拉制試驗 的英文怎麼說
中文拼音 [lāzhìshìyàn]
拉制試驗
英文
drawing test-
Abstract : based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents
文摘:在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下,分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉疲勞試驗,研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗疲勞性能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果,但改性效果和樹脂的添加量並不是一個無限遞增的關系,當添加量超過一定數值以後,改性的效果將趨于平穩.最後就高溫、低溫、疲勞3個方面分別提出環氧樹脂添加量為20 ? , 30 ? , 30 ?的建議值Based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents
在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下,分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉疲勞試驗,研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗疲勞性能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果,但改性效果和樹脂的添加量並不是一個無限遞增的關系,當添加量超過一定數值以後,改性的效果將趨于平穩.最後就高溫、低溫、疲勞3個方面分別提出環氧樹脂添加量為20 ? , 30 ? , 30 ?的建議值Tera xtal s release of 4 - inch product is well timed to meet the higher market demand stemmed from the wide - adoption of cellular phones in the developed and developing countries. with guidance from prof. yu huang of national tsing hua university s crystal growth laboratory, the crystal growth team at tera xtal first gained invaluable experience over the past 8 months by using the garage - version of a crystal puller in countless test growth trials of 3 " lithium tantalate crystals
透過清華大學材料科學中心單晶成長實驗室負責人黃瑜教授與日本、中國大陸兩地長晶專家的交流與指導;兆晶科技的長晶團隊採用自製的長晶實驗機臺,經過無數次三英寸鉭酸鋰拉晶試驗與設計改善,委由國外廠商改造制式量產機臺費時六個月為兆晶科技製作出第一臺四英寸單晶爐。By using 5000kn pressure - bent testing machine, the specimens of boulder concrete and crushed stone concrete were tested through three - point - bending method and wedge - split tensile method, the scale division of the index dial of pressure - bent testing machine is larger, whereas the predicted test - load is lesser, so the velocity of exerted load is controlled through observing the reading of the multimeter which is connected with the collecting systerm in order to continuously exert test - load
本文使用5000kn壓彎實驗機,對不同強度等級的卵石混凝土和碎石混凝土試件分別進行了三點彎曲試驗和楔入劈拉試驗。試驗過程中,由於實驗機噸位較大,而試驗荷載預計較小,為了能夠有效地控制加載大小和加載速度,採用通過觀察與荷載傳感器相連的萬用表讀數控制加載速度的方法,連續加載。Standard test method for transverse tensile properties of hoop wound polymer matrix composite cylinders
環箍繞制的聚合物基體合成材料圓筒的橫向抗拉性能的標準試驗方法In the beginning, the working principle, testing and data processing system of pdl micro - control material test machine is introduced ; then more attention is paid to the hardware system which is composed of high precision raster linear displacement sensor, high precision force sensor, the digital displaying sets, the interface equipments and the controlling circuits etc to perform the data collection and ensure the testing precision of the whole system
論文首先介紹了pdl材料拉伸試驗機的工作原理、測試及數據處理系統;接著詳細介紹了由高精度光柵線位移傳感器和壓力傳感器、數顯裝置、介面裝置及控制電路等組成的新的硬體系統,來完成數據採集,並保證整個系統的測試精度要求。Additionally, modal parameters are tested under different prestressed forces and during the course of the lose of prestressed forces. finally, different vibration conditions, such as different rigidity of the hammer and different forces, are also studied
另外通過振動測試,對預應力梁在不同的張拉控制應力下、預應力損失過程、不同激勵條件下構件的實測模態參數的變化規律進行了試驗研究。Standard practice for preparing tension test specimens for copper alloy sand, permanent mold, centrifugal, and continuous castings
砂型鑄造硬模鑄造離心鑄造和連續鑄造銅合金鑄件抗拉試驗用試樣制備的標準實施規范By forecasting the length of the elastic rope with linear regression anslysis, test vehicle ' s speed can be controlled acctrately
用線性回歸統計的方法預測橡皮繩拉伸長度,精確地控制了開環狀態的試驗車的碰撞速度。This article performed an application of such means as modern test technology, computer processing system, serial ports communication and electrohydraulic proportional control technology to reform the sheetmetal combined testing machine, so that the stretching force, clamping force and the stretching length can be tested and controlled by the computer system, which greatly improved the stability and testing precision of the testing machine
摘要通過應用現代測量、微處理、串口通信、電液比例控制等技術,對自行研製的鈑金綜合試驗機進行了改造,實現了對拉伸力、夾緊壓力和拉伸長度的計算機數據採集和控制,大大提高了原系統穩定性和測試精度。Theoretical models were used to predict the effects of microcrack - density to effective tensile modulus of cf / ep laminates for long - term duration exposure for it difficult to get from tests. a uniaxial zero - expansion model was established based on the analysis of thermal stress and the coefficient of thermal expansion of the laminates
由於受到試驗周期的限制,對于長期暴露于空間環境中的層合板材料,其有效拉伸模量很難用試驗方法直接測量,本文採用理論模型進行分析。Servo control computer system / microcomputer universal testing machines, ozone tester, compression flexometer, computer hdt / vicat tester, digital impact tester, melt flow indexer, moving die rheometer, mooney viscometer, lamination of pvc plastic press tester
伺服控制電腦系統微電腦式拉力試驗機,耐臭氧機,橡膠壓縮生熱試驗機,塑料用維卡熱變形,數位沖擊試驗機,塑膠熔體流動速率機,無轉子密閉膜腔硫化儀,門尼黏度試驗機等等。Specification for test pieces and test methods for metallic materials - tensile tests - uninterrupted creep and rupture tests - metric units
金屬材料試樣和試驗方法規范.第1部分:拉伸試驗.第3節:不間斷蠕變試驗和蠕變斷裂試驗.米制單位Used for measure tensile breakage strength and elongation of various cotton, wool, ramie, silk and chemical fiber ect. the meter is controlled by pc computer, be meet the requirement in
用於測定各種棉、毛、麻、絲、化纖等機織物的抗拉斷裂強力和斷裂伸長,儀器用pc機控制試驗,數據由印表機輸出,根據用戶要求,也可測定撕破,剝離及頂破強力。Specification for test pieces and test methods for metallic materials - tensile tests - tensile tests - elevated temperature - metric units
金屬材料試樣和試驗方法規范.第1部分:拉伸試驗.第2節:高溫拉伸試驗.米制單位The constitutive equations were gained by regression analysis and some material constants were derived from that with the aid of om, x - ray, sem and tem, the deformation structure of the mid - strength weldable 1420aluminum - lithium alloy on different hot deformation conditions was studied and the soften mechanism was discussed. at the same time, the fracture behavior has been studied as an important part. the fracture mechanism of 1420 aluminum - lithium alloy was confirmed
結合金相顯微鏡、 x -射線衍射、掃描電鏡、透射電鏡等現代化的試驗手段,研究了中強可焊1420鋁鋰合金熱變形不同變形條件下的組織變化及軟化機制,分析了不同變形條件對合金材料組織變化的影響,確定了合金材料的軟化行為機理;同時,結合合金材料的熱變形高溫拉伸試驗,重點研究了材料的斷裂行為,分析了合金材料的斷裂現象,探討了合金材料的斷裂機理。From an examination of the tensile behavior of cz ly12 alloys under different temperature and strain rate, two kinds of deformation and intergranular fracture behaviors were observed that were opposite to the characteristic strain rate range in fine - grained superplasticity. the mechanisms are described as follows. the high ductility achieved at high strain rate is generally attributed to the dominant role of gbs accommodating mechanisms, which is considered as dislocation creep within grains controlled by subgrains
研究選用自然時效淬火態的ly12鋁合金,進行了一系列不同溫度和應變速率下的單軸拉伸試驗, 480下,觀察到與傳統細晶超塑性特徵區間相反的行為:較高應變速率下,動態再結晶使晶粒細化,促進了晶界滑移,亞晶界控制的晶內位錯蠕變是晶界滑移的主要協調機制。Andhra pradesh agricultural university, hyderabad : the objective is to evaluate factors for yield maximization in rice - groundnut cropping system
安德拉邦農業大學(海德拉巴) :試驗目標是評價稻-花生耕作制下達到最高產量的因素。Bearing capacity and displacement are two main problems in the application of geotechnical engineering. based on a series of pull - out tests using three kinds of paper and a sort of window screening as geogrid, twenty - seven in limit and several in working - stress geogrid - reinforced slope model tests designed through orthogonal principle have been conducted to have obtained the relationship between the bearing capacity and four factors ( i. e. reinforcement, angle of reinforced slope, the designed - length of reinforcement and the distance between layers of reinforcement ). the law of slope lateral ( horizontal ) displacement versus to the height of slope vary with external - load was derived from the model test data, and the main factor affecting the lateral and vertical displacement of geogrid - reinforced slope was obtained through analysis
承載力(強度)和變形是巖土工程應用領域的兩大主要問題,本文以紙和窗紗布模擬加筋土邊坡的土工格柵,在一系列拉拔試驗的基礎上,以正交設計理論分別安排27個極限應力狀態和若干個工作應力狀態加筋土邊坡模型試驗,並以模型試驗獲得的數據為依據,採用誤差、極差及回歸分析方法,探討了加筋土邊坡承載力與筋類、筋長、層間距、坡角4因素的相關關系,獲得了在外荷載作用下加筋土邊坡的側向位移隨坡高的變化規律(並進行了定性解釋)和坡頂的豎向位移特性,並分析其主要控制因素。Therefore, tension tests of geogrids, pull - out tests between geogrids and expansive soils or sands, the related geotechical tests of soil " s properties, and model tests of soft ground improvement, were carried out for obtaining the engineering properties, quality index of geogrids, interaction parameters of friction characteristics between reinforcement and soils, and the affecting degree of factors influencing the lateral displacement ( pile ) rate during the construction of embankment filling with ( residual ) settlement considered restrictively
本文以國內外大量研究成果為基礎,集中力量開展控制變形的特種土作填料的物理改良技術和加筋墊層在控制沉降軟基處理的作用研究,其核心是筋土界面相互作用關系。為此,進行了為確定土工格柵工程特性和尋找質量控制指標的拉伸試驗、筋土界面設計參數合理獲取的拉拔試驗及其配套土工試驗、軟基上路堤填築過程中坡腳的側向位移及其速率的影響因素的室內模擬試驗。分享友人