비소(As)는 회색의 부서지기 간단한 준금속 고체이다. 주로 황화물 모습로 다체로운 광물에 포함되어 있으나 일부 순수한 원소 형태로도 존재한다. 회색, 흑색, 검은색 등의 3가지 동소체가 있는데 가장 흔하고 진정적인 동소체는 회색 비소로서 금속비소 또는 알파비소라고도 부른다. 비소 및 비소화합물은 집적회로, 발광다이오드, 배터리 등의 산업분야에 사용되고 있다.
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새 신용평가모형은 카카오뱅크가 2014년 6월 금융서비스 시행 뒤 누적해온 대출 사용 손님들의 금융 거래 데이터를 분석해 적용하는 방식이다. 여기에 이동통신 3사가 보유한 통신비 정상 납부 시간이나 데이터 평균 이용량 등 통신과금 서비스 이용 아이디어 등도 추가해 신용평가에 사용하고 있습니다.
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