482 research outputs found
sj-docx-1-nms-10.1177_14614448221077977 – Supplemental material for #CancelCulture: Examining definitions and motivations
No full textSupplemental material, sj-docx-1-nms-10.1177_14614448221077977 for #CancelCulture: Examining definitions and motivations by Edson C Tandoc, Beverly Tan Hui Ru, Gabrielle Lee Huei, Ng Min Qi Charlyn, Rachel Angeline Chua and Zhang Hao Goh in New Media & Society</p
Xue yi zhi sheng: Song ru Yan Hui lun shu zhong "xue" de zhuan xiang
No full textM.Phil.As a unique group in Chinese society, educated elites shi士） is a significant key to the understanding of traditional China. The identity of educated elites witnessed several transitions throughout the history. From Tang to Song, the identification of educated elites turned from aristocratic origin and political achievement to the correct practice of learning, which enabled educated elites to acknowledge the value in themselves. Meanwhile, the core idea of learning turned from acquiring knowledge to the moral integral of oneself in Song. These two process demonstrated the turning inward in the identity of educated elites, which caused the separation of the value of learning and political engagement. Yan Hui 顏回 , the best disciple of Confucius, was considered as the model of learning in Song. With the interpretation of Yan Hui, educated elites in Song actually expressed their understanding of how people could learn to be the sage. Since Yan Hui had never engaged in political affairs or written anything, the attention he obtained in Song can demonstrate the turning inward in learning. By looking into the Song interpretation of Yan Hui, this thesis studies the transition of different understandings of learning and the identity of educated elites.作為中國社會中最為獨特的群體，士人對於我們了解一個時代的文化特質具有重要意義。士人的身份定義在歷史上幾經變遷，唐宋之際，士人價值觀念與身份認同從政治成就與門第出身轉向了「學」，這一轉向使士人可以在自身尋求價值的滿足。而「學」的目標與內涵，在宋代同樣發生了向更為關心個人內在完滿的轉向。這兩個層面的「內向化」進程，使思想與政治在士人的世界中逐漸割裂。顏回作為孔門高弟，在宋代被視為僅次於孔子的聖賢，也是學以致聖的典範。宋代士人通過對顏回的闡釋，表達對「學」的認識，而並無任何事功與著作的顏回，實際上成為「學」的內向 化的代表。本文試圖通過宋儒對顏回的論述，分析其對「學」的理解，展現「學」與士人價值認同在兩宋的內向化進程。譚晓君."2020年8月".Thesis M.Phil. Chinese University of Hong Kong 2020.Includes bibliographical references (leaves 89-95).Abstract also in English.Title from PDF title page (viewed on March 8, 2022).Tan Xiaojun
China's New Social Security System in Making: Problems and Prospects
No full textChina’s welfare regime has been historically characterized by its structural
arrangement, distinguishing itself from that of many other countries. The major difference
lies in the efforts made by the Chinese government to build up a social safety-net
to be compatible not merely with societal needs but more critically with its unique
political structure to ensure its legitimacy and stability are unchallenged. We argue that
while ensuring political stability continues to remain as a policy priority, China’s current
welfare restructuring is being confronted by freed-up market forces that make it
more difficult to acheive a delicate balance between where the needs are and how
resources are allocated
Growth Mechanism of Graphene on Ru(0001) and O-2 Adsorption on the Graphene/Ru(0001) Surface
No full textThe growth mechanism of monolayer (ML) graphene on Ru(0001) via pyrolysis of C2H4 was studied by scanning tunneling microscopy (STM), high-resolution electron energy loss spectroscopy (HREELS), and ultraviolet photoelectron spectroscopy (UPS). On the basis of the mechanistic understanding, graphene overlayers ranging from nanographene clusters to graphene film with 1 ML coverage were prepared in a well-controlled way. O-2 adsorption on the graphene/Ru(0001) surface was investigated by STM, UPS, and X-ray photoelectron spectroscopy (XPS). It is revealed that the Ru(0001) surface fully covered by graphene becomes passivated to O-2 adsorption at room temperature and only activated again at elevated temperatures (>500 K). The adsorbed oxygen intercalates between the topmost graphene overlayer and the Ru(0001) substrate surface. These intercalated oxygen atoms decouple the graphene layer from the Ru(0001) substrate, forming quasi-freestanding monolayer graphene atomic crystals floating on the O-Ru(0001) surface
Utilisation of gold nanoparticles on amine-functionalised UiO-66 (NH2-UiO-66) nanocrystals for selective tandem catalytic reactions
No full textColloidal deposition of gold nanoparticles (Au NPs) onto NH2-UiO-66 nanocrystals has been demonstrated with the resulting hybrid catalyst proving robust and versatile for one-pot, heterogeneous conversions involving the selective oxidation of primary alcohols in tandem with Knoevenagel condensation reactions. Within these systems, structure-property correlations have been established to confirm that the active sites for the oxidation and condensation reactions are intrinsically correlated to the Au NPs and pendant amine groups respectively
Tailoring the Growth of Graphene on Ru(0001) via Engineering of the Substrate Surface
No full textIn situ low-energy electron microscopy (LEEM) studies in the epitaxial growth of graphene on Ru(0001) show that the graphene growth can be tailored via surface treatments of the substrate. Downhill growth of graphene was observed over the clean Ru(0001) surface with well-defined steps, forming sector-shaped graphene sheets. When the substrate surface was treated by Ar+ sputtering to produce subsurface Ar gas bubbles, round-shape graphene sheets were obtained by growing in both uphill and downhill directions. Correspondingly, anisotropic intercalation of oxygen occurs at the graphene/normal Ru(0001) interface, whereas isotropic intercalation of oxygen occurs at the graphene/Ar-sputtered Ru(0001) interface. The subsurface gas bubbles affect C-Ru interaction, which is attributed to the observed different behaviors of the graphene growth and oxygen intercalation
Application of photoplethysmography signals for healthcare systems: an in-depth review
No full textBackground and objectives
Photoplethysmography (PPG) is a device that measures the amount of light absorbed by the blood vessel, blood, and tissues, which can, in turn, translate into various measurements such as the variation in blood flow volume, heart rate variability, blood pressure, etc. Hence, PPG signals can produce a wide variety of biological information that can be useful for the detection and diagnosis of various health problems. In this review, we are interested in the possible health disorders that can be detected using PPG signals.
Methods
We applied PRISMA guidelines to systematically search various journal databases and identified 43 PPG studies that fit the criteria of this review.
Results
Twenty-five health issues were identified from these studies that were classified into six categories: cardiac, blood pressure, sleep health, mental health, diabetes, and miscellaneous. Various routes were employed in these PPG studies to perform the diagnosis: machine learning, deep learning, and statistical routes. The studies were reviewed and summarized.
Conclusions
We identified limitations such as poor standardization of sampling frequencies and lack of publicly available PPG databases. We urge that future work should consider creating more publicly available databases so that a wide spectrum of health problems can be covered. We also want to promote the use of PPG signals as a potential precision medicine tool in both ambulatory and hospital settings
Fabrication of metal nanoclusters on graphene grown on Ru(0001)
No full textMonolayer graphene was epitaxially grown on Ru(0001) through exposure of the Ru(0001) to ethylene at room temperature followed by annealing in ultrahigh vacuum at elevated temperatures. The resulting graphene structures were studied by scanning tunneling microscopy (STM), X-ray photoelectron spectroscopy (XPS), and ultraviolet photoelectron spectroscopy (UPS). The graphene/Ru(0001) surface was used as a periodic template for growth of metal nanoclusters. Highly dispersed Pt clusters with well controlled size and spatial distribution were fabricated on the surface
Geochronology and geochemistry of Early Mesoproterozoic meta-diabase sills from Quruqtagh in the northeastern Tarim Craton: implications for breakup of the Columbia supercontinent
No full textAbstract not availableChang-Zhi Wu, M. Santosh, Yan-Jing Chen, Iain M. Samson, Ru-Xiong Lei, Lian-Hui Dong, Xun Qu, Lian-Xing G
Balancing the galvanic replacement and reduction kinetics for the general formation of bimetallic CuM (M = Ru, Rh, Pd, Os, Ir, and Pt) hollow nanostructures
No full text
Tailoring the internal structure and chemical composition of nanomaterials is an effective way to enhance their performance for a given application. Herein, we report a general wet-chemistry approach to produce copper (Cu)-based binary hollow nanostructures with well defined architectures and investigate their catalytic properties in electrochemical reactions. This strategy relies on the galvanic replacement between Cu seeds and noble metal precursors including ruthenium (Ru), rhodium (Rh), palladium (Pd), osmium (Os), iridium (Ir), and platinum (Pt) in oleylamine at an appropriate temperature, which is essential to balance the reduction kinetics of the noble metal precursors by oleylamine during their galvanic replacement with Cu seed particles. Typically, the bimetallic CuPt hollow nanostructures with polyhedral morphologies exhibit enhanced catalytic properties for the oxygen reduction reaction (ORR), while their spherical counterparts obtained at a relatively low temperature show high activity for the methanol oxidation reaction (MOR). In particular, we will also demonstrate a unique application of the CuRu hollow nanostructures in supercapacitors after converting them into binary metal oxides at elevated temperatures in air.</p
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