To sum up, in the face of China’s huge older adults population and smart phone market, it is urgent to build a smart phone acceptance model suitable for Chinese older adults on the basis of rich theories, so as to explore the factors affecting the intention of Chinese older adults to us...
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生产要素( (factors of production) 相关知识点: 试题来源: 解析 答:生产要素指为进行生产和服务活动而投入各种经济资源。通常将生产要素分为两大类:中间生产要素(或者称之为中间产品)和原始生产要素。 原始生产要素的所有者是消费者,消费者提供要素的目的是为了实现效用最大化。在经济学中原始生产要素包括以下四种...
Figure 3. Carboniferous stratigraphic column and source-reservoir-cap assemblages of the Ounan depression, eastern Qaidam basin (Well QDD1) 下载: 全尺寸图片 幻灯片 2. 烃源岩特征 此次研究中统计分析的数据来源于欧南凹陷及周边地区柏树沟、旺尕秀、石灰沟等野外露头(23样次)和CY2、QDC1、QDD1...
The aim of this study was to investigate students' achievement in introductory statistics courses taking into account the relationships between cognitive and non-cognitive factors. It was hypothesised that achievement was related to background in mathematics (a cognitive variable), as well as to attitu...
The 'chink' call given by chaffinches to non-flying predators can be used as an index of the intensity of the response. The response to predators thus provides suitable material for the quantitative study of certain aspects of instinctive behaviour. Before quantitative treatment can be attempted,...
BACKGROUND: In subjects genetically susceptible to type 1 diabetes, exposure to environmental factors during the gestational period, the neonatal period, and the first years of life is thought to play an important role in triggering the immune process leading to beta cell destruction. AIMS: To inv...
"On-off" symptoms were found to have developed in 43 of 85 parkinsonian patients who had been treated with L-dopa for five years or more, the risk of such symptoms apparently being greater the younger the patient had been at the début of the disease and at the start of treatment...
Objective To explore the early failure of narrow-diameter implants (NDIs) and to provide a reference for clinical implant restoration. Methods From April 2017 to April 2020, data from a total of 725 patien
High levels of psychological distress are indicative of impaired mental health and may reflect common mental disorders, like depressive and anxiety disorders [1]. It is commonly measured with self-report rating scales like the General Health Questionnaire [2] or MHI-5, derived from the RAND-36 ...