Modifying and structure characterization of dimeric dibasic acid polyamide resin

With the creation of synthetic process of dimeric dibasic acid polyamide resin and its production equipment in China, the curing agent can be produced to satisfy special performance requirements of the shoe-making trade and its mechanized production.

随着我国二聚酸聚酰胺树脂合成工艺和生产装置的成熟，已能生产出可以满足制鞋业特殊性能要求和机械化生产的固化剂。

Presents Situation and Market Prospects of Dimeric Dibasic Acid

国内外二聚酸的现状与市场前景

Two polymeric and a dimeric lignin model compounds were synthesized and the degradation mechanism was studied during Co-salen biomimetic catalytic oxidation in this thesis.

本文参考相关文献合成了两种高聚体木素模型物和一种二聚体木素模型物，优化了合成工艺条件和中间产物的合成方法，并探讨其在Co-salen仿酶催化氧化中的反应机理。

The performance of modified AKD sizing agent in surface sizing of offset paper was introduced.

介绍了改性烷基烯酮二聚体(AKD)中性施胶剂在表面施胶中的使用效果.

Taking AKD for example, dwelling on neutral papermaking technology among papers made with high-straw pulp.

以AKD为例, 阐述了在高草浆配比中的中性抄纸技术.

Liquid AKD wax can solve the problem of paper slipping.

液体AKD蜡可以解决纸张打滑的问题.

AKD emulsion particles attached on pulp fibers in the sheets.

AKD乳液粒子重视对纸浆纤维中的表.

AKD ( alkyl ketene dimer) emulsions offered good sizing, but rendered very poor ink hold-out.

AKD乳液提供了良好上胶度，但纸之托色效果甚差；

Studies on organoarsenic compounds& ⅶ. reaction of arsonium ylides with ketene dimer

有机砷化合物的研究&Ⅶ.胂叶立德与双烯酮反应

Alkyl ketene dimer ( AKD) as a kind of neutral/ alkaline size is widely used in alkaline papermaking.

AKD作为一种中/碱性施胶剂，在碱性造纸中得到广泛的应用。

Recent Development of Sizing Material& Alkyl Ketene Dimer ( AKD) for Neutral Sizing

施胶技术的近期发展&以烷基烯酮二聚体进行中性施胶

Efficiency and Reversion of Alkyl Ketene Dimer Sizing in Calcium Carbonate Filled Papers

在碳酸钙加填纸中AKD施胶的有效性和逆转性

Theoretical Study of Molecular Faces of Several Pentabasic Cyclic Compounds and the Dimer System

几个五元环化合物和二聚体体系的分子形貌的理论研究

On the contrary, the cyclic dimer of tetramethyl-m-silyephenylene siloxane can not be polymerized at all under the same condition.

而在相同的条件下，四甲基间硅苯撑硅氧烷的环状二聚体却完全不聚合。

Synthesis of a Cyclic Dimer of Dibenzo-18-crown-6 Containing Rigid 4,4 ′-Bis ( aminomethyl) biphenyl Spacer

4,4′-二胺甲基联苯搭桥的二苯并-18-冠-6环状二聚体的合成

Preparation of α-Methylstyrene Cyclic Dimer

α-甲基苯乙烯环二聚体的研制

Study on Synthesis of α-methylstyrene cyclic dimer

阳离子交换树脂催化合成α-甲基苯乙烯环二聚体的研究

It chooses the standardized dimensionless quantity method in this conversion. ( 4) The dissertation constructs an index evaluation model system of the three-dimension financial competitiveness based on the index system of the three-dimension financial competitiveness, which includes synthetic model, matrix model and cubic model.

在设计的三维财务竞争力指数体系基础上，构建了三维财务竞争力指数评价的模型体系，包括综合模型、矩阵模型、立方模型。

Derived from the Newton law and Hertz equation, a dimensionless quantity, called the relative erosion strength, is found to be a constant during the impacting of an abrasive particle on ductile materials.

从牛顿定律和赫兹方程导出一个称为量钢一的量的相对冲蚀强度，发现在磨拉冲击韧度材料过程中保持不变。

The authors suggest a new dimensionless quantity N and try to interpret its physical meaning and predict a "neutral stability curve" in Ma-N map.

文中提出新的无因次量N并解释了其物理意义，还指出Ma-N图上存在一条中性稳定曲线。