鉆孔底 的英文怎麼說

中文拼音 [zhēnkǒngde]
鉆孔底 英文
bottom of hole
  • 鉆 : 鉆Ⅰ名詞1. （打眼用的工具） drill; auger 2. （指鉆石） diamond; jewel Ⅱ動詞（用尖物在另一物體上轉動） drill; bore
  • 底 : 底助詞（用在定語后, 表示定語和中心詞之間是領屬關系, 現在多寫作「的」）
  1. Benthic foraminifer fauna, ams14c dating and acoustic sub - bottom profile was analyzed in the core ey02 - 2 and ey02 - 1 drilled from the muddy deposit in the middle southern yellow sea and the mid - shelf of north east china sea. considering the results of core qc2 ? dz4 and the standard oxygen isotope curves, we discussed the late - quaterenary paleo - environment evolution, benthic foraminifer fauna, paleo - climate, the climate events and water mass in postglacial period, average sedimentation rates, paleo - water depth, origin of sediments, average sea level rise rate in the shelf of south yellow sea and east china sea. at last we discussed the condition of sea level rise in the east china, green house effect and the protection of coastal zone

    本文根據南黃海中部泥質區和東海中陸架的兩個鉆孔巖芯的古生物、 ams ~ （ 14 ） c測年、淺地層剖面等，參考qc _ 2 、 dz _ 4成果及標準氧同位素曲線探討了黃東海陸架晚第四紀古環境演化、底棲動物群特徵、古氣候、冰後期以來氣候事件、古水團、沉積速率、古水深、沉積物源、海平面平均上升率，討論目前中國東部海平面上升的狀況、溫室效應及海岸帶保護。
  2. Then the article analyses the effecting elements about the economic result of blasting and puts forward some improving measures, and summarizes optimizing model on economic result of blasting both internal and overseas bearing upon. the theory is based on the blasting cost model, which proposed by dr. zhong hanrong. combining with the specialties of water and electricity engineering, starting off through blasting result, it emphasizing considers drilling cost, deep hole bench blasting cost, reblasting cost, and the cost of bottom fleet hole blasting that in mixed loading emulsion explosive blasting

    本文在加拿大鐘漢榮博士提出的爆破成本模型基礎上，結合水電工程的特點，從爆破效果出發，著重考慮了應用混裝乳化炸藥爆破的鉆孔成本、深孔梯段爆破成本、二次爆破成本和爆破后根底淺孔爆破成本，以塊度、振動、安全為約束條件，以這四項成本最小為目標函數，廣泛收集各種爆破經濟技術條件，建立了爆破優化經濟數學模型。
  3. Taking bench shooting of the shuibuya yihongbao project as example, it makes use of the digital television system of drilling overall - hole wall to actually measure, the testing result of lateral fractural range is 4 - 5m, and that of bottom fractural range is about 3m

    本文試驗工作是以水布埡溢洪道工程梯段爆破為實例，採用鉆孔全孔壁數字電視系統對混裝乳化炸藥爆破破裂范圍進行了實際測試，測試結果為：側向破裂范圍為4 5m ，底部破裂范圍值為3m 。
  4. Railway fixed equipment. sawing and drilling of flat - bottom rails of types superior or equal to 26 kg m, of 60 g, 70 g grooved rails and their fischplates

    鐵路固定設備.大於kg m的g g形平底軌及其魚尾板的切割和鉆孔
  5. In order to experience prices of printing machines, special vehicles as well as to assembly technology, flexographic printing or also as desired for identification systems and flexographic printing machines, contact the coworkers of einbecker kennzeichnungssysteme gmbh

    是一家製造不同尺寸柔板印刷機械，印刷機器，篩分機，印刷機，硬紙板印刷，十字底板袋機，造紙工業，紙加工工業，紙板加工，精細印刷，輪轉印刷機，鉆孔器，合成材料機械，紙張加工和處理機械，特種車輛，工具-儀器-器械的企業。
  6. Cutting, notching, mitring, welding, fabricating, drilling, delivery, unloading, handing, assembling, hoisting, fitting and fixing in position, bedding, filling in solid and pointing including necessary lugs or other attachments

    切割、開槽、法冠接、焊接、製造、鉆孔、交貨、卸載、處理、裝配、提升、原位裝置和固定，打底、固后填充以及勾縫，包括必需的拖線片或其它附件。
  7. The top sediment above 1. 8m depth was referred to be the deposit under the cold water mass since 9. 7kabp. in the middle southern yellow sea. q - mode factor analysis was employed on 98 samples and 33 benthic foraminiferous species with relative abundance of more than 2 % in at least 3 samples and 5 varimax factors had been recognized as follows : factor 1 ( ammonia beccarii vars

    南黃海中部泥質區的ey02 - 2孔共揭示了氧同位素6期以來的海侵海退序列，該孔浮遊有孔蟲匱乏，說明黃海暖流對鉆孔所處南黃海中部冷渦泥質沉積區影響一直很弱，底棲有孔蟲中玻璃質殼占絕對優勢，比例為93 . 87 100 。
  8. A patch antenna with air holes in the substrate has been designed. the finite - difference time - domain ( fdtd ) method together with the perfectly matched layer ( pml ) boundary treatment has been used to study the performance of the antenna. it is shown that the surface waves are significiently suppressed, the frequency bandwidth is improved, the sidelobe levels are reduced and consequently the gain in the forward direction is improved by 14 db ( about 4 db higher than the value reported previously )

    設計了一種基底鉆周期圓孔結構的電磁（光子）晶體貼片天線，用fdtd方法並結合pml吸收邊界條件對該天線進行了研究，結果表明本文所設計的基底鉆孔型電磁晶體貼片天線取得了多方面的性能改善，與普通天線相比，基底中的表面波受到很大抑制，天線的帶寬增加，遠場方向圖上天線的旁瓣和背瓣被明顯削弱，向前輻射的增益由原來的12db增加到26db ，增加了14db ，比文獻上報道的gonzalo等人的研究結果提高了4db 。
  9. Today, cast - in - situ piles are more widely used in deep foundation engineering because of their many advantages, such as better adaptability to various ground condition, providing enormous bearing capacity by a single pile and smaller dosage of reinforcing steel bar. but, their own disadvantages, such as sediment under tip, clay slurry around pile, friction and tip resistance disagreement and initial ground stress freeing, limited their bearing capacity, lowered the utilization ratio of material and increased the settlement

    灌注樁，因其對地層適應性強、能提供較大的單樁承載力、鋼筋用量少等優點，在目前深基礎工程中得到了極為廣泛的應用。但是，灌注樁的固有缺陷，諸如孔底虛土；孔壁泥漿；端阻、側阻發揮不同步；鉆孔后原地應力釋放等，限制了其承載力的發揮，使得材料利用率不高，沉降較大。
  10. By analyzing the several finished bridge projects, if the hollow pile foundation is adopted, we can economize subaqueous concrete consumption more than 40 per cents ; if the gr outed new technique of pile surroundings and pile toe is adopted, we can increase the load capacity 30 per cents than that of the replacement pile, and economize 20 per cents of the cost. it will show great and obvious economic and social benefits

    已建多座橋梁工程採用樁周、樁底壓漿新工藝的比較分析表明，該工藝可使水下混凝土的用量節省40以上，且比傳統的鉆孔灌注樁可提高承載力30以上；節約造價20以上，具有顯著的經濟效益和社會效益。
  11. Impact of bottom settlings and mud cake on vertical supporting capacity of large - diameter predrilled cast - in - place pile

    樁底沉渣與樁周泥皮對大直徑鉆孔灌注樁豎向承載力的影響分析
  12. Abstract : this article discusses the formation of the drilling rig platform, selection of the hole forming equipment and treatment of some incidents occurred during the construction of the bored pile foundation of the qi ? ao bridge in zhuhai under different geological conditions. it also studies such issues as the embedment of the steel casing and bottom elevation of the bored pile on the inclining rock and katarock

    文摘:筆者介紹了淇澳橋主橋鉆孔灌注樁基樁施工中，在不同地質條件下，水上鉆機平臺的搭設、成孔設備的選型、事故的處理，並對鋼護筒的埋設及破碎帶傾斜巖面上鉆孔嵌巖面上鉆孔樁孔底標高問題作了探討
  13. Clogged or cave - in of the hole, can lead to a stuck drill. it is best therefore, to cleans the hole regular intervals, by carrying out air - blowing with the rock drill

    因為堵塊和空穴都可能導致卡鉆，因此應定期採用沖擊器強吹，定期清洗孔底。
  14. The paper introduces the fundamentals of the temperature distribution in the borehole drilled in the frozen formation, and discusses the ascertainment of these parameters, including the mass quantity of circulation medium, the coefficient of thermal conductivity of drilling rods, the coefficient of the intensity of heat exchange and the coefficient of unstable heat exchange between the rock and the circulation medium, and the rising of the temperature of the circulation medium in the bottom of the bore

    摘要介紹了凍土鉆孔內溫度分佈研究的理論基礎，其中主要討論了沖洗介質的質量流量、鉆桿桿壁的導熱系數、巖石同沖洗介質的熱交換強度系數與不穩定熱交換系數，以及孔底沖洗介質溫度升高值的確定。
  15. The performance of the pbg antenna using the new pbg cover together with a pbg substrate is studied by the fdtd method together with the pml boundary treatment. the numerical results show that a more focused beam radiated in the broadside direction is achieved. the gain of the pbg patch antenna in the forward direction is improved by about 6 db. the radiation directivity is improved significantly and reaches 11. 5 db, which is 0. 4 db less than the maximum value that is allowed physically for this size of the antenna ( this difference is about 4. 1 db less than the difference achieved by thevenot et al.,

    用fdtd方法並結合pml吸收邊界條件，我們對加了這種新的覆層結構並且基底鉆孔的復合結構電磁（光子）晶體貼片天線的性能進行了研究，結果證明加了這種新的電磁晶體覆層結構以後，天線的波束收攏很多，並且向前輻射的增益大大提高，與普通天線相比，天線的e面和h面方向圖上向前輻射的增益均提高了約6db ，另外，該復合結構天線的方向性系數達到了11 . 5浙江大學博士學位論文db ，與該物理尺寸天線的方向性系數的理論極限值（ 11 . 9db ）相差0 . 4db ，該差值比thevenot等人設計的電磁晶體覆層天線的相應差值減少了約4 . 1db ，比qiu等人設計的電磁晶體天線的相應差值減少了約1
  16. The works included 24 bored piles of 2. 5 meters in diameter and 55 meters in depth, 500 meters long underground concrete diaphragm wall of 0. 8 meters thick and 25 meters deep, 450 pre - cast concrete pile of 0. 5 meters in diameter, 12 meters deep soil excavation with multi - layer post - tensioning shoring system, reinforced concrete pile caps and basement slabs

    其工程內容包括了24支直徑2 . 5米，深達55米直入巖層的鉆孔樁，周長500米，深度25米，厚度0 . 8米的地下連續混凝土墻， 450支直徑0 . 5米預制混凝土樁， 12米深開挖，多層水平鋼支撐系統，混凝土樁承臺及地庫底板結構。
  17. To get the stability of shallow structure foundation and adjacent seabed in cheng dao shallow sea area, we have made an investigation on high resolution echo depth side sonar and shallow strata section etc. and made use of experiment analysis of core, in situ, indoor to compute, analyze and assess the stability on new computing method

    為了得到埕島海域淺水區構築物地基及周邊底床穩定性，本文通過高解析度的回聲測深、旁側聲納及淺地層剖面等聲學儀器勘查，並結合鉆孔、現場和室內的實驗分析，採用新的計算方法，對埕島海域淺水區人工構築物地基及周邊底床穩定性進行了計算、分析和評價。
  18. Conclusion : in the craniotomy of the retrosigmoid approach, the lateral two hole should devised lateral and inferior to the asterion and fissure of the occipital - mastoid at the fundus of mastoid. it is a safe and fast drilling method

    N 、 t擴大乙狀竇后經內耳孔上入路顯微外科解剖學系列研究中文揚要枕乳縫乳突基底外下方為鉆孔點是安全、快速的方法。
  19. Abstract : based on the in - situ pressure - grouting experiments and the full - scale pile tests of xinxiang and ligou and yangzhou bridges, the process and effect of jet pressure - grouting are presented in this paper. the mechanism of increasing the performance of bored piles by grouting is also analyzed. an engineering experience of applying the new technique is presented in the paper

    文摘:根據新鄉、鞏縣及揚州等地鉆孔灌注樁樁底壓力灌漿現場試驗和樁的靜載試驗，介紹了樁底壓力灌漿的工藝及壓力灌漿的效果，並對壓力灌漿提高鉆孔灌注樁承載力的機理進行了分析，對其推廣應用作了介紹。
  20. The research of patch antennas based on photonic - bandgap ( pbg ) structures is a relatively new area. the goal is to improve the performance of the patch antennas by using the special features of pbg structures. though some good research results have been obtained by scientists in the world, there still exit some problems to be solved for improving the performaces and reducing the size, weight and cost

    雖然國內外已經在基底鉆孔型、地面腐蝕型、高阻抗表面型、 uc - pbg型、覆層型和軟表面型電磁（光子）晶體貼片天線等方面開展了研究，但是在這些研究中還遺留著多方面的問題有待解決，以顯著改善天線的性能指標，減少天線的體積，重量，降低天線的加工費用等。
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