| 单词 | positively charged |
| 释义 | positively charged From Longman Dictionary of Contemporary Englishpositively chargedpositively chargedtechnicalHP having the type of electrical charge that is carried by protons → positivelyExamples from the Corpuspositively charged• Cationic detergents: ionise in solution with the active ion being positively charged.• The helium atom without its electrons is known as an alpha particle, and is therefore positively charged.• Sodium has a strong tendency to lose an electron and become the positively charged ion Na.• These positively charged ions are themselves highly hydrated.• Hence when a current is applied, the positively charged ions move toward the cathode carrying water molecules with them.• These fixed negative charges attract a layer of residual positively charged ions which are free to move within the water.• According to the theory, negatively charged electrons within atoms orbit around positively charged nuclei. |
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