1) Doppler
[英]['dɔplə] [美]['dɑplɚ]
多谱勒
1.
Respiratory frequency inspecting system of ultrasonic Doppler;
超声多谱勒呼吸频率检测系统的研究
2.
The Research of the Blood Stream Dynamics by Transcortical Doppler for Migraine Diapause
经颅多谱勒对偏头痛患者间歇期的血液动力学检测研究
3.
After the rats were induced diabetes with stroptozotocin, the circulatory parameters of the central retinal artery ( CRA ) were measured using color Doppler imaging, including peak systolic velocity ( PSV) , end diastolic velocity ( EDV) , mean velocity (MV) , resistive index (RI) , and pulsitive index (PI).
用链脲佐菌素(STZ)诱导糖尿病模型后,在第12-13周采用彩色多谱勒对各组视网膜中央动脉(CRA)进行血流参数的测量,包括峰值血流速度(PSV)、舒张期最低流速(EDV)、平均血流速度(MV)、阻力指数(RI)和搏动指数(PI)。
2) Doppler spectrum
多普勒谱
1.
Multiple target distinguishing technique based on Doppler spectrum;
基于多普勒谱的多目标鉴别技术
2.
Then ,with the introduction of the conceptions of lowpass-spectrum width and bandpass-spectrum width,Doppler spectrum features are in- vestigated for three typical micro-motion targets.
首先建立了转动线形目标和进动锥形目标的回波模型,分析了三种典型微动目标的多普勒谱,引入低通谱宽和带通谱宽的概念,推导了机动点目标低通谱宽以及转动线形目标带通谱宽表达式,对进动锥形目标的低通谱宽进行了数值分析,给出了基于多普勒谱的微动参数估计方法,最后进行了仿真,证明了理论分析的正确性。
3.
According to Barrick s forst-order and second-order sea echo radar cross section equations of HF radar,combined with ocean wave spectrum and the equal-frequence contour line,the narrow-beam sea echo doppler spectrum was simulated.
根据Barrick导出的海面回波的一阶和二阶高频雷达截面方程,结合海浪能量谱,利用等频线方程,模拟出窄波束高频雷达的海面回波多普勒谱,并对模拟结果进行了分析。
3) Doppler spectra
多普勒谱
1.
Study on the electromagnetic scattering and Doppler spectra from two-scale time-varying fractal rough sea surface;
双尺度动态分形粗糙海面的电磁散射及多普勒谱研究
2.
Based on the 2-D ocean-like surface of linear model and the first-order small slope approximation,the characteristic of Doppler shift for different order Doppler spectra of scattered echoes is investigated and the formula of Doppler shift is derived.
基于二维线性海面模型及粗糙面电磁散射的一阶小斜率近似公式,研究了海面回波各阶多普勒谱的频移特性,得到了多普勒谱频移所对应的理论公式,与经典多普勒频移公式相比考虑到了风速、大尺度波浪轨道运动等因素对多普勒谱频移的影响;同时根据粗糙面的双尺度模型,基于多普勒谱频移的物理机理,给出了求解散射场多普勒谱展宽的理论公式。
4) micro-Doppler
微多谱勒
1.
Noncontact detection utilize the phase modification of the detection echo to analysis micro-Doppler information in order to realize target detection and parameters estimation, which is widely used in rescue service, antiterrorists enforcements, and remote medicine, etc.
生命体等摄动目标以一定频率、较小幅度振动,其回波具有微多谱勒特征。
5) pulsed wave Doppler
频谱多普勒
1.
Methods Color Doppler flow image(CDFI) combined with pulsed wave Doppler(PW) was used to define the course of vertebral artery and determine the parameters of blood flow for comparative study between two groups: patient group(30 patients with stenotic vertebral artery's inner diameter <2.
8 mm的狭窄患者30例作为病例组,另选健康自愿者30例作为对照组,分别进行彩色多普勒(CDFI)及频谱多普勒(PW)血流显像检查,观察椎动脉走向,测其内径、峰值流速(Vmax)、阻力指数(RI)。
6) Color Doppler imaging
彩色多谱勒
1.
MethodsColor Doppler imaging(CDI)was used to quantitate peak systolic velocity(PSV),end diastolic velocity(EDV)and resistance index(RI)of internal carotid artery(ICA),ophthalmic artery(OA)and central re.
方法使用彩色多谱勒血流成像技术检测34例非对称性DR患者双侧颈内动脉、眼动脉(OA)及视网膜中央动脉(CRA)的收缩期峰值血流速度(PSV)、舒张末期血流速度(EDV)和阻力指数(RI)。
2.
OBJECTIVE To investigate the change of ocular hemodynamics with color doppler imaging(CDI)in patients with primary closed-angle glaucoma who treated with sodim ferulate after trabeculectomy.
目的应用彩色多谱勒成像(CDI)技术,观测原发性闭角性青光眼小梁切除术后眼压正常者使用阿魏酸钠治疗后血流动力学的变化。
3.
Objective To investigate the change of ocular he modynamics in patients with chronic glaucoma who received GBE after trabeculect o my with color doppler imaging (CDI).
目的 应用彩色多谱勒成像(CDI)技术,观测慢性青光眼术后眼压已正常者使用银杏叶片后血流动力学的变化。
补充资料：多苯基多亚甲基多异氰酸酯
多苯基多亚甲基多异氰酸酯，简称PAPI，或称粗MDI，浅黄色至褐色粘稠液体．有刺激性气味。相对密度(20℃／20 ℃)1．2，燃点218℃。PAPI实际上是由50％MDI与50％官能度大于2以上的多异氰酸酯组成的混合物。升温时能发生自聚作用。溶于氯苯、邻二氯苯、甲苯等。PAPI的活性低，蒸气压低，只是TDI的百分之一，故毒性很低。
用于制造聚氨脂胶粘剂。也可直接加入橡胶胶粘剂中，改善橡胶与尼龙或聚酯线的粘接性能。贮存于阴凉、通风、干燥的库房内，远离火种、热源。严格防水、防潮，避免光照。
用于制造聚氨脂胶粘剂。也可直接加入橡胶胶粘剂中，改善橡胶与尼龙或聚酯线的粘接性能。贮存于阴凉、通风、干燥的库房内，远离火种、热源。严格防水、防潮，避免光照。
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参考词条