| 词汇 | example_english_chemical-element |
| 释义 | Examples of chemical elementThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Since actual observed vesicle fillings are silicate minerals, chemicalelement transfers from basalt to geodes must have taken place. Before spectra of oxygen ions became known, these lines once led to a spurious identification of the substance as a new chemicalelement. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The laboratory was honored in 2012 by having the synthetic chemicalelement livermorium named after it. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Server names may be named by their role or follow a common theme such as colors, countries, cities, planets, chemicalelement, scientists, etc. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In geochemistry, a trace element is a chemicalelement whose concentration is less than 1000 ppm or 0.1% of a rock's composition. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. S from the gas, but did not extract the sulfur as a chemicalelement. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Most chemicalelement that enter into the dietary physiology of organisms are in the form of simple compounds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The segmented tables permit easier examination of a particular chemicalelement with much less scrolling. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Each point plotted on the graph thus represents the nuclide of a real or hypothetical chemicalelement. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A helium atom is an atom of the chemicalelement helium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Each type of atom corresponds to a specific chemicalelement. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The second sentence, a use example, is a statement about the chemicalelement copper and not the word itself. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Indeed, the nuclear reactions in stars produce every naturally occurring chemicalelement. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Put another way, a chemicalelement can not be transformed into other chemical elements by chemical processes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sodium bromide can be used as a source of the chemicalelement bromine. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Oxygen is the third most abundant chemicalelement in the universe, after hydrogen and helium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is defined as the mass of a given substance (chemicalelement or chemical compound) divided by its amount of substance. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Rose in 1839 described a new mineral in those samples and named it uranotantalum believing that its composition is dominated by the chemicalelement tantalum. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It will then contribute in that way to the natural isotopic composition of a chemicalelement. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Carbon films are thin film coatings which consist predominantly of the chemicalelement carbon. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Most of the defined points are based on a phase transition; specifically the melting/freezing point of a pure chemicalelement. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He guessed that these lines indicated the existence of an undiscovered chemicalelement. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The chemicalelement of each atom is often indicated by the sphere's color. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In alchemy the chemicalelement of sulfur was often associated with fire and its alchemical symbol and its symbol was an upward-pointing triangle. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. One of the most notable examples of the magnetocaloric effect is in the chemicalelement gadolinium and some of its alloys. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The primary chemicalelement in these compounds is carbon. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It consists of the chemicalelement iron in the oxidation state of 2 bonded to oxygen. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Even though it is not a chemicalelement, the free neutron is sometimes included in tables of nuclides. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. More compounds of carbon exist than any other chemicalelement except for hydrogen. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The chemicalelement isotopes that can sustain a fission chain reaction are called nuclear fuels, and are said to be "fissile". From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Each line indicates an ion of a certain chemicalelement, with the line strength indicating the abundance of that ion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He discovered the chemicalelement bismuth in 1753. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. If this modifies the number of protons in a nucleus, the atom changes to a different chemicalelement. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Some oil shales can also be used for uranium and other rare chemicalelement production. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The mass number is different for each different isotope of a chemicalelement. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Those transitions emit light of very specific frequencies, characteristic of chemicalelement itself. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Chemicalelement "symbols" are always capitalized (see below). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. According to this definition a chemical substance can either be a pure chemicalelement or a pure chemical compound. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The chemicalelement palladium, on the other hand, was named after the asteroid, which had been discovered just before the element. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Column density is a commonly used measure in astronomy for the quantity of a given chemicalelement or molecule in a certain direction. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For example, all atoms with 6 protons in their nuclei are atoms of the chemicalelement carbon, but atoms of carbon may have mass numbers of 12 or 13. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They defined chemical elements as those that chemists could neither decompose nor produce in their laboratories. Chemical properties are primarily determined by proton number, which determines which chemical element the nuclide is a member of; neutron number has only a slight influence. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Compound: a substance that contains atoms of two or more chemical elements held together by chemical bonds. Like all bodies under chemical scrutiny, chemical elements were distinguished by their unique properties. By approximation the bond distance between two different atoms is the sum of the individual covalent radii (these are given in the chemicalelement articles for each element). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Neon is abundant on a universal scale; it is the fifth most abundant chemicalelement in the universe by mass, after hydrogen, helium, oxygen, and carbon (see chemicalelement). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The principle behind the use of radioactive tracers is that an atom in a chemical compound is replaced by another atom, of the same chemicalelement. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Similar to electron emission, positron decay results in nuclear transmutation, changing an atom of a chemicalelement into an atom of an element with an unchanged mass number. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Once again, in cosmochemistry, similar chemical elements will be available for chemical evolution. The other substances, the metals and sulfur, are chemical elements. He had definite ideas about what chemical elements were truly simple, and of how the properties of substances were transformed in chemical reactions. Thus, endogenic sulphur and other chemical elements will be, at any time, found on the icy surface of the dry valley lakes. The dynamics of chemical elements in forest litter. The second obstacle was due to the chemical elements not yet discovered at the time, which made it difficult to see the global pattern in the data. Migration of ions of chemical elements in freezing and frozen soils. The used fuel elements are treated to recover these two chemical elements. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 At that time, the number of chemical elements known was something like 75. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 This is an indication of the serious health hazard that industrial waste and chemical elements cause if they get into sewers, or, indeed, into other parts of the neighbourhood. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The definition is that a "substance" is something which is made of one or more chemical elements and has a defined chemical constitution; otherwise it is not a chemical substance. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 At a later stage it was found that the rapid expansion of the dye industry could render very great services in national defence in providing the chemical elements of warfare. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 It was speculations about isotopy that directly gave rise to the building of a mass spectrometer capable of separating the isotopes of the chemical elements. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Nucleotides are heterocyclic compounds, that is, they contain at least two different chemical elements as members of its rings. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Many element collectors simply enjoy finding peculiar uses of chemical elements. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The information would help scientists determine the chemical elements that make up the dust and ice. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For pure chemical elements, polymorphism is known as allotropy. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Other surfaces include solid matter in combinations of rock, regolith and frozen chemical elements and chemical compounds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It aims to categorise all three-, four- and five-dimensional shapes into a single table, analogous to the periodic table of chemical elements. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The two also did work on the chemistry of the chemical elements thorium and lanthanum. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He also introduced the possibility of allotropy in chemical elements when he discovered that diamond is a crystalline form of carbon. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For 80 of the chemical elements, at least one stable isotope exists. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Hinrichs also postulated theory on the cause of the periodicity within the chemical elements. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In 1932, they bombarded lithium with high energy neutrons, electrons and protons and succeeded in transmuting it into helium and other chemical elements. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Chemical elements up to the iron peak are produced in ordinary stellar nucleosynthesis. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Children, even, seemed familiar with the monsters of the microscope, and talked of them as glibly as of their playthings and the chemical elements. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Many researchers investigate the biogeochemical cycles of chemical elements such as carbon, oxygen, nitrogen, phosphorus and sulfur, as well as their stable isotopes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These fuels break apart into a bimodal range of chemical elements with atomic masses centering near 95 and 135 u (fission products). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, most of the universe's mass is not in the form of baryons or chemical elements. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Studies of the radioactivity, that soon revealed the phenomenon of radioactive decay, provided another argument against considering chemical elements as fundamental nature's elements. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is one of the least reactive chemical elements, and is solid under standard conditions. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Surface reaction of organic compounds or metalorganics and hydrides containing the required chemical elements creates conditions for crystalline growth - epitaxy of materials and compound semiconductors. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These chemical differences extend to a range of trace elements as well (that is, chemical elements occurring in amounts of 1000 ppm or less). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This paper began group description of the system of chemical elements. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, these are much less abundant than the primary chemical elements. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Hydrogen is the most abundant of the chemical elements, constituting roughly 75% of the universe's elemental mass. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Heavy metals are metallic chemical elements that have a relatively high density and are toxic or poisonous at low concentrations. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The periodic table of the chemical elements is a tabular method of displaying the chemical elements. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For instance, to record graphical representations of the simplest algebraic equations, to draw molecular orbits of some chemical elements. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The early researchers also discovered that many other chemical elements besides uranium have radioactive isotopes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It contains the following chemical elements in amounts of 100 or more micrograms per liter: lithium, calcium, chloride, fluoride, magnesium, potassium, silica, and sodium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Cortical bone facilitates bone's main functions: to support the whole body, protect organs, provide levers for movement, and store and release chemical elements, mainly calcium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The chemical elements of the periodic table are broken up into different forms. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. There he initiated a graduate-student course explaining nuclear reactions in stars as the mechanism for the creation of the atoms of the chemical elements. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The health resort is known for its mineral water that includes thirty-seven chemical elements. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The basic chemical elements of a granite, which are well-known, are to be melted, and then allowed to cool to form a synthetic rock. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The chemical elements consumed in the greatest quantities by plants are carbon, hydrogen, and oxygen. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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