نتایج جستجو برای: controled release
تعداد نتایج: 214677 فیلتر نتایج به سال:
background loss of motion is a well-known complication after elbow trauma and in severe cases, arthrolysis of elbow is the procedure of choice. the posterior approach might have some advantages especially in post-traumatic patients who have undergone the same surgical approach in the past. objectives the aim of this study was to evaluate the short-term outcomes of elbow arthrolysis through post...
In the present study, Thermo-Reactive Deposition method (TRD) in a molten bath was used to form niobium carbide coating on AISI L2 steel. The coating was formed in five different composition of borax (Na2B4O7), boric acid (B2O3), and ferro-niobium. For all of the five compositions of molten bath, niobium carbide coating treatment was carried out at 1173 K, 1273 K, and 1373 K for 2, 4 and 8 hour...
In This research work we discussed about Networked control systems (NCS) for controlling flow rate of two nonintrecting tank processes using ANN controller. Basically NCS are used for distributed computing and control systems with sensors, actuators and controllers that communicate over a shared medium. The distributed nature of NCS and issues related to the shared communication medium pose sig...
The paper describes a new method and system, designed for application to upper extremity prosthesis. Artificial limb with our new system is robot arm controlled by EMG signals and monitored and corrected by set of ultrasonic sensors. The control system used to control robotic arms measured EMG signals from muscles and the signal from the ultrasonic sensors detect obstacles in the robot's motion...
We formulate the problem of the late accretion phase of the evolution of an isothermal magnetic disk surrounding a forming star. The evolution is described by the six-fluid MHD equations, accounting for the presence of neutrals, atomic & molecular ions, electrons, and neutral, positively and negatively charged grains. Only the electron fluid is assumed to be attached to the magnetic field, in o...
controlled release swellable tablets of phenobarbital were prepared by a simple direct compression process using hydroxypropyl methylcellulose (hpmc) as the matrix former. the effects of the viscosity grades of hpmc and hpmc/lactose ratio and ethylcellulose (ec)/sodium carboxymethylcellulose (nacmc) and their concentrations on the release behavior of phenobarbital from hpmc matrices were invest...
nowadays, air pollution is a global problem that has had significant growth by technology development, population growth andindustrial development. industrial development brought natural resources deterioration, more manufacturing products, and more environmental pollutants. if pollutant won’t be controlled, human-being and wildlife will face the critical risks. significant release and critical...
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