نتایج جستجو برای: waterabsorption and thickness swelling
تعداد نتایج: 16840832 فیلتر نتایج به سال:
THE importance of the role played by changes in the thickness of the cornea in the induction of corneal vascularization has recently become increasingly recognized (Cogan, 1948; Ashton, Cook, and Langham, 1951; Langham, 1952, 1953; Ashton and Cook, 1953). However the relationship between the swelling and increase in opacity of the cornea to the rate and progress of vascularization of the cornea...
the target of this study was to investigate the possibility of mdf productionfrom eucalyptus camaldulensis wood. mdf fibers were produced applying threelevels of steaming time. laboratory mdf boards were produced using thegenerated fibers and different pressing temperature and time. physical andmechanical properties of mdf panels were measured using relevant eu testmethods and were statisticall...
Due to the fact that many application processes take place at different temperature, better examining and understanding of swelling properties as a function of temperature is essential for such application. The temperature effect on the swelling properties of commercial polyacrylic acid (PAA) hydrogel beads was investigated as a function of time and temperature. Gel bead size, swelling equilibr...
Due to the fact that many application processes take place at different temperature, better examining and understanding of swelling properties as a function of temperature is essential for such application. The temperature effect on the swelling properties of commercial polyacrylic acid (PAA) hydrogel beads was investigated as a function of time and temperature. Gel bead size, swelling equilibr...
Background: Recurrent abortion is defined as three or more consecutive pregnancy losses. We aimed to determine the relationship between male sperm parameters and hypo-osmotic swelling score and recurrent abortion. We also studied whether washing of spermatozoa and intrauterine insemination in patients with recurrent miscarriage and low score hypo-osmotic swelling test in male partners could imp...
BACKGROUND Purpura fulminans and bilateral perinatal testicular torsion are rare and may co-exist. CASE CHARACTERISTICS A 3-day-old neonate with bilateral swelling of scrotum; torsion and gangrenous changes were observed on exploration. INTERVENTIONS Left orchidectomy with preservation of right testis was done. OUTCOME At 2-month follow-up, right testis showed signs of atrophy. Child deve...
Swelling is commonly observed in austenitic stainless steels irradiated at high doses and temperatures, such as fuel claddings Fast-Breeder Reactors (FBR), a consequence of the formation irradiation-induced nanovoids. Macroscopic embrittlement has been reported above critical swelling level. Several physical explanations have proposed void-related fracture mechanisms phase transformation associ...
Bilayerd films were prepared by solvent casting technique using different concentration of two polymers namely, sodium alginate and pectin. The backing membrane was prepared by using sodium alginate. The drug containing layer was prepared by using pectin. Different concentrations of plasticizers and permeation enhancers were added. Prepared films were evaluated for surface properties, weight va...
A mucoadhesive drug delivery system for local delivery of metronidazole through vaginal route was formulated. Films were prepared by solvent evaporation method using various compositions of Carbopol, hydroxypropylmethylcellulose, chitosan, Polyox and propylene glycol. The films were evaluated for their weight, thickness, surface pH, folding endurance, mechanical, drug content uniformity, in vit...
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