|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Wavelet denoising via sparse representation显示文摘Wavelet threshold denoising is a powerful method for suppressing noise in signals and images. However, this method often uses a coordinate-wise processing scheme, which ignores the structural properties in the wavelet coefficients. We propose a new wavelet denoising method using sparse representation which is a powerful mathematical tool recently developed. Instead of thresholding wavelet coefficients individually, we minimize the number of non-zero coefficients under certain conditions. The denoised signal is reconstructed by solving an optimization problem. It is shown that the solution to the optimization problem can be obtained uniquely and the estimates of the denoised wavelet coefficients are unbiased, i.e., the statistical means of the estimates are equal to the noise-free wavelet coefficients. It is also shown that at least a local optimal solution to the denoising problem can be found. Our experiments on test data indicate that this new denoising method is effective and efficient for a wide variety of signals including those with low signal-to-noise ratios. | ZHAO RuiZhen LIU XiaoYu Ching-Chung LI Robert J. SCLABASSI & SUN MinGui | 2009 | Science in China(Series F)2009，52，8： | 26 |
| 2 | Fine mapping of locus S-b for F_1 pollen sterility in rice (Oryza sativa L.)显示文摘Hybrid sterility is the main barrier in util-izing the heterosis of subspecies in rice. A knowledge of the underlying molecular mechanism of the hybrid sterility will be useful for overcoming the barrier. In this research, the F1 pollen sterility locus, S-b, was mapped between SSR markers PSM8 and PSM202. To fine map the locus, one F2 mapping population of 3910 plants was developed using the near-isogenic lines of the locus. Ninety-seven recombinants be-tween two markers were selected. Moreover, a series of markers, including two SSR markers, two InDel markers and four CAPS markers, were developed on the region. Linkage analysis showed that marker W4 was co-segregated with locus S-b, while makers A8 and A14 were located on the two sides of the locus with a distance of 0.026 and 0.038 cM, respectively. The markers were then integrated with the se-quences of the clones of the region. Results showed that all the polymorphic markers were anchored on the three end-to-end jointed clones AC093089, AC079021 and AC134931. According to the physical information of the markers, locus S-b was finally de-limited to a region of 27 kb between A8 and A14. Seven ORFs were identified on the region based on the annotation results of RiceGAAS system. These results laid the foundation for further cloning the gene. | LI Wentao ZENG Ruizhen ZHANG Zemin DING Xiaohua ZHANG Guiquan | 2006 | Chinese Science Bulletin2006，51，6： | 12 |
| 3 | Nuclear reprogramming: the zygotic transcription program is established through an“erase-and-rebuild” strategy显示文摘卵母细胞显示母亲特定的基因表达式侧面,它被换到当染色质的一个单倍体集合被传递到发展成一个胚胎的受精卵时, zygotic 介绍。位于这抄写 reprogramming 下面的机制当前是未知的。等到当抄写在幼芽的泡卵母细胞被关掉时,一般抄写因素和 transcriptional 管理者的一个范围从染色质被分裂,这里,我们表明那。染色质因素(CF ) 的全球分离破坏在染色质和 CF 之间的物理接触并且在功能的水平导致母亲的抄写节目的檫除。与染色质论坛分开的批评抄写因素和管理者遗体延长了时期,并且立即在专业版以后与染色质成为 re-associated 原子形成。Thisis 由象 DNA 和抄写那样的原子功能的重建跟随了速度集合。我们建议母亲的抄写节目在卵子发生期间被擦掉产生相对天真的染色质, zygotic 抄写节目是在授精以后的重建的重新。这个过程作为“ erase-and-rebuild ”被称为过程,它被用来重设抄写节目,和最可能的其它原子过程也,从母亲的到胚胎的。我们进一步在伴随的纸出现(高 T,等,房间物件 2007;17:135-150 .) 一样的策略也被采用到改编 transcriptional,这在体细胞介绍原子转移和单性生殖,建议这当模特儿在早胚胎开始期间对 transcriptional reprogramming 的所有形式普遍适用。从染色质的 CF 的排水量也为抄写沉默的现象提供解释在期间对 zygotic 转变母亲。 | Feng Sun Haiyan Fang Ruizhen Li Tianlong Gao Junke Zheng Xuejin Chen Wenqin Ying Hui Z Sheng | 2007 | Cell Research2007，17，2： | 5 |
| 4 | Combination of Human Fas (CD95/Apo-1) Ligand with Adriamycin Significantly Enhances the Efficacy of Antitumor Response显示文摘hepatocellular 癌(HCC ) 的预后是差的,甚至与药品切除术和辅助 chemoradiotherapy 的联合治疗。解决这个问题,许多生物学的治疗被调查了。船边交货 ligand (FasL, CD95L ) 主要在激活的 T 淋巴细胞和生来的杀手(NK ) 房间被表示,并且在调停房间的免疫和有免疫力的 downregulation 起一个中央作用。几研究证明了 FasL 在 HCC 被表示。在现在的报告,我们准备了 recombinant 人 pET-22b (+)/FasL 蛋白质并且在一个鼠科的 HCC 肿瘤模型在 vitro 并且在肿瘤生长上在 HCC 房间上调查了 FasL 的效果。著名细胞毒素的化学疗法的试剂 adriamycin (ADM ) 用作控制。我们发现 FasL 有效地压制了 H22 肿瘤房间的生存能力并且显著地导致了 H22 房间的 apoptosis。与 FasL-ADM 对待的细胞的 apoptotic 层次比独自与 FasL 或 ADM 对待的那些显著地高,并且 FasL-ADM 联合导致了一非常在这个模型的肿瘤生长延期上的添加剂效果。结果建议 FasL 和另外的化学疗法的代理人的那个联合处理可以是一条新途径为 HCC 改进化疗的功效。 | Zhongchen Liu Ruizhen Liu Jinhua Qiu Ping Yin Fanghong Luo Jinhua Su Wenzhu Li Caixia Chen Xin Fan Jiakai Zhang Guohong Zhuang | 2009 | Cellular & Molecular Immunology2009，6，3： | 4 |
| 5 | Derivation of Putative Porcine Embryonic Germ Cells and Analysis of Their Multi-Lineage Differentiation Potential显示文摘Embryonic germ(EG)cells are cultured pluripotent stem cells derived from the primordial germ cells(PGCs)that migrate from the dorsal mesentery of the hindgut to the developing genital ridge.In this study,the morphology of the porcine genital ridge was assessed in embryos harvested on days 22-30 of pregnancy.PGCs from embryos at these stages were cultured to obtain porcine EG cell lines,and EG-like cells were derived from PGCs from embryos harvested on days 24-28 of pregnancy.The EG-like cells expressed Oct4,Sox2,Nanog,SSEA-3,SSEA-4 and alkaline phosphatase(AP).These cells were able to form embryoid bodies(EBs)in suspension culture and differentiate into cells representative of the three germ layers as verified by a-fetoprotein(AFP),a-smooth muscle actin(a-SMA),and Nestin expression.Spontaneous differentiation from the porcine EG-like cells of delayed passage in vitro showed that they could differentiate into epithelial-like cells,mesenchymal-like cells and neuron-like cells.In vitro directed differentiation generated osteocytes,adipocytes and a variety of neural lineage cells,as demonstrated by alizarin red staining,oil red O staining,and immunofluorescence for neuronal classⅢb-tubulin(Tuj1),glial fibrillary protein(GFAP)and galactosylceramidase(GALC),respectively.These results indicate that porcine EG-like cells have the potential for multi-lineage differentiation and are useful for basic porcine stem cell research. | Yimei Cong Jing Ma Ruizhen Sun Jianyu Wang Binghua Xue Jiaqiang Wang Bingteng Xie Juan Wang Kui Hu Zhonghua Liu | 2013 | Journal of Genetics and Genomics2013，40，9： | 4 |
| 6 | AN IMPROVED SPARSITY ADAPTIVE MATCHING PURSUIT ALGORITHM FOR COMPRESSIVE SENSING BASED ON REGULARIZED BACKTRACKING显示文摘Sparsity Adaptive Matching Pursuit (SAMP) algorithm is a widely used reconstruction algorithm for compressive sensing in the case that the sparsity is unknown. In order to match the sparsity more accurately, we presented an improved SAMP algorithm based on Regularized Backtracking (SAMP-RB). By adapting a regularized backtracking step to SAMP algorithm in each iteration stage, the proposed algorithm can flexibly remove the inappropriate atoms. The experimental results show that SAMP-RB reconstruction algorithm greatly improves SAMP algorithm both in reconstruction quality and computational time. It has better reconstruction efficiency than most of the available matching pursuit algorithms. | Zhao Ruizhen Ren Xiaoxin Han Xuelian Hu Shaohai | 2012 | Journal of Electronics(China)2012，29，6： | 3 |
| 7 | Detection of Thermophysical Properties for High Strength Concrete after Exposure to High Temperature显示文摘Using the detection principle of infrared thermal imaging technique and the detection principle of DRH thermal conductivity tester laboratory,we investigated the infrared thermal image inspection,coefficient of thermal conductivity,apparent density,and compressive strength test on C80 high-strength concrete(HSC) in the presence and absence of polypropylene fibers under completely heated conditions.Only slight damages were detected below 400 ℃,whereas more and more severe deterioration events were expected when the temperature was above 500 ℃.The results show that the elevated temperature through infrared images generally exhibits an upward trend with increasing temperature,while the coefficient of thermal conductivity and apparent density decrease gradually.Additionally,the addition of polypropylene fibers with appropriate length,diameter,and quantity contributes to the improvement of the high-temperature resistance of HSC. | 杜红秀 WU Jia LIU Gaili WU Huiping YAN Ruizhen | 2017 | Journal of Wuhan University of Technology(Materials Science)2017，32，1： | 3 |
| 8 | An Asynchronous Adaptive Priority Round-Robin Arbiter Based on Four-Phase Dual-rail Protocol显示文摘An asynchronous Adaptive priority roundrobin arbiter(APRA) based on four-phase dual-rail protocol is proposed. Combining the advantages of synchronous and asynchronous circuits, it provides the required bandwidth allocation on basis of arbitration fairness and works in synchronous So C. In the Nonidling and nonpreemptive(NINP) model, simulations and verifications are made. The results show that the speed of the proposed arbiter is improved by 18%–50.4% and the dynamic and static power is reduced by 8.4%–46.2% and 81.8%–90.9% respectively compared with the commonly-used Fixed priority(FP),Round-Robin(RR) and Lottery arbiters. The proposed arbiter is better in output bandwidth allocation and it also has advantages in speed and power. Furthermore, it is easy in reconfiguration, strong in practicability and low in complexity of system integration and suits various extreme communication traffics. | YANG Yintang WU Ruizhen ZHANG Li ZHOU Duan | 2015 | Chinese Journal of Electronics2015，24，1： | 3 |
| 9 | Effect of REs(Y,Nd)addition on high temperature oxidation kinetics,oxide layer characteristic and activation energy of AZ80 alloy显示文摘The oxidation behaviors of AZ80,AZ8O-0.32 Y and AZ8O-0.38 Nd(wt.%)alloys were researched at 413℃,420℃,427v and 433℃for up to 6 h in air environment via a high precision analytical balance,a laser confocal microscope,differential scanning calorimeter(DSC)analysis,X-ray diffraction(XRD)analysis,scanning electron microscope(SEM)observation,and X-ray photoelectron spectroscopy(XPS)analysis.The results show that the weight gain and oxidation rate of AZ80 are reduced significantly,the initiation form and propagation of cracks in oxide layer are changed.Compact and protective oxide layer forms on alloy surface with Y or Nd addition.And the activation energies of AZ80,AZ80-0.32Y and AZ8O-0.38Nd alloys calculated via Arrhenius equation are 82.556 kJ/mol,177.148kJ/mol and 136.738 kJ/mol,respectively. | Chunlong Cheng Xiaoqiang Li Qichi Le Ruizhen Guo Qing Lan Jianzhong Cui | 2020 | Journal of Magnesium and Alloys2020，8，4： | 3 |
| 10 | CT Image-based Analysis on the Defect of Polypropylene Fiber Reinforced High-Strength Concrete at High Temperatures显示文摘With the application of X-ray computed tomography(CT) technology of C80 high-strength concrete with polypropylene fiber at elevated temperatures, the microscopic damage evolution process observation and image building could be obtained, based on the statistics theory and numerical analysis of the combination of concrete internal defects extension and evolution regularity of microscopic structure. The expermental results show that the defect rate has changed at different temperatures and can determine the concrete degradation threshold temperatures. Also, data analysis can help to establish the evolution equation between the defect rate and the effect of temperature damage, and identify that the addition of polypropylene fibers in the high strength concrete at high temperature can improve cracking resistance. | 杜红秀 JIANG Yu LIU Gaili YAN Ruizhen | 2017 | Journal of Wuhan University of Technology(Materials Science)2017，32，4： | 2 |
| 11 | Ecdysteroids in the pupae of Opogona sacchari (Bojer), a new invasive alien pest显示文摘In order to understand the composition and quantitative variation of ecdysteriods in the pu- pae of Opogona sacchari (Bojer), a new invasive alien pest, we analyzed the pupal ecdysteroid com- position and titers in this pest. The main component of ecdysteriods in the pupae of O. sacchari is 20-hydroxyecdysone. The titre of ecdysteriods in both male pupae and female pupae get higher gradually, and then decreased slowly after reaching a peak (80 ng/pupa). The titre of ecdysteriods was about 30 ng/pupa in the later stage of pupae. The peak of male pupae appeared on the third day, but the peak of female pupae lasted from the second day to the fourth day during pupal developments. The ecdysteroid content was higher in female pupae than in male pupae during specific pupal time (the 1st, 2nd, 4th, 5th, 6th day). We also found that the titre of ec- dysteroids in posterior part of pupae was higher than in anterior part of pupae obviously. | WANG Fanghai ZHANG Guren WEN Ruizhen HE Guofeng | 2006 | Chinese Science Bulletin2006，51，11： | 2 |
| 12 | A composite of Ni-Fe-Zn layered double hydroxides/biochar for atrazine removal from aqueous solution显示文摘This study assembled corn stalk-derived biochar(BC)with layered double hydroxide(LDH)through a rapid coprecipitation of biochar and metal(Ni/Fe/Zn)hydroxide precipitates.A BC and LDH composite(BC-LDH)and modified BC-LDH material after heating(BC-LDH-P)were prepared successfully for atrazine adsorptive removal.The physicochemical properties of the synthesized samples were analyzed by X-ray diffraction(XRD),scanning electron microscopy(SEM),Fourier transform infrared(FT-IR),and X-ray photoelectron spectroscopy(XPS).Batch experiments were conducted to study the sorption of atrazine onto BC,BC-LDH,and BC-LDH-P from the aqueous solution.The adsorption of atrazine onto BC-LDH and BC-LDH-P were performed following with the pseudo-second-order kinetic model,and the sorption isotherms agreed well with the Freundlich fitting model.The adsorption amounts of the three materials are arranged in descending order is as follows:BC-LDH-P>BC-LDH>BC(143.15>123.10>95.93 mg g−1,respectively).Due to the high crystallinity of the LDH material and the high binding degree with biochar,Ni/Fe/Zn-LDH biochar composites offer a potential alternative to a carbon-based adsorbent for atrazine removal from aqueous solution. | Yifan Wang Jiaming Kang Simeng Jiang Hui Li Zheyi Ren Qinbo Xu Qun Jiang Wenzhu Liu Ruizhen Li Ying Zhang | 2020 | Biochar2020，2，4： | 2 |
| 13 | Conditions of glacier development and some glacial features in the West Kunlun Mountains 显示文摘 | Zhang Wenjing An Ruizhen Yang Huaian | 1989 | Bulletin of Glacier Research1989，6，： | 1 |
| 14 | An SVD-based Watermarking Scheme for Protecting Rightful Ownership显示文摘 | Liu Ruizhen Tan Tieniu | 2002 | IEEE Transactions on Multimedia2002，4，1： | 1 |
| 15 | An SVI>Based Watermarking Scheme for Protecting Rightful Ownership显示文摘 | Liu Ruizhen Tan Teiniu | 2002 | IEEE Transactions on Multimedia2002，4，1： | 1 |
| 16 | RGD-FasL Induces Apoptosis in Hepatocellular Carcinoma显示文摘尽管有在动物模型获得的出色的结果,船边交货 ligand (FasL ) 的临床的使用被严重毒性作为 anticancer 药限制。死亡 ligands 的全身的毒性可以被使用编码膜界限死亡 ligands 的基因阻止,由指向的 transgene,通过也的表示指向了 transduction 或指向了抄写。肿瘤房间死亡的选择正式就职是有希望的 anticancer 策略。熔化蛋白质被熔化船边交货 ligand (FasL ) 的细胞外的领域到有选择地在肿瘤 endothelial 房间上指向 av3-integrins 的肽 arginine-glycine-aspartic 酸(RGD ) 创造。这研究的目的是在鼠科的 hepatocellular 癌(HCC ) 在肿瘤生长和幸存上评估 RGD-FasL 的效果肿瘤模型。有与 FasL 作为与那相比在 HCC 肿瘤模型上显示明显的镇压效果的 RGD-FasL 的处理(p < 0.05 ) 并且在这个模型在肿瘤生长延期上导致了更多的添加剂效果。RGD-FasL 处理显著地提高了老鼠幸存并且没引起有毒的效果,例如重量损失,机关失败,或另外的处理相关的毒性。Apoptosis 被流动 cytometric 分析和 TUNEL 试金检测;那些结果也证明 RGD-FasL 比 FasL 是为 H22 和 H9101 房间线的房间 apoptosis 的更多的有势力 inducer (p < 0.05 ) 。在结论, RGD-FasL 看起来是肿瘤房间死亡的低毒性的选择 inducer,它在现出症状之前的潜、临床的研究应得进一步的调查。而且,这条途径与治疗学的 recombinant 蛋白质为 complexing 目标 ligands 提供一种万用的技术。为了在 vivo,肿瘤和肝区分 FasL 的反肿瘤效果,纸巾被收获由染色的 Hematoxylin 和曙红(H&E ) 为坏死的房间,肿瘤房间,或 apoptotic 房间的证据检验。 | Zhongchen Liu Juan Wang Ping Yin Jinhua Qiu Ruizhen Liu Wenzhu Li Xin Fan Xiaofeng Cheng Caixia Chen Jiakai Zhang Guohong Zhuang | 2009 | Cellular & Molecular Immunology2009，6，4： | 1 |
| 17 | On the approximation of differentiable functions by Vallée-Poussin sums of T-F series显示文摘 | Liu Ruizhen | 1989 | Approximation Theory and its Applications1989，，2： | 1 |
| 18 | Detention of HPV L1 capsid protein and hTERC gene in screening of cervical cancer显示文摘 | Bin H Ruifang W Ruizhen L | 2013 | Iranian Journal of Basic Medical Sciences2013，16，6： | 1 |
| 19 | Fine Mapping of QTLs for Stigma Exsertion Rate from Oryza glaberrima by Chromosome Segment Substitution显示文摘Stigma exsertion is an important trait for outcrossing ability in rice.Stigma exsertion rate(SER)of male sterile lines(MSLs)is a key factor affecting F1-seed production in hybrid rice.In this study,seven QTLs for SER were detected on five chromosomes using a set of single-segment substitution lines(SSSLs)derived from O.glaberrima.Three of the QTLs were mapped in the estimated intervals of 92.5–333.0 kb.qSER-5 was located in a substitution segment of 92.5 kb.qS ER-1 b and qS ER-8 b were respectively limited to 333.0 kb and 107.5 kb by secondary substitution mapping.qSER-1 b and qSER-3 had bigger additive effects of 11.5%and 11.9%,respectively,while the other five QTLs had smaller additive effects from 5.7%to 8.6%.Open reading frames were identified in the regions of qS ER-5 and qSER-8 b in O.sativa and O.glaberrima genomes.Fine mapping of the QTLs laid a foundation for the cloning of genes,and QTLs for SER will be used to develop MSLs with strong ability of outcrossing. | TAN Quanya ZHU Haitao LIU Hui NI Yuerong WU Shengze LUAN Xin LIU Junwei YANG Weifeng YANG Zifeng ZENG Ruizhen LIU Guifu WANG Shaokui ZHANG Guiquan | 2022 | Rice science2022，29，1： | 1 |
| 20 | Ecdysteroids in the adults and eggs of Opogona sacchari (Bojer),an invasive alien pest显示文摘In order to understand the composition and quantitative variation of ecdysteriods in the adults and eggs of Opogona sacchari (Bojer), an invasive alien pest, we analyzed the ecdysteroid composition and titers in the adult and egg of this pest. On day 4 after eclosion, the titer of ecdysteriods in the male adult was 0.080 ng/adult, much lower than 5.978 ng/adult in the female adult. During the development of ovaries, the titer of ecdysteriods was low on the first two days, and high in the late period, with the peak (10.48 ng/ovary) appearing on day 3. During the development of eggs, the titer of ecdysteriods was about 0.010 ng/egg from day 1 to day 3, and then decreased to 0.006 ng/egg on day 4. In both adults and eggs, three main components of ecdysteriods were found by identification of HPLC/RIA. They were 20-hydroxyecdysone, 26-hydroxyecdysone, and an unidentified component. | WANG FangHai, ZHANG GuRen, WEN RuiZhen & HE GuoFeng State Key Laboratory for Biological Control and Institute of Entomology, Sun Yat-sen University, Guangzhou 510275, China | 2008 | Science China(Life Sciences)2008，51，2： | 1 |
您所在的机构暂未开通此部分的功能，请联系管理员