نتایج جستجو برای: sonic

تعداد نتایج: 8950  

In recent years there has been a great deal of attention paid by researchers in investigating ionic liquids (ILs) mainly due to the tremendous potential that ionic liquids have in reaction and separation technology. Sonic speed is an important thermodynamic property of ionic liquids (ILs) and always chosen as a source to determine other properties. A database for the sonic speed of pure ILs cre...

Journal: :physical chemistry research 2015
mohammad hasan vakili ehsan sanjari zahra jali

in recent years there has been a great deal of attention paid by researchers in investigating ionic liquids (ils) mainly due to the tremendous potential that ionic liquids have in reaction and separation technology. sonic speed is an important thermodynamic property of ionic liquids (ils) and always chosen as a source to determine other properties. a database for the sonic speed of pure ils cre...

Journal: :Japanese journal of clinical oncology 2012
Ju-Yeon Kim Gyung Hyuck Ko Young-Joon Lee Woo-Song Ha Sang-Kyung Choi Eun-Jung Jung Chi-Young Jeong Young-Tae Ju Sang-Ho Jeong Soon-Chan Hong

OBJECTIVE Sonic hedgehog is produced in gastric epithelial cells and plays a crucial role in parietal cell function and the regulation of gastric epithelial cell differentiation. Emerging evidence suggests that the sonic hedgehog pathway is not only involved in the development of cancers but also in their progression and aggressiveness. METHODS To assess its prognostic value in gastric cancer...

2006
Atsushi Onuki Yasushige Ohmori Hiroaki Somiya

The red piranha, Pygocentrus nattereri, produces sounds by rapid contractions of a pair of extrinsic sonic muscles. The detailed innervation pattern of the sonic muscle of the red piranha was investigated. The sonic muscle is innervated by branches (sonic branches) of the third (S3so), fourth (S4so), and fifth (S5so) spinal nerves. The average total number of nerve fibers contained in the right...

Journal: :Radiology 2006
Wilson M Chang Nikhil B Amesur Roberta L Klatzky Albert B Zajko George D Stetten

PURPOSE To prospectively evaluate whether ultrasonography (US)-guided vascular access can be learned and performed faster with the sonic flashlight than with conventional US and to demonstrate sonic flashlight-guided vascular access in a cadaver. MATERIALS AND METHODS Institutional review board approval and oral and written informed consent were obtained. The sonic flashlight replaces the sta...

2001
HEPING LIU THOMAS FOKEN

Many new types of sonic anemometer obtain sonic temperature from an average value of temperature measured along three paths, unlike previous sonic anemometers that generally used one path. New equations are derived to calculate temperature variance from sonic temperature variance and sensible heat flux from buoyancy flux considering the influence of a crosswind. These equations can be applied t...

2012
C. S. Eschenazi C. F. B. Palmeira

Local 1-shock curve arcs and local reverse 2-shock curve arcs were constructed, in the geometric context of the wave manifold, in a previous paper. In that geometric context, sonic and sonic’ surfaces are the boundaries of admissible shock curve arcs; in order to introduce the concept of non-local 1-shock curve arcs and non-local reverse 2shock curve arcs it is necessary to understand how a hug...

Journal: :Developmental dynamics : an official publication of the American Association of Anatomists 1996
S A Ting-Berreth C M Chuong

Sonic hedgehog is involved in vertebrate tissue interactions during development. During early feather development, Sonic hedgehog appears very early in epithelial placodes. During late feather development, Sonic hedgehog expression precedes the development of the marginal plates and is specifically localized in the marginal plate epithelium, which will later undergo cell death. By using retrovi...

2011
Antti Jylhä

While the majority of studies in sonic interaction design (SID) focuses on sound as the output modality of an interactive system, the broad scope of SID includes also the use of sound as an input modality. Sonic gestures can be defined as sound-producing actions generated by a human in order to convey information. Their use as input in computational systems has been studied in several isolated ...

Journal: :Mechanisms of Development 2003
Kimiko Fukuda Takashi Kameda Kanako Saitoh Hideo Iba Sadao Yasugi

During the development of the proventriculus (glandular stomach) of the chicken embryo, the endodermal epithelium invades into the surrounding mesenchyme and forms glands. The glandular epithelial cells produce pepsinogen, while the non-glandular (luminal) epithelial cells secrete mucus. Sonic hedgehog is expressed uniformly in the proventricular epithelium before gland formation, but its expre...

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