WitrynaImpurity control is an essential aspect of quality control in individual monographs of the Ph. Eur. In this module, you learn about the Ph. Eur. policy on impurity control. It covers all types of impurities, whether they are organic, inorganic (including elemental impurities), solvents or DNA-reactive impurities such as N-nitrosamines. WitrynaImpurity atoms utilized as dopants such as boron (B), phosphorus (P) and arsenic (As) occupy substitutional positions where the dopant atoms can contribute free elec- trons or holes to the silicon lattice (dopant atoms introduced to silicon by ion implantation may not occupy substitutional positions until the dopant is activated).
impurity - Tłumaczenie po polsku - Słownik angielsko-polski Diki
Witrynaimpurity: [noun] something that is impure or makes something else impure. Witryna718 records matching your search string: "impurity". Click on the hyperlink(s) in column"Cat. No." below to obtain a more detailed information on the substance, or … cse agrom
European Medicines Agency
WitrynaBinding energies in spherical semiconductor quantum dot (QD) are investigated in this paper. Energy spectrum calculations are performed under effective mass approximation by assuming spherically symmetric confining potential of finite depth. We examined electronic structure of one-electron QD without impurity and with impurity in the … WitrynaConsider first that use a donor impurity D° (ie: a germanium atom) that breaks the translational symmetry of the crystalline structure in its location, with the appearance of additional potential due to the type of impurity. Depending on the dimensions of the geometrical confinement experienced by the impurity and its position, it will have ... Witrynaimpurity concentration with increasing number of diavol-umes,similar toEq.(1),but therateofdecline isreduced by a factor of 1 + nKC p where C p is the protein concentration during the diafiltration process. Thus, more diavolumes are needed to reduce the impurity concentration by a given factor in the presence of impurity … cse agsh paris