The three groups were matched in respect of their socio economic status, the quality of schooling and the ecological conditions of their villages .

Some of these factors are inherent to the proper system such as the quality of education, availability of didactic material, quality of teachers and the education ministered, and the higher teacher to student ratio.

As groundwater should be recognized as a natural resource with economic and ecological value, groundwater strategies should aim at the sustainable use of groundwater and preservation of its quality.

Environmental and ecological aspects

Ecological Youth of Angola

So no ecological collapse here.

Overall pressure ratio is 28.0, with a bypass ratio of 4.66.

Overall pressure ratio is 30.4, with a bypass ratio of 5.15.

Aspect ratio

Aspect ratio

Keep ratio

Aspect ratio

Golden Ratio

Custom ratio

The ratio of the two is called the gyromagnetic ratio and is simply the half of the charge to mass ratio.

Preserve Aspect Ratio

Aspect Ratio Crop...

Aspect Ratio Crop

Maternal mortality ratio

Quality of service comprises requirements on all the aspects of a connection, such as service response time, loss, signal to noise ratio, crosstalk, echo, interrupts, frequency response, loudness levels, and so on.

Ecological indicators are mentioned as still undeveloped.

ROSELT Long term Ecological Monitoring Observatories Network

Profitability index (PI), also known as profit investment ratio (PIR) and value investment ratio (VIR), is the ratio of payoff to investment of a proposed project.

Rural urban population ratio

However, linking observed trends in human and ecological health with ambient air quality trends presents a major scientific challenge, given the multiple stressors to which these systems are exposed and the wide variety of systems and responses involved.

In mathematics, two quantities are in the golden ratio if their ratio is the same as the ratio of their sum to the larger of the two quantities.

Select constrained aspect ratio orientation.

In aerodynamics, the aspect ratio of a wing is the ratio of its length to its breadth (chord).

It is called telephony and electricity without ecological interference.

Monitoring should relate to both ecological and economic parameters.

Thanks to the programme of national Long Term Ecological Monitoring Observatories Networks (ROSELT), a dozen observatories in 11 countries have been operating and gathering high quality information on the changes occurring in natural resources and the effectiveness of management systems.

The ratio of this air to the amount of air flowing through the engine core is the bypass ratio.

The increase in core size and overall pressure ratio raised the core flow, decreasing the bypass ratio to 4.26.

The female male ratio is 1 2.

But the ecological revolution has less need for new institutions.

It is time to replace GM technology with ecological farming.

Both candidates want jobs to be created in ecological services.

Bacterioplankton occupy a range of ecological niches in aquatic systems.

Geographic, hydrographic, hydrological, hydrogeological, climatic, ecological, and other natural features

Another important theme of this Meeting is ensuring ecological sustainability.

Ukraine had also elaborated a national programme for ecological education.

This ratio is accomplished by matching the wheelset with the appropriate rail profile to achieve the L V ratio desired.

While the increase in investment reduced the saving GDP ratio, the resulting increase in imports lowered the trade surplus GDP ratio.

These enrichments (δ) represent the ratio of heavy isotope to light isotope in the sample over the ratio of a standard.

This ratio is called the mechanical advantage.