refinement相关论文
To obtain high-performance Al-Si-based cast alloys, refinement and modification of Si phases are required. An Al-12Si/Zn......
Spectral change and far-red emission of Mn2+ ions co-doped NaSrB5O9∶Dy3+ luminescence material for p
Due to the characteristic emission of phosphors,phosphor-converted LEDs have been employed to provide the requisite ligh......
The correlation between the deformation behavior and the microstructure of AZ31 magnesium alloy processed by as-extruded......
Quasi-geoid plays an important role in space exploration,satellite navigation and geophysical engineering construction.A......
Investigation of the Effect of Grain Refinement on the Mechanical Properties of 6082 Aluminium Alloy
In this study, it is aimed to investigate effect of the grain refinement on the mechanical properties of the AA 6082. Th......
A novel annealing method to uniformly refine deformed mixed grain microstructure of a solution-treat
Increasing static recrystallization(SRX)nucleation rate and decreasing grain growth rate are the main ways to obtain uni......
This chapter discusses two important aspects of the structure-determination process that are related to the accurac......
公共建筑能源管理系统建设有完善的规范体系标准,是建筑节能减排措施的验证依据,有着良好的经济效益、管理效益和社会效益。本文结......
<正> Ⅰ. INTRODUCTION The 1-vinylsilatrane is a compound with the presence of pentacoordinated silicon. Structural studi......
<正> The pyrrolizidine alkaloid monocrotaline-N-oxide is synthesized from monocrotaline (C16H23NO6). Many pyrrolizidine ......
本文主要介绍了如何在当前水文形势下加强测站规范化管理，在规范化管理的基础上进行精细化管理。结合镇江分局的工作情况，于2014年提......
The crystal structures and phase transformation of zirconia ceramics have been investigated by means of X-ray powder dif......
Low-temperature superplasticity of ZK40 magnesium alloy processed using equal channel angular pressi
Microstructure evolution and superplastic behaviors of ZK40 magnesium alloy were investigated in the temperature range o......
Microstructure and properties of mechanical alloying particles reinforced aluminum matrix composites
Aluminum matrix composites reinforced with mechanical alloying particles(SiC_p) were fabricated by the semisolid stirrin......
Effects of grain refinement on cast structure and tensile properties of superalloy K4169 at high pou
In order to improve the filling ability of large complex thin wall castings, the pouring temperature should be increased......
The effects of Sm, Si and Ca on the microstructure and mechanical property of AZ91 magnesium alloy were investigated by ......
This paper reported a novel synthetic route to Eu2+ doped SrSiN2 deep red phosphors for white light-emitting diodes. A s......
Two perovskite-type fluorides K2NaVF6and(NH4)3VF6were synthesized under mild hydrothermal conditions.The structures of t......
ZrOCl2·8H2O and ZrO(NO3)2·2H2O were used respectively to synthesize a NASICON solid electrolyte by a sol-gel method. T......
Structural analysis and crystal-field calculations of Nd~(3+) in Gd_x Lu_(1-x) TaO_4(x = 0.85) polyc
The crystal structural parameters of Nd 3+-doped rare earth orthotantalate Gd x Lu 1 x TaO 4(x = 0.85) are determined by......
The title compound {[Mn(H2BPTC)(tpy)(H2O)]·(H2O)3}n (1, H4BPTC = 1,1′- biphenyl-2,2′,6,6′-tetracarboxylic acid, tby ......
The subsolidus phase relations of the ZnO-BaO-V2O5 ternary systems were investigated by means of X-ray diffraction analy......
Al-Ti-B-Er refiner was successfully prepared by CR (contact reaction process),a process based on SHS (self propagating h......
The first part of this report describes the data reduction of non-merohedrally twinned crystals measured on Bruker and A......
Pyrochlore Gd2Zr2O7 are considered as an excellent candidate for treatment of radioactive waste forms, because of its su......
Synthesis,Crystal Structure and Fluorescence Properties of a 3D Framework Based on Hexanuclear Lanth
The reaction of lanthanum(Ⅲ) nitrate and 5-nitroisophthalic acid in isopropanol/H2O under hydrothermal conditions leads......
Hydrothermal Synthesis and Crystal Structure of a New 2D Mn(II) Coordination Polymer with 4,4′-Sulfo
A novel manganese coordination polymer [Mn2(sfdb)2(biyb)2(H2O)2]n (1, H2sfdb=4,4′-sulfonyldibenzoic acid, biyb=1,4-bis(......
A new mixed-valence heterometal cluster Mo8VW2VIO26(C5H5N)8·2H2O has been synthesized under solvothermal conditions and......
Phase pure AlP O4 with the AlP O4-18(AEI) structure was synthesised using N,N- diisopropylethylamine as a template. Usin......
Solvothermal Synthesis,Crystal Structure and Luminescent Property of a New Zn(Ⅱ) Coordination Polyme
Under solvothermal conditions, a new Zn(Ⅱ) coordination polymer, namely [(CH3)2NH]2[Zn(bpea)(bib)]·2H2O(1, H2 bpea = b......
A New Three-dimensional Zn(II) Coordination Polymer Based on Trinuclear Zn(II) Units with a Three-fo
Under solvothermal conditions, a new trinuclear Zn(II) complex, [Zn3(bpdc)3(DPNDI)]· 3NMF(1, H2 bpdc = biphenyl-4,4-d......
本文通过差示扫描量热法、电子探针以及等温低温退火处理,系统地研究了铱硼二元体系在B元素含量10%~70%范围内化合物的结构及组成,......
Non-merohedrally Twinned Crystal Structure of the Co-crystal Ethyl 6-(2-5-(Ethoxycarbonyl)-pyridin-2
The two component molecules of the co-crystal 0.69(C18H20N2O6)?0.31(C18H18N2O6) lie on a center-of-inversion that exists......
An approach of simultaneous strategies with two novel techniques is proposed to improve the solution accuracy of chemica......
Crystal structure determination of three polycyclic compounds and comparative Rietveld refinement be
The crystal structures of normethisterone, gestonoronacetat, and griseofulvin were directly determined from the X-ray po......
Hydrothermal reaction of naphthalene-1,8-dicarboxylate with Pb Cl_2 leads to a new coordination polymer compound,Pb(C_(1......
A new rubidium europium polyphosphate,RbEu(PO_3)_4,was synthesized by the high-temperature solution reaction and studied......
A new boroantimonate K_2SbB_3O_8 has been synthesized by high-temperature solidstate reactions, and its crystals have be......
A vanadyl phosphate containing a new member of tancoite-like single chain,(DAPH2)[VIVO(HPO4)2]·xH2O(x≈0.2,DAP=1,3-diam......
A Novel Mixed-valence and Capped-keggin Structural Polyoxometal Complex:{[Co(dien)]_4-[(PO_4)Mo_8~Ⅴ(
A novel inorganic-organic hybrid compound,{[Co(dien)]4[(PO4)MoV8(WVI0.56MoVI0.44)4-O33(OH)3]}·nH2O(1,n≈1,dien=diethyle......
Synthesis, structural study, thermal, optical properties and characterization of the new compound [C
The new organic-inorganic compound, [C_6H_7N_2O_2]_3TeCl_5·2Cl was synthesized and its structure was determined at room......
Synthesis, structure and luminescent properties of a new Vernier phase Lu_7O_6F_9 doped by Eu~(3+) a
To explore novel nano-scintillator with a controllable architecture, pure and Eu3+ doped lutetium oxyfluoride(Lu7O6F9) p......
Construction of a Self-assembling Intertwined Spiral Solvent Channel Based on Interactions between M
The construction of an unprecedented intertwined spiral solvent channel is driven by weak C–Cl···O and C–H···N i......
A New Mn(Ⅱ) Coordination Polymer Based on 1H-pyrazolo[3,4-b]pyridin-3-amine: Crystal Structure, Magn
A new polymer formulated as [Mn_3(1,3-BDC)_3(L)(H_2O)_3](1) based on linear trinuclear unit Mn_3(COO)_6 has been synthes......
Dam-break analysis is of great importance in mountain environment,especially where reservoirs are located upstream of de......
Integrating 1D and 2D hydrodynamic,sediment transport model for dam-break flow using finite volume m
The purpose of this study is to set up a dynamically linked 1D and 2D hydrodynamic and sediment transport models for dam......
A study of subject-focused liaison services to its academic constituents under an IC~2 conceptualize
This paper stipulates that the subject-based library liaison service to a university’s teaching and research programs w......
The layout of datapaths is much complexer than that of a normal IC chips, because more constraints must be considered. ......
Theoretical calculation of the finishing rolling elongation in alloying non-quenched and tempered st
The finishing rolling elongationδof the alloying non-quenched and tempered steel is calculated with the covalent electr......
Intelligence attention model is a premise of implementing the structured monitoring of science and technology(S&T) infor......
