查询词典 ED

The average time taken to deliver analgesia to children arriving in our ED was 70 minutes.

对到达我们急诊科的患儿提供镇痛的平均时间为70分钟。

Anglicanism is the establish ed religion in England.

英国圣公会是英国国教。

The mechanical test showed that the anhydrite could be used in profi les after modifi ed. The mechanical prop...

改性后的硬石膏可应用于PVC型材，并有良好的效果，在以10份填充PVC时远超过国家的型材标准。

"On fan landscapes, genre scenes, and bird, flower, and animal motifs, with accompanying poems are depict ed."

绘画中对鸟兽、花卉、风景的生动描绘把大自然带入室内。扇画上常描绘山水、民俗、花鸟和动物，并常配有诗词。

Animalism had yieded to fanaticism and the bold, roving eye now gleam ed with a ferocious righteousness.

他的兽欲变成狂热，转来转去的眼睛现在闪烁着十分正直的光芒。

Anisette: a liqueur flavor ed with anise.

茴香酒：用茴芹配味的烈性酒。

Three chiral phosphorus ligands were prepared using anisole as the startingat material.Their applications in the asymmetric hydroformylation and asymmetric conjug ed addition of diethylzinc to enones were investigated.

以苯甲醚为原料，合成了三种新的手性含磷配体，考察了三种配体在不对称氢甲酰化反应和ZnEt2对环己烯酮的不对称共轭加成反应中的应用。

THE FIRST TOTAL SYNTHESIS OF TAXAMAIRIN B Taxamairin B, representive of rare naturally-occuring rearrang-ed 9(10→20)-abeo-8, 11, 13-triene diterpenoids, has been firstsynthesized by a eleven-step route in an overall yield of 8.19%,starting from commercially available catechol and 1,3-cyclohexan-dione. The improved Friedel-Crafts annulation, thermodynamicallycontrolled-geminal pairing methylation, the selective oxidation ofallyl group and the selective reduction of the less-hindrancecarbon-carbon double bond are the key steps.

二。美丽红豆杉素B的全合成研究 1，美丽红豆杉素B的首次全合成以价廉，易得的邻苯二酚和1，3-环己二酮为原料，经过改良的Friedel-Crafts烷基化反应，热力学控制的α，β-不饱和酮结构的α一位双烷基化，烯丙位的选择性氧化，以及选择性还原位阻较小的碳碳双键等十一步反应，以8.19％的总收率首次完成了美丽红豆杉素B的全合成。

The cold weather antedate ed their departure.

寒冷的天气使他们提前离开。

More than 200 subatomic particles have been detect ed so far, and most appear to have a corresponding antiparticle.

至今已经检测到200多种亚原子粒子，大多数都有相应的反粒子。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！