Artificial - free u.s.a - Artificial Test Soil (ATS) for Simulated-Use Testing of.

Sensor physics looks at the experimental and theoretical aspects of developing the hardware of subsurface measurements, conveyed by a variety of methods from wireline to wire drilling and coiled tubing, through permanent installations.

It was first sold under the brand name NutraSweet . It was first made in 1965, and the patent expired in 1992. It was initially approved for use in food products by the . Food and Drug Administration (FDA) in 1981. [8] : 2 The safety of aspartame has been the subject of several political and medical controversies, United States congressional hearings , and Internet hoaxes. [9] [10] [11]

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