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1、F890二67國內(nèi)圖書分類號：TH單位代碼：5學號：22密級：oo￡j公oooo-TF北京工業(yè)大學工程碩士學位論文題目太逾量壓左鹽償式瀆達篋五筮班劍英文并列題目從△盟！』！！從！墮曼曼女！四！盟旦！??！IQ從QEH!魚豎二E!!』21￡墮5墨！』塞墾CO吁ENSATINGEMITTER研究生姓名：塑蘊蠶工程領域：扭越工捏研究方向：扭撼遮豉叢堡地導師姓名：蠶囂抖職稱：副熬握副導師：王塹垃職稱：妾堡王猩域論義報告提交口期：授予單位名稱和地址：2Q墮生！旦2Q旦jE立王些厶里學位授，口期：——aE垂更型CD些：E巫圍！業(yè)芷thepdr?lpequ?lacc0grea0fthrat?Jc0ndrnop
2、eiTigeugreaeVelpdan曲oa1aAbstractxin自iallgandPmduct?l0nandc伽stmct■loncorpof山eCh■lnesepe0ple'sL?lberat?lonA肌y?lsanimp0rtaIltPr0duct■lonbase0ftllea芷l■lmalhusballdryandtheplanmi培f0rest0rfmittrees?lnourcou[ntry?Itsals0aneofthec0mp盯珊ensat■lngdr■lpp■lPe■lsunder4l/h?ln0c0un醇w?lthtllew8tefdr0pperb0u曲ef『0f0戚g
3、時flc0unWileswh■lch■lsunabletosat■lstherequ■lrement0fwatersupplyecologica1enVirOm?entsuchasmeecoI1omicforest,gmssetc.intheshowecompesatisborderdistrictinXinjiang.TheinvestigationresuItathomeandabmaddthatmela唱eflowpressurensatingdripirrigationcouldfytheabove—mentionedrequirements；itisaspecificproducta
4、pp1icab1eflortheabove—menti0nedarea,Thedeve1opmentoft11epressurec0mPensatingd丘B(yǎng)iFfigationpipehasthepmm■1nentsuperioritysuchasaboVe41mf1uXre1iab1epressurecompensatingperfb肌ance,sma11nuxdeviation,11ighprcssureendurance,longservice1ifeandsuibb1eforgreattemind■1f詫rence.Thispaperintroduces]辦epr0cessingco
5、Wseofane、v—k{ndp『0duc^onofdjipjrrigation,tilespec■1a1designprincipleofthedripperWh?1chovercomesthedefcctof仃aditi曲a1pressurecompensatingdripperwhichc0u1dnotflowinthehi曲pressure,nespec?1a1designed嘶ncanbeinstailedontheautomatic1ineormanua1ly夙ed?1n00r)kingsite.Thereisafilteratthe■1n1et.Thefi1terwasdesig
6、nedaccordint0theuniquedeVisedp一ncip]e0fautomatica11yshakjngandcieanjngVa]Vecoreandithasas廿ongperfomance0sfmrae1s1istingj鋤.Theproductattributesbu1ksavingmaterials,decreasingpr?1ce,andcanbeusedontheFoundorbur■1edintheland.Thjspaperdiscussest}1emanufactureprocessofmeValVethedmpperandt11ecapi1]arytubc0r
7、eew?1也thesiliconembber,thepolyethylenasthcmainrawmaterial.Theexplorati0andtheoptimizationofinthereactionpr0cessconditionwasalsoaccomplishpaper.ThebesteraRconditionoe■1nthefmeVa1vecoreis:ComponentA:Com
