The expansion of cold-pressed dehulled cake can destroy the cellular structure, increase bulk density, and improve solvent extracting performance obviously.
通过膨化处理破坏了菜籽仁冷榨饼的细胞组织结构，提高了物料的容重，显著改善了物料的浸出性能。
An amende nt should decrease bulk density increase toltal porosity and incr ease water and air content.
改良剂能降低容重，增加总孔隙度，增加水和空气的含量。
The results show that the porosity and water absorption decrease and the bulk density and bending strength increase, along with the sintering temperature raising and the time prolonging.
结果表明：随着烧结温度的升高和保温时间的延长，气孔率和吸水率减小，体积密度和弯曲强度升高；晶粒长大填充气孔，使多孔材料孔隙率下降而强度增加。
If the sintering temperature increases properly, the bulk density would increase and the crystal grows into better shape.
研究发现，随着烧结温度升高，陶瓷体积密度增大，有利于晶体的生长以及陶瓷致密化。
In the same modifier, as the increase of the using level of calcium activator, the bulk density showed a descending trend gradually and the microaggregate showed an opposite trend gradually.
随着钙活化剂用量的增加，容重呈现逐渐下降的趋势，而微团聚体则呈现逐渐增加的趋势。
With the increase of sintering temperature, the apparent porosity of sample decreases, while bulk density, hardness and compressive strength increased.
随烧结温度的升高，材料的显气孔率降低，而体积密度、硬度和抗压强度均增加。
With the increase of farming years the degradation of nutrients, texture and bulk density weakened the soil abilities of water and fertility retention.
随耕种年限的增加，耕地在养分、质地以及容重退化的同时保水保肥能力降低。
Upward along the slope, soil pH value, organic matter content, total porosity and capillary porosity increase, and soil bulk density decreases.
土壤容重沿坡面向上减小可能主要与土壤有机质含量、粘粒含量、结构状况和松紧度以及孔隙度状况等有关。
The mixed forest transformed net increase in forest litter layer of the soil surface allowed the small soil bulk density and larger soil porosity.
改造后的纯林内增加了土壤表面的枯枝落叶层，从而使得其内的土壤容重小，土壤孔隙度变大；
The mixed forest transformed net increase in forest litter layer of the soil surface allowed the small soil bulk density and larger soil porosity.
改造后的纯林内增加了土壤表面的枯枝落叶层，从而使得其内的土壤容重小，土壤孔隙度变大；
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