نتایج جستجو برای: tension parameter
تعداد نتایج: 272370 فیلتر نتایج به سال:
Observational constraints on one-parameter dynamical dark-energy parametrizations and the H0 tension
This paper investigates how expansion and compression of the surface of a drop containing an organic compound, 1-octanol, affect surface tension. The experiments were performed in a closed chamber where the effect of 1-octanol concentrations in both liquid and gas phases on the surface could be studied. The concentration of 1-octanol varied from 0.2 mM to 2.92 mM (about 70% of it’s water solubi...
The weakly nonlinear in-plane free vibrations of a single suspended cable, or a coupled system of suspended cables, may be classified as gravity modes (no tension variations to leading order) and elasto-gravity modes (tension and vertical displacement equally important). The gravity mode (probably the most common type of vibration of relatively inelastic spans) does not exist for particular val...
هدف: این مطالعه به منظور مقایسه اثر درمانی والپروات سدیم با نورتریپتیلین در بیماران مراجعه کننده به بیمارستان بوعلی با علائم سردرد کششی (tension) در سال 1388-1389 انجام شده است. روش مطالعه: این مطالعه به صورت یک بررسی مداخله ای (interventional) و در قالب یک کارآزمایی بالینی تصادفی (randomized clinical trial) انجام شده است. حجم نمونه مورد بررسی شامل 80 نفر از بیماران مبتلا به سردرد tension مراج...
Among fitted-operator methods for solving one-dimensional singular perturbation problems one of the most accurate is the collocation by linear combinations of {1, x, exp (±px)}, known as tension spline collocation. There exist well established results for determining the ‘tension parameter’ p, as well as special collocation points, that provide higher order local and global convergence rates. H...
In ([19, 20]), Tryggvason and Aref use a boundary integral method and the vortex-in-cell method to evolve the interface between two fluids in a Hele-Shaw cell. The method gives excellent results for intermediate values of the nondimensional surface tension parameter. The results are different from the predicted results of McLean and Saffman for small surface tension. For large surface tension, ...
many procedures suggest for reduction of responses of riser to vortex induced vibrations (viv). natural frequencies of marine risers is an important parameter that can affect the responses of riser to viv. change of riser properties such as top tension and bending stiffness can alter natural frequencies. in this study effects of riser specifications on the responses and fatigue damage of marine...
Cloud formation characteristics of the watersoluble organic fraction (WSOC) of secondary organic aerosol (SOA) formed from the ozonolysis of alkene hydrocarbons (terpinolene, 1-methlycycloheptene and cycloheptene) are studied. Based on size-resolved measurements of CCN activity (of the pure and salted WSOC samples) we estimate the average molar volume and surface tension depression associated w...
Apparent tissue surface tension allows the quantification of cell-cell cohesion and was reported to be a powerful indicator for the cellular rearrangements that take place during embryonic development or for cancer progression. The measurement is realized with a parallel compression plate tensiometer using the capillary laws. Although it was introduced more than a decade ago, it is based on var...
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