butyrolactone什么意思解释

N - hydroxyethylpyrrolidone ( NHP ) was synthesized from � � - butyrolactone and ethanolamine on Y molecular sieve catalyst by two steps.以改性Y分子筛为催化剂,γ-丁内酯和乙醇胺为原料,采用γ - 丁内酯法两步合成N - 羟乙基吡咯烷酮 ( NHP )....

butyrolactone的音标：butyrolactone的英式发音音标为：[betɪrɒ'læktəʊn]butyrolactone的美式发音音标为：[betɪrɒ'læktoʊn]...

antagonize的近义词/同义词有：embitter, cross, go, against, provoke, counter, oppose, infuriate, persecute。vt.antagonize的近义词（使反抗;使敌对）：embitter, cross, go, against, provoke, counter, oppose。antagonize的近义词（其他释义）：infuriate, persecute...

Erasmus的音标：Erasmus的英式发音音标为：[i'ræzməs]Erasmus的美式发音音标为：[ɪ'ræzməs]...

insolvencies的音标：...

ischiovertebral的音标：ischiovertebral的英式发音音标为：['ɪstʃi:əʊvətɪbrəl]ischiovertebral的美式发音音标为：['ɪstʃioʊvətɪbrəl]...

“涌出”的拼音为：yǒng chu...

时钟以低沉声音报中午时刻.The clock boomed out the noon hour....

Gypsum may crystallize on the surface of the phosphate rock particles.石膏会在磷矿颗粒的表面上结晶.Hopeite is a zinc phosphate.磷锌矿主要成分是磷酸锌.I looked at the bottle it was Codeine Phosphate.我看了看它的底部,上面标着可待因磷酸盐.Aim : To synthesize carboxy...

"Anything else?" Colum asked. Kathryn shook her head wearily.“还有别的吗？”科拉姆问。凯瑟琳疲惫地摇了摇头。Furness shrugs wearily. He has heard it all before.弗内斯疲倦地耸了耸肩。这事他早就全知道了。I sighed wearily.我疲倦地叹了口气。...

重排甾烯...

vt.砍伐森林...

“烯丙醇”的英语可以翻译为：[化] allyl alcohol ...

in a low voice的音标：in a low voice的英式发音音标为：[in ə ləu vɔis]in a low voice的美式发音音标为：[ɪn e lo vɔɪs]...

n.比较两个或多个文件...

n.亲戚...

surprise的现在进行时为：surprising...