پروفسور فیزیک

این سایت برای دانش آموزان،دانشجویان،اساتیدفیزیک و علاقه مندان به دانش فیزیک می باشد...

روز: فوریه 3, 2021

How To Select an N95 Respirator Masks For Coronavirus Prevention

An N95 respirator is a respiratory protective face mask, designed to help reduce the person’s exposure to airborne particles together with very small particles (0.3 microns) and enormous droplets. N95 respirator face mask literally has a filtration efficiency of not less than 95% in opposition to non-oily particles. 2. Variations between N95 masks and surgical […]

Employee Training: Ten Suggestions For Making It Really Effective

Whether or not you are a supervisor, a manager or a trainer, you are interested in guaranteeing that training delivered to staff is effective. So often, staff return from the latest mandated training session and it’s back to “enterprise as usual”. In many cases, the training is either irrelevant to the group’s real wants or […]

Tips to Discovering A Reliable Locksmith

There are numerous factors you have to be taking into consideration when looking for reliable locksmith services. While there are so many locksmith companies providing their companies in your area, not all of them are reliable, credible or trustworthy and it’s essential know in an emergency situation, they’ll reach you within the shortest interval of […]

How you can Choose the Right N95 Respirators and Masks

The usage of surgical masks are essential to battle the outbreak of Novel Coronavirus Pneumonia (COVID-19), some even look for N95 respirators and surgical masks for enhanced protection. What kind of protection does N95 respirators provide? Are all N95 respirators appropriate for medical and healthcare use? N95 respirators can filter ≥95% airborne particles, but is […]

A guide to buying (or making) a face masks for COVID-19

Although material masks provide only minimal protection in opposition to the spread of COVID-19 and other viruses, the Centers for Illness Control and Prevention (CDC) now advocate that everybody use them when leaving the house. The hope is that this low-risk, comparatively straightforward intervention could make a dent in the spread of COVID-19 by folks […]

پروفسورفیزیک © 2016 Frontier Theme