羟基

McClure's Magazine published it beginning in nineteen-oh-two.

麦克卢尔的杂志发表，在19羟基- 2开始。

On the basis of calculation results and the experiment with dopamine the possible coordination site of complex is elucidated, in which Be forms five -membered ring with OH〓 and NH〓 groups in the side chain of AD.

结合INDO量子化学计算结果和多巴胺的对照实验，说明铍-肾上腺素的络合物是通过侧链羟基、氨基形成的五元环螯合物。

In the structure of the complex, two oxygens of phenol in the ligand are bound to Ti to form a five membered cyclic complex of titanocene.

在配合物结构中，茜素红配体中的两个羟基氧均与钛键合，形成五元环状二茂钛配合物，且化合物中还存在两个结晶水

Guided bone regeneration ; Membrane technique ; Polylactic acid ; Hydroxyapatite

引导性骨组织再生；膜技术；聚乳酸；羟基磷灰石

A unilateral lesion of nigra and tegmentum of ventral mesencephalon of SD rats was made by injecting 6-hydroxydopamine to establish the animal models of Parkinson disease were established.

①用神经毒剂6-羟基多巴胺单侧损毁SD大鼠左侧中脑被盖腹侧区和黑质致密部建立帕金森病动物模型。

It involved the converstion of vanillin into hydrazine (4) and the metalic reduction of hydrazine 4 into the intermediate vanillic amine.

以价廉易得的香草醛为起始原料，经过3步反应，高产率合成了酚羟基由对甲苯磺酰基保护的香草胺类化合物5。

AIM: To screen the cytotoxicity of degradable calcium metaphosphate compared with hydroxyapatite. The proliferation and differentiation abilities of human marrow mesenchymal stem cells were used to exhibit the cytotoxicity.

目的：本研究利用人骨髓间质干细胞的增殖与分化潜能作为指标，对可降解偏磷酸钙材料和羟基磷灰石材料的生物相容性进行体外研究。

The method is based on the preliminary reaction of a part of OH cellulosic groups with the methacrylic chloride of the unsaturated acid.

先将纤维素的部分羟基同甲基丙烯酰氯反应，然后将丙烯腈同上述改性纤维素进行接枝反应。

Phosphate porous starch and PVA were cross linked by methenamine and boric acid Crystal area was serious destroyed by esterification and cross linked. 6 Biodegradation experiment was carried out with soil-burying method.

5红外光谱和X-射线衍射的结构分析表明：在改性淀粉的羟基上引入了磷酰基团，并未破坏原淀粉的基本化学结构；交联剂在改性淀粉和PVA之间形成了C-O-C化学交联键；酯化和交联反应均有较强的淀粉晶区破坏作用。

That is, the biological efficacy of liquid methionine hydroxy analogue is only 65% in pig.

因此，液体蛋氨酸羟基类似物对猪的生物学效价只有65%。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。