نتایج جستجو برای: air density
تعداد نتایج: 607238 فیلتر نتایج به سال:
In this study, the effect of some processing parameters on bulk density, particle density, particle size and some of powder reconstruction properties such as dispersibility, wetability and water solubility index of spray dried barberry (Berberis vulgaris) juice powders were investigated. A Pilot Spray Dryer (Two- Flow nozzle, counter- current, one cyclone) was employed for the spray drying pro...
Higher twist corrections to hadronic interactions become increasingly important at high energies. An effective way to resum all these contributions is the color glass condensate picture. We review the Kharzeev-Levin-Nardi (KLN)[1] approach to heavy ion collisions, which has successfully been applied to RHIC physics, and extrapolate this model to Iron-air collisions at energies up to the GZK (≈ ...
Background and purpose: Bioaerosols enter into human body through various ways (inhalation, ingestion or skin absorption). The aim of this study was to investigate the type and density of the predominant bacteria in two seasons - cold and warm - in the kitchen air of restaurants. Materials and Methods: This descriptive cross-sectional study was conducted on the air of restaurants' kitchen in B...
Two months of Lubbock, Texas, radar reflectivity data and West Texas Mesonet data are examined to detect dryline finelines and to describe their thermodynamic and propagation characteristics. Before sunset the moist air mass east of the dryline was consistently denser than the dry air mass. This air density difference waned and even reversed after sunset, because of more rapid cooling on the dr...
Background: Hospital-acquired infections, are the most important consequence in exposure to bioaerosols in which affect health of staffs and clients. The present study aimed to investigate the relationship between fungal bioaerosols and particulate matter in two educational hospitals in Qazvin city in 2017. Methods: This descriptive-analytical study, was performed in 12 of two hospitals indoor...
10 INTRODUCTION 11 MATERIALS AND METHODS 14 Determination of body density 14 Determination of initial air-store volume 15 Air-store volume and buoyancy 16 Air-store volume calculation 18 Air-store PO2 measurement 18 Effect of temperature and aquatic PO2 on voluntary dive duration 19 RESULTS 20 Determination of density 20 Mechanisms of air-store volume regulation 20 Initial air-store volume in f...
Background and Objective: Bioaerosols as small particles enter the body by inhalation and lead to respiratory diseases based on type, concentration, and exposure time. In sensitive workplaces such as medical centers, it is necessary to pay attention to the type and population of these pollutants and the possibility of nosocomial infections. In the present study, the population and type of bioae...
This paper virtually demonstrates an air cavity formed by a superhydrophobic low-density sphere entering into water with the use of a high-speed camera. Unlike the previous results for a high-density sphere, the low-density sphere pinches off the resulting air cavity at the shorter depth before the cavity has fully grown, and attracts minimal air on the rear surface due to rapid deceleration of...
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