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]...

Of all speech impediments stammering is probably the most embarrassing.在所有言语障碍中，口吃可能是最令人尴尬的。Stammering is probably an inherited defect.口吃很可能是一种遗传性缺陷。A stammering child can benefit from speech therapy.口吃的孩子可以从言语矫治中获益。...

“英俊”的拼音为：yīng jùn ...

It is the primordial force that propels us forward.它是推动我们前进的原始动力。The development of component technology propels the development of Distributed Object Technology.组件(软构件)技术的发展进一步推进了分布式对象技术应用的发展.The propels the body forwar...

“阳台”的拼音为：yáng tái...

vacancies的音标：vacancies的英式发音音标为：['veɪkənsɪz]vacancies的美式发音音标为：['veɪkənsɪz]...

n.发胶...

coagulate的音标：coagulate的英式发音音标为：[kəʊ'ægjuleɪt]coagulate的美式发音音标为：[koʊ'ægjuleɪt]...

The builder gave an approximate cost for fixing the roof.房屋修建商给修理房顶粗略地估计了一个价钱。The physical and chemical properties of complex sodium disilicate as a new builder were studied.研究了新型助剂复合二硅酸钠的物理化学性能.A prudent builder should ...

pianists的音标：...

v.扣押( garnishee的现在分词 )...

I have a discipline: medical, sports, and advertising lexicons.另一些是专科词典,如医学词典 、 体育词典 、 广告词典等等....

那个首领好像是魔鬼的化身。The leader seemed the devil incarnate.保佑我们不受魔鬼的侵害.Preserve us from the powers of darkness.竭尽 他自己的, 以及魔鬼的全力!-- With all his own might , and the fiend's!...

Conclusion: antirheumatic with antioxidants is of importance in the treatment of patients with RA.结论: 抗风湿药物与抗氧化剂的配合应用在类风湿关节炎的治疗中具有重要的意义....

stoops的音标：...

vt.玷污，污染，弄脏，纵列行进n.峡谷，隘路...