4.The ground of the kitchen is easy adherent water and contamination, optional choose pore is small, bibulous the ceramic tile with low rate, clear rise compare save effort.
6.Environmental pollution is a severe fact that the human faces in the process of development and subsistence. Water pollution and organism contamination are two primary aspects of environmental pollution.
8.This study researched contamination of Polycyclic Aromatic Hydrocarbonsin in Henan source water. As a result the contamination are ubiquitous and the primary contamination are Naphthalene, Anthracene, Phenanthrene, Pyrene, Fluoranthene, Flourene and Benz (a) pyrene . The Benz (a) pyrene overtop the standard limit once in a way.
