落下試驗 的英文怎麼說
中文拼音 [làxiàshìyàn]
落下試驗
英文
drop test-
To study the flexural behavior, ultimate bearing state and laws of internal force redistribution of prestressed concrete continuous beams cast by different construction methods, the model tests for three pieces of the continuous beams were carride out, in which three kinds of the construction methods, such as those of lowering formwork supports at one time, transferring simply - supported structure into the continuous one and casting the beam by cantilever construction, were considered
摘要為研究不同施工方法下預應力混凝土連續梁的彎曲性能、極限受力狀態及內力重分佈規律，進行了3根連續梁模型試驗，分別考慮一次落架、簡支變連續和懸臂施工3種施工方法。Similar simulated experiment for continuous mining and roof dilapidation of ore body underground
礦體地下連續開采頂板崩落相似模擬試驗Vitreous and porcelain enamels for aluminium - determination of the adhesion of enamels on aluminium under the action of electrolytic solution spall test
鋁搪瓷在電解液作用下鋁上瓷層密著性的測定剝落試驗Standard test method for impact resistance of flat, rigid plastic specimens by means of a falling dart tup or falling mass
用下落投擲法測試平板剛性塑料樣品的抗沖擊性的標準試驗方法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
通過對樣機的試驗分析和研究表明，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、因點火系統和燃燒結構的缺陷而導致開機后一段時間內有油滴從滴油管滴落；三、在點火過程中，會出現因操作不當而點火失效的現象。The research shows that : 1 ) the ductility of the hsc bending members constructed is much greater than 5 ; 2 ) increasing the vertical links and distribution steel can increase the deflection under ultimate moment ; 3 ) with appropriate compressive bars, vertical links and distribution steel the increase of moment after yield and the decrease of moment under ultimate moment can be ignored, so the ductility of the hsc bending member is much larger ; 3 ) the width / depth ratio of hsc bending member has no obvious effect on the ultimate compressive strain of concrete ; 4 ) the method used here to calculate the deflection is applicable ; 5 ) the location of crack coincides with the location of vertical links and distribution steel ; 6 ) the bending property of the hsc structure under the blast load can meet the demand of protective engineering
研究表明：本文研究的梁、板構件的延性比遠大於5 ；增加箍筋（鉤筋、分佈筋）含量，可以提高壓區混凝土剝落時的撓度；在適當的受壓筋、箍筋（鉤筋、分佈筋）含量下，可以忽略壓區混凝土剝落瞬間的承載力下降，從而大大提高構件的延性；受彎構件的寬高比對壓區混凝土極限應變的影響不明顯；受彎構件的裂縫間距受箍筋（鉤筋、分佈筋）的布置影響；文中所用的承載力和變形計算方法是可行的。化爆試驗表明，高強混凝土構件的動載抗彎性能能夠滿足防護結構的要求。With an analysis of soil liquefaction potential for free field of nanjing metro line 1 under 7 degree earthquake, as well as for excavated field, in line with railway engineering anti - earthquake design specification, dynamic triaxial tests and theoretical analysis using efficient stress method, the author comes to the conclusion that, when metro plate is located at layer s and the layer is thick, liquefied area is at metro bottom plate ; in some local section liquefied area is at metro top plate, or arch sides at the top of metro in most places
摘要採用鐵路工程抗震設計規范、動三軸試驗及有效應力的理論分析相結合的方法，對南京地鐵南北線（ 1號線）區間隧道開挖后其地基土在7度地震情況下的土層液化情況進行分析得出：當隧道底板坐落在5層且5層較厚時的液化區出現在隧道襯砌底板處；局部地段液化區出現在隧道頂部及拱腰；大部分地段的液化區出現在隧道頂板上方。Use roller to roll one of end of tape in order to adhere to tescified load on lower end. measure the distance of slide after a certain time. if drop it is time to evaluate tape ' s retention
將膠帶之一端以滾輪輾壓，使之粘于試驗板，一端懸吊規定之重量，經一定之時間后，量測膠帶下滑之距離，如中途掉落，則記錄時間，用以評定膠著保持力So the foundation is set for its practical use. 4 the acting - straight - sorting and dropping plug set is designed, which can solve the sorting plugs unclearly because of the difference between individual plug seedlings, and can raise the punctuality of sorting plug seedlings and the veracity of plug seedling dropping into the lead - plug - seedling - tube, in addition, the working frequency of acting - straight cylinder is calculated by analysis to the movement and strength of the key parts in this system which can accelerate the transplanting rate to 3 plants per second, further more, a lot of operated experiments indicate that the working reliability of this set can be raised under the condition of the proper seedling transplanting speed
4採用直動? ?雙擋銷式分缽落苗系統，不僅解決了因為缽苗個體差異帶來的分缽不清的問題，而且提高了缽苗分缽的準時性和缽苗落入導苗管的準確性；同時，通過對該系統工作過程的主要工作參數的運動和受力情況分析，確定了該系統各直動汽缸的工作頻率，使分缽落苗速度達到3株/秒以上，進一步通過大量試驗對其進行驗證，證明了該系統在滿足栽植速度要求的前提下，可以大大提高了系統的工作可靠性。Kraft paper sacks - method of drop test
牛皮紙袋.下落試驗方法Based on the study of strength degradation of material in the fatigue process, a strength degradation model is proposed. a stochastic differential equation, which controls strength degradation, is obtained from the model randomized by markov process. by using the theory of stochastic, the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained. under a few suitable hypotheses, inverse gaussian distribution of fatigue life is derived, and verified by means of experimental data. the result shows that the model and the method are reasonable
在研究疲勞過程中材料強度退化規律的基礎上，建立了一個強度退化模型.對其進行隨機化處理，得到控制強度退化過程的隨機微分方程.在一定假設條件下，獲得了剩餘強度概率密度函數的封閉解，並推導出疲勞壽命的反高斯分佈形式.給出一種考慮損傷狀態對隨機漲落影響的近似處理方法.與試驗數據的比較結果表明，本文的模型和方法是合理的With computer imitation and laboratory physical analog as the lead and on the basis of test ore blocks and industrial blownoff - ore rock tests, study on the enlarged - structure parameters of sublevel caving in meishan iron mine was carried out, which included single tests of drilling and blasting parameters ， transition sublevels and equipment complementation. the timely popularization of this enlarging structural parameter technique has greatly improved the performances of the sublevel caving mining and promoted the technological advance of underground mining
梅山鐵礦加大無底柱分段崩落法采礦結構參數研究，採用計算機模擬、實驗室物理模擬為先導，試驗礦塊、工業放出體試驗為基礎，分別進行了采場鑿巖爆破參數、過渡分段、設備配套等單項試驗，並在全礦及時進行了推廣應用，極大地改善了礦石開采過程中的各項指標，促進了地下礦山開採的技術進步。As far as the system observation for accuracy evaluation of carrier rocket is concerned, there may exist different types of observed data and priors. heterogeneous information means that the different information describing the different characteristics of the same object. since all of the information is relevant to the same object, the fusion is possible. it is a key problem that how to fuse the heterogeneous information to obtain the better evaluation result. therefore, the different heterogeneous information and data is thoroughly studied, moreover, the mathematical description for information fusion of different parameter priors and data is constructed in this paper. based on their relationship between different parameters, indirect prior and observation data is transformed into prior in impact point observation space, which is fused with original prior by weight determined by maximum entropy rule to obtain the mixed posterior distribution. therefore, the test results can be given by combining posterior distribution and impact error observed data. then its application on evaluating guidance systematic error is elaborated as it applies trajectory tracking data, test value of coefficients of guidance instrumentation systematic error, impact point observation data and prior. especially, the advantage of this method lies in its application in case that guidance instrumentation systematic error may not be computed precisely. finally a detailed example on evaluation of carrier rocket is given to verify the theory
為充分利用運載火箭觀測中的不同觀測空間和過程的信息來進行精度評估，針對該背景建立了異質先驗融合的數學描述.研究了飛行試驗中不同觀測空間和過程的異質先驗信息和數據，基於不同觀測過程的解析關系，將間接過程的先驗和觀測數據算出的后驗分佈轉換成落點觀測空間上的先驗，與原落點的先驗進行了最大熵加權融合，得到混合后驗分佈，從而結合落點觀測數據給出評定結果.在無法解算出精確的制導工具誤差系數的情況下，這種方法充分利用了彈道跟蹤數據、工具誤差系數的地面測試先驗值、落點先驗及落點數據，穩健性更好，準確性更高The usual method is, to find a sub - missile disper firstsion center first from each group data of the sub - missile ' s falling point coordinate, then to estimate the parameters according to a few data of dispersion center using the classical statistic method
通常的方法由每次試驗的子彈落點數據獲得一個子彈散布中心，再由少數的幾個散布中心數據、運用經典的統計方法求散布中心的正態總體分佈參數，其不足之處在於小樣本條件下采偽的概率很高。The game is difficult to master the actual takeoff, to enable the surface of the whereabouts of the moment it is a plank of wood floating over the moment, the player can perhaps several pilot jumping from the press box key, mind a few seconds until the silence fell on top of the water, followed b
游戲的難度在於掌握好起跳的實際，要使得下落到水面的一剎那，剛好是木板漂浮過來的那一刻，玩家可以多多試驗幾次跳躍，從按下空格鍵開始，心裏默默數秒直至落到水面上方，隨后再對應木板的漂浮速度數秒即可。In growth season, computed daily npp has some negative correlation with precipitation and the monthly npp has apparently active correlation with monthly average air temperature. 5. the results of experiment in vegetation growing model show that co2 increasing and its resulting in climate change would make npp of deciduos needleleaf forest in the cold - temperate zone apparently higher
5 ）對co _ 2濃度增加后以及可能產生的氣候變化對植被生長影響的模擬試驗結果表明，落葉針葉林的npp將可能會有明顯提高，但如果只是溫度增加，而降水保持不變的話，生產力水平提高不明顯甚至會出現下降。The test of " xx " underwater to surface missile aiming precision was tested on the sea. under the circumstance there was no reference information about domestic and overseas, the test of the underwater to surface missile aiming precision for the first time was finished on the mobile bedding launching, and filled up field of aiming spacing in our country. the test indicated that total precision of missile aiming system and analysis error of drop into target provided the foundation
基於外測岸標的「 xx 」潛地導彈海上瞄準精度鑒定試驗，它是在無國內外參基於外測岸標的潛地導彈瞄準精度鑒定方法研究外參考資料可借鑒的情況下，我國首次在動基座上進行潛地導彈瞄準精度鑒定試驗，填補了我國在這一領域的試驗方法及試驗技術的空白，取得的試驗結果，對于分析導彈落點誤差及估算導彈組合命中精度提供了依據。Standard test method for strength properties of tissue adhesives in t - peel by tension loading
通過拉伸載荷測定t形剝落狀態下組織粘合劑強度特性的標準試驗方法It is good for research that with hardly any direct investment, hefei xinzhan comprehensive development experimental zone ( hfxz ) obtained a brilliant achievement within 10 years
合肥新站綜合開發試驗區在經濟相對落後，幾乎沒有市政府財政直接投入的情況下，能在十年時間取得較為矚目的建設成績，值得研究。After test charger without packaging material, no electrical function failure and construction damaged are allowed
在充電器未有包裝的情況下，進行落下試驗，充電器電氣功能不可損壞，結構不可破裂。分享友人