A5100594656- Natural Compound Pharmacology Studies
- Allelopathy and phytotoxic interactions
- Sport Psychology and Performance
- Sports and Physical Education Research
- Chemical synthesis and alkaloids
- Physical Education and Training Studies
- Phytochemistry and Biological Activities
- Sports, Gender, and Society
- Death Anxiety and Social Exclusion
- Psychosomatic Disorders and Their Treatments
- Sports Analytics and Performance
- Psychology of Moral and Emotional Judgment
- Children's Physical and Motor Development
- Medical Research and Treatments
Kunming Institute of Botany
2024
University of Chinese Academy of Sciences
2024
Zhejiang Normal University
2022
Shanghai International Studies University
2022
Four previously undescribed phloroglucinols, including three pairs of enantiomers, (±)-rhodotomentodimer F (1), G (2), and (±)-rhodotomentomonomer E (3), one phloroglucinol-sesquiterpene meroterpenoid, rhodotomentodione (4), together with reported congener, rhodomyrtosone A (5), were obtained from the leaves tropic Rhodomyrtus tomentosa. The structures absolute configurations new isolates elucidated by extensive spectroscopic analysis (HRESIMS NMR), ECD calculations, single-crystal X-ray...
The application of artificial intelligence technology in customer service systems is rapidly developing, involving various aspects such as natural language processing and machine learning, greatly improving efficiency user satisfaction. However, with the widespread these technologies, issues data protection, quality, humanization have gradually surfaced. This article aims to analyze current status field service, deeply study challenges it faces, propose a series improvement measures future...
高通量合成CaCO3方法为该材料的工业生产提供一定的理论基础，其目的是为了获得粒度分布均匀、比表面积高、球霞石相含量高的花蕊状CaCO3.利用高通量合成材料的优势，设计并构建了自动加注试剂、独立控温及控速的高通量自动合成装置，并进行了合成CaCO3的工作.以氯化钙、碳酸钠、咖啡酸为原料，在同一时间内完成不同实验条件下CaCO3的合成，采用X射线衍射(XRD)、扫描电镜(SEM)、激光粒度仪，对样品的结构、形貌、粒径分布进行表征和分析，并利用高通量合成实验方法进行CaCO3合成优化实验.结果表明：在水和乙醇分别作为溶剂时，合成球霞石相(晶形)CaCO3的含量不同.即咖啡酸浓度20 mg/mL(乙醇为溶剂，10 mL)、CaCl2与Na2CO3的物质的量之比为3:1时，合成粒度分布均匀、花蕊状、球霞石相(晶形)含量高达98.31%、比表面积为51.9 m2/g的CaCO3材料.与传统合成实验方法相比，高通量合成将会缩短研发及合成时间.
This study used the literature method to systematically review correlation studies on sports performance of school-aged children aged 7–12 years. Twenty related were summarized and sorted out. The results showed that most motion sensor measure intensity physical activity, few observation survey methods. Most measured basis changes in various fitness indicators reflect differences performance. Moderate- high-intensity comprehensive beneficial improving children. At present, positive effects...