简介:TheemergenceofB2Belectronicmarketshasgreatlychangedtherelativebargainingpowerofbuyersandsellers.Westudytheequilibriummarketstructureinabuyer’smarket.Wefindthatbuyer-controlledB2BmarketsandneutralB2Bmarketshavedifferentequilibriumstructures,andtheemergenceofB2Bmarketswillincreasesocialwelfare,butitseffectonbuyersandsellerswillbedifferent:B2Bmarketsincreasetheconsumersurplusoftheendmarket,buttheireffectsonbuyerandsellerprofitsaremoderatedbytherelativebargainingpowerofbuyersandsellers.TheprofitsofthesidewithmuchweakerbargainingpowerwilldecreaseduetotheintroductionofB2Bmarkets.
简介:Anewapproachtostudytheevolutioncomplexityofcellularautomataisproposedandexplainedthoroughlybyanexampleofelementarycellularautomatonofrule56.Usingthetoolsofdistinctexcludedblocks,computationalsearchandsymbolicdynamics,themathematicalstructureunderlyingthetimeseriesgeneratedfromtheelementarycellularautomatonofrule56isanalyzedanditscomplexityisdetermined,inwhichtheDycklanguageandCatalannumbersemergenaturally.
简介:TheMarcinkiewicz-Zygmundinequalitywithderivativeforanalgebraicpoly-nomialoforder≤N=(q+1)n-1isestablishedinaBαspace.Asacorollary,theMarcinkiewicz-Zygmundinequalitywithderivativeforanalgebraicpolynomialinapar-ticularOrliczspaceisobtained.
简介:摘要ILS仪表着陆系统是机场航班飞行过程中必不可少的组成部分,被国际民航组织确定为飞机标准进近以及着陆设备,在确保航班安全起降方面发挥着极其重要的作用。NM7000系列ILS因其稳定性较好,深受国内各机场青睐。四川省泸州云龙机场采用的是NM7000B导航设备。本文主要结合ILS仪表着陆系统运行实际,对ILS仪表着陆系统NM7000B监控电路运行实际,对常见故障进行分析,并给出维修措施,以供同行参考。
简介:摘 要:为准确把握部队岗位职能和士官职业技术教育人才培养目标,汽车电工电子课程以立德树人为根本,以职业能力培养为主线,以“金课”高阶性、创新性和挑战度为标准,从教学模式、教学方法、教学内容,考核方式等方面进行了合理优化,加强课堂教学的改革与创新,努力打造有效金课堂,全面提高学员学习效率和课堂教学质量。