echo method造句
例句與造句
- Nondestructive testing of concrete structures using impact - echo method
沖擊回波法檢測混凝土結(jié)構(gòu) - Currently , echo methods are defined for the following data types
目前，回送方法是為下列數(shù)據(jù)類型定義的： - Application of low - strain echo method to examining integrality of pour - pile
低應(yīng)變反射法檢測灌注樁完整性 - Which does exactly the same job as the echo method used above
還可以更改變量，它所做的工作與上面所用的echo方法完全一樣。 - Multiple echo method
多次反射法 - It's difficult to find echo method in a sentence. 用echo method造句挺難的
- Standard test method for measuring the p - wave speed and the thickness of concrete plates using the impact - echo method
用沖擊回聲法測量p波速度和混凝土板的厚度的標準試驗方法 - Two kinds of methods were used : acoustic impedance inversion ( all ) method and statistical characters extraction ( sce ) of sound echo method
主要研究了反演底質(zhì)聲學(xué)參數(shù)和統(tǒng)計特征量兩種方法。 - The elastic modulus of a special alloy material are measured by the ultrasonic pulse - echo method , when the temperature is changed from - 20 ~ 60
為實現(xiàn)超聲聲速的快速、精確測量應(yīng)用數(shù)字相關(guān)法精確確定超聲信號的傳播時間。 - Explain the characteristics of piezoelectric crystals and the factors relating to the resonant frequencies of a piezoelectric crystal , and the procedure of the pulse - echo method
說明壓電晶體的特性和與壓電晶體的共振頻率有關(guān)的因數(shù)，以及脈波回波法的過程。 - Each of such bodies as tunnel lining , road way and road surface floorslab has only one inspection face , and the shock echo method has become a new technique for detecting thickness and defects
摘要隧道襯砌、路道、路面樓板等只有一個檢測面，沖擊回波法成為新的厚度及缺陷檢測方法。 - The general and unique characteristics of the shock echo method and the foundation pile reflection method reveal the mechanism of the reflection technique as well as the different requirements of frequency domain and time domain for impulse
由沖擊回波法與基樁反射法的共性及特性揭示了這種方法的機理及頻域與時域檢測2種不同施測方法以及對激振的不同要求。 - Firstly , this paper synthetically introduces the state and the abroad of concrete structures about nondestructive testing , in particular examining flaws in concrete structures by using impact echo method , gets at the problem existing at present and clarifies the direction and the content of research lesson in the field
首先，綜合分析了國內(nèi)外關(guān)于混凝土結(jié)構(gòu)物的無損檢測特別是應(yīng)用沖擊反射法檢測混凝土結(jié)構(gòu)物缺陷的研究現(xiàn)狀后，了解了目前存在的問題，明確了研究課題的方向和內(nèi)容。 - Secondly , according to the theory of impact echo method examining flaws , the road surface and the bridge surface are aimed as study targets , four concrete plates are made with differently deep surface - opening cracks . using the experimental system of impact echo method made by sansalone etc . , this paper measures the stress waves velocity conveying in concrete plates by using one transducer or two transducers , and measures the depth of surface - opening cracks in concrete plates by using two transducers , and then the important data are attained
接著，根據(jù)沖擊反射法檢測結(jié)構(gòu)物缺陷的原理，以路面和橋面的開口裂紋為研究對象，制作了帶有不同深度開口裂紋的混凝土板塊，使用sansalone等人開發(fā)的沖擊反射法實驗系統(tǒng)，用單傳感器和雙傳感器分別對混凝土板塊內(nèi)應(yīng)力波傳播的速度和不同深度的開口裂紋進行了測量，得到了重要的實驗數(shù)據(jù)。 - Nondestructive testing is a very important and difficult research lesson about the defect of concrete structures . this paper mainly measures the stress waves conveying in concrete structures and the depth of surface - opening cracks in concrete plates by using impact echo method after carefully reading a lot of articles about the state and the abroad of concrete nondestructive in the field and incorporating the special conditions on the laboratory
混凝土結(jié)構(gòu)物的缺陷的無損檢測是一個非常重要而又非常困難的研究課題，本論文在大量參閱了國內(nèi)外關(guān)于混凝土結(jié)構(gòu)物無損檢測的研究資料后，結(jié)合本實驗室的具體條件，應(yīng)用沖擊反射法集中對應(yīng)力波在混凝土板塊內(nèi)傳播速度和混凝土結(jié)構(gòu)物內(nèi)部開口裂紋深度的測量等一系列問題展開了研究。