1 a type of structure of an organism or part of an organism in which a vertical cut through the axis in any of two or more planes produces two halves that are mirror images of each other.2  Compare bilateral symmetry. Trends. 2  a type of structure of an organism or part of an organism in which a vertical cut through the axis in any of two or more planes produces two halves that are mirror images of each other.
What distribution does X/(X+Y), follow, when X and Y are gamma distributed. Prove that the R.V is independent of (X+Y) up vote 0 down vote favorite. What distribution does the following r.v follow: X/(X+Y) Xâ¼Gamma(a,1) Yâ¼Gamma(b,1) and the variables are independent.
Figure 3: Absorption and emission cross sections of Yb:YAG (data for 20 Â°C crystal temperature taken from Ref. [23]). Figure 3 shows the ytterbium transition cross sections of Yb:YAG. In this crystalline material, the absorption and emission peaks are less broad than in a glass. The dominant emission is around 1030 nm, but there is also the weaker 1050-nm peak, which can also be utilized for laser operation.