6,415 research outputs found

    Study on the Improvement of College Teachers' Informationized Teaching Ability

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    The 13th Five-Year Plan clearly proposes to enhance teachers’ ability of informationized teaching, so as to make informationized teaching a routine mode. In 2020,in order to prevent and control COVID-19, colleges have launched online teaching activities, which is necessary to use information technology in teaching and also a test of teachers’ ability of informationized teaching. In this context,teachers should change their teaching ideology and improve their ability of informatizationized teaching in an all-round way. Firstly, this paper analyzes the current situation of university teachers’ informationized teaching. Secondly, it analyzes the significance of improving the informationized teaching ability of university teachers. Finally, it analyzes the promotion strategies of university teachers’ ability of informatization teaching

    {6,6′-Dimeth­oxy-2,2′-[6-bromo­pyridine-2,3-diylbis(nitrilo­methyl­idyne)]­diphenol­ato}­copper(II) methanol solvate

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    In the title compound, [Cu(C21H16BrN3O4)]·CH3OH, the CuII ion is coordinated by two N [Cu—N = 1.814 (3) and 1.917 (3) Å] and two O [Cu—O = 1.805 (3) and 1.893 (3) Å] atoms from the tetra­dentate Schiff base ligand in a distorted square-planar geometry. In the crystal structure, the approximately planar Cu complex mol­ecules are paired into centrosymmetric dimers with short inter­molecular Cu⋯N distances of 3.162 (3) Å. Weak O---H...O hydrogen bonds may help to stabilize the structure

    Relationship between Real Earnings Management with Cost of Debt in Chinese Listed High-Tech Enterprises: The Perspective of Corporate Income Tax Incentives

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    To encourage corporate investment in innovation or R&D and foster innovative firms, the government of China established standards for the certification of high-tech enterprises in 2008. The business entities that fulfill these standards are entitled to tax deductions. One of the criteria is the ratio of R&D expenses to sales exceeding a specific percentage (which depends on the annual revenue) in the preceding 3 years. Moreover, this study examines data from the CSMAR database for the period 2008-2019 and includes data from 8,233 listed high-tech enterprises. The results show that if the proportion of pre-managed R&D expenses to pre-managed sales that are less than 6% (or 5%), 4%, or 3% in the past three years of firms with different sales range in the current year and managed earnings through sales or R&D expenses to fulfill the standards required for the certification positively influenced the costs of debt (non-significant)

    Relationship between Fuel Price Volatility with Earnings Management in African Airlines: The Perspective of Real Activities Earnings Management

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    This study examines data from the COMPUSTAT database, and annual reports for the period from 2002Q1 to 2018O4 in African Airlines. The results show that fuel price volatility positively influenced real earnings management such as cash flow from operations and discretionary expenditures. In addition, fuel price volatility also positively to real earnings management such as product costs (but this variable is non-significant)
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