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they knock electrons loose from the semiconductor's atoms. to be of use to us, these electrons need to be harvested or herded somewhere to generate an electrical current. in order to achieve this, an electrical imbalance is needed within the pv cell. you can liken this to a slope down which the electrons...
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cancel all . product: nc drilling edm machines . banks parameter data. each set can save various machining parameters. available to expand to sets (optional). . parameter data can be finely ... company: [ tw] ocean techologies co., ltd. . product: chip inserting and pressing machine the lgip- is a tool for...
in the early s and put all his resources into developing and marketing it. this put westinghouse's business in direct competition with thomas edison , who marketed direct current for electric power distribution. in westinghouse received the aiee 's edison medal "for meritorious achievement in connection...
probe as used in scanning tunneling (stm) or atomic force microscopy (afm) for inducing physical or electrical perturbations in a recording medium, the permanent effect of which being the writing of at least one information unit of a sequence disposed along a track; reproducing such memorised information...
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