膨胀倍数

膨胀倍数在30-200倍，也可根据实际选择合适的膨胀倍数。

Expansion multiple was 30-200 , which can be selected according to the actual .

从凝胶颗粒的基本特征、外观形态、粒径分布分析入手，研究了膨胀倍数及粘弹性等特征参数，评价了颗粒的物理化学性能。

Beginning with analysis on basic features , visual form and grain - size distribution of gel particles , expansion multiple , viscoelasticity and other characteristic parameters were researched . Physical and chemical performance of the particle was evaluated .

粒径和可膨胀倍数较大的EG具有更好的阻燃增效作用。

The EG with bigger particle size and higher expansion ratio usually has better flame-retardant synergistic effect .

影响预交联体膨颗粒调剖剂膨胀倍数的因素分析

Factors Affecting Swell-multiple of Pre-crosslinking Particle Profile Control Agent

含油污泥体膨颗粒调剖剂在自来水中和0.5%NaCl水溶液中的膨胀倍数分别为40倍和15倍，膨胀后强度和弹性好。

The expansion of the granular plugging agent in tap water and the solution with 0.5 % NaCl is 40 and 15 times respectively .

通过计算说明至少有7对等位基因影响着膨胀倍数的表现，基因效应分析表明其遗传符合加性-显性模型，其中加性效应占主要地位。

Analysis of gene effect showed that genetics of seed expansion times character was fitted to the additive_dominante model , but additive effect was most important .

但目前对这种新型调剖剂性能仅通过膨胀倍数这单一量化指标进行评价，缺乏科学性和实用性。

However , there is only one index to evaluate property of the new agent , which is swelling-multiple . Obviously , it isn 't scientific and practical .

试验结果表明，锂基土的膨胀倍数为21ml/g，远远大于原钙基土的膨胀倍数（6.2ml/g）；

The results show that the expansion capacity of Li-bentonite is 21ml / g , which is greatly more than that of Ca-bentonite ( only 6ml / g ) .

结果表明，在高矿化度条件下，硬颗粒与软颗粒调剖剂相比，具有膨胀倍数高、耐温抗盐性好、提高采收率潜力大的特点。

The results showed that the rigid particle was better than the soft particle in expansion , salt tolerance , heat resistance and EOR efficiency under high salinity condition .

在70~135℃水中老化15天后膨胀倍数显著下降，此后直到60天维持不变，在135℃下为5~12；

The swelling factor of PPG in RPW notably decreases in 15 days of ageing in the RPW at 70 135 ℃ and keeps unchanged up to 60 days of ageing , being in range 5 12 at ageing temperature 135 ℃;

预交联颗粒调剖剂具有较好的体膨性能，调剖粒径、强度和膨胀倍数等可调，可有效地调整吸入剖面，改善聚合物驱开发效果，提高聚合物驱最终采收率。

Pre-cross linking grain profile control agent has good volume expansion behavior , and adjustable grain size , intensity and expansion multiple , which can help modify the infectivity profile effectively , improve the development effect of polymer flooding and increase the ultimate recovery .

研究了水洗温度对热膨胀石墨膨胀倍数的影响，并对其内部机理进行了探讨。

The effect of water washing temperature on the multiple of thermal expansion of graphite is studied and the internal mechanism is investigated .

结果表明：以此工艺制得的膨胀石墨，膨胀倍数在230N以上，含硫量为1000×10-6左右。

The result shows that the expanded time of the expanded graphite prepared under these optimum conditions is over 230 N , and its sulphur content is about 1 000 × 10 - 6 .

用不同粒度的石墨在相同条件下酸化、高温膨胀，可获得膨胀倍数不同的膨胀石墨。

Expanded graphite ( EG ) with different expansion ratio is prepared by using graphite with different particle size under the same conditions including oxidization and expansion at high temperature .

热膨胀石墨水洗温度与膨胀倍数关系的研究

Study on the relationship of water washing temperature of expansion graphite to expansion multiple

通过对不同温度下膨胀水黑云母的体积膨胀倍数的测定、IR和SEM的研究，得出800℃左右的瞬间加热法是制备膨胀水黑云母的最佳条件。

According to volume expansion times , IR and SEM study , the most suitable condition in which hydrobiotite expands is sudden thermal treatment at about 800 ℃ .

为研究不同粒度的鳞片石墨在膨胀过程中孔结构的变化情况，采用不同粒度的石墨在相同条件下经酸化、高温膨胀获得膨胀倍数不同的膨胀石墨。

In order to research the changes of microstructure in graphite during the expansion , and to improve the physicochemical index of fine flake graphite , expanded graphite ( EG ) was prepared by using graphite with different granularity under the same conditions .