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1)  bulk density
堆密度
1.
Using Al_2(SO_4)_3,NaOH as raw materials and sodium dodecyl benzene sulfonate(DBS)as surfactant,the fibrous pseudoboehmite nano-particles with low bulk density was synthesized by direct precipitation method.
以Al2(SO4)3和NaOH为原料,十二烷基苯磺酸钠(DBS)为表面活性剂,采用直接沉淀工艺制备了纤维状低堆密度纳米拟薄水铝石。
2.
Based on the long-time research of our workgroup,an integrative relationship of thermal conductivity of tobacco with its contained water ratio and bulk density is presented in this paper.
综合了本课题组长期对烟草导热系数的研究成果,推导出了烟叶和烟丝堆积床等效导热系数与含水率及堆密度的关系式,其计算值与实验值很吻合,并给出了根据一般含湿状态的实验数据得到的若干种不同产地不同级别烟草导热系数基准参数。
3.
Low bulk density Ceria samples were prepared by complex decomposition method.
采用络合物分解法制备了一种氧化铈材料,测定了其堆密度,并通过X射线衍射(XRD)、透射电子显微镜(TEM)和表面吸附(BET)对其物化性能进行了表征。
2)  stacking density
堆密度
1.
In this paper, based on cooling methods, we discuss how to increase thiourea stacking density by changing structure parameters of crystallizer such as type and stirring velocity, amount of additive, and space between stirrer and wall of crystallizer.
采用冷却结晶的方式,通过改变搅拌器形式、搅拌器搅动速率、搅拌器相对于结晶器内壁的间距大小等结晶器装置的工艺参数,以提高硫脲堆密度
3)  bulk density
堆积密度
1.
Measuring method of bulk density of abrasive micro grits;
微粉堆积密度的测量方法
2.
Effects of bulk density on mass loss rate during agro-stalks smoldering;
堆积密度对燃料阴燃初始阶段失重速率的影响
3.
Effect of bulk density of polyaniline and the electrolyte on energy density of Li-PAn battery;
聚苯胺堆积密度和电解液对Li-PAn电池比能量的影响
4)  packing density
堆积密度
1.
A calculation method for packing density of powder in paste with continuous particle size distribution;
浆体中连续粒径粉体的堆积密度计算方法
2.
A calculation method for packing density of aggregate in cement stabilized crushed stone road base;
水泥稳定碎石基层骨料堆积密度计算方法
3.
An Analysis and Calculation of the OpticalThin Film Packing Density and Density Uniform ity;
光学薄膜的堆积密度及密度均匀性的分析与计算(英文)
5)  compactness of rockfill dam
堆石密度
6)  bulk density
成堆密度
补充资料:堆密度
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性质:又称表观密度,体积密度,松密度。是单位体积颗粒床层的固体质量,颗粒床层体积是颗粒体积与颗粒之间空隙的总和。若催化剂质量为m,堆体积为Vb,则堆密度ρb=m/Vb。这种密度可用100ml量筒量出。同一种颗粒,其表观密度不变,但当床层的空隙率不同时,颗粒床层的堆密度不同。

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