نتایج جستجو برای: concentration ratios
تعداد نتایج: 495462 فیلتر نتایج به سال:
poinsettia (euphorbia pulcherrima) is a potted plant, which its colorful bracts appear in short days. in thisexperiment, effect of different ammonium to total nitrogen ratios on quantitative and qualitative traits ofpoinsettia was studied. the experiment was conducted as a complete randomized design with threereplicates. the plants were irrigated with water containing of different ammonium to t...
Achieving sufficient concentrations of antituberculosis (TB) drugs in pulmonary tissue at the optimum time is still a challenge in developing therapeutic regimens for TB. A physiologically based pharmacokinetic model incorporating a multicompartment permeability-limited lung model was developed and used to simulate plasma and pulmonary concentrations of seven drugs. Passive permeability of drug...
two separate experiments were carried out with the aim of investigating the effect of vermicompost and its aqueous extracts on traits related to germination and growth of tomato varieties, (mobil and superorbina). in the first experiment, 0.5, 1, 1.5, 2, 2.5, 5, 7.5, 10 and 100% extracts of vermicompost (v - v) along with control (distilled water) were studied on germination of two varieties of...
The clinical pharmacokinetics and in vitro inhibition of digoxin were examined to predict the P-glycoprotein (P-gp) component of drug-drug interactions. Coadministered drugs (co-meds) in clinical trials (N = 123) resulted in a small, <or=100% increase in digoxin pharmacokinetics. Digoxin is likely to show the highest perturbation, via inhibition of P-gp, because of the absence of metabolic clea...
Lisinopril dihydrate (angiotensin converting enzyme inhibitor) is a lysine derivative of enalaprilat and does not require hydrolysis to exert pharmacological activity. It has an extensive hepatic first pass metabolism resulting in a bioavailabil-ity of 6-60%. To overcome the poor bioavailability of the drug, transdermal patches have been prepared. The present study also aims at optimizati...
The diurnal pattern of the vertical distribution of biogenic pollen in the lower troposphere was investigated by LIDAR. Meteorological data were taken at the ground. Pollen concentrations were measured at the surface using a Burkard 7-day-recording volumetric spore sampler. Aerosol extinction coefficients and depolarization ratios at 532 nm were obtained from LIDAR measurements in spring (4 May...
OBJECTIVE To use genetic variants as unconfounded proxies of C reactive protein concentration to study its causal role in coronary heart disease. DESIGN Mendelian randomisation meta-analysis of individual participant data from 47 epidemiological studies in 15 countries. PARTICIPANTS 194 418 participants, including 46 557 patients with prevalent or incident coronary heart disease. Informatio...
KTiOPO4(KTP) nanoparticles were synthesized by co-precipitation method using L-Alanine as capping agent. Different mole ratios of L-Alanine used to study on the effect of capping agent concentration on size, structural quality and morphology of KTP nanoparticles. XRD analysis confirmed the formation of orthorhombic phase of obtained KTP nanoparticles. Using L-Alanine as capping agent results in...
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