behind the software : TuneUp Utilities 2010 v9.0.2020.2 Final

TuneUp Utilities 2010 v9.0.2020.2 Final is created to optimized your window and solving your PC problem.

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• Effective help in solving standard Windows problems
• Fully-automatic clean-up and improvement of your PC
• Quick and extensive clean-up for hard drives
• Secure data recovery and data elimination
• Extensive clean-up of the registry
• Individual Windows styling
• Effective elimination of junk data
• Simple custom Windows configuration
• Powerful hard drive defragmentation
• Optimum start-up, Internet, and Windows acceleration

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behind the day

Ford's new Taurus-based squad car is set to replace the venerable Crown Victoria in police fleets across the country.

With EcoBoost V6 power and all-wheel drive, the new purpose-built Police Interceptor is a departure from the traditional rear-wheel-drive, V8 Crown Vics which have been a mainstay of police fleets for more than 15 years.

The new Ford cop car gets two motors: the 3.5-liter V6 EcoBoost with 365 hp and 350 lb-ft of torque and a naturally aspirated 3.5-liter V6 making 263 hp. They're paired with a six-speed automatic. The shifter is column-mounted. It comes in front-wheel and all-wheel drive models.

The squad car is also loaded with new features from the Blue Oval's technology bin, including Sync, blind-spot detection, cross-traffic alert, a rearview camera and standard stability control. It's also laden with safety technology, including a side-curtain airbag rollover-protection system. The car was tested by the Michigan State Police and the Los Angeles Country Sheriff department.

The brakes are larger and work in concert with standard 18-inch steel wheels for ventilation. Engine cooling is improved, and the interior is redesigned from the street car. Most notably, the front seats have a lower bolster for officers' utility belts, and there's an antistab plate to protect front-seat occupants.

It's also easier to load perps into the backseat: The rear doors swing open 10 degrees more to accommodate entry and exit, especially in handcuffs.

behind the physics : x-rays and XRD

when electrons were accelerated by a high voltage in vacuum tube and allowed to strike or metal surface inside the tube, fluorescent mineral some distance away would glow and photographic film would become expose. this called X-rays which typically used voltage in range 30kV - 150kV.
Experiment show that x-rays not be defected by electric or magnetic fields and hence indicated that they were not charged particle. They also not show diffraction or interference effects using ordinary grating (grating spacing of 10 micrometer). Max Von Laue suggested that if the atoms in a crystal were arranged in a regular array, such a crystal might serve as a diffraction grating for a very short wavelength in order spacing between atom approximately 10 amstrong.
Experiment also show that x-rays scattered from a crystal did indeed show the peak and valleys of diffraction pattern. Thus, it was shown that x-rays have a wave nature and that the atom are arranged in a regular way in crystal. Nowadays, x-rays known as electromagnetic radiation