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Results for: 'Pressure'

14:32

060 lecture 1: aIr pressure

By: dfeurzei

AIr pressure: what it is, why it is

1:46

Syrup Clarity

By: uvmext

Syrup clarity is one of the four basics of grading. Syrup that come right off the evaporator is cloudy. Most of the cloudiness found in unfiltered syrup is naturally occurring minerals such as calcium also known as sugar sand or niter. Syrup clari...

0:47

Vacuum

By: uvmext

Sap flows out of trees due to the difference in pressure between the inside and outside of the tree. In the 1950s, maple researchers and producers found that adding vacuum pumps to tubing systems could increase this pressure differential and there...

1:01

Why Does Sap Flow?

By: uvmext

Why Does Sap Flow from Maple Trees? Throughout the maple region, there are several weeks of alternating freeze and thaw temperatures each spring. This weather provides the right conditions for sap flow in maple. Unlike most trees, maples have tiny...

9:18

Pressure Cooker Reality TV Video Essay

By: gmoroz

Video essay diving into Netflix's reality tv show Pressure Cooker.

3:13

“HEDIS Annual Monitoring: a true measure of patient safety?”

By: jkwallac

Annual laboratory monitoring completion occurs more frequently among persons prescribed medications of interest with a diagnosis of hypertension and for those with a diagnosis of diabetes. Rates of high blood pressure and diabetes vary by state a...

18:09

060 lecture 4: amplitude

By: dfeurzei

Amplitude & Loudness; dB of Sound Pressure Level and other uses

1:55

Diatomaceous Earth (DE) Filtering

By: uvmext

Just as the sugars found in sap become concentrated during boiling, so too are the naturally occurring minerals found in sap. As the concentration of minerals increases in the sap, it approaches, then exceeds the point of saturation. When that hap...