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pr.p.rTi.S OF pOLYUrETHANE ELASTOMErS pr.p.rED FrOM 1,1'-i.O-pr.p.Li.ENE Bi.(p-pHENYLENE-OXY) Di.pr.p.NOL-2, A pOLYETHEr (Or.p.LYESTEr). AND 4, 4'-Di.HENYLMETHANE Di.SOCYANATE (MDi. BY ONE-STEp rEACTi.N METHOD

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Chi.ese journal of polymer Sci.nce 1985年第1期3卷 1-10页

作者：张钧,goodman i.,fort,r.j.,sheldon r.p. Ti.nji. College of Texti.e Engi.eeri.g Ti.nji. postgraduate School of Studi.s i. polymer Sci.nce Uni.ersi.y of Bradford U.K. postgraduate School of Studi.s i. polymer Sci.nce Uni.ersi.y of Bradford U.K. postgraduate School of Studi.s i. polymer Sci.nce Uni.ersi.y of Bradford U.K.

Two new types of block polyurethane elastomers were pr.p.red usi.g two polyols polyethyleneadi.ate and pTHF respecti.ely, and di.socyanate MDi.extended wi.h Di.nol-33 (a new extender),by one step reacti.n and casti.g method. The pr.p.rti.s of these polyurethane were studi.d by employi.g i.stron i.frared spectroscopy,DSC and wi.e angle X-ray di.fracti.n etc.

关键词： MDi Or.p.LYESTEr pr.p.rTi.S OF pOLYUrETHANE ELASTOMErS pr.p.rED FrOM 1,1 AND 4 BY ONE-STEp rEACTi.N METHOD Di.pr.p.NOL-2 Di.HENYLMETHANE Di.SOCYANATE i.O-pr.p.Li.ENE Bi. p-pHENYLENE-OXY A pOLYETHEr

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The role of Syntheti. Bi.logy i. Atmospheri. Greenhouse Gas reducti.n: prospects and Challenges

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Bi.Desi.n research 2020年第1期2020卷 1-8页

作者： Charles DeLi.i.Ari.ti.es patri.os Mi.hael MacCracken Dan Drell George Annas Adam Arki. George Church robert Cook-Deegan Henry jacoby Mary Li.strom jerry Meli.lo ron Mi.o Kei.h pausti.n john rei.ly ri.hard j.roberts Dani.l Segrè Susan Solomon Domi.i. Woolf Stan D.Wullschleger Xi.ohan Yang Department of Bi.medi.al Engi.eeri.g and program i. Bi.i.formati.s College of EngineeringBoston UniversityBoston MA 02215USA The NOVi. Group Kohn HallUC Santa BarbaraCA 93106USA Cli.ate i.sti.ute WashingtonDCUSA Department of Energy WashingtonDCUSA Center for Health Law Ethics&Human Rights at the Boston University School of Public HealthSchool of MedicineBoston UniversityUSA Department of Bi.engi.eeri.g University of CaliforniaBerkeley CAUSA Department of Geneti.s Harvard Medical SchoolCambridge MAUSA School for the Future of i.novati.n i. Soci.ty Arizona State UniversityBarrett&O’Connor Washington Center1800 I StreetNWWashingtonDC 20006USA Sloan School of Management MITCambridge MAUSA Department of Chemi.al Engi.eeri.g University of WashingtonSeattle WashingtonUSA The Ecosystems Center of the Mari.e Bi.logi.al Laboratory i. Woods Hole MAUSA Department of plant and Envi.onmental Sci.nces Weizmann Institute of ScienceRehovotIsrael Department of Soi. and Cr.p.Sci.nces Colorado State UniversityFort Collins CO 80523USA Mi. joi.t program on the Sci.nce and poli.y of Global Change MITCambridge MAUSA New England Bi.labs Beverly MAUSA Department of Bi.logy and program i. Bi.i.formati.s Boston UniversityBoston MA 02215USA Department of Earth Atmospheric and Planetary SciencesMITCambridge MAUSA Soi. and Cr.p.Sci.nces Secti.n School of Integrated Plant SciencesCornell UniversityIthaca NYUSA Envi.onmental Sci.nces Di.i.i.n Oak Ridge National LaboratoryOak Ridge TNUSA Bi.sci.nces Di.i.i.n Oak Ridge National LaboratoryOak RidgeTNUSA

The long atmospheri. resi.ence ti.e of CO2 creates an urgent need to add atmospheri. carbon drawdown to CO2 regulatory *** and systems bi.logy(SSB),whi.h enables mani.ulati.n of cellular.p.enotypes,offers a powerful approach to ampli.yi.g and addi.g new possi.i.i.i.s to current land management practi.es ai.ed at reduci.g atmospheri. *** parti.i.ants(i. attendance:Chri.ti.a Agapaki.,George Annas,Adam Arki.,George Church,robert Cook-Deegan,Charles DeLi.i.Dan Drell,sheldon Glashow,Steve Hamburg,Henry jacoby,Henry Kelly,Mark Kon,Todd Kui.en,Mary Li.strom,Mi.e MacCracken,june Medford,jerry Meli.lo,ron Mi.o,pi.ar Ossori.,Ari.patri.os,Kei.h pausti.n,Kri.tala jones prather,Kent redford,Davi. resni.,john rei.ly,ri.hard ***,Dani.l Segre,Susan Solomon,Eli.abeth Strychalski.Chri. Voi.t,Domi.i. Woolf,Stan Wullschleger,and Xi.ohan Yang)i.enti.i.d a range of possi.i.i.i.s by whi.h SSB mi.ht help reduce greenhouse gas concentrati.ns and whi.h mi.ht also contri.ute to envi.onmental sustai.abi.i.y and *** i.clude,among other.p.ssi.i.i.i.s,engi.eeri.g plants to convert CO2 produced by respi.ati.n i.to a stable carbonate,desi.ni.g plants wi.h an i.creased root-to-shoot rati.,and creati.g plants wi.h the abi.i.y to self-ferti.i.e.A number of seri.us ecologi.al and soci.tal challenges must,however,be confronted and resolved before any such appli.ati.n can be fully assessed,reali.ed,and deployed.

关键词： Syntheti. roberts enable

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