Copernicus, by placing the sun at the center of the planetary universe, was able to reduce the number of epicycles from eighty-three to seventeen.

it involves a reduction in the number of epicycles from eighty-three to seventeen ''.

We did our job, Mr. Stavropoulos and Mr. De Seynes and myself, taking evidence from a number of people ''.

One serves society by conducting a business from which a certain number of employees draw their means of subsistence ; ;

The CTCA distributed a khaki-bound songbook that provided the impetus for spirited renditions of the selections found therein, plus a number of others whose lyrics were more earthy -- from `` Johnny Get Your Gun '' to `` Keep The Home Fires Burning '' to `` Mademoiselle From Armentieres ''.

But the attempt itself produced a number of brilliant works, and these form a transition from the early romantic period to the new age of Ibsen and Chekhov.

That Aristotelean-Thomistic principle experienced a thorough going-over from a number of the participants, but in the end the concept came to reassert itself.

and it is still very far from certain how valid the party's claim is that in `` a growing number of kolkhozes '' the peasants are finding it more profitable, to surrender their private plots to the kolkhoz and to let the latter be turned into something increasingly like a state farm.

Although a look of alarm passed over his face, he did not arrest his movements but disappeared into the shower room just as the chambermaid emerged from number nine.

The Navy, on April 25, announced it is bringing back the carrier Shangri-La from the Mediterranean, increasing to four the number of attack carriers in the vicinity of Cuba.

The Peace Corps can either begin in very low gear, with only preparatory work undertaken between now and when Congress finally appropriates special funds for it -- or it can be launched now and in earnest by executive action, with sufficient funds and made available from existing Mutual Security appropriations to permit a number of substantial projects to start this summer.

If your state has no provisions for the numbering of pleasure boats, you must apply for a number from the U.S. Coast Guard for any kind of boat with mechanical propulsion rated at more than 10 horsepower before it can be used on Federal waterways.

The number on the right of the symbol is always subtracted from the number on the left of the symbol.

Aside from the Ruger carbine, a number of hunting rifles have been introduced for the first time.

Reduces losses from stomach, hookworm, and nodular worms by interfering with reproduction of the female worm by reducing the number of eggs laid and essentially rendering all laid eggs sterile.

Are your expenses in this area commensurate with the number of employees who benefit from your program??

A number of semiempirical estimates by various workers lead to the conclusion that the Af bond becomes symmetric when the Af bond length is about 2.4 to 2.5 A, but aside from the possible example of nickel dimethylglyoxime there have been no convincing reports of symmetric Af bonds.

There may be a number of secondary effects resulting from diffusion through buildings such as widespread contamination of kitchens, restaurants, food stores, hospitals, etc..

Second, the upper portion permits comparison of maturity levels of an equal number of growth centers from the long, short, and round bones of the five regions.

It seems clear, from the counter-balanced shape of the series of arrows in Figure 5 that there was about an equal number of early and late Onsets and Completions for the 34 girls.

At the present time we do not know by what biochemical mechanism TSH acts on the thyroid, but for bio-assay of the hormone there are a number of properties by which its activity may be estimated, including release of iodine from the thyroid, increase in thyroid weight, increase in mean height of the follicular cells and increase in the thyroidal uptake of Af.

In litters of eight mice from similar parents, the number of mice with straight instead of wavy hair is an integer from 0 to 8.

More generally, suppose that an experiment consists of a number of independent trials, that each trial results in either a `` success '' or a `` non-success '' ( `` failure '' ), and that the probability of success remains constant from trial to trial.

On the remainder of the clear channels, the dominant ( class 1 ) -- B stations are protected as described above, and the relatively small number of secondary ( class 2 ) ) stations permitted to operate on these channels at night are required to operate directionally and/or with reduced power so as to protect the class 1, stations.

Additional class 2, assignments for daytime operation can be made without causing destructive interference to the class 1, stations or to each other, and by their operation provide additional service on these channels and additional local outlets for a large number of communities.

When three dice are tossed repeatedly, what is the probability that the number of aces is 0 ( or 1, or 2, or 3 )??

For an experiment to qualify as a binomial experiment, it must have four properties: ( 1 ) there must be a fixed number of trials, ( 2 ) each trial must result in a `` success '' or a `` failure '' ( a binomial trial ), ( 3 ) all trials must have identical probabilities of success, ( 4 ) the trials must be independent of each other.

For example, the marksman gets 5 shots, but we take his score to be the number of shots before his first bull's-eye, that is, 0, 1, 2, 3, 4 ( or 5, if he gets no bull's-eye ).

The number of successes on each shot is a value of a random variable that has values 0 or 1, and there are 5 such random variables here.

There were two methods that could have been used for conducting the study within the resources available: ( 1 ) interviews in depth with a few selected companies, and ( 2 ) the more limited interrogation of a large number of companies by means of a mail questionnaire.

However, in the actual assessment of the cutting force by instrumental methods for any thickness of coating a number of spurious effects occur which must be taken into account and which make the measured value larger than the true cutting force indicated by eqn. ( 1 ).

Table 1,, p. 394, shows a comparison of K factor ratings of a number of commercial insulating materials in common use, including two different types of rigid urethane foam.

One Nepōhualtzintzin ( 91 ) represented the number of days that a season of the year lasts, two Nepōhualtzitzin ( 182 ) is the number of days of the corn's cycle, from its sowing to its harvest, three Nepōhualtzintzin ( 273 ) is the number of days of a baby's gestation, and four Nepōhualtzintzin ( 364 ) completed a cycle and approximate a year ( 1 days short ).

In addition, mixed race ( European and African ) people amount to about 2 %, with a small ( 1 %) population of whites, mainly ethnically Portuguese ( as a former overseas territory of Portugal until 1975, the Portuguese make up currently the largest non-African population, with certainly more than 100, 000, a number that has been constantly increasing from the 2000s, because of Angola's growing demand for qualified human resources.

The proposed change would define 1 A as being the current in the direction of flow of a particular number of elementary charges per second.

While Nicomachus ' algorithm is the same as Euclid's, when the numbers are prime to one another it yields the number " 1 " for their common measure.

Although England decisively won the Ashes 4 – 1, Bodyline caused such a furore in Australia that diplomats had to intervene to prevent serious harm to Anglo-Australian relations, and the MCC eventually changed the Laws of cricket to curtail the number of leg side fielders.

An algebraic number of degree 1 is a rational number.

An example of such a number is the unique real root of the polynomial ( which is approximately 1. 167304 ).

An algebraic integer is an algebraic number which is a root of a polynomial with integer coefficients with leading coefficient 1 ( a monic polynomial ).

The simple names s orbital, p orbital, d orbital and f orbital refer to orbitals with angular momentum quantum number l = 0, 1, 2 and 3 respectively.

The gathering of ormers is now restricted to a number of ' ormering tides ', from January 1 to April 30, which occur on the full or new moon and two days following.

For example, the prime number theorem states that the number of prime numbers less than or equal to N is asymptotically equal to N / ln N. Therefore the proportion of prime integers is roughly 1 / ln N, which tends to 0.