甲基鋰 的英文怎麼說
中文拼音 [jiǎjīlǐ]
甲基鋰
英文
lithium methide-
Abstract : aim to synthesize a new prodrug, resveratrol trinicotinate. methods in presence of lithium and a catalytic amount of naphthalene, the reaction of p - methoxybenzyl trimethylsilyl ether and 3, 5 - dimethoxylbenzaldehyde gave resveratrol after a series of translation. resveratrol trinicotinate was obtained by the reaction of resveratrol and nicotinoyl chloride hydrochloride. results a mutual prodrug resveratrol trinicotinate was designed and synthesized. conclusion a novel method for synthesis of resveratrol and resveratrol trinicotinate has been afforded. the e - isomer is selectivily obtained by dehydration of the compound 2 with khso4
文摘:目的合成一種前藥白藜蘆醇煙酸酯.方法在金屬鋰片和催化量的萘的存在下， 3 ， 5 -二甲氧基苯甲醛與對甲氧基苯甲醇的三甲基硅醚反應經過一系列轉變得到白藜蘆醇，白藜蘆醇與煙酰氯反應得到白藜蘆醇煙酸酯.結果設計併合成了白藜蘆醇煙酸酯.結論提供了一種合成白藜蘆醇及白藜蘆醇煙酸酯的方法，採用khso4脫水可選擇性的得到反式產物With the existing condition, the bar waveguide on the lithium niobate wafer with liquid phase proton - exchanged method has been fabricated and the benzoic acid is used as the proton source. a series of research on the domain inversion in lithium niobate crystal with proton - exchanged method have been done. and then the operation and the process of domain inversion in lithium niobate crystal with proton - exchanged method has been used
實驗方面，利用實驗室現有條件，在鈮酸鋰晶片上以苯甲酸為質子源，用液相質子交換法製作了條形波導;對用質子交換法實現鈮酸鋰晶體疇反轉進行了一系列實驗研究，在此基礎上提出了質子交換法實現鈮酸鋰晶體疇反轉的工藝過程，實現了疇反轉並腐蝕得到了v型槽;設計製作了帶尾纖的電光相位調制器，最後進行封裝。Abstract : the phenyl lithium, 2 - methoxy phenyl lithium and 2, 4 - dimethoxy phenyl lithium reacted with the cinnamic acid to produce a corresponding chalcone in 75 %, 56 %, 50 % yield, respectively. 2, 6 - dimethoxyphenyl lithium could not react with cinnamic acid, but reacted with methyl cinnamate to produce 2 ， 6 - dimethoxychalcone
文摘:苯基鋰、 2 -甲氧基苯基鋰和2 ， 4 -二甲氧苯基鋰分別與肉桂酸反應以75 ， 65 ， 50的收率生成相應的查爾酮； 2 ， 6 -二甲氧基苯基鋰與肉桂酸不發生反應，但能與肉桂酸甲酯反應生成2 ， 6 -二甲氧基查爾酮；類似的還制得了2 ， 4 ， 6 -三甲氧基查爾酮和2 ， 4 ， 4 ， 6 -四甲氧基查爾酮。( 1 ) carbon aerogel and xerogel were made from resorcinol - formaldehyde organic gels and used as the anode materials for lithium ion batteries. by discussing the influences of pyrolysis temperature, the level of the catalyst and the concentration of reactant in the preparation of carbon materials on their behavior of lithium ion storage, their performance of storing lithium ions and process of charge and discharge were studied in details. moreover, the relationship between the structure of carbon aerogel and xerogel and the performance of storing lithium ions was analysed, and the mechanism of the storage of lithium ions in this type of porous carbon materials based on organic gels was also dicussed simply
（ 1 ）從合成間苯二酚-甲醛有機凝膠出發，制備了碳干凝膠和氣凝膠，研究了其作為鋰離子電池碳陽極材料的儲鋰性能，探討了碳材料制備過程中的熱分解溫度、催化劑用量、反應物含量等條件對碳干凝膠和氣凝膠儲鋰行為的影響，並分析了碳材料結構與儲鋰性能的關系以及充放電過程，也簡單探討了鋰離子在這類基於有機凝膠的多孔碳材料中的存儲機制。分享友人