24小时热门版块排行榜    

查看: 876  |  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

taicheng

金虫 (职业作家)

滤纸适合用于粉末的过滤,脱脂棉用于颗粒状固体的过滤,个人决的过滤土壤溶液用滤纸好一些
8楼2006-04-04 12:42:58
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

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
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[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] 材料化工调剂 +10 今夏不夏 2026-03-01 11/550 2026-03-01 19:49 by 无懈可击111
[考研] 高分子化学与物理调剂 +6 好好好1233 2026-02-28 12/600 2026-03-01 19:48 by 好好好1233
[考研] 一志愿中南大学理学化学 +4 15779376950 2026-03-01 5/250 2026-03-01 19:00 by Fff-1
[考研] 272求调剂 +6 材紫有化 2026-02-28 6/300 2026-03-01 18:58 by 18137688336
[考研] 材料类求调剂 +10 wana_kiko 2026-02-28 11/550 2026-03-01 18:11 by 海嵙Y
[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] 295复试调剂 +3 简木ChuFront 2026-03-01 3/150 2026-03-01 14:27 by zzxw520th
[考研] 284求调剂 +6 天下熯 2026-02-28 6/300 2026-03-01 14:19 by Ducount.Y
[考研] 材料284求调剂,一志愿郑州大学英一数二专硕 +10 想上岸的土拨鼠 2026-02-28 10/500 2026-03-01 14:12 by yc258
[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] 311求调剂 +9 南迦720 2026-02-28 10/500 2026-03-01 10:55 by sunny81
[硕博家园] 博士自荐 +6 科研狗111 2026-02-26 10/500 2026-03-01 10:02 by 科研狗111
[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
[考研] 085600材料工程一志愿中科大总分312求调剂 +8 吃宵夜1 2026-02-28 10/500 2026-02-28 20:27 by L135790
[考研] 276求调剂 +3 路lyh123 2026-02-28 4/200 2026-02-28 19:45 by 路lyh123
[硕博家园] 【博士招生】太原理工大学2026化工博士 +4 N1ce_try 2026-02-24 8/400 2026-02-26 08:40 by N1ce_try
信息提示
请填处理意见