Как выбрать гостиницу для кошек
14 декабря, 2021
Сегодня каждый, кто собирается в отпуск и не знает, с кем оставить своего котика или кошку, может во[...]
. SOLUTION PREPARATION
Different aqueous solutions, which can be single, or bicomponents were used in this study. In a single component solution, only one chemical is dispersed in demineralized water. In a bi-component solution or a bi-component suspension, separate solutions or suspensions of each of the two chemicals were prepared in an equal amount of demineralized water and then they were mixed together.