超常試驗 的英文怎麼說
中文拼音 [chāochángshìyàn]
超常試驗
英文
exagerated test-
Theory and experiments of bulk - wave acousto - electro - optical ( aeo ) device, involving one - dimension and multi - dimension, are systematically studied. the thesis includes the following contents : coupled - wave equation theory of aeo interaction, determination of the optimum operating mode of aeo device, geometrical relationships of the anisotropic acousto - optic interaction, design and experiment of the aeo device. finally, the optimum design of ao device with beam steering theory is also studied
論文主要研究內容包括:一維和多維聲電光效應的耦合波方程及其衍射效率計算公式的建立、一維和多維聲電光器件最佳工作模式的選擇、聲電光晶體反常聲光互作用幾何關系的計算、 ln一維反常聲電光器件和kdp二維反常聲電光器件的設計製作以及實驗測試、正常與反常超聲跟蹤聲光偏轉器的優化設計。The author has done much research work in examining the functions of raw materials, as well as making graph analysis of the raw material. as a result, achievement have been made : ( 1 ) making sure of the standard factor and t he best mixture proportion, ( 2 ) finding out the best way of measuring the index of the high performance concrete, ( 3 ) the endurance of this high performance concrete and the volume stability have been experimented ; ( 4 ) the great economic and social benifit are obtained by cost analysis
其主要工作進行了各種原材料的性能檢驗並做出相應圖表分析;對摻超細礦渣粉末的高性能混凝土進行正交試驗,確定了主要水平因子和最佳配合比;通過對高性能混凝土的耐久性試驗及高性能混凝土的體積穩定性試驗,確定檢測高性能混凝土耐久性指標的最佳方法及高性能混凝土的熱脹冷縮率和體積穩定性;通過對高性能混凝土的成本分析,確定摻超細礦渣粉的高性能混凝土其經濟效益和社會效益非常顯著。Abstract : this paper uses the supersonics wave inspecting method for judging the damage degree of fire hazard tunnel lining, and puts forward the correlation of concrete supersonics wave speed with relative physics and mechanical properties through test, and gives evaluation and suggestion about conventional supersonics wave inspecting method used in fire hazard tunnel
文摘:將超聲波檢測法應用於隧道火災后的初砌損傷評定,通過試驗研究給出了砼超聲波速與砼有關物理力學性能的關系,並對超聲波檢測常規方法在隧道襯砌火損后的應用給出了評價。The experiments show that ultrasonic motors can operate under vacuum condition, but the performance is different from that under general condition, its unloaded speed decreases significantly, while the stall - torque increases a bit
試驗結果表明,超聲電機可以在真空環境下工作,但性能較常態環境下有所變化,其空載轉速明顯下降,堵轉力矩有所增大。As we know, overspeed protection system is one of main protection of steam turbine sets. base on the standing order, we must do oil filler test regularly, but the oil filler test of the emergency stop system, which made by shanghai turbine company ltd., is often fails in stroke
超速保護系統是汽機主要保護之一,根據規程規定,要定期進行注油試驗以驗證超速保護的可靠性,但上海汽輪機廠所產的危急遮斷器在注油試驗中經常拒動,導致在運行中無法進行注油試驗,無法驗證超速保護系統的可靠性。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。Echocardiograms are not appropriate as screening tests but are useful for evaluating suspected abnormalities of the heart valves or reduced overall heart function
超聲波心動圖不宜作為一種篩檢試驗手段,但作為評估心瓣膜疑似反常或心臟功能衰減之手段,它仍有利用價值。Technology of non - damage test for concrete intensity is extensively applied in project testing, as a precise and direct approach. accordingly, the test in this essay makes use of average concrete samples made up of commo - n raw material in boutou, and adopt comprehensive method of ultrasonic elasticity to test the concrete used within one year in boutou. through the regression analysis, we get the regression equation of anti - intensity of these two materials under the given conditions. according to the result, we establish the accurate curve line for comprehensive method of ultrasonic elasticity and provide practiced and non - damage testing approach and calculating method for concrete intensity test and reference for testing staff concerned
混凝土強度無損檢測技術作為一種簡便快捷準確的測強技術在工程檢測中得到了廣泛的應用,鑒於此,本次試驗通過採用包頭地區常見原材料製成的一定批量常見齡期的不同種類(指混凝土試塊中的粗骨料、混凝土強度等級不同)普通混凝土標準試塊,採用回彈?超聲綜合法對包頭地區齡期不超過一年的現場混凝土進行了大量的試驗,並利用回歸分析,給出兩種骨料混凝土在相應測強條件下的立方體抗壓強度回歸方程,根據實驗結果建立包頭地區精度較高的混凝土回彈?超聲綜合法基準測強曲線,為實際工程的混凝土現有強度評定提供簡單易行的無損測試方法和計算方法,供有關檢測人員參考使用。The results of simulation and experiments show that phcc system achieves a better tracking performance of typical signals than conventional pneumatic servo system, also realizes location without overshoot as well as higher position stiffness and accuracy
模擬和試驗結果表明,氣液聯控伺服系統的正弦信號跟蹤能力、低速性能均高於常規氣壓伺服系統,系統可實現無超調定位,且具有較高的位置剛度和精度。3. the parallel experiment proved that the water quality of microflocculation - uf progress is the best, and water quality of direct uf progress is the worst. turbidity and pathogens are removed efficiently by uf
3 .微絮凝-超濾、直接超濾、常規工藝的平行對比試驗證明:微絮凝-超濾工藝的出水水質最好,直接超濾工藝最差。Standard test method for laboratory determination of pulse velocities and ultrasonic elastic constants of rock
實驗室測定巖石的脈沖速度和超聲波彈性常數的標準試驗方法Adequate k - nutrition resulted in early maturity, maximum yields of nearly 25 mt ffb per ha in a fertilizer experiment and cumulative yield increases of more than 50 % after 6 years of planting in areas of commercial scale when compared with " normal " areas ( = inadequately supplied with k )
肥料試驗結果顯示,足量鉀肥可促使早熟、最高產量每公頃鮮果串近25噸,在大面積種植條件下,六年累計比對照「常規」地塊(鉀不充足)增產超過50 % 。In six elbows rotated beyond the normal range, the same results appeared in four elbows
6側扭轉試驗的標本,在旋轉超過正常范圍時,有4側發生了脫位或半脫位。The underground tests show that the deformation and roof delamination of roadway surrounding rock can be effectively reduced by means of great increase of the bolt pretensioned stress, the steel strip plays an important role in the rock bolting system, and there exsits a critical value for pretensioned stress, up to or beyond which the rock bolting can effectively control the deformation and damage of the surrounding rock
井下試驗表明,大幅度提高錨桿預應力可顯著減小巷道圍巖變形,有效控制頂板離層;鋼帶在預應力支護系統中起非常重要的作用;錨桿預應力存在臨界值,達到或超過臨界值后錨桿支護可有效控制圍巖變形與破壞。Abstract : a method was put forward for the detection of the fatigue cracks at the thread roots of a drill pipe by using ultrasonic wave. the specific detection probes were designed. simulated cracks were detected. the results show that the probes can effectively detect the cracks whose depth is more than 1mm and the detection errors of the depth and length of the cracks are less than 1mm and 3mm respectively
文摘:鉆桿螺紋根部疲勞裂紋是鉆桿鉆井服役中產生的常見缺陷類型,是鉆桿螺紋發生斷裂的重要根源.本文介紹了鉆桿螺紋疲勞裂紋超聲檢測原理,設計了專用超聲檢測探頭和檢測裝置,給出了檢測試驗結果,證明了鉆桿螺紋疲勞裂紋超聲檢測的可行性和實用性分享友人