超声波
- 名ultrasonic ;ultrasound;supersonic
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[ultrasonic wave] 频率高于20000赫的声波。其特征是:波长短,近似作直线传播,在固体和液体内衰减比电磁波小;能量集中,可形成高强度、剧烈振动,引起激震波、液体中的空化作用等,产生机械、光、热、电、化学和生物等各种效应,被现代科技广泛应用
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他测出了超声波穿过骨头的速度。
He measured the speed at which ultrasonic waves travel along the bone .
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我进行了超声波检查,看看妊娠情况如何。
I had an ultrasound scan to see how the pregnancy was progressing .
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大多数处于妊娠期的妇女将被建议接受超声波检查,不过这不是强制性的。
Most women will be offered an ultrasound scan during pregnancy , although it 's not obligatory
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机器人就像蝙蝠那样地发出超声波讯号。
Much as bats do , robots send out ultrasonic signals .
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超声波传感器会发出不同的声音。
And the ultrasonic sensor makes different kinds of sounds .
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手套背面装有带电池的超声波传感器。
An ultrasonic sensor with a battery is put on the back of the glove .
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我们将用这笔钱开发一种更小更轻的超声波传感器。
We ' re going to use the money to develop a smaller and lighter ultrasonic sensor .
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其中一位设计师说,"现在手套上的超声波传感器相当大了。"
One of the designers said , " Now the ultrasonic sensor on the glove is quite large . "
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当使用者戴着手套靠近某个物体时,手套会发出超声波。
When the user wearing the glove is close to an object , ultrasonic waves from the glove are sent out .
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材料q值的超声波测定方法。
Supersonic methods for determining the q value of material .
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学校、火车站、体育场、博物馆、图书馆甚至游泳池都是超声波“重灾区”。
Schools , railways stations , sports grounds , museums , libraries and swimming pools are all potential sources of exposure .
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科学家认为,公共广播系统、扩音器、自动门等利用超声波控制的设备日益增多,可能会导致“超声病”的流行。
Scientists say that a boom in public announcement systems , loudspeakers and automatic doors may be spawning1 an epidemic2 of ultrasonic3 sickness .
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家用超声波驱鼠(猫)器等电子设备也会使人出现恶心、眩晕、疲倦、胃痛以及头痛等症状。
Even electronic devices designed to scare away mice and cats could be triggering symptoms such as nausea4 , dizziness , and tiredness , stomach pain , and headaches .
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科学家尚不确定超声波会如何损害健康,但它有可能会影响耳朵中精密的平衡感应器,令大脑感到“困惑”,从而引发各种眩晕恶心症状。
Scientists are not sure how ultrasound may harm health but one possibility is that it disturbs the delicate balance sensors5 in the ear , confusing the brain and calling seasickness-like symptoms .
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扩张Kalman滤波法在超声波CT反演计算中的应用
Application of extending Kalman filtering theory in the inversion of Ultrasonic CT
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基于DSP的超声波流量计
The Ultrasonic Flowmeter Based on DSP
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G型加载途径下岩石的声发射及超声波衰减特性
Characteristics of Acoustic Emission and Attenuation of ultrasonic Waves in Rocks during the Stress Paths of Case G
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点焊缝焊控制技术评述T、K、Y管书点焊缝超声波探伤&第三讲缺陷的判定
Discussing Of Spot & Seam Welding Control Technology ULTRASONIC TESTING OF THE WELDS IN TKY NODES DESCRIMINATION OF DEFECTS
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本公司的主要产品有:超声波技术防水型LED护栏管、LED数码管、LED数码屏;
The company 's main products are : ultrasonic technology waterproof LED guardrail tube , LED digital tube , LED digital screen ;
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环形超声波电动机定子振动的固有频率RC环形多谐振荡器输出波形分析
Natural Frequency of the stator of Ring Ultrasonic Motor Analysis of an RC Loop Multivibrator Output Waveform
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超声波冲击与TIG熔修复合强化改善高强钢焊接接头的疲劳性能
Improving fatigue behavior of the high-strength welded joints compound treated by TIG Dressing and ultrasonic peening
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一定强度的超声波处理,能明显削弱这种吸附。由此证明NGF对庆大霉素所致的内耳损伤具有明显的保护作用。
Ultrasonic treatment can weaken the adsorption greatly . It is indicated that NGF can weaken ototoxicity of gentamycin .
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结果表明,重水堆用锆管超声波探伤试块中,用U形人工缺陷取代V形人工缺陷是可行的。
The result showed it was reasonable to use U shape notch to replace V shape notch in test blocks for ultrasonic testing of zirconium tube applied in Candu reactor .
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建立用超声波萃取-高效液相色谱法同时检测海洋沉积物中16种优先监控的多环芳烃(PAHs)的方法。
A method using ultrasonic extraction combined with separation by HPLC was established for the simultaneous determination of 16 PAHs in marine sediments .
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液晶显示器磨边后超声波清洗及STN液晶盒设计优化的研究
Research of Cleaning Effect and Cell Parameter Modification through Us Cleaning after LCD Edge Grinding
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利用模糊神经网络避障控制器融合CCD摄像机与超声波传感器探测到的环境信息,以实现机器人的安全避障。
In order to avoid the obstacles successfully , detection results from CCD and ultrasonic sensors are fused by a fuzzy neural network , which acts as an avoidance controller .
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其中包括氧化脱毛、高pH值铬鞣、促进铬吸收的胶原改性、粉沫涂饰、化学摔软、超声波在制革工业中的应用等。
The contents introduced include oxidization unhairing , chrome tanning with high pH value , chemical modification of hide , powder coating for leather finishing , chemical milling and application of ultrasound in leather industry .
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利用超声波协同MTG酶对真丝电力纺进行复合抗皱整理。
Silk habotai was treated by ultrasonic and microbial transglutaminase ( MTG ) to improve its crease-resistance .
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结果表明,超声波和MTG酶协同作用显著地改善了真丝织物的抗皱性,且其他性能也都有所提高。
It is shown that silk fabric with synergic treatment of ultrasonic and MTG shows better crease-resistance and other performances .
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利用超声波分散、偶联剂对纳米SiO2进行了表面改性,用共混法制备了LLDPE/纳米SiO2复合材料。
The surface of nano SiO 2 was modified by supersonic wave dispersing and silane coupling agent , and then blended with LLDPE to prepare LLDPE / nano SiO 2 composites .