力值量測 的英文怎麼說
中文拼音 [lìzhíliángcè]
力值量測
英文
force measurement-
In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test
然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討,提出了考慮地基變形的地基承載力上程計算方法;對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平面問題)的界限荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作,本文以截頭錐模型模擬地基,對地基(巖基)承載力的動測法進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論;本文作者根據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具有實用、簡便、穩定及安個等優點。It shows that information function can more accurately evaluate the quality of items and test and the ability of examinees than ctt does, so it has more strong guidance in editing test
研究結論表明:信息函數較經典測量理論能更精確地評價項目質量、測驗質量及被試能力水平,因而對測驗及學生能力水平的評價更科學,同時對測驗的編制有更強的指導作用,值得推廣。The box beam ' s temperature stress of longitudinal direction and transverse direction with different conformation are analyzed, it finds that there is largish temperature tensile stress in the bottom of top deck and the haunch of box beam increase temperature tensile stress in the bottom of top deck. the paper makes a study of different thermal effects resulted from several kinds of closed rigid frame
根據大量實測溫度場結果建議採用一個有利於理論推導的指數函數的公式來擬和箱梁體內的溫差分佈,既貼近實測數值,計算又比較簡單;通過對空腹式剛架拱橋尤溪洲大橋所在地夏季、秋季、冬季的溫度場及溫度應力的實測,以及與本文所提出計算方法的理論解進行的分析比較,證實了本文計算方法的正確,同時改進了已往混凝土箱梁溫度自應力的計算方法。During deliverability test, flow rate changes from small to big and we can obtain a series of flow pressures, including pressures above saturation pressure and below it, moreover, various physical characters can be obtained by experiments
進行產能測試時,流量從小到大取得一系列穩定的流動壓力值,有大於和小於飽和壓力的測點。( 2 ) taking the geology analysis as main way and combining the pre - test, predicating the tunnel ' s main geology condition ( rock quality, surrounding rock classification, long - wide joint, fault, ground water, crustal stress ), and predicating the main potential disaster ( collapse, breaking water, rockburst, large deformation ) ( 3 ) employing the stress test result and inverse analysis of the stress field, finding out the crustal stress " s distributing rule along the tunnel axes section : the highest crustal stress is 24mpa near the deepest spot, and predicting that the k2 + 260 ~ k3 + 000 likely to be the high crustal stress segment for this tunnel
通過地質分析、類比分析、監控量測、數值模擬、神經網路等方法,對鷓鴣山隧道潛在的主要地質災害(塌方、涌水、巖爆和大變形)進行了預測預報( 3 )在現場地應力測試成果的基礎上,運用數值計算進行應力場反演,基本查明了沿隧道軸線剖面的地應力分佈規律:地應力量級在最大埋深附近達到最大值24mpa ,並預測k2 + 260 k3 + 000段將很可能成為鷓鴣山隧道的高地應力段。 ( 4 )塌方往往與斷層破碎帶及千枚巖相聯系。The sputtered thin film strain gauge technology provides excellent stability and a high burst pressure rating
濺射薄膜應變測量技術為我們提供了良好的穩定性和很高的破壞額定壓力值。To adapt the circumstance in which the crankshaft torsional vibration generally exists, the new method ( tvrs method ) in which the cylinder power is inversely solved according to the torsional vibration curve is put forward and deduced in this paper, that is, the average effective pressure of each cylinder i. e. power condition of each cylinder is estimated based on a crankshaft torsional vibration curve according to the elasticity model of the actual shafting of engine and by use of the i. c. engine dynamics, the numerical calculations and the signal theory etc. although the computing workload is more, the method makes full use of the now available data of the torsional vibration of the i. c. engine, and can be used to all kinds of i. c. engine on any kind of operating condition, so it has higher application value
為適應內燃機普遍存在曲軸扭振的情況,本文提出並推導了利用扭振信號反算的新方法( tvrs法) ,即採用軸系中某一測點的扭轉振動信號,按軸系實際的彈性模型,依據內燃機動力學、數值計算方法和信號理論等,反算各缸的平均有效壓力,定量判斷各缸的作功狀況。此法充分利用內燃機現有的扭振資料,雖然計算工作量較大,但普遍適用於各種類型各種工況的內燃機,有較高的實用價值。Based on an analysis of the sources of errors in airborne gravity measurements, an error model is studied to constructed mathematically which can characterize the change of systematic errors, with which the network adjustment is carried out and the model parameters are determined simultaneously. and finally, the compensation of systematic errors is realized
航空重力測量測線網平差就是在分析、總結航空重力測量的主要誤差源基礎上,研究建立反映航空重力觀測系統誤差變化規律的誤差模型,根據交叉點不符值條件,平差求解各測線上重力觀測值系統誤差改正數,然後對各測線上所有重力觀測值進行改正(補償) 。Starch hydrolysis products. determination of reducing power and dextrose equivalent. lane and eynon constant titre method
水解澱粉製品.還原能力和葡萄糖值的測定.萊恩和埃諾常量滴定法It can rescue the patients who eat any kind of mistake food or medicine. this machine can display the numerical value of pressure, ph, flux, and give the alarm of sound or light alarm. it can complete to wash the stomach process automatically, according to the demand and also can operate artificially, increasing the successful rate for rescuing of the patients
該機器在醫院里用於清洗胃內毒物,搶救各種誤食藥物或者食物中毒的病人,該機具有顯示壓力、流量、 ph值等測量結果及其多種聲光報警,增加了儀器的安全性,能按要求自動完成清胃過程,也可人工操作,增加了搶救病人的成功率。Currently sewage in sewage pumping station system is pumped manually. so the station is working in low water level and energy is consumed. this mode ca n ' t predict the inflow ' s changing
當前污水泵站排放系統主要採用人工值守方式排水,低水位高揚程耗能嚴重,且缺乏預測能力,流量洪峰來臨時易產生污水溢出污染。So this paper tries to solve these problems through the following work : first, we select some index to valuate the close - end funds, including income, stability, risk in falling, stocks selecting ability and tuning ability, based on overseas funds valuation methods and domestic market condition ; second, we analyze the stability of all index and form two styles index, which are f and other bad stability index ; then, we form the valuation system, including two - layers index, which are p and factor score ; last, we use this system to analyze the close - end funds which came into existence before 2000 and get the final comparative result. the main intention of this paper is to create the system of valuating close - end funds in our country, which is comprehensive and objective. in my valuation system involving the period from 2000 to 2003, the funds as a whole performs inferior to the stock index
首先,對國外理論界經典成型的、以及前沿的基金評價指標和評價方法進行了詳細的分析,並結合我國的基金市場狀況,選取了可以衡量基金收益、穩定性、下跌風險、股票選擇能力、時機選擇能力等量化指標;其次,根據我國基金分析的需要,採用了諸如基金交易價格、換手率等二級市場表現指標;然後,對這些指標進行了時間延續性分析,檢測這些指標在運用到我國基金市場時能否有效預測基金未來表現,從而形成了兩類指標:時間延續性很好的s _ p和時間延續性不好的其它所有指標;再次,在以上工作的基礎上形成了由兩個層面的指標構成的我國證券投資基金評價體系: s _ p和因子分析中綜合因子得分值;最後,選取了我國2000年1月1日前成立的23隻封閉式基金作為樣本,並同時採用上證a股與深成a股兩個基準組合進行了3年樣本期的實證分析,得出了最終的比較性評價結果。A portable wind cable can be measured in a variety of circumstances, not by the winds of change cable circumstances measuring wind cable tension ; both of arbitrary moment of absolute tension cable wind, the wind can monitor cable tension variation ; construction equipment to the wild environment ; lightweight structures, the demolition convenient, simple measurement ; the intelligent measurement mode, can provide a wide range of choices rope specifications directly measured wind cable tension that the absolute need for conversion, and misoperation automatic alarm functions, measurement more convenient, direct, accurate and high degree of automation
一種便攜式纜風測力器可在各種施工環境下,在不改變纜風受力的情況下測量纜風張力;既能測量任意時刻纜風張力的絕對值,又可監測纜風的張力變化;裝置適應野外施工環境;結構輕巧、安拆方便、測量簡捷;在智能化測量模式下,能夠提供多種鋼絲繩規格的選擇,直接顯示被測纜風張力的絕對值,無需換算,並有誤操作自動報警功能,測量更加方便、直接、準確,自動化程度高。Gravity instruments are designed to measure variation in the force of gravity from one place to another rather than the absolute force itself.
重力儀的設計是為了測量一處到另一處的重力變化,而不是絕對重力值本身。Then build in and run the apparatus. based on the function keys on the panel of apparams to seiect the keys and measure the value of shearing strength and through the windows display the va1ue of shearing strength. conclusionsi l
然後把實驗機整機安裝、運行,根據嫩度儀面板上的功能鍵,選擇按鍵,測量不同的剪切力值,通過顯示窗口讀出測量的剪切力值。Depending on how the ground surface is denuded, the feature of the current crustal stress field and rock stress environment can be calculated analyzing the result in this paper : by analyzing the recovering feature of the elastic deformation of the rockmass in unload - stage under various pressures, it has been found there is close relationship between the recovering degree of the elastic deformation of the rockmass and the unloading degree of the pressure the direction of the major principal stress in the crustal stress field is not consistent with the direction of the crushing stress regional tectonics borne during the last tectonic movement. the evolving degree of the regional geomorphology evidently affects the current crustal stress field, which changes from the self - weight stress field to the horizontal stress field, with the changing of the eroding degree of the regional geomorphology ranging from valley area to hilly country to flat country. in valley area, where there is two stress belts, the bankslope s tress belt and the self - weight stress belt within the mountain. the direction of the major principal stress is nearly parallel to the ground surface and inclines towards the valley in the bankslope stress belt. it is nearly vertical in the self - weight stress belt
通過本文的研究成果,根據區域性地貌的演化特徵,我們可以大致地對現今地應力場進行判斷:在分級卸荷條件下,巖體中彈性變形的恢復具有明顯的規律性,這種規律對于研究地應力場的演變是有幫助的;地應力場中最大主應力方向與區域構造形跡在最近的構造運動中所受區域性擠壓應力的方向無明顯的對應性;區域性地貌形態的演化程度對現今地應力場的特徵具明顯的影響,隨著區域性地貌侵蝕程度由峽谷區、丘陵區、平原區的變化,現今地應力場特徵由自重應力場、水平應力場為主含少量自重應力場特徵向水平應力場的規律變化;在峽谷區,山體中具有兩個應力帶:自重應力帶和卸荷應力帶,最大主應力方向在卸荷應力帶中近平行於坡面並傾向于河谷、在自重應力帶中近於直立;根據原始地面遭剝蝕的程度,可以大致地估算最大主應力和中間主應力的量值和方向;在丘陵區和平原區,最大主應力的方向近於水平,並與附近區域性侵蝕盆地和河流的展布方向基本平行,根據原始地面遭剝蝕的程度,可以大致估算其最大主應力的量值;根據區域性地貌形態的特徵來分析工程區的現今地應力場特徵,並進而大致了解巖石的應力環境,這種分析方法得出的結論與許多實際的地應力測試成果基本一致,對于大型水電工程地下廠房和壓力隧洞的設計是有所幫助的。By means of the echo auto - searching algorithm, the automatization of signal processing is realized. the filter algorithms are given to eliminate electric and pulse noise, the measuring reliability is improved greatly. furthermore, the accuracy of time difference measure is improved greatly by using the correlation algorithm and the wavelet algorithm
提出的自動搜索回波演算法,實現了回波數據處理的自動化;給出的改進滾動去極數字濾波演算法和極值濾波演算法,消除了電噪聲和脈沖噪聲,提高了測量的穩定性;提出的插值相關流量測量演算法、小波包絡壓力測量演算法大大提高了測量的精度。In order to analyze the fluid dynamic characteristic in seawater pipeline system, the test device of fluid dynamic characteristic in seawater pipeline system is set up. in this experiment, the velocity of pressure wave propagation is measured by frequency analysis technique and the measured result is reliable. according to the frequency analysis technique and a basic theory of linear transfer matrix, the pulsation pressure value in pipeline is predicted by the measured values from four pressure transducers
為了分析海水管路系統內流體的動態特性,建立了海水管路系統流體動態特性實驗臺架;在實驗中利用譜分析技術對壓力波傳遞速度進行了測量,測量結果可信;並利用譜分析技術及線性傳遞矩陣基本理論,通過多個壓力傳感器的測量值預測了管路中的脈動壓力值,實驗結果與理論計算之間吻合很好;分析了流體動態特性實驗臺架本身的自循環特性對海水管路系統中脈動壓力測量的影響。The pulse width trigger circuit, trigger delay circuit are discussed. and a new kind of peak detection module which is implemented by verilog hdl in fpga and greatly enhances the performance of catching glitch is discussed in the dissertation. the waveform recorder function accomplished in the scopemeter can test, monitor slow analog signals and record the characteristic value of signals continuously for a long time
本文討論了脈寬觸發電路和觸發釋抑電路的實現,採用veriloghdl在fpga中實現了一種峰值檢測模塊,提高了示波表的毛刺捕捉能力,設計的波形記錄( recorder )功能模塊能夠對輸入的模擬信號進行長時間連續不斷的采樣量化,並記錄波形數據和及時送顯示。In all these 20 specimens, the embedded electronic steel - concrete slip transfer were respectively embedded on the steel shape webs and inside and outside of the flanges at certain intervals along the embedment length to measure the distributions of the interior slip, and the electronic strain gauges were also installed on the shallow grooves of each steel shape web and flanges at close intervals along the length to measure the distributions of the steel shape web and flanges strain, from which the distributions of bond stress were obtained. with these methods of measuring the distributions of slip and bond stresses, the establishment of the bond - slip constitutive relations were ensured
用力的平衡方程,得到推出試驗中型鋼混凝土粘結應力的大小及其分佈規律;根據鋼一混凝土電子滑移傳感器的滑移量測結果,分析了沿型鋼埋置長度的內部滑移分佈規律,並對試驗量測的特徵滑移值進行了統計回歸;根據粘結應力和內部滑移測量結果,得出沿型鋼埋置長度方向上各截面的局部粘結應力一滑移關系曲線,建立了局部粘結滑移本構模型嘆x )一s仁, , … , c , … c 。分享友人