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Search Results: 1 - 10 of 106974 matches for " Song-Lin Yang "
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Computer Model for Automobile Climate Control System Simulation and Application
Oner Arici,Song-Lin Yang,Daniel Huang,Emin Oker
International Journal of Thermodynamics , 1999, DOI: 10.5541/ijot.14
Abstract: A software to simulate the dynamic operation of climate control system for a generic automobile has been developed. The transient nature of passenger cabin temperature and relative humidity are predicted using the principles of thermodynamics. Analysis include detailed simulations of every component of the automobile air conditioning network. The methodology is validated by comparing the simulation results with the experimental results.
MHC polymorphism and disease resistance to vibrio anguillarum in 8 families of half-smooth tongue sole (Cynoglossus semilaevis)
Min Du, Song-lin Chen, Yan-hong Liu, Yang Liu, Jing-feng Yang
BMC Genetics , 2011, DOI: 10.1186/1471-2156-12-78
Abstract: We examined the genetic variation in MHC class IIB in half-smooth tongue sole (Cynoglossus semilaevis) after challenge with vibrio anguillarum. Two thousand and four hundred fry from 12 half-smooth tongue sole families were challenged with Vibrio anguillarum. To determine any association between alleles and resistance or susceptibility to V. anguillarum, 160 individuals from four high-resistance (HR, < 40.55% mortality) families and four low-resistance (LR, > 73.27% mortality) families were selected for MHC IIB exon2 gene sequence analysis. The MHC IIB exon2 genes of tongue sole displayed a high level of polymorphism and were discovered at least four loci. Meanwhile, the dN/dS [the ratio of non-synonymous (dN) substitutions to synonymous (dS) substitutions] in the peptide-binding region (PBR) was higher than that in the non-peptide-binding region (non-PBR). Eighty-eight alleles were discovered among 160 individuals, and 13 out of 88 alleles were used to analyze the distribution pattern between the resistant and susceptible families. Certain alleles presented in HR and LR with a different frequency, while other alleles were discovered in only the HR or LR families, not both. Five alleles, Cyse-DBB*6501, Cyse-DBB*4002, Cyse-DBB*6102, Cyse-DBB*5601 and Cyse-DBB*2801, were found to be associated with susceptibility to V. anguillarum with a frequency of 1.25%, 1.25%, 1.25%, 1.25% and 2.5% in the HR families, and 35%, 33.75%, 27.5%, 16.25%, 15% in the LR families (p < 0.01, 0.01, 0.01, 0.01, 0.01), respectively. Four alleles, Cyse-DBB*3301, Cyse-DBB*4701, Cyse-DBB*6801 and Cyse-DBB*5901, were found to be associated with resistance to V. anguillarum, with a frequency of 13.75%, 11.25%, 11.25%, 8.75% in the HR families and 1.25%, 1.25%, 1.25%, 1.25% and 1.25% in the LR families (p < 0.01, 0.05, 0.05 and p = 0.064), respectively.Elucidation of the role of MHC II B genes in half-smooth tongue sole should prove to be helpful to the in-depth development of marker-assisted selec
Electronic states of InAs/GaAs tyre-shape quantum ring

Wang Chuan-Dao,Yang Fu-Hua,Feng Song-Lin,

中国物理 B , 2008,
Abstract: In the framework of the effective mass theory, this paper calculates the electron energy levels of an InAs/GaAs tyre-shape quantum ring (TSQR) by using the plane wave basis. The results show that the electron energy levels are sensitively dependent on the TSQR's section thickness $d$, and insensitively dependent on TSQR's section inner radius $R_1$ and TSQR's inner radius $R_2$. The model and results provide useful information for the design and fabrication of InAs/GaAs TSQRs.
DETERMINATION OF CAPTURE BARRIERS OF DEFECTS FOR GaAs ALLOYS AND TRANSIENT PHOTO-RESISTIVITY SPECTROSCOPY

WANG HAI-LONG,FENG SONG-LIN,ZHOU JIE,YANG XI-ZHEN,

中国物理 B , 1996,
Abstract:
Establishment and Characterization of a Testicular Cell Line from the Half-Smooth Tongue Sole, Cynoglossus semilaevis
Bo Zhang, Xianli Wang, Zhenxia Sha, Changgeng Yang, Shanshan Liu, Na Wang, Song-Lin Chen
International Journal of Biological Sciences , 2011,
Abstract: Spermatogenesis within the adult testis is an excellent system for studying stem cell renewal and differentiation, which is under the control of testicular somatic cells. In order to understanding spermatogenesis in the half-smooth tongue sole (Cynoglossus semilaevis) as a marine fish model of aquaculture importance, we established a cell line called CSGC from a juvenile gonad of this organism. CSGC is composed of fibroblast-like cells, retains a diploid karyotype of 42 chromosomes, lacks the heterogametic W chromosome, lacks a female specific marker and expresses the dmrt, a marker for testicular somatic cells. Therefore, CSGC appears to consist of testicular somatic cell cells. We show that this cell line is effective for infection by the turbot reddish body iridovirus and flounder lymphocystis disease virus as evidenced by the appearance of cytopathic effect and virus propagation in the virus-infected cells, and most convincingly, the observation of viral particles by electon microscopy, demonstrateing that CSGC is suitable to study interactions between virus and host cells. As a first fish testicular somatic cell line of the ZZ-ZW genetic sex determination system, CSGC will be a useful tool to study sex-related events and interactions between somatic cells and germ cells during spermatogenesis.
The swap operation in the two-qubit Heisenberg XXZ model-effects of anisotropy and magnetic field
Yue Zhou,Guo-Feng Zhang,Fu-Hua Yang,Song-Lin Feng
Physics , 2008, DOI: 10.1103/PhysRevA.75.062304
Abstract: In this paper we study the swap operation in a two-qubit anisotropic XXZ model in the presence of an inhomogeneous magnetic field. We establish the range of anisotropic parameter within which the swap operation is feasible. The swap errors caused by the inhomogeneous field are evaluated.
Integrated traditional Chinese and Western medicine in treating 31 cases of myasthenia gravis
Song-lin CHEN
Zhong Xi Yi Jie He Xue Bao , 2008,
Abstract:
Extraction of the Main Ingredients from Chuanxiong by CO2 Supercritical Fluid Extraction  [PDF]
Ru Yan, Song-Lin Li, Ge Lin
American Journal of Analytical Chemistry (AJAC) , 2012, DOI: 10.4236/ajac.2012.312A120
Abstract:

As one of the most frequently used medicinal herbs in China, Chuanxiong Rhizoma (Chuanxiong) is notable for its beneficial effects in alleviation of cardio- and cerebro- vascular disorders. Results from previous phytochemical, pharmacological and pharmacokinetic studies supported the contributions of 10 main components, namely ferulic acid (3), senkyunolide I (4), senkyunolide H (5), senkyunolide A (6), coniferylferulate (7), Z-ligustilide (8), sedanolide (9), 3-butylidenephthalide (10), riligustilide (11) and levistolide A (12), for therapeutic outcomes of the herb. To prepare a Chuanxiong extract, which is selectively enriched with these main components, the supercritical fluid extraction (SCFE) technique using CO2 was chosen in the present study due to its superiority in extraction of lipophilic components, especially thermo-labile components from natural products. Eight Chuanxiong samples were extracted under different SCFE conditions. Contents of 3 - 12 in SCFE extracts and remained in herbal residues were determined using HPLC-UV and compared with those in 95% ethanol extracts of the respective herbal samples. The results showed that contents of 3 - 12 were generally enriched by SCFE with higher recoveries achieved for lipophilic constituents, including the three most abundant constituents 6, 7 and 8. Moreover, extraction yield of the less lipophilic 3, 4 and 5 was improved by adding ethanol as entrainer. Higher flow rate of CO2 (10 - 13 L/h vs 9 -

Polymorphism and Balancing Selection of MHC Class II DAB Gene in 7 Selective Flounder (Paralichthys olivaceus) Families
Min Du,Song-lin Chen,You Liang,Lei Wang,Feng-tao Gao,Yang Liu,Xiao-Lin Liao
Evidence-Based Complementary and Alternative Medicine , 2011, DOI: 10.1155/2011/613629
Abstract: In order to determine the genetic variation of the MHC class IIB exon2 allele in the offspring, 700 fry from seven families of Japanese flounder challenged with V. anguillarum were studied, and different mortality rates were found in those families. Five to ten surviving and dead fry from each of the seven families were selected to study the MHC class II B exon2 gene with PCR and a direct sequencing method. One hundred and sixteen different exon2 sequences were found and 116 different alleles were identified, while a minimum of four loci were revealed in the MHC class II B exon2 gene. The ratio ( / ) of nonsynonymous substitution ( ) to synonymous substitutions ( ) in the peptide-binding region (PBR) of the MHC class IIB gene was 6.234, which indicated that balancing selection is acting on the MHC class IIB genes. The MHC IIB alleles were thus being passed on to their progeny. Some alleles were significantly more frequent in surviving than dead individuals. All together our data suggested that the alleles Paol-DAB*4301, Paol-DAB*4601, Paol-DAB*4302, Paol-DAB*3803, and Paol-DAB*4101 were associated with resistance to V. anguillarum in flounder. 1. Introduction Genes of the major histocompatibility complex (MHC) are characterized by extremely high levels of polymorphism in cell surface glycoprotein class I and II molecules. They play a primary role in both innate and adaptive immunity by presenting self- and foreign peptides to T cells (CD4+ T cells or CD8+ T cells) [1] in vertebrate organisms, and subsequently initiate a specific immune response [2]. Unlike the case in mammals, MHC class I and class II regions in teleost fish are situated on different linkage groups and therefore do not form a complex [3–5]. MHC genes in fish have received considerable attention since the first teleost fish MHC gene fragments were isolated from carp (Cyprinus carpio L.) by Hashimoto et al. [6]. MHC class I and class II both contain a peptide-binding region (PBR). The exon2 sequence of the MHC class II B gene is known to cover the majority of the polymorphism and has been considered a candidate molecular marker for an association between these alleles and resistance/susceptibility to various diseases [7]. There are reports of polymorphism of exon2 of MHC class II B gene in a number of vertebrates, including mammals [8, 9], reptiles [10, 11], amphibians [12], and fish [13–15]. It is believed that balancing selection maintains this large variation, which includes frequency-dependent selection, over dominant selection, and positive selection across habitats, but the exact
Coherent Tunnelling in Coupled Quantum Wells under a Uniform Magnetic Field
GONG Jian,YANG Fu-Hua,FENG Song-Lin,
宫箭
,杨富华,封松林

中国物理快报 , 2007,
Abstract: Coherent tunnelling is studied in the framework of the effective mass approximation for an asymmetric coupled quantum well. The Hartree potential due to the electron-electron interaction is considered in our calculation. The effects of the longitudinal and transverse magnetic field on coherent tunnelling characteristics are discussed. It has been found that the external field plays an important role in modulating the electron states.
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