It'shows that the key step is the synthesis of 4-methyl-dihydro-furan-2, 3-dione.
研究结果表明关键步骤为原料4-甲基-2，3-呋喃二酮的合成。
Aim to investigate the effects of new derivatives of 1h-isoindole-1, 3 (2h) -dione on angiogenesis in chick chorioallantoic membranes (CAM).
目的研究1h异吲哚1,3 (2H)二酮新衍生物对血管新生的抑制作用。
The double-moon effect is aided by the matching reflectivity of Dione (top), which is closer to the camera, and Rhea, which is farther away but slightly larger than Dione.
这种双卫效果受益于离摄像机较近的狄俄涅（土卫四）和离摄像机较远但是比前者稍大些的瑞亚（土卫五）一致的反射率。
The strategic alignment of a large, faint crater at the "bottom" edge of Dione completes the astronomical illusion.
狄俄涅“下部”边缘上巨大而模糊的火山口关键性的校直完成了这个天文学假象。
Dione, on the right, has less than a quarter of Titan's diameter and has no significant atmosphere.
土卫四(狄俄涅)，右边那颗，直径小于土卫六的四分之一，没有明显的大气层。
As it zipped past Saturn's moon Dione this past weekend, NASA's Cassini spacecraft got its best look yet at the northern pole of this small, cratered moon.
环绕土星运行的一颗卫星上快速飞过，并且对这颗坑坑洼洼的小行星的北部地区进行了目前为止最为清晰的拍照。
In the foreground, a sharp image of Dione reveals the moon's "wispy" terrain-actually a system of braided canyons with bright walls.
前景中的土韦四，清晰图像，显示了这个卫星“稀疏”的地形，其实这是带着明亮屏障的纵横交错的峡谷系统。
Behind Dione, hints of atmospheric banding can be seen on the North Pole of hazy Titan, the only known moon with a fully developed atmosphere.
在土卫四的背后，可以看到在模糊的土卫六北极上的大气带的迹象，土卫六是目前仅知的具有完全成熟大气层的卫星。
Dione was one of four Saturnian moons discovered in 1684 by Giovanni Domenico Cassini, who the spacecraft is named after.
1684年，乔瓦尼·多米尼克·卡西尼(GiovanniDomenicoCassini)发现了土星的四颗卫星，土卫四正是其中之一，卡西尼号探测器就是以他的名字命名的。
This close up of Dione reveals its cratered and fractured icy surface.
这张土卫四（Dione）的近距离特写照片展示了其坑坑洼洼支离破碎的冰冷表面。
In Homer's 'Iliad' Aphrodite is said to be the daughter of Zeus and Dione, a Titan goddess.
在荷马的《伊利亚特》史诗里，据说阿芙罗狄蒂是宙斯和狄奥妮——一个泰坦女神——生的女儿。
Saturn's famous rings are visible along with two of its moons, Rhea and Dione which appear as faint dots in the right and lower right part of the picture.
从图中我们可以看到有名的土星光环和右下方的两个暗点，即瑞亚和狄俄涅卫星。
Chae Lim becomes a creator of Almas Dione!
蔡林成为阿尔玛斯狄俄涅的创始人！
Korean actress Chae Lim became a creator of a cosmetic brand, Almas Dione.
韩国女星蔡林成为了一个化妆品品牌，阿尔玛斯狄俄涅的创始人。
Korean actress Chae Lim became a creator of a cosmetic brand, Almas Dione.
韩国女星蔡林成为了一个化妆品品牌，阿尔玛斯狄俄涅的创始人。
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