In many reasons resulted in steel brittleness, the amphiprotic temper brittleness is a predominant influencing factor. 在导致钢脆性的诸多因素中,二类回火脆性是比较突出的一个影响因素。
Study on the Performances of New Amphiprotic High-molecular Coagulant 新型两性高分子絮凝剂性能研究
Calculation Method of Hydride Ion Concentration on the Amphiprotic Substance Species with Represent of ( NH_4)_2A 以(NH4)2A为代表的两性物质溶液中[H~+]的计算方法
The applicable criterion and an accurate solution of approximation calculating formulas for the concentration of hydrogen ion in aqueous solutions containing an amphiprotic substance 两性物质溶液[H~+]的近似计算公式的使用判据和精确求解
New alternation criterion and new calculating formulas for accurate concentration of hydrogen ion in amphiprotic substance aqueous(ⅱ) 两性物质溶液精确〔H+〕计算的新公式和迭代判据(Ⅱ)
Synthesis and Characterization of an Amphiprotic Highly Branched Polyester Nanoparticle 两亲性高度枝化聚酯纳米微粒的合成与表征
The Supermolecular Structure of a novel comb-type amphiprotic polymer 一种梳型两亲聚合物的超分子结构
Therefore, this experiment carried out the studies on these three sides, effects of polyether with bisphenol A, propylene epoxide, epoxyethane and distribution of hydrophilic groups on PU latex and film and amphiprotic polyurethane latex. 基于此,本实验进行了以下的实验研究,确定了具有双酚A、PO、EO特殊结构的新型聚醚、亲水基的分布对聚氨酯乳液及膜性能的影响,并对两性聚氨酯乳液进行了探讨。
Influence of modification with acidic, amphiprotic and basic oxides on alkylation properties of HY molecular sieve was investigated. 考察了用酸性、两性和碱性氧化物改性HY分子筛对烷基化反应性能的影响。
In this paper, the indirect photometric re-versed-phase chromatographic systems of hydroxy acids are studied using aromatic acidic, basic and amphiprotic UV-detectable reagents. 本文研究芳香族酸性、碱性、两性紫外检测试剂的羟基酸间接光度反相色谱体系;
In the light of much dissolved sericin protein was contained in the silk washing waster water and its amphiprotic, the sericin protein can be extracted by acid protein. 针对丝绸精炼废水中含有大量溶解性丝胶蛋白质,利用其两性特点,经过酸析提取粗丝胶蛋白质,并对丝绸精炼废水进行预处理;
Two types of amphiprotic high-molecular coagulants ie APAM and CGAAC were successfully synthesized by large molecule modification process. 通过大分子改性的方法,合成了两种两性高分子絮凝剂APAM和CGAAC。