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separation     
相关语句
  分离
    Study on Salt Effect and Its Application in Separation Process
    关于盐效应及其在分离过程中的应用的研究
短句来源
    Distillation Separation Sequence Optimization Synthesis Based on Soft Computing Intelligence
    基于软计算智能的精馏分离序列优化综合
短句来源
    Research on Nonlinear Stochastic Characteristics of Separation Processes in Hydrocyclones
    水力旋流器分离过程非线性随机特性研究
短句来源
    Hydrogen Generation from Ammonia Decomposition and Separation by Palladium Membrane
    氨分解制氢与钯膜分离氢的研究
短句来源
    Study on the π-Complexation Adsorbents for Ethylene-Ethane Separation
    乙烯—乙烷分离用π络合吸附剂的研究
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  分选
    The VFB has a good separation effect and can separate the fine coal of 6~1mm with a probable error (Ep value) of 0.08 and a quantitative efficiency of 91.66%, providing a new dry separation technology for fine coal.
    分选 6~ 1 mm级细粒煤 ,数量效率为 91 .66% ,分选精度( Ep值 )达 0 .0 7,为细粒煤的分选提供了一条新的干法分选途径
短句来源
    The best technical process included magnetic separating at 120kA/m after classification and grinding,and gravity separation of magnetic tailings with helix screw-chute. The mixed iron concentrate contained 61.32% Fe with a recovery of 83.28% and a yield of 72.86%.
    硫酸渣分选最佳工艺流程为:预先分级、磨矿后在120kA/m条件下磁选,磁选尾矿用螺旋溜槽重选,混合精矿的品位61.32%,回收率83.28%,产率72.86%。
短句来源
    Fundamentals of triboelectric separation of fine particles
    细粒摩擦起电分选的基础
短句来源
    RESEARCH OF SEPARATION FOR GRAPHITE AND TALC BY CONTROLLING THE GAS-SOLUTION INTERFACIAL TENSION
    用控制气一液界面的表面张力方法分选石墨和滑石矿物的研究
短句来源
    SEGREGATION AND PULSATING FLUIDIZED SEPARATION OF AGRICULTURAL BULK MATERIALS
    农业散粒物料的偏析和脉动流化分选
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    Computation and Optimization of Non-isothermal Pressure Swing Adsorption Process of Air Separation for Oxygen
    非等温变压吸附空制氧过程的计算和优化
短句来源
    Influence of Phase Separation on Crystal Nucleation in Li_2O-SiO_2 Glasses
    相对LiO_2-SiO_2玻璃晶化成核的影响
短句来源
    Determination of the best position of the argon fraction in the air separation distillation system
    空精馏系统最佳氩馏位置的确定
短句来源
    Based on previous transformation of a 3200m3/h air separation unit from regenerative process into molecular sieve purification process,further changes have been made to increase the oxygen output from 2100m3/h to 3600m3/h, including replacing upper column plate,adding secondary heat exchanger and optimizing process of expander output.
    在将原蓄冷器流程3200m3/h空设备改造为子筛净化流程的基础上,再次对其进行更换上塔塔板、增加辅冷、优化膨胀机出口流程的改造,使空设备氧气产量由2100m3/h增加到3600m3/h。
短句来源
    The Effect of Phase Separation on the Hydrolization of the Na_2O·CaO·2P_2O_5 Glasses
    相对Na_2O·CaO·2P_2O_5玻璃水解性的影响
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  分离性
    Study on Properties and Structures of Ethyl Cellulose Flat Membrane Applied to O_2-N_2 Gas Separation
    乙基纤维素平板膜用于O_2-N_2气体分离性能和结构研究
短句来源
    Studies on Novel Acrylic Acid Crosslinked Chitosan Pervaporation Membrane(Ⅱ)──Pervaporation Separation of Ethanol-Water Mixtures
    丙烯酸交联壳聚糖渗透汽化膜研究(Ⅱ)──乙醇/水混合液的渗透汽化分离性
短句来源
    STUDY ON GAS SEPARATION PROPERTIES OF CARBON MENBRANE
    炭膜气体分离性能研究
短句来源
    PREPARATION AND SEPARATION PERFORMANCE OF SUPPORTED TiO 2 POLYIMIDE HYDROPHILIC COMPOSITE MEMBRANE
    负载型TiO_2-聚酰亚胺亲水复合膜的制备与分离性
短句来源
    Studies on the reverse osmosis separation for aqueous solutions of low molecular weight organics by PAA PSF crosslinked composite membrane
    PAA-PSF交联复合膜对低分子量有机物水溶液反渗透分离性能研究
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      separation
    Another proof of Joseph and Letzter's separation of variables theorem for quantum groups
          
    Originally introduced in the context of separation of variables for certain partial differential equations, PSWFs became an important tool for the analysis of band-limited functions after the famous series of articles by Slepian et al.
          
    Our implementation is based on the "Separation of Variables" technique (see, e.g., Maslen and Rockmore, Proceedings of the DIMACS Workshop on Groups and Computation, pp.
          
    A brief summary of the theoretical background of QSRR is followed by presentation of reversed-phase high performance liquid chromatographic (RP-HPLC) separation theories of applications to the reported QSRR.
          
    In this paper, by introducing isometrically Pc0 property a separation form of convergence theorem is presented and the results generalize and unify several interesting conclusions in recent years.
          
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    The optimum conditions of preparation of molecular sieve had been studied. When the alkality and the ratio SiO_2/Al_2O_3 of the mineral soluton are 200% and 2 respectively, and crystallizing under, 90℃ for 4 hours, 4A molecular sieve was obtained. Its composition is Na_2O.Al_2O_3·2SiO_2·nH_2O.The authors used this molecular steve to determine the adsorption isotherms of water for the systems CH_3OH-H_2O and n-C_3H_7OH-H_2O, and the relative degrees of dehydration were calculated. The adsorption data show that...

    The optimum conditions of preparation of molecular sieve had been studied. When the alkality and the ratio SiO_2/Al_2O_3 of the mineral soluton are 200% and 2 respectively, and crystallizing under, 90℃ for 4 hours, 4A molecular sieve was obtained. Its composition is Na_2O.Al_2O_3·2SiO_2·nH_2O.The authors used this molecular steve to determine the adsorption isotherms of water for the systems CH_3OH-H_2O and n-C_3H_7OH-H_2O, and the relative degrees of dehydration were calculated. The adsorption data show that the separation ability of this sample for the system n-C_3H_7OH-H_2O is greater than that for the CH_3OH-H_2O system.

    本文研究了分子篩的最佳制备条件。当矿化液的碱度和SiO_2/Al_2O_3分别等于200%及2时,並在90℃下晶化4小时,可获得4A分子篩,其組成为Na_2O·Al_2O_3·2SiO_2·nH_2O。作者等用該分子篩测定了其对CH_3OH—H_2O及n—C_3H_7OH—H_2O系統中水的吸附等温綫,並計算了相对浓縮度。吸附数据表明:分子筛对n—C_3H_7OH-H_2O系統中水的吸附能力要大于CH_3OH—H_2O系統。

    Flow adsorption method, developed recently, is a quick, accurate and convenient method for the determination of specific surface area. But anomalous peaks appear when small surface area is being determined; this, of course, will effect the accuracy of the result. The reason of the appearance of the anomalous peaks is analysed in this article. It is found that the appearance of the anomalous peaks is mainly caused by the temperature gradient in the sample tube, from which thermal diffusion separation...

    Flow adsorption method, developed recently, is a quick, accurate and convenient method for the determination of specific surface area. But anomalous peaks appear when small surface area is being determined; this, of course, will effect the accuracy of the result. The reason of the appearance of the anomalous peaks is analysed in this article. It is found that the appearance of the anomalous peaks is mainly caused by the temperature gradient in the sample tube, from which thermal diffusion separation of He-N2 diffusions. Longitudinal and radial thermal diffusions are analysed separately. The anomalous peaks caused by radial thermal diffusion is found to have equal positive and negative peak areas. The accumulative amount of N2 in the sample tube caused by longitudinal thermal diffusion is so small that can be neglected in calculation. Therefore, in determining small specific surface area, the area of adsorption (desorption) peaks and thus the specific surface area are obtained by calculating the algebraic sum of the areas of the positive and negative peaks when anomalous peaks appear. In this way satisfactory result can be obtained and it makes possible to determine surface area as small as 0.01M2.

    流动吸附法测定比表面是近年来发展起来的快速、准确而又方便的比表面测定方 法,但此法在测定小表面时会出现反常,使准确测定带来困难。本文分析研究了反常 出现的原因,主要是由于温度梯度的存在引起He-N2气体的热扩散分离所造成的。 文中对热扩散分径向和纵向进行了分析,从而得出了径向扩散造成的反常是正反峰面 积相等的,纵向扩散造成的N2在样品管中的积累量很小.计算时可以忽略,从而对小 表面测定出现的反常进行正反面积代数和的方法计算吸(脱)附面积,再求比表 面,测定的结果与实际情况符合,实现了对小至 0.01M2的小表面的准确测定。

    An algorithm for multistage multicomponent separation calculations was presented for the extractive distillation columns including both the first column for separating C5 alkanes and alkenes from dienes and the second column for separating alkynes and cyclopentadiene from isoprene.

    本文报导C_5烃萃取蒸馏塔数学模型计算工作,包括一萃(分离C_5烷、烯和C_5双烯)以及二萃(分离异戊二烯和环戊二烯、异戊烯炔等)两个体系的萃取蒸馏计算。 基于用色谱法和平衡釜法测得的大量C_5烃在溶剂存在下的汽液平衡数据,我所曾推荐C_5烃在溶剂存在下用最简单的直线关联式:用此式,结合由全循环、全回流塔测得的γ_(ip)和χ_s及温度的关系,参照卢焕章提出的数模计算方法,作了一定的修改后,我所对C_5烃分离进行了逐板计算,并以我所的92块筛板、沿塔身共有9个取样口的模拟塔实测结果进行验证。结果证明,无论是组份数多达20个左右的一萃,还是大多是微量组份的二萃,计算值和实测值都能基本符合。一萃平均偏差为0.36%,二萃常量组份平均偏差为0.20%,<1000ppm的微量组份平均偏差为27ppm,其中<10ppm的平均偏差为0.9ppm。一萃温度平均偏差2.5℃,二萃1.3℃。 上述结果说明,测得的基础数据,提出的汽液平衡关联式以及所采用的计算模型对C_5烃的DMF萃取蒸馏过程都是合适的。

     
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