Influence of bulk density and graphitization degree on hardness of C/C composites;
C/C复合材料的体积密度和石墨化度对硬度的影响
The results show that both magnesia and spinel are good additives to improve sintering of alumina,and bulk density of the sample can also be increased by properly extending sintering holding time.
结果表明,适量氧化镁和镁铝尖晶石都能有效改善Al2O3陶瓷烧结性能,适当延长保温时间有利于样品体积密度的增加,但是掺杂微量氧化镁更有利于透过率的提高。
The influence of hydroxyethyl methyl cellulose and vinyl co-polymer on the bulk density and capillary water absorption of hardened cement mortars was studied.
研究了羟乙基甲基纤维素和乙烯基共聚物2种聚合物干粉对硬化水泥砂浆体积密度和毛细孔吸水率的影响。
Measuring method of bulk density of abrasive micro grits;
微粉堆积密度的测量方法
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
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
The author's study of continuous compact deposit grading of aggregate through(systematic) experimental research lead to extend the two conventional formulae of continuous grading to five formulae depending on five rheological types of concrete mixtures.
从传统的连续级配密实堆积入手,通过系统的试验研究,将传统的2个常用的连续级配计算式,依5种流变性类型混凝土调整为5个计算式,并得出了5种类型拌合物的最佳石子用量,明确了砂率随胶结材用量变化的规律。
By using particle dense packing theory,the influence of particle size distribution of cementitious material on microstructure and st rength of cement gel were discussed in this paper.
根据颗粒紧密堆积理论,探讨胶凝材料的颗粒级配对水泥凝胶体微观结构及强度的影响。
In this paper,by using the Andreasen theory of the dense packing powder,the author mixed the mineral admixtures in certain proportion to make the particle size distribution of the cementitious materials similar to that of the state of dense packing.
利用Andreasen颗粒紧密堆积理论 ,将不同细度的矿物掺合料以适当比例掺配 ,使得胶凝材料颗粒的级配在一定程度上接近紧密堆积状态。
It is tried to summarize the relationship between the dense packing property and so factors, such as percentage, fineness or the particle size distribution of those mineral powders.
本文通过Aim和Goff模型,从矿物掺合料的密实填充效应方面,理论上分析了矿物掺合料对二元单掺和三元双掺水泥复合胶凝材料体系堆积密实度的改善情况,试图得出体系堆积密实度与各种矿物掺合料掺量、细度、粒度分布的关系;进而又通过试验具体分析研究了调粒水泥内部的颗粒紧密堆积效应对新拌浆体流动性能,硬化浆体强度发展及水化程度、水化产物的影响。
Aiming at the unsatisfactory apparent density of green anode,this thesis figured out the disfigurement of dry aggregate recipe in a certain company,and took some effective steps to gain a higher apparent density,thus improved the quality of pre-baked anode.
针对生阳极制造过程中体积密度始终不理想的现状,通过分析、试验,发现干料配比中存在的问题,并采取有效措施,成功地提高了生块体积密度,从而明显提高了预焙阳极质量。
A test is done on pre-baked anode made from calcined coke in aspects of apparent density,real density,porosity,resistivity of powder,compressive strength,which shows compressed petroleum coke improves its chemical and physical performances.
将煅前石油焦压密和煅烧,通过体积密度、真密度、显气孔率、粉末电阻率、颗粒抗压碎强度的测试,研究压密煅烧石油焦特性。
The investigations were conducted experimentally on not only its petrogrphic structure but alsothe properties of its compressive strength, apparent porosity,apparent density and moisture content.
报道了玻璃－云母多孔材料研制的结果，研究了该材料的岩相结构，对材料的抗压强度、显气孔率、体积密度进行了测试。
refuse pile density;refuse bulk density;apparent refuse density
垃圾堆密度（垃圾体积密度，垃圾表观密度）
Model of porosity can be established according to density of framework of rock, density of rock and density of fluid in rock.
由骨架密度、体积密度、流体密度联合建立孔隙度解释模型。
THE INFLUENCE OF THE REAL DENSITY OF CALCINED COKE ON THE BULK DENSITY OF GREEN ELECTRODES
煅后焦真密度对生坯电极体积密度的影响
Difference between castable amount per unit volume and bulk density
耐火浇注料单位体积用量与体积密度的差异
Carbon materials--Determination of the bulk density
GB/T6154-1985炭素材料体积密度测定方法
Refractory ceramic fibre products-Determination of bulk density
耐火陶瓷纤维制品 体积密度试验方法
Test method for the bulk density of granular refractory materials
GB/T2999-1982粒状耐火材料体积密度试验方法
Piezoelectric ceramic materials--Measuring methods for determination of volume density
GB/T2413-1980压电陶瓷材料体积密度测量方法
The determination of bulk volume density of waste tire rubber powder with vacuum method
真空法测定废旧轮胎橡胶粉毛体积密度的应用
Research on Affecting Factor to Bulk Density of Non-Autoclaved Aerated Concrete with Alkali-phosphorus Slag
碱磷渣加气混凝土体积密度影响因素的研究
The mass of one unit of volume of a material is called its density.
物质单位体积的质量称之为密度。
determination of tamped volume and apparent density after tamping
装填体积和表观密度的测定
By the charge density we mean the per unit volume.
所谓的电荷密度是指单位体积的电荷。
Determination of Holdup by Volumetric Photoelectric Absorption Index and Density.
用体积光电吸收指数和密度确定持率
Construction Technology for Mass Concrete with Dense Barite
高密度重晶石大体积混凝土施工技术
Preparation and Characterization of γ-Al_2O_3 with Low Bulk Density and Large Pore Volume
低堆密度大孔体积γ-Al_2O_3的制备与表征
The quantity of something per unit measure, especially per unit length, area, or volume.
密度某物每单位测度的数量，尤指每单位长度、面积或体积
To decrease gradually in size, amount, intensity, or degree; decline.
衰落体积、数量、密度或程度的逐渐减小；衰退