n-pentane

美 [en ˈpɛnˌteɪn]

网络  n-戊烷; 正戊烷; 戊烷; 农残级正戊烷

化学



双语例句

  1. The catalytic activity and selectivity of the catalysts for n-pentane isomerization at ambient temperature were investigated.
    考察了所制备的催化剂上常温下正戊烷异构化反应的活性和选择性。
  2. Using developed dynamic drop technique ( floating droplet method), we measured the limits of superheat of n-pentane and n-heptane 、 n-nonane systems of binary n-alkaline mixtures.
    采用发展的动态液滴技术(悬浮液滴法),测定了正戊烷与正庚烷、正辛烷、正壬烷二元混合物的过热极限温度。
  3. Isomerization Reaction of n-Pentane over WC Catalyst
    碳化钨催化剂上正戊烷异构化反应
  4. The non-noble metal catalyst for n-pentane isomerization at low temperature was prepared by acid modification.
    通过酸性改性制备正戊烷异构化低温非贵金属催化剂。
  5. The aging kinetic model in the parameter of n-pentane asphaltine is determined for simply discovering the anti-aging property of blend and oxidation asphalt.
    为了能够简捷、直观地揭示、评价调和氧化沥青的抗老化性能,建立了以正戊烷沥青质为参数的老化动力学模型。
  6. Kinetics of Hydroisomerization of n-Pentane over Pd/ H-Natural Mordenite Catalysts
    正戊烷在钯/氢型天然丝光沸石催化剂上临氢异构化的动力学
  7. Acid Modification for n-Pentane Isomerization Catalyst at Low Temperature
    正戊烷异构化催化剂低温酸性改性
  8. The reliability of the apparatus had been checked by measuring the critical constants of n-pentane.
    测定了正戊烷的临界参数以证实该装置的可靠性。
  9. The changes of n-pentane asphaltene content of two colored paving asphalt ( 70~#, 90~#) that made by ourselves were investigated during aging process.
    考察了所配制的70和90两种彩色道路沥青在老化过程中正戊烷沥青质的变化;
  10. Also, the vapor pressures of n-pentane and 1-hexene at high temperatures were determined simultaneously.
    同时,也测定了正戊烷、1-己烯在高温下的饱和蒸汽压。
  11. A study of catalyst for n-pentane isomerization
    正戊烷异构化催化剂的研究
  12. Nano solid superacid catalysts for n-pentane cracking reaction
    纳米固体超强酸催化正戊烷低温裂解反应研究
  13. Kinetics of hydroisomerization of n-pentane over pt/ h-zeolite
    正戊烷在Pt/H型沸石上临氢异构化的动力学
  14. The author also theoretically calculate energy level distributing and orbit electron density distributing of four stable molecule conformations of n-pentane by using methods of Density Function Theory and Molecule Orbits Theory.
    论文还使用密度泛函理论和分子轨道方法,从理论上计算了正戊烷的四种稳定构象分子的能级分布和它们的价轨道电子密度分布。
  15. The aim of this paper is to study molecule conformation of n-pentane using EMS and thereby provide a new physical detecting way of studying molecule conformation of life-form, especially organic compound.
    本论文的主要工作就是尝试通过电子动量谱学方法来研究正戊烷气体的分子构象,从而为有机化合物分子,尤其是生物大分子的构象研究,提供一种新的物理探测手段。
  16. The effects of trace amounts of n-pentane in the solution on the solubility and metastable zone width were investigated.
    考察了溶解于溶液中的微量正戊烷对溶解度和介稳区宽度的影响。
  17. At high pressure, the density and viscosity for pure substances of the n-pentane, cyclohexane, n-octane, isooctane, benzene and ethylbenzene were measured by vibrating-wire viscometer in different temperature range.
    在高压下利用高温高压振动丝密度粘度仪测定了正戊烷、环已烷、正辛烷、异辛烷、苯、乙苯在不同温度范围内的密度和粘度。
  18. When the density of supercritical n-pentane is constant, the solubility will increase with the temperature increasing.
    当超临界正戊烷密度恒定时,溶解度还将随温度的增加而增大。
  19. Studies of n-Pentane Reaction on Tungsten Carbides Promoted S_2O_8~ ( 2-)/ ZrO_2 Solid Superacid Catalysts
    碳化钨负载S2O8~(2-)/ZrO2固体超强酸催化剂上的正戊烷反应研究
  20. Researching for Pt/ HM Catalytic n-Pentane Isomerization Reaction Conditions
    Pt/HM催化正戊烷异构化反应条件的探索
  21. Study on Selective Oxidation of n-Pentane to Phthalic and Maleic Anhydrides Using VPO-U Catalyst
    VPO-U催化剂用于正戊烷氧化生产苯酐和顺酐的研究
  22. The vacuum residuum from Shengli crude oil was separated into six fractions using n-pentane, isobutanol and isooctane as solvents.
    用正戊烷及异丁醇-异辛烷混合溶剂将胜利减压渣油分为六个组份。
  23. The cracked residues were separated into six fractions by the use of n-pentane precipitation and liquid adsorption chromatorgraphy.
    采用液-固色谱法将裂化残渣油进行了六组分分离,考察了各组分在热转化过程中含量的变化。
  24. Taking n-pentane, n-hexane and cyclohexane as standard reagents, the reliability of the apparatus was checked. The critical properties of endothermic hydrocarbon fuels-Simulate JP-7 and RP-3 were determined.
    采用正戊烷、正己烷及环己烷为标准物对装置进行了可靠性校验,测定了RP-3和仿JP-7两种吸热燃料的临界温度和压力。
  25. Stability of n-Pentane under High Pressure
    高压下正戊烷的稳定性研究
  26. Study on non-noble metal catalyst for isomerization of n-pentane
    非贵金属-β沸石催化剂催化正戊烷异构化的研究
  27. Non-Noble Metal Supported Zeolite Catalyst for n-Pentane Isomerization ⅱ. Influence of Reaction Conditions on Reaction Performance
    非贵金属/沸石型正戊烷异构化催化剂的研究Ⅱ.反应工艺条件对异构化性能的影响
  28. The effects of temperature and air speed were investigated on the selective oxidation of n-pentane to phthalic and maleic anhydrides using the VPO-U catalyst.
    研究了VPO-U型催化剂用于正戊烷选择性氧化制备苯酐和顺酐的催化性能,考察了反应温度和空速对反应过程的影响。
  29. By means of exploring the change of the content of n-pentane asphaltene when the regenerated asphalt was aged, the kinetic parameters by calculating were obtained, and the antiaging property of the asphalts added ultraviolet absorption antiaging agent and original asphalt were compared.
    通过考察老化过程中正戊烷沥青质含量的变化,计算得到了有关动力学参数,建立了老化动力学模型,比较了加入抗老化剂的沥青以及原沥青的抗老化性能。