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ZrO2-MgO-Y2O3-CaO-Al2O3 composites with a multiphase microstructure were fabricated by die pressing process and sintered......
Syntheses and Structures of Two Coordination Polymers Containing Macrocyclic Oxamide and Isophthalic
Two novel coordination polymers [Cd(NiL)(aipt)](1) and [Mn(nipt)(NiL)2]?H2O(2)(NiL, H2L=2,3-dioxo- 5,6,14,15-dibenzo-1,4......
Phase pure AlP O4 with the AlP O4-18(AEI) structure was synthesised using N,N- diisopropylethylamine as a template. Usin......
1.The Chemical Composition of Traditional Chinese Medicines’substance Chinese medicine and its compound is essentially ......
Promotional effects of copper doping on Ti-Ce-O_x for selective catalytic reduction of NO by NH_3 at
A series of copper-doped Ti-Ce-O_x complex oxide catalysts were synthesized by sol-gel method and evaluated for selectiv......
本文提出了关于Erds-Florian不等式的一种加强形式,并借助于新建立的分析不等式验证了一些特殊情形。
In this paper, we prese......
In the present paper the effects of additions of Zr and Y on the microstructure and mechanical properties for Ti-(6.06.......
Electrolytic low-titanium aluminum (ELTA) was produced by adding TiO2 powder to an industrial aluminum electrolyzer. The......
Effect of RE-N on the solidification microstructures of Fe-B-Ti alloy containing 0.3%C, 2.0%B, and 1.0%(mass fraction)Ti......
As-cast Microstructure,Mechanical Properties and Casting Fluidity of ZA84 Magnesium Alloy Containing
The as-cast microstructure,mechanical properties and casting fluidity of ZA84 alloy containing TiC were investigated.The......
The influences of out-phase electromagnetic field on the as-cast structure of horizontal direct chill casting aluminum a......
INTRODUCTION. Four compounds of diterpenoids that have in vitro cytotoxity against cultured Hala cells have been obtain......
Microstructure Evolution of Hypoeutectic Al-Si Alloy With Electromagnetic Stirring and Ultrasonic Tr
Effects of electromagnetic stirring(EMS),ultrasonic treatment(UST)and the combination of EMS and UST(EU)on solidificatio......
Microstructure Evolution and Phase Transformation of Ti–6.5Al–2Zr–Mo–V Alloy During Thermohydrogen T
Thermohydrogen treatment(THT) is an effective way to refine microstructure and improve the mechanical properties of the ......
Eutectic nucleation in hypereutectic Al-25wt.%Si alloy with the addition of P was studied by calculating the activation ......
随着集成电路特征尺寸进入超深亚微米层次,互连线开始成为制约系统功能和可靠性的决定性因素。本文介绍了布局布线中的几种优化步......
[PtDMBA(SO4)H2O]H2O crystals belong to the orthorhombic system,a=11.073(3),b=9.672(2),c=21.156(7)A,space group C2cb,z=8......
1,2,3,4-Tetrakis(6’,7’--dimethyl)benzoxazolyl cyclobutane was obtained by irradiation of E-l,2-bis(6’,7’-dimethyl-1......
C19H14N2O2ClSSb,Mr = 491.6, space group P1, a = 5.977(1), b= 8.708(1), c = 8.962(1) X, a=93.91(1),B= 103.25(1),r=94.80(......
Quinoxaline 1,4-dioxide (QO2), C8HsN2O2, Mr=162.14,monoclinic, space group P21,a = 4.112(2), b = 7.402(3), c = 11.378(8......
[Er(u-Met)(u-Gly)(H2O)4]2[Er(u-Met)2(HaO)4]2(ClO4)12(NMet=CH3S-(CH2)2CH(NH2)COOH,Gly=NH2CH2COOH), Mr=3194, trilinic, sp......
The title crystal structures have been determined by X-ray diffraction. They crystallize in the monoclinic, space group......
INTNDDUCTION. In our study on ketene aminals, it has been discovered that there are some differences between 2-(benzoyl......
The crystal and Molecular structure of [K(18-crown-6)](Bi(SCN)Cl3] has been deterained by X-ray diffraction Method. Its......
INTRODUCTION. The magnesim, dichloride is widely used as a supporter of the highly efficient Ziegler-Natta catalyst wit......
A joint effort between the Connecticut Department of Transportation and the University of Connecticut has been underway ......
Mr=673.4, Monoclinic, C2/c, a=22.888(6)A, b=9.684(1)A, c=16.180 (6)A,β=114.45(3)°,Z=4. MoRα,λ=0.71073A,room tempera......
The crystal structure of [Er(Gly)2 (HaO)4]2(ClO4)6.4(Dio) (Gly= NH2CH2COOH; Dio=dioxane) has been determined belonging ......
Desheptapeptide (B24—B30)-insulin (DHPI), an essentially inactive insulin analog, is crystallized in space group P2<sub>1</......
It is crucial to design energy-efficient advanced encryption standard (AES) cryptography for low power embedded systems ......
Investigation was made of the ductility and microstructure of a series of cast Ni_3Al-base al-loys,with 19—23 at.-% Al......
Small amount addition of Ce to Fe_3Al results in a significant increase of room temperaturestrength of the alloy,and th......
Precursor route synthesis and thermal contraction of compounds ZrW_(2-x)Mo_xO_8 (x=0, 0.4, 0.6, 0.8,
A series of title compounds as well as their precursors were synthesized by precursor route. Their PXRD patterns were c......
A new phase of Gd_(2-x)Na_xCuO_4 was synthesized by direct precipitation from the mixture of Gd_2O_3 and CuO in the molt......
Unit for Production of MTBE and Butene-1 from Refinery C_4 Successfully Put on Stream at Guangzhou P
The unit for manufacture of MTBE with co-production ofbutene-1 was successfully put on stream at Guangzhou Pet-rochemic......
一句医学箴言这样建议医生:“认真倾听病人的倾诉,他们会告诉你如何诊断。”但是如果病人已经作古一千年了该如何诊断呢?该规律同......
Ultrasonic treatment of the solidifying metal is a promising method for improving the quality of fusion welding. A met......
By means of deformation and long term aging, the stability and phase equilibrim characteristic of the C+N synthetically ......
Low carbon microalloyed steel containing 0.062% C, 2.34% Mn, 0.044% Nb, 0.029% Ti, 0.032% V in mass fraction and small a......
The droplets of Cu-11wt. %Sb hypoeutectic alloy have been rapidly solidified during containerless processing in a 3 m d......
During the last century, several lead mines and a metal smelter were in production in the Upper Ribeira Valley, southeas......
By means of stress relaxation and strain-induced precipitation in deformed austenite, bainite with micron sheaves size ......
The effect of RE element Y on the microstructure and properties of Ti(C, N)-based cermet has been investigated. Yttrium......
Effects of Composition and Thermal Cycle on Transformation Behaviors, Thermal Stability and Mechanic
The phase transformation behavior, mechanical properties, and the thermal stability of CuAlAg alloy were studied andmin......
Precipitation condition and nucleation of Ti2O3 during solidification of clean steel have been studied. The behavior of......
China’s gold price will no longer be set by thecentral government as of July,2001,accordingto a central government pri......
The effects of heat treatment on the Cu-Zn-Al shape memory alloys with mixed RE were researched with the help of X-ray d......
The design, selection and application principles of complex alloys according to the requirements of making low-alloy ste......
After a period of market research, YangquanCoal Group Ltd. is ready to go for an invest-ment in a production line of al......
A two-wavelength sinusoidal phase-modulating(SPM) laser diode(LD) interferometer for nanometer accuracy measurement is p......