Бурение грунтовых зондов, установка энергетических колодцев

In chemical pretreatments, chemical transformations induced by pretreatment reagent(s) are the primary cause of improve­ment in the accessibility to cellulose and hemicellulose. Chemical
transformations are involved in many physicochemical pretreat­ments described in Section 5.4 as well. These chemical pretreat­ments can be carried out by using acids, bases or oxidizing agents.

Комментарии запрещены.