Sound pressure level Sound pressure is the difference, in a given medium, between average local pressure and the pressure in the sound wave.

Similar phenomena affect strong sound waves in gas or plasma, due to the dependence of the sound speed on temperature and pressure.

In air, sound pressure can be measured using a microphone, and in water with a hydrophone.

In a geostrophic flow, instead of water moving from a region of high pressure (or high sea level) to a region of low pressure (or low sea level), it moves along the lines of equal pressure (isobars).

Simple explanation Sea water naturally wants to move from a region of high pressure (or high sea level) to a region of low pressure (or low sea level).

Need for multisectoral commitment at the international level to the sound management of chemicals

At the national level, we have combined sound macroeconomic policies with strong social programmes.

The average air pressure at sea level is , with little variance throughout the year.

But these countries experience is entirely different from that of developing economies, which are under intense pressure to build a sound PRI quickly.

The ICAO defines the International Standard Atmosphere, which is the model of the standard variation of pressure, temperature, density, and viscosity with altitude in the Earth's atmosphere, and is used to reduce a station pressure to sea level pressure.

Nevertheless, a sound basic structure at ministerial and interministerial level is essential to the success of gender mainstreaming.

On a larger level, vasoconstriction is one mechanism by which the body regulates and maintains mean arterial pressure.

develop their own plans of action, be it at the national or regional level, based on sound scientific advice.

The choice of the antihypertensive agent is open as long as the blood pressure is controlled to desired level.

Smiling can help reduce the level of stress enhancing hormones like cortisol, adrenaline and dopamine, increase the level of mood enhancing hormones like endorphin and reduce overall blood pressure.

Recognizing, in this context, the importance of an enabling environment and sound economic policy at both the national and the international level,

If the emergency level has been passed, we must immediately sound the alarm to mobilize the international community to save human lives.

So starting from a three dimensional ping sound system, a vibrating vest, a click wheel with voice commands, a leg strip, even a shoe that applies pressure to the foot.

The government has maintained a sound fiscal policy, despite consecutive budget deficits in 2002 and 2003, and a negligible level of foreign debt.

Furthermore, this equilibrium must be supported by an enabling international environment that complemented a sound approach by African countries at the domestic level.

A sound mind in a sound body.

Sound familiar? Sound like anyone you know?

Trust busters argue that such Chinese walls always break down under pressure, owing to huge shareholder demand for universal banks to boost profits at the expense of a sound commercial banking core.

Again and again, he has repeated that, so long as inflationary pressure remains contained, his main concern is the high level of US unemployment.

The first, the Bell X 1, became well known after it became, in 1947, the first aircraft to break the sound barrier in level flight.

For them, a sound economy requires a sound production structure.

The intention is to propose further work at both the national and the international level to fill the gaps in knowledge and develop sound policy recommendations.

The pressure gradient between this region and the ambient pressure will propel matter toward the low pressure area.

Pressure was already growing to introduce trade sanctions in response to China s refusal to allow its currency to rise to a natural level against the dollar.

An important implication of the decline in the fertility rate to replacement level or below is the pressure on the family to care for the elderly.

Development assistance is a catalyst for growth, but the primary engine for economic expansion and transformational development is sound policies at the national level and accountable government.

(iii) Governments assessing and adopting additional economic instruments at the national level that can help advance internalization of the costs of sound chemicals management within relevant industries

Shutter sound

Sound familiar?

To maintain a pressure in the cabin equivalent to an altitude close to sea level would, at a cruising altitude around 10,000 m (33,000 feet), create a pressure difference between inside the aircraft and outside the aircraft that would require greater hull strength and weight.

6. Recognizes the importance of the adoption of appropriate policy responses to the challenges of globalization at the national level, in particular by pursuing sound and stable domestic policies, including sound macroeconomic and social policies, in order to realize the objective of the eradication of poverty

Sound design, Sound effects, ADR, Foley and Music, culminating in a process known as sound re recording or mixing with professional audio equipment.

I heard a sound from heaven, like the sound of many waters, and like the sound of a great thunder. The sound which I heard was like that of harpists playing on their harps.

What's that sound?

The sound quality, or the sound of the sound is how I like to describe timbre, tone color they cannot tell these things whatsoever.

Stereo sound was introduced in the early 1980s, and quadraphonic sound came in 1989.

The airspeed is derived from the difference between the ram air pressure from the pitot tube, or stagnation pressure, and the static pressure.

Measurement and units Vapor pressure is measured in the standard units of pressure.

So Western diplomats who negotiate with China should call lower level officials bluff, and focus on the signal to noise ratio, bearing in mind that, ultimately, decisions are taken quietly at a higher level by pragmatic leaders who are indeed susceptible to pressure.

Diplomatic pressure needed