"13\uC871 \uC6D0\uC18C"@ko . "13\uC871 \uC6D0\uC18C\uB294 \uBD95\uC18C\uC871(boron group, \u787C\u7D20\u65CF)\uC774\uB77C\uACE0\uB3C4 \uD558\uBA70, \uC8FC\uAE30\uC728\uD45C\uC758 \uC5F4\uC138 \uBC88\uC9F8 \uC871\uC5D0 \uC18D\uD558\uB294 \uD654\uD559 \uC6D0\uC18C\uC774\uB2E4. \uBD95\uC18C, \uC54C\uB8E8\uBBF8\uB284, \uAC08\uB968, \uC778\uB4D0 \uB4F1\uC73C\uB85C \uAD6C\uC131\uB41C\uB2E4. \uBC18\uB3C4\uCCB4 \uB808\uC774\uC800\uC758 \uC7AC\uB8CC\uB85C \uC0AC\uC6A9\uB418\uACE0 \uC788\uB294 \uBB3C\uC9C8\uC774\uB2E4. 1. \n* \uB118\uACA8\uC8FC\uAE30"@ko . . . "13\uC871 \uC6D0\uC18C\uB294 \uBD95\uC18C\uC871(boron group, \u787C\u7D20\u65CF)\uC774\uB77C\uACE0\uB3C4 \uD558\uBA70, \uC8FC\uAE30\uC728\uD45C\uC758 \uC5F4\uC138 \uBC88\uC9F8 \uC871\uC5D0 \uC18D\uD558\uB294 \uD654\uD559 \uC6D0\uC18C\uC774\uB2E4. \uBD95\uC18C, \uC54C\uB8E8\uBBF8\uB284, \uAC08\uB968, \uC778\uB4D0 \uB4F1\uC73C\uB85C \uAD6C\uC131\uB41C\uB2E4. \uBC18\uB3C4\uCCB4 \uB808\uC774\uC800\uC758 \uC7AC\uB8CC\uB85C \uC0AC\uC6A9\uB418\uACE0 \uC788\uB294 \uBB3C\uC9C8\uC774\uB2E4. 1. \n* \uB118\uACA8\uC8FC\uAE30"@ko . .