您要查找的是不是:
- Thermal treatment action in pipage have great effect on the rheology of waxy crude. 管输过程中热处理作用对含蜡原油的流变性具有很大的影响。
- The main research advances on low temperature viscoelasticity of waxy crude oil were summarized. 概述了国内外含蜡原油低温粘弹性研究的主要进展。
- Most crude oils produced in China are waxy crude with poor flowability at ambient temperature. 我国生产的原油大多为含蜡原油,加热输送是含蜡原油的主要输送方式。
- Viscoelasticity of waxy crude oil originated from the structure of waxy crystal. 含蜡原油粘弹性起因于其内部形成的蜡晶结构。
- The oscillation shear method is the most suitable for the viscoelasticity measurement of waxy crude oil. 振荡剪切实验方法最适合于含蜡原油的粘弹性测量。
- The transport capacity can be increased by adding depressant in waxy crude oil to be delivered. 在含蜡原油的输送中,添加降凝剂可提高输送能力,节约能源。
- The copolymers of EFMA have effects on pour point depression and viscosity reduction of waxy crude oil. 合成了EFMA降凝剂,并考察了它的合成条件和降凝效果。
- The main factors influencing the viscoelasticity are the thermal, shear history of waxy crude oil and wax precipitation characteristics. 含蜡原油经历的热历史、剪切历史以及析蜡特性是影响粘弹性的主要因素。
- This paper studies shear effect on the viscosity and gel point of Daqing waxy crude beneficiated* by pour point depressant (PPD) through experiments. 通过管流剪切、过泵剪切模拟试验以及管输模拟试验,研究了剪切作用对加剂大庆原油粘度和凝点的影响。
- The ultrasonic backscattering of waxy crude oil was measured in laboratory and processed by wavelet transform for bettering the signal/noise ratio. 在实验室条件下对一种含蜡原油的声背散射进行了测量,用小波变换技术降低信号噪声,提高了信噪比。
- When transporting waxy crude oil in pipeline at ambient temperature, depressant is added to reduce pour point and improve low temperature flowability. 在原油中添加降凝剂,可以降低原油凝点,改善原油低温流动性,以利于实现含蜡原油管道常温输送。
- Shear is one of the major factors influencing flow properties of waxy crude beneficiated with the pour-point depressants(PPD). 剪切作用是影响加剂原油流动性的主要因素之一。
- Fluidity improver H89 2 (terpolymer) used to depress the pour point of waxy crude oil was synthesized from alkene, fatty acid alkenyl ester and alkenyl amide. 以烯烃、脂肪酸烯基酯和烯基酰胺或烯基磺酸盐为主要原料,合成了能降低含蜡原油凝点的流动性改进剂H89-2(三元共聚物)。
- Several experiments on crude oil were did under different thermal history,and the mechanism of thermal treatment on the affection of rheology of waxy crude was analyzed. 本文对经历不同热处理作用后的原油进行了对比实验,分析了热历史作用对含蜡原油流变性能影响的作用机理。
- Running of low flow rate in waxy crude oil pipeline in northeast China is facing a severe problem and wax gathering in pipelines is more and more serious. 我国东北含蜡原油管道低输量运行问题日益突出,管道结蜡问题变得愈来愈严重。含蜡原油管道输送成本主要由动力消耗和燃料消耗两项组成。蜡层厚度增大,使得动力消耗增大,燃料消耗减少。
- This paper presents the manufacture procedure,properties and applications of No.20 synthetic aviation lubricating oil which was produced from a feedstock of highly waxy crude. 本文介绍了以高含蜡原油为原料生产20号合成烃航空润滑油的工艺过程、产品质量及使用试验情况。
- From the new aspect of viscoelasticity analysis,the mechanical response of thixotropic waxy crude is achieved by means of elastic and viscous stress analysis. 该模型物理意义明确,可用于求取停输管道的再启动压力。
- For the buried hot waxy crude pipeline running at low flux, the new best pigging period model is established based on old pigging period model, which consider paraffin deposit thickness. 针对热含蜡原油管道低输量下运行现状,在原有经济清蜡周期模型基础上考虑余蜡厚度的影响,建立了含清蜡周期和余蜡厚度两个自变量的最优清蜡周期模型。
- The viscoelasticity of waxy crude oil originates from its internal wax crystal amount and its complex wax crystal shape and structure, but the quantitative correlation between them is not established. 含蜡原油粘弹性源于其内部的蜡结晶量与复杂的蜡晶形态及结构,但二者间的定量关系仍未建立起来。
- The gelling properties of waxy crude oil is typified, mechanism of each gelling process is analyzed, and rheological properties of gelled crude oil and pour point as well as yield stress is discussed. 摘要按照含蜡原油形成胶凝结构的原因,将含蜡原油的胶凝分为两类,即冷却胶凝和等温触变性胶凝,分别对每种胶凝过程的机理进行了分析,并对原油胶凝结构的流变学性质,以及凝点、屈服值等流变学指标进行了讨论。