Investigation and Protection of city buildings of different periods – Taking Fuzhou as an Example

In the ancient city Fuzhou, a political stronghold and trading port, the foreign and traditional culture combine to shape a unique architectural form and block style. Through literature inquiries, field investigation, interviews with well-known experts and lessons from failure cases, the author proposes a creative and sustainable protection measure, the « old Museum of Architecture protected areas », to the unique historical …

Primary Study on Discoloration of Stalactites in Hu-Tian Palace

Karst caves are scarce and valuable natural resources of enormous economic significance. Normally, cave inner environment remains subtly stable; however, inappropriate exploitation may lead to ecological changes, even destruction of the landscape. Hu-Tian Palace, a well-known karst cave in China, is a typical case. After storing liquor for years, a thick layer of materials appeared on stalactites and gradually changed …

Design of Water Rocket Launcher of Electric Pump in a Double – Layer Orbits

In order to improve the track directivity in the launching process of water jacket, it innovatively adopts double- orbits design, of which, the circular inner orbits and the square outer orbits are used to stabilize the projectile body and tail fins, respectively. By using the design, it can not only improve the directivity of launching trajectory, but also solve the …