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The polyurethane urea elastomer ( PUU ), or poly (urethane urea) elastomer, is a flexible polymeric material that is composed of linkages made out of polyurethane and polyurea compounds. Due to its hyperelastic properties, it is capable of bouncing back high-speed ballistic projectiles as if the material had “hardened” upon impact.
Plutonium–gallium alloy (Pu–Ga) is an alloy of plutonium and gallium, used in nuclear weapon pits, the component of a nuclear weapon where the fission chain reaction is started. This alloy was developed during the Manhattan Project. Overview allotropes. The δ ...
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Projective unitary group. In mathematics, the projective unitary group PU (n) is the quotient of the unitary group U (n) by the right multiplication of its center, U (1), embedded as scalars. Abstractly, it is the holomorphic isometry group of complex projective space, just as the projective orthogonal group is the isometry group of real ...
Polyethylene terephthalate (or poly (ethylene terephthalate), PET, PETE, or the obsolete PETP or PET-P ), is the most common thermoplastic polymer resin of the polyester family and is used in fibres for clothing, containers for liquids and foods, and thermoforming for manufacturing, and in combination with glass fibre for engineering resins. [5]
Plutonium(III) phosphide is a binary inorganic compound of plutonium and phosphorus with the formula PuP. Synthesis Fusion of excess phosphorus and powdered plutonium, followed by distillation of unreacted phosphorus: 4 Pu + P 4 → 4 PuP Passing phosphine through heated plutonium hydride: ...
Human penis. In human anatomy, the penis ( / ˈpiːnɪs /; pl.: penises or penes; from the Latin pēnis, initially "tail" [1]) is an external male sex organ ( intromittent organ) that additionally serves as the urinary duct. The main parts are the root, body, the epithelium of the penis including the shaft skin, and the foreskin covering the glans.
Pu Shu (simplified Chinese: 朴树; traditional Chinese: 樸樹; pinyin: Pǔ Shù) (born 1973) is a Chinese singer-songwriter born in Nanjing and grew up in Beijing. He became the first mainland singer signed with Warner Music Group in 1999 after releasing his debut album "I am going to 2000".
