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单词 Avogadro
例句 Avogadro
The principle led to the much later adoption of Avogadro’s number, a basic unit of measure in chemistry, which was named for Avogadro long after his death. A Short History of Nearly Everything 2003-05-06T00:00:00Z
And second, almost no one knew about Avogadro’s appealingly simple principle for almost fifty years.** A Short History of Nearly Everything 2003-05-06T00:00:00Z
Two things were notable about Avogadro’s Principle, as it became known. A Short History of Nearly Everything 2003-05-06T00:00:00Z
Using Avogadro’s mathematics, chemists were eventually able to work out, for instance, that a typical atom had a diameter of 0.00000008 centimeters, which is very little indeed. A Short History of Nearly Everything 2003-05-06T00:00:00Z
Physics prof: Do you know what Avogadro’s number times Planck’s constant equals? Style Invitational Week 1172: Pieces of ‘Pie’ 2016-04-21T04:00:00Z
The things I do manage to remember bear an inverse relationship to any usefulness: Avogadro’s number, the Fibonacci sequence, the smell of Chanel No. 5. I Can’t Remember Anyone’s Name. Maybe That’s Not a Problem? 2019-05-30T04:00:00Z
It was Avogadro who developed the idea of a fixed number of atoms and molecules in a mole, and this special number is called Avogadro’s number in his honor. College Physics for AP Courses 2015-08-12T00:00:00Z
The relationships between formula mass, the mole, and Avogadro’s number can be applied to compute various quantities that describe the composition of substances and compounds, as demonstrated in the next several example problems. Chemistry 2019-02-14T00:00:00Z
Avogadro’s constant is used to calculate the number of particles in a mole. Algebra and Trigonometry 2015-02-13T00:00:00Z
Friday’s vote cements the values of the Planck and Avogadro constants, and releases the kilogram from its earthly form. The Kilogram Is Dead. Long Live the Kilogram! 2018-11-17T05:00:00Z
The Avogadro Project has been at this for thirty years, as well. The Kilogram’s Long, Slow Climb to Harmony 2018-11-15T05:00:00Z
Since molecular weights and densities of materials were well established, knowing atomic and molecular sizes allowed a precise value for Avogadro’s number to be obtained. College Physics for AP Courses 2015-08-12T00:00:00Z
Avogadro’s law may be used in stoichiometric computations for chemical reactions involving gaseous reactants or products. Chemistry 2019-02-14T00:00:00Z
The four will be based on Planck's constant, the elementary charge, the Boltzmann constant and the Avogadro constant, respectively. Redefining the Kilogram 2018-10-29T04:00:00Z
One method, pioneered by an international team known as the Avogadro Project, involves counting the atoms in two silicon-28 spheres that each weigh the same as the reference kilogram. Kilogram conflict resolved at last 2015-10-13T04:00:00Z
An international coalition of metrological laboratories known as the Avogadro Project has produced silicon spheres of near-perfect purity and crystal structure, each weighing precisely one kilogram. The Kilogram’s Long, Slow Climb to Harmony 2018-11-15T05:00:00Z
Calculate the depth to which Avogadro’s number of table tennis balls would cover Earth. College Physics for AP Courses 2015-08-12T00:00:00Z
The binding energy for a single nucleus is computed from the molar binding energy using Avogadro’s number: Chemistry 2019-02-14T00:00:00Z
Amedeo Avogadro discovered this phenomenon in the early 19th century, and since then, it’s been known as Avogadro’s Law. Five myths about summer weather 2015-07-24T04:00:00Z
"It's fortuitous that the Avogadro project existed," he told the BBC. Purest-ever silicon in quantum fix 2014-08-11T04:00:00Z
“Maybe the roundest in the universe,” Joachim Ullrich, the physicist who runs the German metrological institute and oversees the Avogadro Project, told me. The Kilogram’s Long, Slow Climb to Harmony 2018-11-15T05:00:00Z
Researchers with a kilogram-definition initiative called the Avogadro Project are trying bridge this gap by fashioning spheres of silicon containing precise numbers of atoms. New Type of Clock Keeps Time by Weighing Atoms 2013-01-11T19:50:00Z
Using Avogadro’s law as a starting point, explain why. Chemistry 2019-02-14T00:00:00Z
There is a chapter also on Avogadro's law and the Kinetic theory, which chemical as well as physical students will read with interest. Froth 2011-12-28T03:00:38.123Z
The great generalization, usually known as Avogadro's law, runs thus: "Equal volumes of gases measured at the same temperature and under the same pressure contain equal numbers of molecules." Heroes of Science Chemists 2011-12-09T03:00:21.047Z
Most remarkably, this approach shows that something called quantum nonlocality disappears for objects big enough to contain roughly the Avogadro number of atoms—the number of atoms you’d expect in a few grams of matter. New Theory Explains How Objective Reality Emerges from the Strange Underlying Quantum World 2011-12-05T21:45:00.223Z
This number, by the way, is known to science as "Avogadro's Constant." Marvels of Scientific Invention An Interesting Account in Non-technical Language of the Invention of Guns, Torpedoes, Submarine Mines, Up-to-date Smelting, Freezing, Colour Photography, and many other recent Discoveries of Science 2011-11-19T03:00:24.517Z
Experimental measurements have determined the number of entities composing 1 mole of substance to be 6.022 1023, a quantity called Avogadro’s number. Chemistry 2019-02-14T00:00:00Z
This link was the full extension of Avogadro’s theory to all substances, Cannizzaro showing that chemical reactions in themselves would not suffice. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago"
Like the atomic theory itself, Avogadro's law is an outcome of physical work and of physical reasoning. Heroes of Science Chemists 2011-12-09T03:00:21.047Z
This is a scientific victory which dwarfs the work of Helmholtz, Avogadro, or Mendelejeff. The Crack of Doom
Avogadro's hypothesis may be stated thus: Equal volumes of all gases under the same conditions of temperature and pressure contain the same number of molecules. An Elementary Study of Chemistry
This will simply require use of the moles-to-numbers conversion factor, Avogadro’s number. Chemistry 2019-02-14T00:00:00Z
Notwithstanding Avogadro’s perspicuous investigation, and a similar exposition of the atom and molecule by A. M. Ampere, the views therein expressed were ignored both by Berzelius. their own and the succeeding generation. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago"
But in Avogadro's law we have a far more accurate and trustworthy method for determining the molecular weights of compounds than any which Dalton was able to devise by his study of chemical combinations. Heroes of Science Chemists 2011-12-09T03:00:21.047Z
Avogadro illuminated chemical, and also physical, ways by his conception of the molecule as a stable, although separable, group of atoms with particular properties different from those of the atoms which constituted it. The Story of Alchemy and the Beginnings of Chemistry
As the evidence of the specific heats of the fallacy of Avogadro's hypothesis involves lengthy explanations, the subject is reserved for another paper. Scientific American Supplement, No. 286, June 25, 1881
Using this stoichiometric factor, the provided molar amount of propane, and Avogadro’s number, Chemistry 2019-02-14T00:00:00Z
A second inconsistency was presented when he was compelled by the researches of Dumas to admit Avogadro’s hypothesis; but here he would only accept it for the elementary gases, and denied it for other substances. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago"
The distinction between what we now call atoms and molecules had been clearly stated by Avogadro in 1811; but the times were not ripe. Heroes of Science Chemists 2011-12-09T03:00:21.047Z
The molecule of Avogadro has always been a decomposable particle. The Story of Alchemy and the Beginnings of Chemistry
Avogadro's Law of Gases.—Equal volumes of all gases, the temperature and pressure being the same, have the same number of molecules. An Introduction to Chemical Science
The true explanation of Gay-Lussac's law of combination by volumes was thought out almost immediately by an Italian savant, Amadeo, Avogadro, and expressed in terms of the atomic theory. A History of Science — Volume 4
Avogadro's hypothesis gave the chemist a definition of "molecule;" it also gave him a definition of "atom." Heroes of Science Chemists 2011-12-09T03:00:21.047Z
The mental surroundings of the chemists of that age did not allow them fully to appreciate the work of Avogadro. Heroes of Science Chemists 2011-12-09T03:00:21.047Z
The generalization of Avogadro has however stood the test of experiment, and is now accepted as one of the fundamental "laws" of chemical science. Heroes of Science Chemists 2011-12-09T03:00:21.047Z
This deduction from Avogadro's law is now a part and parcel of our general chemical knowledge. Heroes of Science Chemists 2011-12-09T03:00:21.047Z
It is to the molecule, considered as the unit of physical structure, that Avogadro's law applies. A History of Science — Volume 4
This, however, was not strange, for of course the law of Avogadro is based on the atomic theory, and in 1811 the atomic theory was itself still being weighed in the balance. A History of Science — Volume 4
In 1811 Avogadro distinguished between the ultimate particles of compounds and elements. Heroes of Science Chemists 2011-12-09T03:00:21.047Z
The fact must be, said Avogadro, that under similar physical conditions every form of gas contains exactly the same number of ultimate particles in a given volume. A History of Science — Volume 4
The compound atom, composed of two or more elementary atoms, Avogadro proposed to distinguish, for purposes of convenience, by the name molecule. A History of Science — Volume 4
And with that the law of Avogadro dropped out of sight for a full generation. A History of Science — Volume 4
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