Because of the difference between daytime and nighttime propagation conditions, it has been necessary to evolve different allocation structures for daytime and nighttime broadcasting in the AM band, with many more stations operating during the day than at night.

However, in this case as elsewhere it was necessary to arrive at a single standard to be applied to all situations, representing an averaging of conditions, and thus to fix particular points in time which would be considered the dividing points between daytime and nighttime conditions.

It must be conceded that his native land provided Prokofieff with many of the necessary conditions for great creative incentive: economic security and cultural opportunities, incisive idioms, social fermentations for a new national ideology -- a sympathetic public and a large body of performers especially trained to fulfill his purpose.

Neutral or inversion meteorological conditions are necessary for a cloud to travel along the surface.

There is no need here to spell out the conditions of creative teaching except to point out that, at the college level, the sense of community and of community responsibility is even more necessary than it is at other levels.

Countries participating in the SAP have been offered the possibility to become, once they fulfill the necessary conditions, member states of the EU.

Bistability can only arise in biological and chemical systems if three necessary conditions are fulfilled: positive feedback, a mechanism to filter out small stimuli and a mechanism to prevent explosions.

Some years it has been necessary to schedule parts of the Championships at other than the main venue because of weather and / or snow conditions.

But other thinkers sympathetic to his basic argument have suggested that the necessary ( though perhaps still not sufficient ) extra conditions may include the ability to pass not just the verbal version of the Turing test, but the robotic version, which requires grounding the robot's words in the robot's sensorimotor capacity to categorize and interact with the things in the world that its words are about, Turing-indistinguishably from a real person.

Thus the necessary and sufficient conditions for the truth of a proposition of law simply involved internal logic and consistency, and that the state's agents used state power with responsibility.

Proponents of this position believe that the presence of believers during the tribulation is necessary for a final evangelistic effort during a time when external conditions will combine with the Gospel message to bring great numbers of converts into the Church in time for the beginning of the Millennium.

Moreover, the equations are necessary and sufficient conditions for complex differentiation once we assume that its real and imaginary parts are differentiable real functions of two variables.

An intensional definition, also called a coactive definition, specifies the necessary and sufficient conditions for a thing being a member of a specific set.

For determining whether someone is intoxicated by alcohol by some means other than a blood-alcohol test, it is necessary to rule out other conditions such as hypoglycemia, stroke, usage of other intoxicants, mental health issues, and so on.

Remember that conditions change and that the conditions necessary to the initiation of some process may be destroyed by the process itself.

For nonlinear systems this is one of the ( necessary but not sufficient ) conditions for chaotic behavior.

Both are necessary conditions.

Replication failures encouraged Rhine to further research into the conditions necessary to experimentally produce the effect.

When a fighter is launched it is almost immediately followed by the VC10 as changeable weather conditions might make diversion to another airfield necessary.

In judging of the welfare of the slaves, it is necessary to distinguish the different conditions of slavery.

Structural adjustment agreements with the International Monetary Fund, World Bank, Inter-American Development Bank, and other international financial institutions aiming at creating necessary conditions for private sector growth, have proved only partly successful.

In studying such transformations it is always necessary to distinguish between the material transformation of the economic conditions of production, which can be determined with the precision of natural science, and the legal, political, religious, artistic or philosophic — in short, ideological forms in which men become conscious of this conflict and fight it out.

The act created the conditions necessary for the development of the capitalist system on central Polish lands.

This monitoring is necessary because, on a parade ground, everyone can hear too much, and without monitoring a confused social event would develop.

As I see it, if war starts and we survive the initial attack enough to be able to fight back, the nuclear weapons we now have -- at least the bombs -- can inflict all the demage that is necessary.

Besides the lack of an adequate ethical dimension to the Governor's case, one can ask seriously whether our lead over the Russians in quality and quantity of nuclear weapons is so slight as to make the tests absolutely necessary.

Blockade runners can be stopped -- by gunfire, if necessary -- searched and held, at least temporarily.

And, given probable public attitudes -- about which reasonably good estimates can be made -- what action is called for to insure necessary support??

In this way the Peace Corps can be launched with its own identity and spirit and yet receive the necessary assistance from those now responsible for United States foreign policy and our overseas operations.

The answers they give can often pave the way to performance increases and, quite often, are necessary for completing entry blanks for different events.

Sometimes it is necessary to roughly calculate the square inch area of the opening but the calculation can usually be made with sufficient accuracy that it won't affect the final computation.

By holding out prospects for external capital assistance, the United States can provide strong incentives to prepare for the concerted economic drive necessary to achieve self-sustaining growth.

While some suppression and some denial are not only necessary but healthy, the worker's clinical knowledge must determine how these defenses are being used, what healthy shifts in defensive adaptation are indicated, and when efforts at bringing about change can be most effectively timed.

Religious faith can be considered a necessary condition of membership in a congregation, since the decision to join a worshiping group requires some motive force, but faith is not a sufficient condition for joining ; ;

It is the only county in the state so far this month reporting a possible shortage in GA category, for which emergency allotment can be given by the state if necessary.

However, one can argue that no such control is necessary as long as one pretends that the anti-trust laws are effective and rational.

And it remains to be seen if the new frontier now taking form can produce the leadership and wisdom necessary to understand the current shape of events.

AAC can be used to aid both spoken and written language, and can supplement or replace speech and writing as necessary.

Area can be understood as the amount of material with a given thickness that would be necessary to fashion a model of the shape, or the amount of paint necessary to cover the surface with a single coat.

Machiavelli goes on to reason that Agathocles ' success, in contrast to other criminal tyrants, was due to his ability to mitigate his crimes by limiting them to those that " are applied at one blow and are necessary to one's security, and that are not persisted in afterwards unless they can be turned to the advantage of the subjects ".

However, even without the order of the captain, any member of crew or passenger, can take reasonable measures, when he or she has reasonable grounds to believe that such action is necessary to protect the safety of the aircraft, or of people or property therein.

Inert placebos can have significant antidepressant effects, and so to establish a substance as an " antidepressant " in a clinical trial it is necessary to show superior efficacy to placebo.

The University can rarely provide all the necessary training in first hand experience that an apprenticeship can, and therefore in addition to graduate level training the profession also tends towards encouraging conservation students to spend time as an intern.

Steiner believed results of this form of spiritual research should be expressed in a way that can be understood and evaluated on the same basis as the results of natural science: " The anthroposophical schooling of thinking leads to the development of a non-sensory, or so-called supersensory consciousness, whereby the spiritual researcher brings the experiences of this realm into ideas, concepts, and expressive language in a form which people can understand who do not yet have the capacity to achieve the supersensory experiences necessary for individual research.