资讯

Failed 3D prints are a natural part of the process, often due to clogged nozzles, bed adhesion issues, or slicing errors.
In a nutshell Scientists engineered a self-sustaining system using cyanobacteria and fungi that can grow on Martian soil ...
As Kenya's Faith Kipyegon prepares for a record-breaking run to crown her the first woman in history to run a four-minute ...
As Kenya's Faith Kipyegon prepares for a record-breaking run to crown her the first woman in history to run a four-minute mile, we take a look back at the women who have come close.
Faith Kipyegon will attempt to break the magical 4-minute barrier for the mile in a specially organised attempt at the Stade ...
A series of biocomposite materials was successfully prepared by reinforcing advanced calcium phosphate cement with hydroxyapatite fibrous and elongated plate-like particles. Powder X-ray diffraction ...
Premier Wen Jiabao presided over an executive meeting of the State Council on August 26 to curb overcapacity and redundant construction, and guide the healthy development of industries. To cope with ...
A novel three-dimensional (3D) printed double-ridge waveguide fed parallel-plate horn antenna array is presented for the fifth-generation (5G) millimeter-wave all-band coverage. By loading hourglass ...