井下試驗 的英文怎麼說
中文拼音 [jǐngxiàshìyàn]
井下試驗
英文
underground trials- 井 : Ⅰ名詞1 (從地面往下鑿成的能取水的深洞) well 2 (形狀像井的東西) sth in the shape of a well 3 (...
- 下 : 下動詞1. (用在動詞后,表示由高處到低處) 2. (用在動詞后, 表示有空間, 能容納) 3. (用在動詞后, 表示動作的完成或結果)
- 試 : 名詞(古代占卜用的器具) astrolabe
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
- 試驗 : trial; experiment; test
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Experimental study on the air floatation treating mine wastewater
氣浮法處理煤礦井下排水試驗研究Standard practice for field procedure for constant drawdown tests in flowing wells for determining hydraulic properties of aquifer systems
用於測定含水層系統水硬性的流動井中恆定水位下降試驗現場程序的標準實施規程In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively
本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的測量,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。Based on practical need, a monocable telemetry system, which serves as down - hole data acquisition & transmission in computerized production logging system ( cpls ), has been developed. lt has been proved that this system is feasible and can be put into use. the system is advanced, it greatly improves domestic production logging instrument and will spread widely as replacement for imported products
本文針對實際工作需要,設計了單芯電纜數據採集及傳輸系統,它是數控生產測井系統的井下數據採集傳輸部分,經實驗測試表明,所設計的單芯電纜數據採集傳輸系統是實際可行的,可以投入實際應用。設計的單芯電纜數據採集傳輸系統性能先進,使國產生產測井儀器性能大大提高,可以替代進口儀器,廣泛推廣使用。It ' s indirectly proved that the oriented method is a reliable and practical. moreover, the natural fracture direction tested by the underground microseismic monitoring system also proved that the orientation technique is correct and comparable. 6
同時,針對該試驗區塊,對兩口開發井進行了地下微地震波監測,測得的人工裂縫方位與實驗測得的最大主地應力方向非常吻合,進一步證明了該方法的正確性和可比性。The curves of the consolidation settlement in soft clay base of flood land are gained, which compare the effect of sand drain. the settlement - time curves in different period are also gained, which increase the height of embankment to 8m, based on the test data of hang - yong highway. furthermore, the consolidation settlement characters of these entity engineering are analyzed, and, the variation rules of the rate of grade and degree of the curves in different period in the whole section, the maximal settlement and the liner regression relations between the rate of grade and degree are calculated
本文利用大變形固結有限元分析程序( lscfea )中的小變形平面固結分析單元( sse2 ) ,結合實體工程項目進行了地基固結沉降的有限元計算,分別得出河灘相軟土地基在考慮砂井和未考慮砂井作用下的固結沉降曲線及杭甬高速公路試驗段在高堆載情況下的固結沉降曲線;並對以上曲線特徵進行了分析,得出各時間段曲線斜率、角度在整個斷面的變化規律,以及沉降最大值與斜率、角度變化之間的線性回歸關系。Abstract : in accordance with the problems in the system of well storing rainfall at present, based on the experiments of artificial simulating rainfall, and assistance with the measures of natural rainfall, the relationships among the surface runoff yield, silt concentration, catching runoff efficiency and the material of surface, slope gradient, rainfall intensity are analysed systematically. then, the best slope gradient and material of surface are chosen, in condition of which surface rainfall yield is the largest and silt concentration is the smallest. this is a beneficial study for the practical use of the rainwater catchment plot in furture
文摘:針對當前旱井集雨系統存在的問題,利用人工降雨試驗,並輔以天然降雨觀測,系統分析了旱井集流區的產流量、含沙率、集流效率與下墊面材料、坡度、降雨強度的關系,進而選出了最優坡度及最優下墊面材料,為今後旱井集流區的應用研究做了有益的探討。Test method and judge rules of safety of permissible electric detonator for coal mining in firedamp
煤礦許用電雷管井下可燃氣安全度.試驗方法和判定規則Coal mine equipment. flame retardation conveyor belts with steel cord for underground and for above ground. test methods and measurements
採煤設備.井下和井上金屬簾線胎體防火焰送帶.試驗和測量方法Different liquids, pure water and hydrochloric acid, nitric acid and aqua regia were tested with icp - ms analysis to collect borehole nanoscale material, and concentrations of elements in varied liquids were determined
摘要利用等離子體質譜技術,對已知礦區井下進行了純水和不同濃度的鹽酸、硝酸和王水等液態捕集劑的捕集吸附性能試驗研究,獲得了不同液態捕集劑中元素含量隨濃度變化的規律。In order to optimize control and management groundwater resource, the paper ascertains hydrologic and geological parameter on the basis of single - and multi - well unbalance flow pumping experiment, establishes the model of groundwater management system using the theory of volume balance
本文在單、群井非穩定流抽水試驗的基礎上,確定水文地質參數,利用水平衡原理建立地下水系統管理模型,進行優化管理和調度。The device consists of a single - phase flow test device, which can make a real simulation of the downhole working conditions and the flow of the liquid in the subsurface pump, and a miscible - phase flow test device, which can simulate various oil - gas ratios
這種裝置由單相流試驗裝置和混相流試驗裝置構成,前者能比較真實地模擬井下的各種工況和抽油泵內液體的流動狀態,後者可模擬不同的油氣比。Study on simulation of underground
井下深孔爆破模型模擬試驗研究Aiming at the present low efficiency of well irrigation works and through pumping tests and theoretical analysis, the paper derives a method for calculating the optimum water yield, the best lifting distance and economic pipe diameter of low pressure pipe delivery system of irrigated area by wells, increasing the efficiency of motor - pumped wells
針對目前井灌工程效率低下的問題,通過抽水試驗,經過理論分析,推導出了井灌低壓管道輸水灌溉系統的最優出水量、最佳揚程和經濟管徑計算方法,從而可提高機井灌溉效率。Finally, two examples show that, the availability and practicability of the new model is verified. the analysis of calculation result of berthiervill test embackment shows different part of compression curve have different influence upon the course of consolidation, and correct coefficient and viscous effect have great significance on deformation forecast. associated with the wenzhou airport runway engineering, the reason of increasing of pore - water pressuer in under - lying soft layer and post - construction settlement are given
最後,通過兩個工程實例的分析來說明本文模型的有效性和實用性:一是對berthiervill填土試驗場的軟基實測數據和理論成果進行對比分析,闡明考慮結構性擾動和粘滯性效應對分析天然粘土固結壓縮性的重要性;二是對溫州機場袋裝砂井超載預壓工程進行數值模擬,指出停荷預壓期間下臥層孔壓增加和工后沉降大的原因。Perhaps there will be a short trip to test the possibility of a blowout - in case the will is acting up
當井的情況不好時,也許要進行為時較短的起下鉆作業來試驗井噴的可能性。In consideration of the characteristics of big pressure changes in near wellbore area of low permeability reservoirs, based on experimental result, a single well percolation mathematical model that the reservoir physical property changed with effective stress was established, equations were given for calculating the elastics and elastoplastic reservoirs under the condition of oil and water flow and an analytical equation was also given for calculating the reservoir production and bottom - hole flowing pressure
摘要針對低滲油藏近井地帶壓力變化幅度大的特點,以試驗結果為基礎,建立了考慮儲居物性隨地層有效應力變化的單井滲流數學模型,給出了油水兩相流動下的彈性和彈塑性儲層的數值解計算公式,以及彈性儲層的產量和井底流壓解析表達式。Abstract : anchor packer is one of the important downhole tools which areused in oil production and waterflood technical operation, such as layer waterflood, layer fracture or acidation, mechanical water block. after anchor is fixed in the simulated test unit, the invasion depth of the casing can be known with the help of the sensor around the casing wall, and then the failure degree is concluded. this is very important for the anchor packer design and site operation
文摘:在油田開發中封隔器是實施機械採油、分層注水、分層壓裂或酸化、機械卡堵水等注采工藝作業的主要井下工具之一,封隔器上的卡瓦是保證工作可靠性的重要元件,把卡瓦安裝在模擬試驗裝置中,通過在套管壁周圍分佈位移傳感器,測得卡瓦錨定后切入套管壁深度,判斷卡瓦對套管的損傷程度,這對封隔器的設計和現場使用具有十分重要的意義。The directional breaking blasting technology for underground development used in xishimen iron mine is described. a comprehensive summary is made of it which includes the test technology, the blasting parameters and the on - site application effect so as to provide precious experiences for other mines
論述了西石門鐵礦井下掘進定向斷裂爆破技術,對其試驗工藝、爆破參數、現場應用效果等方面進行了全面總結,為其它礦山井下掘進提供了寶貴經驗。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。分享友人