anaerobic
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使长胖
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职业
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978-1-4757-5069-0Springer Science+Business Media New York 1971
组装
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Brief Introduction to the Piezoelectric Effectlectrical polarization as the consequence of an applied mechanical force. It will be to our advantage to consider some aspects of electrical polarization in dielectrics before examining piezoelectric phenomena.
改良
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或者发神韵
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Coronary-Spasm
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Piezoelectric Effects in Rocksmaline have permitted us to hypothesize the existence of a piezoelectric effect in such rocks. However, this does not assure that they do exist. The presence of a piezoelectric effect in a rock, as indicated earlier, requires a specific orientation of the polar (electrical) axes of the mineral grain
fixed-joint
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归功于
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Induced Polarization in Rocksduration of their appearance. The first category includes processes involved in the rapid change in current from one constant level to another (see Fig. 55). The second category includes the residual electric field observed in rocks when a field is removed. This latter phenomenon is used in explorat
旧病复发
发表于 2025-3-25 01:37:11
Triboelectric Effects in Rocks is termed a triboelectric effect. Such effects have not yet been well studied, though the question of various forms of electrification of different solid bodies has been the subject of considerable work . During friction or contact between bodies, all materials become electrified, dielectric