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• The albumin sinks to a lower level.

• If the suction pressure declines (or decreases, or drops, or diminishes) to 0.4 in. of water, ...

• At greater heights atmospheric pressure progressively falls off.

• If the temperature sinks below the critical point, ...

I

см. тж. луч падает на; по~

• When a ray hits one of the scatterers ...

• The Moon has been impacted by meteorites for an extended period of time.

• An intense laser beam is incident (up)on a gas-filled sample cell.

• When the bubbles are hit with a laser beam, ...

• A stack of five "thick" platelets reflects only 20% of the light that strikes it.

• The laser beam impinges on a stainless steel cone.

• Radiant energy strikes the emitting surface.

• These two beams strike (or fall on) the screen.

II

см. тж. на который приходится; на ... падает; на ... приходится

• Engine parts accounted for (or constituted, or comprised, or made up) 11.3% of the deliveries.

• Ninety percent of the storage cost is due to tanks.

• Packaging accounts for a disproportionate amount of the total manufacturing cost.

• The observation curves fall off steeply.

• The curve slopes (or falls) steeply down.

• The curve shows a steep decline.

см. тж. опускаться ниже

• When the signal-to-noise ratio drops below a point that can be tolerated, ...

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