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凝点     
相关语句
  freezing point
    Hydrogenation Cracking and Modification Catalyst to Produce More Clean Diesel with Low Freezing Point
    多产低凝点清洁柴油的加氢裂化/加氢改质的加氢裂化催化剂
短句来源
    The results showed that, with mass fraction of P being 3.5%, the catalyst had better activation and selectivity. Under the reaction condition of hydrogen pressure being 14.5 MPa, H_2/oil molar ratio being 700, space velocity being 1.35 h~(-1) and reaction temperature being about 400 ℃, above 370 ℃ lubricating oil distillate's freezing point was lower than -15 ℃, viscosity was 97.
    催化剂的w(P)为3.5%时,催化活性、选择性较好,在p(H2)为14.5 MPa,氢/油体积比为700,空速为1.35 h-1,温度约 400 ℃的反应条件下,370 ℃以上润滑油馏分的凝点低于-15 ℃,黏度指数为97.
短句来源
    The properties of the poly-alpha-olefin oils were studied by kinematical viscometer and petrolic products distilling test instrument. The viscosity is 4.80 mm~2/s and 23.09 mm~2/s at 100 ℃ and 40 ℃, respectively. The viscosity index is 132, the freezing point is -60 ℃.
    采用运动粘度仪和石油产品馏程测定器等仪器研究了聚合物合成油的物化性能,100℃的粘度为4.80 mm2/s,40℃的粘度为23.09 mm2/s,其粘度指数为132,凝点为-60℃。
短句来源
    In order to meet the variation of market demand on different diesel in northern cold area , a single stage hydrofining-hydrodewaxing in series process was developed. It has been applied to produce premium low freezing point diesel fuel from inferior diesel and straight run wax bearing oil .
    根据北方寒冷地区市场对柴油牌号需求变化大的特点,研究开发了加氢精制-临氢降凝一段串联工艺,用于处理劣质柴油和直馏含蜡馏分油制取优质低凝点柴油。
短句来源
    The development and application of cold filter plugging Point test,its relationship to the low temperature performance of diesel fuels,as well as its adoption as a requirement in diesel fuel specifications are described. The merit of using cold filter Plugging point in diesel fuel specification are studied by comparison with freezing point,pour point,and cloud point.
    本文比较了凝点、倾点、冷滤点、浊点作柴油低温性能指标的合理性,叙述了冷滤点试验的发展与应用,以及它与柴油实际低温使用性能的关系,作为加流动改进剂柴油的质量规格方法的可靠性.
短句来源
更多       
  condensation point
    Influence of average carbon number on poly-olefin lube oil's viscosity index and condensation point
    烯烃平均碳数对聚-α烯烃合成油粘度指数和凝点的影响
短句来源
    The properties of the poly-alpha-olefin synthetic lubricant were studied. The yield of the poly-alpha-olefins synthetic lubricant is 81.42%. The results show that the viscosity at 100 ℃ is 4.87 mm~2/s,the viscosity at 40 ℃ is 21.15 mm~2/s,the viscosity index is 126,the condensation point is-62 ℃.
    结果表明,产品收率为81.42%,100℃的粘度为4.87 mm2/s,40℃的粘度为21.15 mm2/s,粘度指数为126,凝点为-62℃。
短句来源
    Practicability research for the condensation point of the crude oil by capacitance measurements
    用电容法测量原油凝点的可行性实验
短句来源
    Compared with mineral insulating oil, the mainly difference of the vegetable insulating oil include poor anti-oxidizability and high viscosity at condensation point.
    然而与矿物绝缘油相比,植物绝缘油的抗氧化性能较差,而且凝点、黏度较高。
短句来源
    The experimental results show that the dielectric constant of the crude oil reaches a peak value near its condensation point. The results are the same as those obtained from the laboratory method.
    实验结果表明,原油介电常数在原油的凝点附近达到一个峰值,这与实验室方法得到的结果相符,初步得出电容法测量原油凝点是可行的结论。
短句来源
更多       
  solidifying point
    Predicting Solidifying Point And Cold Filter Plugging Point of Blended Diesel Oil with ANN Method.
    基于ANN方法预测柴油调和的凝点和冷滤点
短句来源
    The characteristics of the high viscous crude from No. 1 Shuguang zone of Liaohe oil field are similar to that of residue distillates of general crude with high density ( ρ 20 =0.9977 g·cm -3 ), high viscidity ( v 100 =1 223.9 mm 2·s -1 ) and high solidifying point(48℃). It contains no gasoline distillate and diesel yield is just 7.19%.
    辽河油田曙一区超稠原油密度大(ρ20 = 0 .997 7 g·cm - 3) ,粘度超稠( v100 = 1 223 .9 m m 2·s- 1) ,凝点高(48 ℃) ,无汽油馏分,柴油馏分收率仅为7 .19 % ,其性质类似一般原油的渣油馏分。
短句来源
    The crude oil of Xizang Lunpala Oilfield was evaluated comprehensively. The properties of various distillates from this crude oil were analyzed and evaluated respectively. The results indicated that this crude oil has the characteristics of high density(ρ 20 =0.949 2 g.cm -3 ),high viscidity (υ 50 =23 455.5 mPa·s) , high solidifying point(48.0 ℃),high thermal energy and high wax content.
    对西藏伦坡拉原油做了综合评价 ,分析了原油和各个馏分的性质 ,结果表明 :该原油密度大 ( ρ2 0 =0 .94 92g/cm3) ,粘度高 (υ50 =2 3 4 55.5mPa·s) ,凝点高 ( 48℃ ) ,残炭较高 ,热值较高 ,蜡含量高 ,属高蜡原油。
短句来源
    Compared with commercial HZSM-5 catalyzer, the gas and diesel oil yields slightly increase, solidifying point of diesel oil decreases by 10.5 ℃ and 25.5 ℃ and octane number of gasoline greatly increases under the same operation conditions.
    在相同的操作条件下 ,同商业用HZSM - 5、NaZSM - 5催化剂比较 ,气体产率和柴油产率有所提高 ,柴油凝点分别降低了 10 .5℃、2 5 .5℃ ,汽油的辛烷值得到大幅度提高。
短句来源
    2 petroleum factory of Fushun. The results show that the solidifying point(SP) of 0# diesel fuel is decreased to 23 ℃ when composition of cetanol acrylate-styrene biopolymer and stearyl acrylate-styrene biopolymer is 2∶1 (mass ratio), and mass fraction of depressant is 0.5%,
    实验结果表明丙烯酸十六醇酯-苯乙烯二元共聚物与丙烯酸十八醇酯-苯乙烯二元共聚物以2∶1(质量比)进行复配,降凝剂质量分数为0 .5 %时,能将0 # 柴油凝点降低2 3℃。
短句来源
更多       
  pour point
    Quality Control of Host Fractionator Light Diesel Pour Point on TDC3000
    主分馏塔轻柴油凝点质量控制在TDC3000上的实现
短句来源
    Abstract The catalyst ZDS-1 in dropping pour point of diesel fuel was developed. The pourpoint of diesel fuel from the third line of atmosoheric tower was reduced by 48~58℃ atnormal pressure and without hydrogen and the liquid recovey from 0.75 to 0.80, from0.45~O. 50 of which can be used as diesel fuel.
    研制了柴油降凝催化剂ZDS-1.在常压、非临氢条件下常三线柴油凝点可降低48~58℃,液体产品收率为0.75~0.80,其中柴油收率为0.45~0.50.催化剂单程使用寿命约5个月。
短句来源
    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)。
短句来源
    Mass fraction of Pt being 0.4%, that of F being 1.50%, the bifunctional catalysts prepared by tertiary ammonium exchange h ave better property of pour point depression.
    经 3次交换 ,w(Pt)为 0 .4 % ,载体酸性改进剂w (F)为 1 .50 %的双功能催化剂降凝效果较好 ,测得未蒸馏油品的凝点可达到 - 6 0℃ .
短句来源
    The product yields, and the pour point and viscosity index of the lube fraction higher than 370℃ were investigated under a pressure of 14. 5MPa, a hydrogen/oil ratio volume ratio of 700 and a WHSV of 1. 35h-1 at different temperatures.
    考察在反应压力14.5MPa,氢油体积比700,质量空速1.35h~(-1),不同反应温度条件下反应产物的收率及大于370℃润滑油馏分凝点和粘度指数的变化。
短句来源
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  freezing point
The effect of constant magnetic field on the rheological properties and freezing point of a number of high-paraffinicity oils is studied.
      
Universal behavior of shear viscosity near the freezing point
      
The dynamics of liquids above the freezing point is studied.
      
Electroluminescence of the model ferroelectric relaxor, lead magnoniobate, above the freezing point is studied when the exciting sinusoidal electric fields are heterodyned.
      
By analyzing the bond-types and the relation of atomic average energy versus temperature, it was demonstrated that as cooling rate being 2×1012 K/s, the Cu70Ni30 formed fcc crystal structures and freezing point was found.
      
更多          
  condensation point
It is shown that the only singularities of the function f(p, h) are first-order poles for real h = hn >amp;lt; 0 (n = 1, 2, ...) with the condensation point h = -1, which form an infinite discrete (countable) set.
      
Optimum operation temperatures are near to the condensation point of each gas species.
      
The finite radii of grains are about from 0.01 μm to 0.6 μm depending on the density near the condensation point, the velocity of matter outflow, and the stellar effective temperature.
      
In the present formulation, weight functions can be calculated by using a general-purpose finite element code combined with analytical expressions near the condensation point, where hyper-singularities exist.
      
Numerical results are reported for the two order parameters and for the quasihole and quasiparticle energies, as functions of temperature through the condensation point.
      
更多          
  pour point
The experimental results indicated that the anomalous rheological behavior of EVA copolymer, widely used as a flow improver, is related to its efficiency in reducing viscosity and depressing pour point of crude oil and waxy solvents.
      
The eigen-temperature of virgin crude is almost equal to its pour point, while the eigen-temperature of PPD-beneficiated crude is much lower than its pour point.
      
Gel point or pour point is the temperature indicating the gelling of waxy crude, and is widely used for evaluating the low temperature flowability of a crude oil.
      
This shows that the temperature at which storage modulus equals loss modulus is just the pour point of waxy crude oil.
      
Gel point or pour point is widely used to evaluate the low temperature flowability of crude oil.
      
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