多元醇

This paper using innovative and especial polyhydric alcohol revert method, One-step revivification preparation cobalt in liquid was first time come true. Study the condition and the best technique of preparation cobalt powder.

本文采用创新的、特殊的多元醇液相还原法，首次在液相中实现了一步还原法制备超细钴粉，并研究了在液相中制备超细钴粉的最佳工艺条件。

The major concern is the characteristics and its properties of dispersion process of different mixing technology. It is suggested that the development of polyisocyanate and spray equipments be strengthened to realize the series turn of two-pack waterborne polyurethane coating and reduce the production cost.

对强力分散技术、相转化技术、自分散技术等分散过程的特点、性能和聚合物多元醇的要求进行了重点评述，并指出今后应加强对多异氰酸酯和涂装设备的开发，以利于双组分水性聚氨酯涂料的系列化及其成本的降低。

YIQIHUOXUEFANG can relieve the myelin sheathe swollen of the nerves and the disease of the sciatics, and promote local vessel density around the myelin sheathConclusionsYIQIHUOXUEFANG can regulate blood glucose effectively, improve the mico-circulation around the sciatics of the diabetes rats, restrain the metabolism of the multi-alcohol, increase the expressions of the NGFand MBP, i.e.

益气活血方能有效地调节血糖，改善DM大鼠坐骨神经周围微循环，抑制多元醇代谢，有醛糖还原酶抑制剂样作用，升高Na~+-K~+-ATP酶活性，改善和提高神经传导功能，促进坐骨神经神经生长因子和碱性髓鞘蛋白的表达，可明显缓解DM大鼠周围神经的早期病变，有一定的神经修复作用，综合疗效优于弥可保。

It has approximately 7 to 13% the calories of other polyols and 5% the calories of sucrose.

它拥有大约7至13 ％， 80 × 96像素的其他多元醇及百分之五卡路里的蔗糖。

The preparing method includes following steps: adding organic iron to carbon nanotube polylol solution, cooling to room temperature by heating to boiling, the product dispersing in toluol or chloroform via being separated, dried after adding nonpolar solvent, then adding the prepared solution to solution prepared by L-lactide and evocating agent, then separating, drying product.

本发明的制备方法如下：将有机铁加入到碳纳米管多元醇溶液中，加热到沸腾后冷却至室温，加入非极性溶剂后，分离、干燥产物，将所得产物分散在甲苯或三氯甲烷中，然后将所得溶液加入到L-丙交酯与引发剂配成的溶液中，然后分离、干燥产物。

These combinations of physical properties in the moisture cured polymer are superior to those obtained from prepolymers of the so called 'low unsaturation' polyether polyols.

这些在湿固化聚合物中的综合物理性质优于从所谓的"低不饱和"聚醚多元醇的预聚物得到的物理性质。

The influence of some raw materials such as polyester the uniformity, vesicant foams and catalysts to the preparation of rigid polyurethanes foam is also discussed.

探讨了聚酯多元醇、泡沫稳定剂、发泡剂及催化剂等原料对硬质聚氨酯泡沫塑料制备的影响。

Polyurethane hybrid emulsion modified by caster oil and arylate was synthesized with toluene diisocyanate, polycaprolactone glycol (PCL22ON), castor oil, and methyl methacrylate.

以聚醚多元醇(N22O)、甲苯二异氰酸酯(TDI-80)、蓖麻油(C.0)、甲基丙烯酸甲酯为主要原料，合成了蓖麻油改性的水性聚氨酯复合乳液。

A polyurethane which is obtained from ingredients comprising a high-molecular polyol, an organic polyisocyanate, and a chain extender comprising a specific trifunctional isocyanurate compound having an aromatic hydroxyl group and/or a benzylic hydroxyl group, and which has a crosslinked structure due to the isocyanurate compound.

从包含高分子量多元醇、有机聚异氰酸酯和扩链剂的成分得到的聚氨酯，所述扩链剂包括含芳羟基和/或苄羟基的特定三官能团异氰脲酸酯化合物，并且其由于异氰脲酸酯化合物而具有交联结构。

Disclosed are certain moisture curable prepolymers formed by the reaction of diphenylmethane diisocyanate with conventional polyether polyols to produce sealants and coatings exhibiting excellent combinations of physical properties; most notably high tensile strength, high tear resistance, and high elongation.

公开了通过二苯基甲烷二异氰酸酯与习用的聚醚多元醇反应形成的某种湿固化的预聚物，以生产显示杰出综合物理性质(最显著的高拉伸强度、高抗撕裂强度和高伸长度)的密封胶和涂料。

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。