2) focused ultrasound near field
聚焦超声近场
1.
To compare the proteome difference between endothelial cells with focused ultrasound near field irradiation and those without and to study the biological effects of focused ultrasound near field,SDS-PAGE was performed to separate proteins from endothelial cells with irradiation of focused ultrasound near field and those without.
比较聚焦超声近场辐照内皮细胞前后蛋白质的差异,可为聚焦超声近场所致生物学效应提供依据。
2.
Based on the effects of focused ultrasound near field with vulvar white lesion clincal treatment parameters on relative survial ratio of endothial cells in vitro,combined with proteomics method was performed in the biology effect study to identified proteins which were participated in.
外阴白色病变治疗所用的聚焦超声近场复杂、远场简单,而且近场声强起伏不均,这也提示聚焦超声对组织所产生的生物学效应相对比较复杂。
3) focused Gaussian ultrasound field
Gauss聚焦超声场
4) Focused ultrasound
聚焦超声
1.
Focused ultrasound treatment of brain diseases;
聚焦超声在脑部疾病治疗中的运用
2.
A clinical study of application of coupling medium in focused ultrasound therapy for chronic cevicitis;
耦合剂应用于聚焦超声治疗慢性宫颈炎的疗效
3.
Evaluation of curative effects of focused ultrasound treatment for nonneoplastic epithelial disorders of vulva;
聚焦超声治疗外阴上皮内非瘤样病变疗效评价
5) high intensity focused ultrasound
聚焦超声
1.
Quality control of the purified and degassed water apparatus in high intensity focused ultrasound treatment system;
JC型聚焦超声肿瘤治疗系统介质水处理的质量控制
2.
Objective:To investigate the efficacy and reliability of high intensity focused ultrasound treatment on chronic cervicitis.
目的探讨聚焦超声用于治疗宫颈慢性的有效性及安全性。
3.
Purpose To investigate the efficacy and reliability of high intensity focused ultrasound treatment on chronic cervicitis.
目的 探讨高能聚焦超声治疗宫颈糜烂的有效性及安全性。
6) ultrasonic focusing
超声聚焦
1.
A piezoelectric ultrasonic focusing system is developed for microjetting biological microarrays.
研制了一种用于制作生物微阵列的超声聚焦微喷系统。
补充资料：超声场测定方法
超声场测定方法
measurement methods for ultrasonic field
超声场测定方法的肋川c 6eld)(~u块”犯nt右刀又与书2。姗th叼sfor日-t的空间。不同的超声振动源以及不同的传播条件将形成不同的超声能量的分布空间，即不同的超声场。根据惠更斯原理，探头发射面上的每一点都应看成是一点状声源，它们各自发射的球面子波在声场中相遇时将发生干涉，结果使声场内声压或声强变化剧烈，起伏不均，甚至在某些空间点上声压为零，而另外一些空间部位的声压则呈极大值。远场呈现出放射状，并逐渐过渡到球面波。 声场测量方法如下:首先安装好被测超声探头和水听器，定位装里可使水听器沿3个正交轴在水槽声压┌─────┬─┬─┐├丝──┐ │…│{ ││_八 │ │ │ │└┬──┼─┼─┴─┘ │.、 │. │ │ │\ │ └──┴─┘ 声脉冲幅度测t原理图内移动，并可绕:、y轴转动。利用定位装里调节水听器，在被测探头的辐射声场中找到声压最大值，其声脉冲波形如图所示。该信号经放大后输人到信号处理设备，求出脉冲声压平方积分P;和脉冲宽度‘d。t‘为瞬时声压平方对时间积分值达到其终值(即P。)之1崛的时刻t0:，‘与达到该终值之以跳时刻气，，.之间的时间间隔的1.25倍。参见超声声强可求得: 尸，__P偏“两和‘，“砂式中:I，为空间峰值脉冲平均声强，I，为空间峰值时间平均声强，p为介质密度，。为声速，T为声脉冲重复周期。(熊大莲)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条