ultrasonicwave相关论文
In this paper, the phenomena of Mg2Sn-induced Sn whisker growth were explored on the surfaces of Mg/Sn/Mg ultrasonic-as-......
Cracks are accounted as the most destructive discontinuity in rock,soil,and concrete.Enhancing our knowledge from their ......
Copper-bearing biotite is a refractory copper mineral found on the surface of the Zambian Copperbelt. Biotite is a coppe......
Three kinds of lower rank bituminous coals from Yanzhou mine and Tengxian mine from Shandong Province were treated and h......
Ultrasound is a form of mechanical energy.It can vibrate and move particles within a specific medium, therefore has been......
Combination of Phanerochaete chrysosporium with microwave or ultrasonic wave pretreatment to enhance
In recent years,due to the worlds energy demand and with the uncertainty in the supply,ever increasing prices of fossil ......
To evaluate the experimental ability related to master the concept,transimission law and detection method of ultraso......
为了解决传统的化学反应存在的受热不均、催化剂开发困难、溶剂污染等问题,国内外学者提出了外场技术.本文分别介绍了微波、超声波......
目的：观察超声波治疗运动性软组织损伤临床疗效。方法将56例患者随机分为治疗组和对照组，每组28例。治疗组采用超声波治疗，对照组采用......
Background:Paralysis following injury may be caused by compression of language or motion center in dominant hemisphere b......
GENERAL DATArnChild, male, aged two months. The patient was diagnosed having severeasphyxia and having no breathing and ......
Acoustic experimental study of two types of rock from the Tibetan Plateau under the condition of fre
本文通过对荣华二采区10...
Experimental Study on the Hydrodynamics and Mass Transfer Characteristics of Airlift Loop Reactors(A
The promoting effect of ultrasonic wave on the hydrodynamics and mass transfer characteristics of the airlift loop react......
针对传统大豆磨浆出浆率低的问题,应用超声波特有的物理性质来提高大豆蛋白质和固形物回收率.使用频率28 kHz,输出功率为200、400......
对超声波及微波提取异黄酮的工艺进行优化．超声波提取最佳条件：60％乙醇、60℃、功率400W、提取30min，微波法提取最佳条件：微波功率560W，......
介绍便携式超声波应力检测仪的工作原理及使用效果。由于该检测仪可在使用现场准确而快捷地测试车轮及钢轨的内应力，及时发现导致车......
讨论超声波法在半刚性材料、水泥材料及聚合物改性水泥材料等公路工程土工材料研究中的应用，发现超声波法除可测定材料的动弹性模量......
详细论述了超声波检测立井壁后注浆质量的整个过程，通过对不同岩层的六个测区点的超声波测试，归纳出超声波测试立井壁后注浆的五种典......
利用水泥、石膏和砂模拟灰岩的岩性,在室内进行小样配方试验的基础上,选择合适的配方,进行了室外岩溶顶板的模拟试验.利用声波仪,......
介绍了超声和回弹综合法检测运作模式和评定烧损混凝土强度，界定井塔烧后利用价值，并为烧损混凝土补强提供可靠依据。......
本文研究了用超声波强化再生阴离子交换树脂的工艺技术，发现在一定功率和频率下，色素的解吸速度大大提高。......
本文提出了石材精密雕刻的新方法，设计了超声波精雕系统，解决了石材雕刻中微小异形表面高效精加工的难题，并对雕刻机理进行了研究。......
