作者:Mathijs Cosemans , Rik Frehen 摘要:本文使用手工收集的历史数据,为内部人的战略交易行为及其对外部人的影响提供了实证证据。具体来说,我们收集了一个对内幕交易没有法律限制的时代和一个交易非匿名的市场中所有内部人员和外部...
全球竞争加剧、经济不确定性和地缘政治风险加大、碳中和等气候变化对策、变革性数字技术发展趋势、新型冠状病毒感染范围扩大等,使商业运营处于前所未有的严峻环境。为了奠定坚实的可持续发展基础,JFE集团针对上述环境制定了2021-2024年第7次...
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01763920BS231016000026000014 1P断路器 1P断路器*5SY6 106-7CC*西门子* 100.0 个 2023-11-15 到货地点:上海市宝山区湄浦路360弄B-2-105 01742965BS231016000026000015 断路器辅助触点 断路器辅助触点*5ST3 010-0CC*西门子* 500.0 个 2023-11-15 到货地点:上海市宝山区湄浦路360弄B-2-105 01763919BS231...
· The short- and long-run effects of remote work on U.S. housing markets 01 Temperature shocks and industry earnings news 文章摘要：在2023年10月的Journal of Financial Economics上，Jawad Addoum、David Ng和Ariel Ortiz-Bobea研究了极端温度对美国不同行业企业盈利的影响以及分析家对此的...
a hot dip galvanized steel sheet includes a steel sheet (base steel sheet) having a chemical composition containing, by mass %, C: 0.03% or more and 0.07% or less, Si: 0.10% or less, Mn: 0.5% or more and 0.9% or less, P: 0.020% or more and 0.050% or less, S: 0.010% or ...
A galvannealed steel sheet includes a zinc coating layer containing 7 to 15% Fe on the surface of steel sheet including, C: 0.02% to 0.30%, Si: 0.01% to 2.5%, Mn: 0.1% to 3.0%, P: 0.003% to 0.08%, S: not more than 0.01%, Al: 0.001% to 0.20%, one or more selected from...
One of the world’s largest retrofits and upgrades La Mesa WTP 1 is the largest water purification plant in the Philippines, treating 1 500 million litres per day (MLD), equivalent to supply approximately 6 million persons. In this project, inclined settlers, sludge scrapers and...
r a d n e y hi d sl 阅读一位高中校长给新生们的一份济讲稿studrats nus a sul for a u whouth e ,为一家新的学校乐部写一案 a mursn arck o wi d i ·阅读一篇关于英国学校生活的杂志文章mak e a bondles alut yu l e 一副作一个关工你的学校的小册子Wekcom e to th e unit s...