As the solidification reaches hot spot area, no molten metal remains and shrinkage is formed. To anticipate shrinkage, a riser added to casting system. An optimal design would produce free components. One of factors that affect efficiency shape. This study aims find most efficient side shape by using simulation software. The tubes, tubes with half sphere on top, hemispheres, conical an oval cro...

Laboratory experiments were conducted to measure microwave scattering on specimens to simulate paddy fields for the purpose of developing microwave scattering model of paddy fields. In the experiment, the specimens were produced into fiber reinforced plastic (FRP) tube with 70 x 60 x 60 cm volume. The specimens contained soils, water layer and paddy. X-band antennas measured the backscatter fro...

The water-cooled heat exchanger is one of the key components in a pulse tube refrigerator. Its heat exchange effectiveness directly influences the cooling performance of the refrigerator. However, effective heat exchange does not always result in a good performance, because excessively reinforced heat exchange can lead to additional flow loss. In this paper, seven different water-cooled heat ex...

For nasal stops and nasalized vowels, one-tube models offer only an inadequate representation. To model the spectral components of nasal speech signals, a minimum of two connected tubes is necessary. Typically, the estimation of branched-tube area functions is based on a pole-zero model. The present paper introduces a variational Bayesian scheme under Gaussian assumptions to estimate the tube a...

OBJECTIVE To assess the role of amitriptyline in the effectiveness of an outpatient protocol for weaning medically complicated children from tube to oral feeding. STUDY DESIGN Twenty-one children seen in multidisciplinary outpatient feeding teams across 4 sites were recruited to a randomized placebo-controlled trial of a 6-month outpatient treatment protocol with behavioral, oral-motor, nutri...

Digital tomosynthesis is a radiographic technique that can produce an arbitrary number of section images of a patient from a single pass of the X-ray tube. It utilizes a conventional X-ray tube, a flat-panel detector, a computer-controlled tube mover, and special reconstruction algorithms to produce section images. While it does not have the depth resolution of computed tomography (CT), tomosyn...

CMV Polymerase Chain Reaction analysis was positive for both serum and bile and a diagnosis of CMV acalculous cholecystitis with haemobilia was established. The patient was treated with intravenous ganciclovir for 25 days followed by 18 days of oral valganciclovir. T-Tube cholangiogram 2 weeks following initial insertion demonstrated no flow out of the common bile duct into the duodenum. A Magn...

An ion mobility/mass spectrometry technique has been developed to record mass-resolved ion mobility distributions for multiple ions simultaneously. The approach involves a new instrument that couples an electrospray ion source to an injected-ion drift tube/time-of-flight mass spectrometer. Individual components in a mixture of ions are separated by mobility differences in a drift tube and subse...

We carry out a molecular dynamics study of nanobearings based on double-walled carbon nanotubes with a short rotating outer tube. A (4, 4)/(9, 9) bearing configuration shows peculiar stabilization of rotational motion at certain values of angular velocities. The observed trend is found at those values of initial angular velocities (in the current context, 0.8-1.5 rad ps(-1)) which denote a tran...

Epithelial tubes are the functional units of many organs, and proper tube geometry is crucial for organ function. Here, we characterize serrano (sano), a novel cytoplasmic protein that is apically enriched in several tube-forming epithelia in Drosophila, including the tracheal system. Loss of sano results in elongated tracheae, whereas Sano overexpression causes shortened tracheae with reduced ...