diameter of hole 中文意思是什麼

diameter of hole 解釋
最大孔徑
  • diameter : n. 1. 直徑。2. (顯微鏡等的)放大倍數。
  • of : OF =Old French 古法語。
  • hole : n 1 洞,穴,孔;(衣服等上的)破洞;傷口;漏洞;窩,坑;水流的深凹處,(河道的)緩流窪。2 (獸的...
  1. Landslide is a geological hazard with serious losses. it is very important to research the controling methods. slide - resistant pile, which has many advantages such as high adaptability, little interference to landslide and geological environment, short construction time, high silde resistance, is a main method to control landslide. pneumatic down - the - hole hammer is a drilling method with many advantages. its features, such as wide application range, high hole quality, no circulating medium, low operation regulations, and drilling big diameter rock hole, fit to construct slide - resistant pile. according to the requirement of silde - resistant pile construction, this paper analyses feasibility that pneumatic dth hammer drilling applies to construct slide - resistant pile on the basis of introducing the features of pneumatic dth hammer. then an applied example is given

    滑坡是一種危害極大的地質災害,它的整治方法研究具有重要意義.抗滑樁是一種適應性強、對滑坡穩定性和地質環境干擾小、工期短、抗滑能力強的滑坡整治方法.風動潛孔錘鉆進是一種具有許多優點的鉆進方法,它的許多特點,如成孔質量高、應用范圍廣、無液體循環介質、鉆進規程參數小、可實現大直徑基巖鉆孔等都適合於抗滑樁施工.文章在介紹風動潛孔錘鉆進特點的基礎上,根據抗滑樁施工要求,分析了風動潛孔錘用於抗滑樁施工的可行性,並舉出了其應用實例
  2. The thermal visualizations of jet impingement cooling with single or double row holes inside semi - enclosed channel are measured by using infrared camera and then the impingement cooling heat transfer coefficients are deduced. the effects of flow and geometry parameters on convective heat coefficients are obtained. the results show that : for a single row normal impingement, the impingement cooling effectiveness is enhanced with the increase of impinging reynolds number or the decrease of hole space to diameter ratio, and the best effectiveness is achieved under the jet - to - surface spacing equals to 2 ; when the jet is oblique to the confined wall, the cooling effectiveness is weaken especially under the jet - to - surface spacing ratio is greater than 2 ; for double rows normal impingement cooling, the cooling effectiveness of rear row jet is weaker than the front row under lower impinging reynolds number or bigger jet - to - surface spacing

    對于單排垂直射流,沖擊冷卻效果隨射流雷諾數的增加、孔間距與直徑比的減小而得到提高,沖擊間距比為2時換熱效果最好;沖擊孔中心線向通道封閉一側傾斜后,射流沖擊冷卻的范圍變窄,當沖擊間距比大於2時駐點區的對流換熱能力明顯降低;對于雙排沖擊射流,孔排間距與直徑比的增加使沖擊冷卻范圍變大,但在兩排孔之間區域的對流換熱系數有所下降;在較小的沖擊射流雷諾數和較大的沖擊間距比下,後排射流的沖擊換熱效果要遜於前排射流。
  3. Hollow ferrites particles are the alternative to conventional solid ferrites particles, which have lower density, larger specific surface area and stability. moreover, it is expected electromagnetic wave can be reflected and absorbed again and again in the cavum of hollow particles which become its black hole. in addition, their electromagnetic parameters can be adjusted in a certain range by changing the thickness of the shell and the diameter of hollow microspheres, and the ability of absorbing microwave can be expected to improve

    空心結構的鐵氧體是對傳統實心鐵氧體的改造,不僅密度小,還具有特殊的電、磁功能,有可能使電磁波在其空腔中反復振蕩吸收,成為電磁波的「黑洞」 ,從而增加材料的吸波能力,同時可通過調節核殼粒子的內外徑來調控電磁參數。
  4. Clothing. clothing accessories. shank buttons. diameter and position of hole

    服裝業.服飾品.有腳扭扣.眼的位置和直徑
  5. The big diameter punch hole pile foundation engineering in guangdong coastal area was analyzed in detail by the example pile foundation of 1 #, 2 # unit desulphurizing engineering technology building of zhuhai power plant

    摘要以珠海電廠1 # , 2 #機組煙氣脫硫工程工藝樓樁基為例,對廣東浴海地區大直徑沖孔樁基工程進行了較為詳細地分析,以及對實際施工過程中的理論應用進行了論述。
  6. The diamerter is even distributed and is much smaller than that of the holes. maybe there are several nanotubes grown from one hole. for two - step oxidation films, the diameter of the prepared nanotubes is the same as that of the holes

    一次氧化的模板制備了直徑均勻的竹節狀碳納米管,但直徑徑遠遠小於模板孔的直徑,因此一個孔內可能長出數根碳管。
  7. An approach to the cause of failure of large diameter long - hole drilling tools

    大直徑深孔鉆具失效原因探討
  8. This series of filter is absorption type filter. it is applicable for sea water of fresh water. filter ' s material and diameter of filter hole is decided by application

    本系列濾器為吸入式粗水濾器,適用於海、淡水的粗過濾。濾器材質及濾孔大小根據過濾精度和介質,結合客戶需要確定。
  9. Research of large diameter long - hole sublevel room mining in zijinshan gold - copper mine

    紫金山金銅礦大直徑深孔階段礦房法的試驗
  10. Supporting roller 12 : it can be dismantled to be repaired if the surface of roller is abraded, or channel of rollers is abraded unequally, or there is sunken hole, make sure that the two roller channels should have same diameter and be coaxial, outer diameter of the pair supporting rollers of every driving roller should be similar

    輥面磨損或輥道不均勻磨損或產生凹坑時可拆下精車修理,但注意輥體的二個輥道直徑一致並同軸,每個傳動輥的一對托輥外徑保持一致。
  11. The paper researches the relations between blasting effect and blasting parameters, including diameter of drill, non - coincidence coefficient, hole spacing, hole row - spacing, cartridge diameter, charge per hole, density of line charge, charging structure and detonating manner, and how to adjust the blasting parameters to get the best blasting effect under the given geological condition

    本文在重慶市某高速公路合同段進行了現場預裂爆破試驗的基礎上,研究了炮眼直徑、不耦合系數、炮孔間距、炮孔排距、藥卷直徑、單孔藥量和線裝藥密度、裝填結構、起爆方式等爆破參數與爆破效果之間的聯系,以及如何在給定的地質條件下調整爆破參數獲得最佳的爆破效果。
  12. Method to evaluate pile capacity precisely by using the coefficient of cleaning slime and coefficient of construction process and by controlling the total duration of construction is proposed herein after analyzing the influences of slime at pile bottom, thickness of mudcake by the side of pile, shape of hole wall, time of construction and construction process on the bearing capacity of large diameter cast - in - place pile

    本文通過分析樁底沉渣、樁側泥皮厚度、孔壁形狀、成樁時間及施工工藝等對大口徑灌注樁承載力的影響,提出了在樁承載力計算中引入清底系數及成樁工藝系數,並控製成樁總時間以較準確地評價單樁承載力的方法。
  13. Construction technology for foundation of bored pile with extradeep hole and major diameter, of tianzhuangtai bridge

    田莊臺大橋超深大徑鉆孔灌注樁基礎施工工藝
  14. In order to break through the traditional technology and the conception of equipment design, suggest to use bunchy phase deep hole or big diameter deep hole in laneway to realize the exploding of high step on opencast working ; digging with big contain forklift to realize the continuous transportation of dragline - mobile convolution crusher - belt transportation machine, therefore form a new technology system that be propitious to increase collectivity technique and economic benefit

    為突破基於常規工藝和設備配套的設計理念,推薦採用束狀階段深孔或在巷道中採用大直徑深孔的方法實現露天開採的高臺階穿爆作業;採用大斗容索鏟下挖作業實現自工作面開始的索斗鏟移動式旋迴破碎機帶式輸送機的連續運輸工藝,從而形成有利於提高露天開采設計總體技術經濟效果的新的工藝技術系統。
  15. The compensated ability varies with the difference of bed slowness and changes of hole diameter

    隨著地層時差的不同和擴徑量的不同,雙發雙收聲系的補償能力也不同。
  16. Based on some discussions on the mathematic model set up for the cathodic protection potential field, a two - dimensional boundary element method ( bem ) is developed, and by using which, a study on the shielding effect resulted from some typical inner structures such as the reinforcing elements and the partition walls with man holes on distribution of potential and current density in the cathodic protection is performed. the investigated parameters which affect the shielding effect in the calculating model include : the height and thickness of the reinforcing elements, the distance between the anode and the reinforcing elements, and the diameter of man hole on the partition walls, and so on

    本文在討論了陰極保護電位場問題的數學模型的基礎上,以二維邊界元法對陰極保護問題中的電位及電流密度分佈進行了模擬計算,重點對船舶壓載艙中的典型結構如加強筋、人孔等在陰極保護中所產生的屏蔽效應進行了分析和研究,通過對不同高度、厚度的擋板及不同孔徑的帶孔板所產生的屏蔽效應進行模擬計算,首次得到了一些對實際工程設計具有重要參考意義的見解。
  17. Research on the application of large diameter deep - hole springing blasting

    大直徑孔藥壺爆破技術應用研究
  18. Suit for : 05 15 20 48 cobalt motor 540 550 600 ferrite motor size of backlash and hole diameter of sun gear is different

    適用電機: 05 15 20 480鈷電機和540 550 600鐵氧體電機只是后蓋尺寸和太陽軸孔不同
  19. The paper makes the analysis of an engineering accident of the cracking of adjacent existing buildings caused by surface subsidence from groundwater lowering during the construction of large diameter dig - hole piles, finds out the cause, presents the treatment scheme and effectively guarantees the smooth conducting of the project

    該文對由於大口徑人工挖孔樁施工降水引發地面沉降,造成鄰近建築物開裂的工程環境事故進行了分析,查明了原因,並提出了治理的方案,有效地保證了工程的順利進行。
  20. As soon as the tunnel boring machine advances 1m forward, 6 pieces of pre - cast concrete segment are fabricated and forming a ring with internal diameter of 5. 6m to support soil outside, while simultaneous back - filling and 32 - hole chemical grouting injector equipment installed with tunnel boring machine consolidating soil instantaneously to enhance the soil strength. the tunnel boring machine is also equipped with guided top gyroscope and true circularity retaining device for construction accuracy

    其中值得一提者,板橋土城線所採用之潛盾機系新型之土壓平衡式機種,具同步背填灌漿之功能,對地表沉陷之控製成效優良,目前已貫通並通過民房及商業區下方之下行隧道其初期沉陷均控制在5mm之內,二次沉陷及最終沉陷平均總量最大亦僅18mm ,遠優于初始設計的警戒值30mm 。
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