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- Lamb wave testing Lamb波檢測
- The varied dispersion curves worked out this paper is helpful in application of ultrasonic Lamb wave. 文章計算出的多種頻散曲線(xiàn)對超聲蘭姆波的應用是有益的。
- This paper introduced a new Lamb wave sensor based on the analysis of nowaday methods for measuring sound velocity in liquid. 在分析現有液體聲速測量方法的基礎上,提出了一種新的蘭姆波傳感器。
- Non-destructive test (NDT) for concrete; inspection, evaluation and appraisal for the quality, flaw, crack and durability of concrete construction; and sound wave test for rock. 咨詢(xún)專(zhuān)業(yè)特長(cháng)：混凝土無(wú)破損檢測技術(shù)；混凝土質(zhì)量、缺陷及耐久性檢測、評定、鑒定；巖體聲波檢測。
- Methods 40 cases of ADHD children and 20 subjects of control were studied with event related potentials (ERP) P 3 wave test and attention deficit tester test. 方法本文對40例ADHD和20例正常對照兒童進(jìn)行了事件相關(guān)電位（ERP）P3波的檢測，同時(shí)用注意力缺陷測試儀進(jìn)行評分。
- This method and the acquired results provide important theoretical basis for Lamb wave plate inspection and can also be used as the foundation of defect quantification algorithm development. 邊界元仿真的結果為使用蘭姆波進(jìn)行彈性平板缺陷檢測提供了重要的理論基礎，也可以作為缺陷量化的依據。
- A low-frequency multi-mode ultrasonic Lamb wave method suitable for characterizing shear and longitudinal wave velocities, thickness and density of ultra-thin elastic layers is presented. 提出了用低頻多模式超聲蘭姆波定征方法來(lái)估計超薄彈性層的縱波聲速、橫波聲速、厚度和密度等參數。
- The recent advances in ultrasonic guided wave testing technique are summarized. 摘要綜述近年來(lái)超聲導波檢測研究的最新進(jìn)展。
- I. A. Viktorov, Rayleigh and Lamb Waves: Physical Theory and Application, Plenum Press, New York (1967). 鄭勝文;聚焦式超聲波換能器之藍姆波量測分析與應用;國立成功大學(xué)機械工程學(xué)系碩士論文(2000).
- This paper introduces two methods of ultrasonic characterization of thin layers: longitudinal pulse-echo and Lamb waves. 摘要介紹了兩種常用的材料薄層超聲表征方法?縱波脈沖回波法和蘭姆波法。
- Abstract: Wedge transducers located on the surfaces of layered planar structures are used to generate and detect the multimode Lamb waves. 文章摘要: 置于層狀平面結構表面的斜劈超聲換能器被用于激發(fā)和接收多模蘭姆波。
- For the different solidifying time of the adhesive layer, the measured amplitude-frequency relationships of the multimode Lamb waves are quite different. 對于不同的粘接層固化時(shí)間，實(shí)驗測得的多模蘭姆波幅頻曲線(xiàn)明顯不同。
- Her daughter Nancy is an ewe lamb to her. 她的女兒南希是她的心肝寶貝。
- The wave tests the courage of the coxswain,while difficulties exams human's tolerance. 風(fēng)浪考驗艄公的膽量，困難檢驗人的堅強。
- Lamb waves method is mainly used to characterize thin plate materials, without using very high frequency, it can measure the velocity of transverse wave and longitudinal wave, depth of the plate, and the bonding quality between plates. 蘭姆波法主要用于表征薄板類(lèi)材料，無(wú)需較高檢測頻率，可以測得板中縱波和橫波的聲速、板厚和板與板之間的結合特性等，檢測精度較高。
- Creeping wave testing is an effective supplement to conventional ultrasonic testing. 爬波檢測是常規超聲波檢測的有力補充。
- CALCULATION FOR LAMB WAVE DISPERSION CURVES 蘭姆波頻散曲線(xiàn)的計算
- The authors carry out pertinently several testing methods toward some highway subgrade including nondestructive low-layer panel wave test, bending test, loading plate test, CBR test. 鑒于此，對某高速公路路基針對性地進(jìn)行了多種測試，其方法包括無(wú)損淺層面波測試、彎沉測試、載荷板測試、加州承載比(CBR)測試。
- Laboratory study of Lamb wave computed tomography Lamb波CT成像的實(shí)驗研究
- Experiment showed that Rayleigh wave testing technique was feasible for the evaluation and it was convenient, quick and efficient. 試驗發(fā)現瑞利波法評價(jià)地基強夯效果是可行的，具有方便、快速和高效的特點(diǎn)。
