symmetrical相关论文
Background: To date, most tibial designs focus on Western anatomy. The maximal bony coverage of the proximal tibia by ei......
本文利用组合波导理论对熔锥直线型3×3单模光纤定向耦合器中的光功率耦合行为进行了详细的分析,并对该种耦合器的中心端光纤和旁......
Some people think there is almost nothing history has to tell us. They believed what is done is in the past and instead ......
Multidisciplinary diagnostic dilemma in differentiating Madelung’s disease—the value of superb micro
BACKGROUND Madelung’s disease,also known as multiple symmetrical lipomatosis,is a rare,underrecognized disorder of fat ......
Cerium and ruthenium co-doped La_(0.7)Sr_(0.3)FeO_(3-δ)as a high-efficiency electrode for symmetrica
Symmetrical solid oxide fuel cells(SSOFCs)could be alternative energy conversion devices due to their simple fabrication......
By using Dirac–Heisenberg–Wigner formalism we study electron–positron pair production for linear, elliptic, nearly ci......
QUANTITATIVE FORMULATION OF THE RULE OF ORIENTATION FOR THE IONIC ADDITION REACTION OF NONCONJUGATIV
<正> A large body of facts has shown that, for the ionic addition reactions of an unsymmetrical reagent onto an unsymmet......
<正> Ⅰ. INTRODUCTION The reverberation method is a comparatively good method for measuring sound absorption. However, a......
The locomotive turntable is an essential device for the steering operation of the railway locomotive.This paper has intr......
China has had a long urban experience. The existence oftowns in China can be dated to 2600 BC, and the pattern of urban......
Symmetry and pattern are valuable forms of beauty that can be cherished on both the macroscopic and molecular levels. Sc......
Host-guest complexes of a water soluble cucurbit[6]uril derivative with some dications of 1,ω-alkyld
Interactions between a symmetrical tetramethyl-substituted cucurbit[6]uril (host:TMeQ[6]) and 1,ω-alkylenedipyridine (......
Uplift of Symmetrical Anchor Plates by Using Grid-Fixed Reinforced Reinforcement in Cohesionless Soi
Uplift response of symmetrical anchor plates with and without grid fixed reinforced(GFR)reinforcement was evaluated in m......
5月14日对于斯巴鲁来说是个特别的日子，距离斯巴鲁1966年5月14日推出搭载独具特色的水平对置发动机小型轿车SUBARU1000上市整整50周......
In this paper, the bacterial celluloses(BCs) were pyrolysed in nitrogen and then activated by KOH to form a porous three......
Phenylboronic acids in crystal engineering:Utility of the energetically unfavorable syn,syn-conforma
Phenylboronic acids can exist, in principle, in three different conformers (syn,syn; syn,anti and anti,anti) with distin......
A modified analytic embedded atom method (MAEAM) potential is constructed for fcc δ-Pu.Molecular dynamics (MD) simulati......
Simple and efficient method for synthesis of metallodeutero-porphyrin derivatives bearing symmetrica
A novel thiol-derivative porphyrin[2,7,12,18-tetramethyl-13,17-di(3-disulfidepropyl)porphyrin]bearing the symmetrical di......
The quasi-classical trajectory(QCT) method is employed to calculate the stereodynamics of the abstraction reactions H/D+......
Novel sulfur-containing compounds(3a–3c, 4a–4c) were obtained in ethanol with 1,3-diphenyl-2-propanone as the starting......
A new 5,5’ -bisdiazo-dipyrromethane, compound 2, has been synthesized and cha- racterized. The crystal of 2 is of monoc......
Calcium carbonate with three-dimensional chrysanthemun flower-like structure was successfully prepared from calcium chlo......
With the full treatment of the Helfrich model we theoretically study the symmetrical adhesion of two cylindrical colloid......
Both tetrahydrofuran(THF) and 2-methyltetrahydrofuran(MTHF) are studied systematically at desired temperatures using mol......
Yttrium oxide nanopowder was prepared by a novel technique using an alginate biopolymer as a precursor.The technique is ......
We performed density functional theory calculations of H, C, and O chemisorption on the UN(001) and(111) surfaces using ......
A Three-dimensional Cd(Ⅱ) Coordination Polymer with Unique 8-Connected LOMFOI Topology Based on Mixe
A new metal-organic framework,{[Cd(DPA)(OBA)]·(H2O)}n(1,DPA = 4,4-dipyridylamine,H2OBA = 4,4-oxybisbenzoic acid),has be......
In the transition metal-catalyzed cross-coupling reactions,phenol and enol derivatives activated by phosphorus groups ar......
Highly efficient and magnetically separable nano-CuFe_2O_4 catalyzed S-arylation of thiourea by aryl
The non-toxic and magnetically separable nano-CuFe_2O_4 catalyzed synthesis of symmetrical aryl sulfides by the reaction......
Effect of structural parameters of Gaussian repaired pit on light intensity distribution inside KH_2
KH2PO4(KDP) crystal with excellent optical properties is a very important element of inertial confinement fusion(ICF) de......
Determining the sum of flexoelectric coefficients in nematic liquid crystals by the capacitance meth
A detailed theoretical analysis of determining the sum of flexoelectric coefficients in nematic liquid crystals using th......
An efficient and simple protocol of copper-catalyzed C-S bond formation between aryl halides and inexpensive and commerc......
The turbulence behavior of gas-liquid two-phase flow plays an important role in heat transfer and mass transfer in many ......
Two monocarbonyl analogs of curcumin containing bis(2,6-difluorobenzyl) were synthesized,and their molecular structures ......
A coupling model is proposed in this paper by using the Green Function and Newman’s product principle, and the solution......
Impurity segregation at grain boundaries(GB)is one of the significant effects on the mechanical properties of alloys,e.g......
A Self-consistent Field Study on the Adsorption of Symmetrical Triblock Copolymers between Two Paral
Using the continuum self-consistent field theory(SCFT), the adsorption of flexible symmetrical triblock polymers onto th......
By using density functional theory(DFT)-based first-principles calculations, the structural stability and electronic pro......
Synthesis of nucleoside tetraphosphates and dinucleoside pentaphosphates from nucleoside phosphoropi
A novel and efficient method for the preparation of nucleoside 5’-tetraphosphates has been developed by coupling nucleo......
Synthesis of symmetrical 1,3-diynes via tandem reaction of (Z)-arylvinyl bromides in the presence of
Microwave-assisted tandem reaction of(Z)-arylvinyl bromides involving an elimination and homocoupling in the presence of......
Structure and Interaction of Adsorbing Symmetrical Triblock Polyampholyte Solution between Two Plane
In this paper, the continuum self-consistent field theory(SCFT) is applied to study the structure and the interaction of......
A Cd(Ⅱ) Coordination Polymer with cds Topology Constructed by Polycarboxylate and Imidazole-containi
A new Cd(Ⅱ) coordination polymer,{[Cd(pda)(bimb)]·(H_2O)_(0.5)}_n(1,H_2pda=1,3-phenylenediacetic acid,bimb = 4,4-bis(1......
Gelation capability of cysteine-modified cyclo(L-Lys-L-Lys)s dominated by Fmoc and Trt protecting gr
A series of symmetrical peptidomimetics(3–8) based on cysteine-modified cyclo(L-Lys-L-Lys)s were synthesized, and their......
Synthesis,Characterization,and Linear and Nonlinear Optical Properties of Phenylene-vinylene Based C
A series of symmetrical and unsymmetrical phenylene-vinylene(PV)based chromophores with the molecular configuration of d......
We propose an ultra-broadband and polarization independent planar absorber comprising multilayered graphene. The bandwid......
A convenient rhodium catalyzed oxidative arene homologation of aniline derivatives with symmetrical or unsymmetrical alk......
The structures of 26 different congeners of polychlorinated biphenyls(PCBs, including monothrough deca-chlorinated) were......
4月20日,第十三届北京汽车展览会拉开帷幕。斯巴鲁汽车(中国)有限公司以最新混合动力概念车“SUBARU VIZIV 2”领衔旗下精品代表车......
This work is focused on the performance prediction of pilot scale catalytic reverse flow reactors used for combustion of......
A novel unsymmetrical fluorescein derivative substituted by chlorine and naphthol, 2 ’-chloroseminaphthofluorescein, wa......
