core drill 中文意思是什麼

core drill 解釋
空心鉆
  • core : CORE =Congress of Racial Equality 〈美國〉爭取種族平等大會。n 1 果心。2 (事物、問題等的)中心,...
  • drill : n 1 【軍事】操練,演習;(嚴格而有系統的)盤練,訓練;〈英口〉教官。2 【機械工程】鋼鉆,鉆頭;鉆...
  1. Cuttings and core from the drill-holes have intersected conglomerate bands.

    鉆粉和巖心已穿過了礫巖夾層。
  2. Advanced instrument and testing techniques including adopting mercury injection apparatus, specific surface analyses apparatus, porosity - permeability measurement apparatus, isothermal adsorption instrument and drill core flow experiment system, etc., are also adopted. on the basis of study on gas zoning, known cbm show and its component, generating mechanism of low coal rank cbm are discussed. the author pointed out that generated cbm should consist of primary biogenic methane gas in lignite stage, thermogenic methane gas in long - flame coal to gas / fat coal stage, and deuterogenic biogenic methane gas in coal seam imbedded stage

    在本區瓦斯分帶、已知煤層氣顯示及其組分研究基礎上,探討了低煤級煤層氣的生成機制,指出生成的煤層氣應包括褐煤階段的原生生物甲烷氣、長焰煤?氣肥煤階段的熱成因甲烷氣和煤層埋藏階段的次生生物甲烷氣三種成因甲烷氣體;進而論述了煤儲層含氣飽和度、臨界解吸壓力、臨儲壓力比、地解壓差等甲烷解吸特徵,實測與理論含氣量、煤層氣資源量與資源豐度等煤儲層含氣性特徵。
  3. Core drill drilling capacity

    鉆孔深度:
  4. Core guide groove plate and keys guide plate, they can be a very good guide insert the key - lock curve, they also can effectively prevent - line tools to open locks road allocated insert technology pellets, billiard and supporting anti - drilling unit has played backing billiard do not fall into the lock, they can effectively prevent the portable rechargeable electric drill - the penetrating, also can play a bit role jammed, they also can improve the defense lock drilling capacity and the ability to open devastating

    鎖芯導槽片和鑰匙導向片,能很好地引導鑰匙插入曲線式鎖道,並能有效地防止直列式開啟工具插入鎖道撥技彈珠,而彈子支撐防鉆片起到支撐下彈子不落入鎖道,並能有效地防止便攜充電式電鉆的鉆入,起到卡住鉆頭的作用,提高鎖具的防鉆能力和破壞性開啟的能力。
  5. Research of structure and performance of diamond core drill bit superfine base powder segments

    超細基粉金剛石薄壁套筒鉆胎體的組織性能研究
  6. Diamond core drill can be laser welded with full penetration and the bonding strength is 1500 n / mm2. dendrite morphology and porosity formed in the welds of al - fe - v - si aluminum alloy

    用本激光器對金剛石薄壁鉆進行焊接,可以將其完全焊透,抗彎強度為1500n / mm ~ 2 。
  7. Shanghai jeichu machinery & electric co., ltd. is manufacturer specialized in research, production and sales of diamond core drill, will saw and diamond series tools

    上海傑出機電有限公司是集研發,生產,銷售於一體的金剛石鉆孔機、墻鋸機以及金剛石系列工具的專業製造商。
  8. On the other hand, european space agency launched the mars express in june 2003. its lander is expected to land in december 2003 and drill and core soil samples for analysis. hopefully, it will find out whether life exists on mars

    而歐洲太空總署亦於2003年6月發射了火星快車,準備於2003年12月登陸火星,鉆取火星土壤以作分析,希望解開火星是否存在生命之謎。
  9. In production, the technology can provide geologic foundation for objective stratum to take core localization, the drill - stem testing, the well completion work, the well logging interpretation, the well drilling project breakdown processing, and coordinate with other logging methods to carry on the scientific appraisal to the stratum, and has been used widely in exploration and development in jianghan oil region

    在生產實踐中它能夠為目的層取心定位、中途測試、完井作業、測井解釋、處理鉆井工程故障提供地質依據,並與其他錄井方法和測井方法相配合,對地層進行科學化評價,在江漢油區油氣田勘探開發中廣泛運用。
  10. Wire core drill

    繩索取芯
  11. The extension drill rod which can be used for higher capacity drill, the drill hole can be extended to sezeral meetrs, when drilling the straight hole, the core lifter can help coring

    選用加長鉆桿于較大能力的鉆機,可將鉆孔延深至數米,鉆垂直孔時,可採用取芯器配合取芯。
  12. Double core - barrel drill

    雙巖心管鉆探
  13. We based on the analyse to main drill core of the area and adjacent, start with area stratum, set up microfacies type and identify characters of the area, make certain the types of facies and microfacies, and establish the mode of well logging microfacies. through synthetical contrast and analyze the layers and sand body of in pi formation of 316 wells, using well logging curves to partition and get 8 layers : pi1 - pi7, in them p12 is thick formation, can be divided into p12a and p12b layers

    從區域地層、構造、沉積背景入手,以研究區和鄰區的重點取芯井巖芯分析為基礎,建立研究區沉積微相類型及識別特徵,確定各小層亞相和微相類型,建立相應測井微相模式,依據研究區316口井的測井曲線資料將目的層pi組油層分為八個小層: p11 p17 ,其中p12層為厚油層,又可分p12a和p12b兩個小層。
  14. The control system adopts high capability singlechip, aduc812 ( 8052 - compatible core ). it can expediently achieve a / d ( 12bit ), d / a ( 12bit ), phase compensation of the rotor position singles, and speed closed - loop control, and fully resolves the well - off switch from the out - synchronization to the in - synchronization. the practical prototype of the system is developed for the control of a dentist " sensorless brushless dc drill motor

    系統採用高性能aduc812 (兼容8052內核)單片機作為微處理器,方便的實現a / d ( 12位) 、 d / a ( 12位) 、電機轉子位置信號相位檢測與補償以及系統速度閉環控制,很好地解決了無位置傳感器bldcm從外同步運行階段到內同步運行階段的順利切換。
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