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Search Results: 1 - 10 of 55573 matches for " LIN Shan-Hai "
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Effects of environmental factors on growth and sporulation of Exserohilum rostratum causing banana leaf spot disease
环境因素对香蕉叶斑病菌喙突脐蠕孢生长和产孢的影响

LIN Shan-Hai,HUANG Si-Liang,CEN Zhen-Lu,QIN Li-Ping,FU Gang,LI Qi-Qin,
林善海
,黄思良,岑贞陆,覃丽萍,付岗,黎起秦

菌物学报 , 2013,
Abstract: 为进一步明确香蕉叶斑病菌喙突脐蠕孢的生物学特性,调查了部分环境因素(碳氮源、植物成分培养基)对供试菌株(CLER09、D087和JL05)的营养生长和产孢的影响。结果显示,分生孢子主要先从基部萌芽,在28℃下约培养10h后出现两端萌芽;供试菌株对测试的20种碳源及26种氮源显示相似的生长反应,均可利用除菊糖外的测试碳源及氮源进行营养生长和产孢;测试的6种植物成分培养基对供试菌株的营养生长效果皆优于PDA培养基;除燕麦培养基外,其余5种培养基对菌株CLER09和D087的产孢作用均优于PDA培养基;测试的6种培养基对菌株JL05的产孢作用均优于PDA培养基。不同植物成分培养基对该菌分生孢子形态影响较大,以米糠、象草培养基对菌株D087 和JL05的分生孢子长度和玉米粉培养基对菌株CLER09的分生孢子宽度的增长效果最为明显。
CALCULATION OF ELASTIC CONSTANTS OF SIMPLE METALS BY PSEUDOPOTENTIAL METHOD
用赝势方法计算简单金属的弹性常数

LI SHU-SHAN,LIN GUANG-HAI,
李树山
,林光海

物理学报 , 1982,
Abstract: The second and third order elastic constants of seven simple metals (Li, Na, K, Eb, Cs, Al and Pb) are calculated using the one-parameter Heine-Abarenkov model potential with the Hubbard-Sham dielectric function. The two adjustable parameters are determined from the experimental data of the elastic constant C44 and the lattice constant of the crystal at 0 K and zero pressure. The calculated results are in comparatively good agreement with the experiments or the theoretical calculations of other authors. Especially for Al, the present results of the third order elastic constants are closer to the experimental data than those found in the literatures.
CALCULATIONS OF HUGONIOT CURVES FOR FIVE SIMPLE METALS WITH PSEUDOPOTENTIAL METHOD
用赝势方法计算五种简单金属的Hugoniot曲线

LI SHU-SHAN,LIN GUANG-HAI,
李树山
,林光海

物理学报 , 1980,
Abstract: On the basis of the pressure Px at 0 K deduced by the present authors in the paper 1], using Debye solid model and considering the thermal pressure of electrons, we obtain the equation of state for metals at high temperature and pressure. Combining this equation with Hugoniot equation we can calculate the Hugoniot curves which can be compared with experimental data. The Hugoniot curves for five simple metals (Na, K, Mg, Al and Pb) are calculated. The comparison between theory and experiments shows that the theoretical calculations are all in fairly good agreement with the experiments when the pressure is below 500 kbar for Na and K, 1.7 Mbar for Mg, 4.9 Mbar for Al and 34 Mbar for Pb.
CALCULATIONS OF THE EQUATIONS OF STATE FOR SOME SIMPLE METALS WITH PSEUDOPOTENTIAL METHOD
用赝势方法计算某些简单金属的状态方程

LI SHU-SHAN,LIN GUANG-HAI,
李树山
,林光海

物理学报 , 1980,
Abstract: 本文提出了一种确定简化的Heine-Abarenkov模型赝势参数的新方法,使用零温、零压下晶体的体积模量和晶格常数的实验值来确定赝势参数γc以及电子-离子平均相互作用能的修正系数H。用这种模型势和二阶微扰理论计算了十一种简单金属的状态方程。在293K计算出的压力-体积关系与实验数据进行了比较。除了Zn在不同实验数据之间本身就偏离较大外,理论与实验的符合都比较好。
Quantum turbo product codes
量子Turbo乘积码

Xiao Hai-Lin,Ouyang Shan,Xie Wu,
肖海林
,欧阳缮,谢武

物理学报 , 2011,
Abstract: Quantum communication is a growing interdisciplinary field which combines classical communications and quantum mechanics. Quantum error correction coding is one of the key techniques in quantum communication. Nearly all of the classical error correction coding schemes have been transplanted to the domain of quantum communication, and the quantum counterparts of classical error correction coding techniques have been found. Based on the classical turbo product codes (TPCs) which is one of the most outstanding schemes in classical coding region, a new structure of the CSS-type quantum convolutional codes (QCC) as stabilizer sub-code of the quantum turbo product codes (QTPC) is presented. Firstly, CSS-type QCC stabilizer generator is constructed with the help of group theory and the basic principle of stabilizer coders, and the corresponding networks are described. Secondly, the interleaved coded matrix of the QTPC is obtained by quantum permutation SWAP gate definition. Finally, the corresponding relation between the quantum trace distance of QTPC decoding and the distance of classical TPCs decoding is obtained, and the scheme of QTPCs coding and decoding is completed. The coding and decoding of QTPCs have a highly regular structure and a simple design idea, and the networks are easy to realize.
Headspace Solid-Phase Microextraction Analysis of Volatile Components in Narcissus tazetta var. chinensis Roem
Hsin-Chun Chen,Hai-Shan Chi,Li-Yun Lin
Molecules , 2013, DOI: 10.3390/molecules181113723
Abstract: The volatile components in single-flowered and double-flowered Chinese narcissus were identified by headspace-solid phase microextraction (HS-SPME) coupled with GC and GC/MS. Changes in aroma during the vase-life (days 0, 1, 2, 3, 4, 5 and 6) of two samples were also studied. A total of 35 compounds were identified, of which all were present in single-flowered and 26 in double-flowered samples. The main aroma components were ( E)-β-ocimene, and benzyl acetate. Single-flowered narcissus have a higher percentage of benzyl acetate, while double-flowered narcissus have a higher percentage of 1,8-cineole. In vase-life, the total volatile component content peaked on day 2 for single-flowered and day 3 for the double-flowered narcissus. For both single-flowered and double-flowered narcissus flowers, the total content of volatile components had decreased significantly by day 4.
Constrain on possible pairing symmetry in a two-orbital model of FeAs-based superconductors
Wen-Long You,Shi-Jian Gu,Guang-Shan Tian,Hai-Qing Lin
Physics , 2008, DOI: 10.1103/PhysRevB.79.014508
Abstract: In this work, we establish a few exact identities through commutation of intra-orbital and inter-orbital on-site pairings with a two-orbital model describing newly discovered FeAs-based superconductors. Applying the conclusion drawn from rigorous relation and physical interpretation, we give constraints on the possible symmetries of the superconducting pairing of the model. Hence the favorable pairings in newly discovered high-temperature oxypnictide superconductors are proposed.
On the ground state and excitations of a four-component fermion model
You-Quan Li,Guan-Shan Tian,Michael Ma,Hai-Qing Lin
Physics , 2004, DOI: 10.1103/PhysRevB.70.233105
Abstract: The properties of the ground state and excitations of a four-component Hubbard-like model are studied by the Lieb-Schultz-Mattis approach. It is proven rigorously that the ground state of the model is nondegenerate and excitations are gapless at all band fillings.
Entanglement and quantum phase transitions
Shi-Jian Gu,Guang-Shan Tian,Hai-Qing Lin
Physics , 2005, DOI: 10.1088/0256-307X/24/10/007
Abstract: We examine several well known quantum spin models and categorize behavior of pairwise entanglement at quantum phase transitions. A unified picture on the connection between the entanglement and quantum phase transition is given.
The ground state entanglement in the $XXZ$ model
Shi-Jian Gu,Guang-Shan Tian,Hai-Qing Lin
Physics , 2004, DOI: 10.1103/PhysRevA.71.052322
Abstract: In this paper, we investigate spin entanglement in the $XXZ$ model defined on a $d$-dimensional bipartite lattice. The concurrence, a measure of the entanglement between two spins, is analyzed. We prove rigorously that the ground state concurrence reaches maximum at the isotropic point. For dimensionality $d \ge 2$, the concurrence develops a cusp at the isotropic point and we attribute it to the existence of magnetic long-range order.
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