英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Polyethylene - Wikipedia
    Polyethylene or polythene (abbreviated PE; IUPAC name polyethene or poly (methylene)) is the most commonly produced plastic [7] It is a polymer, primarily used for packaging (plastic bags, plastic films, geomembranes and containers including bottles, cups, jars, folders, etc )
  • Polyethylene (PE) | Properties, Structures, Uses, Facts | Britannica
    Polyethylene, light, versatile synthetic resin made from the polymerization of ethylene Polyethylene is a member of the important family of polyolefin resins It is the most widely used plastic in the world, being made into products ranging from clear food wrap and shopping bags to detergent bottles and fuel tanks
  • Polyethylene: Structure, Properties, Types, Uses - Science Info
    Polythene can therefore be thought of as a partly crystalline plastic A polymer’s density and chemical stability increases with its crystallinity The majority of polyethylene varieties, including LDPE, MDPE, and HDPE, have extremely good chemical resistance to acids and alkalis
  • What Are Polyethylene Plastics: Types, Differences Uses
    Polyethylene plastics are versatile polymers widely used in packaging, construction, and consumer goods, prized for durability and chemical resistance
  • Polyethylene - New World Encyclopedia
    Polyethylene (PE), also known as polyethene (IUPAC name) or polythene, is a major group of thermoplastic polymers, produced by the polymerization of ethylene Depending on the polymerization process used, various types of polyethylene with differing properties can be obtained
  • POLYTHENE Definition Meaning - Merriam-Webster
    To prevent the needless destruction of Morinda trees, the foundation experimented with growing saplings in polythene bags in its nursery and harvesting the roots after about eight to 10 months
  • Polyethylene (PE) Plastic: Properties, Uses Application
    Get detailed technical information on Polyethylene (PE) Advantages disadvantages, properties, features, uses and its applications Complete updated guide
  • POLYTHENE definition and meaning | Collins English Dictionary
    Polythene is a type of plastic made into thin sheets or bags and used especially to keep food fresh or to keep things dry
  • What is polythene? - Formula Definition | CK-12 Foundation
    Polythene is formed through the polymerization of the monomer ethene (C2H4), hence its name poly-ethene It is lightweight, strong, durable and resistant to moisture and it is often used for packaging, plastic bags, bottles and containers, coating and insulation, among other uses
  • What is Polythene? The Short Answer… - NPF Packaging
    Polythene has unique properties which set it apart from the plastic used to make consumer goods It is highly flexible, but super strong – meaning it can be made into thin sheets or bags that are super lightweight, but can hold countless times their own weight





中文字典-英文字典  2005-2009