Results 11 to 20 of about 279,985 (157)
Ultrasound in Obstetrics &Gynecology, Volume 59, Issue 4, Page 437-449, April 2022., 2022 ABSTRACT Objective To develop a standardized sonographic evaluation and reporting system for Cesarean scar pregnancy (CSP) in the first trimester, for use by both general gynecology and expert clinics. Methods A modified Delphi procedure was carried out, in which 28 international experts in obstetric and gynecological ultrasonography were invited to ...
I. P. M. Jordans +18 more
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First‐trimester ultrasound detection of fetal heart anomalies: systematic review and meta‐analysis
Ultrasound in Obstetrics &Gynecology, Volume 59, Issue 1, Page 11-25, January 2022., 2022 ABSTRACT Objectives To determine the diagnostic accuracy of ultrasound at 11–14 weeks' gestation in the detection of fetal cardiac abnormalities and to evaluate factors that impact the detection rate. Methods This was a systematic review of studies evaluating the diagnostic accuracy of ultrasound in the detection of fetal cardiac anomalies at 11–14 ...
J. N. Karim +26 more
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Ultrasound in Obstetrics &Gynecology, Volume 58, Issue 2, Page 293-302, August 2021., 2021 ABSTRACT Objectives Preterm birth (PTB) accounts for two‐thirds of deaths of structurally normal babies and is associated with substantial lifetime healthcare costs. Prevention of PTB remains limited by the modest accuracy of prediction methods, namely transvaginal ultrasound (TVS) cervical length (CL) measurement and quantitative cervicovaginal fetal ...
D. O. C. Anumba +4 more
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Effect of Ultrasonic Treatment on Structure and Antioxidant Activity of Channa argus Short Peptide-Zinc(超声波对乌鳢短肽-锌结构及抗氧化性的影响) [PDF]
Shipin kexue jishu xuebao, 2020 In order to shorten the reaction time and improve the stability of Channa argus short peptide-zinc (CASP-Zn), the ultrasonic technology was employed to analyze the effects of different time (0,5, 10,5, 30,5, 60,5, 90,0min) and different ultrasonic power (
WANG Jingyu(汪婧瑜) +7 more
doaj +1 more source
Design and Research of Production Line of Continuous Cyclic Ultrasonic Extraction(连续循环超声波提取生产线的设计和研究) [PDF]
Shipin kexue jishu xuebao, 2014 The equipment structure and characteristics of ultrasonic extraction circulation were intro-duced based on the advantages and disadvantages of domestic ultrasonic extraction equipment.
LIU Yude(刘玉德) +4 more
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Ultrasound in Obstetrics &Gynecology, Volume 55, Issue 2, Page 264-268, February 2020., 2020 ABSTRACT Objective To investigate how many examinations it takes to be able to identify the pelvic parts of the ureters on transvaginal sonography (TVS). Methods This was a prospective study including consecutive women attending a gynecological outpatient clinic in a tertiary referral setting.
M. K. Aas‐Eng +5 more
wiley +1 more source
Zhongguo youzhi, 2023 为提高茶皂苷的提取率，扩大茶皂苷的应用范围，以脱脂油茶籽饼为原料，采用超声-微波辅助法提取茶皂苷。以油茶皂苷提取率为考察指标，在单因素试验的基础上，采用Plackett-Burman试验设计筛选出具有显著影响的试验因素，再通过响应面法对茶皂苷提取工艺进行优化。另外，将超声-微波辅助法提取茶皂苷的工艺与超声辅助法和微波辅助法提取工艺进行了对比。结果表明：超声-微波辅助法提取茶皂苷的最佳工艺条件为乙醇体积分数59%、料液比1∶ 12、提取液pH 7、超声功率475 W、超声时间4 min、超声工作2 ...
司喜艳，王香玉，皇甫新燕，王琦，赵仁勇SI Xiyan, WANG Xiangyu, HUANGFU Xinyan, WANG Qi, ZHAO Renyong
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Study on Water Evaporation of Ultrasonic Vacuum Freeze Drying Yogurt(超声波强化真空冷冻干燥酸奶中水分蒸发的研究) [PDF]
Shipin kexue jishu xuebao, 2014 In this study, ultrasonic and vacuum freeze drying were combined to dry yogurt. Compared with the vacuum freeze drying, the effects of ultrasonic time, power, and pulse on water evaporation and drying time of yogurt were determined. Meanwhile, the drying
YANG Ju-fang(杨菊芳) +4 more
doaj +1 more source
Developmental Medicine &Child Neurology, Volume 61, Issue 3, Page E1-E35, March 2019., 2019 目的 本国际临床指南由欧洲残疾儿童学会（the European Academy of Childhood Disability，EACD）牵头制定，旨在解决发育性协调障碍（developmental coordination disorder，DCD）的定义、诊断、评估、干预以及与社会心理方面的临床应用关键问题。 方法 本指南针对五个领域的关键问题，通过文献综述和专家团队的正式讨论达成共识。为保证指南的循证基础，以“机制”、“评估”和“干预”为检索词, 对2012年更新以来提出的最新建议以及新增的“社会心理问题”和“青少年/成人”为检索词进行检索。根据牛津大学循证医学中心证据等级 (证据水平 [level of evidence, LOE]1–4) 将结果进行分类，最终转化为指南建议。并由国际 ...
Jing Hua +6 more
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Journal of Healthcare Engineering, Volume 2018, Issue 1, 2018., 2018 A terminology (or coding system) is a formal set of controlled vocabulary in a specific domain. With a well‐defined terminology, each concept in the target domain is assigned with a unique code, which can be identified and processed across different medical systems in an unambiguous way.
Yinsheng Zhang +2 more
wiley +1 more source