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| 1 | 原位聚合抗磨损PA6/纳米SiO2复合材料制备及其性能研究显示文摘为提高聚酰胺6(PA6)的抗磨损性能,采用原位聚合法合成并制备了PA6/纳米SiO2复合材料,研究了该材料的抗磨损性能、耐热性能、力学性能和结晶性能。结果表明,原位聚合PA6/纳米SiO2复合材料具有良好的抗磨损特性,当纳米SiO2含量为1%(质量分数,下同)时,复合材料抗磨损性能最佳,该材料的热变形温度、拉伸强度、弹性模量和断裂伸长率均明显高于原料PA6;当纳米SiO2含量为3%时,复合材料热变形温度由原料PA6的64.6℃提高到130℃。采用原位聚合母料法制备的PA6/纳米SiO2复合材料同样具有理想的抗磨损性能,并可获得更好的力学性能,且可大幅降低材料制备成本。 | 孟繁雪 吴唯 O. Jacobs M. Karczewski | 2009 | 中国塑料2009，23，3： | 2 |
| 2 | Milliwatt terahertz harmonic generation from topological insulator metamaterials显示文摘Achieving effcient,high-power harmonic generation in the terahertz spectral domain has technological applications,for example,in sixth generation(6G)communication networks.Massless Dirac fermions possess extremely large terahertz nonlinear susceptibilities and harmonic conversion effciencies.However,the observed maximum generated harmonic power is limited,because of saturation effects at increasing incident powers,as shown recently for graphene.Here,we demonstrate room-temperature terahertz harmonic generation in a Bi_(2)Se_(3) topological insulator and topological-insulator-grating metamaterial structures with surface-selective terahertz field enhancement.We obtain a third-harmonic power approaching the miliwatt range for an incident power of 75 mW-an improvement by two orders of magnitude compared to a benchmarked graphene sample.We establish a framework in which this exceptional performance is the result of thermodynamic harmonic generation by the massless topological surface states,benefiting from ultrafast dissipation of electronic heat via surface-bulk Coulomb interactions.These results are an important step towards on-chip terahertz(opto)electronic applications. | Klaas-Jan Tielrooij Alessandro Principi David Saleta Reig Alexander Block Sebin Varghese Steffen Schreyeck Karl Brunner Grzegorz Karczewski Igor Ilyakov Oleksiy Ponomaryov Thales V.A.G.de Oliveira Min Chen Jan-Christoph Deinert Carmen Gomez Carbonell Sergio O.Valenzuela Laurens W.Molenkamp Tobias Kiessling Georgy V.Astakhov Sergey Kovalev | 2022 | Light(Science & Applications)2022，11，11： | 2 |
| 3 | The role f Foxp3+ regulatory T cells in kidney transplantation 显示文摘 | Karczewski M Karczewski J Kostrzewa A | 2009 | Transplant Proc2009，41，5： | 1 |
| 4 | Regulation of human epithelial tight junction proteins by Lactobacillus plantarum in vivo and protective effects on the epithelial barrier显示文摘 | Karczewski J Troost F J Konings I | 2010 | American Journal of PhysiologyGastrointestinal and Liver Physiology2010，298，6： | 1 |
| 5 | The role of FOXP3+ regulatory T cells in kidney transplantation显示文摘 | KARCZEWSKI M KARCZEWSKI J KOSTRZEWA A | | 0，，05： | 1 |
| 6 | The role of Foxp3 regulatory T cells in kidney transplantation 显示文摘 | Karczewski M Karczewski J Kostrzewa A | 2009 | Transplant Proc2009，41，5： | 1 |
| 7 | The effciency of an autotransfusion system for tumor cell removal from blood salvaged during cancer surgery显示文摘 | Karczewski DM Lema M J Glaves D | 1994 | Anesth Analg1994，78，6： | 1 |
| 8 | Evidence for Calcineurin-mediated Regulation of SERCA2a Activity in Human Myocardium显示文摘 | MUNCH G BOLCK B KARCZEWSKI P | 2002 | J Mol Cell Cardio2002，34，： | 1 |
| 9 | Urologic de novo malignancies after kidney transplantation: a single center experience显示文摘 | Karczewski M Czapiewski W Karczewski J | 2012 | Transplant Proc2012，44，5： | 1 |
| 10 | Pretransplant urine eytokine pattern acute kidney re- jeetion显示文摘 | Karczewski J Karezewski M Wiktorowicz K | 2010 | Cytokine2010，51，1： | 1 |
| 11 | The role of Foxp3' regulatory T cells in kidney transplantation 显示文摘 | Karczewski M Karczewski J Kostrzewa A | 2009 | Transplant Proc2009，41，5： | 1 |
| 12 | The efficiency of an autotransfusion system for tumor cell removal from blood salvaged during cancer surgery显示文摘 | Karczewski DM Lema MJ Glaves D | 1994 | Anesth Analg1994，78，6： | 1 |
| 13 | Cylindrospermopsindecreases the oxidative burst capacity of human neutrophils显示文摘 | Poniedzia?ek B Rzymski P Karczewski J | 2014 | Toxicon2014，87，11： | 1 |
| 14 | Distinct cytokine patterns in different states of kidney allograft function 显示文摘 | Karczewski M Karczewski J Poniedzialek B | 2009 | Transplant Proc2009，41，10： | 1 |
| 15 | Distinct cytokine patterns in different states of kidney allograft function 显示文摘 | Karczewski M Karezewski J Poniedzialek B | 2009 | Transplant Prec2009，41，10： | 1 |
| 16 | The role of innate signaling in the homeostasis of tolerance and immunity in the intestine显示文摘 | WELLS J M LOONEN L M KARCZEWSKI J M | 2010 | Int J Med Microbiol2010，300，1： | 1 |
| 17 | Human immunodeficiency virus type 1 Vpu protein induces degradation of CD4 in vitro:the cytoplasmic domain of CD4 contributes to Vpu sensitivity显示文摘 | Chen MY Maldarelli F Karczewski MK | 1993 | J Virol1993，67，7： | 1 |
| 18 | Regulation of the transient outward K + current by Ca2+/calmodulin--dependent pro- tein kinases II in human atrial myocytes显示文摘 | Tessier S Karczewski P Krause EG | 1999 | Circ Res1999，85，： | 1 |
| 19 | Cytometric analysis of TH1/TH2 cytokines in the urine of patients undergoing kidney transplantation显示文摘 | Karczewski M Karczewski J Poniedzialek B | 2009 | Ann Transplant2009，14，3： | 1 |
| 20 | Kinetics of reactions in FeA1 synthesis studied by the DTA technique and JMA model 显示文摘 | Jozwiak S Karczewski K Bojar Z | 2010 | Intermetallics2010，18，： | 1 |
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