超壓試驗 的英文怎麼說
中文拼音 [chāoyāshìyàn]
超壓試驗
英文
overvoltage test-
2d - cad, 3d - cad cae, injection molding machines, 3dmeasurement machines, ultrasonic welding machines, high - frequency electromagnetic welders, hot stamping machines, silkscreen printing devices, caulking machines, automatic screw machines, det raw material - exclusive dryers, load testers
2d - cad , 3d - cad cae ,射出形成機, 3維測量機,超聲波焊著機,高頻電磁電焊機,熱沖壓機,絲印刷裝置,鉚合機,自動打釘機, det原料專用乾燥裝置,負荷試驗機。Test amp; amp; research on ehv power transmission in high altitude area
關于高海拔超高壓輸電技術問題的試驗研究This text studied the mutually interference influences to the aerodynamic force of irregular shape base on analysis using wind force and wind pressure data of super high buildings model obtained by wind tunnel tests, and provided reference to designer and expurgator on building code
本文以超高層建築剛性模型的高頻天平測力風洞試驗數據和表面測壓風洞試驗數據為依據,研究了復雜外形建築的風力和高層建築相互干擾對風力影響,供設計者及規范修訂時參考。Base on discuss, choosing mongolian scotch pine and manchurian ash as experiment species, using three kinds of wood fire - retardant treatment methods which included soaking at some pressure, pressurized soaking under ultrasonic wave and the pressurized soaking under ultrasonic wave after treated by microwave, the result is that ultrasonic wave may apply in wood fire - retardant treatment production
在討論的基礎上,以樟子松和水曲柳為木材試樣,選擇壓力浸漬、超聲波加壓浸漬和微波處理后超聲波加壓浸漬3種木材阻燃處理方法,經過試驗,說明在生產阻燃木材的浸漬方法中引入超聲波技術是可行的。The types of the detection equipments and apparatus are over 100, such as x - ray detector, r - ray detector, digital ultrasonic flaw detector, eddy current flaw detector, eddy current flaw detector, magnetic memory metal diagnostic instrument, acoustic emission testing an analyzing system, three - dimensional ultrasonic testing system, microcomuterhydraulic pressureniversal testing machine, metalloscope, portable direct - read spectrograph, have achieved the national advanced technology
擁有各種檢測設備100多套,如射線探傷機、數字式超聲波探傷儀、渦流探傷儀、磁記憶金屬診斷儀、聲發射檢測及分析系統、三維超聲波檢測系統、便攜式直讀光譜儀、微機式液壓萬能試驗機、金相顯微鏡等,達到國內先進水平。In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory
由直流脈寬調速系統( pwm )和位置環構成的定位系統中,速度環的參數隨負載特性;電網電壓;給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 , 2 .因此在設計位置環的離散滑模控制時,必須針對速度環(即位置環的控制對象)的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ,以確保系統在參數攝動時的穩定性和快速、無超調、準確定位的優良動態品質.為剖析該設計方法的控制效果,本文作了對比性研究,並將該設計方法用於工業試驗中,取得了滿意的結果Hypersonic propulsion test facility is important for the scramjet ground tests
摘要高超聲速推進風洞是進行超燃沖壓發動機模型地面模擬的重要試驗設備。This paper conbined with the indoor test and the scene test road, through the synthetical analysis of the factors of influencing densification effect for the densification thickness of filling stone roadbed. the maximum grain size of fill material, densification machinery and densification frequency et al. advanced a control norm of the maximum grain size and piy of compression, established ration evaluating the control standard of densification quality of filling stone roadbed under overload. comparing with result of indoor test and the scene test road, studied on theory of densification in different kinds of stone material and perfected the control system of the densification of filling stone roadbed under overload
結合室內試驗和現場試驗路的實測數據,通過對填石路基的壓實厚度,填料最大粒徑,壓實機械及壓實遍數等影響壓實效果的因素的綜合分析,提出填石路基的最大粒徑和攤鋪厚度的控制指標,建立定量評定超重載交通下填石路基壓實質量的控制標準,並對照室內試驗和現場試驗結果,研究不同石料條件下的壓實理論,補充完善了填石路基壓實控制指標體系。Abstract : experimental researches on normal section ultimate fle xural strength of prestressed reverse - rib - slab with excessive steel bar were m ade, and according to chinese norm ( gbj10 - 89 ) and american norm ( aci ) in which s train harmony analysis method was adopted, its ultimate strength was calculated, these make us further realizse the ultimate flexural strength of prestressed r everse - rib - slab with excessive steel bar
文摘:通過疊合結構中預應力超筋倒肋薄板正截面極限承載力的試驗研究,分別採用規范gbj10 - 89中的受彎構件、偏心受壓構件的計算公式及美國aci規范中的應變協調分析方法計算了極限承載力,從而更清楚地認識了配有高強鋼絲的超筋倒肋板的極限承載力計算問題。Abstract : reviewed are five methods for the analysis of the penetration of jacked - in piles, namely, cavity expansion method, strain path method finite element method, slip line method and calibration model test. after analysis, it is pointed out that it is more rational to adopt sub - statical spatial axisy numerical formulas based on traditional plane - strain cavity expansion method in the analysis. after spatial closed - form solutions are obtained for soil movements, stresses and initial excessive pore pressures generated durihy pile penetration are found out. it is suggested that finite element analysis together with centrifugal model test be used in verifying the results
文摘:在分析飽和粘土中靜壓樁的貫入機理的基礎上,對靜壓樁沉樁分析的圓孔擴張理論、應變路徑法、有限元分析、滑移線理論和模型槽試驗等五種方法逐一進行評述,並提出在傳統的平面圓孔擴張理論基礎上加以改進,採用準靜態空間軸對稱方程組對靜壓樁貫入過程進行模擬,從而得出土體位移、應力、初始超孔壓的空間解析解,同時採用有限元分析、模型槽試驗相互印證的研究方法Three phase oil - immersed distribution transformers, 50 hz, from 50 to 2500 kva with highest voltage for equipment not exceeding 36 kv - requirements and tests concerning pressurized corrugated tanks
最高電壓不超過36kv的設備用50hz 50 2500kva三相油浸式配電變壓器.關于加壓波紋罐的要求和試驗方法A mixture of three amino acids ( arg, gly, glu ) labeled with fluorescein isothiocyanate ( fitc ) was separated in pdms microfluidic chip, the separation voltage is 200v / cm, the separation time is less than 120 seconds ; according to ccd fluorescence images, two distinct physical processes - stacking and destacking during sample injection were studied qualitatively ; rhodamine b, a kind of temperature - dependent fluorescence dye, was used as probe to develop a temperature - fluorescence intensity equation, then temperature - color map in microchannels was constructed, and temperature trait in microchannels on the pdms microfluidic chip was analysed. according to the results, we conclude that the electric field applied to the pdms microfluidic chip should not exceed 400v / cm
利用pdms微流控晶元對fitc標記的精氨酸、甘氨酸、谷氨酸混合物進行了電泳分離,分離電壓為200v cm ,分離時間不到120秒;通過拍到的熒光顯微圖像對電泳注樣過程中復雜的樣品分子積聚與解聚現象作定性的分析;以熒光染料rhodamineb為溫度熒光探針,建立了pdms微流控晶元上的溫度-熒光強度的關系公式,並利用matlab圖像處理工具箱構建出微流體溝道內的溫度色圖,對pdms微流控晶元的微流道溫度特性進行了分析,根據實驗結果,我們認為對于pdms微流控晶元來說,在進行需要外加電場作用的試驗時,外加電場不應超過400v cm 。Through analyzing the in - situ data such as total settlement, layered settlement and pore water pressure, the actual deformation behavior of soft foundation are mastered. after summarizing the methods of predicting settlement of soft foundation and bring forward a method to predict the post construction settlement of the surcharge preloading soft foundation. and the engineering application of the predicting foundation settlement based on “ law of massaction ” and the traditional predicting methods are compared, the results shows that the model is useable and it deserves more validation in more projects
本文以深圳灣軟基處理工程試驗區為背景,通過對淺層沉降、分層沉降、孔隙水壓力等資料的分析,掌握了軟基變形的實際性狀;在總結軟基路堤沉降預測方法的基礎上,探討了軟基超載預壓工后沉降預測的參數反演法;並對地基沉降預測的「質量作用定律」模型的工程應用與傳統的預測方法進行了對比,驗證這種方法是可行的,得出了一些有用的結論。The author of this article used orthogonal test design, arranged the test scheme scientifically, selected material carefully, at last yielded an ultrahigh strength cement - based material ( uhscm ), whose compressive strength exceeded 100 mpa, mainly by using 42. 5 ordinary portland cement, superfine aggregate : nano sio2, superplasticizers and so on
本文是在廣泛閱讀國內外有關資料的基礎上,採用正交設計,科學地安排試驗,精心選材,用42 . 5普通硅酸鹽水泥、納米sio _ 2 、高效減水劑等材料,採用常規工藝配製出了一種抗壓強度超過100mpa的高強水泥基復合材料。The author of this article used orthogonal test design, arranged the test scheme scientifically, selected material aboratively, at last yield a ultrahigh strength cement - based material ( uhscm ), whose compressive strength exceeded 120 mpa, mainly by using 625r ordinary portland cement, superfine aggregate - - silica fume, superplasticizers and so on
本文在廣泛閱讀國內外有關資料的基礎上,採用正交設計,科學地安排試驗方案,精心選材,用625r普通硅酸鹽水泥、超細顆粒集料硅灰、高效減水劑等材料,採用常規工藝配製出了一種抗壓強度超過120mpa的超高強水泥基材料。Finite element analysis on high pressure cylinder body of high - pressure tube - testing press
超高壓水壓試驗機高壓缸體的有限元分析In the paper, static and dynamic triaxial tests were conducted on fiy ash at shanmenxia longgou ash dam, and the static and dynamic parameters of fly ash were obtained. thirdly the 2 dimensions static analysis of the ash dam was conducted based on biot ' s consolidation theory and duncan ' s nonlinear stress - strain model. finally the plane dynamic behaviors of the ash dam during earthquake of intensity 7 were analyzed based on the exponent function model of excess pore water pressure aroused by earthquake, which is put forward in the paper, and equivalent visco - elastic dynamic fem model and principle of effective stress
本文結合實際工程,對三門峽火電廠龍溝灰壩的築壩粉煤灰進行了靜、動三軸試驗,確定了該壩粉煤灰的靜動力學指標;然後根據比奧( biot )固結有效應力原理,採用鄧肯( duncan )非線性應力應變模型,對該灰壩的二維靜力應力和變形狀態進行了分析;最後利用本文提出的地震超靜孔壓指數函數模型,採用等價粘彈性動力有限元方法,對該灰壩在地震作用下的動力穩定性進行了分析評述。The research of this paper includes : ? high - speed photography and flash x - ray radiography are both used to capture the process of al shell ' s great deformation under low pressure. front illuminations are used to get the development of the fracture on the al shell. the relative energy release is analyzed from overpressure curves measured with some sensors
本文的研究內容主要包括: ?在受試炸藥經歷低應力大變形過程的susan試驗中,同時採用高速攝影、閃光x射線照相對彈體的撞靶過程進行了拍攝,得到了殼體膨脹變形過程圖像,並使用前照明技術觀察到了鋁殼表面產生的裂紋及其發展變化過程;從壓力傳感器測量的空氣沖擊波超壓曲線,獲得反應釋放總能。On the basic of former research men ' s experience, 18 experimental members ( including 9 simple beams and 9 restrained beams ) are designed and tested. in the experiment, phenomena are observed and record by taking photos in the whole process from the first crack appears to test members crash completely, experimental data is attained including load values of crack - appear load, critical load and terminal load, stress values of reinforcing steel bar stress, compressed concrete stress and beam flank stress and values of deflection etc. by analyzing the crack ' s appearing and developing form and stress values of concrete and steel bars, the crash modes of test beams are defined ; shearing force - deflection curves are contrasted and analyzed ; the effects on shear strength of the three factors as shear span ratio, concrete strength and restraining moment are also analyzed
借鑒已有試驗的經驗,本文設計和完成了對18根超高強混凝土無腹筋梁(包括9根簡支梁和9根約束梁)在集中荷載下抗剪強度的試驗,觀察了試件從裂縫出現到完全破壞失去承載能力全過程的試驗現象並通過拍照進行記錄,獲得了試件的斜裂縫出現荷載、臨界斜裂縫荷載和極限荷載等荷載值和縱筋應變、混凝土受壓應變和梁側混凝土應變等應變值以及撓度值等。The present research subject applies supersonic and pressure sensitive techniques of the nondestructive inspection technology in the tensile test of the samples, replacing the old manual operation, manual measurement and naked - eye inspection
本課題在無損探測技術中選擇超聲技術和壓力傳感器應用到試驗試件拉伸檢測中,取代人工操作、手工測量、肉眼觀察的落後方法。分享友人