jahda4@163.com

  • jahda4@163.com이(가) 업데이트를 게시했습니다 3 년, 7 개월 전

    As the world gets hotter, scenes like these will become increasingly common. Buying a VRF air conditioner is perhaps the most popular individual response to climate change, and air conditioners are almost uniquely power-hungry appliances: a small unit cooling a single room, on average, consumes more power than running four fridges, while a central…[더 보기]

  • jahda4@163.com이(가) 업데이트를 게시했습니다 3 년, 7 개월 전

    There are so many different types of seals out there that it might be hard to understand all the different terminologies and functions. In this article, we give you our guide to what rod seals are, how they are manufactured and why you should choose rod seals from Martin’s Rubber.

    Rod seals are often the decisive factor in ensuring t…[더 보기]

  • jahda4@163.com이(가) 업데이트를 게시했습니다 3 년, 7 개월 전

    Thanks to the existence of contact lenses, it can sometimes be impossible to tell if someone has a visual impairment or not. These lenses can make huge differences to the lives of their wearers, providing a certain level of freedom that traditional glasses are unable to.

    According to the Centers for Disease Control and Prevention…[더 보기]

  • jahda4@163.com이(가) 업데이트를 게시했습니다 3 년, 7 개월 전

    So, what is a seed tray?  A seed tray is a container used to sow multiple seeds at once.  After seed germination, seedlings grow in the seedling tray until they are large enough for transplant.  A single seed tray can hold anywhere from 6 seeds to over 1000 seeds!

    Of course, when choosing a seed tray, there are lots of options for the…[더 보기]

  • jahda4@163.com이(가) 업데이트를 게시했습니다 3 년, 7 개월 전

    The researchers conducted tests using an inflatable beach ball, a pair of swimming armbands and two bathing rings they bought off the shelf from local stores and online suppliers in Germany.(Shutterstock)

    HEALTH

    Are stinky inflatable kids' toys putting your kids at risk? Here’s what a study found

    The researchers expressed c…[더 보기]

  • jahda4@163.com이(가) 업데이트를 게시했습니다 3 년, 7 개월 전

    There are a wide variety of products that are produced using wire rope. The demand for wire rope products is due to its strength, durability, and reliability. Since the basic purpose of wire rope is to lift and move heavy materials and items, the most common type of wire rope product is the wire rope sling.

  • jahda4@163.com이(가) 업데이트를 게시했습니다 3 년, 7 개월 전

    Cosmeceuticals are the fastest growing sector of the cosmetic industry, and the future of antiaging cosmeceuticals in particular is very promising. Botanical pesticide that support the health, texture, and integrity of the skin, hair, and nails are widely used in cosmetic formulations. They form the largest category of cosmeceutical additives…[더 보기]

  • jahda4@163.com이(가) 업데이트를 게시했습니다 3 년, 7 개월 전

    This chapter presents various types of pipe fittings. Of all the fittings, the elbow is the one most often used. Simply put, the elbow, or ell, is used when a pipe changes direction. Elbows can turn up, down, left, right, or any angle in between. When one finds it necessary to draw a 90° elbow or calculate how much space it will occupy in a…[더 보기]

  • jahda4@163.com이(가) 업데이트를 게시했습니다 3 년, 7 개월 전

    Smart LED bulbs aren’t quite a commodity, but they are getting close to maturity as far as the market goes. Today’s bulbs are more compact, much brighter, have better color representation, and, for the most part, feature control apps that do more than ever and are easier to set up. Prices have also come down, with some no-name color-tunable bul…[더 보기]

  • jahda4@163.com이(가) 업데이트를 게시했습니다 3 년, 7 개월 전

    DIY projects allow you to achieve the result that you desire. Utilizing your skills and artistic talents is related to this matter, and it’s also a way to save some bucks. With regards to this, many boaters can manage how to build a boat bench seat by themselves.

    You may have wood for building boat seats. Some upgrades can be done b…[더 보기]

  • jahda4@163.com이(가) 업데이트를 게시했습니다 3 년, 7 개월 전

    A temperature sensor has been developed using an embedded system and a sensor head made of polymer-derived SiAlCN ceramics (PDCs). PDC is a promising material for measuring high temperature and the embedded system features low-power consumption, compact size, and wireless temperature monitor. The developed temperature sensor has been…[더 보기]

  • jahda4@163.com님이 등록된 회원으로 됐습니다 3 년, 7 개월 전