dfefde5

  • dfefde5이(가) 업데이트를 게시했습니다 2 주, 6 일 전

    If you’ve read our main article on batteries, you’ll know all about these portable power plants. An example of what scientists refer to as electrochemistry, they use the power of chemistry to release stored electricity very gradually.

    What happens inside a typical battery—like the one in a flashlight? When you click the power switch, you’re g…[더 보기]

  • dfefde5이(가) 업데이트를 게시했습니다 2 주, 6 일 전

    The most immediate impetus: concerns about the safe use of driver-assistance options like automatic lane-keeping that still require drivers to pay attention. And when truly autonomous vehicles finally arrive, the consensus among automakers and their suppliers is that new ways will be needed to check on drivers and passengers to make sure they are…[더 보기]

  • dfefde5이(가) 업데이트를 게시했습니다 2 주, 6 일 전

    This valve controls the expulsion of oil from the spring side of the second gear band servo piston at speeds in the region of 60 km/h. The time period for oil to exhaust then depends upon the governor pressure varying the effective exhaust port restriction. Line pressure oil from the spring side of the second gear band servo piston passes through…[더 보기]

  • dfefde5이(가) 업데이트를 게시했습니다 2 주, 6 일 전

    In addition to the mixing energy applied to the fresh concrete (i.e. shearing during mixing), the shear history after mixing is also important. This applies especially to binder rich concretes like the different types of high performance concrete (HPC). With this in mind, the shear rate is analyzed inside a drum of a concrete tank truck. The…[더 보기]

  • dfefde5이(가) 업데이트를 게시했습니다 2 주, 6 일 전

    A novel control strategy to improve energy efficiency and to enhance passengers’ thermal comfort of a new roof top bus multiple circuit air conditioning (AC) system operating on partial load conditions is presented. A novel strategy for automatic control of the AC system was developed based on numerous experimental test runs at various operating…[더 보기]

  • dfefde5이(가) 업데이트를 게시했습니다 2 주, 6 일 전

    In the early 2000s, automotive manufacturers unveiled the first plastic structural components for cars, which had the advantage of being more lightweight than their metal counterparts, unlocking improved fuel efficiency and cheaper production. Today, injection molding is now a dominant production method for manufacturing plastic car parts in the…[더 보기]

  • dfefde5이(가) 업데이트를 게시했습니다 2 주, 6 일 전

    Earrings, ornaments decorating the ears, have been one of the principal forms of jewelry throughout recorded history. The term usually refers to ornaments worn attached to the earlobes, though in the late twentieth century it expanded somewhat to include ornaments worn on other parts of the ear, such as ear cuffs, and is used to describe pieces of…[더 보기]

  • dfefde5이(가) 업데이트를 게시했습니다 2 주, 6 일 전

    It’s a common household problem. However, you have another problem. You have a wooden bathroom door and a metal knob. What’s the quickest way to reattach the two surfaces? Can you trust your tube of liquid nails to do the job?

    Liquid Nails can bond wood to metal. You can use some variations of liquid nails in construction projects and home imp…[더 보기]

  • dfefde5이(가) 업데이트를 게시했습니다 2 주, 6 일 전

    The concept of electricity arises from an observation of nature. We observe a force between objects, that, like gravity, acts at a distance. The source of this force has been given the name charge. A very noticeable thing about electric force is that it is large, far greater than the force of gravity. Unlike gravity, however, there are two types…[더 보기]

  • dfefde5이(가) 업데이트를 게시했습니다 2 주, 6 일 전

    Due to its versatility and wide range of applications, activated carbon is widely used as contaminant removal media. Recent research have focused on enhancing the effectiveness of activated carbon by modifying their specific properties in order to enable the carbon to develop affinity for certain contaminants. In view of this, a comprehensive list…[더 보기]

  • dfefde5이(가) 업데이트를 게시했습니다 2 주, 6 일 전

    WHO and its partners recommend the use of auto-disable syringes, “bundled” with the supply of vaccines when donor dollars are used, in all mass immunization campaigns, and also strongly advocate their use in routine immunization programmes. Because of the relatively high price of auto-disable syringes, WHO’s Technical Network for Logistics in…[더 보기]

  • dfefde5님이 등록된 회원으로 됐습니다 2 주, 6 일 전