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低频超声 low-frequency ultrasound英语短句 例句大全

时间:2019-07-12 23:40:09

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低频超声 low-frequency ultrasound英语短句 例句大全

低频超声,low-frequency ultrasound

1)low-frequency ultrasound低频超声

1.Bio-effects on VEC-304 cultured in vitra treated withlow-frequency ultrasound and microbubble agent;低频超声联合微泡剂对血管内皮细胞的生物学效应

2.Bio-effects of SMMC-7721 cells cultured in vitro treated withlow-frequency ultrasound and microbubble agent;低频超声联合微泡剂对肝癌细胞SMMC-7721的生物学效应

英文短句/例句

1.Diagnostic value of high frequency vs low frequency ultrasonography for acute appendicitis高频超声与低频超声在急性阑尾炎诊断中的价值比较

2.Study on Characteristics and Measurement Methods of the High-power Low-frequency Ultrasonic Fields for Cleaning;大功率低频超声清洗声场的声场特性及测量方法研究

3.The Clinical Study of Low-Frequency Ultrasound United with Micro-Invasive Surgical Therapy of Hypertensive Cerebral Hemorrhage;低频超声联合微创术治疗脑出血疗效研究

4.Effect of Low-Frequency Ultrasound-Enhanced Fibrinolysis in Intracerebral Hematoma: A Porcine Model Experiment;低频超声对猪脑内血肿助溶作用的实验研究

5.Randomized Controlled Clinical Study on Efficacy and Safety of Low Frequency Ultrasound in Promoting Permeation of the Anesthetic Drugs Across the Skin;低频超声介导促进透皮局麻的随机对照研究

6.Numerical simulation of impedance characteristic of low-frequency ultrasonic nozzle for aeroponic culture低频超声雾化栽培喷头阻抗特性的数值模拟

7.Study on Apoptosis of C6 Glioma Cells Induced by Low-frequency Ultrasound in Vitro低频超声体外诱导C6胶质瘤细胞凋亡的研究

8.Application Value of High-low Frequency Ultrasound in Acute Appendicitis高低频超声在急性阑尾炎诊断中的应用

9.Clinical Diagnosis of High and Low Frequency Ultrasound in Acute Appendicitis高频和低频超声显像联合应用对急性阑尾炎的诊断评价

10.The Preliminary Study on the Application of VEGF and FGF-2 to Fascio-Cutaneous Flaps of Super Length in Pigs Via Low-Frequency Ultrasound-Mediated Transdermal Drug Transport SystemVEGF、FGF-2低频超声透皮给药系统对猪超长筋膜瓣应用的初步研究

11.The Clinical Study of Low-Frequency Ultrasound United with Batroxobin in Acute Cerebral Infarction;低频超声治疗配合降纤酶在急性脑梗死治疗中的临床研究

12.The frequency effect of a low-MHz bi-beam ultrasonic irradiation;低频双束超声辐照的频率效应(英文)

13.Low-frequency characteristic of ultrasound reflection spectrum from adhesively bonded aluminum plates等厚铝板粘接件超声反射频谱的低频特征

14.Study on Low Intensity and Low Frequency Ultrasound Influencing Activity of Activated Sludge;低强度低频率超声对活性污泥活性的影响研究

15.Study on algal control by low-frequency,low-power ultrasonic低频、低功率超声波抑制藻类生长的效果

16.The Value of High and Iow Frequehcy Ultrasound and Mensentary Acoustic Contrast Examination in Diagnosis of Tubercular Peritonitis低频与高频超声加肠系声学造影诊断结核性腹膜炎

17.The Clinical Study on Solid Tumor by Low-Frequency Ultrasound and the Reversal of Multidrug Resistance by Low-Frequency Ultrasound and Minyaojian in Vitro;低频率超声治疗实体肿瘤的临床研究及低频率超声和敏药碱逆转肿瘤多药耐药的体外研究

18.Study on the Scream during the Process of the High-power Low-frequency Ultrasonic Cleaning;低频大功率超声波清洗过程中啸叫现象的研究

相关短句/例句

low frequency ultrasound低频超声

1.Degradation of azo-dye Acid Red B in aqueous solution by cast iron combined withlow frequency ultrasound;低频超声/内电解法联用处理酸性红B废水

2.Effects oflow frequency ultrasound treatment on the expression of tumor necrosis factor-α in C6 glioma cells;低频超声对C6胶质瘤细胞TNF-α表达的影响

3.Objective To investigate the effect oflow frequency ultrasound at 1MHz with different power and illumination time on the blood-brain barrier (BBB)and the cortic neurons of rats to seek the optimum sonication condition to open BBB.目的探讨1MHz低频超声在不同功率、不同照射时间对大鼠脑细胞及血脑屏障的影响,寻求开放血脑屏障的最佳条件。

3)low-frequency ultrasonic低频超声

1.Objective:To investigate the therapeutic effect oflow-frequency ultrasonic transdermal drug delivery machine on severe frostbite of rabbit foot and to provide basis for clinical use of them.目的 :研究低频超声药物渗透治疗仪在治疗兔足重度冻伤中的作用 ,为其临床应用提供依据。

4)Low Frequency Ultrasonic低频超声

1.Objective To investigate the mechanical properties of Polymethylmethacrylate(PMMA) bone cement loaded with different concentration of Vancomycin,as well as the influence of the low frequency ultrasonic(LFUS) on them.目的 研究含有不同浓度万古霉素的聚甲基丙烯酸甲酯(PMMA)骨水泥的机械性能,以及低频超声对其的潜在影响。

5)soaking wet-low-frequency ultrasonic cleaning低频超声法

6)Low-frequency ultrasound低频超声波

1.The skin tissues,which dealt separately by low-frequency ultrasound,80% glycerol and both of them,were observed by optical coherence tomography(OCT).采用光学相干层析成像技术(OCT)系统对分别经低频超声波,80%甘油和二者同时作用于皮肤组织进行实时监测而获取图像,并运用计算机软件对皮下深度为0。

延伸阅读

磁层甚低频发射磁层中除由雷电辐射产生的哨声外,还存在一些天然的和受其他电磁波触发的甚低频电磁波。这些电磁波的频率范围与哨声相近,但出现的持续时间和频率-时间关系却多种多样,从持续时间只有几分之一秒的离散型到持续几十分钟以上的宽频带连续发射型,统称为甚低频发射。在离散型甚低频发射中,准周期型的电波(如合声)由从10赫到 5千赫的许多频率的上升调和下降调叠加而成,多发生在等离子层外的日照面赤道附近。触发离散型(如受哨声触发)发射,频率与哨声的频率范围相同,最常见的发生在哨声的上截止频率处(=/2,为哨声传播路径顶点的电子回旋频率)。它有上升调也有下降调,形状很不规则,在等离子层顶附近出现最多,有时还有准周期型的触发发射。在高、中纬度地区,大功率电力网的高次谐波也在磁层触发甚低频发射,在沿等离子层顶内侧能观测到在这些高次谐波上叠加有上升调或下降调的离散型或准周期型的触发发射,它与合声不同之处是依附在工频的高次谐波上。受人工发射机信号触发的甚低频发射,依赖于发射信号的脉冲宽度、频率和功率,也依赖于电离层与磁层的条件。在适当的条件下,仅有100瓦的奥米加导航电信号也能触发甚低频发射。在宽频带连续型甚低频发射中,等离子层嘶声的频率为10赫~5千赫,在等离子层顶和等离子层内能观测到。极光区嘶声的频率从几千赫至 100千赫。它们和上述受触发的离散型有明显的准相干波列不同,嘶声表现为非相干的,类似于随机噪声的宽带特性,极光区嘶声发生在极光区上空2000公里附近,与极光的出现有很大的相关性。此外,还有一种在地面上接收不到、但在卫星上能接收到的高于电子回旋频率的右旋非常波模电磁波,因为频率高于哨声模电磁波,称为高通噪声。它是地球发出的、波长为千米数量级的无线电辐射,又称地球千米辐射。磁层是能谱宽广(从等离子层内部几个电子伏的低能粒子到辐射带中高达几百兆电子伏的高能粒子)的空间等离子体,在磁层中存在等离子体不稳定性,甚低频发射正是这些不稳定性所激发的电磁波。这是60年代以来的新发现(见磁层电磁波)。通过实验证实,在近赤道平面区由捕获的高能粒子与波产生的回旋共振不稳定性产生触发型甚低频发射;大功率电力网激发的甚低频发射,引起捕获粒子的投掷角散射,从而使高能粒子沉降;人工发射信号受波与粒子的相互作用后被放大达30分贝等现象,推动了理论的发展。

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