點缺陷試驗 的英文怎麼說

中文拼音 [diǎnquēxiànshìyàn]
點缺陷試驗 英文
bit defect test
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • : Ⅰ動詞1 (缺乏; 短少) be short of; lack 2 (殘缺) be missing; be incomplete 3 (該到而未到) be ...
  • : Ⅰ名詞1 (陷阱) pitfall; trap2 (缺點) defect; deficiency Ⅱ動詞1 (掉進) get stuck or bogged do...
  • : 名詞(古代占卜用的器具) astrolabe
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 缺陷 : defect; fault; faultiness; vitium; lesion; flaw; disorder; imperfection; drawback; blemish
  • 試驗 : trial; experiment; test
  1. Analysis of experimental data indicates that there exist several following problems during the whole operation : first, the emission is serious and the density of hc and co smoke is very high at on and off period. second, there is oil dripping from the dripping vitta as a result of the fault of ignition system and combustion structure. the last, there might be accidents of disabled ignition resulted from the improper operation at the beginning

    通過對樣機的分析和研究表明,汽車空氣燃油加熱器在整個工作過程中,其排放存在以下三個問題:一、開機和關機兩個階段的排放問題嚴重,廢氣中hc和co的濃度值及煙度測量值都很高;二、因火系統和燃燒結構的而導致開機后一段時間內有油滴從滴油管滴落;三、在火過程中,會出現因操作不當而火失效的現象。
  2. Based on that penetration depth of eddy current is theoretically different for different operationalfrequency, the flaw depth quantitive measurement method based on the characteristicalfrequency was expounded. to find the best testing model and position, it analysed and discussedthe factors which effected measurement. the mathematic relationship between the specialfrequencyand flaw depth was established to realize the accureate measurement of flaw depth. it primarily researched the technology of alternating current magnetic field leakage testing ( ac - mfl ) in our country

    在利用頻率掃描技術的基礎上,提出了基於拐頻率的渦流檢測深度測量方法,對影響測量的多種因素進行了分析和實研究,得到了最佳的測位置和測方法,建立了拐頻率和深度的定量關系,為深度的測量提供了新的途徑。
  3. Based on the analysis about the test requirements and the saturated magnetization of the armor plate, the excitation magnetic circuit satisfying the testing condition and a validation system are designed. because the geometric, of the magnetic leakage at the direction of the normal of the roundness fault has the feature of two peaks : a positive and a negative, using the linear regression and the software matlab, two regression equation are proposed : one is about the peak value of the magnetic leakage and the diameter and depth of the roundness fault ; the other is the distance between the two peaks and the diameter of the roundness fault. the result of the validation system proves that the two equations are valid, and an applied method using for quantificationally inspecting the roundness faults is proposed according to the two equations

    根據實要求,通過對鋼板達到飽和磁化的必要性進行的分析,設計了符合條件的勵磁磁路,並設計了一套實證系統;根據圓形法線分量漏磁場幾何圖形正負雙峰值的特,採用線性回歸擬合的原理和matlab軟體及其統計工具箱中的相關函數,給出了圓形漏磁場幾何圖形的峰峰值與圓形的直徑和深度以及峰峰值間距與圓形直徑的兩個回歸擬合方程,並通過實證系統證了擬合方程的正確性,利用這兩個簡單實用的擬合方程,提出了一種工程定量檢測圓形的應用方案。
  4. At first, through the thermal analysis of chana sc6350 ac system, this paper clearly defines the main problems which need to be conquered emphatically. on the base, a series of test research on the optimizing disposition of the ac system has been done, and a large number of valuable data have been obtained, so that, the improving method of the ac system has been determined. in addition, the improving heat preservation measures have been researched comprehensively, by the ac environment imitating test, it was proved that these measures were very useful to strengthen the refrigerating effect and improve the riding comfort

    本文首先通過對長安牌sc6350微型客車空調系統進行了有關的理論計算,找到了該車型空調系統存在的根本,明確了需重解決的問題,在此基礎上,進行了一系列的空調系統優化配置的研究,獲得了大量有用的數據,確定了該車型空調系統的改進方案。此外,對整車的保溫隔熱措施進行了全方位的改進研究,通過環境模擬表明,這些改進措施對增強製冷降溫能力、改善乘坐舒適性具有明顯的效果。
  5. Main research contents and achievements of this thesis is as follows : l. this paper carries through particular test and analysis to the basic physical - chemical properties of gaojiawang palygorskite, an environmental mineral fibre, by xay, ir, tem, sem etc. this paper has also discoursed upon the development appliance research status in quo and directions of palygorskite. 2. according to the preceding surface modification research achievements to nonmetal mineral materials, the author combines the self characteristics of palygorskite such as the ratio of length and diameter, typical nano - rank particle diameter, big ratio surface area, well - developed crystal growth imperfection and lattice defect etc. the author also designs organising modification ortho - experimentation of palygorskite by adopting iso - propyl alcohol as thinner of wd - 51 and ndz - 401, and acquires the best craft parameters and craft conditions for gaojiawang palygorskite original ore organising modification, namely : wd - 51 concentration 1. 6 % ( wt % ), modification temperature 120 ?, and modification time 60 mins ; ndz - 401 concentration 2. 0 % ( wt % ), c modification temperature 120, modification time 80 mins

    在前人對非金屬礦物材料表面改性的基礎上,結合環境礦物纖維?坡縷石自身的特(如:長徑比、典型的納米粒徑、大比表面積、發育的晶體生長和晶格等) ,通過對坡縷石有機化改性設計正交,採用( ch _ 3 ) _ 2choh作為稀釋劑,獲得了採用wd - 51和ndz - 401對高家窪坡縷石原礦進行有機化改性的最佳工藝參數和工藝條件,分別為: wd - 51的濃度為1 . 6 ( wt ) ,改性溫度為120 ,改性時間為60min ; ndz - 401的濃度為2 . 0 ( wt ) ,改性溫度為120 ,改性時間為80min 。
  6. Secondly, two carbon fiber reinforced composite beams were fabricated, and their modal frequencies were measured by an experiment method. thirdly, delaminations were modeled by pairs of nodes with the same coordinates but different node numbers, while the modal frequencies of these beams with different delamination location and size were computed by an eas piezoelectric solid element. moreover, a novel method combining computational mechanics and neural network was demonstrated for composite health monitoring ; the first five flexure modal frequencies obtained by fem were modified by a primary revising approach and were used to train the neural network

    本文較全面地評述了神經網路的應用模型、改進演算法等,編制了bp神經網路程序:制備了纖維增強復合材料件,並進行實模態分析;利用坐標相同、節號不同的方法模擬脫層損傷,基於eas列式的壓電固體單元計算了不同脫層損傷情況下的頻率信息;針對基於實數據訓練神經網路存在樣本不足的,本文提出了利用有限元方法對含有脫層損傷的復合材料件進行數值模擬,以前五階彎曲模態頻率構建訓練樣本的新思路,並提出了一種初步的計算值修正方法,以此構建神經網路的訓練樣本:將實模態分析的結果送入訓練好的神經網路進行預測,實現了對復合材料梁的脫層損傷的定位和損傷程度的評估。
  7. Answer : preparative job includes : understands workplace one, the moving circumstance of 2 equipment, this job has with moving equipment without direct connection, have the job that cooperates without need with other team and group ; makes working priority discipline and the blemish that prepare to solve and weak point ; the staff member makes clear to divide the work and be familiar with the concerned data such as blueprint and test gauge cheng ; should be had the blueprint that agrees with actual state, record that examines last, newest rectify spare parts of the instrument that decides requisition, test gauge cheng, qualification, machine parts or tools kept in reserve, tool and join lead to wait ; is a few righter important equipment, especially complex protector or couplet jumps loop protector, should weave test program, working controller should fill in ticket of protection safety precaution, examine and approve via technical chief, just can carry out

    答:預備的工作包括:了解工作地一、二次設備的運行情況,本工作與運行設備有無直接聯系,與其他班組有無需要配合的工作;制定工作重項目及預備解決的和薄弱環節;工作人員明確分工並熟悉圖紙與檢規程等有關資料;應具備與實際狀況一致的圖紙、上次檢的記錄、最新整定通知單、檢規程、合格的儀器、備品備件、工具和連接導線等;對一些重要設備,非凡是復雜保護裝置或有聯跳迴路保護裝置,應編制方案,工作負責人應填寫繼電保護安全措施票,並經技術負責人審批,方能實施。
  8. Combined with the research project of the advanced performance of wire rope in the port cranes, a key technological problem of the ministry of communications, this dissertation investigated the stress - effect on the magnetic flux leakage ( mfl ) of wire ropes and the law of the mfl signal changes during wire rope fatigue testing by experiments and modern signal processing methods based on the ferromagnetic theory, being aimed at the present problems of current wire rope testing technology. the characteristic parameters and quantitative descriptive specifications for wire rope defective signal were analyzed in detail. this dissertation present a novel method of quantitatively evaluating locate faults ( lf )

    本文結合交通部重科技項目「港口起重機鋼絲繩傳動件的高性能技術研究」 ,針對當前鋼絲繩電磁檢測技術中所存在的問題,以鐵磁學為理論基礎,以和現代數字信號處理技術為手段,對鋼絲繩漏磁信號的應力效應、鋼絲繩疲勞損傷歷程中的漏磁信號變化規律做了深入的研究,對鋼絲繩信號的特徵參數和的定量描述指標做了詳細的分析,提出了一種局部的定量逼近方法。
  9. Serious piles are discussed with the nondestructive - detecting theory in this paper, what ' s more, the satisfactory result by comparing test of large - proportion model pile

    分析了各類樁振動波形的特,並且通過大比例模型樁和工程樁對比,得到較滿意的結果。
  10. The working principle of pulsed eddy current ( pec ) nondestructive testing technology is analyzed, the pec testing system was been established to examined the specimen of multi - layered aircraft structure, peak and zero - crossing time of the time domain transient response signal of pec are extracted as the features to detect the corrosion in the second layer of aircraft structure quantificationally, the experiment results are consistent with that of the theory analysis, as the pec have the advantages of fast speed and quantification, this makes the method have the broad using foreground in the testing of aircraft structure corrosion

    摘要對脈沖渦流無損檢測技術的工作原理進行了分析,建立了脈沖渦流的檢測系統對加工的模擬飛機多層結構的件進行了測,提取其時域瞬態感應信號的峰值和過零時間作為特徵量,對出現在飛機多層結構第二層中的腐蝕進行了定量檢測,結果和理論分析相一致,證明了脈沖渦流檢測方法的有效性,由於其具有快速和定量化的優因而在飛機結構的腐蝕檢測中具有廣闊的應用前景。
  11. We used the method of experiment to change the cavity volume of muffler to improve extinction character and resonance vibration of gas column and to reduce noise of compressor. and the method has characteristics of simple and high speed and reduce defects of common metheods. using four - load method to analyze mufflers, the dissertation designs new

    提出了對滾動轉子壓縮機消聲器採用填充粘土實湊的方法改變消聲器結構,進而改變壓縮機消聲器消聲特性,降低壓縮機排氣噪聲,該測評價方法具有簡易性和速度快的特,減少了常用方法的
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