因而在溃散性试验中应采用炉冷的冷却方式。
Therefore, it's suggested that the furnace-cooling should be adopted in the collapsibility tes…
水玻璃砂的常温强度越高，其溃散性通常越差。
In general, the higher the atmospheric temperature strength of the sodium silicate sand is, the more deteriorative its collapsibility becomes.
本文研究WK型溃散剂在CO_2法水玻璃砂中的各种性能。
It is gived the properties of CO_2-sodium silicate sand by adding WK-breakdown agent.
本发明提供一种吸收性物品，能够抑制吸液性混合物的形状溃散。
It is intended to provide an absorbing article in which a liquid-absorbing mixture is prevented from deformation.
试验结果表明，超声处理虽然提高了水玻璃砂的常温强度，却也恶化了溃散性；
The experimental results indicate that ultrasonic processing can improve the normal temperature strength of sodium silicate sand, but deteriorate its collapsibility.
本发明用废机油、废柴油和废油漆制成溃散剂，解决了铸件生产污染环境问题。
The invention employs waste machine oil, waste diesel and waste paint to produce collapsibility agent, which solves environmental pollution in cast production.
论述了普通铸钢、铸铁件用的覆膜砂、非铁合金铸件用的易溃散覆膜特种性能覆膜砂。
The coating sand for cast iron and cast steel and collapsible coating sand for nonferrous alloy casting are also described.
证明水玻璃白云石砂的溃散性与铸件的大小、壁厚、浇注温度、吃砂量和打箱时间有关。
The collapsibility of the sodium silicate dolomite sand is controlled by the size, wall, pouring temperature, capacity for sand and draw time of the cast.
呋喃树脂砂用于铝合金铸造时，特别是对于一些大型、薄壁铝合金铸件，型芯的溃散性较差。
Furan resin sand is poor in collapsibility when it is used for al alloy casting, specially for some large, thin section castings.
结果表明：该复合溃散剂能大幅度降低水玻璃砂的残留强度，溃散性优良，成本低廉，具有一定的推广价值。
The results show that the compound disperser can remarkably reduce the residual strength and has good collapsibility and low cost. Therefore, it has the value for itself to be popularized.
而作者开发的复合改性剂，既可提高水玻璃砂的常温强度，又可改善水玻璃砂的溃散性，是目前较为理想的改性剂。
But the composite modification material can not only improve the normal temperature strength of sodium silicate sand but also its collapsibility, so it is a relatively perfect modifier at present.
笔者介绍了新型酯硬化水玻璃砂的性能特点，就酯硬化改性水玻璃砂常温强度和溃散性的影响因素与改进方法进行了试验研究和探讨。
The property characteristics of new generation of ester-hardened sodium silicate sand was introduced, and the factors influencing the atmospheric temperature strength and collapsibility of.
通过结构分析和工艺分析，在大量工艺试验的基础上，选用高溃散性树脂砂制作型芯，并成功地研制出大型薄壁复杂结构的封闭型腔铸件。
The resin sand with high collapsibility is chosen to make the core of the near closed hollow ring on the basis of many technological experimentations through analysis of structure and process.
通过结构分析和工艺分析，在大量工艺试验的基础上，选用高溃散性树脂砂制作型芯，并成功地研制出大型薄壁复杂结构的封闭型腔铸件。
The resin sand with high collapsibility is chosen to make the core of the near closed hollow ring on the basis of many technological experimentations through analysis of structure and process.
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