In this article, the 2-variable general polynomials are taken as base with Peters polynomials to introduce a family of 2-variable Peters mixed type polynomials.These polynomials are framed within the context of monomi...In this article, the 2-variable general polynomials are taken as base with Peters polynomials to introduce a family of 2-variable Peters mixed type polynomials.These polynomials are framed within the context of monomiality principle and their properties are established. Certain summation formulae for these polynomials are also derived. Examples of some members belonging to this family are considered and numbers related to some mixed special polynomials are also explored.展开更多
英国著名的Peter Gordon Essex-Lopresti教授是最早提倡跟骨骨折手术治疗及科学分型的骨科先驱之一,在其去世后1年跟骨骨折治疗里程碑式论文《The mechanism,reduction technique,and results in fractures of the os calcis》发表[1],...英国著名的Peter Gordon Essex-Lopresti教授是最早提倡跟骨骨折手术治疗及科学分型的骨科先驱之一,在其去世后1年跟骨骨折治疗里程碑式论文《The mechanism,reduction technique,and results in fractures of the os calcis》发表[1],文章通过对近220例跟骨骨折患者的受伤机制。展开更多
陆永平老师是国内微电机专业资深教授,《微电机》杂志编委。他在审查无刷直流电机稿件时,发现有文章的错误和内容与《微电机》2002年第5期的“无刷直流电机驱动控制的三次谐波检测法”一文雷同。之后,国内多所高等院校的师生相继撰写了...陆永平老师是国内微电机专业资深教授,《微电机》杂志编委。他在审查无刷直流电机稿件时,发现有文章的错误和内容与《微电机》2002年第5期的“无刷直流电机驱动控制的三次谐波检测法”一文雷同。之后,国内多所高等院校的师生相继撰写了类似的文章,并被规范为“三次谐波检测法”,在相关专业期刊上陆续发表。文章的错误都是抄自参考文献J.C.Moreira.Indirect Sensing for Rotor Flux Position of PM ACMotors operating over a wide Speed Range[J].IEEE Tran.Ind.App,1996,32(6):1391-1401.[牛津大学出版社1998年出版的Peter Vas教授所著《Sensorless,Vector and Direct Torque Control》一书中也有相同的错误]。作为国内微电机行业的主导刊物,有责任倡导严谨的学风,以科学的态度指正错误,繁荣科技。因此,本刊出于对读者负责,现将陆永平教授为此撰写的《对“三次谐波检测法”的错误的辩正》一文刊登,希望读者和作者共同关注此事。展开更多
[Objective] The aim was to discuss the histological characteristics of ovary development of Varicorhinus gerlachi.[Method] The annual variation of ovary and oocyte development of Varicorhinus gerlachi were observed an...[Objective] The aim was to discuss the histological characteristics of ovary development of Varicorhinus gerlachi.[Method] The annual variation of ovary and oocyte development of Varicorhinus gerlachi were observed and studied by means of histological method.[Result] Ovary development of Varicorhinus gerlachi was divided into 6 stages,and oocyte development had 6 phases,namely oocytes were in original differentiation state in phase Ⅰ,and yolk nucleus could be found obviously in phase Ⅱ.Vacuoles appeared in oocyte in phase Ⅲ,while oocytes differentiated obviously in phase Ⅳ,with the amalgamation of some yolk granules.Eggs formed and oocytes degenerated in phase V and Ⅵ.The development of ovary belonged to non-synchronous and multiple spawning type.In addition,Varicorhinus gerlachi began to spawn in April,and peak period was from May to July.[Conclusion] The study could provide technical parameters for the artificial propagation of Varicorhinus gerlachi.展开更多
基金UGC-BSR Reaserch Start-Up-Grant (Office Memo No. 30-90/2015(BSR)) awarded to the author by the University Grants Commission (UGC), Government of India, New Delhi
文摘In this article, the 2-variable general polynomials are taken as base with Peters polynomials to introduce a family of 2-variable Peters mixed type polynomials.These polynomials are framed within the context of monomiality principle and their properties are established. Certain summation formulae for these polynomials are also derived. Examples of some members belonging to this family are considered and numbers related to some mixed special polynomials are also explored.
文摘英国著名的Peter Gordon Essex-Lopresti教授是最早提倡跟骨骨折手术治疗及科学分型的骨科先驱之一,在其去世后1年跟骨骨折治疗里程碑式论文《The mechanism,reduction technique,and results in fractures of the os calcis》发表[1],文章通过对近220例跟骨骨折患者的受伤机制。
文摘陆永平老师是国内微电机专业资深教授,《微电机》杂志编委。他在审查无刷直流电机稿件时,发现有文章的错误和内容与《微电机》2002年第5期的“无刷直流电机驱动控制的三次谐波检测法”一文雷同。之后,国内多所高等院校的师生相继撰写了类似的文章,并被规范为“三次谐波检测法”,在相关专业期刊上陆续发表。文章的错误都是抄自参考文献J.C.Moreira.Indirect Sensing for Rotor Flux Position of PM ACMotors operating over a wide Speed Range[J].IEEE Tran.Ind.App,1996,32(6):1391-1401.[牛津大学出版社1998年出版的Peter Vas教授所著《Sensorless,Vector and Direct Torque Control》一书中也有相同的错误]。作为国内微电机行业的主导刊物,有责任倡导严谨的学风,以科学的态度指正错误,繁荣科技。因此,本刊出于对读者负责,现将陆永平教授为此撰写的《对“三次谐波检测法”的错误的辩正》一文刊登,希望读者和作者共同关注此事。
文摘[Objective] The aim was to discuss the histological characteristics of ovary development of Varicorhinus gerlachi.[Method] The annual variation of ovary and oocyte development of Varicorhinus gerlachi were observed and studied by means of histological method.[Result] Ovary development of Varicorhinus gerlachi was divided into 6 stages,and oocyte development had 6 phases,namely oocytes were in original differentiation state in phase Ⅰ,and yolk nucleus could be found obviously in phase Ⅱ.Vacuoles appeared in oocyte in phase Ⅲ,while oocytes differentiated obviously in phase Ⅳ,with the amalgamation of some yolk granules.Eggs formed and oocytes degenerated in phase V and Ⅵ.The development of ovary belonged to non-synchronous and multiple spawning type.In addition,Varicorhinus gerlachi began to spawn in April,and peak period was from May to July.[Conclusion] The study could provide technical parameters for the artificial propagation of Varicorhinus gerlachi.
