| 单词 | proton |
| 释义 | proton noun[C] uk/ˈprəʊ.tɒn/us/ˈproʊ.t̬ɑːn/atypeofelementaryparticle(= a verysmallpieceofmatter)with apositiveelectricalchargethat isfoundin thenucleusof allatoms 质子Compare electron neutron Physics: atoms, molecules & sub-atomic particles
proton| American Dictionaryproton noun[C] us/ˈproʊ·tɑn/physics,chemistry thepartof anatomthat has apositiveelectricalchargeand ispartof the atom'snucleus(=centralpart) Examplesofprotonproton The model presented here represents a first, basic step in considering the acceleration of protons by fast electrons inside solid targets. From theCambridge English Corpus The distance between theprotonproduction foil and cylinder and the distance between the cylinder and detector were varied throughout the experiment. From theCambridge English Corpus In the general case of mobile heavies, the motion of all three populations (electrons, protons and heavies) becomes strongly coupled. From theCambridge English Corpus About 30 % of the amide protons exchanged with deuterons after 3 hours. From theCambridge English Corpus In the intermediate frequency regime lying between the alpha andprotongyrofrequencies, a negative energy alpha-acoustic mode interacts with a positive energy protoncyclotron mode. From theCambridge English Corpus In the images darker regions correspond to higherprotondensities in the probe beam cross section. From theCambridge English Corpus In this paper, we address the mechanism of the generation of images of micro-grooves machined into the rear surface of the target with laser-accelerated protons. From theCambridge English Corpus Lowering of green fluorescence by constant red fluorescence possibly indicates exhaustion of theproton-pumping machinery in phagolysosomes occupied by indigestible particles. From theCambridge English Corpus The changes in the target emission coordinates and the decrease of the partial beam divergence with increasingprotonenergy are shown. From theCambridge English Corpus The coordinates of theprotonsources represented by four quadrangles are (0, 195), (0, 495), (0, 990), and (390, 0). From theCambridge English Corpus Theprotonbeam was applied to probing large-scale laserproduced plasmas, both in face-on and side-on configurations. From theCambridge English Corpus Due to reorganization of water protons, there was a concomitant increase in bulk and free water, but a decrease in bound water. From theCambridge English Corpus Laser-drivenprotonscaling laws and new paths towards energy increase. From theCambridge English Corpus The plain, dotted and crossed bars denote protons associated with more, less and least mobilities, respectively. From theCambridge English Corpus In this specific case, the protons are not well focused by the static electric potential. From theCambridge English Corpus 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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