نتایج جستجو برای: مساله فروشنده دوره گرد tsp
تعداد نتایج: 96338 فیلتر نتایج به سال:
Background. Transseptal puncture (TSP) can be challenging. We compared safety and efficacy of a modified TSP technique ("mosquito" technique, MOSQ-TSP) to conventional TSP (CONV-TSP). Method. Patients undergoing AF ablation in whom first attempt of TSP did not result in left atrial (LA) pressure (failure to cross, FTC) were randomized to MOSQ-TSP (i.e., puncture of the fossa via a wafer-thin in...
از جمله اهداف بازاریابی، تبدیل مصرف کننده به مشتری وفادار بوده و در این راستا تعامل و ارتباط فروشنده با مشتری از اهمیت ویژه ای برخوردار می باشد. هدف این پژوهش، شناسایی عوامل سازنده فرهنگ بازار،فرهنگ فروشنده، رفتار فروشنده و محیط و چگونگی تاثیر این عوامل بر ایجاد وفاداری مشتریان در کافی شاپ های شهر تهران است. این پژوهش پیمایشی با مشارکت تعداد 25 کافی شاپ و 400 نفر مشتریان آنها انجام گردید. یافته...
OBJECTIVE To investigate the role of thrombospondin 1 (TSP-1) in RA. METHODS Expression of TSP-1 in synovial tissues was determined by immunohistochemistry. Expression of TSP-1 in rheumatoid fibroblast-like synovial cells (FLS) was investigated by quantitative real-time PCR and ELISA. Correlations among the plasma TSP-1 and other variables in patients with RA were examined. RESULTS Expressi...
since particulate matter (total suspended particles and particulate matter with median aerodynamic diameter less than 10 µm) is one of the important pollutants in the ambient air of tehran, the capital of iran, organic substances, inorganic substances and lead levels in tsp and pm10, correlation between tsp and pm10 concentrations, ratio among the two fractions and relation between tsp and pm10...
This paper introduces a new notion related to the traveling salesperson problem (TSP) — the notion of the TSP ratio. The TSP ratio of a TSP instance I is the sum of the marginal values of the nodes of I divided by the length of the optimal TSP tour on I, where the marginal value of a node i ∈ I is the difference between the length of the optimal tour on I and the length of the optimal tour on I...
The ability of thrombospondin (TSP), an extracellular matrix glycoprotein, and two proteolytic fragments to support adhesion and neurite outgrowth from embryonic dorsal root ganglia, spinal cord neurons, and PC12 cells was examined. Anti-TSP antibodies or a synthetic peptide (GRGDS) containing an RGD cell-binding region was also added to cells plated on TSP. TSP and its 140 kd fragment were mor...
Previous reports have established that line 1, a spontaneous BALB/c lung carcinoma, expresses a Mr 180,000 tumor-associated surface antigen (TSP-180). In this study, using a monoclonal antibody and flow cytometry to quantify cell surface TSP-180 expression, we found that essentially all cells in a tissue culture-adapted line 1 population express TSP-180, but that the amount of TSP-180 expressed...
A precipitating factor in the development of atherosclerotic lesions is the inappropriate migration and proliferation of vascular smooth muscle cells (SMC) within the intima of the vessel wall. Focusing on the role of extracellular matrix proteins in SMC migration, we have demonstrated that thrombospondin (TSP) itself is a potent modulator of SMC motility and acts to potentiate platelet-derived...
Thrombospondin (TSP), isolated from human platelets, promotes aggregation of both nonstimulated platelets and platelets stimulated with thrombin or ADP. The TSP-promoted aggregation is specific since a monoclonal antibody against TSP inhibits the effect of exogenously added TSP and inhibits thrombin-induced platelet aggregation in the absence of added TSP. Several lines of evidence suggest that...
OBJECTIVE We examined whether plasma levels of angiogenic factors are altered in plasma of patients with peripheral arterial disease (PAD) and whether these factors affect endothelial progenitor cell-induced angiogenesis. METHODS AND RESULTS Plasma was collected from 184 patients with PAD and 330 age-matched healthy controls. Vascular endothelial growth factor and placental growth factor conc...
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