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<正> Ⅰ. INTRODUCTIONLet K be a field and F an n×n non-singular alternate matrix over K. From the non-singularity o......
<正> I. Let x=（x1,…, xn） be an independent sample drawn from the population The most commonly used interval estimation of......
<正> P. Erds conjectured that there was no integral solution for the equation XxYy=Zz （1） when X>1, Y>1, Z>. Prof. Ko Chao......
<正> in some neighborhood of ω=∞. It is clear that |C1|=|b1|≤1, |C2|=|b2|≤2/3. G. Springer proved |C3|≤1 and conjec......
<正> In complexity theory, upper bounds have been improved repeatedly, but little has been obtained in the field of lowe......
Let A be a finite-dimensional algebra over arbitrary base field k. We prove: if the unbounded derived module category D-......
Given a finite dimensional special biserial algebra A with normed basis we obtain the dimension formulae of the first Ho......
Let T(A)=A?D(A) be a representation-finite trivial extension algebra. We haveproved: (i) every indecomposable module of ......
Two new compounds,corialins A(1) and B(2) were isolated from Coriaria nepalensis Wall.These new compounds were establish......
In last decades,topological materials[1-3]have attracted lots of research interest.Topological Kondo insulator(TKI)[4],a......
We report the surface electronic structure of niobium phosphide NbP single crystal on(001) surface by vacuum ultraviolet......
If the pleasure of learning is universal，why are there so many dull， incurious people in the world？ It is because they were......
Assessment of Age-related Changes in Left Ventricular Twist by Two-dimensional Ultrasound Speckle Tr
To assess the normal value of left ventricular twist (LVtw) and examine the changes with normal aging by 2-dimensional u......
Effect of an active fraction isolated from the leaf extract of Leptadenia reticulata on plasma gluco
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[ Manuscript received October 8, 2003, in revised form March 2, 2004]Corrosion behaviors of X70 steel were studied by me......
A new algorithm is proposed for joint diagonalization. With a modified objective function, the new algorithm not only ex......
Operation of a laser-driven nano-motor inevitably generates a non-trivial amount of heat, which can possibly lead to ins......
This paper presents both analytical and numerical studies on the global view of Hopf bifurcations of a van der Pol oscil......
A new Lycopodium alkaloid together with a phenolic glyco-side-arbutin, were isolated from the whole plant of Huperzia s......
Effects of oblique incidence of terahertz waves on the response of planar split-ring resonators are investigated, both e......
We investigate the dc Josephson effect in one-dimensional junctions where a ring conductor is sandwiched between two sem......
As the most productive and prestigious writer in contemporary Australian literature,Tim Winton is noted not only for his......
Damage Characteristics of TiD_2 Films Irradiated by a Mixed Pulsed Beam of Titanium and Hydrogen Ion
Titanium deuteride is an important nuclear material used in the field of nuclear technology, and further research is nee......
Topologically non-trivial superconductivity,or more succinctly known as chiral superconductivity,is a new property of qu......
Two consecutive magnetic flux ropes, separated by less than 30 s(Dt 30 s), are observed within one magnetic reconnectio......
Multivariate hash functions axe a type of hash functions whose compression function is explicitly defined as a sequence ......
In our family, my aunt is thought of as being a merry old soul because she always sings as she goes about her daily rou......
Stack filters are more general and robust nonlinear filters than median filter, which possess threshold decomposition a......
Laeunary Measures and Self-similar Probability Measures in Funetion SPaees Hans TRIEBELAbstraet The paPer deals with mul......
The incidence of violence against doctors has been increasing, both in China and worldwide. Very often we hear doctors b......
Whereas conservative therapies aim to stall the advance of disease,regenerative medicine strives to reverse it.The capa......
Theoretical Study on the Hetero-Diels-Alder Reactions between 3-Pyridinedithioesters and 1-Phenylsul
The mechanism, catalytic effect and solvent effect of the hetero-Diels-Alder reac- tions between 3-pyridinedithioesters ......
A new picrotoxane type sesquiterpene named dendrodensiflorol has been isolated from the stems of Dendrobium densiflorum.......
We present a new testing semantics, called friendly testing, whose main property is thatthe induced preorder between pro......
The molecular structures and the vibrational frequencies of uranium hexahalides UX 6(X=F,Cl,Br and I) molecules are inve......
Three new sesquiterpene alkaloids,1-desacetylwilforgine(1),1-desacetylwilforine(2),and 9′-hydroxy-2-nicotinoylwilforine......
大家可能都看过法国作家儒勒·凡尔纳的小说或改编的影视作品《八十天环游地球》,今天,又是英国人完成了乘热气球二十天环游地球的......
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Kohn’s theorem says that a system of charged particles in a uniform magnetic field can be decomposed into center-of-mas......
For the purpose of matching directly the beams from the gas-filled recoil separator,the RFQ cooler and buncher RFQ1L[1] ......
. This paper considers an SEIS epidemic model with infectious force in the latent period and a general population-size d......
asfronauf-fraining program. 航天英雄杨利伟圆满地完成了飞行任务,回来 后要做的第一件事就是与黄伟芬进行交流。黄 伟芬是谁?她......
In this paper, based on new Lyapunov function, the asymptotic properties of the dynamic neural system with asymmetric co......
The patient J is a dynamic and colourful 25-year-old Olympic athlete who has won many medals and accolades in athletics.......
假设E是由方程y~2-y=x~3--x定义的椭圆曲线,Ez是E的Neron模型.本文证明了Steinberg符号{x,y~2}~2是K_2(Ez)中的非扭元
Let E be a......
