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mabaolin

木虫 (正式写手)

[交流] 土壤溶液怎么过滤

对土壤溶液先计数一下,看有多少微生物细胞。先对土液过滤,那么用滤纸还是脱脂棉呢?二者的过滤作用有何区别呢?是不是对微生物细胞大小有不同的适用范围呢?

[ Last edited by cad_0 on 2006-11-4 at 15:08 ]
成木虫啦
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mabaolin

木虫 (正式写手)

我是不明白两种过滤方法有何区别?
成木虫啦
4楼2006-03-28 12:05:26
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ftfget1

去生物版问问看
2楼2006-03-27 16:19:35
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wj_21cn

木虫 (正式写手)


steincat(金币+1):多谢参与!
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?????????????????S???H?????????????????W????_???????????????D28~2?????????????????o???y???????z?w????????????????????????????????_?f????Щ???????y??????c?N?????筂???????B????agar plate culture technique????????@??R?z?y????direct microscopic examination???????????B????enrichment culture technique????

1.    ?????????B??

?M?Э????????B???r?????????z?w?????????????????m????s???????B???????????????A?????B?????????????T???????????????B?????棬??γ??????D28~3?????????????????????????????????????????

???????????У??H?????????L????B?r?????l???????猢?I?B??????????25?????з???48С?r????????z?y?????????

??????c?????????????????????

?^???????c??????????????L?25?档

?????I??????????????????

??????I????????o?C?I?B?????

?S??I?B????????I??????????????I?Bδ???I?B????С?

???L?????????????????L????????????

????????N??????B???c???B?l?????????????????????????????????M?аl????????B?F??????????????????L?????c????h??????????I?????????ЙC??????????I???????I???L???????????????thermophile???t?????L???????

2.    ????R?z??

????@??R?z?y?r????????z?w????????ωT?????????????????????@??R??z???????????m?????????????Ω??????????????^?e????????c???????????????^?e?С?????w???c????:????

?????????@??R??????????????????N????^????????????????????????Y???

3.    ???????B??

??????z?w????????????????????B?????????????Y????????????x????x???????|????z?w?к????O?????????????????????з??x???????????????p-?u?????????p-hydroxybenzoic acid???r????D28~4?????????u????p-?u????????Ψ??????????????B????????????z?w?N????????????????1?????????????????????????1?????????B???????2???????????Ρ??????????????????????????B????????p-?u??????????Ψ??????????B??????????????????p-?u?????????????????γ??????_????????_??????????????N?????p-?u????????????w???B???????????^????Y?x???K???M??????p-?u??????????????t????????H?????|????B?????????L??

???????B???K??????????????粻????x?????????x???????????S????S???????????棬?}?s???|??????S????N?????????????á?

[ Last edited by wj_21cn on 2006-3-27 at 16:45 ]
3楼2006-03-27 16:44:29
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玉米糊糊

你先取少量试样 采用两种方式都过虑一下 然后和原来溶液做比对 不就得出结论啦 嘿嘿
5楼2006-03-28 14:09:43
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