Counted among the oldest units applied across the world to measure vast tracts of land, the acre and has undergone a lot of changes along the way. Used in the imperial system of units and the US system, the modern acre is equal to 4,840 square yards, 43,560 square feet, 4,047 squar...
Answer to: Describe what atmospheric pressure is, what it is caused by, and what units it is measured in. By signing up, you'll get thousands of...
aAssume that x is measured in units of what one dollar in real resources will purchase, meaning that the true or social cost (q) per unit of x is normalized to one, but where the patient pays p. 假设, x在什么的单位一美元在真正的资源购买,意味真实或社会成本q (每个) x单位正常化到一...
The application of visual or photometric determination of pH is limited. Measurements will be unreliable if the solution to be measured is cloudy or has an inherent color. Some measurement solutions also contain chemical bonds which destroy the color indicators through oxidation or reduction and produc...
The metric system is a decimal-based system ofmeasurementoriginally based on the meter and kilogram, which were introduced by France in 1799. "Decimal-based" means all the units are based on powers of 10. There are the base units and then a system of prefixes, which may be used to chang...
What are the energy producing units of a cell? What measurement unit describes the amount of energy in food? What cell structure is measured in terms of surface area? What is cell biomechanics? How wide is a plant cell in meters? What is the water potential of a fully turgid cell? What...
Firstly, just because it can be measured does not mean it "MUST have a unit", SI or otherwise. It is a derived measure (logarithm) based upon the [H+]. (Similarly, percentage does not have units, although percentage is more straightforward in that the units cancel.) ...
Basically, it is the measurement of how many watts or power a device consumes or produces in one hour. To solve for the watthour, simply multiply the watts by the hours the device was used. Therefore, while Ah and Wh are related to each other, they are different units of measurement ...
As with all public cloud services, IaaS requires aservice level agreement (SLA)—a contract between a cloud service provider and client that outlines what services the vendor will provide, the level of performance to be expected, how performance is measured and what happens if performance levels ...
But Pascal (Pa) is the typical SI (International System of Units) unit of pressure, and kPa is very widely used in pressure-related contexts. So, are kPa and mmHg the same, or are they connected? Is kPa the same as mmHg when measuring blood pressure?