乐投英超

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常见问题

实验室风机选择

乐投英超  ZHENGQUEXUANZEFENGJI,SHIBAOZHENGTONGFENGXITONGZHENGCHANG、JINGJIYUNXINGDEYIGEZHONGYAOTIAOJIAN。SUOWEIZHENGQUEXUANZEFENGJI,ZHUYAOSHIZHIGENJUBEISHUSONGQITIDEXINGZHIHEYONGTUXUANZEBUTONGYONGTUDEFENGJI;XUANZEDEFENGJIYAOMANZUXITONGSUOXUYAODEFENGLIANG,TONGSHIFENGJIDEFENGYAYAONENGKEFUXITONGDEZULI,ERQIEZAIXIAOLVZUIGAOHUOJINGJISHIYONGFANWEINEIGONGZUO。JUTIXUANZEFANGFAHEBUZHOURUXIA:

乐投英超  1.GENJUBEISHUSONGQITIDEXINGZHI,XUANYONGBUTONGYONGTUDEFENGJI。LIRU,SHUSONGQINGJIEKONGQI,HUOHANCHENQITILIUJINGFENGJISHIYIJINGGUOJINGHUA,HANCHENNONGDUBUCHAOGUO150mg/m3SHI,KEXUANZEYIBANTONGFENGHUANQIYONGDEFENGJI;SHUSONGFUSHIXINGQITI,YAOXUANYONGFANGFUFENGJI;SHUSONGYIRAN、YIBAOQITIHUOHANCHENQITISHI,YAOXUANYONGFANGBAOFENGJIHUOPAICHENFENGJI。DANZAIXUANZEJUTIDEFENGJIXINGHAOHEGUIGESHI,HAIBIXUGENJUMOUZHONGLEIXINGFENGJICHANPINYANGBENSHANGDEXINGNENGBIAOHUOTEXINGQUXIANTUCAINENGQUEDING。

  2.KAOLVDAOGUANDAOXITONGKENENGLOUFENG,YOUXIEZULIJISUANBUDAZHUNQUE,WEILESHIFENGJIYUNXINGKEKAO,XUANYONGFENGJIDEFENGLIANGHEFENGYAYINGDAYUTONGFENGCHUCHENXITONGDEJISUANFENGLIANGHEFENGYA,JI

乐投英超  FENGLIANG:  L′=KLL  (1)

乐投英超  FENGYA:  H′=KHH  (2)

  SHIZHONG

  L′、H′——XUANZEFENGJIYONGDEFENGLIANG、FENGYA;

  L、H——TONGFENGCHUCHENXITONGDEJISUANFENGLIANG、FENGYA;

乐投英超  KL——FENGLIANGFUJIAXISHU,CHUCHENXITONGKL=1.1~1.15;

  KH——FENGYAFUJIAXISHU,CHUCHENXITONGKH=1.15~1.2。

  3.GENJUXUANYONGFENGJIDEFENGLIANGL′FENGYAH′,ZAIFENGJICHANPINYANGBENSHANGXUANDINGFENGJIDELEIXING,QUEDINGFENGJIDEJIHAO、ZHUANSUHEDIANDONGJIGONGLV。WEILEBIANYUJIEGUANHEANZHUANG,HAIYAOXUANZEHESHIDEFENGJICHUKOUWEIZHIHECHUANDONGFANGSHI。SUOXUANZEFENGJIDEGONGZUODIANYINGZAIJINGJIFANWEINEI,ZUIHAOCHUYUZUIGAOXIAOLVDIANDEYOUCE。

乐投英超  4.FENGJIYANGBENSHANGJICHUDESHIFENGJIZAIBIAOZHUNZHUANGTAI(DAQIYALIWEI1.013×105 Pa、WENDUWEI20℃、XIANGDUISHIDUWEI50%)XIADEXINGNENGCANSHU,RUSHIJIYUNXINGZHUANGTAIBUSHIBIAOZHUNZHUANGTAI,FENGJISHIJIDEXINGNENGJIUHUIBIANHUA(FENGLIANGCHUWAI)。

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