Its automobile division produces transmissions, transfer cases, couplings, constant velocity joints (CVJs), power steering, chassis modules, tire modules, axle module, automobile engines and others.

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Perturbation theory works well in EM because successive powers of the EM coupling constant, alpha ~ 1/137, get smaller fast. But that does not happen for the entire energy spectrum of QCD.

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Abstract: Addressing the coupling effect between speed and voltage controllers ... Subsequently, the power balance current for maintaining DC-link voltage constant can be extracted independently of ...

We reconsider several current bounds on the variation of the fine-structure constant in models where all gauge and Yukawa couplings vary in an interdependent manner, as would be expected in unified ...

Investopedia / Matthew Collins Euler’s number (e), 2.71828..., is one of the most important constants in mathematics. It's a non-repeating number that never ends. It's found in many contexts ...