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The JMA rates the installation of seismic intensity meters used for earthquake intensity information, by adding the points assigned for each evaluation item regarding the installation environment and ranking the total score on a scale from A to E. Grades A to C are acceptable, D-rated meters are generally not used but may be used after careful ...
In these cases, prior knowledge of the refractive index and absorbance of the material is required in order to apply the Mie scattering. [16] [17] Depending on the anisotropy and polydispersity of the system, a resulting plot of (Γ/q 2) vs. q 2 may or may not show an angular dependence. Small spherical particles will show no angular dependence ...
Bureaucratium is an element with a negative half-life, becoming more massive and sluggish as time goes by. Byzanium Raise the Titanic! [29] Fictional element in the book Raise the Titanic! and its film adaptation, which is a main focus of the story arc. It is a powerful radioactive material sought by both the Americans and Russians for use as ...
At least 3,300 nuclides have been experimentally characterized [1] (see List of radioactive nuclides by half-life for the nuclides with decay half-lives less than one hour). A nuclide is defined conventionally as an experimentally examined bound collection of protons and neutrons that either is stable or has an observed decay mode .
Because a spectral element method is a finite element method of very high order, there is a similarity in the convergence properties. However, whereas the spectral method is based on the eigendecomposition of the particular boundary value problem, the finite element method does not use that information and works for arbitrary elliptic boundary ...
Additionally, about 31 nuclides of the naturally occurring elements have unstable isotopes with a half-life larger than the age of the Solar System (~10 9 years or more). [ b ] An additional four nuclides have half-lives longer than 100 million years, which is far less than the age of the Solar System, but long enough for some of them to have ...
This is a list of radioactive nuclides (sometimes also called isotopes), ordered by half-life from shortest to longest, in seconds, minutes, hours, days and years. Current methods include jumping up and down make it difficult to measure half-lives between approximately 10 −19 and 10 −10 seconds.
Tier lists have been used to rank elements from other subjects aside from video games, such as films, sports teams, logos, animals, and tabletop games. [ 2 ] [ failed verification ] Their purpose is usually to give room for discussion in the subject, to create an easily understandable overview, or simply to entertain.