The National Documentation Centre (NDC) of Greece, known in Greek as "Εθνικό Κέντρο Τεκμηρίωσης" (EKT), is a national organization that operates under the framework of the National Hellenic Research Foundation. Its main mission is to provide and manage documentation services in various fields, particularly focusing on scientific and technical information.
Overtime rate refers to the additional pay that employees receive for hours worked beyond their standard work schedule, typically defined as over 40 hours in a week in the United States. The Fair Labor Standards Act (FLSA) mandates that non-exempt employees must be paid at least one and a half times (1.5 times) their regular hourly rate for overtime hours worked.
Parts-per notation is a way of expressing very small quantities of a substance in relation to a whole, often used to describe the concentration of a solute in a solution, pollutants in air or water, or other trace amounts in various contexts. It is particularly useful when dealing with concentrations that are much smaller than one percent.
The step response of a system is its output when subjected to a step input, which is a type of input signal that changes from one constant value to another constant value instantaneously. In control theory and signal processing, a step input is often represented mathematically as a unit step function, denoted as \( u(t) \). ### Key Aspects of Step Response: 1. **Definition**: The step response describes how a dynamical system reacts over time after a sudden change in input.
A transmission curve, also known as a transmission spectrum or transmission function, is a graphical representation that illustrates how a particular medium (such as a filter, material, or atmosphere) transmits light or other electromagnetic radiation across various wavelengths or frequencies. The curve typically plots transmission efficiency (often expressed as a percentage or fraction) on the vertical axis against wavelength or frequency on the horizontal axis.
Psychometrics is a field of study concerned with the theory and technique of psychological measurement. This includes the assessment of knowledge, abilities, attitudes, personality traits, and other psychological constructs. The goals of psychometrics include developing reliable and valid instruments for measuring these constructs, analyzing the data obtained from these instruments, and interpreting the results.
A software metric is a quantitative measure used to assess various attributes of software development and the software product itself. Software metrics help in evaluating the quality of software, project progress, performance, productivity, and cost-effectiveness. They can be used for various purposes, including: 1. **Quality Assessment**: Metrics can help determine the reliability, maintainability, and usability of software, aiding in quality assurance processes.
VCX score is not a widely recognized term, and as of my last knowledge update in October 2021, it wasn't associated with a specific, standard definition in finance, technology, or other common fields. However, it is possible that it could refer to a proprietary or specialized metric used in a particular context, such as a business, tech, or analytics domain.
Vehicular metrics refer to various measurements and performance indicators related to the operation, efficiency, and safety of vehicles. These metrics can be used in different contexts, such as transportation analysis, autonomous vehicle development, fleet management, and environmental impact assessments. Depending on the specific application, vehicular metrics may include: 1. **Fuel Efficiency**: Measurements like miles per gallon (MPG) or liters per 100 kilometers (L/100 km) that indicate how efficiently a vehicle uses fuel.
Mexican women mathematicians have made significant contributions to various fields of mathematics, often overcoming social and institutional challenges. Their work spans pure and applied mathematics, statistics, and mathematical education. Here are a few notable Mexican women mathematicians: 1. **Sor Juana Inés de la Cruz (1648-1695)**: Although primarily known as a writer and philosopher, Sor Juana had a deep interest in mathematics and sciences. She is considered one of the early female intellectual voices in Mexico.
Diego Rodríguez is a mathematician known for his contributions to various areas of mathematics. While specific details about his life and work may not be widely available or may vary depending on the context, individuals named Diego Rodríguez in academia often engage in research related to fields such as algebra, geometry, analysis, or other mathematical disciplines.
Fuensanta Aroca might refer to a person, likely with notable contributions in a specific field, such as science, arts, or another area. However, based on the information I have up to October 2023, there isn't any widely recognized individual or entity by that name that is well-documented in public data. It could also refer to a specific location, event, or cultural reference that isn't extensively covered in major sources.
Dip-pen nanolithography (DPN) is a scanning probe microscopy-based technique developed for the fabrication of nanostructures on surfaces. It allows for the precise deposition of materials, including organic and inorganic compounds, at the nanoscale.
"Live, virtual, and constructive" (LVC) refers to a concept primarily used in the context of military training and simulation. Each component has a distinct role in enhancing training exercises and operational readiness. Here's a breakdown of each term: 1. **Live**: This component involves actual physical training with real equipment, personnel, and resources. It typically includes exercises conducted in real environments where troops and assets are actively engaged.
Sub-band coding (SBC) is a technique used in audio signal processing and data compression. It involves dividing an audio signal into multiple frequency bands (or sub-bands) and encoding each band separately. This approach allows for more efficient compression by taking advantage of the psychoacoustic properties of human hearing, which suggest that not all frequency components are perceived equally.
Monica Olvera de la Cruz is a prominent physicist and professor known for her research in the fields of mathematical physics, materials science, and condensed matter physics. She is recognized for her work on molecular systems, polymers, and nanomaterials, often using simulation techniques to study the properties and behaviors of these materials. Her contributions to the scientific community include numerous publications in reputable journals and involvement in various research projects.
Bio-MEMS, or Biological Micro-Electro-Mechanical Systems, refers to a subset of MEMS technology focused on applications in the biological and medical fields. MEMS technology involves the integration of mechanical and electrical components at the microscale, typically in the range of micrometers to millimeters. Bio-MEMS systems are designed to perform various functions, such as sensing, actuating, transporting fluids, or performing analyses in biological and medical contexts.
A micro power source refers to small-scale energy generation or storage devices that are capable of powering microelectronic systems, sensors, and small devices. These power sources are essential for applications where conventional power supplies are impractical due to size, weight, or energy efficiency constraints. Micro power sources can take various forms, including: 1. **Micro-batteries**: These are miniature batteries designed to provide power to small devices. They often utilize advanced materials and technologies to maximize energy density and minimize size.
A microactuator is a small device or component that converts energy (electric, thermal, magnetic, etc.) into mechanical motion at a micro or nano scale. They are typically used to produce controlled movements or forces, often in applications where space is limited and precision is crucial. Microactuators are utilized in various fields, including: 1. **Biomedical Devices**: In drug delivery systems and minimally invasive surgical tools.