The mass (m) of a body of matter is a measure of its amount of substance in the body. Under ordinary circumstances, matter does not change. Hence, the amount of substance in the body can be assumed to be quantitatively equal to its mass. If the amount of substance divides itself, we ...
The velocity of a chemical reaction is defined as the amount of substance in moles, which is either electro-oxidised or electro-reduced within a unit of time. From: Electrochemical Phenomena in the Cathode Impedance Spectrum of PEM Fuel Cells, 2022 ...
TEST_ASSERT(ResultDimensionalExponents->getThermodynamicTemperatureExponent()==0); TEST_ASSERT(ResultDimensionalExponents->getAmountOfSubstanceExponent()==0); TEST_ASSERT(ResultDimensionalExponents->getLuminousIntensityExponent()==0);/* IfcUnitEnum_UNSET, IfcUnitEnum_ABSORBEDDOSEUNIT, IfcUnitEnum_AMOUNTOF...
A serious problem arose when the 1983 VIM (VIM1) defined "quantity" as, 'an attribute of a phenomenon, body or substance, which may be distinguished qualitatively, and determined quantitatively'. This definition was accompanied by the following examples: 'length, time, mass, temperature, ...
1 AMOUNTa quantity of something such as time, money, or a substance数量,数额 amount of They spend equal amounts of time in California and New York. 他们在加利福尼亚和纽约待的时间同样长。 a considerable/large/enormous etc amount a considerable amount of money ...
The newtaxcausedahugeamountofpublicanger.新税收引起了强烈公愤。 I hadacertainamountof(= some)difficultyfindingthehouse.我找到这房子费了不少劲。 You wouldn'tbelievetheamountoftrouble(= what a lot oftrouble)I've had with thiscar.你决不会相信这辆汽车给我带来了多少麻烦。 More examples Adangerousam...
When paired with uncountable nouns, "amount" signifies the quantity, volume, or scope of a substance, idea, or abstract concept. Some common examples include: 1. The amount of water in the tank is sufficient. 2. The amount of knowledge he possesses is impressive. 3. The government is inve...
Use "amounts of" when you want to specify the quantities or numbers of a particular item or substance. It is often followed by a noun. Examples: There are large amounts of sugar in this recipe. She consumed vast amounts of water during the marathon. The study found significant amounts ...
The definition and concept of primary method are explained, taking examples from the fields of thermometry and measurements of amount of substance. It is shown that although few methods can be considered strictly primary, small departure... Quinn,T J - 《Metrologia》 被引量: 181发表: 2003年 ...
To rise, reach, or extend in effect, substance, or influence; to be equivalent; to come practically (to); as, the testimony amounts to very little. Number To assign a number to or mark with a number Did you number the pages of the report?. Amount To signify; to amount to. Number...