「pphm」に関連した英語例文の一覧と使い方 - Weblio英語例文検索

The ozone-resistant rubber material does not crack on the surface, when the rubber material is thermally aged by exposing it to the amount of thermal energy equivalent to that when it receives during the intended years of use as determined by the activation energy inherent in the rubber material and subsequently an ozone aging test is conducted in an ozone concentration of 50-100 pphm and at a tensile strain of 100-200%.例文帳に追加

ゴム材に固有の活性化エネルギーから求めた、使用予定年数に相当する熱エネルギーをゴム材に与えて熱老化させ、ついでオゾン濃度が５０〜１００ｐｐｈｍの範囲内および引張ひずみが１００〜２００％の範囲内でオゾン劣化試験を行った場合に、表面に亀裂が生じないゴム材である。 - 特許庁