无烟艾灸盒设计

来源:https://www.red-dot.org/zh/project/ice-platform-moxibustion-box-70014这款艾灸盒解决了传统艾灸过程中存在的诸多不便,如烟雾弥漫以及安全隐患等。产品巧妙融合了传统中医的精髓,将艾灸材料与设备整合至一个集成单元中。它配备了蜂窝状活性炭过滤器以及NTC温度控制器,并且易于使用和维护。

Regulation of hydrogen evolution performance of titanium oxide-carbon composites at high current density with a Ti-O hybrid orbital

Rational design and controllable synthesis of practical electrodes with high sta bility and activity at high current density for a hydrogen evolution reaction(HER)are critical for renewable and sustainable energy conversion.However,high-performance TiO_(2)-based electrocatalysts for HER are quite limited,and the cat alytic active centers still remain elusive.Herein,a simple strategy is demonstrated for the synthesis of TiO_(2)-carbon composite(TiO_(2)/C)with high HER performance and stability.The remarkable HER performance of TiO_(2)/C can be ascribed to the doping of carbon atoms,which leads to stronger hybridization of Ti 3d and O 2p orbitals,thus substantially improving the electrocatalytic efficiency.This study elucidates that the hydrogen evolution activity of oxide electrocatalysts can be largely improved by regulating their electronic structures by doping carbon atoms and also provides an effective strategy for designing heterostructured electro catalysts with high catalytic activity and stability at high current density for HER.

Survey on person re-identification based on deep learning

Person re-identification(Re-ID)is a fundamental subject in the field of the computer vision technologies.The traditional methods of person Re-ID have difficulty in solving the problems of person illumination,occlusion and attitude change under complex background.Meanwhile,the introduction of deep learning opens a new way of person Re-ID research and becomes a hot spot in this field.This study reviews the traditional methods of person Re-ID,then the authors focus on the related papers about different person Re-ID frameworks on the basis of deep learning,and discusses their advantages and disadvantages.Finally,they propose the direction of further research,especially the prospect of person Re-ID methods based on deep learning.

Magnesium Demethylcantharidate induces apoptosis in hepatocellular carcinoma cells via ER stress

Cantharidin(CTD)is a bioactive ingredient isolated from Cantharis vesicatoria(blister beetles),which has potential therapeutic value as an anticancer agent.Magnesium Demethylcantharidate(MDC)is a recently developed derivative of Cantharidin(CTD),and previous studies have illustrated its excellent anticancer activity on HCC cells.However,the effect and mechanism of MDC remains unclear and need to be further studied.In particular,whether MDC can cause ER stress in HCC is still unknown.In this study,we demonstrated that endoplasmic reticulum stress(ERS)-related proteins were changed in SMMC-7721 and Bel-7402 cells after being exposed to MDC.Moreover,we found that MDC could significantly inhibit the growth of xenograft tumor in nude mice.In summary,we confirmed that MDC could induce ERS in HCC cells and thus induce apoptosis.

MOOC学习者在线学习行为和学习绩效评估模型研究

MOOC的自主性和灵活性特征,使得学习者具有多样化的学习行为模式,很多研究指出学习者在线学习行为模式与学习成果具有高度相关性。线上授课的教学方式因为其便捷等各种优点,广泛被学生群体所接受,虽然线上授课弥补了传统教学的不可重复性等缺陷,但是由于每个学生的在线学习行为不同,其教学效果也因人而异,本研究尝试从国内最早的MOOC平台"学堂在线"上获取学生的学习行为数据,建立学生在线学习行为与在线学习绩效评估模型,并进行抽样逐步回归,以了解学生在线学习行为对其学习成绩的影响。结果表明,学生某些在线学习行为,如作业完成比例、视频完成率等对其学习效果产生重要的正面影响,反之部分在线学习行为对学习效果会产生不良影响。因此,根据本研究结果对教师设计在线学习、对学生开展线上学习提供意见和建议,将有效提高在线学习的效率和效果。

Cerebellar involvement in Parkinson's disease: Pathophysiology and neuroimaging

Parkinson's disease(PD)is a neurodegenerative disease characterized by various motor and non-motor symptoms.The com-plexity of its symptoms suggests that PD is a heterogeneous neurological disorder Its pathological changes are not limited to the substantia nigra-striatal system,but gradually extending to other regions including the cerebellum.The cerebellum is connected to a wide range of central nervous system regions that form essential neural circuits affected by PD.In addition,altered dopaminergic activity andα-synuclein pathology are found in the cerebellum,further suggesting its role in the PD progression.Furthermore,an increasing evidence obtained from imaging studies has demonstrated that cerebellar structure,functional connectivity,and neural metabolism are altered in PD when compared to healthy controls,as well as among different PD subtypes.This review provides a comprehensive summary of the cerebellar pathophysiology and results from neuroimaging studies related to both motor and non-motor symptoms of PD,highlighting the potential significance of cerebellar assessment in PD diagnosis,differential diagnosis,and disease monitoring.

Dose-Response Meta-Analysis on Risk of Diabetes in Relation to Red and Processed Meat Consumption—Asian Populations,2006−2021

Summary What is already known about this topic?Red and processed meat consumption has been positively related to an increased risk of diabetes in Western populations.However,the results remain inconclusive within Asian populations.What is added by this report?This dose-response meta-analysis of prospective cohort studies conducted in East Asian populations reveals a positive relation between the consumption of processed meat and increased risk of diabetes.Furthermore,a Ushaped association was identified between the consumption of unprocessed red meat and the risk of diabetes.What are the implications for public health practice?This research presents substantive evidence advocating for the reduction of processed and unprocessed red meat consumption as a viable strategy for mitigating the risk of diabetes in East Asian populations.

Constructing a World in George Orwell’s Burmese Days

本文旨在对乔治·奥威尔的小说《缅甸岁月》进行后殖民主义解读。本文认为,《缅甸岁月》是一部由人物主导的小说,书中作者并未对英国殖民历史以及故事发生当时的社会环境进行阐述。这样安排的目的是尽量减少读者的偏见,使其在不了解历史背景的情况下,仅仅依据小说中人物的话语及行为形成自己对殖民体系以及对两种文化优劣势的看法。结局中缅甸地方官U Po Kyin最终棋高一步,智胜那些自认为更加优越的英国人,也印证了殖民体系自身的缺陷。