Cold-formed steel refers to steel sections and shapes that are formed at room temperature, typically through processes such as bending, roll forming, or stamping, rather than being hot-rolled. This method can produce various profiles, including channels, angles, beams, and sheets, which are used in a wide range of construction and engineering applications.
Damascus steel refers to a type of steel that was historically used to make blades and weapons, characterized by its distinctive patterned surface. It originated in the Near East, particularly associated with the production of blades from around the 3rd to 17th centuries. The name "Damascus" comes from the city of Damascus in Syria, which was a center for metalworking at the time.
Liquid phase sintering is a process used in materials science and engineering to consolidate powder materials into a solid, dense mass through the application of heat and the presence of a liquid phase. This technique is commonly used for the densification of ceramics, metals, and metal matrix composites.
Metal clay is a versatile material used by jewelry makers and artisans to create intricate designs. It consists of fine metal particles, usually silver, gold, or bronze, mixed with a binder and water, giving it the texture and consistency of clay. This allows artists to mold, shape, and sculpt designs by hand or with tools. Once the desired form is created, the piece is dried and then fired in a kiln or with a torch.
Metal testing refers to various methods and processes used to evaluate the properties, composition, and performance of metals and metal alloys. This testing is crucial in industries such as manufacturing, construction, aerospace, automotive, and others where the integrity and reliability of metal components are essential.
Spark plasma sintering (SPS), also known as pulsed electric current sintering (PECS) or spark plasma sintering, is a solid-state processing technique used to consolidate powder materials into dense bulk solids. It is particularly effective for ceramics, metals, and composite materials. The process involves the application of an electric current and mechanical pressure to the powder material, leading to rapid densification and relatively low sintering temperatures compared to traditional sintering methods.
Toilet service generally refers to the maintenance, cleaning, or installation of toilet facilities. This can encompass a variety of activities, including: 1. **Cleaning Services**: Regular janitorial services to keep toilet facilities clean and hygienic, typically in public restrooms or commercial buildings. 2. **Maintenance and Repairs**: Services that address issues such as clogged toilets, leaks, or malfunctioning fixtures. This could involve professional plumbers who specialize in toilet repairs.
The Electrochemical Society (ECS) is a professional organization focused on advancing the interdisciplinary field of electrochemistry and solid-state science and technology. Established in 1902, it serves as a platform for researchers, engineers, and educators involved in these fields to share knowledge, collaborate on research, and promote advancements in electrochemical science and technology.
A half-reaction is a way of representing either the oxidation or reduction part of a redox (reduction-oxidation) reaction. In a redox reaction, one species is oxidized (loses electrons) and another is reduced (gains electrons). Half-reactions help to clearly illustrate these processes by separating the two components. Each half-reaction shows the transfer of electrons and can be balanced for mass and charge.
Nanoelectrochemistry is a field of study that focuses on the electrochemical processes that occur at the nanoscale. It involves the investigation of electrochemical reactions and phenomena involving materials, structures, and devices that are at the nanometer scale (typically less than 100 nanometers). Key aspects of nanoelectrochemistry include: 1. **Nanoscale Electrode Materials**: Researchers investigate how electrochemical properties change when materials are made into nanoscale forms.
The oxygen reduction reaction (ORR) is a key electrochemical reaction that involves the reduction of molecular oxygen (O₂) to water (H₂O) or hydroxide ions (OH⁻) in an electrochemical cell. This reaction is crucial in various applications, particularly in fuel cells, batteries, and corrosion processes. In the context of fuel cells, the ORR occurs at the cathode, where oxygen from the air is reduced.
Anders Szepessy is a notable academic in the field of mathematics, particularly known for his work in numerical analysis and computational mathematics. He has contributed to various areas including finite element methods, numerical solutions to differential equations, and other computational techniques. His research often focuses on applications of mathematics in engineering and the sciences.
Pulse electrolysis, also known as pulsed electrolysis, is a technique that involves the application of pulsed electric current to facilitate chemical reactions during electrolysis. This method is often employed in various fields, including electroplating, metal extraction, and wastewater treatment, among others. In traditional electrolysis, a constant direct current (DC) is applied, which can sometimes lead to issues such as overheating, hydrogen evolution, or inefficient ion transfer.
Repolarization is a physiological process that occurs in excitable cells, such as neurons and muscle cells, particularly during the action potential cycle. It refers to the return of the cell’s membrane potential to its resting state after it has been depolarized. During an action potential, a cell's membrane becomes depolarized when sodium ions (Na+) flow into the cell, causing the inside of the cell to become more positive.
Z-HIT, also known as Z-Health Information Technology, refers to a series of initiatives and frameworks designed to improve healthcare through the use of information technology. The specific context and details regarding Z-HIT can vary, as it may refer to various programs, technologies, or standards in the healthcare IT space.
As of my last knowledge update in October 2023, "Adas Bank" does not refer to any widely recognized financial institution or entity. It's possible that it could be a misspelling, a lesser-known local bank, or a new establishment that has emerged after my last training cut-off.
The Aleutian Current is an oceanic current located in the North Pacific Ocean. It flows northward along the Aleutian Islands, which are situated between the Bering Sea to the north and the North Pacific Ocean to the south. The current is influenced by several factors, including the Earth's rotation, wind patterns, and the temperature and salinity of the water.
Astoria Canyon is a submarine canyon located off the coast of Oregon, near Astoria in the United States. It is part of the larger Cascadia Subduction Zone and plays a significant role in the geological and ecological processes of the area. The canyon is notable for its depth and steep walls, and it serves as an important habitat for various marine species. Astoria Canyon is significant for its contributions to sediment transport, marine biodiversity, and nutrient cycling in the ocean.
The Bellingshausen Plain is a large, flat region located in Antarctica, specifically within the western part of the continent, in the vicinity of the Bellingshausen Sea. This geographical feature is part of the larger Thwaites Glacier region and is notable for its unique geological and glaciological characteristics. The plain itself affects ice dynamics and the behavior of glaciers in the area, playing a role in the study of climate change and sea-level rise.
Boomerang Seamount is an underwater volcanic structure located in the South Pacific Ocean. It is part of the Macquarie Ridge system, which is characterized by various underwater features, including seamounts and ridges. The seamount is named for its distinctive shape, which resembles a boomerang. Seamounts like Boomerang are significant for various reasons, including their role in marine ecosystems, as they can serve as habitats for diverse marine life.

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