With the the society's advancement, rapid development of freeway ,and the gradual implementation of the intelligent traffic system(ITS),The monitoring system of the freeway has already become the focus of investment in building freeway.
With the rapid transit development of China's highway, more large span bridge was needed to span great rivers and bays, PC continuous rigid frame bridge emerged as the times require and was developed fleetly in recent years.
With the rapid development of civil engineering technology, electromechanical integration technology, computer technology, automation technology, electronic technology, material technology, the machine's design, manufacture, operation & control technology, and construction equipments and construction management improved accordingly.
With the rapid development of highway in our country recently years, the questions of driving safety on highway have caught people's eyes progressively. Improving skid resistance performance and decreasing traffic accidents have been regarded as a hotspot-issue of asphalt pavement study.
The use of time-frequency methods (phase space methods) allows the use of rough symbols of ultra-rapid growth in place of smooth symbols in the standard classes.
The pharmaceutical sciences are advancing rapidly in the post-genomic era of the 21st century with the completion of the human genome, as well as those of many other organisms including bacteria and parasites, and the rapid advances in proteomics.
The α-isomer exhibited rapid and significantly higher peak plasma concentrations in all the species post intramuscular administrations, while β-isomer showed prolonged plasma levels.
This suggests that the rapid initial reduction in percent parasitemia may be due to α- isomer and the activity is maintained by the β- isomer.
Flavonoid antioxidants act as scavengers of free radicals by rapid donation of a hydrogen atom.