In recent years, China has established many large water conservancy projects in the western mountainous areas.However, dam myle mini price foundation excavation produces a huge amount of waste rock mixture.A soil-rock mixture with unique structural characteristics can easily cause geological disasters, such as collapse, landslide, and debris flow f
Trace metals such as cadmium are found in high concentrations in urban environments.Animal and plant populations living in heavily contaminated environments could adapt to trace metals exposure.A recent study shows that urban populations of the acorn ant Temnothorax nylanderi are more resistant to cadmium than their forest counterparts.However, thi
Objective To analyze the clinical efficacy of thoracic paravertebral nerve block with ozone in the treatment of postherpetic neuralgia.Methods Eighty-five patients suffered postherpetic neuralgia were divided into 4 groups: Group A (oral drugs + intramuscular injection of vitamin B12 + local nerve block of lesion area), Group B (oral drugs + intram
The precision of the 137Cs fallout redistribution technique for the evaluation of soil erosion rates is strongly dependent on the quality of an average inventory taken at a representative reference site.The knowledge of the sources and of the degree of variation of the 137Cs fallout spatial distribution plays an important role on its use.Four ritua
Thanks to the conservation of the expense accounting of the Royal House of Isabel I of Castile (1492-1504), it is possible to analyze the consumption of silk, wool and uunipelti linen fabrics (excluding fabric with metal threads) by class status from the time of the discovery of America to the death of the queen.The most frequently used fabrics by