ReY相关论文
稀土改性Y 型分子筛(REY)由于对汽油中典型硫化物—噻吩类硫化物具有较高的吸附选择性和裂化活性,被认为是比较理想的原位降硫催化......
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利用溶剂法和丁胺滴定法对REY分子筛裂化催化剂的表面酸性进行了测定,得到了两套酸量-酸强度分布曲线。确定了溶剂的pK_a~S和Hamme......
In this study,a fow solver was developed based on the governing RANS equations of compressible fows and was further exte......
The high power light emitting diode(LED) array integrated with the microchannel heat sink is designed in this paper, and......
Flow frictional characteristics of microencapsulated phase change material suspensions flowing throu
An experimental investigation was conducted on the laminar flow frictional characteristics of suspensions with microenca......
Passive Control of Laminar Separation Bubble with Spanwise Groove on a Low-speed Highly Loaded Low-p
LES (Large-Eddy Simulation) computations were preformed to investigate the mechanisms of a kind of spanwisegroove for t......
1 INTRODUCTIONFlow-dependent erosion-corrosion may be defined asthe metal loss phenomenon caused by the synergisticeffe......
Effects of simulated submerged and rigid vegetation and grain roughness on hydraulic resistance to s
Better understanding of the role of vegetation and soil on hydraulic resistance of overland flow requires quantitative p......
Partitioning of rare earth elements and yttrium (REY) in five coal-fired power plants in Guizhou, So
As indispensable strategic materials for high-tech industries, rare earth elements and yttrium (REY) have become particu......
深海沉积物中的稀土资源是潜在的海底稀土资源。本文对太平洋中部重力柱取样获得的1275个深海沉积物样品的矿物组分、常量、稀土化......
Flow distribution and the effects of different boundary conditions are achieved for a steady-state conjugate (Conduction......
深海沉积物中稀土（REY，包括Y）是继多金属结核、富钴结壳和热液硫化物之后又一有潜力的深海矿产资源。对中太平洋46个富稀土的沉积物样......
采用液相离子交换法制备了CeY、NdY、HoY分子筛,并通过Mitchell等体积浸渍法对其进行Ni污染.运用氨气程序升温脱附（NH3-TPD）和原位吡......
根据全收敛楔三油楔轴承模型建立了该轴承的油膜厚度方程，并利用Reynolds方程建立了油膜摩擦力矩的计算式，研究了轴旋转速度对轴心平......
采用套管式换热器，热水走管程，冷水走壳程，对间隙为0．50～2．50mm，Re=0～5000窄环形流道的流体进行了传热和阻力特性的实验研究。拟合出传热系......
综合前人发表的关于太平洋、大西洋以及印度洋等深海沉积物中稀土元素含量的数据,本文较为系统地阐述了全球深海富REY泥(REY-rich ......
研究了旋转气流中空心柱液体射流的流动参数、喷嘴几何因素在液膜分裂破碎过程中的不稳定性作用. 结果表明:液膜的分裂破碎主要是......
利用世界先进的计算流体工程软件CFX5．3，对我国设计的约旦哈桑体育场^[1]及其西看台上的大悬臂挑篷零度风向风流场和压力系数分布进......
以分形聚集生长模型为基础，通过三维模拟泥沙颗粒在布朗运动、重力沉降和紊流作用下的碰撞、粘结和破碎过程，探讨了紊流对粘性细颗粒......
采用具有七阶精度的有限差分格式和基于Euler方程组的特征边界条件,通过直接数值模拟研究了由固定相位周期性吹吸扰动诱导的、Ma∞......
建立了三角形微肋阵对流换热性能测试系统,以去离子水为工质对三角形微肋阵（d=247μm,H=500μm）的流动及对流换热特性进行了实验研究......
当前绝大多数文献关于贾卡织机的描述过于简单,不利于读者、研究者理解这-纺织技术史上最重要的机械发明之-.基于多年来对贾卡织机......
针对所研制的高压比涡轮增压器压气机,基于构建的进气高原模拟试验台架,开展高原环境下车用增压器压气机特性试验分析与研究,以探......
Depositional Setting and Petrophysical Evaluation of Reservoir of the K-Field in the Western Offshor
The Rio Del Rey basin is a prolific petroleum field on the Continental margin of the gulf of Guinea and is one of the ma......
Correlations for the extension of a water vapor jet injected in a liquid pool were historically proposed considering the......
Assessing learning potential in people with schizophrenia using the Rey Osterrieth Complex Figure Te
A growing literature indicates that learning potential (LP) measures, which examine performance changes following traini......
以NaY、HY、液相Ce离子交换改性Y分子筛(L-CeY)和稀土离子改性超稳Y分子筛(HRSY-3)为研究对象,运用XRD、N2吸附、NH3-TPD和Py-FTIR......
2.33～2.06Ga期间发生了全球性大气圈充氧作用及其相关的δ~(13)C_(carb)正异常,被称为Lomagundi事件。2.2～2.174Ga的辽河群大石桥菱......
REY分子筛凭借其优秀的水热稳定性和裂化活性成为催化裂化催化剂中重要的一员。通常，REY分子筛的生产工艺采用二交二焙，其中两次交换......
