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The term "European Community number" could refer to various identifiers depending on context, but it is most commonly associated with the "European Community (EC) Number" used in the context of chemical substances and regulatory compliance. The EC number is a numerical identifier assigned to substances registered under the European Union's regulation of chemicals, particularly under the REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals) directive.

Keith Clark is a notable computer scientist recognized for his contributions to the fields of artificial intelligence and logic programming. He is particularly known for his work on Prolog, a programming language associated with artificial intelligence and computational linguistics. One of his significant contributions is the development of the "Clark Completion," a technique that enhances the capabilities of logic programming systems by applying principles from non-monotonic reasoning and logic.

Dielectric breakdown is a phenomenon that occurs in insulating materials (dielectrics) when they are subjected to a high electric field. Under normal conditions, these materials resist the flow of electric current. However, when the electric field exceeds a certain threshold, known as the dielectric breakdown strength, the material begins to conduct electricity, leading to failure of the insulating properties. ### Breakdown Mechanism: The dielectric breakdown can be explained through several mechanisms, depending on the material and the conditions.

The Effective Selfing Model (ESM) is a theoretical framework used in population genetics and evolutionary biology to understand the dynamics of mating systems in plants, particularly in relation to self-fertilization versus outcrossing. The key components of this model include the effects of self-fertilization on genetic diversity, the potential for inbreeding depression, and the evolutionary consequences of different mating strategies. ### Key Features of the Effective Selfing Model: 1. **Selfing vs.

The Elementary Effects method, also known as the Morris method, is a sensitivity analysis technique used primarily in the field of uncertainty analysis and mathematical modeling. It was developed by Maxime Morris in the 1990s and is designed to evaluate the influence of input parameters on model outputs, particularly in complex simulations where traditional methods may be computationally expensive or impractical.

Empirical modeling is a methodological approach used primarily in the fields of science and engineering to create models based on observed data rather than purely theoretical considerations. It emphasizes the importance of observation and experience in building representations of systems, phenomena, or processes. Key aspects of empirical modeling include: 1. **Data-Driven**: Empirical modeling relies heavily on data collection and analysis. Models are formulated based on measurements and observations obtained from experiments or real-world phenomena rather than solely on established theories.

The term "Syrian mathematicians" could refer to mathematicians from Syria who have made contributions to the field, both historically and in contemporary times. Here are a few notable points: 1. **Historical Context**: Syria has a rich history of mathematics that dates back to ancient civilizations, including the Babylonians and later the contributions from Islamic scholars during the Golden Age of Islam. The region was a hub for the translation and preservation of Greek mathematical texts.

Oceanography is the scientific study of the ocean and its various components, including marine organisms, ocean currents, waves, and geophysical properties. An outline of oceanography typically includes various sub-disciplines and topics that encompass the study of the oceans. Here's a comprehensive outline: ### I. Introduction to Oceanography A. Definition and Importance B. History of Oceanographic Exploration C. Tools and Technologies in Oceanography ### II. Physical Oceanography A.

The Partnership for Observation of the Global Oceans (POGO) is an international consortium aimed at promoting and coordinating ocean observations and research. Established in 2001, POGO focuses on improving the delivery and accessibility of data related to ocean health and dynamics to support scientific research, environmental monitoring, and policy-making. POGO brings together various organizations, including national and international ocean observing programs, research institutions, and non-governmental organizations, to enhance collaboration and foster innovative solutions to ocean-related challenges.

The "Radiation Law" related to human mobility is often associated with the concept of spatial interactions, specifically in the context of geography and urban planning. It deals with how people move and interact based on the proximity between different locations. This can be compared to the "gravity model" in transportation studies. ### Key Components of Radiation Law: 1. **Distance Decay**: The likelihood of interactions (such as travel or migration) decreases with increasing distance.

A Resource Selection Function (RSF) is a statistical tool used in ecology and wildlife management to assess the selection of resources by animals in their habitats. It helps ecologists and researchers understand how animals choose their habitats and resources such as food, shelter, and mating areas based on various environmental factors. ### Key Concepts of RSF: 1. **Resource Selection**: Animals do not use their habitats randomly; they exhibit preferences for certain resources over others.

Sensitivity analysis is a quantitative method used to determine how the different values of an independent variable (or input) will impact a particular dependent variable (or output) under a given set of assumptions. It assesses how sensitive the output of a model is to changes in input values, allowing researchers and decision-makers to understand the robustness and reliability of their results or predictions.

Proper acceleration is the acceleration that an object experiences as measured by an accelerometer carried with that object. It is the physical acceleration felt by an observer in a non-inertial reference frame, taking into account any forces acting on the object, such as gravitational and inertial forces. In contrast to coordinate acceleration, which can vary depending on the observer's frame of reference, proper acceleration is an absolute measure of how an object is accelerating in its own frame.

Norwegian anti-nuclear weapons activists are individuals or groups in Norway that advocate against the proliferation and deployment of nuclear weapons. Their efforts typically focus on promoting disarmament, raising awareness about the dangers of nuclear weapons, and influencing national and international policies regarding nuclear arms.

iPadOS 13 is the operating system version specifically designed for iPads, introduced by Apple in September 2019. It builds upon iOS 13 but is tailored to enhance the iPad experience, providing features and functionalities optimized for larger screens and productivity use. Some key highlights of iPadOS 13 include: 1. **Improved Multitasking**: iPadOS 13 introduced new features for multitasking, allowing users to work with multiple apps more efficiently.

As of my last update in October 2023, there is no widely recognized technology or concept referred to as "Nukernel." It's possible that it could be a term used in a niche field, a project, or a product that has emerged after my last update.

Enterprise Objects Framework (EOF) is an object-relational mapping (ORM) technology developed by Apple Inc. primarily for use with its WebObjects application server. EOF provides a way to interact with relational databases in an object-oriented manner, allowing developers to work with Java or Objective-C objects instead of writing SQL queries directly.

Gradient-enhanced kriging (GEK) is a variant of the traditional kriging method used for spatial prediction, particularly in the field of geostatistics. While traditional kriging focuses on modeling the spatial correlation of a variable based solely on observations, GEK incorporates additional information about the gradients (or spatial derivatives) of the variable of interest to improve the accuracy of the predictions.

Project Kaisei is an initiative focused on addressing the issue of marine debris, particularly the problem of plastic pollution in the world's oceans. Launched in 2009, the project aims to develop technologies and methods for cleaning up plastic waste and preventing further pollution in marine environments. Named after the Japanese word "Kaisei," which means "ocean cleaning," the project involves collaboration among scientists, environmentalists, and volunteers.