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  2. Tacticity - Wikipedia

    en.wikipedia.org/wiki/Tacticity

    The mass fraction of isotactic (mm) triads is a common quantitative measure of tacticity. When the stereochemistry of a macromolecule is considered to be a Bernoulli process, the triad composition can be calculated from the probability P m of a diad being m type. For example, when this probability is 0.25 then the probability of finding:

  3. Order of operations - Wikipedia

    en.wikipedia.org/wiki/Order_of_operations

    The order of operations, that is, the order in which the operations in an expression are usually performed, results from a convention adopted throughout mathematics, science, technology and many computer programming languages.

  4. Imaginary unit - Wikipedia

    en.wikipedia.org/wiki/Imaginary_unit

    The imaginary unit i in the complex plane: Real numbers are conventionally drawn on the horizontal axis, and imaginary numbers on the vertical axis.. The imaginary unit or unit imaginary number (i) is a mathematical constant that is a solution to the quadratic equation x 2 + 1 = 0.

  5. Glossary of commutative algebra - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_commutative...

    radical 1. The Jacobson radical of a ring. 2. The nilradical of a ring. 3. A radical of an element x of a ring is an element such that some positive power is x. 4. The radical of an ideal is the ideal of radicals of its elements. 5. The radical of a submodule M of a module N is the ideal of elements x such that some power of x maps N into M. 6.

  6. Amadeo Bordiga - Wikipedia

    en.wikipedia.org/wiki/Amadeo_Bordiga

    Bordiga's upbringing, while being thoroughly radical, was also of a highly scientific nature. An opponent of the Italo-Turkish War as an Italian colonial war in Libya, Bordiga was introduced to the Italian Socialist Party (PSI) by his high-school physics teacher in 1910. Bordiga eventually founded the Karl Marx Circle in 1912, where he would ...

  7. Hasan al-Askari - Wikipedia

    en.wikipedia.org/wiki/Hasan_al-Askari

    Hasan ibn Ali ibn Muhammad (Arabic: الحَسَن بْن عَلِيّ بْن مُحَمَّدُ, romanized: al-Ḥasan ibn ʿAlī ibn Muḥammad; c. 846–874), better known as Hasan al-Askari (Arabic: الحَسَن ٱلْعَسْكَرِيّ, romanized: al-Ḥasan al-ʿAskarī), was a descendant of the Islamic prophet Muhammad.

  8. Medical–industrial complex - Wikipedia

    en.wikipedia.org/wiki/Medical–industrial_complex

    [32] This definition of the medical-industrial complex describes the history of the American healthcare system, specifically the creation of social programs Medicare and Medicaid, as an industry that has transformed into a central, essential role of the American national economy. References to the perpetuation of healthcare disparities by the ...