搜尋結果
Polypropylene ( PP ), also known as polypropene, is a thermoplastic polymer used in a wide variety of applications. It is produced via chain-growth polymerization from the monomer propylene . Polypropylene belongs to the group of polyolefins and is partially crystalline and non-polar.
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.
The Great Pacific garbage patch (also Pacific trash vortex and North Pacific garbage patch [1]) is a garbage patch, a gyre of marine debris particles, in the central North Pacific Ocean. It is located roughly from 135°W to 155°W and 35°N to 42°N. [2] .
A mix of impoverished individuals and the desire for more wealth creates an environment for human traffickers to benefit in the Southeast Asia region. Many nations within the region have taken preventive measures to end human trafficking within their borders and punish traffickers operating there.
The Great Stalacpipe Organ is an electrically actuated lithophone located in Luray Caverns, Virginia, USA. Covering 3.5 acres of the cavern, it is considered the world's largest instrument by Guinness World Records. [1]
Dioctyl adipate ( DOA) is an organic compound with the formula (CH 2 CH 2 CO 2 C 8 H 17) 2. It is a colorless oily liquid . As well as related diesters derived from 2-ethylhexanol, decanol, isodecanol, etc., it is used as a plasticizer. [2] [3] DEHA is sometimes incorrectly called dioctyl adipate.
The 2004 Indian Ocean earthquake was unusually large in geographical and geological extent. An estimated 1,600 km (1,000 mi) of fault surface slipped (or ruptured) about 15 m (50 ft) along the subduction zone where the Indian Plate slides under (or subducts) the overriding Burma Plate.
