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21.
Abachi S Abbott B Abolins M Acharya BS Adam I Adams DL Adams M Ahn S Aihara H Alitti J Álvarez G Alves GA Amidi E Amos N Anderson EW Aronson SH Astur R Avery RE Baarmand MM Baden A Balamurali V Balderston J Baldin B Banerjee S Bantly J Bartlett JF Bazizi K Bendich J Beri SB Bertram I Bezzubov VA Bhat PC Bhatnagar V Bhattacharjee M Bischoff A Biswas N Blazey G Blessing S Bloom P Boehnlein A Bojko NI Borcherding F Borders J Boswell C Brandt A Brock R Bross A Buchholz D Burtovoi VS Butler JM 《Physical review letters》1996,77(4):595-600
22.
Abachi S Abbott B Abolins M Acharya BS Adam I Adams DL Adams M Ahn S Aihara H Alitti J Álvarez G Alves GA Amidi E Amos N Anderson EW Aronson SH Astur R Avery RE Baarmand MM Baden A Balamurali V Balderston J Baldin B Banerjee S Bantly J Bartlett JF Bazizi K Bendich J Beri SB Bertram I Bezzubov VA Bhat PC Bhatnagar V Bhattacharjee M Bischoff A Biswas N Blazey G Blessing S Bloom P Boehnlein A Bojko NI Borcherding F Borders J Boswell C Brandt A Brock R Bross A Buchholz D Burtovoi VS Butler JM 《Physical review letters》1996,77(25):5011-5015
23.
Abachi S Abbott B Abolins M Acharya BS Adam I Adams DL Adams M Ahn S Aihara H Alitti J Álvarez G Alves GA Amidi E Amos N Anderson EW Aronson SH Astur R Avery RE Baarmand MM Baden A Balamurali V Balderston J Baldin B Banerjee S Bantly J Bartlett JF Bazizi K Bendich J Beri SB Bertram I Bezzubov VA Bhat PC Bhatnagar V Bhattacharjee M Bischoff A Biswas N Blazey G Blessing S Bloom P Boehnlein A Bojko NI Borcherding F Borders J Boswell C Brandt A Brock R Bross A Buchholz D Burtovoi VS Butler JM 《Physical review letters》1996,77(16):3303-3308
24.
Abachi S Abbott B Abolins M Acharya BS Adam I Adams DL Adams M Ahn S Aihara H Alitti J Álvarez G Alves GA Amidi E Amos N Anderson EW Aronson SH Astur R Avery RE Baden A Balamurali V Balderston J Baldin B Bantly J Bartlett JF Bazizi K Bendich J Beri SB Bertram I Bezzubov VA Bhat PC Bhatnagar V Bhattacharjee M Bischoff A Biswas N Blazey G Blessing S Bloom P Boehnlein A Bojko NI Borcherding F Borders J Boswell C Brandt A Brock R Bross A Buchholz D Burtovoi VS Butler JM Carvalho W Casey D 《Physical review letters》1996,76(18):3271-3276
25.
Alverson G Baker WF Ballocchi G Benson R Berg D Blusk S Bromberg C Brown D Carey D Chand T Chandlee C Choudhary BC Chung WH de Barbaro L DeSoi W Dlugosz W Dunlea J Easo S Engels E Faissler W Fanourakis G Ferbel T Garelick D Ginther G Glass G Glaubman M Gutierrez P Hartman K Huston J Johnstone C Kapoor V Kourbanis L Lanaro A Lirakis C Lobkowicz F Lukens P Mani S Maul A Mansour J Miller R Nelson CA Oh BY Orris D Pothier E Prebys E Rajaram BM Roser R Ruddick K Shepard P Shivpuri RK Sinanidis A 《Physical review D: Particles and fields》1993,48(1):5-28
26.
27.
Thermal behaviour of blends based on N,N'-bis(4-itaconimidophenyl) ether (IE) and 4,4'-bis(4-allyl-2-methoxyphenoxy) benzophenone
(R1) or 4,4'-bis(2-allylphenoxy) benzophenone (R2) are described in this paper. The reactive diluent content was varied from 5-50% (mass/mass) in these blends. A decrease
in the melting point and exothermic peak temperature was observed with increasing mass percent of reactive diluent. Thermal
stability of blends was affected at high mass percentage of reactive diluents.
This revised version was published online in August 2006 with corrections to the Cover Date. 相似文献
28.
Choudhary V. Varma H. S. Varma I. K. 《Journal of Thermal Analysis and Calorimetry》1987,32(2):579-593
The effects of EPDM rubber on the crystallization behaviour of isotactic polypropylene (iPP) in the ternary iPP/HDPE/EPDM blends were studied by means of DSC and X-ray diffraction. Analysis of the crystallization exotherm peaks in terms of crystallization nucleation and growth rates and crystallinity revealed variations in the morphology of the iPP component in the blends as a function of the EPDM content. The DSC and X-ray diffraction results showed that the overall crystallinity decreased as the weight percentage of EPDM was increased in the iPP/HDPE blends.The morphology of these blends was studied by scanning electron microscopy, which revealed a random distribution of EPDM throughout the iPP matrix. The size and number of these rubber particles increased with increase of the EPDM weight percentage in the ternary iPP/HDPE/EPDM blends. The probable existence of composite inclusions of EPDM-HDPE in an iPP matrix is suggested.
Zusammenfassung Die Effekte von EPDM-Kautschuk auf das Kristallisationsverhalten von isotaktischem Polypropylen (iPP) in den ternären Gemischen iPP/HDPE/EPDM wurden mittels DSC und Röntgendiffraktometrie untersucht. Die Analyse der exothermen Kristallisationspeaks mit Hinblick auf die Kristallisationskeimbildung und die Geschwindigkeit des Kristallwachstums und die Kristallinität deuten auf morphologische Varianten der iPP-Komponente in den Gemischen in Abhängigkeit vom EPDM-Gehalt hin. Die durch DSC und Röntgendiffraktometrie erhaltenen Ergebnisse zeigen, daß die Kristallinität mit steigendem Gehalt an EPDM in den iPP/HDPE-Gemischen abnimmt. Die Morphologie dieser Gemische wurde durch Scanningelektronenmikroskopie untersucht. Es wurde eine random-Verteilung des EPDM in der iPP-Matrix festgestellt. Größe und Zahl dieser Kautschukpartikel nehmen mit zunehmendem EPDM-Gewichtsanteil in den ternären iPP/HDPE/EPDM-Gemischen zu. Auf die wahrscheinliche Existenz von EPDM/HDPE-Einschlüssen in einer iPP-Matrix wird hingewiesen.
(-) - -. , , , . , --. , . ---. - - .相似文献
29.
Navjeet Kaur Neha Ahlawat Pranshu Bhardwaj Yamini Verma Pooja Grewal Nirmala Kumari Jangid 《合成通讯》2020,50(6):753-795
AbstractOne of the highly emerging and an important aspect of organic chemistry is the metal catalyzed synthesis of heterocycles. The methods used earlier for the synthesis of heterocycles were significant in the organic synthesis and developing cost-effective, improved and facial methods were beneficial to construct the complex architectures. For the both stereoselective and regioselective synthesis of six-membered nitrogen containing heterocycles, cyclic reactions that are Ag-mediated have known to be very efficient. The present review covers the applications of Ag in the formation of six-membered nitrogen containing heterocycles. 相似文献
30.
Jayasinghe UL Kumarihamya BM Nadeemb M Choudhary MI Atta-Ur-Rahmanb Weerasooriya A 《Natural product letters》2001,15(3):151-155
Chemical investigation of the non-quaternary alkaloidal fraction of the aerial parts of Sarcococca zeylanica of the family Buxaceae furnished a steroidal alkaloid iso-N-formyl-5-en-chonemorphine, which has not been previously reported as a natural product. The structure of this alkaloid was established on the basis of spectroscopic evidence. 相似文献