羟基

OBJECTIVE: To investigate the feasibility of ultrasonic contrast to evaluate the vascularization of HA orbital implants, and to compare with enhanced MRI.

目的：探讨超声造影评价多孔羟基磷灰石血管化程度的可行性，并与增强MRI对照。

Resveratrol(trans-3,4',5-trihydroxystilbene) is a phytochemical which was synthesized in various plant species such as grapes, Veratrum and Polygonum cuspidatum.

白藜芦醇，化学名称为3，5，4'-三羟基反苯二烯，是一种主要存在于葡萄、藜芦、虎杖等植物中的多酚类化合物。

Low concentration hydroxyl is enough to kill the Zooplankton,phytoplankton,germ, vibrion ,spore with 100% efficiency,meanwhile to improve significantly the quality of ballast water.

低浓度羟基溶液能 10 0 %致死浮游动植物、细菌、弧菌、孢子，同时又大幅度改善了压载水水质。

The results showed that clarifying water chestnut juice with polyaluminum chlorideas clarifying agent was simple and effective.

结果表明：用羟基氯化铝澄清马蹄汁，方法简便，效果良好；马蹄原汁与甘蔗原汁以6∶4的比例混合所得产品的风味最佳。

The p-coumaric acid content in rice straw and pig feces was higher than frulic acid and the p-hydroxybenzoic acid content in wood chip was higher than p-coumaric acid.

稻草、猪粪在腐解过程中香豆酸含量最高，阿魏酸次之，木屑中对羟基苯甲酸最高，香豆酸次之。

XPS and FTIR spectroscopy analysis indicated that chemical bonds were formed between maleic rosin and wood flour through the esterification reaction of anhydride groups and hydroxyl groups on wood surface.

FTIR与XPS分析表明，马来松香分子中的酸酐基团与木粉表面的羟基发生了酯化反应，并且马来松香是以单酯的形式接枝到木粉表面，同时产生－游离羧基。

As a result, the processing of wulfenite leaching by sodium hydroxide is carried out. Additionally, feasibility of the processing of wulfenite leaching by sodium hydroxide is proved, but Pb2+ reacts with hydroxyl to form complexes which is leached into solutions. So removing the complexes lead from solution is needed.

通过对Pb-Mo-H2O系的热力学分析，苛性钠分解彩钼铅矿在一定的pH值下是可行的，但在碱分解过程中Pb2+与羟基形成了配合物，主要是以的形式存在而大量进入溶液，因此，尚需进一步除铅。

In the third area, Pb2 is gradually supersaturated in solution with the increase of pH value, so the Pb2 is deposited as sediment. As a result, the processing of wulfenite leaching by sodium hydroxide is carried out. Additionally, feasibility of the processing of wulfenite leaching by sodium hydroxide is proved, but Pb(superscript 2+) reacts with hydroxyl to form complexes which is leached into solutions. So removing the complexes lead from solution is needed.

通过对Pb-Mo-H2O系的热力学分析，苛性钠分解彩钼铅矿在一定的pH值下是可行的，但在碱分解过程中Pb(上标 2+)与羟基形成了配合物，主要是以Pb3的形式存在而大量进入溶液，因此，尚需进一步除铅。

In ethylene glycol solution, 1 was converted into 1-oxo-13c-(2-hydroxyethoxy)-1, 13c-dihydro-dibenzo -xanthene (23) and ketal compound 7a, 13bethylenedioxy-1-hydroxy-7a, 13b-dihydro-dibenzo -xanthene (24), the structure of which was confirmed by X-ray single crystal diffraction.

在乙二醇中反应时，1被氧化为二苯并咕吨型的23和缩酮型的7a，13b-亚乙二氧-1-羟基-7a，13b-二氢-二苯并-咕吨（24）。24的结构得到X-ray单晶衍射的证实。

The present invention belongs to the technical field of biological pharmacy, and in particular relates to a preparation and purification method of tetra-hydroxyl xanthone mango aglycone, and an application thereof in hypoglycemic medicine.

本发明属于生物制药技术领域，具体涉及一种四羟基口山酮芒果苷元的制备、纯化以及其在降血糖药物中的应用。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。