31. Needless to say, the Explorer received the chemical treatment . 32. The chemical treatment plants are known as active projects. 33. But when the exterminator arrived, he told her the church didn't require any new chemical treatment . 34. A large number of chemical treatment procedures for the breakdown of primary sources have been developed. 35. With various chemical treatments it is possible to produce the structures cellulose III and cellulose IV. 36. A series of chemical treatments then engraves the produced pattern into the material underneath the photoresist. 37. Chemical treatment , pH balance, water testing and vacuuming should also be part of the maintenance schedule.38. These methods are usually used in conjunction with chemical treatments in order to achieve complete decellularization. 39. Biologists are experimenting with chemical treatments and hope to use plants to absorb the contamination, he said. 40. This research will lead to a whole new world of medicine, pharmacology, agriculture, chemical treatments , and compounds.