爆震點 的英文怎麼說
中文拼音 [bàozhèndiǎn]
爆震點
英文
point of detonation-
Digital temperature transmitter, digital level, explosion - proof electric contact manometer figures generally used manometers, vacuum table, table vacuum pressure, oxygen forms of electric contact manometer, explosion - proof electric contact manometer seismic contact ammonia electricity connections. contact monometers assisted magnetic, seismic, heat - resistance, acid and alkali resistance, chlorine, sulfur - resistant, stainless steel pressure gauge. divide manometer shenyang city, the total, precision manometer, out of the wind pressure gauge, film boxes pressure gauge, diaphragm pressure gauge
主要產品包括：數字壓力表，數字膜盒壓力表，數字溫度表，數字壓力變送器，數字溫度變送器，數字液位計，數字防爆電接點壓力表，一般用壓力表真空表壓力真空表氧氣表電接點壓力表防爆電接點壓力表耐震電接點氨用電接點磁助式電接點壓力表耐震耐高溫耐酸耐堿耐氯耐硫全不銹鋼壓力表隔膜壓力表沈陽市優質產品精密壓力表出風壓力表膜盒壓力表膜片壓力表全不銹鋼膜片壓力表鈦壓力表及出口全不銹鋼，充油全不銹鋼系列壓力表，壓差表，壓力變送器，各種軸向軸向帶邊法蘭連接等多種形式。Firstly, the three main harmful factors " characters and rules, theirs effect on civil house, demolishment criterion and control measure will be researched systemically. secondly, fuzzy mathematics, system arrangement analytical method and expert consultation method are put forward and discussed specially to set up civil house security fuzzy multi - arrangement elevation model, to evaluate blasting harmful factors " effect to neighborhood civil house ' s safety in the construction of express way, to predict the security of civil house and to bring forward control measures. lately, the forecast of the civil houses " safety by using bp neural net model and optimize of the blasting parameters will also be discussed in the dissertation
本文的主要研究工作有：系統地研究了爆破地震、爆破飛石、爆破空氣沖擊波三大有害因素的特徵及規律、對民房的影響、破壞判據和控制措施；提出並重點論述採用模糊數學和系統層次分析法及專家咨詢法建立民房安全性模糊多層次評價模型，對高速公路建設中爆破有害因素對鄰近民房安全進行評價，預測民房安全性，提出控制措施；利用bp神經網路模型對民房安全進行預測，並對爆破參數進行優化。Due to the job location of underground engineering in city are mostly stand in the centre of city, especially these large city in which the landform are complicated, the population are numerous and surrounding buildings are dense, which make the construction more difficult and the earthquake effect by blast may endanger the safety of surrounding environment in projects
由於城市地下工程施工地點多在城市中心地帶，特別是一些大城市的中心地區，地形復雜，人口眾多，周圍建（構）築物密集，在實際的爆破工程中，使得施工難度增大，爆破產生的地震效應可能危及周邊環境的安全。Klsa knock limit spark angle
爆震極限點火提前角In a way, by virtue of the depth and diversity of its financial markets, the us has been fortunate that this has tended on balance to buffer economic instability rather than to exacerbate it witness the financial sectors response to the burst of the technology bubble and the terrorist attacks
不過，在某方面來說，由於美國金融市場既深且廣，所以總括而言能夠發揮緩沖作用，減輕而不是加劇經濟震蕩這一點由金融市場對科技泡?爆破及恐怖襲擊事件的反應可見一斑。Based on the numerical simulation method of finite element, the calculation method of particle vibration velocity, an important index reflecting the blasting vibration intensity, is discussed ; and an comparison analysis of the calculation results between two different kinds of charge structures decked with air and water is made
基於有限元數值模擬方法的基礎上對反映爆破震動強度的重要指標質點振動速度的計算方法進行了探討，並對空氣和水兩種不同間隔裝藥結構下的震動強度計算結果進行了對比分析。Objective to approach the clinical features of batched severe burn accompanied by blast injury in lungs, and to sum up both experiences and lessons drawn from the treatment on those cases
摘要目的探討成批燒傷合併肺爆震傷的臨床特點並總結診療中的經驗教訓。In order to investigate the influence of characteristics parameters on detonation wave in a two - phase pulse detonation engine model. the peak detonation pressures and average velocities of two - phase pulsed detonation wave produced by pde model using gasoline as fuel and air as oxidizer under various ignition frequencies and various mixture ratios are measured systematically, and the relations influencing them are analyzed
為了探索氣-液兩相脈沖爆震發動機模型內特徵參數對產生爆震波的影響規律，系統地測試了以汽油為燃料、以空氣為氧化劑的氣-液兩相脈沖爆震發動機模型在不同點火頻率及不同余氣系數下爆震波的峰值壓力以及平均爆震波速，並對其變化進行了分析。Combustion modeling in si engine and prediction of critical knock
點燃式發動機燃燒過程模擬分析及臨界爆震預測In the demolition designing, using different demolition parameters according to the different external conditions with adopting a series of comprehensive shock absorption steps, the influence of excavation demolition on the outside construction is decreased to the least degree
在爆破設計中，根據爆破點周圍不同的外部環境，採取了不同的爆破參數，並採用了一系列綜合減震措施，開挖爆破對隧道及基坑周圍建築物的影響降低到很小程度。This paper confirms a kind of non - linear mapping relation between vibration velocity of particles on building and the influence factors, such as total explosive charge, maximum explosive charge fired at the same time, the distance between blasting point and monitoring points, peak particle velocity of ground where building is, the height from monitoring point to ground, and so on, and sets up a support vector machine ( svm ) model for forecasting the vibration effect induced by an explosion
應用支持向量機，建立了總藥量、最大段藥量、爆破點與監測點距離、構築物所在地面震動峰值速度、測點到地面的高度等因素與建築物上的質點震動速度之間的非線性映射關系，確立了支持向量機預測模型。Non - uniformity of the amplifying effect and dimension of the slope are pointed out through analysis of the distribution of the stress and sonic speed in the slope. forms of slope lost stability resulted from blasting vibration are analyzed and appraising rules of slope stability are summarized by a great deal instances on coasts. based on general discussion about calculation methods of the slope stability under the effect of blasting vibration, the synthetical method, a new one, is put forward, analyzed through a sample by and pointed out which is one of most valid methods
利用波動理論，得出延期時間為nt / m時減震效果最好；在分析邊坡巖體內部應力、質點速度等分佈規律的基礎上，指出邊坡震動放大效應的不均勻性和邊坡尺寸效應；結合大量滑坡實例，分析了爆破震動引起邊坡失穩破壞的幾種形式，總結出邊坡穩定性評價準則；基於對邊坡穩定性計算方法的綜合分析，提出了一種綜合分析方法，通過算例計算分析，證明該法計算精確度高、功能全面，是邊坡動力穩定性分析的有效方法之一。A 7. 5 - metre tall noise barrier was provided to minimise the noise impact to road users and public nearby, and continuous noise and vibration monitoring had been carried out to make sure that the noise and vibration limits were not exceeded during tunnel blasting
為將對道路使用者及附近居民的影響減至最低，承建商在施工范圍興建高七點五米的隔音屏障，並持續密切監察隧道爆破時所產生的噪音及震動情況，確保噪音及震動水平沒有超標。The multi - degree - of - freedom system structural dynamic response analysis of blasting ground vibration velocity displacement excitation
爆破地震速度位移激勵多質點系結構動力分析Borderline detonation point
邊界爆震點Abstract : main construction points of qingfang hospital station on qingdao subway under the condition of hard surrounding rock are described. blasting control and vibration monitoring are stressedly introduced
文摘:闡述了青島地下鐵道青紡醫院車站在堅硬巖層中的施工要點，重點介紹了爆破控制、震動監測等內容，對于城市硬質巖石條件下的地下工程具有借鑒意義。Nevertheless, hcci also has its drawbacks. it is prone to misfire at the low engine load and knock at the high load. the operating range of hcci is narrow
但hcci發動機也存在著低負荷容易失火、高負荷容易爆震、工況范圍狹窄、碳氫化合物和一氧化碳排放高等缺點。A preliminary research of measurement method for spark plug lgnition engine combustion detonation
火花點火發動機爆震燃燒測量方法的初步研究The experimental results have shown that for a given length of pde model the performance of pde model decreases with increase of and the ignition frequency is equal to the pulse detonation frequency
通過分析實驗結果發現，當余氣系數增大時，爆震波發動機性能下降，在爆震室長度一定時，點火頻率等於脈沖爆震頻率。Knock threshold detection is the key of closed loop control of ignition in gasoline engine, and it is also the difficult point in knock measurement
摘要汽油機爆震邊緣檢測是汽油機點火閉環控制的前提，也是爆震檢測的難點。分享友人