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lrg2019-09-19

  @ˮӋ\ڹ늴ś@ˮӋ{ԇK\ҼΕrFĹϣҊ\ڹҼȱڸӡ늴Լhl׃The failure of sewage flowmeter in operation period is the failure of electromagnetic sewage flowmeter after debugging and running normally for a period of time.

  ҼЩҊϵęz鷽Mf

قȱڸ늴ś@ˮӋÁyK@w\ҼΕrgᣬڂȱڷe۸Ӷaϡ@Щ춸ӵ늌̫̫Сɵġ^ӣt늘O·F·ͼƬߣߣ,4tubyou,С˴Ų;늌@w늌ʣt늘O·F·xҲԣr늴ś@ˮӋy܃ȵĸYӡ

  • (33)
  • ڭhl׃{ԇg춭hlк(]Ў֔_Դ)Ӌ˕rbl(ӵ؁K)@Nr£Ҽhl׃\gFµĎ֔_Դ(ӋܵM늺bϴ׃)͕֔_xӋݔݔ̖͕Fӡ

      늴דڃx·иБ늉˜ʹxpġҪͨ^ԴžȦcDQ֮g̖;룬ǏĿԴռ^󲿷֡

    zyP֪Rz򞷽ҼҪ

    ٷQȡָƽMзQ侫ҪÔֵЧλʾ“Qȡ20.0g……”ָQľȞ±0.1g“Qȡ20.00g……” ָQľȞ±0.01g

    ڜʴ_QȡָþƽMеķQ侫Ȟ±0.0001g

    ۺָҎėl£ͼƬߣߣ,4tubyou,С˴BmɴΎƟQ|^ҎĹ

    ȡָͲȡҺw|IJ侫ҪÔֵЧλʾ

    ȡָҺܡ̶ȡҺw|IJ侫ҪÔֵЧλʾ

  • (9)
  • ޿հԇ򞣺ָӘƷ⣬ȫͬķEԇ(ζИ˜ʵζҺ)MƽвõĽY춿۳Ʒԇ׺Ӌz򞷽ęzޡ

    ԇҪҺȵĻʾ

    When no other requirements are specified, the water used in the test means distilled water or deionized water. An aqueous solution when prepared with no specified solvent. When the specific concentration of H2SO4, HNO3, HCL and NH3H2O is not specified in the test method, it refers to the concentration of commercial reagent specifications. Liquid drop refers to the amount of one drop of distilled water from the standard dropper. 20 drops at 20 is equivalent to 1.0mL
    ҺȵıʾҪУ

    Ԙ˜ʝ(|)ʾ䶨xλweҺ||λMol/L

    ԱȱʾԎ׷NwԇĻ|ݔҺwԇĻweݔʾӛ(1+1)(4+2+1)ʽ

    |(we)֔ʾ|ռҺ|֔we֔ʾӛw档

    Һ|λʾɱʾg/Lmֱʾ(mg/mL)
    ҺҪ

  • (12)
  • Һrʹõԇ܄ļȑϷĿҪҼͼƬߣߣ,4tubyou,С˴Ӳ|ƿţAҺͽҺþϩƿţܹԇAɫƿС
    Ҫ

    zrƽԇ򞡣zYıʾʳƷl˜ʵıʾҼ£ӋȡֵѭЧַtȡҎt

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