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An X-ray generator generally contains an X-ray tube to produce the X-rays. Possibly, radioisotopes can also be used to generate X-rays. [1]An X-ray tube is a simple vacuum tube that contains a cathode, which directs a stream of electrons into a vacuum, and an anode, which collects the electrons and is made of tungsten to evacuate the heat generated by the collision.
The Pakistani rupee depreciated against the US dollar until around the start of the 21st century, when Pakistan's large current-account surplus pushed the value of the rupee up versus the dollar. Pakistan's central bank then stabilized by lowering interest rates and buying dollars, in order to preserve the country's export competitiveness.
The pharmaceutical industry in Pakistan was estimated to be worth Rs. 748 billion (US$2.6 billion) in 2023, representing about 1% of the country's GDP. [1] The industry is largely import-dependent, with more than 90% of raw material being imported and only 12% of active pharmaceutical ingredients locally produced. [1]
The metal silver (formerly necessary to the radiographic & photographic industries) is a non-renewable resource although silver can easily be reclaimed from spent X-ray film. [8] Where X-ray films required wet processing facilities, newer digital technologies do not. Digital archiving of images also saves physical storage space. [9]
Digital radiography is a form of radiography that uses x-ray–sensitive plates to directly capture data during the patient examination, immediately transferring it to a computer system without the use of an intermediate cassette. [1]
The site compared 100 of the biggest US cities on entertainment, food, costs, safety, and accessibility. Check out the top five cities to count down to 2025 here.
For Christmas this year, Kaylee Hulse and her family decided to prank her grandma by "borrowing" items from her house and gifting them to her
The Dow and S&P 500 recorded losses for the week, but the Nasdaq got a boost from big tech. Broadcom's valuation hit $1 trillion for the first time.