英语翻译Thedistillationequipmentis-查字典问答网
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  英语翻译Thedistillationequipmentisevacuated,thenfilledwithnitrogen.Thenthecrudep-Fluorobenzylamineisfilledin.AfterdistillationtheequipmentvacuumisbrokenwithnitrogenwhichisfreeofoxygenorwithArgon.Thedrumsmusthaveclos

  英语翻译

  Thedistillationequipmentisevacuated,thenfilledwithnitrogen.Thenthe

  crudep-Fluorobenzylamineisfilledin.Afterdistillationtheequipment

  vacuumisbrokenwithnitrogenwhichisfreeofoxygenorwithArgon.

  Thedrumsmusthaveclosuresystemswhicharegastight.

  Thefactoryshouldconstructacylinderwhichhasarubbergasketatoneend

  withadiameterbiggerthenthenozzleofthedrum.Ontheothersideithas

  astuffingboxwithadrumkeywhichholdsthestopper.Likeascrewdriver

  goingthroughastuffingbox.ThiscylinderhasasmallvalveforArgon.

  TheemptydrumsarefilledwithArgon.Thenthepurep-Fluorobenzylamineis

  filledin.Whendrumisfull,thecylinderispressedoverthenozzleand

  slightoverpressureofArgonisapplied.Thenthedrumkeywhichholdsthe

  stopperispusheddownandthestopperisscrewedintothenozzle.Thedrum

  shouldnowholdaslightoverpressureofArgon.

1回答
2020-06-03 16:01
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童刚

  蒸馏设备撤离,然后填充氮气.那么原油的P-fluorobenzylamine是填平后,蒸馏设备真空被打破,与氮,这是免费的氧气或氩.钢桶必须有封闭系统,其中主要是天然气紧张.工厂应兴建一个缸,其中有一个橡胶垫片在一端一个直径越...

2020-06-03 16:02:26

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