涂刷中施用密封剂是为了预防随后涂层中的黏结剂被过度吸收课件

Unit Eight FinishesText BText BUNIT 8 TEXT BwTranslationwStructurewMain IdeawWords&PhrasesTEXT B TRANSLATION SsSsRead text A in silence with reference to the wordlist the teacher gives them beforehand.Translate text A individually.Work in groups to discuss on the translation of the assigned part.Report in class on the translation one group after another.TEXT B TRANSLATIONTGives a better translation when needed,especially of the difficult sentences.TEXT B TRANSLATION1.Sealers are generally applied in painting to prevent undue absorption of the binder from subsequent coats of paint.一般来说，涂刷中施用密封剂是为了预防随后涂层中的黏一般来说，涂刷中施用密封剂是为了预防随后涂层中的黏结剂被过度吸收。结剂被过度吸收。2.The priming coat is applied(to timber)to reduce its porosity and to form an adherence to the surface,(which in turn will form a base to receive the undercoat).It also forms a protective coat(to the timber)until such time as the following coats can be applied.施于木材的底漆是为了减少其孔隙度，形成对施于木材的底漆是为了减少其孔隙度，形成对表面的黏附，这反过来也形成内涂层的涂刷基础，成为木表面的黏附，这反过来也形成内涂层的涂刷基础，成为木材的保护层，以进行后面涂层的涂刷。材的保护层，以进行后面涂层的涂刷。TEXT B TRANSLATION3.Because this coat is covered,many people think that it is an opportunity(to get rid of all the odds and ends of pain(that have been left over from previous jobs).因为这一层是被覆盖的，许多人认为这是一个好因为这一层是被覆盖的，许多人认为这是一个好时机，可趁此除去先前涂刷中那些令人头疼的瑕时机，可趁此除去先前涂刷中那些令人头疼的瑕疵。疵。4.The undercoat therefore assists in filling and leveling the surface and also in obliterating any markings(that would mar the finished appearance of the job).因此，内涂层有助于填充和找平表面，也能除去有损涂内涂层有助于填充和找平表面，也能除去有损涂刷外观效果的痕迹。刷外观效果的痕迹。TEXT B TRANSLATION5.The timber is fairly dry during late spring and water will not be locked when it is painted over.晚春时木材相当干燥，当涂刷完成后不会有水晚春时木材相当干燥，当涂刷完成后不会有水分锁在木材里。分锁在木材里。Unit Eight FinishesText BText B（II)II)TEXT B STRUCTURE1.Lead-in Part:Factors affecting painting(surface,environment,cost,function of the finish)2.4 Coats:1)Sealers:role(absorption,chemicals,bleeding)2)Primers:Different performance,foundation,chance 3)Undercoats:function(a well filled surface,sealer),thickness,color 4)Finishing coats:conditions,texture&color,protect,late springTEXT B MAIN IDEASs sum up the main idea of text A in their own words orally,then Teacher gives an example.TEXT B PHRASES1.depend on/upon e.g.The length of time spent exercising depends on the sport you are training for.2.be subjected to 使使.经历经历/遭受遭受 e.g.As a test the metal was subjected to great heat.3.play a role in e.g.Parents play an important role in their childs learning.4.prevent.from/against.e.g.His back injury may prevent him from playing in tomorrows game.We were prevented from entering the site.5.bleed into 渗开，散开渗开，散开 e.g.Keep the paint fairly dry so that the colors dont each other.TEXT B PHRASES6.be capable of e.g.I dont think hes capable of murder.The company isnt capable of handling an order that large.6.adhere to(adhesion to,adherence to)粘着，固着粘着，固着 e.g.The eggs of these fish adhere to plant leaves.7.be different to/from e.g.Her jackets different to mine.Our sons are very different from each other.8.in turn e.g.Interest rates were cut and,in turn,share prices rose.9.get rid of e.g.Its time we got rid of all these old toys.TEXT B PHRASES10.odds and ends e.g.He didnt keep much in his desk-just a few odds and ends.11.be left over e.g.After weve paid the bills,theres never much left over.They ate some bread rolls left over from the night before.12.impart.to e.g.The spice s an Eastern flavor the dish.13.assist in e.g.You will be employed to assist in the development of new equipment.14.sink in(to)渗入，被吸收渗入，被吸收 e.g.Rub the cream on your skin and let it sink in.The rain sank into the dry ground.15.carry out e.g.A survey is now being carried out nationwide.Turn off the water supply before carrying out repairs.Unit 8 Text B Words1.finish n.竣工；装修，修饰；涂层，面层；装饰面板，涂料 coat罩面层 ing n.修整；涂层；竣工 ing material装饰材料；ing coat 装饰涂层，罩面抹灰层 ed a.ed cement水泥成品，ed floor完工的地板面 er n.装修工，修整机2.coat n.涂层，面层，抹灰层 priming/primer 首涂层，底漆；sealer 隔离层，密封层；under内涂层；protective 保护层；top/finish 面层，外 涂层；finishing 装饰涂层，罩面抹灰层 ing n.涂，油漆，涂层，涂料3.paint v.n.油漆，涂料；涂装，刷漆 system涂装体系;ing n.涂漆，粉刷；涂料，油漆 ing system涂刷次序，油漆次序4.be subjected to 使 经历/遭受5.hard-wearing a.耐磨的 coat6.washable a.可洗的，耐洗的 wallpaper可擦洗壁纸 washing n.冲刷7.sealer n.密封剂，密封层，保护层，隔潮层，封闭底漆8.undue a.不适当的，过分的，过度的9.binder 黏合剂，粘接料10.substrate n.基底，底层，胶粘体11.premature a.过早的，提前的 failing早期破坏12.bleed into 散开，渗开13.primer n.底层涂料，底漆 eth 磷底漆 prime a.基本的 v.涂头道油漆 priming n.底子，涂底漆14.adhere v.黏附，附着(to)adhesion n.黏附，附着 adherence n.粘着，附着 adhesive a.附着的，粘着的15.porosity n.多孔性，孔隙度，（疏）松度16.inhibit v.防止，抑制17.odds and ends 零碎，琐碎的东西18.pain n.令人头疼的人/事，讨厌的人/事19.be left over残留，剩下 20.putty n.腻子，油灰，填缝料21.stopping n.填充料，腻子22.filling n.填料23.soakage n.吸入（量），浸泡，渗透24.blemish n.轻疵，瑕疵25.impart.to 将.给予，把.赋予26.body n.涂料稠度27.pore n.细孔28.minute a.细微的29.cavity n.（洞）穴30.assist v.帮助(.in)31.obliterate v.清除，覆盖 e.g.The snow had d their footprints.Everything that happened that night was d from his memory.32.marking n.痕迹33.mar v.破坏，损毁 e.g.The game was red by the behavior of the drunken fans.34.sink into渗入，渗透35.patchy a.分布不匀的 e.g.The grass was dry and.36.stand up to 经得起 37.impose.upon/on 把.强加于 38.fumes n.（浓烈的或有害的）烟，气39.abrasion n.水蚀，冲蚀40.mould n.霉41.moisture n.潮气，水分 penetration n.渗透 moisture penetration 湿气渗入，透潮/湿42.texture n.花纹，图案43.deterioration n.老化，变质44.blister n.气泡，气孔 v.起泡，起皮；局部隆起，泡状突起 ed paintworkAloud Reading of Text BSUMMARY OF TEXT BwFactors;Sealers;Primers;Undercoats;Finishing coatswWordlistTEXT B ASSIGNMENTSw Read Text B fluently.w Exercises after Text Bw WordlistUNIT 8 TEXT BTHANKS!