Light can be said to be an energy. Aquatic plants use light energy, carbon dioxide and water for photosynthetic action, and the production of nutrients such as glucose is required for the supply of water, and the by-product is oxygen. This oxygen is sufficient to provide the fish's breathing needs. Similarly, some algae or so-called symbiotic algae (Zooxanthellae) in seawater biological tanks grow by light, and provide soft organisms (corals, invertebrates) and the like. Therefore, whether water plants or seawater biological water tanks need to be artificially provided with appropriate amount of carbon dioxide (CO2) combined with light energy for photosynthesis, symbiotic algae and plants to breed or grow, fish or seawater organisms or breathing or feeding algae, light Can be passed on to form a symbiotic food chain.
Conversely, if plants or algae lack light energy, they will fade or die directly and die. In contrast, fish or seawater creatures have no attachment and are inevitably unable to escape the fate of death. Complete water grass or seawater bio-ecological tanks cannot be formed.
2. Understanding of natural light sources and artificial light sources
The light source of nature takes sunlight. Therefore, both land and marine life can absorb this light energy and pass it along with the food chain to survive and grow. In the same way, the ecological tank that creates a tank of aquatic plants or seawater creatures will inevitably lack the acquisition of light energy. However, the use of natural light sources in the aquarium at home is bound to be difficult. The source of sunlight is all-encompassing. Scientists can extract visible light such as red, orange, yellow, green, blue, sputum, and ultraviolet light from the spectrum of sunlight. The sun still has infrared light, ultraviolet light, X-ray, and thunder. Other invisible light that is invisible to the naked eye, such as light. Does the plant in nature receive the sun's light (visible and invisible) whether it is received by land or sea? Or the hypothesis that the plant has its own mechanism to eliminate other unnecessary light sources and to study or establish a certain part.
But science is changing with each passing day. Scientists analyze useful light sources from the source of continuous sunlight, and produce solar tubes, plant tubes, strong photosynthetic tubes, full-spectrum tubes, soft tubes, and crawler tubes. UV-cut lamps, fluorescent tubes such as PL tubes, and artificial light sources such as mercury lamps. Although the ecological tank system of aquatic plants or seawater organisms mimics the epitome of the natural ecology, it is only a simulation, and it is difficult to equate with the real image.
An Indoor Access Point is a device for wireless local area networks (WLAN) that provides wireless network coverage and connectivity. It can connect to a wired network and transmit data via a wireless signal, allowing users to connect to the network wirelessly within coverage.
Indoor access points come in a variety of different types and specifications to suit different scenarios and needs. Here are some common types of indoor access points:
1. Single Band Access Point: A single band access point operates in the 2.4GHz band and typically provides a maximum transfer rate of 300Mbps. This type of access point is suitable for small office or home networks because the 2.4GHz band has better penetration and coverage, but a relatively low transfer rate.
2. Dual Band Access Point: The dual band access point supports both 2.4GHz and 5GHz bands, providing higher transmission rates and better performance. The 5GHz band has more interference free channels than the 2.4GHz band, which can provide faster speeds and more stable connections. Dual-frequency access points are suitable for medium sized offices, malls or hotels.
3. Lightweight Access Point: A lightweight access point is a wireless network device that needs to be used with a network controller. Lightweight access points do not have independent management functions themselves, but are centrally managed and configured via a network controller. This type of access point is suitable for large enterprises or organizations to enable centralized management and monitoring of the entire network.
4. Standalone Access Point: A standalone access point is a standalone device that has its own management and configuration functions and does not require additional network controllers. This type of access point is suitable for small businesses or individual users and can provide a simple and easy-to-use wireless networking solution.
5. Scalable Access Point: A scalable access point is a device that can scale on demand, increasing or decreasing the number of access points based on network demand. This type of access point is suitable for places that require flexible scaling, such as large office buildings, schools, or hospitals.
In addition to the types listed above, there are some special purpose indoor access points, such as:
1. Wall-mounted Access Point: A wall-mounted access point can be plugged directly into a Wall power outlet without the need for an additional power cord. This type of access point is suitable for home networks or small offices and can provide easy installation and use.
2. Integrated Antenna Access Point: The antenna of the antenna access point is integrated into the device, and no additional antenna installation is required. This type of access point is suitable for sites that require simple installation and a nice look.
3. Multiple Antenna Access Point: Multiple antenna access points can achieve better signal coverage and performance through multiple antennas. This type of access point is suitable for large venues or high-density user environments, such as conference rooms, stadiums or airports.
To sum up, there are many different types and specifications of indoor access points, which can be selected according to different scenarios and needs. Whether it's a small office, home network or a large enterprise, you can achieve convenient wireless network coverage and connectivity through indoor access points.
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