part per billionとは 意味・読み方・使い方

Research and development of pharmaceutical products takes 9 to 17 years from start of research to obtainment of approval and the successful rate by candidate compound is said to be as low as part per 15,622 (0.006%). The development cost per component is said to be about 50 billion including the cost of the components whose development is suspended (Fig. 28).例文帳に追加

医薬品の研究開発には、研究開始から承認取得まで9 年～17年の年月を要し、候補化合物でみた成功確率はわずか15,622 分の 1（0.006%）、１成分あたりの開発費用は途中で断念した費用も含めて約500 億円にのぼるとも言われている（図表 28）。 - 厚生労働省

For your information, I have been informed that a total of 66.2 billion yen, or 11.3% of all deposits, is thus far subject to account termination requests, of which up to 10 million yen is repayable per person, which strikes me as fairly calm reactions on their part.発音を聞く 例文帳に追加

一応、仄聞（そくぶん）するところによると、解約申込金額が662億円1,000万円で11.3％だとお聞きいたしておりまして、非常に冷静な対応をしていただけたなと私は思っております。 - 金融庁