نتایج جستجو برای: esd
تعداد نتایج: 2519 فیلتر نتایج به سال:
Endoscopic submucosal dissection (ESD) allows endoscopic, curative, en-bloc resection of superficial malignant or premalignant lesions. This procedure was conceived over 10 years ago in Japan, but has not experienced great expansion in Western countries for different reasons. This article reviews ESD indications and outcomes, and reflects on the reasons that prevent ESD from becoming common cli...
Colorectal endoscopic submucosal dissection (ESD) is not yet fully popularized in Korea, but is increasing steadily. The outcomes of colorectal ESD in Korea are comparable to those in Japan and other countries. ESD-related complication rates are decreasing as experiences accumulate. Particularly for rectal laterally spreading tumors, ESD is becoming more prevalent than transanal endoscopic micr...
A 58-year-old man with liver cirrhosis and renal failure was diagnosed with esophageal varices (EVs) and a gastric cardia varix (GCV) by esophagogastroduodenoscopy (EGD). The patient also exhibited early gastric cancer (EGC) in the upper gastric body adjacent to the GCV. The EVs and GCV were treated using endoscopy before endoscopic submucosal dissection (ESD) of the EGC to prevent variceal ble...
A low-leakage 2×VDD-tolerant power-rail electrostatic discharge (ESD) clamp circuit composed of the siliconcontrolled rectifier (SCR) device and new ESD detection circuit, realized with only thin-oxide 1× VDD devices, has been proposed with consideration of gate leakage current. By reducing the voltage across the gate oxides of the devices in the ESD detection circuit, the whole power-rail ESD ...
We propose new methods for the assessment of real electrostatic discharge (ESD) threats to electronic components in modern electronics manufacturing environment, where the devices are more sensitive to ESD than ever. The work was based on two fundamental questions: what are the key parameters of ESD that must be controlled in order to minimise risk of damage, and what are the threshold levels o...
An ultra-low-leakage power-rail ESD clamp circuit, composed of the SCR device and new ESD detection circuit, has been proposed with consideration of gate current to reduce the standby leakage current. By controlling the gate current of the devices in the ESD detection circuit under a specified bias condition, the whole power-rail ESD clamp circuit can achieve an ultra-low standby leakage curren...
China began to promote the project on Education for Environment Population and Sustainable Development (EPD) in 1998 and obtained significant gains. After that, in response to the globalscale implementation of the United Nations Decade of Education for Sustainable Development (DESD), China, on the basis of a local concept interpretation of education for sustainable development (ESD), as well as...
Endoscopic submucosal dissection (ESD) is a widely accepted treatment for early gastric and esophageal cancer. Compared to endoscopic mucosal resection, ESD has the advantage of enabling en bloc removal of tumors regardless of their size. However, ESD can result in a large artificial ulcer, which may lead to a considerable deformity. Circumferential mucosal defects of more than three-fourths th...
Background It is remain a main concern that pediatric chest radiographies contribute to the significant radiation exposure to the thyroid gland as a more susceptible organ to radiation induced cancer. The aim of this study was to evaluate the entrance surface dose (ESD) of pediatric chest radiography compared to the diagnostic reference levels (DRL) and evaluation the efficacy of the lead (Pb)...
background it is remain a main concern that pediatric chest radiographies contribute to the significant radiation exposure to the thyroid gland as a more susceptible organ to radiation induced cancer. the aim of this study was to evaluate the entrance surface dose (esd) of pediatric chest radiography compared to the diagnostic reference levels (drl) and evaluation the efficacy of the lead (pb)...
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