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698篇 您的检索式：作者名="Hungerford"

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	题名	作者	年代	出处	被引量
1	Evolution and application of in-seam drilling for gas drainage显示文摘The presence of seam gas in the form of methane or carbon dioxide presents a hazard to underground coal mining operations.In-seam drilling has been undertaken for the past three decades for gas drainage to reduce the risk of gas outburst and lower the concentrations of seam gas in the underground ventilation.The drilling practices have reflected the standards of the times and have evolved with the development of technology and equipment and the needs to provide a safe mining environment underground.Early practice was to adapt equipment from other felds,with rotary drilling being the only form of drilling available.This form of drainage allowed various levels of gas drainage coverage but with changing emphasis,research and development within the coal industry has created specifc equipment,technology and practices to accurately place in-seam boreholes to provide effcient and effective gas drainage.Research into gas content determination established a standard for the process and safe levels for mining operations to continue.Surveying technology improved from the wire-line,single-shot Eastman survey instruments which was time-dependent on borehole depth to electronic instruments located in the drill string which transmitted accurate survey data to the drilling crew without time delays.This allowed improved directional control and increased drilling rates.Directional drilling technology has now been established as the industry standard to provide effective gas drainage drilling.Exploration was identifed as an additional beneft with directional drilling as it has the ability to provide exploration data from long boreholes.The ability of the technology to provide safe and reliable means to investigate the need for inrush protection and water drainage ahead of mining has been established.Directional drilling technology has now been introduced to the Chinese coal industry for gas drainage through a practice of auditing,design,supply,training and ongoing support.Experienced drilling crews can offer site specifc gas drainage drilling services utilising the latest equipment and technology.	Frank Hungerford Ting Ren Naj Aziz	2013	International Journal of Mining Science and Technology2013，23，4：	12
2	Directional drilling in unstable environments显示文摘Directional drilling has been established in the coal industry as a viable means of gas drainage, exploration and water management. But the environment in and around coal seams is not always conducive to stable conditions while drilling and borehole stability after the drilling has been completed. This paper identifies the conditions which cause unstable drilling conditions and the various means which are used to attempt to manage or bypass those conditions. Ultimately, equipment does become bogged in these adverse environments and requires recovery by over-coring.	Hungerford Frank Ren Ting	2014	International Journal of Mining Science and Technology2014，24，3：	2
3	Non-traumatic avascular necrosis of the femoral head显示文摘	Mont MA Hungerford DS	1995	J Bone Joint Surg(Am)1995，77，3：	1
4	Non - traumatic avascular necrosis of the femoral head 显示文摘	Mont MA Hungerford DS	1995	J Bone Joint Surg Am1995，3，：	1
5	A minute chromosome in human Chronic granuloeyticleukemia显示文摘	Nowell human PC Hungerford DA	1960	Seienee1960，132，：	1
6	Biomechanics of the patellofemoral joint 显示文摘	Hungerford DS Barry M	1979	Clin Orthop1979，10，144：	1
7	Results of combined chemotherapy and radiotherapy for advanced intraocular retinoblastoma 显示文摘	Kingston JE Hungerford JL Madreperla SA	1996	Arch Ophthalmol1996，114，11：	1
8	Current concepts review:non-traumatic avascular necrosis of the femoral head显示文摘	Mont MA Hungerford DS Maryland B	1995	J Bone Joint Surg1995，77，3：	1
9	Technical factors contributing to patellar instability in TKA 显示文摘	David S Hungerford M D	2010	Seminars in Arthroplasty2010，21，2：	1
10	The pathogenesis of osteonecrosis显示文摘	Jones LC Hungerford DS		0，，02：	1
11	Hyaluronic acid and its effect on postoperative adhesion in the rabit flexion tendon显示文摘	Thomas S Jones LC Hungerford DS	1986	Clin Orthop1986，206，：	1
12	Developmental biology of the vascular smooth muscle cell: building a multilayered vessel wall显示文摘	Hungerford JE	1999	J Vasc Res1999，36，1：	1
13	Nontraumatic osteonecrosis of the femoral head:ten years later显示文摘	Mont MA Jones LC Hungerford DS		0，，05：	1
14	Total joint arthroplasty of the knee 显示文摘	Hungerford DS Krackow KA	1985	Clin Orthop Relat Res1985，，：	1
15	Altered patterns of pel- vic bone motion determined in subjects with posterior pelvic pain using skin markers 显示文摘	Hungerford B Gilleard W Lee D	2004	Clinical Biomechanics2004，19，5：	1
16	Chitosan supports the expression of extracellula chondrocytes显示文摘	Lahiji A Sohrabi A Hungerford DS	2000	J Biomed Mater Res2000，51，4：	1
17	Treatment of retinoblastorna vitreous base seeding显示文摘	Madreperla SA Hungerford JL Doughty D	1998	Ophthalmology1998，105，1：	1
18	Surface replacement hemiarthrop lasty for the treatment of osteonecrosis of the femoral head显示文摘	Hungerford MW Mont MA Scott R	1998	J Bone Joint Surg (Am)1998，11，：	1
19	Analysis and Syn- thesis of Research on Responsible Environmental Behavior 显示文摘	Hines J Hungerford H R Tomeraan	1987	Journal of Environmental Education1987，18，2：	1
20	Analysis and synthesis of research on environmental behavior: A meta- analysis显示文摘	Hines J Hungerford H Tomera A	1987	Envi- ronmental Education1987，18，2：	1

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