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With a switched-mode PSU the switching frequency can be chosen to keep the noise out of the circuits working frequency band (e.g., for audio systems above the range of human hearing) Electronic noise at the input terminals: Causes harmonic distortion to the input AC, but relatively little or no high-frequency noise.
The Las Vegas Strip is a stretch of Las Vegas Boulevard immediately south of the city of Las Vegas in Clark County, Nevada.The Strip is known for its concentration of casinos and resort hotels, including the 43-story Mandalay Bay southwest of its intersection with Mandalay Bay Road, in the unincorporated town of Paradise.
Location of the psa genes in the chloroplast genome of Arabidopsis thaliana.The 21 protein-coding genes involved in photosynthesis are displayed as green boxes. Photosystem I (PSI, or plastocyanin–ferredoxin oxidoreductase) is one of two photosystems in the photosynthetic light reactions of algae, plants, and cyanobacteria.
Cobalt-based alloys are also corrosion- and wear-resistant, making them, like titanium, useful for making orthopedic implants that do not wear down over time. The development of wear-resistant cobalt alloys started in the first decade of the 20th century with the stellite alloys, containing chromium with varying quantities of tungsten and carbon.
Honey is a sweet and viscous substance made by several species of bees, the best-known of which are honey bees. [1] [2] Honey is made and stored to nourish bee colonies.Bees produce honey by gathering and then refining the sugary secretions of plants (primarily floral nectar) or the secretions of other insects, like the honeydew of aphids.
Bering Sea Gold is an American reality series that was first broadcast on Discovery Channel on January 27, 2012. The show follows miners as they try to mine gold in Nome, Alaska, in the summer as well as winter season.
[166]: 147 They do not prioritize environmental protection. [166]: 144 The SDGs include three environment-focused SDGs, which are Goal 13, 14 and 15 (climate, land and oceans), but there is no overarching environmental or planetary goal. [166]: 144 The SDGs do not pursue planetary integrity as such.
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