hy相关论文
The kagome metals AV3Sb5 (A =K,Rb,Cs) under ambient pressure exhibit an unusual charge order,from which superconductivit......
本论文运用一些固体核磁共振技术,特别是探针分子技术,研究了两种不同的介孔、微孔分子筛的碱诱导Bro|¨nsted酸本质,以及CeO2-γ-......
A new route was developed for the synthesis of renewable decalin with cyclopentanone which can be de- rived from lignoce......
A calcium stearate-based hydrophobic coating was formed on an anodized magnesium alloy by the electrodeposition method.T......
本文主要研究了Nd、U、Ce改性的HY分子筛催化剂上的正庚烷临氢转化反应性能,并对其反应活性及异构化选择性的变化原因作了简要分析......
本实验室前期工作表明，MCM-41是一种较好的深度HDS催化剂载体，还发现将HY引入MCM-41担载的Ni-Mo催化剂表现出较高的HDS活性。本文用T......
研究了用正硅酸四乙酯化学液相沉积改性的HY分子筛催化桥式四氢双环戊二烯异构化制备挂式四氢双环戊二烯的反应.结合 BET、Py-IR ......
Empty nose syndrome pathogenesis and cell-based biotechnology products as a new option for treatment
Empty nose syndrome (ENS) is a rare complication that develops after partial orcomplete turbinectomy. The main feature o......
Hydrodynamic cavitating flows usually consist of 3-D intense vortical flows that are detached from solid boundaries.Deta......
Distribution of Mid-deeply Buried Sand-bodies and their Hydrocarbon Significance at Basin Margins: C
The current research aims to unlock the temporal and spatial distribution of sand-bodies and their relationship with hyd......
Distribution of Mid-deeply Buried Sand-bodies and their Hydrocarbon Significance at Basin Margins:Ca
The current research aims to unlock the temporal and spatial distribution of sand-bodies and their relationship with hyd......
In order to investigate the formation mechanism of tin ores associated with F-bearing granite, an ex-perimental study of......
目的分析Danon病患者心肌肥厚的超声表现与分子生物学指标的相关性。方法追踪3例Danon病患者心肌肥厚超声变化及分子生物学指标的......
近年来,双氯芬酸（DCF）在不同环境介质中被频繁检出,它可能会对人体健康和生态系统造成不良影响,因此被认定为一种新兴的污染物.本文......
SUPERPROCESS is one kind of measure-valued branching Markov processes. In the recentdecades many results of superprocess......
The variations in structure and acidity on the internal and external surfaces of HY zeolites modified by MgO and SiO2 ha......
2004年12月11日，yepp与众星云集的百事音乐风云榜携手发布会，宣布第一次亲密接触的启动，引爆“数码音乐季”。三星年末大举推出了6款M......
Hydrogen could be enriched on grain boundaries by stress induction and other traps.The enriched hydrogen facilitated emi......
A powerful approach to the synthesis of an unprecedented polynorbornene with pendant moiety bearing azide and terminal a......
Sandwich Structure-like Meshes Fabricated via Electrospinning for Controllable Release of Zoledronic
Novel sandwich structure-like nanofiber multilayered meshes were fabricated via electrospinning. The purpose of the pres......
The first part of this report describes the data reduction of non-merohedrally twinned crystals measured on Bruker and A......
Amination of tertiary and secondary alcohols using aqueous ammonia as nitrogen source was carried out by a process with ......
The catalysts Ni/Al2O3, Ni/ZrO2-CeO2-Al2O3 and Ni/CuO-ZrO2-CeO2-Al2O3 were prepared by the co-precipitation method at a ......
Effect of reaction conditions and kinetic study on the Fischer-Tropsch synthesis over fused Co-Ni /A
Co-Ni/Al2O3catalyst was prepared by the fusion method and used in Fischer-Tropsch synthesis(FTS).The catalysts were char......
Vanadium phosphorus oxide (VPO) catalysts were synthesized by the dihydrate method which involved the two steps for the ......
One new sesquiterpene lactone,1 α,8 α,9 α-trihydroxyeudesman-3(4),7(11)-dien-8 β,12-olide(1) and two new phenylpropa......
以CuCl2为前驱物与HY分子筛进行固相离子交换制备了Cu/Y催化剂,采用热重方法研究了CuCl2与HY分子筛的表面固相离子交换反应,结合活......
Aqueous lubrication is commonly regarded as friendly to the environment.We review current knowledge of the behaviors and......
在B3LYP/6-311++G(3df,2p)及MP2/6-311++G(3df,2p)水平上探讨了以CaH2为质子受体及多种常见质子供体构成的CaH2…HY(Y=CH3,C2H3,C2......
Syntheses, Crystal Structure and Magnetism of a Hexanuclear Copper(II) Cluster with the Unique Two-p
Treatment of a heptadentate ligand 2,2’-(((pyridine-2,6-diyl-bis(methylene))-bis((pyridin-2-ylmethyl)azanediyl))bis(met......
Studies on Microwave-assisted Ring-opening Polymerization and Property of Poly(9-phenyl-2,4,8,10-tet
Poly(9-phenyl-2,4,8,10-tetraoxaspiro-[5,5]undcane-3-one)(PPTC) was synthesized by the microwave-assisted ring-opening po......
Micellization and Gelation of the Double Thermoresponsive ABC-type Triblock Copolymer Synthesized by
A double thermoresponsive ABC-type triblock copolymer(poly(ethyleneglycol)-block-poly(2-(2-methoxyethoxy) ethyl methacry......
Density Functional Theory Investigation on the Reaction Mechanisms of Ti(~3F) with CH_2Cl_2 and CHCl
The reaction mechanisms of Ti(~3F) + CH_2C1_2→CH_2=TiCl_2 and Ti(~3F) + CHC1_3→HC÷TiCl_3 were investigated with Gauss......
[Objective] To analyze the composition and content of volatile components in Semen Cassiae. [Methods]The volatile compon......
Hydraulic characteristics of converse curvature section and aerator in high-head and large discharge
The hydraulic characteristics and cavitation erosion near the converse curvature section in the high-head and large disc......
THEORETICAL AND EXPERIMENTAL STUDIES OF THE FLARING GATE PIER ON THE SURFACE SPILLWAY IN A HIGH-ARCH
The experimental studies of the flaring gate pier applied on the surface spillway in a high-arch dam show that a shock-w......
Titanate Nanorods Modified with Nanocrystalline ZnS Particles and Their Photocatalytic Activity on P
Aiming to produce materials with enhanced photocatalytic properties, the synthesis of new crystalline nanocomposites by ......
The Middle Route Project for South-to-North Water Transfer, which consists of a long artificial open channel and various......
Alluvial channel has always adjusted itself to the equilibrium state of sediment transport after it was artificially or ......
Case presentation A female patient, 69 years old, retired worker,was hospitalized for retrosternal distress for 16 hou......
应用红外光谱研究了异己烷、正己烷、己烯-1、环己烯、苯等碳六烃在Y沸石表面的吸附过程。发现烃吸附后,超笼羟基消失;不饱和烃吸......
应用红外光谱技术研究了异己烷、己烯-1、环己烯、苯等不同结构碳六烃在HY沸石表面结炭过程中的结构变化过程。发现在实验温度范围......
The new complex of melamine (MA) with isophthalic acid (H2IA), [(HMA+)- (HIA-)]·2H2O, has been prepared and its structu......
以穆斯堡尔谱研究了Fe_2(C_2O_4)/HY和Fe(C_2O_4)_3/HZSM-5在氢气中的热分解。草酸铁(Ⅲ)在HY和HZSM-5沸石上不同的热分解方式主......
以气相色谱和Mossbauer谱研究了K_3[Fe(C_2O_4)_3)负载在HZSM-5和HY沸石上的性质和热分解。实验表明这两种沸石对负载的K_3[Fe(C_2......
用CNDO/2方法定量计算氨在HY(Si/Al=2.4)沸石上的吸附热,其值24.4kcal/mol与实验值符合较好。质子在表面与NH_3间迁移,有两个能量......
用红外光谱测定了碱度相近、构型不同的分子,如:氨、三乙胺和三正丁胺等及构型接近、碱度不同的分子,如:吡啶、2,6-二甲基吡啶和哌......
