isobutene的意思？

Comparing with polyurethane, the prospects of the applications of isobutene telechelic oligomer are presented.并与聚氨酯材料相比较;说明了聚异丁遥爪预聚物的主要应用前景.Tert - octylamine was prepared with di - isobutene and hydrocyanic acid as mine ...

isobutene的音标：isobutene的英式发音音标为：[aɪsɒbju:'ti:n]isobutene的美式发音音标为：[aɪsɒbju'tin]...

n.花名册，勤务簿，登记簿...

要想获得真正光滑的表面, 请使用灰泥抹子.For a really smooth surface, use a plastering float....

We Please quote us the lowest price for ten cwt . best Cork.请报10英担、一级软木(瓶)塞的最低价格.Cork is a very buoyant material.软木是极易浮起的材料.That fellow bobs up like a cork.那个人经过患难,东山再起.He was pulling the cork from a bottle of wine.他正在启一...

caulocaline的音标：caulocaline的英式发音音标为：[kɔ:ləʊ'keɪli:n]caulocaline的美式发音音标为：[kɔloʊ'keɪlin]...

“微微”的拼音为：wēi wēi...

uphold的第三人称单数（三单）为：upholds...

后脑腔...

descending的反义词有：ascending, ascending。adj.descending的反义词（下降的）：ascending。descending的反义词（其他释义）：ascending。...

gloom的音标：gloom的英式发音音标为：[glu:m]gloom的美式发音音标为：[ɡlum]...

在转换时期的RNA合成可能有短暂的骤增.During the climacteric may be a transient burst of RNA synthesis.他们想今后几年内使哈珀 - 格兰特公司的营业额骤增两倍.They want to treble Harper & Grant's business over the next few years.如果发动机回火, 进气歧管骤增的压力就迫使阀门向后移动.If t...

The betaine will collapse to the alkene only when these two functions are eclipsed.只有当这两个基团移至重迭位置时碘盐才能裂解为烯烃.The gramophone had been eclipsed by new technology such as the compact disc.激光唱片等新技术使留声机黯然失色。Our happiness was s...

停止广播，签字结束书信...

ticket的音标：ticket的英式发音音标为：['tɪkɪt]ticket的美式发音音标为：['tɪkɪt]...

His gross misman-agement left the company desperately in need of restructuring.他管理上的重大失误使公司陷入亟须重组的境地。The restructuring of the pattern of consumption in Britain also lagged behind.在消费结构重组方面，英国也落后于人。The restructuring invol...

shawls的音标：...