| 单词 | boron |
| 释义 | boron noun[U] uk/ˈbɔː.rɒn/us/ˈbɔːr.ɑːn/(symbolB)a hard, yellow-brownchemicalelementused innuclearreactorstoabsorbneutronsand invariouscompoundsthat areimportantinmanufacturing 硼（一种非金属化学元素，质硬，黄褐色，用于核反应堆中以吸收中子；其化合物在制造业中非常重要）Chemical elements
Examplesofboronboron Thirty-five holes are drilled into the board in a grid pattern; each hole has a nickel-plated neodymium ironborondisc inserted into it. From theCambridge English Corpus Typically, for a p-n junction, phosphorus atoms are implanted on one side of an interface andboronatoms are implanted on the other. From theCambridge English Corpus Mineral imbalances likeboron, iron, and salinity and sodicity, though localized, do cause substantial yield loss. From theCambridge English Corpus Species variability inboronrequirement is correlated with cell wall pectin. From theCambridge English Corpus Dry matter production andboronconcentrations of vegetative and reproductive tissues of canola and sunflower plants grown in nutrient solution. From theCambridge English Corpus Here we present our studies on harmonic generation fromboronablation, irradiated by a femtosecond pulse. From theCambridge English Corpus The developmental stage during whichboronlimitation causes sterility in wheat genotypes and the recovery of fertility. From theCambridge English Corpus The main pulse was focused onto the position 0.1 mm aboveborontarget. From theCambridge English Corpus An injection causes aboroncompound to accumulate in the tumour. From theCambridge English Corpus Enhancement of 24.77-nm line emitted by the plasma ofboronnitride capillary discharge irradiated by a high-intensity ultrashort laser pulse. From theCambridge English Corpus Boron-doped diamond is the inert material that sets new standards in electrochemical treatment. From theCambridge English Corpus Opacity measurements of a radiatively heatedboronsample. From theCambridge English Corpus Figure 4 shows the intensity trace of high order harmonic generation fromboronlaser plasma. From theCambridge English Corpus A silicon atom has four electrons in the valence band; phosphorus has five such electrons, andboronthree. From theCambridge English Corpus However, their range capability was far below that of theboron0polyimide concept. 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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