… voice into signals for transmission to another device. Upon receipt of a signal, a line telephone set will convert the … converts sound waves into a modulated current. (2) The receiver (headphone or earphone), which reconverts the … receiving end, receiving these impulses and converting them either into conventional symbols or indications representing …
… as hormones (+). - Polypeptide hormones, protein hormones and glycoprotein hormones, their derivatives and structural analogues : 2937.11 - - … (hetero-atoms) or by ring extension or contraction; by either expanding the number of atoms in a ring to a six- or …
… - Chemically bonded fabrics : 7019.71 - - Veils (thin sheets) 7019.72 - - Other closed fabrics 7019.73 … fibre articles excluded from other headings by reason of their nature. Glass fibres have the following properties : … (for example, with silicone), the formed strands are either carried on to a high speed mandril which draws them …
… oils from refining : 3823.11 - - Stearic acid 3823.12 - - Oleic acid 3823.13 - - Tall oil fatty acids 3823.19 - - … fatty acids is usually done by crystallisation either with or without solvent. The liquid part …
… those containing more than one kind of oxygen function, their ethers and esters; salts thereof : 2922.11 - - … or organic or inorganic acid ester functions are regarded either as alcohol, phenol or acid functions, depending on … situated between the amine function and the oxygen atom of either the ether or the ester function should be taken into …
… colouring matter diluted with substances which have no dyeing properties (e.g., anhydrous sodium sulphate, sodium … chloride, dextrin, starch) to decrease or standardise their colouring power. The addition of small quantities of … to the fibre separately from the coupler in the course of dyeing to produce the same colouring matter ( Chapter 29 ). …
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