silicate-based cement
71Chalcogenide glass — A chalcogenide glass (hard ch as in chemistry ) is a glass containing one or more chalcogenide elements. These are Group 16 in the periodic table e.g. sulfur, selenium or tellurium. Such glasses are covalently bonded materials and may be… …
72Waterproofing — Waterproof or water resistant describes objects unaffected by water or resisting water passage, or which are covered with a material that resists or does not allow water passage. Such items may be used in wet environments or under water.… …
73Optical lens design — refers to the calculation of lens construction parameters (variables) that will meet a set of performance requirements and constraints, including cost and schedule limitations. Construction parameters include surface profile types (spherical,… …
74Spectrométrie de fluorescence X — Pour les articles homonymes, voir SFX, FX et XRF. Un chimiste manipule un goniomètre manuel pour l analyse par spectrométrie de fluorescence X de monocristaux d échant …
75Oxia Palus quadrangle — Quadrangle map of Oxia Palus labeled with major features. This quadrangle contains many areas of chaotic terrain and many outflow channels (old river valleys) The Oxia Palus quadrangle is one of a series of 30 quadrangle maps of Mars used by the… …
76glass ionomer — a dental filling material that is based on a cement of a silicate glass and an organic acid …
77glass ionomer — a dental filling material that is based on a cement of a silicate glass and an organic acid …
