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English: Active indirect water heater. 1: Municipal water feed 2: Fluid from water storage tank to external (passive) heat source; passive heat source can be the ground (soil or groundwater), sun or air; eg via heat pump, or thermodynamic solar panel 3: Fluid from heat pump, or thermodynamic solar panel to water storage tank 4: Pump, actuator, controller and other parts 5: Water heater 6 ...
Thermosyphon circulation in a simple solar water heater (not a working model; there is no water supply to replenish the tank when the tap is used). A thermosiphon (or thermosyphon) is a device that employs a method of passive heat exchange based on natural convection, which circulates a fluid without the necessity of a mechanical pump.
Phalaenopsis (/ ˌ f æ l ɪ ˈ n ɒ p s ɪ s /), also known as moth orchids, [2] is a genus of about seventy species of plants in the family Orchidaceae.Orchids in this genus are monopodial epiphytes or lithophytes with long, coarse roots, short, leafy stems and long-lasting, flat flowers arranged in a flowering stem that often branches near the end.
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Phalaenopsis is a plant of the orchid genus Phalaenopsis and an endemic species to Philippines. It is commonly cultivated as a decorative houseplant. It is an epiphytic herb with long, thick roots, and mottled, fleshy leaves, and large, pink flowers. Mature plants can produce more than 100 flowers. . [1] [2]
Phalaenopsis amabilis, commonly known as the moon orchid, moth orchid, [7] or mariposa orchid, [8] is a species of flowering plant in the orchid family Orchidaceae. It is widely cultivated as a decorative houseplant .
Phalaenopsis taenialis, also known as 小尖囊蝴蝶兰 (xiao jian nang hu die lan) in Chinese, [2] is a species of epiphytic orchid occurring from the eastern Himalaya to China . [1] The specific epithet taenialis is derived from the long, flattened roots, which resemble tapeworms. [ 3 ]
Phalaenopsis deliciosa is a species of orchid occurring from the Indian subcontinent to Malesia and China. [4] The species is a miniature epiphytic herb. The leaves ...