24小时热门版块排行榜    

查看: 881  |  回复: 7
当前主题已经存档。
当前只显示满足指定条件的回帖,点击这里查看本话题的所有回帖

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 ]

» 猜你喜欢

成木虫啦
已阅   关注TA 给TA发消息 送TA红花 TA的回帖

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
已阅   关注TA 给TA发消息 送TA红花 TA的回帖
查看全部 8 个回答

ftfget1

去生物版问问看
2楼2006-03-27 16:19:35
已阅   关注TA 给TA发消息 送TA红花 TA的回帖

wj_21cn

木虫 (正式写手)


steincat(金币+1):多谢参与!
????????????ж???????????

??????????????????飬????????????????????????????

??????????????????????????????

?????????????????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
已阅   关注TA 给TA发消息 送TA红花 TA的回帖

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
已阅   关注TA 给TA发消息 送TA红花 TA的回帖
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[考研] 材料学硕318求调剂 +11 February_Feb 2026-03-01 13/650 2026-03-01 23:53 by ccp273206157
[考研] 265分求调剂不调专业和学校有行学上就 +6 礼堂丁真258 2026-02-28 8/400 2026-03-01 22:50 by jian_
[考研] 275求调剂 +3 明远求学 2026-03-01 3/150 2026-03-01 22:29 by 刘兵
[考研] 272求调剂 +6 田智友 2026-02-28 6/300 2026-03-01 21:40 by 公瑾逍遥
[考研] 0856求调剂285 +10 吕仔龙 2026-02-28 10/500 2026-03-01 21:37 by 公瑾逍遥
[考研] 0805总分292,求调剂 +7 幻想之殇 2026-03-01 7/350 2026-03-01 21:22 by 公瑾逍遥
[考研] 化工299分求调剂 一志愿985落榜 +5 嘻嘻(*^ω^*) 2026-03-01 5/250 2026-03-01 19:47 by 无际的草原
[考研] 295求调剂 +7 19171856320 2026-02-28 7/350 2026-03-01 18:54 by 18137688336
[考博] 26申博 +4 想申博! 2026-02-26 6/300 2026-03-01 17:32 by 想申博!
[考研] 化工专硕348,一志愿985求调剂 +5 弗格个 2026-02-28 8/400 2026-03-01 17:25 by sunny81
[考研] 290求调剂 +9 材料专硕调剂; 2026-02-28 11/550 2026-03-01 17:21 by sunny81
[考研] 321求调剂一志愿东北林业大学材料与化工英二数二 +4 虫虫虫虫虫7 2026-03-01 7/350 2026-03-01 16:52 by caszguilin
[考研] 307求调剂 +5 wyyyqx 2026-03-01 5/250 2026-03-01 15:21 by Fff-1
[考研] 303求调剂 +4 今夏不夏 2026-03-01 4/200 2026-03-01 14:46 by 嘟嘟小浣熊
[考研] 298求调剂 +9 人间唯你是清欢 2026-02-28 12/600 2026-03-01 14:23 by Ducount.Y
[考研] 302材料工程求调剂 +4 Doleres 2026-03-01 5/250 2026-03-01 11:52 by liqiongjy
[考研] 调剂 +3 简木ChuFront 2026-02-28 3/150 2026-03-01 11:46 by 王伟要上岸啊
[考研] 寻找调剂 +4 LYidhsjabdj 2026-02-28 4/200 2026-03-01 10:56 by sunny81
[考博] 博士自荐 +4 kkluvs 2026-02-28 4/200 2026-03-01 10:19 by 馥安馥安
[基金申请] 面上模板改不了页边距吧? +5 ieewxg 2026-02-25 6/300 2026-03-01 00:10 by addressing
信息提示
请填处理意见