1.
New Ultrasonic Detector Oil Density of the Design Study;
新型超声波油品密度检测仪的设计研究
2.
crude petroleum and liquid petroleum products-laboratory determination of density-hydrometer method
原油及液态石油产品-密度及相对密度测定方法-液体密度计法
3.
Petroleum products--Determination of density by pycnometer
GB/T2540-1981石油产品密度测定法(比重瓶法)
4.
Viscous oil products of coal carbonization--Determination of density
GB/T15243-1994焦化粘油类产品密度测定方法
5.
Light oil products of coal carbonization--Test method of density
GB/T2281-1996焦化轻油类产品密度试验方法
6.
Petroleum and liquid petroleum products--Determination of density-Hydrometer method
GB/T1884-1992石油和液体石油产品密度测定法(密度计法)
7.
THE RESEARCH ON THE DENSITY-DISTRIBUTING CONDITION OF CERTAIN REFINED OIL IN SOME GREATER CAPACITY TANKS;
部分成品油密度在大容器储油罐中的分布探讨
8.
Petroleum products--Determination of precision data in relation to methods of test
GB/T6683-1997石油产品试验方法精密度数据确定法
9.
reservoir oil density
油层条件下油的密度
10.
Effect of Transplanting Density on Yield and Quality of "Double Low" Rape Suyou No.4
移栽密度对双低油菜苏油4号产量与品质的影响
11.
Using Kerosene Dilution (Densimeter) Method to Determine Foam Heavy Oil Density
煤油稀释(密度计)法测定泡沫稠油密度
12.
Effects of Nitrogen Levels and Sowing Density on Yield and Nutrition Quality of Broadcast-sowing Rapeseed;
施氮量和密度对机（撒）播油菜产量及营养品质的影响
13.
The Study on the Effect of Rapeseed Yield、Quality and Production Potential under Different Sowing Date and Density;
播期、密度对油菜产量和品质及生产潜力影响的研究
14.
Studies on Effect of Growth Regulator on Yield and Quality of High Oil Corn in Different Densities;
生长调节剂在不同密度下对高油玉米产量和品质影响的研究
15.
speed density metering
转速、密度燃油调节
16.
nitroglycerine low-density powder
硝化甘油低密度炸药
17.
oil pressure test for strength and tightness
强度和密封性油压试验油压及强度密封试验
18.
Effect on Yield and Quality in High Starch Corn (DK1)and High Oil Corn(HO907) under Different Nitrogen Rates and Densities;
氮肥及密度对高淀粉玉米（迪卡1号）、高油玉米（高油907）产量与品质的影响