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1 day ago · Thorium is a weakly radioactive light silver metal which tarnishes olive gray when it is exposed to air, forming thorium dioxide; it is moderately soft and malleable and has a high melting point. Thorium is an electropositive actinide whose chemistry is dominated by the +4 oxidation state; it is quite reactive and can ignite in air when finely ...
1 day ago · Xenon is a competitive inhibitor of the serotonin 5-HT 3 receptor. While neither anesthetic nor antinociceptive, this reduces anesthesia-emergent nausea and vomiting. [159] Xenon has a minimum alveolar concentration (MAC) of 72% at age 40, making it 44% more potent than N 2 O as an anesthetic. [160]
1 day ago · This is the day when Hindu, Jain and Sikh temples and homes are aglow with lights, thereby making it the "festival of lights". The word Deepawali comes from the Sanskrit word deep, which means an Indian lantern/lamp. [48][133] A sparkling firecracker, commonly known as 'Kit Kat' in India.
1 day ago · discharge parameters (local value of current density and electric field, temperature, etc. – note the color variation along the discharge in the top row); gas purity (even small fraction of certain gases can affect color);
1 day ago · Fogponics is a derivation of aeroponics wherein the nutrient solution is aerosolized by a diaphragm vibrating at ultrasonic frequencies. Solution droplets produced by this method tend to be 5–10 μm in diameter, smaller than those produced by forcing a nutrient solution through pressurized nozzles, as in aeroponics.
1 day ago · Africa. Africa is the world's second-largest and second-most populous continent after Asia. At about 30.3 million km 2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth 's land area and 6% of its total surface area. [9] With nearly 1.4 billion people as of 2021, it accounts for about 18% of the world's human population.
1 day ago · The Three Gorges Dam in Central China is the world's largest power-producing facility of any kind. Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies 14% of the world's electricity, almost 4,210 TWh in 2023, [1] which is more than all other renewable sources combined and also ...