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1、THEIHEMISTRYANDMANUFACTUREOFHTDROGENBYP.LlTHERLANDTEEDRisMjMlNINC*ANDMETALLURGY),AIMMMAJOR,KAI-,LONDQ.EDWARD11919DEDICATECBTOM^ITLAND.JLM.G,D.S.O.,R.A.FANI>.A-F.C,R.AF.DEFACE.aiH&nalrequirementsareperhapsthegreatest,iti3t&sJUfrortl^thatourcontributiontothetechnologyo$%vMfe"en•&probablythe
2、leastofanyoftheQreat*FflwW;so,shouldithappenthatthisworkinanywaystimulatesinterest,resultinginfurtherimprovementinthetechnologyofthesubject,theauthorwillfeelhimselfmorethanamplyrewardedTheauthorwouldliketoexpresshisthankstotheDirectorofAirshipProductionforpermissiontopublishthisbook,andtoM
3、ajorL.Rutty,R.A.F.,formanyhelpfulsuggestionsinthecompilationofthetextandassistanceincorrectingtheproofs.P.L.TEYNSKORD,KENTCONTENTS.CHAP.PAGEI.HYDROGEN—ITSUSES—DISCOVERY,ANDOCCURRENCEINNATUREIIITHECHEMICALPROPERTIESOFHYDROGEN9IIITHEMANUFACTUREOFHYDROGENCHEMICALMETHODS.39IVTHEMANUFACTUREOFHY
4、DROGEN.CHEMICO-PHYSICALMETHODS...113VTHEMANUFACTUREOFHYDROGEN.PHYSICALMETHODS126APPENDIX,PHYSICALCONSTANTS.145CHAPTERI.HYDROGEN—ITSUSES—DISCOVERY,ANDOCCUR-RENCEINNATURE.TheUsesofHydrogen.—Thecommercialpro-ductionofhydrogenhasreceivedagreatstimulusdur-ingthelastfewyearsowingtoitsbeingrequir
5、edforindustrialandwarpurposesinquantitiesneverpreviouslyanticipated.ThediscoveriesofM.Sabatierwithregardtotheconversionofoleinandotherunsaturatedfatsandtheircorrespondingacidsintostearinorstearicacidhavecreatedanenormousdemandforhydrogenineveryin-dustrialcountry;1thesyntheticproductionofam
6、moniabytheHaberprocesshasproducedanotherindustrywithgreathydrogenrequirements,whiletheGreatWarhas,throughthedevelopmentofthekiteballoonandairship,maderequirementsforhydrogeninexcessofthetwopreviouslymentionedindustriescombined.Theincreaseinhydrogenproductionhasmodifiedtheolderprocessesbywh
7、ichitwasmade,andhasalsoledtotheinventionofnewprocesses,withtheresultthatthecostofproductionhasdecreasedandwillprob-ablycontinuetodecrease,thusallowingofitsemploy-mentinyetnewindustries.1Theweightofoilhardenedbymean&xSBk*.fliQKeninEuropein1914probablyexceeded25
