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Atomic layer deposition. Schematic illustration of one reaction cycle of the ALD process, using the trimethylaluminium (TMA) -water process to make thin aluminium oxide films as (simplified) example. There, the starting surface contains hydroxyls (OH groups) as reactive sites; Step 1 is the reaction of TMA; Step 2 is a purge or evacuation step ...
In probability theory and statistics, the asymmetric Laplace distribution (ALD) is a continuous probability distribution which is a generalization of the Laplace distribution.
Since the ALD is the distribution of the difference of two variates drawn from the exponential distribution, it follows that if Z 1 is drawn from a wrapped exponential distribution with mean m 1 and rate λ/κ and Z 2 is drawn from a wrapped exponential distribution with mean m 2 and rate λκ, then Z 1 /Z 2 will be a circular variate drawn ...
Atomic layer epitaxy. Atomic layer epitaxy (ALE), [1] more generally known as atomic layer deposition (ALD), [2] is a specialized form of thin film growth (epitaxy) that typically deposit alternating monolayers of two elements onto a substrate. The crystal lattice structure achieved is thin, uniform, and aligned with the structure of the substrate.
ALS is a motor neuron disease, which is a group of neurological disordersthat selectively affect motor neurons, the cells that control voluntary musclesof the body.[3] Other motor neuron diseases include primary lateral sclerosis(PLS), progressive muscular atrophy(PMA), progressive bulbar palsy, pseudobulbar palsy, and monomelic amyotrophy(MMA).
Adrenoleukodystrophy (ALD) is a disease linked to the X chromosome. It is a result of fatty acid buildup caused by failure of peroxisomal fatty acid beta oxidation which results in the accumulation of very long chain fatty acids in tissues throughout the body.
RXNO:0000006. Diels–Alder reaction, simplest example. In organic chemistry, the Diels–Alder reaction is a chemical reaction between a conjugated diene and a substituted alkene, commonly termed the dienophile, to form a substituted cyclohexene derivative. It is the prototypical example of a pericyclic reaction with a concerted mechanism.
Adrenoleukodystrophy, a disease linked to the X chromosome. Alcoholic liver disease. Aldolase or ALD, an enzyme occurring naturally in animals. Assistive listening device used to improve hearing ability. Atomic layer deposition, a thin-film deposition technique. Asymmetric Laplace distribution, in probability theory and statistics.