The macroscopic mechanical property and the stability of granular mechanics system are determined by packing structure.Cells play a fundamental role in granular statistical mechanics and thus cells were utilized in this paper to research the packing structure of disk particles and gear particles in a two-dimensional cubic container.The probability
Similarity in community composition declines as distance between locations increases, a phenomenon that has been observed in a wide variety of freshwater, marine and terrestrial ecosystems.One driver of the distance-similarity relationship is the presence of environmental gradients that alter the suitability of sites for particular species.Although
Islamic Ideology of Hygiene ABSTRACT Hygiene (cleanliness) is an important aspect of human life which is dealt with nicely both by the Quran and the Sunnah.This, in Islam is a major essential condition for hygiene for all act of worship.It urges hygiene on the personal and social level of fight against environment pollut ion.The Quran read more and
Trapping is an essential tool used to decide the need for and/or timing of an insecticide application.The assumption is that the information is accurate, but accuracy is dependent on trap reliability and efficacy.One factor that affects reliability is trap saturation, defined as the measurable decrease in trap capture due to reduced trapping effect