virgin fieldとは 意味・読み方・使い方

To regenerate a recovered polyester resin so that its limiting viscosity and acid value may become equivalent to those of a virgin polyester resin, which are required in an application field which requires high durability and resistance to hydrolysis, to make the recovered polyester resin used even in the application field described above.例文帳に追加

高い耐久性や耐加水分解性が求められる用途においても、回収ポリエステル樹脂を使用できるよう、回収ポリエステル樹脂の極限粘度および酸価をこれらの用途で求められるヴァージンポリエステル樹脂並みに再生する。 - 特許庁

Currently, the natural forest, which has not been touched at least since the the field practice forest opened covers 2,150 ha, approx, half of the total area of 4,200 ha of this research forest, and there are virgin forests within it that are considered to be untouched by humans ever since the forest was formed.発音を聞く 例文帳に追加

現在、当研究林の総面積4,200haの約半分に当たる2,150haは少なくとも開設後は手の入っていない天然林で、この中には森林の成立以降人為的な力の加わっていないと考えられる原生林がある。 - Wikipedia日英京都関連文書対訳コーパス