Spatiotemporal trends and factors influencing online attention for China’s tea industry

Shu, Rentian; Xiao, Jingyi; Su, Zhucheng

doi:10.3389/fenvs.2023.1206705

Cited by 3 publications

(1 citation statement)

References 55 publications

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“…China is one of the six major tea producing countries in the world, accounting for approximately 42% of the global production. According to research reports from some relevant institutions, the production of tea reached 2.97 million tons in 2020 (Jiang et al, 2023;Shu et al, 2023;Zhang et al, 2023). However, freshly harvested tea has high moisture content and needs to be dried and dehydrated through the drying process to reduce the moisture content below 5%.…”

Section: Introductionmentioning

confidence: 99%

Analysis of drying characteristic, effective moisture diffusivity and energy, exergy and environment performance indicators during thin layer drying of tea in a convective-hot air dryer

Zeng,

Han,

Wang

et al. 2024

Front. Sustain. Food Syst.

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The objective of this study is mainly to analyze the drying kinetic parameters, effective diffusivity, and thermodynamic performance indicators (energy, exergy, heat, and mass transfer coefficients) of tea under different drying conditions of different drying temperatures (DT) and thin layer thicknesses (TT). Experimental drying was conducted at drying temperatures of 70°C, 80°C, and 90°C with thin layer thicknesses of 10 mm, 15 mm, and 20 mm. The results show that a higher drying temperature and a lower thin layer thickness can increase evaporation moisture content and shorten drying time. By evaluating and comparing the fitting of five drying models adopted by the coefficient of determination (R2) and chi-square (χ2), it can be found that the logarithmic model is the best to describe drying behavior. The effective moisture diffusivity shows a positively correlated trend with the increase in DT and TT, with the value of activation energy ranging from 14.030 to 22.344 kJ mol−1 K−1. The specific moisture evaporation rate (SMER), energy efficiency, exergy efficiency, and sustainability index (SI) descend as the TT increases at all DT; the specific energy consumption (SEC) and improvement potential (IP) rate perform in an opposite manner, but the TT remains unchange. The conclusion drawn from the thermodynamic parameters is opposite to the aforementioned. As the TT increases, the heat and mass transfer coefficients show a significant decrease trend. In addition, the heat and mass transfer coefficients are given as functions of DT and TT, and further knowledge shows that the mass transfer coefficient is positively correlated with DT but the heat transfer coefficient is negatively correlated. In conclusion, this article provides new insights into the effects of drying characteristics, energy consumption characteristics and heat and mass transfer characteristics in the process of tea drying under different drying conditions, and provides certain theoretical reference bases for promoting the optimization of industrialized tea drying production machinery design and drying process optimization.

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Section: Introductionmentioning

confidence: 99%

Analysis of drying characteristic, effective moisture diffusivity and energy, exergy and environment performance indicators during thin layer drying of tea in a convective-hot air dryer

Zeng,

Han,

Wang

et al. 2024

Front. Sustain. Food Syst.

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Green tea business in Georgia: Case of Guria region

Tsetskhladze,

Sulaberidze

2024

BIO Web Conf.

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The paper focuses on the importance of producing tea as an environmentally friendly product. Georgian tea producers have a great opportunity facilitated by the existing natural environment, geographical location, natural characteristics of local tea, and the development of tea tourism in Georgia. Recently, tea tours have become attractive in Georgia. A tea tour is one of the world's famous tourist products, closely related to the cultivation, production and consumption of tea culture. The paper describes the problems in the tea production sector: tea production in the region is decreasing, the number of working tea plantations is decreasing, and many abandoned and neglected tea plantations. The study presents ways to solve these problems by improving existing varieties, organizing nurseries and demonstration plantations, and, at the legislative level, regulating the use of herbicides and pesticides, which will increase the nutritional value of tea and give it the appearance of an eco-product.In addition, manufacturers must possess the latest technologies to obtain quality products. The paper examines the modern trends in tea-making development in Georgia and the world, settles prospects of its development in the region of Guria, and offers the possibility of providing the tourist product “Tea Road” to customers. All this will help replace imported tea with local tea and get visitors interested in the “Tea Road” activities.

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Public network attention to hiking in China and its influencing factors

Zhang,

Sun,

Lin

et al. 2024

PLoS ONE

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In the process of hikers’ choosing a destination, searching for information is one of the important elements, playing a decisive role in decision-making. Based on the Baidu Index for “hiking,” this paper analyzes the spatial and temporal characteristics of and factors that influenced network attention to hiking in China from 2016 to 2021. The study found that (1) Network attention to hiking in China was generally relatively stable across the period studied, with highly uneven distribution between different months. The search volume was higher on weekends, and mobile searches increased year by year, far exceeding computer searches. (2) Different regions in China experienced different levels of network attention, with the highest levels in the east, followed by the center, and the lowest in the west. Except for East China, network attention to hiking was highly unevenly distributed within each region. (3) The COVID-19 pandemic increased the geographical concentration index and coefficient of variation but reduced the primacy index. A region’s level of economic development, degree of network development, population size, and population age structure are proposed as factors that affect network attention to hiking.

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Spatiotemporal trends and factors influencing online attention for China’s tea industry

Cited by 3 publications

References 55 publications

Analysis of drying characteristic, effective moisture diffusivity and energy, exergy and environment performance indicators during thin layer drying of tea in a convective-hot air dryer

Analysis of drying characteristic, effective moisture diffusivity and energy, exergy and environment performance indicators during thin layer drying of tea in a convective-hot air dryer

Green tea business in Georgia: Case of Guria region

Public network attention to hiking in China and its influencing factors

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