pyran

常見(jiàn)例句

Pyran is not aromatic, but the phrylium ion is.
吡喃不是芳香的，但眬英嗡離子是。
Methods To establish the effect of Benzo pyran derivatives on rats by grouping randomly and giving medicine.
方法通過(guò)隨機(jī)分組,灌胃給藥、對(duì)比,確定苯并吡喃衍生物對(duì)小鼠血糖的影響。
Two new derivatives of 4 - dicyanomethylene - 2,6 - dimethyl - 4H - pyran and the corresponding poly (amic acid) were synthesized and characterized.
兩種新的4-二氰亞甲基-2;6-二甲基-4H-吡喃衍生物及對(duì)應(yīng)的聚酰胺酸被合成和表征.
Under the acid free condition, 3 acetyl 2 hydroxy 6 methyl pyran 4 one (8) was obtained and its structure was confirmed by X ray diffraction analysis.
在沒(méi)有酸催化的條件下,反應(yīng)生成3乙酰基2羥基6甲基-吡喃4酮(8),并通過(guò)單晶X射線(xiàn)衍射分析確定了產(chǎn)物的結(jié)構(gòu);
Objective To observe the effect of Benzo pyran derivatives on normal rats and blood sugar of rats by Tetra oxygen pyrimidine.
目的觀(guān)察苯并吡喃衍生物對(duì)正常小鼠及四氧嘧啶所致糖尿病小鼠血糖的影響。
Results The Benzo pyran derivatives have nothing to do with normal rats,but they can decrease density of blood sugar of rats by Tetra oxygen pyrimidine.
結(jié)果苯并吡喃衍生物對(duì)正常小鼠血糖無(wú)影響,對(duì)四氧嘧啶所致糖尿病小鼠有降血糖作用。