Thecoreofthewoodcompositedoorismainlymadeofpine,firorimportedfillingmaterials.Afterthehigh-temperaturehotpressingoftheexternaldenseboardandsolidwood,itissealedwithsolidwoodline.Generally,advancedsolidwoodcompositedoorisused.Thecoreofthedoorismainlyhigh-qualitywhitepine,andthesolidveneeronthesurface.Becausethedensityofthewhitepineissmall,theweightislight,andthemoistureiseasytocontrol,thefinisheddoorislight,noteasytodeform,deformandcrack.Thesolidwooddooralsohasthecharacteristicsofheatpreservation,impactresistanceandflameretardant.Thesoundinsulationeffectofcopperdoorsisbasicallythesameasthatofsolidwooddoors.

青铜

bronze

因为实木复合门有多种形状,样式丰富,或优雅的欧式雕刻,或中国古典削减鲜花、现代或时尚,不同装饰风格的门向消费者提供了一个广阔的空间选择,因此也被称为实木的造型门,实木复合门有光滑的感觉,不仅色彩柔和,并且非常环保的特点,耐用,实木复合门与青铜门相比有一种光滑的感觉。颜色柔和，不易开裂，同时属于高档产品。山东铜门厂铜门与实木门的区别及铜的性能与性能分析:

Becausethesolidwoodcompositedoorhasmanyshapes,richstyles,orelegantEuropeancarvings,orChineseclassicalcutflowers,modernorfashion,thedoorswithdifferentdecorativestylesprovideconsumerswithawidechoiceofspace,soitisalsoknownasthesolidwoodmodelingdoor.Thesolidwoodcompositedoorhasasmoothfeeling,notonlysoftcolors,butalsoveryenvironmentalcharacteristics,durable,solidwoodcompositedoorandbronzedoorThanasmoothfeeling.Softcolor,noteasytocrack,andbelongstohigh-gradeproducts.ThedifferencebetweenthecopperdoorandthesolidwooddoorinShandongcopperdoorfactoryandtheperformanceandperformanceanalysisofcopper:

铜的制备:

Preparationofcopper:

铜的生产有两种:火法和山东湿法。火铜是通过焙烧、熔化、吹炼和精炼铜精矿制成的。 Therearetwokindsofcopperproduction:fireprocessandShandongwetprocess.Pyrocopperismadebyroasting,melting,convertingandrefiningcopperconcentrate.

电解铜和湿法冶金铜是先用溶剂浸出铜矿或精矿，然后从浸出液中提取铜。目前，湿铜产量约占世界总产量的12%。该方法主要用于氧化铜的处理。

ElectrolyticcopperandHydrometallurgicalcopperusesolventtoleachcopperoreorconcentrate,andthenextractcopperfromleachsolution.Atpresent,wetcopperproductionaccountsforabout12%oftheworld'stotalproduction.Thismethodismainlyusedforthetreatmentofcopperoxide.

铜的性质:

Propertiesofcopper:

铜是一种优良的导体和热导体，导电率是银的94%，导热率是银的73.2%。铜在干燥的空气中是无氧的，在含有二氧化碳的潮湿空气中形成铜绿。与碱性溶液反应很慢，但很容易与氨形成络合物。铜的标准电极电位为+0.337v。在酸性溶液中，铜不能取代氢，但可溶于氧化酸。二价铜的电化学当量为0.0003294g/库仑。

Copperisakindofexcellentconductorandthermalconductor.Itsconductivityis94%ofsilver,anditsthermalconductivityis73.2%ofsilver.Copperisoxygen-freeindryairandformsacoppergreeninhumidaircontainingcarbondioxide.Thereactionwithalkalinesolutionisveryslow,butitiseasytoformcomplexwithammonia.Thestandardelectrodepotentialofcopperis+0.337v.Inacidsolution,coppercan'treplacehydrogen,butitissolubleinoxidizingacid.Theelectrochemicalequivalentofdivalentcopperis0.0003294g/coulomb.

青铜

bronze

铜资源:

Copperresources:

在自然界中,主要是硫化铜和铜氧化物及其类似化合物,天然矿物质如铜、硫酸铜、碳酸盐、硅酸盐、约280种,TongZha矿物主要有16种天然铜大门,硫化铜,黄铜矿、铜蓝、黄铜矿,四面体,四面体砷、硫、砷、铜、铜氧化物、铜黄铁矿、黄铜矿、硫酸铜和铜碳酸盐和硅酸盐:孔雀石、铜、硅孔雀石,明矾。

Innature,itismainlycoppersulfideandcopperoxideandtheirsimilarcompounds.Thereareabout280kindsofnaturalminerals,suchascopper,coppersulfate,carbonate,silicate.TONGZHAmineralsmainlyinclude16kindsofnaturalcoppergate,coppersulfide,chalcopyrite,copperblue,chalcopyrite,tetrahedron,tetrahedronarsenic,sulfur,arsenic,copper,copperoxide,copperpyrite,chalcopyrite,coppersulfateandcoppercarbonateandsilicate:Malachite,copper,malachite,alum.

铜很容易与锌、铅、镍、铝和钛结合。铜及其合金广泛应用于电器、机械、车辆和船舶工业中的民用电器。铜是现代工业、农业、国防和科学技术中不可缺少的有色金属。

Copperiseasytocombinewithzinc,lead,nickel,aluminumandtitanium.Copperanditsalloysarewidelyusedinelectricalappliances,machinery,vehiclesandcivilappliancesintheshipbuildingindustry.Copperisanindispensablenon-ferrousmetalinmodernindustry,agriculture,nationaldefenseandscienceandtechnology.

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