• Within a few weeks of (or after) Roentgen's discovery physicians had begun to investigate ...

• Early proteins appeared as soon as 1 minute after infection.

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• Following these two methods, four chemical analysis methods have been tried.

• To overcome the pressure expected following (or after) an accident ...

• On evacuating, gas must flow out through 5-mil holes.

• Once installed, this heater operates automatically.

• Subsequent to exposure at the desired temperatures the specimens were baked at 400°F.

• Upon leaving the tank, the flow divides into four streams.

• This, when integrated (or upon integration), yields: ...

• On substitution of the expression for ? from Sec. 17-15, we obtain ...