Hutnická 2918/3, 434 01 Most - Specializujeme se na dodávky a aplikace v oblasti těžkého průmyslu, zaměřujeme se na výrobu a optimalizaci řídicích systémů a…
Jednoúčelové stroje, průmyslové systémy. Dodávky komplexních systémů, výrobních linek, laboratorních jednotek a jednoúčelových strojů. Řídicí systémy a optimalizace výrobních procesů v různých oborech průmyslu.
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Inteligentní dům (centrální řízení, systém kombinovaného vytápění, zobrazení provozního stavu, řízení pohonů, vzdálený přístup) Řídicí systémy a IT Analyzátory kapalin (pH metry, měření vodivosti-konduktometry, fotometry (in line)
Have questions on our foldable bikes? View answers to frequently asked questions about Flatbike's products and space saving capabilities.
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WHY WOULD I WANT A FULL-SIZE BIKE TO FOLD IN HALF?In our customers’ own words, it’s life-changing. Freed from a car rack, any car is “the bike car”, even a taxi or Über. You’re also freed from the challenges of transporting a bike-sized object. Enjoy spontaneous drinks after work with your bike in a trunk. Concerns about your bike being stolen off a bike rack in the parking lot or on a car? Not anymore. Your bike lives inside between rides. Those cool trails you see driving past? When your bike is in the trunk, you can spontaneously stop and ride them. That’s portable adventure.HOW IS THIS BIKE DIFFERENT FROM OTHER FOLDING BIKES?First, a CHANGE bike is “normal sized”. Other folding bikes are optimized for folding, not riding. To fold down really small, they give up normal-sized wheels and the stability of a normal-sized frame. They may be zippy at low speeds for short distances; but for any distance riding, uphill riding, or downhill riding, the flex and small wheels make for an uncomfortable ride compared to a normal-sized bike. Second, a CHANGE bike is way safer. Folding bikes typically have the front and back connected by a single bar that’s cut in half–and then held back together with 4 possible points of failure: a weld, a latch, a hinge, and another weld. Yowza! Compare that to a CHANGE bike with a standard triangle frame, and no cut top tube, where the frame holds itself together with meshed teeth. No wonder it’s the only folding bike to bass ISO-4210 destruction testing.DOES RELIABILITY CERTIFICATION REALLY MATTER?The more you treat your bike like a “normal bike”, especially a mountain bike, the more certification is important. Basically, you want the frame and entire bike to be overstressed enough in testing that it can handle whatever you throw at it without cracking or failing. That stress includes these intensive tests:
Falling mass: Hold a 50 lb steel weight a yard above the frame and drop it.
Falling frame: Load the frame with 176 lbs of mass and tip it over. Onto an anvil.
Fatigue/pedals: Apply 270 lbs of pedaling force 100,000 times.
Fatigue/horizontal: Apply 270 lbs of horizontal force 50,000 times. It’s like standing on a lying-down bike (if you’re heavy enough).
Fatigue/vertical: Apply 270 lbs of vertical force to the frame 50,000 times. That’s a lot of jumps!
Typically you'll use this to calculate the gradient of a model's _error_ or _loss_ with respect to its weights." ] }, , "id": "cYKOi-z4GY9Y" }, "outputs": [], "source": [ "x = tf.Variable(1.0)\n", "\n", "def f(x):\n", " y = x**2 + 2*x - 5\n…