Purpose -The purpose of this paper is to present a study about a successful, award-winning online video marketing project at an academic library in China, hoping to shed light on how to most effectively employ social media in libraries' marketing campaigns. Design/methodology/approach -The study examined the different aspects of the library's online video marketing project, including project preparation, video production, distribution and promotion, and evaluation of students' perception of this project via survey questionnaires. Factors that contributed to its success were also analyzed. Findings -Four factors that contributed to the success of the library's video marketing project were identified: base video content on the real campus life, reflecting what students experience in their everyday activities; convey content in a humorous, light-hearted, and refreshing style; employ social media to share content and engage the target audience; and partner with students. Practical implications -The paper helps interested librarians develop a more grounded understanding of how video sharing sites can be effectively and efficiently used as a marketing platform and how to successfully create their own video marketing campaigns. Originality/value -One significant weakness in library marketing literature is the lack of empirical studies analyzing the details of creating an online video marketing campaign. This paper helps fill that void, and contributes to the growth of the knowledge about library marketing using innovative technologies.
One-hundred and forty-one pressure-volume-temperature data points for 1,1,1,2,3,3-heptafluoropropane
(HFC-227ea) in the gaseous phase have been measured using Burnett/isochoric methods. Burnett
expansion measurements were made both at 363.15 K and at 318.15 K. On the basis of the pressure-density relationships established at 363.15 K and 318.15 K, data were collected along nine isochores for
temperatures from 283 to 377 K and pressures from 0.26 to 2.5 MPa. The maximum temperature
uncertainty and maximum pressure uncertainty in this work were estimated to be within ±10 mK and
±500 Pa, respectively. On the basis of the present data and results from the literature, the parameters
of a virial equation of state were determined to represent the gaseous thermodynamic properties of HFC-227ea. The purity of the sample used in this work is 99.9 mol %.
The paper reports new measurements of the viscosity of liquid
difluoromethane (HFC-32) over the
temperature range 233.15 K to 333.15 K and the viscosity of
pentafluoroethane (HFC-125) over the
temperature range 233.15 K to 328.15 K along the saturation line.
The viscosities were measured in a
calibrated capillary viscometer. A new method was developed to
operate the viscometer and to analyze
the measured data. The uncertainty of the results is estimated to
be no more than 3%. The results were
correlated as a function of temperature.
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