Electrochemical noise refers to the spontaneous fluctuations in the electrical current or potential that occur in an electrochemical system. These fluctuations are typically random and arise from various processes occurring at the electrode surface, such as charge transfer, ion diffusion, and corrosion reactions. Electrochemical noise can provide valuable information about the stability and performance of electrochemical systems, such as batteries, fuel cells, and corrosion processes.
The term "electric form factor" can refer to a few different concepts depending on the context, but it is typically associated with the geometric distribution of electric charge within an atomic nucleus, particle, or system. In the realm of particle physics, for example, the electric form factor describes how the charge is distributed in an electron or proton, influencing how they interact with electromagnetic fields.
In nautical terms, a "rutter" refers to a navigational guide or manual that contains information about coastal areas, regions, or specific sea routes. Historically, rutters were important for navigation, especially before the advent of modern navigational tools and GPS. They typically included details such as descriptions of routes, landmarks, water depths, tidal information, currents, and other critical data useful for mariners to safely guide their vessels.
Erosion corrosion is a type of material degradation that occurs when a metal surface is subjected to a combination of mechanical wear (erosion) and electrochemical corrosion processes. This phenomenon typically arises in environments where a corrosive fluid (such as water, chemicals, or slurries) flows over a metal surface at high flow velocities.
Radar meteorology is a branch of meteorology that utilizes radar technology to observe and analyze weather phenomena, such as precipitation, storm development, and atmospheric motion. It involves the use of radar systems to emit radio waves that bounce off precipitation particles, such as raindrops, snowflakes, and hail. By analyzing the reflected signals, meteorologists can gather real-time data about the intensity, location, movement, and structure of weather systems.
The Clausius–Mossotti relation is a fundamental equation that describes the connection between the macroscopic dielectric properties of a material and its microscopic structure. Specifically, it relates the dielectric constant (or permittivity) of a material to the polarizability of its individual molecules.
Lithium tetrafluoroborate (LiBF₄) is an inorganic compound that is commonly used as an electrolyte salt in lithium-ion batteries and other electrochemical applications. It consists of lithium cations (Li⁺) and tetrafluoroborate anions (BF₄⁻). The tetrafluoroborate anion is characterized by its stable tetrahedral structure, where a boron atom is surrounded by four fluorine atoms.
The Lolland Hydrogen Community is a pioneering project in Denmark aimed at creating an integrated and sustainable hydrogen ecosystem on the island of Lolland. The initiative focuses on generating green hydrogen through renewable energy sources, primarily wind and solar power. The project seeks to utilize this hydrogen for various applications, including transportation, industrial processes, and energy storage.
Partial current typically refers to the flow of electric charge in a specific segment or component of an electrical system rather than the total current flowing through the entire system. This concept is useful in various contexts, such as: 1. **Circuit Analysis**: In circuit analysis, partial currents can be considered when analyzing circuits with multiple branches. For example, in a parallel circuit, each branch may carry a different current depending on its resistance, and these individual currents can be referred to as partial currents.
A potassium selective electrode (KSE) is a type of ion-selective electrode specifically designed to measure the concentration of potassium ions (K⁺) in solution. These electrodes are widely used in various fields, including clinical diagnostics, environmental monitoring, and food testing. ### Key Features of Potassium Selective Electrodes: 1. **Working Principle**: The potassium selective electrode operates based on the Nernst equation, which relates the electrode potential to the concentration of ions in solution.
The Randles–Sevcik equation is a fundamental relationship in electrochemistry that describes the current response of a redox-active species undergoing a diffusion-controlled process during a cyclic voltammetry experiment. It relates the peak current (\(I_p\)) measured during the voltammetric scan to various parameters, including the concentration of the active species, the scan rate, and the diffusion coefficient.
A working electrode is a critical component in electrochemical cells and devices, such as sensors and batteries. It is the electrode where the primary electrochemical reaction of interest occurs during an experiment or application. The working electrode interfaces with the electrolyte solution and facilitates the transfer of electrons between the electrode material and the electroactive species in the solution.
Ruthenium-iridium nanosized coral refers to a type of nanomaterial that combines ruthenium (Ru) and iridium (Ir) in a coral-like structure at the nanoscale. These materials are often explored for various applications due to their unique properties. 1. **Composition**: Ruthenium and iridium are both transition metals in the platinum group, known for their catalytic, electronic, and magnetic properties.
Sacrificial metal refers to a type of metal that is intentionally used in a protective capacity to prevent corrosion in other metals, primarily through a process called galvanic protection or cathodic protection. This technique is commonly used in various applications, including the protection of pipelines, tanks, and marine structures. In this context, a sacrificial anode (often made of zinc, magnesium, or aluminum) is attached to a metal structure (such as steel) that needs protection from corrosion.
The Severinghaus electrode is a type of electrochemical sensor used for measuring partial pressure of carbon dioxide (pCO2) in various applications, particularly in medical and environmental monitoring. This electrode is notable for its ability to provide accurate and continuous measurements of CO2 levels. The Severinghaus electrode consists of a pH-sensitive glass membrane that is in contact with an electrolyte solution.
A supporting electrolyte, also known as a background electrolyte, is a substance added to an electrochemical system to provide a stable ionic environment, which enhances the conductivity of the solution. It helps maintain a constant ionic strength and can mitigate potential variations in the charge distribution during electrochemical reactions.
Peter Goldreich is an American astrophysicist best known for his contributions to the fields of planetary science, celestial mechanics, and astrophysics. He has made significant advancements in our understanding of planetary rings, the dynamics of planetary atmospheres, and the evolution of celestial objects. Goldreich is also known for his work on topics such as tidal forces and the stability of planetary orbits.
Characteristic Mode Analysis (CMA) is a computational technique primarily used in electromagnetics, particularly in antenna design and electromagnetic compatibility (EMC) studies. The method focuses on identifying the fundamental modes of a structure—essentially, the resonant behavior of the physical geometry when subjected to electromagnetic fields. Here are some key aspects of CMA: 1. **Resonant Modes**: CMA seeks to find the resonant frequencies of a structure by analyzing how electromagnetic fields interact with its physical characteristics.

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