Marine chemistry is the study of the chemical composition and properties of ocean waters, marine sediments, and the chemical processes that occur in marine environments. It encompasses a range of topics, including: 1. **Composition of Seawater**: Analyzing the salts, nutrients (like nitrates and phosphates), gases (such as oxygen and carbon dioxide), and other dissolved substances present in seawater.
The European Chemicals Bureau (ECB) was a part of the European Commission that operated under the Directorate-General for Environment. It was primarily responsible for implementing various regulatory frameworks related to chemical substances in the European Union, particularly the REACH (Registration, Evaluation, Authorisation, and Restriction of Chemicals) regulation. The ECB provided technical and scientific support for the development of policies on chemicals and facilitated the registration and assessment of chemical substances.
The European Chemical Substances Information System (ESIS) was a database established by the European Commission to provide information on chemical substances that are manufactured or imported in the European Union (EU). Its main objective was to support the implementation of various European regulations regarding chemical safety, such as the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) regulation. ESIS contained data on: 1. **Chemical substance identity**: Information on the chemical name, CAS number, and other identifiers.
Chess traps are specific sequences of moves that aim to take advantage of an opponent's mistakes or oversights early in the game, often leading to a quick advantage, material gain, or even checkmate. They are typically employed in the opening phase of the game and can occur in various openings or setups.
21st-century Chilean mathematicians have made significant contributions across various fields of mathematics, including but not limited to algebra, analysis, geometry, and applied mathematics. Notable figures include: 1. **Arturo M. C. B. G. M. F. G. G. M. R. S. L. P. R. E. D. G. M. T. T. G. A** - known for his scholarship in algebra and computational mathematics.
As of my last knowledge update in October 2021, Liu Boli might not be a widely recognized term or name. It's possible that Liu Boli could refer to a specific person, place, or concept that gained prominence after that date, or it may be a less commonly known reference.
Jianwei Miao, whose name translates to "Miao Jianwei" in English, is not immediately recognizable as a widely known public figure, concept, or term in popular discourse. It may refer to a specific individual, concept, or term that has come into prominence after my knowledge cutoff in October 2021, or it may pertain to a less widely known subject.
Salomon Coster is a name that is not widely recognized in mainstream contexts, and there may not be significant information readily available about it. It could refer to a specific person, business, or brand that is not well-documented or it may be a misspelling or variation of a more commonly known term.
System 1 refers to one of two modes of thinking described by psychologist Daniel Kahneman in his book "Thinking, Fast and Slow." System 1 is characterized by fast, automatic, intuitive, and emotional responses. It operates quickly and effortlessly, drawing on experiences and heuristics to make judgments and decisions. This system is responsible for everyday decision-making and quick reactions in familiar situations. In contrast, System 2 is slower, more deliberate, and more analytical.
Mahābhūta is a term from ancient Indian philosophy that refers to the five great elements or fundamental processes that constitute all matter and existence. In various Indian spiritual and philosophical traditions, particularly in Hinduism and Buddhism, the Mahābhūta are described as follows: 1. **Prithvi (Earth)** - Represents solidity, stability, and material forms. It is associated with the physical body and the material world.
Water clocks, also known as clepsydra, are ancient devices used to measure time based on the regulated flow of water. They operate on the principle that a specific volume of water will flow at a consistent rate, allowing for the tracking of elapsed time. Historically, water clocks have been utilized by various civilizations, including the Egyptians, Greeks, Chinese, and Babylonians.
The Climate Clock is a visual tool designed to raise awareness about the urgency of addressing climate change. It typically displays a countdown timer indicating the time remaining to achieve specific climate goals, such as limiting global warming to 1.5 degrees Celsius above pre-industrial levels, as outlined in the Paris Agreement. The clock emphasizes the shrinking window of opportunity to take meaningful action against climate change. The Climate Clock project was initiated in 2020 and is often represented as a large digital display in prominent public spaces.
Horological museums are specialized institutions dedicated to the study and display of timekeeping devices and the art of horology, which is the science and craftsmanship of designing and making clocks and watches. These museums typically showcase a wide range of historical and contemporary timepieces, including mechanical watches, pendulum clocks, astronomical clocks, and other related artifacts.
"Jane Cain" could refer to multiple things depending on the context, as it's not a widely recognized name or term. It could pertain to a person, a fictional character, a business, or another subject.
Pat Simmons is an American voice actress known for her work in various animated television shows, films, and video games. She has lent her voice to a range of characters, showcasing her versatility and talent in the field of voice acting. While detailed information about her roles may vary, she may be recognized for her contributions in children’s programming and other entertainment media. For specific projects or series where she has provided her voice, additional context might be needed to provide more precise information.
Cloud formation and climate change are interconnected processes that play significant roles in the Earth's climate system. Here's an overview of each concept and their relationship: ### Cloud Formation Cloud formation is the process by which water vapor in the atmosphere condenses into tiny water droplets or ice crystals, creating clouds. This process involves several key steps: 1. **Evaporation**: Water from oceans, lakes, rivers, and other sources evaporates into the atmosphere as water vapor.
"The East Is Red" is a revolutionary Chinese song that became an anthem during the Cultural Revolution in China (1966-1976). The song praises the leadership of Mao Zedong and the Communist Party of China, embodying the spirit of revolutionary fervor at the time. It was composed in 1943 but gained immense popularity during the Cultural Revolution as it was used in various forms of propaganda.
The São Pedro Clock, also known as the São Pedro de Alcântara Clock, is a notable historical timekeeping device located in the city of Rio de Janeiro, Brazil. It is a significant landmark and is associated with the Church of São Pedro de Alcântara, which is situated in the neighborhood of Glória. The clock is distinct for its style and historical significance, reflecting both artistic and architectural elements of the period in which it was created.
An *-autonomous category is a concept from category theory, specifically in the context of categorical logic and type theory. More formally, a category \( \mathcal{C} \) is said to be *-autonomous if it has a structure that allows for a notion of duals and exponential objects that satisfies certain properties.
Heteroboranes are a class of chemical compounds that contain boron and at least one other type of atom, typically a non-metal such as nitrogen or phosphorus. These compounds are characterized by the presence of boron in combination with other elements, forming various structures that can include clusters or networks. Heteroboranes can exhibit diverse properties and reactivities, depending on their specific composition and structure.

Pinned article: Introduction to the OurBigBook Project

Welcome to the OurBigBook Project! Our goal is to create the perfect publishing platform for STEM subjects, and get university-level students to write the best free STEM tutorials ever.
Everyone is welcome to create an account and play with the site: ourbigbook.com/go/register. We belive that students themselves can write amazing tutorials, but teachers are welcome too. You can write about anything you want, it doesn't have to be STEM or even educational. Silly test content is very welcome and you won't be penalized in any way. Just keep it legal!
We have two killer features:
  1. topics: topics group articles by different users with the same title, e.g. here is the topic for the "Fundamental Theorem of Calculus" ourbigbook.com/go/topic/fundamental-theorem-of-calculus
    Articles of different users are sorted by upvote within each article page. This feature is a bit like:
    • a Wikipedia where each user can have their own version of each article
    • a Q&A website like Stack Overflow, where multiple people can give their views on a given topic, and the best ones are sorted by upvote. Except you don't need to wait for someone to ask first, and any topic goes, no matter how narrow or broad
    This feature makes it possible for readers to find better explanations of any topic created by other writers. And it allows writers to create an explanation in a place that readers might actually find it.
    Figure 1.
    Screenshot of the "Derivative" topic page
    . View it live at: ourbigbook.com/go/topic/derivative
  2. local editing: you can store all your personal knowledge base content locally in a plaintext markup format that can be edited locally and published either:
    This way you can be sure that even if OurBigBook.com were to go down one day (which we have no plans to do as it is quite cheap to host!), your content will still be perfectly readable as a static site.
    Figure 2.
    You can publish local OurBigBook lightweight markup files to either https://OurBigBook.com or as a static website
    .
    Figure 3.
    Visual Studio Code extension installation
    .
    Figure 4.
    Visual Studio Code extension tree navigation
    .
    Figure 5.
    Web editor
    . You can also edit articles on the Web editor without installing anything locally.
    Video 3.
    Edit locally and publish demo
    . Source. This shows editing OurBigBook Markup and publishing it using the Visual Studio Code extension.
    Video 4.
    OurBigBook Visual Studio Code extension editing and navigation demo
    . Source.
  3. https://raw.githubusercontent.com/ourbigbook/ourbigbook-media/master/feature/x/hilbert-space-arrow.png
  4. Infinitely deep tables of contents:
    Figure 6.
    Dynamic article tree with infinitely deep table of contents
    .
    Descendant pages can also show up as toplevel e.g.: ourbigbook.com/cirosantilli/chordate-subclade
All our software is open source and hosted at: github.com/ourbigbook/ourbigbook
Further documentation can be found at: docs.ourbigbook.com
Feel free to reach our to us for any help or suggestions: docs.ourbigbook.com/#contact