01192nam a2200229Ia 4500 CTU_221066 210402s9999 xx 000 0 und d 35 628.53 H584 Hesketh, Howard E. Air pollution control : Traditional and hazardous pollutants Howard E. Hesketh Pennsylvania Technomic Publishing Company 1991 This has made it extremely difficult for equipment vendors to anticipate industry requirements. Overall, the current market projections are not very favorable for the new equipment suppliers. In contrast, the service organizations are seeing increasing need for their help in areas such as dispersion modeling, troubleshooting and testing. Existing systems are being improved upon to keep them in operation. There remains a continuous need for up-to-date references and training materials to serve these needs, and it is for this purpose this revised edition is dedicated Không khí,Air Ô nhiễm,Pollution Nguyên Trung tâm Học liệu Trường Đại học Cần Thơ