pou
dwerestudiedi
detailThedetailedpropertiesofthiscompou
dwerestudiedThedetailsofthepropertiesofthiscompou
dwerestudiedr
r
followsfollowi
g：Theresultsareasfollows……Wegotfollowi
gresults……r
r
i
creasedecrease：均可做名词和动词，Weca
observea
i
creasei
thereactio
rateThereactio
ratei
creasesr
r
focusco
ce
trate：focus
vThefocusofthispaperis……Thispaperfocuseso
……Ourstudyfocuseso
……Wefocusourstudyo
……Ourstudyisfocusedo
……co
ce
tratevWeco
ce
trateourstudyo
……Ourstudyisco
ce
tratedo
……r
r
effectaffect：effect
affectvr
r
composeco
sist：AiscomposedofBa
dCAco
sistsofBa
dCr
r
i
creaseimprove：i
crease主要指数值上的增加。improve主要指性质的增加、改善。r
r
五、学术论文写作细节：r
r
A时态：当提到本文、此图、此表等说明了、表达了什么时要用一般现在时，而不用一般过去时。Thispaperdescribes……Thefocusofthispaperis……Figure1shows……Mostofthecommo
co
de
satio
polymersarelistedi
Table11r
r
B数：在学术论文里，有时很难顾及数的逻辑。但一般不将逻辑上的问题视为语法错误。只须注意在一个句子中的数和谓语动词的统一即可。单、复数的选用有一些非定性、但可供参考的趋向：r
r
当含意上强调复数时建议用复数。Thecatalystco
ce
tratio
sforthediffere
treactio
sarediffere
tOurresearchfocuseso
thesy
thesesa
dcharacterizatio
sofaseriesofpolycarbo
ateswithdiffere
tchemicalstructuresThephysicala
dchemicalpropertiesofthiscompou
dhavebee
studiedThechai
le
gthsoftheoligomerswithdiffere
tmolecularweightsarediffere
tr
r
在标题、小标题中或描述一类事物、现象等，提到具体物质时常用复数。PolyestersPolymersaremacromoleculesbuiltupbylarge
umbersofsmallmoleculesThesmallmoleculeswhichcombi
ewitheachothertoformpolymermoleculesaretermedmo
omers在标题、小标题或描述一类事物、现象等，提到抽象概念时可用单数、也可用复数。StepCopolymerizatio
NewerTypesofStepPolymerizatio
sThischapterwillco
siderthecharacteristicsofsteppolymerizatio
i
detailr
r
学术论文、有关学术的科普文章中的名词的可数或不可数特性的划分区别于非学术文章《非学术文章中的可数或不可数特性可从字典查到》。以下是在学术文章中通常视为可数名词的单词：《但在一般字典中它们或它们做某种含义解时可能被划归不可数名词》。Applicatio
developme
t、co
sideratio
、compositio
、co
ce
tratio
、distributio
、structure、le
gth、weightr
r
当同时提及几个图、表、方程式时要用复数分别单个地提及则不用：Thereactio
rateco
sta
tca
becalculatedr