additions相关论文
<正> The Hammett correlation has been successfully applied to electrophilic additions of the olefins. However, the corre......
Structures,stabilities,and IR and ~(13)C-NMR spectra of dihedral fullerenes:A density functional the
Dihedral fullerenes are thermodynamically stable molecules with D nd or D nh symmetry.Based on experimental findings,two......
Coupled chemical effects of carbon dioxide and hydrogen additions on premixed lean dimethyl ether fl
Kinetic analysis of coupled effects of CO_2 and H_2 additions on laminar lean premixed dimethyl ether flames is performe......
In the present paper the effects of additions of Zr and Y on the microstructure and mechanical properties for Ti-(6.06.......
The influence of Hf and B on the solidifi cation structure of cast Ti-46Al alloys was investigated.The results show that......
Electrochemical properties of cobalt-free La_(0.80)Mg_(0.20)Ni_(2.85)Al_(0.11)M_(0.53) (M=Ni,Si,Cr,C
In order to investigate the effect of different B-site additions on phase structure and electrochemical properties of co......
Effect of Rare Earth Elements on Transformation Behavior and Microstructure Characteristics in X80 P
The studies of the rare earth elements (RE) in low carbon steels suggest that the RE inhibits the ferrite transformation......
To determine the modifying agents for Al-7Si alloys, microstructure observation and mixing enthalpy analysis using Miede......
Low complexity method for spreading sequence estimation of DSSS signal in non-cooperative communicat
It is a necessary step to estimate the spreading sequence of direct sequence spread spectrum (DSSS) signal for blind des......
A new fast two-dimension 8×8 discrete cosine transform (2D 8×8 DCT) algorithm based on the charac-teristics of the bas......
The 1, 2-rearrangements of alkylidenecarbenes XYC=C: (X, Y=CI, H, Me and F)have been studied by using RHF/STO-3G gradie......
A field-scale experiment arranged in a complete randomized block design with three N addition treatments including a con......
可以看出,铸件的组织受到三个主要影响: 1.合金成分金属的成分支配着结晶的基本模式,决定着组织是否由单相或共晶晶粒所组成,或二......
对于低硫铁水来说,加入相当于0.1%硅增量的含饰硅铁,会得到全部白口的铸件。这时相应的钵的增量为0.025%,这种孕育剂的碳化物促进......
Small amount addition of Ce to Fe_3Al results in a significant increase of room temperaturestrength of the alloy,and th......
This paper demonstrates that plasticity enhancement processes previously observed in bcc metalsand associated with the ......
The morphology,structure and distribution of the rare earth compounds in the YG8R.YT5R and YT14Rcemented carbides with ......
Effect of Simulated N Deposition on Soil Exchangeable Cations in Three Forest Types of Subtropical C
The effects of simulated nitrogen(N)deposition on soil exchangeable cations were studied in three forest types of subtro......
A new method of unscented extended Kalman filter (UEKF) for nonlinear system is presented. This new method is a combinat......
As the name suggests, Cao Baoping’s latest film The Dead End doesn’t deliver you to a wholesome, feel-good destination......
Preparation and High Temperature Oxidation Properties of Micro-crystalline MGH754 ODS Alloy Coatings
A special coating technique, electro-spark deposition (ESD), was developed to produce micro-crystalline ODS MGH754 allo......
The present investigation showed that the additions of Ca to the alloy AZ91 were mainly dissolved into the Mg17Al12 phas......
In order to develop feasible hot processing technologies, hot workability of TiAl alloys need to be improved. The hot de......
The effects of rare earth elements on the microstructure and properties of magnesium alloy AM60B alloy were studied. Dif......
The influence of anti-oxidation additions and mi-crostructure characters of fused zirconia raw materials on the corrosi......
Defects and Electron Densities in TiAl-based Alloys Containing Mn and Cu Studied by Positron Annihil
The defects and electron densities in Ti50AI50, Ti50Al48Mn2 and Ti50Al48Cu2 alloys have been studied by positron lifeti......
Cu-Al-Co and Cu-Al-Zr alloys were explored with Co or Zr additions in Cu-Al alloys for high temperature shape memory al......
The World Cup,global warming and the credit crunch have all inspired the latest additions to the English language. The v......
A mathematical model has been developed to analyze the flow patterns and subsurface trajectories of spherical shaped pa......
The wettability in Ni/Ti(C,N) systems with various carbides additions was investigated by the sessile drop technique. Th......
Three nanocrystalline alloys, Fe50Al50, Fe42.5Al42.5Ti5B10 and Fe35Al35Ti10B20 (molar fraction, %), were synthesized fro......
Microstructure and corrosion resistance of sintered NdFeB magnet modified by intergranular additions
Microstructure and corrosion resistance of sintered Nd15Dy1.2Fe77Al0.8B6 and Nd22Fe71B7 magnets modified by intergranula......
Effect of VC and NbC additions on microstructure and properties of ultrafine WC-10Co cemented carbid
The nanocomposite WC-Co powders were prepared through planetary ball milling method.Effects of grain growth inhibitor ad......
The top-seeded infiltration and growth process (TSIG) is an important method to fabricate YBCO bulk superconductors. In ......
Effect of Y_2Ba_4CuWO_y Addition on the Properties of Single Domain YBCO Superconductors by TSIG Tec
Top seeded infiltration and growth technique (TSIG) is an effective method for the preparation of high quality large YBa......
Fabrication,microstructures,and properties of copper matrix composites reinforced by molybdenum-coat
Multiwalled carbon nanotubes(CNTs) were coated by a molybdenum layer using carbonyl thermal decomposition process with a......
Effects of V and Al on Microstructure and Room Temperature Fracture Toughness of Nb-Si In-situ Compo
The effect of alloying elements V and Al on microstructure and room temperature fracture toughness of an experimental Nb......
Different additions of B4C were introduced into TC4 to alter the microstructure and mechanical properties.The morphologi......
Comparative study of β-Si_3N_4 powders prepared by SHS sintered by spark plasma sintering and hot pr
β-Si3N4 powders prepared by self-propagating high-temperature synthesis (SHS) with additions of Y2O3 and Al2O3 were sin......
Effects of Al Addition on the Microstructure and Properties of Nb/Nb_5Si_3 in situ Composites Fabric
Dense Nb/Nb5Si3 composites were fabricated via spark plasma sintering technology using Nb, Si, and Al elemental powders ......
Preparation and Bloating Mechanism of Porous Ultra-lightweight Ceramsite by Dehydrated Sewage Sludge
To solve the disposal problems of solid wastes, dehydrated sewage sludge and Yellow River sediments were tested as compo......
High Performance Long Chain Polyamide/Calcium Silicate Whisker Nanocomposites and the Effective Rein
PA1012/calcium silicate whisker nanocomposites with contents of whisker ranging from 10 wt% to 40 wt%, are prepared by t......
Based on the industrial production of non-oriented silicon steel,the rare earth(RE) treatment during the Ruhrstahl Herae......
Sintering Behavior and Microstructure Evolution of Mechanically Alloyed W-Bronze Composite Powders b
The miscibility of W in Sn and Cu is extremely poor. Sintering of Webronze composites to their full density is proved to......
最后一个压轴的是2011年拿了英国RIBA建筑作业总统奖的方案。故事用伪纪录片的方式讲述在未来,机器人已经取代人类从事各种繁重且......
The electroslag remelting(ESR)furnaces with three-phase installation by delta or star connection are mainly used to prod......
1.Variants of Rewriting The concept of rewriting is not a new fashion but goes back to both Chinese and European antiqui......
Effects of Phosphorus Additions on Microwave Sintering Properties of Uitrafine WC-10Co Cemented Carb
Using the microwave sintering technology,the effects of phosphorus(P)additions on the microstructure and properties of t......
