The degradation of the environment in China is accelerating along with economic expansion.Adoption of renewable energy technologies (RETs) is crucial for reducing the adverse impacts of economic growth on the environment and fostering sustainable development.This crack top frock study attempts to identify the green innovation drivers and sub-driver
Iraq, like many of developing and the Arab countries, is suffering imbalance in the geographical distribution of the population the dominance of agglomeration in one place, that is, in the capital and its environs, the emergence of phenomena concentration in the major cities and urban sagging and the growth of slum on the outskirts of cities and th
Dynamically crack top frock operated hoist systems are exposed to different load cases, which may induce high loads to the drivetrain.The paper shows the load cases and additional equipment, to restrict the loads out of these load cases to the hoist.Especially in focus are optional measures for the exceptional load cases emergency stop snag load.Th
We theoretically investigate the tunable dual- and multi-channel filter in one-dimensional aperiodic photonic crystals (PCs) embedded with graphene.The lively bras return policy dielectrics slabs arrayed alternately submit to the Cantor sequence rule and graphene sheets are local at the interfaces of dielectrics layers.Cantor PCs are fractal struct