It is the purpose of this district to provide suitable controls for research and engineering facilities and related manufacturing and processing incidental to the research and engineering uses and operations, provided that such uses and operations are free from offensive noise, vibration, smoke, odors, glare, hazards of fire or other objectionable and dangerous conditions and that they can be adequately served by Township facilities, including water and sewers, and that they provide for adequate buffer areas, landscaping and screening so as not to impair any adjacent residential development.