Oxygenation of water in a fishing tub (2) without the need for heavy weights and any restrictions on fishing. A special thin-walled aeration insert (1) with oxygenation is placed in the fishing vat (2), which is not self-supporting, but copies the walls (12) and bottom (11) of the fishing vat (2). B.....
[更多]
 |
Hizmet Movement作者/Author: Muhammed Cetin出版社/Publisher: Nile Publishing
[更多]
Base station antennas, set up to support wireless communications, abound in our surroundings but they are regarded by many as a health threat and therefore avoided. To mitigate the aversion felt towards base station antennas, the antennas are often hidden or camouflaged from the sight of passers-by......
[更多]
Sufism and Islam. Faith. Religion作者/Author: Ibrahim Ozdemir出版社/Publisher: Nile Publishing
[更多]
Reducing the size and weight of electrical / electronic equipment often gives rise to parasitic effects such as ringing and resonance, which are particularly disrupting to high-frequency circuits or systems. To address that problem, CityU researchers have developed a device capable of improving the .....
[更多]
| |< <- | [1888] [1889] [1890] [1891] [1892] [1893] [1894] [1895] [1896] [1897] [1898] | -> >| |
