Xem 1-20 trên 364 kết quả Drills
  • Used by corporate training departments, colleges and universities worldwide, this is the most complete upstream guide available. Hyne provides an easy-to-understand explanation of complex topics with pictures, graphs and illustrations covering everything on how oil and gas is formed; how to find commercial quantities; how to drill, evaluate and complete a well; all the way through production and improved oil recovery.

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  • Drilling operations are perhaps the most popular machining process being undertaken today, with their origins being traced back to cutting tool developments in North America in the 19th century. In 1864 toward the latter part of the American Civil War, Steven Morse (i.e. later to design the significant ‘Morse taper’ – for accurate location of the ‘sleeved drills’ into their mating machine tool spindles) founded the Morse Twist Drill and Machine Company in the ‘North’.

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  • 1DataGrid 0,9 Drill Down để dữ liệu trong DataGrid Control điều khiển trong Visual Basic. NET là một cách hiệu quả để hiển thị nhiều hồ sơ liên quan đến một bảng cơ bản, chẳng hạn như khách hàng và đơn đặt hàng bảng.

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  • The simplest drilling fluid is a dirty mixture of water and clay, often referred to as mud. The drilling fluid in the drilling process can be seen as the equivalent to the blood in the human body, the mud pump is the heart, and the drilled out shale (cuttings) represent the slag products. At the surface, we find the mud cleaning system which corresponds to the kidney and the lungs. In the mud cleaning system the cuttings are removed by means of a sieve, the shale shaker.

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  • This paper is the following part of our project to predict the penetration rate for percussive drilling with rotary in very hard rock. As results in [1] have been shown that the rate of penetration was strong influent by Brazilian tensile strength and it was exist the correlation between the rate of penetration and the rock properties.

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  • In this research, the author will present a new design of a multi-spindle drilling head that uses Cardan universal joint for driving in order to increase productivity, decrease product expenses. To check the principle of working after simulation we developed a prototype of Multi-Spindle drilling head in this research.

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  • Khoan, khoét, doa và tarô (drilling, boring, reaming and taping): Khoan, khoé Khoan, khoét, doa là các phương pháp gia công l nhưng khả năng công nghệ khác nhau do đó ph=ạm vi sử dụng cũng khác nhau.

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  • Evolutionary algorithms are a type of general problem solvers that can be applied to many difficult optimization problems. Because of their generality, these algorithms act similarly like Swiss Army knife (Michalewicz & Fogel, 2004) that is a handy set of tools that can be used to address a variety of tasks. In general, a definite task can be performed better with an associated special tool.

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  • Tài liệu học tiếng Anh. CONTENTS of Structure Drills

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  • The search for oil occurs in geological sediments, as opposed to volcanic rocks. Several processes are involved in the creation of sediments. First, the inland continental volcanic rock is continuously being weakened and eroded by weathering processes (mechanical (through water, ice and wind) and chemical erosion). Secondly and simultaneously, the eroded material is being transported by water, ice and wind and gradually the material may be broken down into smaller pieces (from boulders to gravel, to sand, to silt and finally to clay).

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  • Functions of Drilling Fluids A drilling fluid, or mud, is any fluid that is used in a drilling operation in which that fluid is circulated or pumped from the surface, down the drill string, through the bit, and back to the surface via the annulus. Drilling fluids satisfy many needs in their capacity to do the following [M-I llc]: . Suspend cuttings (drilled solids), remove them from the bottom of the . . . . . . .

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  • Milling/Drilling machine

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  • English Grammar Drills is organized into three parts: Part 1 covers noun phrases, the first of the two fundamental building blocks of English grammar. Noun phrases function as the subjects of sentences, the objects or complements of verbs, and the objects of prepositions.

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  • Tham khảo tài liệu 'english grammar drills part 2', ngoại ngữ, ngữ pháp tiếng anh phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Tham khảo tài liệu 'drilling and associated technologies part 2', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • .Drill faster and straighter with the HD712 drifter The Furukawa HD712 drifter combines powerful penetration with agility and easy operation. Equipped with features that maximize efficiency, the HD712 drifter sets the standard in high-performance drilling: Maximize operator performance with the ultimate in ergonomic cab designs. HCR 1200 ED cabs are ergonomically friendly with features that reduce operator fatigue. Cabs are 43" (1,100mm) with ROPS/FOPS standard.

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  • Long before basketball went worldwide and names like Dirk, Yao, Nash, and Manu became commonplace, Giorgio Gandolfi was building bridges between hoopsloving people on different continents. This rich treasury of offensive basketball wisdom is essential for the library of all coaches and players who want to maximize their understanding of this beguiling game.

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  • Tham khảo sách 'drilling down: the gulf oil debacle and our energy dilemma', kỹ thuật - công nghệ, hoá học - dầu khí phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Tham khảo tài liệu 'drilling and associated technologies part 1', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Tham khảo tài liệu 'drilling and associated technologies part 6', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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