醛类

Cardiac hypertrophy and extracellular matrix remodeling happened as a result of chronic overrange of pressure in heart and hypervolaemia which lead to damage of relaxation and compliance of heart.Drugs including renin-angiotensin converting enzyme inhibitor,angiotensin receptor blocker,aderergic receptor blocker,aldrosteron antagonism,tatins endothelin receptor blocker pancreatic kiniogenase and calcalium channel blocker,can delay or reverse the remodeling by several mechanisms.

主要表现为心脏在慢性超负荷的压力、容量作用下发生的病理改变致使左室肥厚组织胶原结构发生改变，导致心肌顺应性降低，舒张功能受到损害；作用于肾素-血管紧张素系统的药物及肾上腺素受体阻滞剂、醛固酮拮抗剂、他汀类药物、内皮素受体拮抗剂、胰激肽原酶、钙通道阻滞剂等药物通过不同途径和机制延缓和逆转左心室重构。

NADP-Dependent Retinol Dehydrogenase/Reductase identified from rabbit liver cytosol is involved in oxidoreduction between retinol and retinal with high activity. Therefore, NRDR plays an important role in modulation of the retinoids and RA homeostasis.

辅酶Ⅱ依赖性视黄醇脱氢/还原酶NADP(H-Dependent Retinol Dehydrogenase /Reductase NRDR是黄东阳教授等从兔肝中发现并纯化的一种酶，具有很高的催化视黄醛和视黄醇之间氧化还原反应的活性，对体内类视黄醇和维甲酸的代谢平衡起着重要的调节作用。

Five chalcones were synthesized via the aldol condensation reaction of acetophenone or parasubstituted acetophenones with 1-phenyl-3-methyl-5-phenoxyl-pyrazol-4-aldehyde, which reacted with two kinds of hydrazine in glacial acetic acid under refluxing to give a series of bipyrazoline derivatives. In this synthetic course, glacial acetic acid is not only a solvent, but also a catalyzer.

以1-苯基－3-甲基－5-苯氧基－吡唑-4-甲醛为原料，与苯乙酮发生羟醛缩合，生成相应的查尔酮，再在冰醋酸中与不同的肼反应，高产率的合成出10种新的5位含1-苯基－3-甲基－5-苯氧基－吡唑基的吡唑啉类衍生物。

No peptide sequence of Pasteurella multocida was obtained by performing epitope mapping with the antibodies. The results indicated that hyaluronic acid plays an important role as the immunogen of avian pasteurellosis.

在蛋白质染色、醣染色及西方墨点试验结果比较下，推断单株抗体所变认之抗原可能是一类似玻醣醛酸之多醣类物质。

Several types of ligand reactions observed under hydrothermal condition were summed up:(1) hydrolysis of pyridine nitrile, aldehyde and ester in mixed water and alcohol into pyridine-carboxylate;(2) replacement of carboxylate group with sulfonic group;(3) coupling of phenanthroline by dehydrogen;(4) oxidative coupling of methanol into oxalic acid;(5) hydroxylation of isophthalate.

总结了以往在水热条件下观察到的几类配体反应：（1）吡啶腈、醛和酯在醇和水混合溶液中水解成吡啶羧酸；（2）磺基取代羧基反应；（3）邻菲啰啉的脱氢的聚合：（4）甲醇被氧化偶合生成草酸：（5）间苯二甲酸的羟基化反应。

A reduction-coupling-etherification reaction between aromatic aldehydes or ketones (1) and alcohols ( 2 ) to yield corresponding diether ( 3 ) of pinacol in the presence of tin and chlorotrimethylsilane.

在三甲基氯硅烷、四氢呋喃体系中，芳香醛、酮和醇在金属锡的作用下发生还原-偶联-醚化反应生成相应的频那醇二醚类化合物。

The comparative investigation of synthesizing the polyhydric alcohols, such as pentaerythritol, pentaglycerine, trimethylolpropane, neopentyl glycol and so on are conducted, these compounds are all based on the reaction of cross-aldol condensation.

对季戊四醇、三羟甲基乙烷、三羟甲基丙烷、新戊二醇等基于交叉羟醛缩合反应的多元醇类化合物的合成进行对比研究。

C-formaldehyde is widely used in rubber, paint, plastics, medicine, spices, agriculture, textile and other industries; propanol mainly to do organic solvents, organic chemical raw materials, spices, synthetic propylamine, Bromopropane etc.; n-butyl alcohol is widely used in the preparation of esters, plastics, plasticizers, pharmaceuticals, and used as a solvent, such as spray paint.

丙醛广泛用于橡胶、油漆、塑料、医药、香料、农业、轻纺等行业；丙醇主要做有机溶剂，有机化工原料、香料、合成丙胺、溴丙烷等；正丁醇广泛应用于制取酯类、塑料增塑剂、医药、喷漆以及用作溶剂等。

MethodsIn the solvent of 1 mol/L NaOH, using the reaction of the water-soluble phenolic acidity in Radix Salviae Miltiorrhizae and the NaNO_2-Al(NO_3)_3, the total components of water-soluble phenolic acidity in Radix Salviae Miltiorrhizae injections and drip solution(calculated with protocatechualdehyde) were determined by colorimetric s...

方法利用丹参中水溶性酚酸类成分与亚硝酸钠和硝酸铝溶液在碱性条件下的显色反应，比色法测定该两种制剂中水溶性酚酸的总量。结果原儿茶醛在3.336~14.46mg/L范围内呈良好的线性关系，回归方程为：A=0.02777C+0.01279(r=0.9996)，加样平均回收率为100.8%，RSD为0.96%。结论该法简便快速，结果准确，重现性好，可用于该制剂的质量控制。

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And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。