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Not exactly. Gamma rays belong to the class of EM waves, just like radio, microwave, light, and Xrays. EM waves get absorbed by metals. The higher the atomic weight of the element, the faster the EM wave get absorbed during penetration. The absorption is due to electrons taking in the gamma energy and convert the incoming energy to heat or light or ionizing events. The heavy atomic nuclei can also redirect the direction of the radiation and turn it at an angle or totally reflected. Hence, EM wave will penetrate less in Pb than in Al, for example. In order to shield gamma rays (or Xrays) from harming a human or an integrated circuit, a thicker Al shield will be needed than a Pb shield. Please try the related link for visualization. ================================
The closest star would be Alpha Centauri A (Not to be confused with Proximus Centauri) which has a stellar class [See Link] of G2V which is the same as our Sun. It's distance is about 4.3 light years away.
* * * yes it is a second class...
A Third Class lever...
First class lever
Alpha - gray Beta - Mulberry Gamma - Green Delta - khaki Epsilon - black
gamma globulins
Gabapentin (neurotonin) is in a drug class called anticonvulsants.
Think you've got this backwards. The exponential probability distribution is a gamma probability distribution only when the first parameter, k is set to 1. Consistent with the link below, if random variable X is distributed gamma(k,theta), then for gamma(1, theta), the random variable is distributed exponentially. The gamma function in the denominator is equal to 1 when k=1. The denominator will reduce to theta when k = 1. The first term will be X0 = 1. using t to represent theta, we have f(x,t) = 1/t*exp(-x/t) or we can substitute L = 1/t, and write an equivalent function: f(x;L) = L*exp(-L*x) for x > 0 See: http://en.wikipedia.org/wiki/Gamma_distribution [edit] To the untrained eye the question might seem backwards after a quick google search, yet qouting wikipedia lacks deeper insight in to the question: What the question is referring to is a class of functions that factor into the following form: f(y;theta) = s(y)t(theta)exp[a(y)b(theta)] = exp[a(y)b(theta) + c(theta) + d(y)] where a(y), d(y) are functions only reliant on y and where b(theta) and c(theta) are answers only reliant on theta, an unkown parameter. if a(y) = y, the distribution is said to be in "canonical form" and b(theta) is often called the "natural parameter" So taking the gamma density function, where alpha is a known shape parameter and the parameter of interest is beta, the scale parameter. The density function follows as: f(y;beta) = {(beta^alpha)*[y^(alpha - 1)]*exp[-y*beta]}/gamma(alpha) where gamma(alpha) is defined as (alpha - 1)! Hence the gamma-density can be factored as follows: f(y;beta) = {(beta^alpha)*[y^(alpha - 1)]*exp[-y*beta]}/gamma(alpha) =exp[alpha*log(beta) + (alpha-1)*log(y) - y*beta - log[gamma(alpha)] from the above expression, the canonical form follows if: a(y) = y b(theta) = -beta c(theta) = alpha*log(beta) d(y) = (alpha - 1)*log(y) - log[gamma(alpha)] which is sufficient to prove that gamma distributions are part of the exponential family.
Stars similar to our Sun have a stellar class of G2V - Alpha Centauri A has the same class as our Sun
Fibroblast cells do produce interferon-gamma. IFNy is a member interferon type II class. Earlier on, IFNy was called as the immune interferon.
Alpha Phi Alpha has incorporated rituals and symbolism from ancient Egyptian civilization. In ancient Egypt, the upper class trained their pet apes to serve at meals. In the APA pledge process, the pledges serve the fraternity members. The pledges cannot communicate in English (or any other language), but only can gesture and make ape sounds.
the class Escherichia coli's in is gamma proteobacteria.
it was in alpha or beta
A male wolf is called a dogwhat are wovles male nameDepends on the class, alpha, beta, and omega.
A male wolf is called a dogwhat are wovles male nameDepends on the class, alpha, beta, and omega.
Alpha Pavonis (Alpha Pav) is a class "B" blue-white binary star.