查询词典 Dione

Finasteride has been facilely synthesized from 4-androstene-3, 17-dione by oxidation, ammoniumation, cyanohydrin, dehydration, Ritter reaction, hydrogenation and dehydrogenation.

本文参考有关文献，以雄烯二酮为起始原料，经氧化开环、内酰胺化、氰醇化、Ritter反应引入叔丁基酰胺、氢化还原、最后氧化脱氢制得非那雄胺。

In Greek mythology Dione was the mother of Aphrodite by Zeus, according to some traditions.

而在罗马神话中爱与美的女神是维纳斯，因此金星也称做"维纳斯"。

From left to right are Enceladus and shadow, Dione and shadow, and Saturn's largest moon Titan.

从左至右是土卫二和阴影，土卫四和阴影，以及土星最大的卫星土卫六。

The cliffs may indicate that Dione has undergone some sort of tectonic surface displacements in its past.

这些冰崖表明在过去土卫四的表面可能经历了某种地壳运动。

A new type of spiro crosslinking agent,3,11 dimethylene 2,10 dione 1,4,9,12 tetraoxodispirobutadecane(2),was synthesized successfully.

合成了一种新型螺环环丙烯酸酯交联剂-3，11-二亚甲基-2，10-二酮-1，4，9，12-四氧二螺［4，2，4，2］十四烷（2）。

Tethys' low density indicates that it is almost completely composed of water ice, similar to Dione and Rhea.

土卫三的低密度表明它是几乎全部由水和冰组成，这与土卫四和土卫五十分相象。

This suggests that during the period of heavy bombardment, Dione was tidally locked to Saturn in the opposite orientation.

这说明土卫四被撞击时它的正面和反面正好反过来。

This is Danielle and Dione Daluc.

这是丹妮尔和迪安

The biochemical characteristics and value of Elaphe dione blood were understood in the period of and after hibernation through the test.

［目的］为了解白条锦蛇冬眠期与出眠后的血液生化值及特点。

Because Dione is relatively small, an impact causing a 35 kilometer crater could have spun the satellite.

由于土卫四比较小，在受到比较大的撞击（撞击坑大于35千米）时它会被转动。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。