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Search Results: 1 - 10 of 62119 matches for " Shui Yu "
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Study on HIF-1α Gene Translation in Psoriatic Epidermis with the Topical Treatment of Capsaicin Ointment
Chun-shui Yu
ISRN Pharmaceutics , 2011, DOI: 10.5402/2011/821874
Thermogravimetric analysis of fuel film evaporation
Zongjie Hu,Liguang Li,Shui Yu
Chinese Science Bulletin , 2006, DOI: 10.1007/s11434-006-2091-3
Abstract: Thermogravimetric analysis (TGA) was compared with the petrochemical distillation measurement method to better understand the characteristics of fuel film evaporation at different wall temperatures. The film evaporation characteristics of 90# gasoline, 93# gasoline and 0# diesel with different initial thicknesses were investigated at different environmental fluxes and heating rates. The influences of heating rate, film thickness and environmental flux on fuel film evaporation for these fuels were found. The results showed that the environmental conditions in TGA were similar to those for fuel films in the internal combustion engines, so data from TGA were suitable for the analysis of fuel film evaporation. TGA could simulate the key influencing factors for fuel film evaporation and could investigate the basic quantificational effect of heating rate and film thickness. To get a rapid and sufficient fuel film evaporation, sufficiently high wall temperature is necessary. Evaporation time decreases at a high heating rate and thin film thickness, and intense gas flow is important to promoting fuel film evaporation. Data from TGA at a heating rate of 100°C/min are fit to analyze the diesel film evaporation during cold-start and warming-up. Due to the tense molecular interactions, the evaporation sequence could not be strictly divided according to the boiling points of each component for multicomponent dissolved mixture during the quick evaporation process, and the heavier components could vaporize before reaching their boiling points. The 0# diesel film would fully evaporate when the wall temperature is beyond 250°C.
Chinese herbal medicine for patients with mild to moderate Alzheimer disease based on syndrome differentiation: a randomized controlled trial
Lu Yu,Shui-miao Lin
Zhong Xi Yi Jie He Xue Bao , 2012,
Abstract: BACKGROUND: Alzheimer disease (AD) is a chronic neurodegenerative disease that is characterized by its gradual progression. At present, the cause and mechanism of AD are yet unclear, and there is no effective therapy for treating it. With development of global aging, the prevalence rate of AD is increasing. The life quality of elderly people is affected severely by AD that is ultimately life-threatening. Recently, study on treating AD with traditional Chinese medicine (TCM) has deepened.OBJECTIVE: To explore the therapeutic effects of a syndrome differentiation-based TCM regime in treating patients with mild to moderate AD for improving cognition, and to evaluate the changes in brain function of AD patients observed by resting-state functional magnetic resonance imaging (fMRI) technique.DESIGN, SETTING, PARTICIPANTS AND INTERVENTIONS: Adopting the internationally recognized criteria developed by National Institute of Neurological and Communicative Diseases and Stroke/Alzheimer’s Disease and Related Disorders Association, the clinical trial was conducted on 131 patients with mild to moderate AD from 5 communities and 7 social welfare institutions. Participants were accepted after informed consent was received, and laboratory tests and a head imaging study were conducted. The patients were randomly divided into Chinese medicine group (CMG) (66 cases) or Western medicine group (WMG) (65 cases). Patients in the CMG were treated monthly with Chinese medicine according to syndrome differentiation. Patients in the WMG were treated with donepezil at a dose of 5 mg once daily. The therapeutic course lasted 48 weeks.MAIN OUTCOME MEASURES: The scores of Mini-Mental State Examination (MMSE), Fuld Object-Memory Evaluation (FOM), Block Design (BD) and Digit Span (DS) were used to evaluate the cognitive function; resting-state fMRI was used for observing brain function. The questionnaires and fMRI were performed before and after treatments.RESULTS: The cognitive functions of the patients in the CMG and WMG were improved after treatment. MMSE score was improved significantly in both groups (P<0.05 or P<0.001). After 48 weeks of treatment, 70.91% patients in the CMG had an improved MMSE score and 20% got worse, however, 55.77% patients in the WMG were improved in MMSE score and 34.62% got worse. Scores of FOM denominator and BD increased significantly in both groups; scores of FOM numerator and DS were also increased in the CMG (P<0.05 or P<0.01). The results of fMRI suggested that both Chinese medicine and donepezil treatment improved the connectivity between posterior
A Class of Infinite Dimensional Diffusion Processes with Connection to Population Genetics
Shui Feng,Feng-Yu Wang
Mathematics , 2007,
Abstract: Starting from a sequence of independent Wright-Fisher diffusion processes on $[0,1]$, we construct a class of reversible infinite dimensional diffusion processes on $\DD_\infty:= \{{\bf x}\in [0,1]^\N: \sum_{i\ge 1} x_i=1\}$ with GEM distribution as the reversible measure. Log-Sobolev inequalities are established for these diffusions, which lead to the exponential convergence to the corresponding reversible measures in the entropy. Extensions are made to a class of measure-valued processes over an abstract space $S$. This provides a reasonable alternative to the Fleming-Viot process which does not satisfy the log-Sobolev inequality when $S$ is infinite as observed by W. Stannat \cite{S}.
Harnack Inequality and Applications for Infinite-Dimensional GEM Processes
Shui Feng,Feng-Yu Wang
Mathematics , 2014,
Abstract: The dimension-free Harnack inequality and uniform heat kernel upper/lower bounds are derived for a class of infinite-dimensional GEM processes, which was introduced in \cite{FW} to simulate the two-parameter GEM distributions. In particular, the associated Dirichlet form satisfies the super log-Sobolev inequality which strengthens the log-Sobolev inequality derived in \cite{FW}. To prove the main results, explicit Harnack inequality and super Poincar\'e inequality are established for the one-dimensional Wright-Fisher diffusion processes. The main tool of the study is the coupling by change of measures.
A new species of Begonia (Begoniaceae) from SE Yunnan, China

SHUI Yu-Min,

中国科学院研究生院学报 , 2002,
Variational Approach for the Bose--Hubbard Model

YU De-Shui,CHEN Jing-Biao,

中国物理快报 , 2008,
Abstract: The phase diagram of the one-dimensional Bose--Hubbard model describing interacting bosons in optical lattice is investigated with the variational approach. This method can also be generalized to the two-dimensional case.
Effects of oxymatrine injection combined with low-dose paclitaxel on mRNA and protein expressions of vascular endothelial growth factor and CXC chemokine receptor 4 in human gastric carcinoma SGC-7901 cells
Yu-ren Zhang,Jin-shui Zhu
Zhong Xi Yi Jie He Xue Bao , 2010,
Abstract: Objective: To investigate the effects of oxymatrine injection (OI) combined with low-dose paclitaxel on expressions of mRNAs and proteins of vascular endothelial growth factor (VEGF) and CXC chemokine receptor 4 (CXCR4) in human gastric carcinoma SGC-7901 cells.Methods: Methyl thiazolyl tetrazolium assay was used to examine the effects of OI combined with low-dose paclitaxel on proliferation of SGC-7901 cells. Real-time reverse transcription-polymerase chain reaction, immunofluorescence and enzyme-linked immunosorbent assay were employed to measure the expressions of VEGF and CXCR4 mRNAs and proteins in gastric carcinoma SGC-7901 cells respectively.Results: Except that 20 μg/mL paclitaxel had no influence on expression of VEGF mRNA in SGC-7901 cells (P>0.05), 40 μg/mL OI or low-dose paclitaxel (20 μg/mL) inhibited the proliferation of SGC-7901 cells and reduced the expressions of VEGF and CXCR4 mRNAs and proteins in SGC-7901 cells (P<0.01). The expressions of VEGF and CXCR4 mRNAs and proteins in the OI plus low-dose paclitaxel group were markedly lower than those in the low-dose paclitaxel group (P<0.01).Conclusion: OI combined with low-dose paclitaxel can inhibit VEGF and CXCR4 of gastric carcinoma SGC-7901 cells markedly, which may be one of its mechanisms of anti-angiogenic ability.
Comparative Effectiveness of Adjuvant Chemotherapy in Elderly Colon Cancer Patients
Sacha Satram-Hoang,Luen Lee,Shui Yu,Faiyaz Momin
Cancer and Clinical Oncology , 2012, DOI: 10.5539/cco.v2n1p115
Abstract: Introduction: We assessed whether older patients experience the same treatment benefits from adjuvant chemotherapy in a real-world setting as younger patients in clinical trials. Methods: This retrospective cohort analysis used the linked Surveillance, Epidemiology, and End Results (SEER)-Medicare database. The analysis included 3,390 patients, >65 years, diagnosed with stage II or III colon cancer between January 1, 2004, and December 31, 2007. Patients were enrolled in Medicare Parts A and B, and had undergone adjuvant treatment with fluorouracil plus leucovorin (5-FU/LV; n=1,368), 5-FU/LV plus oxaliplatin (FOLFOX; n=1,398), capecitabine (CAP; n=507), or CAP plus oxaliplatin (CAPOX; n=117) within 3 months of surgery. Differences in patient demographics and disease characteristics by treatment were assessed by chi-square test and ANOVA or t-test. Cox proportional hazards regression and propensity score-weighted analyses were used to measure the relative risk of death associated with each treatment. Results: Median time from surgical resection to initiation of treatment was similar across cohorts (44-48 days). Mean treatment duration was longer for 5-FU/LV (149 days) and FOLFOX (144 days) than CAP (121 days) and CAPOX (111 days); p<.0001. In the propensity score-adjusted survival models, patients treated with FOLFOX (HR=0.70; 95%CI=0.55-0.90) and CAPOX (HR=0.44; 95%CI=0.20-0.98) had a significantly lower risk of death than 5FU/LV, while risk of death was similar between CAP and 5-FU/LV. Conclusions: Elderly patients with colon cancer have similar benefits from adjuvant chemotherapies in real-world settings as demonstrated in younger patients in clinical trial settings.
Describing a Quantum Channel by State Tomography of a Single Probe State
Chang-shui Yu,He-shan Song
Physics , 2009, DOI: 10.1209/0295-5075/86/40007
Abstract: A general law is presented for (composite) quantum systems which directly describes the time evolution of quantum states (with one or both components) through an arbitrary noisy quantum channel. It is shown that the time evolution of all quantum states through a quantum channel can be completely captured by the evolution of a single 'probe state'. Thus in order to grasp the information of the final output states subject to a quantum channel, especially an unknown one, it only requires quantum state tomography of a single probe state, which dramatically simplifies the practical operations in experiment.
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