# SI

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Related to SI units: Metric units

## SI

abbreviation for STATUTORY INSTRUMENT.
Collins Dictionary of Law © W.J. Stewart, 2006
References in periodicals archive ?
But the four SI units that have undergone definition change were previously based on something - i.e.
This all rather supports my long-held contention that we would get along much better sticking to pounds and ounces and feet and inches rather than SI units, especially when incorrectly converted.
All 4 SRMPs have documented good results in the IFCC and NGSP monitoring programs [CV <3.0% in SI units, <2.0% in DCCT units, no bias or a very small bias ([+ or -] 1 mmol/mol) compared to the IFCC primary reference measurement procedure (PRMP)] and were calibrated using the IFCC secondary reference material with assigned IFCC and derived DCCT values.
So, in SI units: current becomes force--[kgm/[sec.sup.2]] or [N], the potential becomes velocity--[m/sec], capacity becomes mass of the electrons accumulated on the plates of the capacitor
The use of metric and SI units is an integral part of the mathematics and science curricula.
However, by showing how the definitions of the seven base units of the current SI also fix the numerical values of a set of seven reference constants (broadly interpreted) when the values of these constants are expressed in their coherent SI units, and how the definition of the current SI can be recast into the same form as that of the revised SI under consideration, we show that the revision is not as radical a departure from the current SI as it might initially seem.
The DIVA automatically compensates for changes in steam density, providing 4-20-mA and pulsed outputs proportional to mass or energy flow, as well as real time display of steam pressure, temperature, flow rate and total flow in both English and SI units. Meter configuration is quick and simple via the on-board display and code-protected keypad.
SI units are used throughout the book, and it contains 1,150 illustrations.
The initial 300 questions cover topics including SI units, behaviour of gases and liquids, temperature measurement, equipment considerations (valves, vaporisers and ventilators).
The new site connects with IDES Prospector, a database comprised of polymer property data in all standards with information in English and SI units. The site also provides links that connect users with processing charts and cost-estimation calculators.

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