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"Wang, Zhao"
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The coordination of BRICS development strategies towards shared prosperity
\"BRICS countries, including Brazil, Russia, India, China and South Africa, have successfully cooperated among themselves for more than a decade. The countries have served as an important platform for emerging markets and developing countries. The BRICS countries have successfully cooperated in political, economic, cultural and security affairs. The cooperation among BRICs countries has become an important force in stimulating world economic growth, perfecting global governance and improving welfare of people living in BRICs countries. Contributed by more than 20 experts from top think tanks of BRICS member countries, it summarizes the achievements of BRICS cooperation and studies challenges faced by BRICS countries, aiming to find solution for better collaboration of the BRICS member countries and achieve shared prosperity for all\"-- Provided by publisher.
Book
Constructive molecular configurations for surface-defect passivation of perovskite photovoltaics
Surface trap–mediated nonradiative charge recombination is a major limit to achieving high-efficiency metal-halide perovskite photovoltaics. The ionic character of perovskite lattice has enabled molecular defect passivation approaches through interaction between functional groups and defects. However, a lack of in-depth understanding of how the molecular configuration influences the passivation effectiveness is a challenge to rational molecule design. Here, the chemical environment of a functional group that is activated for defect passivation was systematically investigated with theophylline, caffeine, and theobromine. When N-H and C=O were in an optimal configuration in the molecule, hydrogen-bond formation between N-H and I (iodine) assisted the primary C=O binding with the antisite Pb (lead) defect to maximize surface-defect binding. A stabilized power conversion efficiency of 22.6% of photovoltaic device was demonstrated with theophylline treatment.
Journal Article
Towards unmanned apple orchard production cycle : recent new technologies
This volume provides the most recent technology for sensing and automation in apple production cycle in terms of bagging robotics, flower pollination robotics, pruning robotics, and harvest robotics. It does not only summarise the development of technology progress, but also discuss the future trend for unmanned apple production cycle. Though apple production still mainly relies on manual labour, a huge number of innovative technologies emerge during the past years, which pave the road for unmanned apple orchard management.
Book
Detection of Severe Acute Respiratory Syndrome Coronavirus 2 RNA on Surfaces in Quarantine Rooms
We investigated severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) environmental contamination in 2 rooms of a quarantine hotel after 2 presymptomatic persons who stayed there were laboratory-confirmed as having coronavirus disease. We detected SARS-CoV-2 RNA on 8 (36%) of 22 surfaces, as well as on the pillow cover, sheet, and duvet cover.
Journal Article
Disrupted‐in‐schizophrenia‐1 protects synaptic plasticity in a transgenic mouse model of Alzheimer’s disease as a mitophagy receptor
Mitochondrial dysfunction is an early feature of Alzheimer's disease (AD). Accumulated damaged mitochondria, which are associated with impaired mitophagy, contribute to neurodegeneration in AD. We show levels of Disrupted‐in‐schizophrenia‐1 (DISC1), which is genetically associated with psychiatric disorders and AD, decrease in the brains of AD patients and transgenic model mice and in Aβ‐treated cultured cells. Disrupted‐in‐schizophrenia‐1 contains a canonical LC3‐interacting region (LIR) motif (210FSFI213), through which DISC1 directly binds to LC3‐I/II. Overexpression of DISC1 enhances mitophagy through its binding to LC3, whereas knocking‐down of DISC1 blocks Aβ‐induced mitophagy. We further observe overexpression of DISC1, but not its mutant (muFSFI) which abolishes the interaction of DISC1 with LC3, rescues Aβ‐induced mitochondrial dysfunction, loss of spines, suppressed long‐term potentiation (LTP). Overexpression of DISC1 via adeno‐associated virus (serotype 8, AAV8) in the hippocampus of 8‐month‐old APP/PS1 transgenic mice for 4 months rescues cognitive deficits, synaptic loss, and Aβ plaque accumulation, in a way dependent on the interaction of DISC1 with LC3. These results indicate that DISC1 is a novel mitophagy receptor, which protects synaptic plasticity from Aβ accumulation‐induced toxicity through promoting mitophagy.
Journal Article
A brief overview of China's ETS pilots : deconstruction and assessment of Guangdong's greenhouse gas emission trading mechanism
This book systematically introduces readers to the framework of China's ETS pilots, exploring their design and operating process, the current state of the carbon market, and various barriers encountered. To do so, it deconstructs the Guangdong ETS, which is the largest and most representative of China's seven ETS pilots. The book subsequently describes and evaluates all seven pilots in terms of their efficiency, macro and micro effects, the method involved in the DEA model, the CGE model, and cost-benefit analysis. In turn, in the assessment section it demonstrates how some ETS pilots have failed to control carbon emissions due to inordinately high emissions quotas issued by the local government etc. Further, it argues that ETS should focus on those industries with large emissions and high mitigating potential for the time being, and then gradually expand the scale of its coverage. As China's national ETS is slated for launch on the basis of the lessons learned from the ETS pilots, the book offers a timely and valuable resource for all those who want to understand and forecast the development of China's ETS. It includes a wealth of descriptions and explanations of Chinese government policies involving carbon emissions control, making it a unique resource.
Book
Morphology tuning of inorganic nanomaterials grown by precipitation through control of electrolytic dissociation and supersaturation
The precise control of the morphology of inorganic materials during their synthesis is important yet challenging. Here we report that the morphology of a wide range of inorganic materials, grown by rapid precipitation from a metal cation solution, can be tuned during their crystallization from one- to three-dimensional (1D to 3D) structures without the need for capping agents or templates. This control is achieved by adjusting the balance between the electrolytic dissociation (
α
) of the reactants and the supersaturation (
S
) of the solutions. Low-
α,
weak electrolytes promoted the growth of anisotropic (1D and 2D) samples, with 1D materials favoured in particular at low
S
. In contrast, isotropic 3D polyhedral structures could only be prepared in the presence of strong electrolyte reactants (
α
≈ 1) with low
S
. Using this strategy, a wide range of materials were prepared, including metal oxides, hydroxides, carbonates, molybdates, oxalates, phosphates, fluorides and iodate with a variety of morphologies.
Precipitation enables the straightforward production of a variety of inorganic materials, but the rapid reaction rates involved typically make controlling their morphologies difficult. Now, the growth of either one-, two- or three-dimensional materials has been promoted by tuning of the reactants’ electrolytic dissociation and solution supersaturation, without the need for capping agents and templates.
Journal Article
النحت الصيني
يشتمل المحتوي الرئيسي لكتاب (النحت الصيني) على فنون النحت الصيني وتاريخ تطوره الذي مر بآلاف السنين، فضلا عن استعراض الأسلوب الفريد الذي تمتع به النحت الصيني وطرق النحت أثناء عملية تعاقب الأسر الحاكمة والتغيرات الثقافية، كما يستعرض الكتاب الصفات الجمالية والمفاهيم الثقافية للشعب الصيني وهناك جزء مخصص في الكتاب لتاريخ تطور النحت الصيني وجزء يستعرض تاريخ تطور الثقافة التقليدية الصينية والمفاهيم الجمالية والأكثر من ذلك هو الشهادات الملموسة على التبادلات الثقافية بين قومية الهان وغيرها من القوميات وكذلك التبادلات الثقافية بين الدول الأخرى وبعضها.
BOOK
Integrated charge excitation triboelectric nanogenerator
Performance of triboelectric nanogenerators is limited by low and unstable charge density on tribo-layers. An external-charge pumping method was recently developed and presents a promising and efficient strategy towards high-output triboelectric nanogenerators. However, integratibility and charge accumulation efficiency of the system is rather low. Inspired by the historical development of electromagnetic generators, here, we propose and realize a self-charge excitation triboelectric nanogenerator system towards high and stable output in analogy to the principle of traditional magnetic excitation generators. By rational design of the voltage-multiplying circuits, the completed external and self-charge excitation modes with stable and tailorable output over 1.25 mC m
−2
in contact-separation mode have been realized in ambient condition. The realization of the charge excitation system in this work may provide a promising strategy for achieving high-output triboelectric nanogenerators towards practical applications.
Triboelectric nanogenerators may benefit Internet-of-Things era energy demands, but application is hindered by low charge density. Here the authors maximize charge density in ambient conditions and achieve stable power generation in a triboelectric nanogenerator that can realize external and self-excitation.
Journal Article