freezing causes changes on chemical and microbial quality of butter. in this research, effects of two different temperatures -9 and -18oc on changes of moisture, fat, acidity and peroxide value and also coliform and psychrotrophic microorganisms in frozen butter were studied. results showed that values of moisture and fat during 7 months of frozen storage at two temperatures decreased 1.8% and ...

landslides are natural disasters that annually inflict great damages to public and private properties which may associate with loss of life. in recent decades, research on developing methods for predicting the time of landslide has been one of the significant attempts made by scientists. since in some type of material, landslides are preceded by undetectable movements that cannot be recorded an...