| 1. | Test method for ceramic insulators of spark plug . test method for volume density
火花塞瓷绝缘体试验方法.体积密度试验方法 |
| 2. | Test method for physical - chemical properties of electrical carbon product . volume density
电炭制品物理化学性能试验方法.体积密度 |
| 3. | Testing methods for the volume density , general porosity and water absorption of bonded abrasive products
磨具体积密度总气孔率和吸水率.试验方法 |
| 4. | Test methods for the properties of glass fibre reinforced cement . the volume density , water content and glass fibre content
玻璃纤维增强水泥性能试验方法体积密度含水率和玻璃纤维含量 |
| 5. | The experiment showed that the temperatures and the fiber proportions influenced great on the compressive strength , bending strength , volume density and the porosity of the composites
实验结果表明，烧成温度和纤维含量对复合材料的耐压强度、抗折强度、体积密度和气孔率影响较大。 |
| 6. | 2227 dual scintillation density instrument , which is a special - purpose instrument to measure ray strength a certain distance from the source , can help to get exact formation volume density
摘要2227补偿密度测井仪是测量离源一定距离处的射线强度的专门仪器，能够得到真实的地层体积密度。 |
| 7. | By the addition of copper coated carbon fiber , the bend strength and hardness of cf / cu ( c ) - cu composites increased , the volume density and electrical conductivity of the composite have no apparent change
与铜-镀铜石墨复合材料相比，碳纤维镀铜石墨-铜复合材料的硬度和抗弯强度有了进一步的提高，密度和电阻率变化不大。 |
| 8. | The material was sintered at 1050 for three hours to get the porous artificial bone , that its apparent porosity was54 % , its volume density was 1 . 28 g / cm3 , and its bending strength was 13 . 25mpa . the results showed that the sintering temperature was reduced by adding bioglass
本研究采用含生物玻璃前驱体粉末原料，添加柠檬酸造孔剂，模压成型，在1050烧结保温3小时，获得了显气孔率为54 、体积密度为1 . 28s cm ~ 3 、抗弯强度为13 . 25mpa的多孔hap人工骨材料。 |
| 9. | In this paper , the volume density , hardness , bend strength and electrical conductivity of cf / cu ( c ) - cu composites have been tested . the results show that , after graphite is coated by copper , the electrical conductivity , bend strength and volume density of cu ( c ) - cu composites is remarkably increased . with the increase of copper coated graphite , the static characteristics are reduced
本论文通过对不同成分复合材料试样的密度、硬度、抗弯强度和电阻率等静态性能的测试发现，石墨粉表面镀铜提高了材料的导电性能，同时材料的硬度、抗弯强度都有显著的提高；但当镀铜石墨粉继续增加时，材料的导电性能降低，密度、硬度和抗弯强度下降。 |
| 10. | Refractory fiber and product is manufactured by means of dry method and wet method . as an excellent insulation material , it has comparatively low volume density , good softness and very low thermal conductivity coefficient . sticking method , ancjoring method and folding method can be selected respectively . this product can be used in various industrial kilns & furmaces for lowering heat consumption
耐火纤维及制品是采用干法、湿法生产的具有较低体积密度、较好柔软性、极低的导热系数的优质绝热保温材料，施工时可分别采用粘贴法、锚固法、折叠块形式施工，适用于各种工业窑炉降低热耗之用。 |
