positive carrier

  • 31Broadcast television systems — There are several broadcast television systems in use in the world today. An analogue television system includes several components: a set of technical parameters for the broadcast signal, a system for encoding color, and possibly a system for… …

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  • 32Van der Pauw method — The van der Pauw Method is a commonly used technique to measure the sheet resistance of a material. The Van der Pauw method is often used to measure the Hall effect, which characterises a sample of semiconductor material and can be successfully… …

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  • 33subatomic particle — or elementary particle Any of various self contained units of matter or energy. Discovery of the electron in 1897 and of the atomic nucleus in 1911 established that the atom is actually a composite of a cloud of electrons surrounding a tiny but… …

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  • 34Organic anion transporter 1 — Figure 1 Schematic representation of transmembrane proteins: 1. a membrane protein with one transmembrane domain 2. a membrane protein with three transmembrane domains 3. OAT1 is believed to have twelve transmembrane domains. [1] The membrane is… …

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  • 35Electric current — Electromagnetism …

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  • 36Neurophysin I — Oxytocin, prepropeptide Identifiers Symbols OXT; MGC126890; MGC126892; OT; OT NPI External IDs …

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  • 37Sperm donation — is the provision (or ‘donation’) by a man, (known as a ‘sperm donor’), of his sperm, with the intention that it be used to impregnate a woman who is not usually the man s sexual partner, in order to produce a child. A sperm donor is the natural… …

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  • 38Custody transfer — in the oil and gas industry refers to the transactions involving transporting physical substance from one operator to another. This includes the transferring of raw and refined petroleum between tanks and tankers; tankers and ships and other… …

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  • 39Hall effect — For the Colombian band, see The Hall Effect (band). The Hall effect is the production of a voltage difference (the Hall voltage) across an electrical conductor, transverse to an electric current in the conductor and a magnetic field perpendicular …

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  • 40Bipolar junction transistor — BJT redirects here. For the Japanese language proficiency test, see Business Japanese Proficiency Test. PNP …

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