substitution of material

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• Material selection — is a step in the process of designing any physical object. In the context of product design, the main goal of material selection is to minimize cost while meeting product performance goals.[1] Systematic selection of the best material for a given …   Wikipedia

• Substitution cipher — In cryptography, a substitution cipher is a method of encryption by which units of plaintext are replaced with ciphertext according to a regular system; the units may be single letters (the most common), pairs of letters, triplets of letters,… …   Wikipedia

• substitution vein — noun or substitution deposit : a metalliferous vein formed by the partial or complete substitution of the vein material for the original rock or mineral called also replacement vein …   Useful english dictionary

• Sensory substitution — means to transform the characteristics of one sensory modality into stimuli of another sensory modality. It is hoped that sensory substitution systems can help handicapped people by restoring their ability to perceive a certain defective sensory… …   Wikipedia

• Gloss (material appearance) — Gloss is an optical property, which is based on the interaction of light with physical characteristics of a surface. It is actually the ability of a surface to reflect light into the specular direction. The factors that affect gloss are the… …   Wikipedia

• DES supplementary material — For reference, this article details the various tables referenced in the Data Encryption Standard (DES) block cipher. All bits and bytes are arranged in big endian order in this document. That is, bit number 1 is always the most significant bit.… …   Wikipedia

• input substitution — The substitution of a cheaper raw material input for other inputs that have stayed the same price or become more expensive …   Big dictionary of business and management

• Allomorph — Al lo*morph, n. [Gr. ? other + morfh form.] (Min.) (a) Any one of two or more distinct crystalline forms of the same substance; or the substance having such forms; as, carbonate of lime occurs in the allomorphs calcite and aragonite. (b) A… …   The Collaborative International Dictionary of English

• Graham v. John Deere Co. — SCOTUSCase Litigants=Graham v. John Deere Co. ArgueDate=October 14 ArgueYear=1965 DecideDate=February 21 DecideYear=1966 FullName=William T. Graham, et al. v. John Deere Co. of Kansas City, et al., together with No. 37, Calmar, Inc. v. Cook… …   Wikipedia

• allomorph — al·lo·morph al ə .mȯrf n 1) any of two or more distinct crystalline forms of the same substance 2) a pseudomorph that has undergone change or substitution of material al·lo·mor·phic .al ə mȯr fik adj al·lo·mor·phism al ə .mȯr .fiz əm n …   Medical dictionary

• reaction mechanism — Introduction       in chemical reactions (chemical reaction), the detailed processes by which chemical substances are transformed into other substances. The reactions themselves may involve the interactions of atoms (atom), molecules (molecule),… …   Universalium