查询词典 D.O.

Results Two compounds were isolated from D. diandra. Theirs structures were identified as 6-carboxymethy1-5,7,4'-trihydroxyflavone and l-O-β-D-glucopyranosyl-(2S,3R,4E,8E)-Z-N-(2'-hydroxypalmitoyl) octadecasphinga-4,8-dienine(soya cerebroside Ⅰ,Ⅱ).

结果分离并鉴定了2个化合物：6-羧甲基-5，7，4'-三羟基黄酮和4，8-N-[2'-D-羟基-十六烷酰基]-1-O-D-吡喃葡萄糖基-4，8-二烯-十八鞘氨醇。

Within the O(6) limit of s\|d IBM1,the effective three\|body potential between the interactions of d \|bosons is introduced with the consideration of octupole states ,which are produced by a f\| boson plus ( N-1) s\|d \|Then the analytic expressions of negative parity energy spectrum formula is obtained.

在s dIBM1的O(6 )极限下，引入d玻色子之间相互作用的等效三体势，考虑f玻色子产生的八极态，导出了负宇称态能谱解析表达式，并对过渡区118，12 0 Xe和12 4 ，12 6，12 8，13 0 Ba 6个偶偶核的负宇称带进行了能谱计算，得到了与实验能谱符合很好的结果，然后用Staggering指数定量分析了负宇称态能谱中的Staggering现

With α-D-glucose as raw material, 3-O-benzoyl-1,2,5,6-O-diisopropylidene-α-D-allofuranose was synthesized by isopropylene protection , oxidation, reduction and benzoylation.

以α-D-葡萄糖为原料，经异丙叉基保护、氧化、还原、苯甲酰化反应合成3-苯甲酰基-1，2，5，6-氧-二异丙叉基-α-D-呋喃阿洛糖。

Oxygen ion beam of 6.0 MeV was selected as incident ion, and the ERD spectra were detected at the angle of 30°, then the cross-sections for O to D and T are Rutherford cross section under this experiment condition.

以6.0 MeV O粒子作为入射粒子，在30°方向上探测反冲粒子，在此实验条件下，O粒子对D、T的碰撞截面为卢瑟福截面。

In combination of oxygen nonstoichiometry data determined using the iodometric titration, the oxygen chemical diffusion coefficient D〓 for YBa〓Cu〓O〓 is calculated. D〓 takes a value of 7. 8×10〓 at 650℃ and 2. 0×l0〓cm〓s〓 at 800℃, and the associated apparent activation energy is 51±0.9 kJ·mol〓.

根据Fick第一定律，结合氧渗透率数据及氧非化学计量数据，可计算出YBa〓Cu〓O〓的氧化学扩散系数D〓在650～800℃，D〓为7.8×10〓～2.0×10〓cm〓，D〓的表观活化能为51±〓0.9 kJ·mol〓。

Iron deposit is concerned with spilite keratophyre, rich in Fe, Na〓O, Alternative types are similar-skarnization, Iron deposit is of aeromagnetic anomaly. Indexes of Cu, Pb-Zn deposits are contemporaneous fault, ore-bearing bed, volcanic rock with high potassium, volcanic structure, a serious of alternative in ore-bearing bed and under ore-bearing bed, high content of Pb, Zn, Ag, Cu, Cd, Ba, As, CaO, Fe, Mn, low Na〓O, Al〓O〓 in mineralizing body.

铅锌矿形成大矿富矿指标：①NW、NE向同生断裂；②有利含矿层位D〓k〓〓；③酸性富钾火山岩；④火山机构发育；⑤有利于矿质聚集的火山洼地；⑥发育与流体活动有关的矿下层、矿层、蚀变岩筒蚀变；⑦块状、浸染状铅锌黄铁磁黄铁矿石；⑧原生晕中Pb、Zn、Ag、Cd、Ba、Cu、As元素组合，CaO、TFe、Mn富集，Na〓O、Al〓O〓亏损，其下部位富K〓O或Na〓O。

The numerical results show that our method is effective. For the noncharacteristic Cauchy problem for 2-D and 3-D heat equation, we give the explicit H\"{o}lder type stability estimates by using weighted energy method. Especially,H\"{o}lder type stability estimate for discrete solutions of the heat equation is obtained through a fully discrete method. The numerical results are presented.

对于二维和三维的热传导方程的非特征Cauchy 问题，我们利用权函数方法，给出了一个显式的H\&{o}lder 型的稳定性估计，特别的，对于二维的非特征Cauchy问题，我们利用充分离散的方法，对二维问题的离散形式同样给出了H\&{o}lder 型的稳定性估计，同时，我们也给出了数值例子来说明我们的估计。

Compounds were identified by means of physic-chemical property and spectral data including three new compounds: platyphyllin A (1), neochlorgeniclatone (2),(2E,6Z)-2,6-dimethyl-8-O-β-D-glucosyl-2,6-octadienoic acid (3). The known compounds included cyclic diarylheptanoids, phenylic acid, ect.

从白桦叶的水提取物中，利用各种色谱分离手段(硅胶柱色谱、聚酰胺柱色谱、凝胶柱色谱及制备薄层色谱等)，分离得到28个化合物，通过理化性质及各种波谱数据(NMR，MS，IR，etc)鉴定了23个化合物的结构，其中新化合物三个：platyphyllin A(1)，新绿原酸内酯(neochlorgeniclatone，2)，(2E，6Z)-2，6-二甲基-8-O--2，6-辛二烯酸(2E，6Z-2，6-dimethyl-8-O-β-D-glucosyl-2，6-octadienoic acid，3。

The simple algebraic procedure is used to form nearly orthogonal 2—D C—type and H—type bodyfitted grids for bodies of revolution, which is then used to generate 3—D C—O and H—O bodyfitted grids for fuselages.

五、用简单的代数方法生成了近于正交的旋成体子午面&C&型及&H&型贴体坐标网格，并以此为基础构造了三维任意截面机身的&C-O&型及&H-O&型贴体坐标网格。

If parents give their children a large number of unauthorized use of fish liver mooring, or injection of calcium and vitamin D and so on, can easily cause vitamin D overdose or poisoning; because these drugs are mainly used to treat rickets, and rickets in children caused by the teeth when the evening, his condition has become a very serious thing, if a square skull, ribs moniliforme, chicken, varus or valgus knees were "X" or O-shaped legs and so on.

如果家长擅自给孩子大量服用鱼肝泊，或注射钙剂和维生素D等，就很容易引起维生素D过量甚至中毒；因为这些药物主要是用来治疗佝偻病的，佝偻病引起小儿出牙晚时，病情已经很严重了，如出现方形颅、肋骨串珠、鸡胸、两膝内翻或外翻呈&X&或O形腿等。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。