methylpyridine什么意思？

The reaction conditions on oxidation of 2 - methylpyridine to 2 - acid by oxidation of potassium dichromate were studied.研究了以2-甲基吡啶为原料,以重铬酸钾为氧化剂,利用化学氧化法合成 2- 吡啶甲酸的反应条件....

methylpyridine的音标：methylpyridine的英式发音音标为：[meθɪlpɪ'raɪdaɪn]methylpyridine的美式发音音标为：[meθɪlpɪ'raɪdaɪn]...

n.义务工作者( volunteer的名词复数 )，志愿者，自告奋勇者，主动做某事的人v.自动提供，自愿效劳( volunteer的第三人称单数 )，主动建议（或告诉），（未经当事人同意）举荐，自愿参军，当志愿兵...

n.[乐]终曲（finale的复数形式）...

mesoscutum的音标：mesoscutum的英式发音音标为：[meɪ'səskju:təm]mesoscutum的美式发音音标为：[meɪ'səskjutəm]...

n.（尤指北美的）荒原，岩石嶙峋之地...

cornflower的复数形式为：cornflowers...

The storm measured 10 on the Beaufort scale .这次风暴按蒲福风级测量为10级。Janey knew every fold of the Beaufort mystery.珍妮对鲍富特秘密的所有细节,都了如指掌.Beaufort Castle is on your left.博福尔城堡在你左手边。Lady Margaret Beaufort , mother of Henry VII found...

annunciated的音标：...

haemocytotripsis的音标：haemocytotripsis的英式发音音标为：[hi:məsɪtəʊt'rɪpsɪs]haemocytotripsis的美式发音音标为：[himəsɪtoʊt'rɪpsɪs]...

Many national newspapers carry adverts for companies purporting to repair your credit rating.很多的全国性报纸都刊登公司广告,宣称这样可以提升公司的信用等级.Certain proteins help copy nucleic acids by fashioning complementary strands that carry matchin...

n.洗发剂，洗发香波，（洗地毯、家具罩套、汽车等的）洗涤剂，洗头vt.用洗发剂洗头，用洗涤剂洗...

discarding的音标：...

The ski school coaches beginners, intermediates, and advanced skiers.滑雪学校训练指导初学者及中级与高级滑雪者。It's not really suited to absolute beginners.它并不真正适合从零开始的初学者。She's in the beginners' class.她在初级班。...

bakery的音标：bakery的英式发音音标为：['beɪkəri]bakery的美式发音音标为：['bekəri]...

发现印版移动或衬垫物移位, 及时调整,把印版和衬垫物放回原位固定.Find a printing plate moving or backing, adjust the printing plate and backing back fixed.主要行业的产品是原麻, 麻布,地毯的麻衬垫物.Products of main interest are raw jute, hessian cloth and jute carpet back...

adj.慌乱的，狂热的，狂乱的，狂暴的，激怒的v.使狂乱( frenzy的过去式和过去分词)，极度的激动...