熱激活轉變 的英文怎麼說
中文拼音 [rèjīhuózhuǎnbiàn]
熱激活轉變
英文
thermally actuated transformation- 激 : Ⅰ動詞1 （水因受到阻礙或震蕩而向上涌） swash; surge; dash 2 （冷水突然刺激身體使得病） fall ill fr...
- 活 : Ⅰ動詞1 （生存; 有生命） live 2 [書面語]（救活） save （the life of a person）:活人無算 （of a goo...
- 轉 : 轉構詞成分。
- 激活 : activation; sensitization; activate; sensitize; active激活材料 active material; 激活劑 activating...
- 轉變 : change; convert; transform; turn
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At present, people usually use birefrigence and quasi - phase - matching methods to achieve higher effiency in the process of conversion. a significant advantage of quasi - phase - matching method is that the interaction is occurred through the largest element of the x ( 2 ) tensor ; the period of optical superlattice can be designed randomly, and any interaction can be matched without walk - off angle ; they are fitted to be used in frequency conversion of lower power especially. the quasi - phase - matching method has some advantages over birefrigence method, improving the efficiency of frequency conversion ; the range of frequency conversion covers its whole transperant wavelength
由於準相位匹配技術有其獨特的優勢，可以利用非線性光學晶體的最大二階極化張量，如ppln 、 pplt 、 ppktp用的非線性極化張量都是d _ （ 33 ） ，其有效非線性系數高出普通非線性光學介質（如bbo 、 lbo 、 ktp ）一個數量級，而且可以人為靈活設計調制周期，通過周期設計其頻率變換范圍可以覆蓋準相位匹配介質的整個透明波段，選擇無走離效應，解決了常規pm難以解決的問題，拓寬了非線性晶體的應用范圍，極大地提高了頻率轉換效率，已成為非線性光學材料和固體激光器的研究熱點之一。Rapl belongs to ras superfamily of small gtp - binding proteins, which is considered to control cell growth, differentiation and survival. rapl was regarded as an antagonist of ras because it can revert the phenotype of oncogene ras transformed cells. recent researches show that rapl has its ras - independent functions in a variety of cellular systems besides its effect as an antagonist of ras
Rap1除具有逆轉原癌基因ras激活突變體所導致的細胞形態改變而被認為是ras的拮抗物外，最近的研究還發現rap1在一系列的細胞系統中有獨立於ras之外的功能，如控制與細胞粘附有關的事件等，因而成為研究的熱點。
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