| 1. | Synthesis of water - reducing agent of polycarboxylic acid concrete 梳型聚羧酸盐高效减水剂的合成及性能 |
| 2. | C . monofunctional carboxylates probably are the important components of meso - high temperature ore - forming fluids 一元羧酸盐可能是中-高温成矿流体中的重要组分。 |
| 3. | The effect of different additives , such as carboxylate and magnesium chlorate , etc . , on the caoxa crystal was investigated in liposomes 讨论了不同种类羧酸盐、氯化镁和胆固醇等添加剂对囊泡中草酸钙晶体物相产生影响的机理及其作用规律。 |
| 4. | Methods of analysis of wood preservatives and treated timber - determination of carboxylic acid type in zinc and copper carboxylate preservative solutions by gas chromatography 木材防腐剂和经过防腐处理的木材的分析方法.用气相色谱法测定锌和铜羧酸盐中羧酸的类型 |
| 5. | Polycarboxylate series high range water - reducing agents , which can provide concrete high fluidity , good retarding performance and low slump loss , have become more popular recently 聚羧酸盐系高效减水剂既具有较好的初始流动性,又具有较好的保坍性,日益成为混凝土外加剂领域研究的热点。 |
| 6. | The interfacial activities of alkyl sulfonate and its combined systems with petroleum carboxylate have been studied and mensurate the adsorption of compound surfactant on oil sand in daqing oil field 摘要研究了石油羧酸盐与不同磺酸盐的复配体系的界面活性,测定了复配表面活性剂在大庆油砂上的吸附量。 |
| 7. | The initial low ift is very advantageous to enhance oil recoveries , petroleum carboxylat of compound surfactant play the sacrificial agent role in the process of absorption and reduced the sulphonate absorption loss 复配表面活性剂吸附过程中羧酸盐起到了牺牲剂作用,降低了磺酸盆的吸附损失,复配体系的这些特点对提高驱油效率很有利。 |
| 8. | Multicarboxylate and mgcb were able to inhibit com formation and favor cod and cot growth . however , monocarboxylates , regardless of their molecular amount or structure , have no this ability 多元羧酸盐和氯化镁等添加剂对囊泡体系中的com具有抑制作用,而对cod和cot具有促进作用,而对于一元羧酸盐,无论其结构和大小如何,均不具有该能力。 |
| 9. | Anionic surfactants which include petroleum sulfonates , alkylbenzene sulfomates , petroleum carboxylates and ligin sulfonates , in which sulfonate surfactant is the most well known type are widely used in eor 阴离子型表面活性剂在三次采油中应用最为普遍,它们主要包括石油磺酸盐、烷基苯磺酸盐、石油羧酸盐、木质素磺酸盐等,而其中以磺酸盐型最多。 |
| 10. | Dense of structure and development of final properties were benefited from retardation of hydration . in contrast , cement hydration process was controlled better by polycarboxylate superplasticizer than the other three superplasticizers owing to its stereoscopic action . and its adaptability to cement was better , by which the cement particles were 相比之下,聚羧酸盐高效减水剂由于其良好的空间位阻效应,能够使水泥颗粒呈完全分散状态,与其他三种高效减水剂相比可有效控制水泥水化历程,与水泥适应性较好。 |