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"Chao, Wang"
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Local well-posedness and break-down criterion of the incompressible Euler equations with free boundary
In this paper, we prove the local well-posedness of the free boundary problem for the incompressible Euler equations in low
regularity Sobolev spaces, in which the velocity is a Lipschitz function and the free surface belongs to
eBook
How organizational green culture influences green performance and competitive advantage
PurposeGrowing public concern about the natural environment is rapidly transforming the competitive landscape and forcing firms to adopt green innovation strategies. Many manufacturing firms have recognized the concept of green innovation, though there has been relatively little research on considerations of its driver and effect. The purpose of this paper is to empirically develop and test a theoretical model that analyzes how organizational green culture (OGC) influences green performance and competitive advantage. Specifically, this model explains how green innovation mediates these relationships.Design/methodology/approachThe paper collected data from 327 manufacturing firms of different industry sectors in Taiwan. Structural equation modeling with AMOS 11 software was applied to analyze the data. Data on specific environmental innovation issues at the firm level are not usually available from published sources, so this paper uses a questionnaire. The questionnaire is developed based on the literature.FindingsThe findings of this paper suggest that OGC significantly predicted green performance and competitive advantage, respectively. Moreover, the results show that both green innovation completely mediates between OGC and green performance, and that it has a partially mediating effect on the relationship between organization green culture and competitive advantage under environmental pressure.Research limitations/implicationsThis study has some limitations that point to the future lines of research. Perhaps, the biggest limitation of the study is that the data are from a single country, which may hamper generalization. This study is also limited in that it is based on cross-sectional data. A final limitation is the origin of organizational culture vs employee attitude culture.Originality/valueThis study contributes to the existing literature on organizational culture and innovation by considering green environmental concerns, which have not been empirically explored. This study also offers a unique theoretical argument describing the relationships by considering the mediating effect of green innovation strategy.
Journal Article
تاريخ الأدب الصيني المعاصر
هذا أول كتاب عن تاريخ الأدب الصيني المعاصر ترجم إلى العربية من الصينية مباشرة، بعد أن لاقى اهتماما كبيرا من الأوساط الثقافية في الصين، نظرا لما يتمتع به من موسوعية. يقسم الكتاب، الأدب الصيني المعاصر إلى جزأين من ناحية النقد. حيث يصف الجزء الأول كيفية حصول قواعد أدبية محددة على الهيمنة المطلقة، بالإضافة إلى الخصائص الأساسية لهذا الشكل الأدبي، أما الجزء الثاني فيكشف الضعف التدريجي، وتفكك هذه القواعد وموقعها المسيطر، وعملية التمايز الأدبي، وإعادة تنظيم البنية الأدبية في السياق التاريخي المتغير.
Book
Thermally modulated lithium iron phosphate batteries for mass-market electric vehicles
The pursuit of energy density has driven electric vehicle (EV) batteries from using lithium iron phosphate (LFP) cathodes in early days to ternary layered oxides increasingly rich in nickel; however, it is impossible to forgo the LFP battery due to its unsurpassed safety, as well as its low cost and cobalt-free nature. Here we demonstrate a thermally modulated LFP battery to offer an adequate cruise range per charge that is extendable by 10 min recharge in all climates, essentially guaranteeing EVs that are free of range anxiety. Such a thermally modulated LFP battery designed to operate at a working temperature around 60 °C in any ambient condition promises to be a well-rounded powertrain for mass-market EVs. Furthermore, we reveal that the limited working time at the high temperature presents an opportunity to use graphite of low surface areas, thereby prospectively prolonging the EV lifespan to greater than two million miles.
Ternary layered oxides dominate the current automobile batteries but suffer from material scarcity and operational safety. Here the authors report that, when operating at around 60 °C, a low-cost lithium iron phosphate-based battery exhibits ultra-safe, fast rechargeable and long-lasting properties.
Journal Article
Plant growth regulators for climate-smart agriculture
\"Climatic conditions are key determinants of plant growth, whether at the scale of temperature regulation of the cell cycle, or at the scale of the geographic limits for a particular species. The climate is changing, due to human activities - particularly the emission of greenhouse gases - and therefore the conditions for the establishment, growth, reproduction, survival and distribution of plant species are changing. In contrast to animals, plants can continuously cease and resume growth. This flexibility in their architecture and growth patterns is partly achieved by the action of plant hormones. Still, the role of PGRs in agriculture is modest compared to other agrochemicals, such as fungicides, herbicides, and insecticides. Plant Growth Regulators in agriculture is an invaluable guide to the varied roles filled by PGRs in the attainment of higher-quality, better-yielding crops. Salient Features: Explores the plant growth regulator and anthropogenic climate change. Provides new insights related to hormonal cross-talk in plant development and stress responses. Shed new light on the role of PGRs in agriculture in the attainment of higher-quality, better-yielding crops. Delivers a valuable information on physiological and molecular mechanisms linked to the role of plant growth regulator in stress tolerance. Provides valuable knowledge for the all students of agronomy, plant physiology, molecular biology and environmental sciences\"-- Provided by publisher.
Book
Ancient genomes from northern China suggest links between subsistence changes and human migration
Northern China harbored the world’s earliest complex societies based on millet farming, in two major centers in the Yellow (YR) and West Liao (WLR) River basins. Until now, their genetic histories have remained largely unknown. Here we present 55 ancient genomes dating to 7500-1700 BP from the YR, WLR, and Amur River (AR) regions. Contrary to the genetic stability in the AR, the YR and WLR genetic profiles substantially changed over time. The YR populations show a monotonic increase over time in their genetic affinity with present-day southern Chinese and Southeast Asians. In the WLR, intensification of farming in the Late Neolithic is correlated with increased YR affinity while the inclusion of a pastoral economy in the Bronze Age was correlated with increased AR affinity. Our results suggest a link between changes in subsistence strategy and human migration, and fuel the debate about archaeolinguistic signatures of past human migration.
Northern China contains some of the world’s earliest farming societies. Here, authors use 55 ancient genomes to trace the genetic history of human migrations across northern China for the last 7500 years, and document genetic changes mirroring shifts in subsistence strategy.
Journal Article
A Molecular Approach to the Sexing of the Triple Burial at the Upper Paleolithic Site of Dolní Věstonice
In the past decades ancient DNA research has brought numerous insights to archaeological research where traditional approaches were limited. The determination of sex in human skeletal remains is often challenging for physical anthropologists when dealing with incomplete, juvenile or pathological specimens. Molecular approaches allow sexing on the basis of sex-specific markers or by calculating the ratio of DNA derived from different chromosomes. Here we propose a novel approach that relies on the ratio of X chromosome-derived shotgun sequencing data to the autosomal coverage, thus establishing the probability of an XX or XY karyotype. Applying this approach to the individuals of the Upper Paleolithic triple burial of Dolní Věstonice reveals that all three skeletons, including the individual DV 15, whose sex has long been debated due to a pathological condition, were male.
Journal Article