copper belt造句
MinersinZambia'snortherncopperbelthavegoneonstrike.TheXileketehalasucopperdepositissituatedonthesouthernmarginoftheAltaycoppermetallogenicbelt,i.e.,insidetheoriginalKalaxiangeerporphyrycopperbelt.Tot...
MinersinZambia'snortherncopperbelthavegoneonstrike.TheXileketehalasucopperdepositissituatedonthesouthernmarginoftheAltaycoppermetallogenicbelt,i.e.,insidetheoriginalKalaxiangeerporphyrycopperbelt.Tot...
Aluminum-copperalloyhasbeenwidelyadoptedforitslowweightandhighmechanicalstrength,buttheexistenceofcoppermakestheanodizingofaluminum-copperalloydifficult.Rinsingwithtapwaterwaspopularlyadoptedbetweenth...
1、FPCdepositedcopperandrolledcoppertwo,coppercladplateofcopperfoilisconvexandscrutinytofromthepadsandtheFPCconnectionpointout.2、Electrodepositedcopperfoil...
Conductor:finestrandsoftinnedcopperwire,exellentcorrosionresistance.Somesubsidiariesproducecorrugatednylontubesandtinnedcopperwiresofeverysize.Inthispaper,theseparationoftincladdingfromtinnedcopperwir...
rolledannealedcopperfoil(RAcopperfoil)FPCdepositedcopperandrolledcoppertwo,coppercladplateofcopperfoilisconvexandscrutinytofromthepadsandtheFPCconnectionpointout.Throughprecisecontrolofweldingprocessp...
Thecloud-mussedskyturnedavaguecoppercolor.Herhairwastrueauburn,neithergingernorbrown,butdeepandburnishedcoppercolor,anditfelltoherwaistintressesthatmenwouldkillfor,andindeedoftenhad.Astheycamenear,Isa...
1、LiquefactionofspentACQ-treatedwoodinphenolandcopperremoval.2、ItisnoteworthythatbestcopperremovaloccurredatPH6.0,withtheadditionofferroussulfateonly.3、Themaximumcopperremovalratewasbothpresentinan...
ThespecimensmadefromBayertooth,thermosettingplastic,copperbasealloy,titaniumanditsalloyhaverelativelygoodwearresistanceaswellandarethusideaprostheticmaterials.Fromtheviewpointofelectriccontact,copperb...
FPCdepositedcopperandrolledcoppertwo,coppercladplateofcopperfoilisconvexandscrutinytofromthepadsandtheFPCconnectionpointout.finishedglassfabricsusedforcoppercladlaminatesandotherelectricpurposesDetect...
Zincandcopperhandlewithcopperhead,rubberring.Ironcastsbetterthancopper.Beatthecopperintothisshape.Thechemicalsymbolforcopperis"Cu".hissheathedsword;thecat'ssheathedclaws;aship'sbottomsheathedincop...
Whatcoloriscoppersulfatesolution?Flotationreagentsisammoniumsulfate,sodiumhexametaphosphate,coppersulfate,xanthatecollectorsBD,frothersQJ.Methylmercurywasextractedfromthehomogenizedtissuewithtoluenein...
syntheticenamelledcopperwireoil-baseenamelledcopperwire...
Thecoloredsolidifiedalcoholhasbeenpreparedbyutilizingalcohol,stearicacid,sodiumhydroxide,phenolphthalein,coppernitrateandcobaltnitrate.Thispossibilitywasinvestigatedandeliminatedthroughtheuseofasoluti...
Thethermalpropertiesanddeformationofnewtypecastcopperstavewithburiedcopperpipewerestudied.Thereisnoairgapbetweenwallandburiedcopperpipe....
atoxicdoublesaltofcopperarsenateandcopperacetate.PhenoxyacetophenonecouldbepreparedfrompotassiumphenolateandmbromoacetophenoneviaUllmannreactioncatalyzedbycopperacetateinhighyields....