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。
Estimation and application of volume density of discontinuities in sampling window;
样本窗口中不连续面体积密度的评价与应用
Through adjusting the grain size gradation of fused silica mud,deducting the add of water when making mod via the special grind-promoted reagent,processing the mod by vacuum mixing and exhausting gas and optimizing the burning course,thus the volume density of developed fused silica product attained to above 1.
通过调整泥浆的颗粒级配、添加减水助磨剂降低制浆加水量、对泥浆进行真空搅拌脱气处理、优化烧成制度,使熔融石英制品的体积密度达到1。
According to the formulation of (1-x)NBT-xBaTiO3, we select the different composition point, adopt different calcined temperature, and determine the best calcined temperature by measuring the samples' volume density and piezoelectric properties.
根据(1-x)NBT-xBaTiO3的配方,分别选取不同组成点,采取不同的预合成温度,根据样品的体积密度和压电性能,确定最佳的预烧温度。
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。
The renovated extruder has been successfully put into practical use, and the results show that the properties and quality of the electrodes produced by the renovated extruder have been greatly improved, including that the volume expansion of the green electrodes after extrusion is reduced, the density and strength of the products are increased, and the porosity of the pr.
用真空成型和同步剪切技术压制的电极,其性能和质量指标发生了许多变化:生电极回涨减少,各工序电极体积密度、强度提高,孔度减少,电极成品率、出口电极挑料比提高,成品电极单重提高。
At present study, excellent, proper pore size and controllable density lightweight ceramic filtration balls which can be applied to sewage disposal were made from diatomite in which pore-forming agent, flux .
本研究以硅藻土为主要原料，加入一定量成孔剂、助熔剂和其它添加剂，制备了孔径适宜、比重可控、性能优异的用于污水处理的轻质多孔陶瓷滤球，探讨了影响多孔陶瓷滤球孔特性和体积密度的诸因素。
ObjectiveTo probe into the relationship of areal bone mineral density (aBMD) and volumetric bone mineral density (vBMD) with bone area (BA) and their effects on diagnosis of osteoporosis(OP) at various skeletal regions in Chinese women.
目的探讨不同骨骼部位的面积骨密度(aBMD)和体积骨密度(vBMD)与骨面积(BA)的关系及其对诊断骨质疏松(OP)的影响。
A study on measuring methods of asphalt mixture bulk density;
沥青混合料毛体积密度测定方法的研究
The paper mainly introduced the choice of comprehensive bulk density for earthworks mixture,and combined with the practice proposed some relative problems.
用数理统计的方法对土石混合料综合毛体积密度的选取作一简要介绍,并结合实际提出路基施工中应注意的问题。
The method to measure the bulk density of compact bituminous mixture is always disputed among researchers.
沥青混合料压实试件毛体积密度的测定方法一直在道路工作者中间存在争议 。
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