نتایج جستجو برای: propeller

تعداد نتایج: 3766  

2015
Jan Stefan Bauer Peter Benjamin Noël Christiane Vollhardt Daniela Much Saliha Degirmenci Stefanie Brunner Ernst Josef Rummeny Hans Hauner

PURPOSE MR might be well suited to obtain reproducible and accurate measures of fat tissues in infants. This study evaluates MR-measurements of adipose tissue in young infants in vitro and in vivo. MATERIAL AND METHODS MR images of ten phantoms simulating subcutaneous fat of an infant's torso were obtained using a 1.5T MR scanner with and without simulated breathing. Scans consisted of a cart...

Journal: :Human molecular genetics 2014
Bisei Ohkawara Macarena Cabrera-Serrano Tomohiko Nakata Margherita Milone Nobuyuki Asai Kenyu Ito Mikako Ito Akio Masuda Yasutomo Ito Andrew G Engel Kinji Ohno

Congenital myasthenic syndromes (CMS) are heterogeneous disorders in which the safety margin of neuromuscular transmission is compromised by one or more specific mechanisms. Using Sanger and exome sequencing in a CMS patient, we identified two heteroallelic mutations, p.Glu1233Lys and p.Arg1277His, in LRP4 coding for the postsynaptic low-density lipoprotein receptor-related protein 4. LRP4, exp...

2007
DANA D. BURFEIND GREGORY W. STUNZ

—An increasing boating population has led to extensive propeller scarring in many shallow seagrass meadows, and research has focused on relating scarring to nekton abundance; however, little information exists on the impacts on habitat functionality. In this study we moved beyond simple measures of faunal density as an indicator of habitat quality by comparing the growth rates of common estuari...

2016
Tetsuji Uemura Hidekata Watanabe Kazuyuki Masumoto Mamoru Kikuchi Yoshiyasu Satake Tetsu Yanai Yoshimi Harada Yasuhiro Ishihara Masato Yasuta

BACKGROUND The aim of this study was to review the results of a cohort of patients based on our experience with a new technique for total lower eyelid reconstruction after a large defect caused by malignant tumor and trauma. A scapha cartilage graft with small skin on a vascularized propeller flap was used for 16 cases requiring lower eyelid reconstruction. METHODS Patients were identified fr...

1998
R V E Lovelace M M Romanova G S Bisnovatyi-Kogan

A model is developed for magnetic 'propeller'-driven outflows which cause a rapidly rotating magnetized star accreting from a disk to spin-down. Energy and angular momentum lost by the star goes into expelling most of the accreting disk matter. The theory gives an expression for the effective Alfvén radius R A (where the inflowing matter is effectively stopped) which depends on the mass accreti...

Journal: :IOP conference series 2023

Abstract Singing is one of the problems that occurs in propeller. However, singing will not happen to every a lot high-speed propellers and on with wide thin blade sizes. One ships have high speed propeller fast patrol boat. To overcome this problem, modifying trailing edge most commonly used methods. Sharpening way reduce vortex shedding. change shape propeller, which can affect performance Th...

Journal: :JOURNAL OF THE MARINE ENGINEERING SOCIETY IN JAPAN 1985

ژورنال: مهندسی دریا 2023

Prediction of a ship’s trajectory during a maneuvering motion is so important. In this study, the acceleration maneuver for a twin-screw vessel is directly investigated using computational fluid dynamic (CFD) environment and unsteady RANS (Reynolds Averaged Navier-Stokes) solver. For this purpose, the self-propulsion and acceleration simulations with hull and propeller interaction for the well-...

Journal: :Journal of Zosen Kiokai 1939

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