Tipping bucket rain gauge is a remote rainfall measuring instrument composed of a sensor and a signal recorder. The sensor is composed of a water-bearing device, an upper tipping bucket, a metering tipping bucket, a counting tipping bucket, a dry reed switch, etc. The recorder consists of a counter......
Read More1. Nasal swab collection method: (1) Put the swab in normal saline and wet it. (2) Measure the distance from the nostril to the root of the ear with a swab and mark it with the finger (3) Insert the swab into the nostril in the direction perpendicular to the nose (face)......
Read MoreExhibition Bern is preparing to become the focal point of the Education Industry from 22 – 24 November 2021, when the Education Exhibition in Switzerland, the Swissdidac & Worlddidac again opens its doors. Worlddidac & Swissdidac is the place for current and future educational topics and materia......
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