chewed 20 betel quids daily for 25 years, presented with a 3−day history of melena. Esophagogastroduodenoscopy (EGD) dis− closed an ulcerated tumor 3 cm in size in the antrum (l" Fig. 1). Biopsy of the tu− mor revealed acute and chronic inflam− mation. The patient quit chewing betel quids. Because of a strong suspicion of malignancy, EGD was repeated 5 days lat− er. It showed ulcers, from 0.5 t...

Background: Multiple beams are generally used with an increased possibility that the beam axis intersects the treatment table. Treatment tabletops are commonly made of carbon fiber due to its high mechanical strength and rigidity, low specific density, extremely light and low radiation beam attenuation properties. Purpose of this paper is investigated the dose changes in the buildup region and ...

in order to assess the adaptation of elaeagnus angustifolia l. and fraxinus rotundifolia mill afforestation around tabriz international airport, the qualitative and quantitative characteristics of trees were measured in 96 experimental circular plots with a size of 300 m2. to study the edaphic effects of these species, nine samples were randomly collected from 0-10 cm and 10-20 cm depth of soil...

The purpose of this study was to investigate 1) the effect of feet distance on static postural balance and 2) the location of natural feet distance and its possible role in the relationship of feet distance and postural balance. Static balance tests were performed on a force platform for 100 s with six different feet distances (0, 5, 10, 15, 20, 25 cm). Measures of postural balance included mea...

Carbon–carbon bond formation is the core of organic synthesis, in which organometallic reagents play key role forms 1,2-nucleophilic additions, conjugate and transition-metal catalyzed cross-couplings. These reactions have enabled production a wide range molecules our society. Despite enormous power chemical they inherent drawbacks eyes future sustainability. This account summarizes efforts ove...

Enhancement of polarization and related properties in heteroepitaxially constrained thin films of the ferroelectromagnet, BiFeO3, is reported. Structure analysis indicates that the crystal structure of film is monoclinic in contrast to bulk, which is rhombohedral. The films display a room-temperature spontaneous polarization (50 to 60 microcoulombs per square centimeter) almost an order of magn...

Plant spacing ensures uniform and optimum plant population facilitates sufficient natural resources for crop growth which, in turns influences the yield positively. An investigation was conducted at Agronomy Field Laboratory, Bangladesh Agricultural University, during July to December 2017 study influence of on double grained rice cultivar. The comprised five viz. 25 cm × 15 cm, 10 20 two culti...

The effect of a surface open to air on the ensiling process was investigated in 15 × 60 cm PVC silos in four trials, three with alfalfa (30, 41, and 49% dry matter, DM) and one with whole-plant corn (35% DM). Silos were sampled 1, 2, 5, 7, 14, and 28 d post-filling at 5, 20, 35, and 50 cm from the open surface. At 5 cm, little fermentation occurred as oxygen contents were at 10% or higher, and ...

Nacrtak Extracting logs from stump to landings causes extensive damages to forest stand and soil. In this research two parcels adjacent to each other were selected in order to assess the effect of traditional and mechanized methods of logging on regeneration and soil compaction. A skid trail and a mule trail with similar longitudinal slope, skidding direction and total volume of extracted wood ...