Any proportional system would gravely weaken that link.

How do we weaken the link between socioeconomic status and health?

Learning can strengthen associations between predictive cues and outcomes and weaken the link between nondescriptive cues and outcomes.

Experts say a nap weakens the link between brain cells - saving us energy.

Removing the chimney may also weaken the structure of your neighbour's.

The extreme temperature variation between seasons was also feared to weaken the structure.

The lateral bonds with neighbouring monomers resolve this anomaly, which in theory should weaken the structure as they can be broken by thermal agitation.

Every species that we lose weakens the structure that holds the planet together.

An official said monsoon rains may have weakened the structure.

The mycorrhizal support system weakens.

Their immune systems weaken as they age, which means that any techniques that could improve them are critically important.

Reforming a system weakened by generations of local authority control and union dogma will take time.

However, the virus often lies dormant in the body and as the immune system weakens later in life it can re-emerge as shingles.

Shortly thereafter, the system weakened and the circulation became exposed from the deep convection.

That will weaken the dollar.

In a secret meeting, finance ministers from the five biggest western economies agreed to do something radical: to intervene in currency markets and weaken the dollar.

So he has added weakening the dollar to his reasons for demanding a rate cut.

Such a reversal increases the attractiveness of non-dollar assets, and weakens the dollar.

Separately, the price of oil continued to fall yesterday amid growing evidence of weakening demand.

With a prospect of weakening demand, the company will probably cut its buying commitments.

The company said that although aluminium output was at record levels, it was responding to the signs of weakening demand and might cut production rates at higher-cost smelting units.

That meant weakening demand for raw materials.

Analysts have suggested that some airlines will have difficulty passing on rising costs in the face of a deterioriat-ing economic climate, which could lead to weakening demand for travel.