The equation of time is the difference between the apparent (sun observed) time and the modern day uniform time. This paper explains what causes the Equation of Time to arise. It is shown that it ...

本综述系统探讨了通过调控光氧化还原半反应（如H2O、H2O2、O2、CO2还原）实现塑料废物在温和条件下定向转化为高值化学品（如H2、甲酸、乙酸）的新策略，为同步解决塑料污染与能源危机提供了创新思路。 塑料因其卫生性、耐用性和低成本等优点被广泛应用 ...

If your Word equation is not converting to professional format, you’re not alone. Some users have reported that equations typed in Microsoft Word on a Windows 11/10 PC fail to switch from linear text ...

本研究揭示了活性氧物种(ROS)在美洲黑杨木质部发育中的关键作用。研究人员通过对比分析速生型(Wimco-109)和慢生型(Wimco-83)克隆株系发现，超氧阴离子(O2•?)促进生长而H2O2导致木质化增强。研究证实NADPH氧化酶(NOX)活性差异调控ROS平衡，为造纸工业选育低木质素 ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

As a newly minted CEO four years ago, I often squirmed when asked to describe my company's culture. While I had a clear vision, articulating it in a way that resonated with both employees and ...

Abstract: The equation concept is one of the most fundamental in mathematics, yet the word "equation" means different things to different people. It is used not only with various precise technical ...

Microsoft Word is widely used for drafting a variety of documents, including academic papers that require complex mathematical equations. Fortunately, Word offers several approaches to insert ...

Let’s see all these methods in detail. 1] Type exponents in Microsoft Word by inserting an equation The following instructions will help you type exponents by inserting an equation in Word. You can ...