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What is Gini coefficient?
The Gini coefficient is a measure of inequality or dispersion developed by Italian statistician Corrado Gini and published in his 1912 paper “Variability and Mutability”. Gini coefficient is a statistical measure of economic inequality which measures the more unequal d......
02/07/2023 
1025 
Lily
Roberzinski's theorem
Kolmogorov-Smirnov Test
The Kolmogorov-Smirnov test is a widely used, non-parametric statistical test for assessing whether two data sets come from a single population or from different populations. The name of the test arose from the surnames of its creators, Russian mathematician Andrey Kolmogo......
Lorenz curve
Elliptic Curve Cryptography
Elliptic curve cryptography (ECC) is a modern form of public-key cryptography based on the algebraic structure of elliptic curves over finite fields. It emerged in the late 1980s and has risen to prominence as a viable alternative to other public-key cryptographic algo......
Pareto curve
概述
Introduction
The development of methods of organizational analysis has led to the widespread adoption of the Pareto Principle, which states that in any given task, 80 percent of the output can be attributed to 20 percent of the effort. This distribution of effort is known as the Pareto Distri......
Fatigue performance of chromium-nickel-manganese-nitrogen austenitic stainless steel 00Cr22Ni13Mn5Mo2N (Nitronic50)
，关于Nitronic50不锈钢的疲劳性能
Introduction
Nitronic 50 is a type of stainless steel which is a proprietary, pressure-loaded austenitic nitride steel alloy, known as an alloy of chromium, nickel, manganese, and molybdenum. It has excellent properties in terms of strength, hardness, corrosion res......
China Copper Industry
Chinas Copper Industry
As one of the worlds oldest metals, copper has played an important role in human history for many centuries. In China, copper has been used for various purposes for thousands of years, from currency to decoration. By now, the copper industry inChinais a well-developed and m......
Fracture Analysis of 35 Steel Fatigue Specimen
Fatigue Fracture Analysis of 35 Steel Samples
Introduction
Fatigue fracture analysis is an important type of engineering analysis used to determine the cause of failure of components due to fatigue. It is a necessary engineering task to make sure that the design of components, structures, and ma......
orientation distribution function
The probability distribution function is a tool used to determine the probability that a certain outcome or event will occur. It is a mathematical expression used to describe the probability of occurrence of an event or the behavior of a random variable. The probability distribution function (PDF)......
Bow, Bow, Local Bow, and Total Bow
The concept of bending is basic to many industry applications—from materials shaping and machining, to algebraic curves, sheet metal forming, and more. Bending is also an important factor in such scientific fields as engineering and physics. It is possible to bend a material in different ways, and......
Plastic Increment Theory
英文文章：
Plastic Incremental Theory
Plastic incremental theory is a theory that states that the formation of certain behaviors, schemas, and skills are a result of gradual accumulation of experiences and exposures. This cumulative accumulation is said to form a “plastic” foundation from whic......
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