Yahoo奇摩 網頁搜尋

  1. 不織布環保袋 相關

    廣告
  2. 經驗豐富的環保工程公司,專業研發真空乾燥壓濾機,製程原料、污泥脫水沒煩惱。 專業研發真空乾燥壓濾機,製程原料、污泥脫水沒煩惱。

  3. 輕質土 紙黏土 童玩 奶油土 顏料 樹脂土 木板 畫冊 吊飾 面具 環保

搜尋結果

  1. 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]

    • (C₁₀H₈O₄)ₙ
    • 10–50 kg/mol, varies
    • > 250 °C (482 °F; 523 K) 260 °C
    • Practically insoluble
  2. Polytetrafluoroethylene is a fluorocarbon solid, as it is a high- molecular-weight polymer consisting wholly of carbon and fluorine. PTFE is hydrophobic: neither water nor water-containing substances wet PTFE, as fluorocarbons exhibit only small London dispersion forces due to the low electric polarizability of fluorine.

    • (C₂F₄)ₙ
    • 0.25 W/(m·K)
    • 2200 kg/m³
    • 327 °C
  3. Green politics. Environment friendly processes, or environmental-friendly processes (also referred to as eco-friendly, nature-friendly, and green ), are sustainability and marketing terms referring to goods and services, laws, guidelines and policies that claim reduced, minimal, or no harm upon ecosystems or the environment. [1]

  4. en.wikipedia.org › wiki › PollutionPollution - Wikipedia

    Pollution is the introduction of contaminants into the natural environment that cause adverse change. [1] Pollution can take the form of any substance (solid, liquid, or gas) or energy (such as radioactivity, heat, sound, or light). Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring ...

  5. Sustainability is a social goal for people to co-exist on Earth over a long time. Definitions of this term are disputed and have varied with literature, context, and time. [2] [1] Sustainability usually has three dimensions (or pillars): environmental, economic, and social. [1]

  6. en.wikipedia.org › wiki › ThylacineThylacine - Wikipedia

    Thylacinus rostralis De Vis, 1893 [11] The thylacine ( / ˈθaɪləsiːn /; binomial name Thylacinus cynocephalus ), also commonly known as the Tasmanian tiger or Tasmanian wolf, is an extinct carnivorous marsupial that was native to the Australian mainland and the islands of Tasmania and New Guinea. The thylacine died out in New Guinea and ...

  7. 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. Its properties are similar to polyethylene, but it is slightly ...

  1. 其他人也搜尋了