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  • なな さんのプロフィールが更新されました。 3年, 10か月前

  • なな は登録ユーザーになりました 3年, 10か月前

  • meme tomo さんのプロフィールが更新されました。 3年, 10か月前

  • dnfsdd8aa87 が更新を投稿 3年, 10か月前

    What is Energy Storage Systems?

    Energy Storage Systems are the set of methods and technologies used to store energy. The stored energy can be drawn upon at a later time to perform useful operation.

    For instance, many renewable energy sources (such as wind, solar energy or solar energy, tides) are intermittent. Sometimes the use of renewable…[ 続きを読む ]

  • dnfsdd8aa87 が更新を投稿 3年, 10か月前

    Metal honeycomb substrates used in catalytic converters are made from extremely thin metal foil, typically with a thickness of just 0.05mm. By comparison the walls of a ceramic substrate may be four times thicker. For this reason, metal substrates offer less resistance to gas flow and therefore can accommodate a given flow rate with a lower…[ 続きを読む ]

  • dnfsdd8aa87 が更新を投稿 3年, 10か月前

    For a SBR Rail and Block or a TBR Rail and Block, there are many linear materials may be needed. Linear bearings are definitely one of them.

    Linear bearings generally use a pad, bushing, or roller system to carry a load on a rail that need not be a straight line. The rail can be most any length, although that dimension is limited by the…[ 続きを読む ]

  • dnfsdd8aa87 が更新を投稿 3年, 10か月前

    A cartooning machine, sometimes called a cartoner for short, is a type of packaging machine. Its sole purpose is to form cartons. Have you ever seen a milk carton? If you look at the average milk carton in the grocery store, a cartooning machine probably made it. A cartooning machine forms cartons that stand up straight, close, are folded,…[ 続きを読む ]

  • dnfsdd8aa87 が更新を投稿 3年, 10か月前

    Axial vs Centrifugal Fans

    There are two primary varieties of fan, axial fans and centrifugal fans. Pelonis Technologies, Inc. (PTI), a global leader in fan technology for more than 25 years, manufactures both axial and centrifugal fans. The design and function of a centrifugal fan is very different from those of an axial fan. Their differences…[ 続きを読む ]

  • dnfsdd8aa87 が更新を投稿 3年, 10か月前

    Slewing Bearings, or turntable bearings, are ball or roller style bearings composed of two concentric rings either of which may include a gear. This type of bearing enhances load support and power transmission in all directions, and is typically employed to support heavy loads for slow applications and large equipment such as earth excavators and…[ 続きを読む ]

  • dnfsdd8aa87 が更新を投稿 3年, 10か月前

    Nowadays, PPR is the most commonly used material for pipes and fittings. PPR is a random copolymer polypropylene. In winter, the flexibility of PPR water pipes will decrease, while the rigidity will increase and flatten. If the pipe is impacted by an external force, the surface of the pipe will crack more seriously.

    Therefore, PPR Pipe…[ 続きを読む ]

  • dnfsdd8aa87 が更新を投稿 3年, 10か月前

    A Backup Battery Unit, or uninterruptible power supply (UPS), is primarily used to provide a backup power source to important desktop computer hardware components. In most cases, those pieces of hardware include the main computer housing and the monitor, but other devices can be plugged into a UPS for backup power, depending on the size of the…[ 続きを読む ]

  • まみ さんのプロフィールが更新されました。 3年, 10か月前

  • dnfsdd8aa86 が更新を投稿 3年, 10か月前

    Yard art is basically a blanket term for ornamental decor that decorates a residential or public lawn or yard. Different types of yard art include lawn sculptures, which may be made from various materials such as metal or cast iron, or lawn statues representing various art, animals, Yard Cups or designs. Some lawn art may depict special occasions…[ 続きを読む ]

  • dnfsdd8aa86 が更新を投稿 3年, 10か月前

    A vacuum flask (also known as a Dewar flask, Dewar bottle or thermos) is an insulating storage vessel that greatly lengthens the time over which its contents remain hotter or cooler than the flask’s surroundings. Invented by Sir James Dewar in 1892, the vacuum flask consists of two flasks, placed one within the other and joined at the neck. The…[ 続きを読む ]

  • dnfsdd8aa86 が更新を投稿 3年, 10か月前

    A button is a fastener that joins two pieces of fabric together by slipping through a loop or by sliding through a buttonhole. In modern clothing and fashion design, buttons are commonly made of plastic but also may be made of metal, wood, or seashell. Buttons can also be used on containers such as wallets and bags. Buttons may be sewn onto…[ 続きを読む ]

  • dnfsdd8aa86 が更新を投稿 3年, 10か月前

    Molds, various molds and tools used in industrial production to obtain the desired products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods. In a nutshell, a mold is a tool used to make a shaped item, this tool is made up of various parts, and different molds are made up of different…[ 続きを読む ]

  • dnfsdd8aa86 が更新を投稿 3年, 10か月前

    An LED light or LED light bulb is an electric light that produces light using light-emitting diodes (LEDs). LED lamps are significantly more energy-efficient than equivalent incandescent lamps and can be significantly more efficient than most fluorescent lamps. The most efficient commercially available LED lamps have efficiencies of 200 lumens per…[ 続きを読む ]

  • dnfsdd8aa86 が更新を投稿 3年, 10か月前

    Stationery box, a box that students use to store pens, pencils, rulers, erasers and other stationery. There are many types of textures, generally wood, iron, plastic and other products, with different shapes, mostly cuboid.
    Iron stationery boxes generally do not have too fancy patterns on them. Compared with wooden and plastic stationery boxes,…[ 続きを読む ]

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