试验证明，采用三甲酸铝为鞣剂，成品革在面积得革率、单位面积重量、紧实性以及耐老化性等方面都具有优越的性能。
And tests showed that there are considerable advantages for aluminium triformate in area yield, area weight, firmness properties and ageing stability.
给出了无限秩仿射李代数的实形和某种类型的紧效实形的定义，并证明了这种紧致实形在自同构下的唯一性。
In this paper, we define real form of infinite rank affine Lie Algebra and we also give its some types of compact real form which is proved unique under automorphism.
本文着重研究了实型铸造工艺中振动紧实台振动参数与砂体流动性、充填性及紧实度的特性关系。
The relationship between vibration parameters of compaction table and sand fluidity, filling and compaction for EPC was researched in this paper.
该组合具有冬性强、结球紧实、叶球淡绿色、叶肉厚、品质佳等特性。
Both of the new hybrids have the characters of strong winterness, compact bulb, greenish leaf, thick mesophyll and good quality.
本文利用气冲压板冲击、气冲成型压板冲击等紧实方法，对气冲紧实的匀实性进行了改进研究。
In this paper, the molding methods of air pushing clamp plate and air compact formed clamp plate were used to improve the compact homogeneity of molding sand.
前言：研究表明：双冲击造型可以大大提高砂型紧实度及其均匀性；
The test results showed that: two-step air impactmoulding process can achieve the moulds with high and uniform sand compaction;
前言：研究表明：双冲击造型可以大大提高砂型紧实度及其均匀性；
The test results showed that: two-step air impactmoulding process can achieve the moulds with high and uniform sand compaction;
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