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An extract on #kaptannseyirdefteri

The word derives from a Latin word for "field" and was first used to describe the large field adjacent Nassau Hall of the College of New Jersey (now Princeton University) in 1774. The field separated Princeton from the small nearby town. Some other American colleges later adopted the word to describe individual fields at their own institutions, but "campus" did not yet describe the whole university property. A school might have one space called a campus, one called a field, and another called a yard.

Crossbows are used for shooting sports and bowhunting in modern archery and for blubber biopsy samples in scientific research. In some countries such as Canada or the United Kingdom, they may be less heavily regulated than firearms, and thus more popular for hunting; some jurisdictions have bow and/or crossbow only seasons.

Conservation equations can be also expressed in integral form: the advantage of the latter is substantially that it requires less smoothness of the solution, which paves the way to weak form, extending the class of admissible solutions to include discontinuous solutions. By integrating in any space-time domain the current density form in 1-D space: y t + j x ( y ) = 0 {\displaystyle y_{t}+j_{x}(y)=0} and by using Green's theorem, the integral form is: y d x + 0 j ( y ) d t = 0 {\displaystyle \int _{-\infty }^{\infty }ydx+\int _{0}^{\infty }j(y)dt=0} In a similar fashion, for the scalar multidimensional space, the integral form is: [ y d N r + j ( y ) d t ] = 0 {\displaystyle \oint [yd^{N}r+j(y)dt]=0} where the line integration is performed along the boundary of the domain, in an anticlock-wise manner. Moreover, by defining a test function (r,t) continuously differentiable both in time and space with compact support, the weak form can be obtained pivoting on the initial condition. In 1-D space it is: 0 t y + x j ( y ) d x d t = ( x , 0 ) y ( x , 0 ) d x {\displaystyle \int _{0}^{\infty }\int _{-\infty }^{\infty }\phi _{t}y+\phi _{x}j(y)dxdt=-\int _{-\infty }^{\infty }\phi (x,0)y(x,0)dx} Note that in the weak form all the partial derivatives of the density and current density have been passed on to the test function, which with the former hypothesis is sufficiently smooth to admit these derivatives.