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The first enzyme of the PET degradation pathway, PETase, cleaves this plastic into the intermediates MHET (Mono-(2-hydroxyethyl)terephthalic acid) and minor amounts BHET (Bis-(2-hydroxyethyl)terephthalic acid). MHETase hydrolyses the ester bond of MHET forming terephthalic acid and ethylene glycol. Enzymatic PET degradation by PETase and MHETase
Crate training is the process of training a pet to tolerate confinement in a dog crate or cage. Crate advocates often claim that dogs are "den-dwelling" animals and that a crate can become a "den" substitute and a familiar and safe location for the pet. Most puppies can eventually tolerate crate training if it is introduced properly.
A dog trainer with the United States Navy, which primarily trains using positive reinforcement. [1] [2]Dog training is a kind of animal training, the application of behavior analysis which uses the environmental events of antecedents (trigger for a behavior) and consequences to modify the dog behavior, either for it to assist in specific activities or undertake particular tasks, or for it to ...
Training chickens has become a way for trainers of other animals (primarily dogs) to perfect their training technique. Bob Bailey, formerly of Animal Behavior Enterprises and the IQ Zoo , teaches chicken training seminars where trainers teach poultry to discriminate between shapes, to navigate an obstacle course and to chain behaviors together.
In engineering, a dog is a tool or part of a tool, such as a pawl, that prevents or imparts movement through physical engagement. [1] It may hold another object in place by blocking it, clamping it, or otherwise obstructing its movement.
World of Warcraft: Mists of Pandaria is the fourth expansion set for the massively multiplayer online role-playing game (MMORPG) World of Warcraft, following Cataclysm. It was announced on October 21, 2011, by Chris Metzen at BlizzCon 2011, [2] and was released on September 25, 2012. [1] Mists of Pandaria raised the existing level cap from ...
Clicker-training a dog. Clicker training is a positive reinforcement [1] animal training method based on a bridging stimulus (the clicker) in operant conditioning. The system uses conditioned reinforcers, which a trainer can deliver more quickly and more precisely than primary reinforcers such as food. The term "clicker" comes from a small ...
where n is the number of monomers in the polymer chain, though a trace amount of the PET breaks down instead to bis(2-hydroxyethyl) terephthalate (BHET). [1] PETases can also break down PEF-plastic ( polyethylene-2,5-furandicarboxylate ), which is a bioderived PET replacement, into the analogous MHEF .