| 词汇 | example_english_chemical-bond |
| 释义 | Examples of chemical bondThese 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. The distribution of chemicalbond energy along the hyper-efficient geometrical surfaces of these atoms could give them physical properties unlike any other substance known. Observer independent features of the world include force, mass, gravitational attraction, photosynthesis, the chemicalbond, and tectonic plates. This type of chemicalbond is either a non-polar covalent bond or a polar covalent bond. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The step of hydrolysis leads to a breakdown of the second chemicalbond and regeneration of the enzyme. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. There actually is no chemicalbond between paint and an underlying surface. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A good chemicalbond is critical to both prevention of delamination and development of seam strengths. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Chemicalbond breaking is a prerequisite to any chemical reaction, and chemical reactions are a prerequisite to observable or measurable physical changes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The atoms in ceramic materials are held together by a chemicalbond. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For metals, the chemicalbond is called the metallic bond. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Chain transfer agents have at least one weak chemicalbond, which therefore facilitates the chain transfer reaction. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Organic chemists recognize two processes for the breaking of a chemicalbond. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A chemicalbond resulted when a hook and eye connected. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This mixing of eigenstates to attain more stability is precisely the phenomena of chemicalbond resonance. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The reduction in energy of these electrons is the driving force for chemicalbond formation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Its color ranges from black to brown and gold, depending on the chemicalbond. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. When atoms interact to form a chemicalbond, the atomic orbitals are said to mix in a process called orbital hybridisation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A covalent bond is the chemicalbond which involves the sharing of pairs of electrons between atoms. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Parameters can be obtained from chemicalbond energy data. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In turn, those energies are controlled by the way in which different chemicalbond types interact with those in the solvent. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The nature of the attraction in a charge-transfer complex is not a stable chemicalbond, and is thus much weaker than covalent forces. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is not a thermochemically highly favored event (not much energy generated in chemicalbond formation in reaction products). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Until the 1960s, no chemicalbond with a noble gas was known. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In some cases, an actual chemicalbond occurs between adhesive and substrate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The paint's durability results from the chemicalbond formed by the binding agent with the substrate (silification). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Spatial proximity and/or a chemicalbond between two atoms can give rise to interactions between nuclei. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In chemical reactions, orbital wavefunctions are modified, i.e. the electron cloud shape is changed, according to the type of atoms participating in the chemicalbond. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Each chemicalbond in a molecule vibrates at a frequency characteristic of that bond. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Geopolymer cement also has the ability to form a strong chemicalbond with all kind of rock-based aggregates. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The concept is frequently applied in physical sciences to, for example, chemical reactions, where thermal energy (heat) is converted to chemicalbond energy. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Accelerants alter a chemicalbond, speed up a chemical process, or bring organisms back to homeostasis. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Required pyrolysis temperature increases with increasing chemicalbond strength of the precursor. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The chemicalbond between atoms occurs as a result of electromagnetic interactions, as described by the laws of quantum mechanics. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The carbonfluorine bond, a component of all organofluorine compounds, is the strongest chemicalbond in organic chemistry. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The availability of better and more stable linkers has changed the function of the chemicalbond. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Steel roller coaster wheels are made with polyurethane which increase ride efficiency and have no chemicalbond to the rail. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. After dyeing, dye molecules have uncut chemicalbond with fiber molecules. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Adding a second electron to chlorine requires energy, energy that can not be recovered by formation of a chemicalbond. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This condition is also known as predissociation since the chemicalbond is broken at an energy which is lower than what might be expected. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Due to the formation of chemicalbond to functional groups, loss of activity can occur. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The two electrons go into the bonding orbital, resulting in a net bonding effect and constituting a chemicalbond among all three atoms. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Atomic radii may be derived from the distances between two nuclei when the two atoms are joined in a chemicalbond. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Their work was based on the valence bond model, which assumes that a chemicalbond is formed when there is good overlap between the atomic orbitals of participating atoms. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Binding sites also exhibit chemical specificity, a measure of the types of ligands that will bond, and affinity, which is a measure of the strength of the chemicalbond. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Maximum bond strength results from effective overlap of atomic orbitals in a chemicalbond. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The oxidation state is calculated by assuming that each chemicalbond (except between identical atoms) is ionic so that both electrons are assigned to the more electronegative bonded atom. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This attraction constitutes the chemicalbond. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Transfer of electron spin density from the paramagnetic center to the resonating nucleus is somehow related to chemical bonds. Rather, wires are seen a bit like ropes that can be knotted or tightened (like chemical bonds) with ropes of other components. In most molecules, the electrons are paired and, with the exception of hydrogen, the four outer most pairs of each atom form chemical bonds. By hitting a sample with near infrared light, chemical bonds in the sample vibrate and re-release the light energy at a wavelength characteristic for a specific molecule or chemicalbond. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In order for a molecule to break apart, it must acquire from the photon a vibrational energy exceeding the dissociation energy, that is, the energy to break a chemicalbond. 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. They contain all types of chemicalbond. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Molybdenum-containing enzymes are by far the most common catalysts used by some bacteria to break the chemicalbond in atmospheric molecular nitrogen, allowing biological nitrogen fixation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The chemical bonds are shown as sticks joining the atoms. By careful analysis of the breaking force at various pulling speeds, it is possible to map the energy landscape of the chemicalbond under mechanical force. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The commands direct the movement of the waldo, to pick up, rotate, and drop atoms and molecules, and to trigger reactor events such as chemicalbond formation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The chemicalbond between the urea and formaldehyde is weak, resulting in degradation of the foam cells and emission of toxic formaldehyde gas into the home over time. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For example, biomolecules with stiff chemical bonds will present such difficulties. It is surpassed only by chemical bonds. That toxic chemical is known as a cross-linker because it makes undesirable chemical bonds via free radical reactions between molecules in the body such as proteins and nucleic acids. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 They can then release this energy by breaking chemical bonds, thereby producing radicals. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Many non-ionic compounds have chemical bonds that share the electron density that binds them together. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In these structures, the chemical bonds to silicon conform to the octet rule. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The network can not be separated unless chemical bonds are broken. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. New chemical bonds are generated at the adsorbant surface. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Chemical bonds persist within of the adsorbed molecules, but they are polarized. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Any photon with sufficient energy can affect the chemical bonds of a chemical compound. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, such substances are not generally considered friable because of the degree of difficulty involved in breaking the substance's chemical bonds through mechanical means. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Breaking or making of chemical bonds involves energy, which may be either absorbed or evolved from a chemical system. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It does so by dissolving various chemical bonds within secretions, which in turn can lower the viscosity by altering the mucin-containing components. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The plasma is then used to expose the biomaterial surface, which can break or form chemical bonds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A chemical graph is a labeled graph whose vertices correspond to the atoms of the compound and edges correspond to chemical bonds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The position of each atom is determined by the nature of the chemical bonds by which it is connected to its neighboring atoms. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This is attributed to its loose chemical bonds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A polymer is a large molecule (macromolecule) composed of repeating structural units connected by covalent chemical bonds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The hydrogen in the water inserts itself between chemical bonds in natural polymers such as fats, proteins and cellulose. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Water itself is highly stableit was one of the classical elements and contains very strong chemical bonds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For example, chemical bonds may be formed or destroyed, inducing a change in solubility. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The atomic model is represented by default using a stick-model, with vectors representing chemical bonds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Electrons are shared among individual atoms in a molecule to form covalent chemical bonds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In these cases, four vertices (alternate threefold ones) are absent, but the chemical bonds lie on the remaining edges. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The aggregate minerals forming the rock are held together by chemical bonds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In the images of graphenea single sheet of graphitenot only the atoms, but also the chemical bonds could be observed. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Most chemical fixatives (chemicals causing fixation) generate chemical bonds between proteins and other substances within the sample, increasing their rigidity. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. An oxidizing bleach works by breaking the chemical bonds that make up the chromophore. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. When this light encounters a pigment, parts of the spectrum are absorbed by the chemical bonds of conjugated systems and other components of the pigment. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Any photon with sufficient energy can affect the chemical bonds of a chemical compound, such as visible light, ultraviolet light, x-rays and gamma rays. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These modes include stretching and bending motions of the chemical bonds of the molecule. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The chemical pulping processes use a combination of high temperature and alkaline (kraft) or acidic (sulphite) chemicals to break the chemical bonds of the lignin. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A molecule is composed of one or more chemical bonds between molecular orbitals of different atoms. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He introduced the idea of an aperiodic crystal that contained genetic information in its configuration of covalent chemical bonds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Chemical bonds are all-or-nothing forces: they either hold fast, or break; there is no in-between state. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The reaction center initiates a complex series of chemical reactions that capture energy in the form of chemical bonds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The heat from the flame evaporates the solvent and breaks chemical bonds to create free atoms. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Due to its electronegativity, oxygen forms chemical bonds with almost all other elements at elevated temperatures to give corresponding oxides. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The two most common chemical bonds for ceramic materials are covalent and ionic. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In theory, radon is more reactive than xenon, and therefore should form chemical bonds more easily than xenon does. 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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