dione

Finite Field Study of Nonlinear Optical Properties of Cyclobutene - 1,2 - dione Derivatives

有限场方法研究环丁烯-1,2-二酮衍生物的非线性光学性质

NMR studies of 6 β , 19 - Epoxy - 4 - androstene - 3 , 17 - Dione

6β，19-环氧-4-雄甾烯-3,17-二酮的NMR研究

Study on the Characteristics of Embryonic Stages and Late Embryonic Development of Cerebral Cortex in Elaphe Dione

白条锦蛇胚胎分期特征及胚胎后期大脑皮层的发育研究

She is also referred to as Dionaea , after her mother , or even Dione .

按照她母亲的名字，她也被称为狄奥妮阿，或甚至就被称为狄奥妮。

Dione 's ocean has likely been there since the moon formed , researchers said , adding that it could be host to microbial life .

研究人员认为，土卫四的海洋自卫星形成以来就存在了，这为微生物提供了的宜居环境。

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。

Hydroxyl - 9 - fluorene carboxylic acid ( HFC ) is synthesized from phenanthrene dione .

由菲醌一步合成9－羟基－9－芴羧酸（HFC）。

On September 28 , researchers reported that Dione - a small moon of Saturn - probably has a subsurface ocean , too .

9月28日，研究人员报告称，土星的一颗小卫星土卫四很可能也拥有一片次表层海洋。

OBJECTIVE To compare and identify Zaocys dhumnades and its adulterant Elaphe dione .

目的比较鉴别乌梢蛇与白条锦蛇。

Researchers say Dione 's ocean is likely 100 kilometers beneath the surface , " several tens of kilometers deep " and surrounds a rocky core .

研究人员认为，土卫四表层之下100千米处的这一巨大海洋深度足有数十千米，周围包裹着岩石。

Synthesis and characterization of 3-allyl-2,4-pentane Dione

3-烯丙基-2,4-戊二酮的合成与表征

After selective ethynylation of dione (ⅺ) with potassium hydroxide and acetylene in THF , the final product norgestrel (ⅰ) was obtained in good yield .

双酮（Ⅺ）用乙炔-氢氧化钾选择性炔化后，即可得到60%左右的高诺酮（Ⅰ）。

Different synthetic routes of squaric acid ( 3,4 dihydroxy cyclobutene 1,2 dione ) are summarized . The limitations and advantages of particular routes are discussed .

介绍了方酸（3,4二羟基3环丁烯1,2二酮）的各种合成方法，评述了有机化学、电化学、生物发酵等方法合成方酸的进展及应用前景。

In Homer 's ' Iliad ' Aphrodite is said to be the daughter of Zeus and Dione , a Titan goddess .

在《伊利亚特》诗中，阿芙罗狄蒂被称为塞浦路斯女神或是雪萨莉亚。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。

Using gravity data from the Cassini probe , researchers at the Royal Observatory of Belgium say Dione joins Titan and Enceladus as Saturn moons likely having subsurface oceans .

比利时皇家天文台的研究人员表示，卡西尼探测器的最新引力数据表明，和土卫六以及土卫二一样，土卫四的表面之下也有一个巨大海洋。

Unlike Enceladus , which has geysers of water that spurt from the southern polar region , Dione appears " quiet " now , but researchers say it likely had a more active past .

和曾经在南极区域向太空喷射巨大水蒸汽流的土卫二不一样，土卫四相对“安静”，但是研究人员认为它的表面远古时期活动性更强。

Prepare Enveloped Silastic Bar Containing 4 - Androstene - 3 and 17 - dione for Fish In this model , packet arrival-interval obeys Pareto distribution and packet size obeys exponential distribution .

鱼用含雄烯二酮的包膜型硅橡胶药条的研制包大小为指数分布。

The earlier and pure Greek phase of her character , in which Aphrodite or Venus is called a daughter of Zeus and dione , was that of a goddess who presides over human love ;

在较早纯希腊的神话里，阿佛洛狄忒维纳斯被称为宙斯与狄俄涅之女，是掌管人类爱情的女神；

In order of how much water they have , from the least to the most , they are : Enceladus , Dione , Earth , Europa , Pluto , Triton , Callisto , Titan , and Ganymede .

按照拥有的水量排序，从少到多依次是：土卫二，土卫四，地球，木卫二，冥王星，海卫一，木卫四，土卫六和木卫三。

Under the selected enzyme - catalyzed reaction conditions , the oxidation product of MAP with H2O2 catalyzed by HRP is 2 - amino - 5 - [ ( 3 - hydroxyphenyl ) amino ] - 2,5 - cyclohexadiene - 1,4 - dione .

在选择的酶促反应条件下，生成的产物为2-氨基-5-[（3-羟苯基）氨基]-2,5-环己二烯基-l，4-二酮。

Catalytic hydrogenation reaction system of 5 - { 4 - [ 2 - ( Methyl-pyridin-2-yl-amino ) - ethoxy ] benzylidene } - thiazolidine-2 , 4 - dione ( 3 ) was optimized and the total yield was 21.6 % .

优化了5-{4-[2-（甲基-2-吡啶氨基）-乙氧基]-亚苄基}-噻唑烷-2，4-二酮（3）的催化氢化反应条件从而以21.6%的总收率合成得到了罗格列酮。