acetophenone的意思

Methods: α - Bromo - 4 - benzyloxy acetophenone is synthesized with 4 - hydroxy acetophenone and bromonium as materials and methanol as solvent.方法: 以甲醇为溶剂,以对羟基苯乙酮和溴为原料制备了α - 溴-4-苄氧苯基苯乙酮.Thus , this reduced temperature of...

acetophenone的音标：acetophenone的英式发音音标为：[æsɪtə'fenəʊn]acetophenone的美式发音音标为：[æsɪtə'fenoʊn]...

Thus , this reduced temperature of reaction and increased the rate of acetophenone.降低反应温度,提高了苯乙酮的收率.Objective: A new approach to prepare α - bromo - 4 - benzyloxy acetophenone was introduced.目的: 报道一种合成α - 溴-4-苄氧苯基乙酮的新方法....

LMS training for experimental modal analysis and noise measurement technology.比利时LMS公司模态试验与噪声测量技术培训.This paper propose a novel alterative step LMS auto - adapted filter algorithm based on mean squared - error estimation....

你的电脑是无线还是有线的?Is your computer wireless or wired?大家都对有线的剥离感到高兴, 这样时代华纳就可以集中精力于核心业务.Everybody on the cable stripping are pleased, so Time Warner can focus on core business.有线的生活也带来了越来越多的关于隐私和保护在线身份的担忧.Wired life has also a...

She winced at their infelicities and at the clumsy way they talked.他对他们的不当言谈(指比喻、措辞不当)和拙劣的说话方式皱眉头....

redistribution的音标：redistribution的英式发音音标为：[ˌri:dɪstrɪ'bju:ʃn]redistribution的美式发音音标为：[ˌridɪstrɪ'bjuʃn]...

我们出去时，女孩子们总是用忌妒的眼神看着我。When we go out, girls are always giving me the evil eye.怀疑和忌妒，不管多么站不住脚，都可能毒害婚姻。Suspicion and jealousy, however ill-founded, can poison a marriage.她既忌妒又感到屈辱，感情上已经到了崩溃的边缘。She was jealous, humiliated, ...

introduce的第三人称单数（三单）为：introduces...

convex的反义词有：concave, concave。adj.convex的反义词（凸面的）：concave。convex的反义词（其他释义）：concave。...

We found that most people are favourable to the idea.我们发现大多数人同意这个意见。That improved Mrs Goole's already favourable opinion of him.那件事更加深了古尔太太对他的好印象。They suppressed news that was not favourable to them.对他们不利的新闻他们就扣留下来....

v.表示…的意思，意思是，打算，产生…结果adj.吝啬的，刻薄的，破旧的，残忍的n.平均数，中间，几何平均，等比中数...

在多西特海岸的岩石上,就可以看到数以千计的菊石.Thousands of these can be seen in the rocks on Dorset Coast.随着小菊石的生长,它会长出新的腔,然后将原来的腔封闭起来.As the young grew larger it grew a new chamber and sealed off the previous one....

At other times, he'd force her to walk totally unassisted.其他时候，他会强迫她在完全无人帮助的情况下自己行走。He overcame his addictions unassisted.他在无人帮助的情况下自己戒除了毒瘾。Wilbur : When free verse succeeds, it can be excitingly spare and unassiste...

isocompound的音标：isocompound的英式发音音标为：[aɪsəʊ'kɒmpaʊnd]isocompound的美式发音音标为：[aɪsoʊ'kɒmpaʊnd]...

harmonically的音标：harmonically的英式发音音标为：[hɑ:'mɒnɪklɪ]harmonically的美式发音音标为：[hɑ'mɒnɪklɪ]...

The mamba is mainly threatened by habitat destruction.黑曼巴主要地被生境破坏威胁.The Black Mamba lives in South Africa.黑曼巴居住在南非.In old school talk, this is the Green Mamba , beefed up for our Clydesdale customers.在老同学说, 这是绿马姆巴,增添了我们的...

deerhound的音标：deerhound的英式发音音标为：['dɪəhaʊnd]deerhound的美式发音音标为：['dɪrhaʊnd]...