| 单词 | van der Waals |
| 例句 | Electrons can be donated or shared between atoms to create bonds, including ionic, covalent, and hydrogen bonds, as well as van der Waals interactions. Concepts of Biology 2013-04-25T00:00:00Z The first, and simplest, of these was developed by the Dutch scientist Johannes van der Waals in 1879. Chemistry 2019-02-14T00:00:00Z Electrons can be transferred, shared, or cause charge disparities between atoms to create bonds, including ionic, covalent, and hydrogen bonds, as well as van der Waals interactions. Biology for AP Courses 2022-06-09T00:00:00Z Proteins retain their shape because of forces that include ionic and covalent bonds, van der Waals forces, and hydrogen bonds. Miller & Levine Biology 2018-01-01T00:00:00Z Outside of the mold, the parts hold their shape because myriad weak attractive bonds, called van der Waals interactions, form between neighboring silica particles. Glass molded like plastic could usher in new era of complex shapes 2021-04-08T04:00:00Z Instead, those patches of microscopic hairs adhered to each other because of so called van der Waals forces, which involve electric attraction and repulsion. Legless, Leaping Larvae 2019-08-08T04:00:00Z The van der Waals equation improves upon the ideal gas law by adding two terms: one to account for the volume of the gas molecules and another for the attractive forces between them. Chemistry 2019-02-14T00:00:00Z Why are hydrogen bonds and van der Waals interactions necessary for cells? Biology for AP Courses 2022-06-09T00:00:00Z The substrates and the active site may be kept together by weak interactions such as hydrogen bonds and van der Waals forces. Miller & Levine Biology 2018-01-01T00:00:00Z These compounds contain 2D structures that stack through a weak attractive force — the van der Waals interaction — to form layered 3D crystals. Topological properties controlled by light 2019-01-01T05:00:00Z The structure of a gecko’s foot, which contains thousands of microscope hairs that create van der Waals forces. Want to get rid of space trash? This gecko-inspired robot may do the trick 2017-06-28T04:00:00Z The various, very large molecules that compose butter experience varied van der Waals attractions of various strengths that are overcome at various temperatures, and so the melting process occurs over a wide temperature range. Chemistry 2019-02-14T00:00:00Z Hydrogen bonds and van der Waals interactions form strong associations between same molecules, providing the necessary shape and structure for acids to function in the body. Biology for AP Courses 2022-06-09T00:00:00Z For example, when charge density fluctuations are correlated over long length scales, exceptional long-range van der Waals forces result6. Using coherence to enhance function in chemical and biophysical systems : Nature : Nature Research 2017-03-28T04:00:00Z For the intermolecular interactions shown in Extended Data Figs 2 and 3 and and , the maximal cut-off distances used were 4 Å and 4.75 Å for polar and van der Waals contacts, respectively. Structural basis of potent Zika–dengue virus antibody cross-neutralization : Nature : Nature Research 2016-06-22T04:00:00Z The spatulae exert an attraction between neutral molecules called a van der Waals force. Geckos May Be Famously Sticky, but Here's What Stumps Them 2016-07-09T04:00:00Z The van der Waals equation is a modified version of the ideal gas law that can be used to account for the non-ideal behavior of gases under these conditions. Chemistry 2019-02-14T00:00:00Z Hydrogen bonds and van der Waals interactions form weak associations between molecules, providing the necessary shape and structure of DNA and proteins to function in the body. Biology for AP Courses 2022-06-09T00:00:00Z The van der Waals enhancement factor is the modification to Fuchs theory due to Sceats49, as described in ref. Ion-induced nucleation of pure biogenic particles : Nature : Nature Publishing Group 2016-05-24T04:00:00Z The van der Waals probe radius was set to 1.4 Å. NA, non applicable. Structural basis of potent Zika–dengue virus antibody cross-neutralization : Nature : Nature Research 2016-06-22T04:00:00Z The description of van der Waals interactions in nanostructures must include delocalized electron density fluctuations. Wavelike charge density fluctuations and van der Waals interactions at the nanoscale | Science 2016-03-10T05:00:00Z Experimental values for the van der Waals constants of some common gases are given in Table 9.3. Chemistry 2019-02-14T00:00:00Z Hydrogen bonds and van der Waals interactions form strong associations between molecules, providing the necessary shape and structure of DNA and proteins to function in the body. Biology for AP Courses 2022-06-09T00:00:00Z This causes a mutual attraction, known as the van der Waals force, between carbon atoms in adjacent graphene layers. Graphene sandwich makes new form of ice 2015-03-24T04:00:00Z As a result, the van der Waals attraction between the gecko's feet and the surface it is climbing is greater than the opposing force of gravity. Synthetic coatings: Super surfaces : Nature : Nature Publishing Group 2015-03-24T04:00:00Z The description of van der Waals interactions in nanostructures must include delocalized electron density fluctuations. Wavelike charge density fluctuations and van der Waals interactions at the nanoscale | Science 2016-03-10T05:00:00Z All of the attractive forces between neutral atoms and molecules are known as van der Waals forces, although they are usually referred to more informally as intermolecular attraction. Chemistry 2019-02-14T00:00:00Z Hydrogen bonds and van der Waals interactions form weak associations between different molecules, providing the necessary shape and structure for acids to function in the body. Biology for AP Courses 2022-06-09T00:00:00Z They employ the same attractive and repulsive forces between molecules - known as van der Waals forces - that geckos use. Geckos inspire 'Spider-Man' gloves 2014-11-19T05:00:00Z Now, by analyzing the 1950 DA’s temperature and density, researchers conclude that cohesive forces called van der Waals attractions must be keeping the pieces clustered. How Asteroid 1950 DA Keeps It Together 2014-08-29T04:00:00Z To adhere, the setae rely on small electromagnetic attractions between molecules called van der Waals forces. Tiny Toe Tools Insure Gecko Traction 2014-08-15T04:00:00Z Intermolecular attractive forces, collectively referred to as van der Waals forces, are responsible for the behavior of liquids and solids and are electrostatic in nature. Chemistry 2019-02-14T00:00:00Z Two weak bonds that occur frequently are hydrogen bonds and van der Waals interactions. Biology for AP Courses 2022-06-09T00:00:00Z Along the same lines, the Stanford team created tiny tiles called microwedges to harness van der Waals forces. Geckos inspire 'Spider-Man' gloves 2014-11-19T05:00:00Z Our results are likely to hold true in other polar van der Waals crystals and may lead to new functionalities. [Report] Tunable Phonon Polaritons in Atomically Thin van der Waals Crystals of Boron Nitride 2014-03-06T20:26:38.941Z Septulae create so-called van der Waals interactions between their molecules and the molecules of the surface that a lizard is clinging to. What Gets Geckos Unglued 2012-08-08T22:25:00Z And instead of requiring potentially irritating adhesive gel or tape, it takes advantage of nonspecific, generalized adhesion forces, known as van der Waals forces—the same ones that allow geckos to walk up walls. "Skin-Like" Electronic Patch Takes Pulse, Promises New Human-Machine Integration 2011-08-11T20:15:00.377Z Like hydrogen bonds, van der Waals interactions are weak attractions or interactions between molecules. Biology for AP Courses 2022-06-09T00:00:00Z The monitor doesn’t use an adhesive, relying on a weak force called the van der Waals force that causes molecules and surfaces to stick together without interfering with motion. Tiny, wireless stick-on patches may one day monitor patients? hearts, other vital signs 2011-08-11T18:11:37Z Pressed against a surface, the molecules of these ridges attract those of the surface via an electrostatic phenomenon called the van der Waals force. Robots: Zoobotics 2011-07-07T10:49:11Z Ionic bond involves the van der Waals force of interaction whereas covalent bond involves the sharing of electrons. Biology for AP Courses 2022-06-09T00:00:00Z The ability of geckos to climb smooth surfaces has been attributed to the van der Waals force. Tiny, wireless stick-on patches may one day monitor patients? hearts, other vital signs 2011-08-11T18:11:37Z An ionic bond involves the transfer of electrons whereas a covalent bond involves the van der Waals force of interaction. Biology for AP Courses 2022-06-09T00:00:00Z |
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