the aim of this study was to investigate the effect of management dimensions of fan relationship on fan lifetime value in iran football premier league. the research method was developmental with regard to the aim and exploratory considering the nature of the study. the data were gathered through interviews, observation, review of the related literature and questionnaires. the statistical popula...

Background and purpose: Vibration caused by ventilation systems in buildings is one of the harmful physical factors that can cause harm to residents. Therefore, measuring and controlling vibration is important. Materials and Methods:  In the first step of the study, the vibration accelerometer was placed on the base of a fan where the vibrations were sent toward the duct wall. A vibration asse...

Background. This paper investigates the pillars of content strategy and fan engagement in social networks during 2018 PyeongChang Winter Olympics and Paralympics. Objectives. The purpose of this paper is to seek reasons behind the differences in fan engagement in social media channels of PyeongChang Winter Olympics and Paralympics. Methods. Facebook and YouTube channels are used to analyze en...

we find an explicit expression of the tutte polynomial of an $n$-fan. we also find a formula of the tutte polynomial of an $n$-wheel in terms of the tutte polynomial of $n$-fans. finally, we give an alternative expression of the tutte polynomial of an $n$-wheel and then prove the explicit formula for the tutte polynomial of an $n$-wheel.

The paper deals with 21 valid species of the genus Thagria from Guangxi Autonomous Region, China. Eight new species are described and illustrated: T. biprocessa Fan & Dai, sp. nov., T. decussata Fan & Dai, sp. nov., T. irregularis Fan & Dai, sp. nov., T. multispinosa Fan & Dai, sp. nov., T. paramultipars Fan & Li, sp. nov., T. triangula Fan & Li, sp. nov., T. trifasciata Fan & Li, sp. nov. and ...