The soil degradation caused by conventional tillage in rain-fed areas of northwest China is known to reduce the water-use efficiency and crop yield because of reduced soil porosity and the decreased availability of soil water and nutrients. Thus, we investigated the effects of straw incorporation on soil aggregates with different straw incorporation rates in semiarid areas of southern Ningxia f...

the goal of medicine is to prevent harm as hippocrates pointed out; “primum non nocere; first do no harm”. has this fact been taken into account in developing medical education curricula in asia? frequency of diseases in asia is different from high income countries (1, 2) and funds for research are lacking.  it is therefore important to allocate available funds to the most applicable issues to ...

Incorporation reactions play an important role in dictating immobilization and release pathways for chemical species in low-temperature geologic environments. Quantum-mechanical investigations of incorporation seek to characterize the stability and geometry of incorporated structures, as well as the thermodynamics and kinetics of the reactions themselves. For a thermodynamic treatment of incorp...