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- Treatments of pyrylium salts with various nucleophilic reagents allows the production of a host of functionalized derivatives. 如果各种亲核试剂与吡喃盐反应,就可制取许多种带官能基的衍生物。
- The structure of the resulting pyrylium salts was confirmed by FT/IR, (superscript 1)H NMR, (superscript 13)C NMR, MS spectroscopies and elemental analyses. 分别用红外光谱、核磁共振氢谱、碳谱、质谱以及元素分析对所得化合物进行了表征。
- Keywords Pyrylium salt;Aggeragates;Fluorescence decay; 氧盐;聚集体;荧光衰变;
- Keywords Pyrylium salt;Absorption;Fluorescence;Intramolecular charge transfer; 氧盐;吸收;荧光;分子内电荷转移;
- Keywords Pyrylium salt;Intramolecular charge transfer;Locally excited state; 氧盐;分子内电荷转移;定域激发;
- Salt is a common food preservative. 盐是一种常用的食物防腐剂。
- He spoiled the soup by putting too much salt in it. 他放了太多的盐,把那盘汤糟蹋了。
- My hair kinked up in the salt water. 我的头发在盐水中缠在一起了。
- Add salt, pepper and a dash of vinegar. 加盐、胡椒粉和一点儿醋。
- She is economical in her use of salt when cooking. 她烹饪时用盐很少。
- She lifted the lid of the pot to add some salt. 她掀起锅盖加点盐。
- Add salt to correct the seasoning. 加点盐把味道调好。
- Salt has a preservative effect on food. 盐对食物有防腐作用。
- Oops! I put in sugar instead of salt. 啊!我错把糖当盐放了。
- The action of salt on ice causes it to melt. 盐作用於冰而使其融化。
- Salt water and absence wash away love. [谚]远航久别恩情疏。
- Adding salt to food improves the flavour. 食物中加盐可以提味。
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- He put salt into his tea by mistake. 他把盐误放进茶里。
- He's always confusing salt with sugar. 他老是分不清盐和糖。