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SECTION 4 Directions: Each question below consists of a word printed in capital letters followed by five lettered words or phrases. Choose the lettered word or phrase that is most nearly opposite in meaning to the word in capital letters. Since some of the questions require you to distinguish ...
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applied sciences Article Grouting for Tunnel Stability Control and Inadequate Grouting Section Recognition: A Case Study of Countermeasure of Giant Karst Cave Peng Peng 1, Feng Peng 2, Zhenyu Sun 1 and Dingli Zhang 1,* 1 Key Laboratory of Urban Engineering of Ministry of Education, Beijing ...
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Following this, we fabricated triangular cross-sectional GAA SNWTs with a nanowire width down to 20 nm by TMAH wet etching. This process featured its self-stopped etching behavior on a silicon (1 1 1) crystal plane, which made the triangular cross section smooth and controllable. The ...
Indeed, graphite spheroids act like "crack-arresters" promoting the mechanical properties of the matrix; on the contrary, the presence of irregular shapes or non-spheroidal graphite such as chunky, exploded, spiky, vermicular and intercellular flake graphite worsens the mechanical properties. All these...
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Each of the multiple reflector sections of the laser serves as a grating. The multiple uniformly distributed slots in the reflector section act as a filter that enhances various FP mode(s), but suppresses other modes of the FP resonance. Hence, it restricts the FP laser to a single mode ...