1896 Arrhenius (1119300), страница 10
Текст из файла (страница 10)
I have therefore estimated the nebulosity at ditt~rent latitudes with the help of the chart publishedby Teisserenc de Bort, and calculated the following table forNebulosity..~ .~Reduction factor.•'"K=0"67.1t"=1.5." ~ 1--/I70i60/L56"367"655-8 / 0'9240'~63 / ()'853 ! --3"0--2"43"32'7i5'763"3i2"91 ['057 ()'813;] 0'942i --3'5--2"73'82'936'552"5t291 ['177 0939 1 1"041 I - 3 " 9--3"14"13'328"547"2--3"24"53"528'547'0)8'81 ['296 I 1 "0091 1"120 --4"1II24"2] 1"308 1"017 1"087 --4'1--3"24'33"4- 3 ' 1 ! --2"7|3"fi2"9--2'93"12-85O/40302010o!I5 6 " 7 23'3 1"031 0'90354"859"747"854"022"5 1"056 0"932 0"96-3'3-29"649"623"3 1"279 0"979 0'972-4"1--o'1!24"2 0"970'933I50'10"867 0'892--2"6--10'9/3"43'04"i3'24"(3"43"I3"1--20, -' "--4062"061"12"~ 0 8 60"837 0'83871"071"50"~ 0"749 0"719 0"719--2'9--50-6o1* Of.
p. ~6~,276Prof. J. G. MacGregor on the Calculation ofthe value of the variation of temperature, if the carbonic aciddecreases to 0"67or increases to 1"5 times t h e present quantity. In the first column is printed the latitude; in the secondand third the nebulosity over the continent and over theocean; in the fourth the extension of the continent in hundredths of the whole area. After this comes, in the fifth andsixth columns, the reduction factor with which the figures inthe table are |o be multiplied/'or getting the true variation Oftemperature over continents and over oceans, and, in theseventh column, the mean of both these correction factors.In the eighth and ninth columns the temperature variationsfor K=0"67, and in the tenth and eleventh the corresponding ~alues for K---l'5 are tabulated.The mean value of the reduction factor ]q.
of equator is forthe continent (to 70° N. ]at.) 1"098 and for the ocean 0"927, inmean 0"996. For the southern hemisphere (to 60° S. lat.) itis found to be for the continent 1"095, for the ocean 0"871~ inmean 0"907. The influence in the southern hemisphere will,therefore, be about 9 per cent. less than in the northern.In consequence of the minimum of nebulosity between 20°and 30° latitude in both hemispheres, Ille maximum effectOf the variation of carbonic acid is displaced towards theequator, so that it falls at about 25 ° latitude in the two casesof K-----0"67 and K=1"5.X X X I I . On the Calculation of the Conductivity of Mixtures ofF/ectrolytes..By Prof. J. G.
MACGREGOI~ .Dalhous~eCollege, Halifax, N.S. ~R R H E N I U S has deducedt, as one of the consequencesAof the dissociation theory of electrolytic conduction,that the condition which must be fulfilled in order that twoaqueous solutions of single electrolytes, which have one ionin common and which undergo no change of volume on beingmixed, may be isohydric, i. e. may on being mixed undergono change in their state of dissociation or ionisation, is thatthe concentration of ions, i.e. the number of dissociatedbgramme-molecules per unit of volume, shall be the same foroth solutions. He obtained this result by combining theequations of kinetic equilibrium ibr the constituent electrolytesbefore and after mixture.According to the above theory, the specific conductivityof a mixture of two solutions of electrolytes 1 and 2, whose• , Abstract of a pal~er read before the Nova SeotlanInstitute of Scienceon the 9th of December~ ]895.
Communicated by the Author.t Zschr. f 2hysikalische Chemie~it. p. 284 (1888)..
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