If a flexible screw is being used to convey the silica sand, it is important to use a screw that matches the silica sand's characteristics and other application requirements. Generally a screw with a round profile will be effective in moving a material with silica sand's features.
USES: Donepezil is used for the treatment of mild, moderate, or severe dementia associated with Alzheimer's disease. increased frequency of urination. stomach ulcers. MORE SERIOUS SIDE EFFECTS: Tacrine (Cognex), another anticholinesterase medication used in the treatment of Alzheimer's disease, is associated with liver toxicity.
b> Donepezil (Aricept) is the only Alzheimer's drug approved to treat all stages of the disease. It's taken once a day as a pill. ... The effectiveness of rivastigmine appears to be comparable to donepezil, although it may have more gastrointestinal side effects. Memantine for later stages ...