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所在版块 主题(研究方向: 数论的广播贴) 作者 回复数 最后回复
[环境] 反渗透进水装颗粒计数器,测出来的颗粒数多少算正常? newtonwin 2026-03-05 0/0 2026-03-05 16:55:09 by newtonwin
[环境] TOC和COD有没有固定的换算关系?能直接用TOC推导COD吗? +1 newtonwin 2026-03-05 1/50 2026-03-10 22:51:03 by 一丝风月
[考研] A区一本交叉课题组,低分调剂,招收机械电子信息通信等交叉方向    ( 1 2 3 4 5 6 .. 9 ) +61 lisimayy 2026-03-04 80/4000 2026-03-22 19:37:00 by 笑笑袁
[考研] 欢迎211本科同学,过A区国家线,A区非偏远一本,交叉学科课题组    ( 1 2 3 4 5 ) +25 lisimayy 2026-03-04 41/2050 2026-03-22 14:56:33 by 海平面1
[考研] 西电计算机本科毕业生求调剂 +1 fivegogogo 2026-03-04 1/50 2026-03-04 16:17:33 by 求调剂zz
[有奖问答] 给静茹送金币 50 小fang同学 2026-02-28 0/0 2026-02-28 11:22:20 by 小fang同学
[电化学] 应急监测车上配重金属检测仪,是选便携式XRF还是阳极溶出伏安法? newtonwin 2026-02-27 0/0 2026-02-27 11:43:02 by newtonwin
[环境] 实验室想买台TOC仪,主要测污水,是选高温燃烧还是紫外氧化? newtonwin 2026-02-27 0/0 2026-02-27 11:41:11 by newtonwin
[环境] 防爆压力变送器接本安电路,到底需不需要安全栅? newtonwin 2026-02-27 0/0 2026-02-27 11:39:15 by newtonwin
[分析] 荧光帽用了两年,校准能过,但感觉反应慢了,需要换吗? newtonwin 2026-02-27 0/0 2026-02-27 11:37:12 by newtonwin
[论文投稿] ieee 期刊,已送外审二十多天,发现有重大错误,怎么办? 10+1 qweasd12345 2026-02-25 2/100 2026-03-02 15:21:36 by babero
[环境] 碱性过硫酸钾消解总氮,为什么有时候消解管会“喷”? newtonwin 2026-02-11 0/0 2026-02-11 14:52:10 by newtonwin
[环境] 总磷在线仪,消解完的比色皿总有沉淀洗不干净,影响大吗? newtonwin 2026-02-11 0/0 2026-02-11 14:51:00 by newtonwin
[电化学] 测带荧光的印染废水色度,仪器读数严重失准,怎么办? newtonwin 2026-02-11 0/0 2026-02-11 14:48:00 by newtonwin
[环境] 一台多参数监测仪内部,pH和电导率的电极离那么近,不会互相干扰吗? +1 newtonwin 2026-02-11 1/50 2026-03-23 10:31:11 by 无前921
[分析] 即插即用氨氮模块,换一个“试剂包”能管多久? newtonwin 2026-02-11 0/0 2026-02-11 14:43:06 by newtonwin
[分析] 色度仪测污水,结果用“铂钴色度”报,还是用“稀释倍数”报? newtonwin 2026-02-11 0/0 2026-02-11 14:39:24 by newtonwin
[化工设备] 测锅炉给水的微量溶解氧,怎样避免一开取样瓶,数据就“爆表”? newtonwin 2026-02-10 0/0 2026-02-10 10:19:03 by newtonwin
[分析] 目测色度,两个人看同一个样,结果不一样,听谁的? +2 newtonwin 2026-02-10 2/100 2026-02-28 11:53:33 by t892893235
[电化学] 测饮用水氟化物的电极,放那儿不用,怎么保存才不坏? newtonwin 2026-02-10 0/0 2026-02-10 10:12:38 by newtonwin
[分析] 现场一堆智能传感器,每个都要装个APP,烦死了!有能一个软件管所有的吗? newtonwin 2026-02-10 0/0 2026-02-10 10:11:20 by newtonwin
[环境] 快速法测COD,数据老比国标法低一截,报给环保局会不会挨批? newtonwin 2026-02-10 0/0 2026-02-10 10:09:26 by newtonwin
[环境] 同一瓶水样,COD快速测定仪和国标回流法结果差很多,该以哪个为准? +2 newtonwin 2026-02-10 2/100 2026-03-24 00:03:28 by 钟梦晓司
[环境] 用发光细菌测毒性,结果“有毒”,但常规指标都正常,该信谁? newtonwin 2026-02-10 0/0 2026-02-10 10:04:56 by newtonwin
[电化学] ORP的数值一直负几百,还跳来跳去,这仪器是坏了吗? newtonwin 2026-02-10 0/0 2026-02-10 10:03:00 by newtonwin
[分析] 测高氯度废水(比如海产养殖尾水)的氨氮,怎么避免余氯干扰? newtonwin 2026-02-10 0/0 2026-02-10 09:56:17 by newtonwin
[环境] 台式色度仪选购推荐 newtonwin 2026-01-20 0/0 2026-01-20 09:29:05 by newtonwin
[电化学] 不同品牌的智能传感器,能用一个“数字传感器操作平台”统一管理吗? newtonwin 2026-01-20 0/0 2026-01-20 09:28:02 by newtonwin
[电化学] 氨气敏电极,除了定期换膜,内充液多久需要更换一次? newtonwin 2026-01-20 0/0 2026-01-20 09:26:51 by newtonwin
[环境] 测初沉池污泥浓度,用“浊度”模式还是“悬浮物”模式? newtonwin 2026-01-20 0/0 2026-01-20 09:20:47 by newtonwin