- 问题详情:四苯基乙烯(TFE)及其衍生物具有诱导发光特*,在光电材料等领域应用前景广泛。以下是TFE的两条合成路线(部分试剂及反应条件省略):已知反应:。回答下列问题:(1)TFE的分子式为______________。(2)A的名称为______________。(3)A→B,E→F的反应类型分别为______________、...
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- TFEdiscvalveslimiteto450oFtemperatures.ProtectiveeffectsofTFEonexperimentalcerebralischemiainratsBubble-tightshut-offfromresilient(TFE)seats纯TFE树脂具有天然的白**素ApplicationonrenalarterystenosisandimagequalityofB-TFErenalarteryangiography"Valvesh...
- 12169
- 问题详情:Hisgrandfatherlives inasmallhouse,buthedoesn’tfeel .A.lonely;alone B.alone;lonely C.lonely;lonely D.alone;alone【回答】B ...
- 4478
- 问题详情:Hisgrandparentslive inasmallhouse,buttheydon’tfeel .A.lonely;alone B.alone;lonelyC.lonely;lonely ...
- 12730