î¤áµoªíªº©Ò¦³¤å³¹  §â¤å³¹¤º®eÎ`¨î¨ì°Å¶KªO¡C
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157 ¤_ 2003-10-17 11:10  Æ[¬Ý¸Ó¥Î¤áªº­Ó¤H¸ê®Æ  ·j´M³o­Ó¥Î¤áµoªíªº©Ò¦³¤å³¹  §â¤å³¹¤º®eÎ`¨î¨ì°Å¶KªO¡C
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¤å³¹: 49
161 ¤_ 2003-10-20 20:36  Æ[¬Ý¸Ó¥Î¤áªº­Ó¤H¸ê®Æ  ·j´M³o­Ó¥Î¤áµoªíªº©Ò¦³¤å³¹  §â¤å³¹¤º®eÎ`¨î¨ì°Å¶KªO¡C
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Hi Deechand
I prepare all the parts to set up my No3 remover
But I can't find the 9mm to 4mm conventer in FS
Could u give me some ideas where can i find this conventer
Besides could u show me the pic of 12mm t-join
Thx


deechand
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162 ¤_ 2003-10-20 21:46  Æ[¬Ý¸Ó¥Î¤áªº­Ó¤H¸ê®Æ  ·j´M³o­Ó¥Î¤áµoªíªº©Ò¦³¤å³¹  §â¤å³¹¤º®eÎ`¨î¨ì°Å¶KªO¡C
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T-join like this!



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163 ¤_ 2003-10-20 21:47  Æ[¬Ý¸Ó¥Î¤áªº­Ó¤H¸ê®Æ  ·j´M³o­Ó¥Î¤áµoªíªº©Ò¦³¤å³¹  §â¤å³¹¤º®eÎ`¨î¨ì°Å¶KªO¡C
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Buy at ªy®ö . diameter is 12/16.



Mickkk





¤å³¹: 49
164 ¤_ 2003-10-20 21:53  Æ[¬Ý¸Ó¥Î¤áªº­Ó¤H¸ê®Æ  ·j´M³o­Ó¥Î¤áµoªíªº©Ò¦³¤å³¹  §â¤å³¹¤º®eÎ`¨î¨ì°Å¶KªO¡C
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Thx
Could u tell me where can u buy the 9mm to 4mm conventor


deechand
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¤å³¹: 1943
165 ¤_ 2003-10-20 21:53  Æ[¬Ý¸Ó¥Î¤áªº­Ó¤H¸ê®Æ  ·j´M³o­Ó¥Î¤áµoªíªº©Ò¦³¤å³¹  §â¤å³¹¤º®eÎ`¨î¨ì°Å¶KªO¡C
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The convertor for 9mm to 4mm was bought from ÙðÀÜ. if you can not find , than you can DIY like this:

http://www.aquarium.org.hk/cgi-bin/ch/topic_show.cgi?id=475&h=1#3320

you may connect the ²¸¶À¯]NO3¥h°£¾¹ like this:




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