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橡胶模型制品胶坯精密预成型机
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作者 吴玉彪 《橡塑技术与装备》 CAS 2002年第12期36-39,共4页
介绍了橡胶工业模型制品生产中胶坯制备的三种方法,其中详细介绍了精密预成型机制备胶坯。以上海德仁橡塑机械有限公司生产的精密预成型机为例,从结构、性能及工艺参数等方面进行了分析,说明精密预成型机是批量生产橡胶模型制品的一种... 介绍了橡胶工业模型制品生产中胶坯制备的三种方法,其中详细介绍了精密预成型机制备胶坯。以上海德仁橡塑机械有限公司生产的精密预成型机为例,从结构、性能及工艺参数等方面进行了分析,说明精密预成型机是批量生产橡胶模型制品的一种得力辅助设备。 展开更多
关键词 橡胶模型制品 胶坯 精密预成型机 切割装置 前加料 加料
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Lexical Generativity of Bengali Prefixes: A Corpus-Based Investigation
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作者 Niladri Sekhar Dash 《Sino-US English Teaching》 2012年第5期1171-1180,共10页
Prefixation is a dynamic method of word formation in Bengali. Sometimes prefixes become derivational to create new words, which differ in part-of-speech and meaning from the words with which these are attached. Thus, ... Prefixation is a dynamic method of word formation in Bengali. Sometimes prefixes become derivational to create new words, which differ in part-of-speech and meaning from the words with which these are attached. Thus, prefixation acquires an identity of a morphodynamic process in the language through which new words take birth, while old words change their forms, functions, and meanings to increase lexical stock of Bengali. With reference to a large lexical database of prefixed words obtained from the Bengali corpus (Dash, 2009), this paper tries to explore the nature and type of morphosemantic processes that occur at the time of prefixation to highlight the patterns of change in forms and meaning of prefixed words. Also, it aims at laying a theoretical foundation about the nature of lexical generativity of prefixes used in formation of words. The application relevance of this study may be attested in descriptive linguistics, applied linguistics, and language technology, since analysis of forms and functions of prefixes supplies necessary information for developing text materials for Bengali language teaching, compiling dictionaries, designing systems for machine learning, and developing databases for machine translation. Indirectly, it ventilates into the nature of complexities embedded in linguistic generativity of the Bengali speakers 展开更多
关键词 Bengali PREFIX prefixation lexical generativity morphosemantics MEANING
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怎样掌握好加料酒的时间
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《乡镇论坛》 1999年第2期38-38,共1页
关键词 甲基胺 脂化反应 有机溶剂 营养作用 脱作用 前加料 调味品 投放时间 渗透性 原料
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