振動壓密 的英文怎麼說
中文拼音 [zhèndòngyāmì]
振動壓密
英文
compaction by vibration-
Based on the foundation " liquefaction test study on the rapid railroad bed " supported by the railway department, some works on the liquefaction of silty soils have been carried out. in this dissertation, after making a short review of the works on seismically induced soil liquefaction, some research results are presented, which include the following contents. ( 1 ) depending on the dynamic triaxial test, the liquefaction strength of the silty soils is studied and two new models are proposed to evaluate the pore water pressure and the strain of the saturated silty soils during earthquake
結合鐵道部發展基金項目： 「高速鐵道液化土地基試驗測試研究」 ，本論文概括總結了地震液化的研究現狀，就滬蓉高速鐵路徐州段可液化場地粉土地基的液化特性問題開展了一些研究工作，內容如下： （ 1 ）提出了基於實用目的的粉土的孔隙水壓力增長模式和永久應變勢計算模型，並把此兩模型應用於場地的地震反應分析和地震液化性能的評價中；依靠循環振動三軸試驗技術，對粉土地基的地震液化強度進行了試驗研究；驗證了密實度是粉土液化的重要影響因素。Unbound and hydraulically bound mixtures - test methods for laboratory reference density and water content - vibrating table
鬆散的和液壓粘合的混合料.實驗室參考密度和水含量的測試方法.振動臺Unbound and hydraulically bound mixtures - test methods for laboratory reference density and water content - vibrating hammer
鬆散的和液壓粘合的混合料.實驗室參考密度和水含量的測試方法.振動錘Unbound and hydraulically bound mixtures - test methods for laboratory reference density and water content - vibrocompression with controlled parameters
鬆散的和液壓粘合的混合料.實驗室參考密度和水含量的測試方法.有控制參數的振動壓縮The results show that, the settlement of rockfill increases with vibration compaction times adds, its density enhances, when the settlement of rockfill reaches some extent, it decreases instead increases with the vibration compaction increases, moreover the density reduces
試驗結果表明：隨著振動壓實遍數的增加，填石層的沉降增加，密實度提高，但當沉降達到一定值以後，隨著振動壓實遍數的增加，填石層的沉降不增加反而減少，密實度降低。Scroll compressor, used as main engine in auto aircondition system, has small volume, light weight, low noise, low vibration, good seal, high volume efficiency and high heat insulation efficiency
渦旋壓縮機是汽車空調器的製冷主機，具有體積小、重量輕、低噪聲、低振動、密封好、容積效率和絕熱效率高等優點。And a post - liquefaction test method has been put forward, in which the cyclic loading and the static loading courses are both controlled by stress mode. this method reflects the in - situ conditions well and truly, and a lot of tests have been done using this method. in these tests the effects of confining pressure, relative density, liquefaction severity etc. have been thoroughly investigated
主要工作內容如下：參與研製了振動扭剪全自動多功能三軸儀，並利用其獨特試驗功能設計了一套飽水砂土液化后特性的試驗方法，試驗過程中模擬地震作用的動加載過程及模擬大變形發生的靜加載過程均採用應力控制的方式進行，試驗方法跟現場條件更為接近並用該試驗方法對相對密實度、固結壓力、液化度等對液化后變形特性的影響進行了研究。Among them the flow pulse is more standing - out, which is the main reason of its not more widely used. because high flow pulse will lead to the worse of the smooth movement of hydraulic motor and pipe, also cause pressure pulse which lead to a high noise, and give the destructive damage to the axial, bearing, valve, the connect of pipe etc. how to make the flow pulse low has become the research of scholars of many country
其中流量脈動問題顯得尤其突出，它嚴重製約著齒輪泵的應用，因為泵的流量脈動大，不僅會使液壓缸運動的平穩性、液壓馬達回轉的均勻性性變差，而且會引起壓力脈動，進而使管道、閥門乃至整個系統振動（特別是在共振時） ，並發出很強的噪聲，這對軸、軸承、管接頭及密封都有破壞性影響。It is found from the monitoring data that the response of the acceleration transducer is linearly relative to the compaction degree of gravel soils
在大量室內試驗數據的基礎上，研究了振動壓實過程中加速度電信號響應隨碎石土密實度的變化規律，發現二者具有顯著的線性相關性。With the data recorded by computer, the author studies the experiment progress in detail, which includes the development of pore press, strain, strength of the sand, etc. connecting the development of these phenomena with the development of stress path, the author finds new mechanism which can explain the phenomena in the experiment. what is more, according to the dynamic test of the sand, there appears a steady state at the last phase of the development of strain and stress path, in which the strength of the sand is studied because it is an important parameter in evaluating the stability of sand against liquefaction. secondly, the dynamic constitutive relation was studied through the dynamic tri - axial test
本文首先採用目前國內較先進的微機控制動三軸儀，利用其可以適時採集和儲存數據的優勢，對砂土的實驗過程進行了細致的分析，研究該過程中孔隙水壓力發展、軸向應變發展以及它們與應力路徑之間的關系，對飽和砂土的剪脹、剪縮和卸載體縮等多個方面進行了研究，探索了砂土的動力特性，分析了影響砂土抗剪強度的各種因素，這些因素既包括土本身的特性（土的密度、結構、級配、透水性以及初始狀態等） ，又包括動荷載的特徵（振動力幅值大小和振動頻率等） 。The breaking of rockfill particles is decomposed into breaking due to compression and breaking due to rheology, corresponding to vibration compaction and rheological fineness respectively. the rheological breaking is relatd directly to stress and temperature
通過試驗研究，將堆石顆粒的破碎分為主壓縮變形破碎和流變破碎二種，分別對應于堆石在外力作用下的振動密實和伴隨流變的顆粒細化。This paper is a part of scientific research item " coupling of sound and cement bond logging of shipping hermetic cabin and the influence of multi - variable environment simulative hermetic cabin to body ". it mainly studied the measurement and control system of the simulative hermetic cabin to realize the adjustment of temperature, humidity, stress, oxygen, carbon dioxide, vibration and noise etc. and the parts of system design to the hermetic cabin and corresponding have carried on the technology explanation
本論文是「船舶密封艙內的聲固耦合和多變量環境對生理功能的影響」科研項目的子課題，主要對模擬密封艙的測控系統進行研究，以實現密封艙對溫度、濕度、壓力、氧氣濃度、 co _ 2濃度、振動和噪聲等變量的調節。Therefore developing the environment simulation hermetic cabin that the stress, temperature, humidity, oxygen, carbon dioxide, vibration and noise etc can be adjusted, research many kinds of synthetically influences of multi - variable environment to the physiology function of animal such as single variable and the stress, temperature, humidity, oxygen, vibration and noise etc and its harm, looks for out the regularity of its influence to reach and probably gives rise to the critical scope of damage to the human body physiology function, and then but the measure of environment variable which sought actively to prevent and control inside the hermetic cabin looks has the meaning very much
因此，研製壓力、溫度、濕度、含氧量、振動和噪聲等可調節的環境模擬密封艙，深入研究單一變量和壓力、溫度、濕度、含氧量、振動和噪聲等多種變量環境對動物的生理功能的綜合影響及其危害，找出其影響的規律性及可能對人體生理功能產生損害的臨界范圍，進而尋求有效的預防和控制密封艙內部的環境變量的措施則顯得非常有意義。How expounded testing and controlling seven variables such as temperature, humidity, stress, oxygen, carbon dioxide, vibration and noise etc. it is different from single variable environment simulate hermetic cabin before, this paper expounded the basic component of multi - variable environment simulation hermetic cabin and the work principle of measurement and control system to develop of it, it advanced the method of the preset checkout and the jointly control of multi - variable such as temperature, humidity, stress, oxygen, carbon dioxide, vibration and noise etc, it has been designed to realize computer measurement and control of environment simulate hermetic cabin
具體介紹了多變量環境模擬密封艙的基本組成和測控系統的工作原理，闡述了如何對所給定的溫度、濕度、壓力、氧氣濃度、 co _ 2濃度、振動和噪聲等七種變量進行檢測和控制。與以往單一變量環境模擬密封艙不同的是，本文對所研製的多變量環境模擬密封艙的基本組成和測控系統的工作原理進行了闡述，提出了對所給定的溫度、濕度、壓力、氧氣濃度、 co _ 2濃度、振動和噪聲等多種變量的檢測和聯合控制的方法，設計並實現了環境模擬密封艙的計算機測控。Self - aligning clutch release bearing is a kind of bearing with stamping encloser and sealers. perfect hermitically construction can prevent sewage from invading. this bearing a changed from inner revolution into outer revolution and diaphragm spring in the bearing can make it self - align. this bearing can reduce vibration & noise and has long life length, light weight and abundant lubrication
該類型產品為自調心離合器分離軸承，軸承帶沖壓外罩，兩面帶密封圈，能很好的防止污物進入軸承內部，軸承由外圈旋轉改為內圈旋轉，具有膜片彈簧與軸承自調心的功能，潤滑充分，減少振動、降低噪音、重量輕、使用壽命長等特點。The emphasis in this chapter is to state the principles of energy and pressure of crystals in static situation ( when temperature 7 = ok ), the mie - griineisen relationship, describing the vibrational energy ( thermal energy ) and thermal pressure ( plh ) of crystals, and debye model and debye equation of state for " ideal " solids
其次是對固體的廣義物態方程的基本理論、多項式物態方程、與靜態晶格壓縮相聯系的冷能和冷壓、與晶格熱振動緊密聯系的熱能和熱壓、及描述晶體壓強、冷能、熱能三者之間關系的mie - gr （Because these harmful phenomena are closely related to the dynamic process of the flow, it is of great importance, theoretically and practically to the engineering design, to study the flow regime and predict the variations of flow velocity and pressure so that the hydrodynamic mechanism of cavitation and gate vibration could be analysed
由於這類有害現象的發生與水流的流動特性密切相關，探明閥門段水流急變分離的流態、預測流速、壓力時空變化規律，分析空化與振動的水動力學成因，在理論上和工程設計實踐上皆具有重要意義。A medium frequency - small size vector hydrophone of co - vibrating type is wrapped with low density compound material and in shuck only one piezoelectric ceramic accelerator is used for each channel to measure the vector components of the underwater acoustic field
摘要中頻小型同振式矢量水聽器採用低密度復合材料作為矢量通道外殼、壓電加速度計作為內部振動傳感器，以拾取水下聲場中的矢量信息。For satisfying the demand of isolating the low - frequency vibration in precision process, this thesis conducts theoretical and experimental research on an active isolation system of small vibration based on piezoceramic actuator
為了滿足精密加工隔離低頻振動信號的需要，本論文對採用壓電陶瓷製成的低頻精密主動隔振系統進行了理論、模擬和實驗研究。In the aspect of compaction meter, although many factories can manufacture many kinds of vibratory rollers that can meet the needs of industry, the compaction meter is fallen behind and the equipments produced cannot adapt to the needs of quick development of civil road construction
在密實度檢測儀方面，雖然目前國內生產廠家已能生產出多種型號的振動壓路機滿足工程施工的需要，但與其配套的壓實度檢測儀尚顯落後，且已研製的設備不能適應目前國內公路建設迅速發展的需要。分享友人