The currency value of the SDR is determined by summing the values in U.S. dollars, based on market exchange rates, of a basket of major currencies (the U.S. dollar, Euro, Japanese yen, pound sterling ...

2024年9月国内HDPE出口量在3.27万吨，环比下降13.49%，同比下降7.63%。 【大宗商品公式定价原理】 生意社基准价是基于价格大 ...

Through the offering, Zenith will have over 300 SDR holders. The company’s SDRs are expected to begin trading on Spotlight Stock Market on October 7, 2025, under the ticker ZENA SDR with ISIN code ...

一、2025年9月HDPE、LLDPE市场最新动态 （一）HDPE市场：价格稳中趋弱，需求结构性分化 2025年9月，HDPE市场呈现“供应稳定、需求平淡”的整体格局。价格方面，淄博地区HDPE价格指数收于839.91，较上周持平；华南地区拉丝料（如大庆石化5000S、兰州石化5000S）维持 ...

本研究针对高密度聚乙烯(HDPE)在海底管道等工程应用中面临的冲击载荷问题，系统校准了Johnson-Cook(JC)、三网络(TN)和三网络粘塑性(TNV)三种本构模型。通过多应变率(0.00333-2.187 sec-1)和温度(23-95°C)下的拉伸试验，结合落锤冲击验证(2-4 m/s)，发现TN模型能最准确预测 ...

A general allocation of Special Drawing Rights (SDRs) equivalent to about US$250 billion became effective on August 28, 2009. The allocation is designed to provide liquidity to the global economic ...

The leaders of some of Britain’s major trade unions rushed to publicly back the Labour government’s Strategic Defence Review (SDR) setting out a blueprint for preparing to fight a nuclear war against ...

I melted down HDPE plastic and recycled it into a DIY Electric Guitar! HDPE. Plastic is a common type that can be melted at around 280 degrees Fahrenheit. After cleaning and sorting the plastic I ...