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Lecture

Cantilever Truss: Trellis Structures Analysis

Related concepts (24)

Mannich reaction

In organic chemistry, the Mannich reaction is a three-component organic reaction that involves the amino alkylation of an acidic proton next to a carbonyl () functional group by formaldehyde () and a primary or secondary amine () or ammonia (). The final product is a β-amino-carbonyl compound also known as a Mannich base. Reactions between aldimines and α-methylene carbonyls are also considered Mannich reactions because these imines form between amines and aldehydes. The reaction is named after Carl Mannich.

Independent State of Croatia kuna

The kuna was the currency of the Independent State of Croatia in the period between 1941 and 1945 during World War II. The word kuna means "marten" in Croatian and the same name is used for the modern Croatian kuna currency, which was later replaced with the euro. This kuna was subdivided into 100 banica. It was preceded and replaced by the Yugoslav dinar. The Croatian kuna was introduced in the Independent State of Croatia (NDH) on 26 July 1941.

Lattice (order)

A lattice is an abstract structure studied in the mathematical subdisciplines of order theory and abstract algebra. It consists of a partially ordered set in which every pair of elements has a unique supremum (also called a least upper bound or join) and a unique infimum (also called a greatest lower bound or meet). An example is given by the power set of a set, partially ordered by inclusion, for which the supremum is the union and the infimum is the intersection.

Diver propulsion vehicle

A diver propulsion vehicle (DPV), also known as an underwater propulsion vehicle, sea scooter, underwater scooter, or swimmer delivery vehicle (SDV) by armed forces, is an item of diving equipment used by scuba divers to increase range underwater. Range is restricted by the amount of breathing gas that can be carried, the rate at which that breathing gas is consumed, and the battery power of the DPV. Time limits imposed on the diver by decompression requirements may also limit safe range in practice.

Related concepts (24)

Mannich reaction

Independent State of Croatia kuna

Lattice (order)

Diver propulsion vehicle