1) Gray-scale ultrasonography
灰阶超声检查
2) grey scale
灰阶
1.
Methods: To employ an electrothermal drier as a heat source and measure density of grey scale in film with a densitometer.
方法:使用电热干燥箱作热源,用密度计测量胶片上各级灰阶的密度。
3) Harmonic Gray-scale
灰阶谐波
1.
Phase Study of Hepatic Hemangioma with Harmonic Gray-scale Contrast-enhanced Uhrasonography;
肝血管瘤灰阶谐波超声造影时相研究
2.
Objective To evaluate the enhanced patterns of primary liver cancers at harmonic gray-scale contrast-enhanced ultrasonography with contrast agent SonoVue.
目的应用新一代超声造影剂和实时灰阶谐波成像技术探讨肝癌超声造影的增强模式。
4) Grey-scale ultrasound
灰阶超声
1.
Grey-scale ultrasound was applied to observe the features of placen.
方法对孕周在7～12周的40例早期难免流产和40例要求终止妊娠的正常早孕应用灰阶超声显像观察胎盘超声表现及绒毛间隙的移动点状回声,利用彩色能量多普勒超声成像评价胎盘组织内的血流循环特征。
5) gray degree
灰阶度
6) gray level
灰阶数
1.
Reading rates of normally sighted subjects were assessed and compared with the effects of window width,the number of gray levels,and phosphene refresh rate in the vision system.
通过仿真实验评估了窗口宽度、光幻视灰阶数以及光幻视刷新率3种因素对阅读工效的影响。
参考词条
补充资料：超声波产科检查适应证
超声波产科检查适应证
产科范围超声波检查的适应证：①早期妊娠：肯定妊娠，子宫内还是子宫外，胚胎发育有无异常，此外，是否多胎，有无盆腔肿物等；②中期妊娠：肯定胎龄，胎儿存活，发育有无异常。胎盘定位，多胎妊娠，有无盆腔肿物，宫颈功能不全等；③晚期妊娠：胎儿存活，胎儿大小，有无畸形，羊水过多或过少，胎盘成熟度，胎盘定位，前置胎盘，胎盘早期剥离，胎盘异常，脐带异常，脐带绕颈，确定胎位，产科介入性超声：羊水穿刺等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。