Terrestrial plants have a gaseous interchange of oxygen and carbon dioxide which is necessary for respiration and feeding.
The stomata serve for all gaseous interchange between the plant and the surrounding air.
Provision is made for gaseous interchange between the internal tissues and the external air after the formation of cork, by the development of lenticels.
There is, no doubt, a direct interchange of heat between the plant and the air, which in many cases results in a gain of heat by the plant.
Cation between communities and the interchange of their products.
Alexandria had been, since the days of the Ptolemies, a centre for the interchange of ideas between East and West - between Egypt, Syria, Greece and Italy; and, as it had furnished Judaism with an Hellenic philosophy, so it also brought about the alliance of Christianity with Greek philosophy.
Interchange of any two rows or of any two columns merely changes the sign of the determinant.
We can see that (abc)a x b x c x is not a covariant, because it vanishes identically, the interchange of a and b changing its sign instead of leaving it unchanged; but (abc) 2 is an invariant.
It will be seen from ï¿½ 22 that the application of algebra to equations consists in the interchange of equivalent expressions, and therefore comes under (i.) and (ii.).
In the case of addition, for instance, suppose that we are satisfied that in a+b+c+d+e we may take any two, as b and c, together (association) and interchange them (commutation).
Babinet, the brightness of a lateral spectrum is not affected by an interchange of the transparent and opaque parts of the grating.
An interchange of courtesies with the Metropolitan of Kiev on the occasion of the Booth anniversary of the conversion of Russia (1888), led to further intercourse, which has tended to a friendlier feeling between the English and Russian churches.
In Latin there is no evidence for the interchange of c with a sibilant earlier than the 6th century A.D.
Whether that could be, Darnley dictating while still hot from the exciting interchange of words which he meant to report, is a question for psychologists.
The word 6 uXia from iatXEiv (buou, Eau)), meaning communion, intercourse, and especially interchange of thought and feeling by means of words (conversation), was early employed in classical Greek to denote the instruction which a philosopher gave to his pupils in familiar talk (Xenophon, Memorabilia, I.
The indefiniteness of the boundaries between the three classes, and the free interchange of names, show how far they were from being definite offices or orders within the Church.
From the internal, as distinct from the international, aspect, the absolute quantity of money, supposed as of fixed amount, in a country, is of no consequence, while a quantity larger than is required for the interchange of commodities is injurious, as tending to raise prices and to drive foreigners from the home markets.
Notified his accession to the Prussian government in a courteous despatch; the interchange of letters was followed by a confidential discussion between Bismarc-k and Cardinal Franchi at Kissingen during the summer of 1878.
He had no sympathy with political liberalism, but throughout his long reign of forty-two years, with a constant interchange of ministries and many ministerial crises, he never had a serious conflict with the states-general, and his ministers could always count upon his fair-mindedness and an earnest desire to help them to further the national welfare.
A proclamation was then issued to the effect that each kingdom should keep its own laws and customs, that there should be no further interchange of functionaries between the kingdoms, and that no one should again set up a tyranny like that of Ebroin.
Under the head of physics we have the theory of the elements, of sound, heat and cohesion, and finally of chemical affinity - presenting the phenomena of material change and interchange in a series of special forces which generate the variety of the life of nature.
There is an interchange of the divine and human attributes, a communication of the former which deifies the receptive and passive human nature.
The result, owing to its symmetry, must still hold if we interchange accented and unaccented Greek letters, and by comparison we deduce (15) and (16), provided cr2 and Cr~2 are unequal.
Migration.-Passing from the internal factors in the movement of population, the influence has to be taken into account of the interchange of population between different countries.
The last is an old interchange of sounds, and probably the others are older than their first appearance in writing (15th century) suggests.
On the eighteenth and nineteenth of November, the army advanced two days' march and the enemy's outposts after a brief interchange of shots retreated.