英文科技论文写作常用句子整理

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1、英文论文写作常用句子：1、Introduction(Motivation/purpose/goal/aim/objective/importance)(presenttense)1)Theaimofthispaperistoassesstheaccuracyofsteady-statescale-upforsmall-scalesedimentarystructures.2)Animportantobjectiveofthesewell-constrainedexperimentsistoevaluatecurrenttheoreticalmodel

2、sofPGEsolubility.2、Scope/perspective(past/presenttense)1)Thisstudyexaminedfecalcoliformreductionindomesticwastewaterafterreceivingtreatmentthroughaconstructedopenwaterwetland,aslowsandfilter,andaportableultravioletdisinfectionunit.2)Thescopeofthisstudywastocomparethebehaviorand

3、characterofdissolvedorganiccarbon(DOC)duringsoil-aquifertreatmentatdifferentfieldsitesinArizonaandCalifornia.3、method/procedure/approach(pasttense)1)Inthisstudy,alab-scaleaerobicbiofilter-biotricklingtowersystempackedwithparticulateplasticmedia(1.5cm,hexagoninshape)wasusedtotre

4、atthesaltyartificialwastewaterpollutedbymineraloil(dieselfuel)mixedwithchemicaldispersant(CPCOD-10)andinorganicnutrients.2)Itinvolvedrecyclingasmallportionoftheprimarysludgeandthenactivatingittoenhanceitsbiosorptiveandflocculentpropertiesthrough30-minaeration.Theaeratedsludgewa

5、sthenbroughtintocontactwithrawsewagetoinducerapidbiosorptionofsolubleCODandflocculationofcolloidalorganicbeforethemixturewassettledinaregularprimaryclarifier.4、Results/findings/products(pasttense)e.g.Threegranitoidmagmaticeventswereidentifiedat815Ma,700-730Ma,and620-625Ma,which

6、weremarkedbyemplacementofthecalc-alkalineUjjukkagraniteandgranodiorite,theanatecticSuqii-Waggatwo-micagraniteandtheGuttinK-feldsparmegacrysticgranite,andtheanorogenicGanjiimonzogranite,respectively.5、Discussion/Conclusions(present/pasttense)e.g.Theresultsshowedthatundertraction

7、freeconditionssubsidencewasathree-dimensionalproblemandone-dimensionalsubsidencemodelstendedtofocusexcessiveamountsofverticaldeformationnearthepumpedwell.Themagnitudeofverticaldeformationinone-dimensionalsubsidencemodelswasexacerbatedasthegridsizebecamesmallerinthevicinityofthe

8、pumpingwell.Thiswasduetoincreasedcalculateddrawdownint