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why are amino acids called amino acids course hero
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Resining a guitar involves applying a synthetic resin coat to its surface, enhancing its durability and aesthetic appeal. Begin by choosing a well-ventilated area and gathering materials: epoxy resin, hardener, mixing tools, and protective gear. First, gently sand the guitar to remove imperfections and ensure the resin adheres properly. Mix the resin and hardener according to the product instructions. Pour the mixture slowly over the guitar, using a spatula or brush to spread evenly, covering all surfaces. Let it cure as directed, typically 24-72 hours. After curing, sand any rough spots and apply a polishing compound for a glossy finish. This process not only protects the guitar but can also add a personal touch with colors or embedded objects.
Self-healing polymers are a class of smart materials that have the ability to repair themselves after damage, extending their lifespan and utility. These polymers work through a variety of mechanisms.
1. **Intrinsic Self-Healing**: Here, the material itself has an inherent ability to repair without any external trigger. This is often achieved through reversible bonds within the polymer structure, such as hydrogen bonding or metal-ligand interactions, which can break and reform to heal the material.
2. **Extrinsic Self-Healing**: Requires some form of external trigger to initiate the healing process. This could involve embedded microcapsules that release a healing agent when the polymer is damaged. The agent reacts with a catalyst distributed throughout the matrix, repairing the material. Another approach is the introduction of vascular networks that release healing agents upon damage, similar to the human blood clotting in wounds.
The efficiency of healing depends on the specific mechanism and the extent of damage, but innovations in this field are expanding the potential applications of these materials, from electronics to aerospace and biomedical devices.
In 2017, a popular location for farming Polymer Bundles in Warframe was on Venus, especially the mission node called Assur on Uranus. Both planets offer a high drop rate for Polymer Bundles, with Uranus missions generally yielding higher amounts because they are longer and have more enemies. The Infested Survival mission on Assur was particularly favored by players for this purpose, as the endless nature of survival missions allows for continuous farming as long as the player can survive. Teaming up with a squad equipped with resource-boosting Warframes like Nekros, who can desecrate enemies for additional loot drops, or Hydroid with his Pilfering Swarm augment, further increases the Polymer Bundle yield. Players also recommended checking the Warframe companion app or website for any resource drop chance boosters that might be active to optimize farming sessions.
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