formaldehyde什么意思解释？

The carbon microfiltration membranes were prepared by pyrolysis of a home - made thermosetting phenol - formaldehyde ( PF ) resin .实验合成了球形热固性 酚醛树脂 微粒,并以此为原料制备了微滤炭膜.The preparation and property of urea - formaldehyde resi...

formaldehyde的音标：formaldehyde的英式发音音标为：[fɔ:'mældɪhaɪd]formaldehyde的美式发音音标为：[fɔr'mældɪhaɪd]...

The material is readily prepared by reaction of formaldehyde and hydrazine.这种物质很容易由甲醛和肼反应而得到.Formaldehyde slowly inactivates many viruses.甲醛能慢慢使多种病毒失去活性.Sulfur dioxide and formaldehyde both produce irritation.二氧化硫和甲醛都可产生...

n.股票，普通股...

The boys wore black tail coats in mourning for George III.男孩身穿黑色燕尾服为乔治三世服丧。Yesterday the whole of Greece was in mourning.昨天希腊全民哀悼。He was still mourning his brother's death.他仍然在为哥哥的去世而悲伤。...

adj.丛生的...

You can make a hotter simply by adding chillies.你只需加点辣椒就能增加咖喱菜的辣味.A fiery combination of chicken, chillies and rice.把鸡肉、辣椒和米饭和在一起、口味辛辣的搭配Wear rubber gloves while chopping chillies as they can irritate the skin.切辣椒时要戴橡胶手套...

reporting的音标：reporting的英式发音音标为：[rɪ'pɔ:tɪŋ]reporting的美式发音音标为：[rɪ'pɔrtɪŋ]...

“向药性”的英语可以翻译为：[医] chemotropism ...

在最庄严的时刻他脸上会闪现嘲弄的微笑或说一句讽刺挖苦的话。At the most solemn moments he will flash a mocking smile or make an ironic remark.380年,西奥多修斯一世降临, 或说正式地进入君士坦丁堡.Theodosius I makes his adventus, or formal entry, into Constantinople.认为是正确的或好的;...

n.电工学...

四分之一以上的成年人不具备完全的读写能力。Over one-quarter of the adult population are not fully literate.我们很高兴给予该产品完全的认可.We are happy to give the product our full endorsement.他对自己迟到只提供了并不完全的解释.He only offered a partial explanation for his l...

n.胭脂，干燥雌体（取出作胭脂染料），大红栎...

birectangular的音标：birectangular的英式发音音标为：[bɪrek'tæŋɡjʊlə]birectangular的美式发音音标为：[bɪrek'tæŋɡjʊlə]...

Promote materialist dialectics and oppose metaphysics and scholasticism.要提倡唯物辩证法,反对形而上学和烦琐哲学.Its doubting and challenging, its quibbling and dialectics, often are irritating to common people.它的疑惑和诘难, 它的诡辨和辩证, 常常是令人讨厌的.In...

Charles displays unreserved admiration for his grandfather.查尔斯从不掩饰他对祖父的景仰。He offered us his unreserved apologies.他诚恳地向我们道了歉。Do I have your unreserved attention?你是完全听着我说话呢 吗 ?...

“重像”的拼音为：chóng xiàng...

He blew his nose with great vigour.他使劲擤了擤鼻子。He worked with renewed vigour and determination.他以新的活力和决心工作着。This young fellow does his work with vim and vigour.这小伙子干活真冲....