宗教旅游景区游客与香客旅游行为对比研究——以衡阳回雁峰景区为例

研究宗教旅游景区游客与香客的旅游行为有利于宗教旅游景区对其不同细分市场进行开发与管理。以衡阳回雁峰景区为例,采用深度访谈法和观察法收集数据,利用SPSS软件进行数据处理,分析了宗教旅游景区游客与香客的旅游行为在游览线路、游览景点、不同类型景点的游览时间、寺庙内的活动等方面存在的较大差异,并提出了相应的建议。     

Preparation of protein samples for gel electrophoresis by sequential extraction

Since preparation and solubilization of protein samples are crucial factors in proteome research, the authors established a sequential extraction technique to prepare protein samples from the body wall of the 5th instar larvae of silkworm,Bombyx mori. Two kinds of protein samples were obtained from the body wall using the method. Between the two types of samples only about 15% proteins were identical; the majority were different, indicating that more species of proteins could be obtained with the sequential extraction method; which will be useful for preparation of protein samples for proteome study.     

电视记者面对"意外"的即兴采访

即兴采访是记者在遭遇意外的情势下,针对已经发生变化的客观环境及时对采访报道进行调整和发挥,使采访沿着新的变化延续下去的一种采访行为。它是记者主动出击的行为。在现场观察中的瞬间发现、适时把握、现场发挥构成即兴采访的三步曲。过硬的专业素质、精心的准备和临战状态是即兴采访成功的基础和条件。     

改革开放以来高校校园文化的热点现象变迁

高校校园文化具有鲜明的时代特征,受社会政治经济变革和社会文化发展的影响,高校校园文化的热点也总是处在不断发展变化中。高校校园文化热点反映了某一时期高校校园文化的主流方向和大学生关注的焦点问题,折射出大学生的价值取向特点。改革开放30年来,高校校园文化热点异彩纷呈,此起彼伏。透过大学校园文化热点的不断涌动和变迁,可以清楚地看出大学生价值取向不断调适的轨迹,而大学生的价值取向调适也深刻地影响着高校校园文化的发展。     

Does variability within natural turfgrass sports fields influence ground-derived injuries?

Natural turfgrass sports fields exhibit within-field variations due to climatic conditions, field construction, field management, and foot traffic patterns from field usage. Variations within a field could influence the playing surface predictability and require athletes to make abrupt or frequent adjustments that lead to increased ground-derived injury occurrence. This study introduces a new methodology aimed at evaluating the potential relationship between within-field variations of turfgrass sports field properties and ground-derived athlete injuries. Collegiate Club Sport athletes self-reported ground-derived injuries over two years. Soil moisture, turfgrass quality, surface hardness, and turfgrass shear strength were quantified from their two home fields. Hot spot analysis identified significantly high (hot spots) and low (cold spots) values within the fields. Injury locations were compared to hot spot maps each month. Binomial proportion tests determined if there were differences between observed injury proportions and expected proportions. Twenty-three ground-derived injuries were reported overall. The observed injury proportions occurring in turfgrass quality cold spots [0.52 (95% CI 0.29–0.76)] and soil moisture hot spots [0.43 (95% CI 0.22–0.66)] was significantly higher than expected [0.20 (p?p?spots. These results suggest a potential relationship between within-field variations and ground-derived injuries, particularly in transition areas between non-significant and significant high and low values. Future larger-scale studies can incorporate the reported methodology to validate this relationship and implement strategies that reduce ground-derived injuries.     

考虑网络效应的共享汽车租赁网络扩展分析

为研究共享汽车租赁网络扩张特征和布局策略,将网络效应考虑在内,分别分析单个租赁网点在租赁网络扩张中的利润特征及不同网络结构下租赁网络的利润情况,最后给出共享汽车租赁网络的布局建议。研究发现,正网络外部性占主导时,租赁网点的边际利润随网络的扩展呈现出一种先递减再递增的趋势;当租赁网点受到负网络外部性主导时,其边际利润随网络扩展呈现出先增后减的趋势;网络布局受路径依赖效应的影响,先布设受正网络外部性影响较大的网点时,网络所获的累计利润将更高;最后给出了网络扩张中,各网点布局的条件。     

Characterizing and estimating rice brown spot disease severity using stepwise regression,principal component regression and partial least-square regression

Detecting plant health conditions plays a key role in farm pest management and crop protection. In this study, measurement of hyperspectral leaf reflectance in rice crop (Oryzasativa L.) was conducted on groups of healthy and infected leaves by the fungus Bipolaris oryzae (Helminthosporium oryzae Breda. de Hann) through the wavelength range from 350 to 2 500 nm. The percentage of leaf surface lesions was estimated and defined as the disease severity. Statistical methods like multiple stepwise regression, principal component analysis and partial least-square regression were utilized to calculate and estimate the disease severity of rice brown spot at the leaf level. Our results revealed that multiple stepwise linear regressions could efficiently estimate disease severity with three wavebands in seven steps. The root mean square errors (RMSEs) for training (n=210) and testing (n=53) dataset were 6.5% and 5.8%, respectively. Principal component analysis showed that the first principal component could explain approximately 80% of the variance of the original hyperspectral reflectance. The regression model with the first two principal components predicted a disease severity with RMSEs of 16.3% and 13.9% for the training and testing dataset, respec-tively. Partial least-square regression with seven extracted factors could most effectively predict disease severity compared with other statistical methods with RMSEs of 4.1% and 2.0% for the training and testing dataset, respectively. Our research demon-strates that it is feasible to estimate the disease severity of rice brown spot using hyperspectral reflectance data at the leaf level.     

基于CiteSpace Ⅴ的人事档案系统与高校档案数字化可视分析研究

以CNKI数据库中人事档案系统领域1129篇文章、高校档案数字化领域992篇文章为研究对象,尝试运用CiteSpace Ⅴ软件对两个研究领域的关键词、机构、作者等进行系统的可视化分析,发现两个领域的研究趋势高度重合,并发现各自研究热点及相互关联路径,作者及机构合作群规模小且合作程度不高是其共同特点。     

旅游景区的环境容量研究——以淇县古灵山风景区为例

以淇县古灵山风景区为研究对象,利用该景区旅游环境容量计算的指标体系、公式,得出该景区的日旅游环境容量为3 714人次,同时提出了景区在发展过程中应该注意的旅游环境容量方面的问题.     

基于微博营销的旅游景区形象推广分析

微博营销是一种新的网络营销方式,可以实现传播品牌信息、与消费者互动、客户服务、公关服务、电子商务等功能。近两年来,越来越多的旅游企业重视并尝试微博营销。了解微博媒介传播的特点及微博在景区营销中的功能,对分析景区微博营销存在的问题、提出景区利用微博进行形象推广的营销策略很有帮助。