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the list of a published series of scientific papersnbsp

the list of a published series of scientific papers 
serial number title periodical title date authors word number(ten thousand)
1 the experiment of electroplated diamond bits Exploration Technology (the 5th issue) 1976 Li Dafo 0.4
2 the trial production technology of electroplated diamond bits Exploration Technology (the 1st issue) 1977 Li Dafo 0.8
3 the development and experiment of elelctroplated diamond bits Exploration Technology (the 6th issue) 1977 Li Dafo 1.6
4 the research of electroplated Ni-Co based matrix Exploration Technology (the 6th issue) 1978 Li Dafo 0.9
5 the development of electroplated Ni-Mn based matrix rope coring bits and the discussion of adaptability to formation Geology and Prospecting (the 1st issue) 1980 Li Dafo 0.8
6 the electroplated Ni-Mn based matrix impregnated synthetic diamond bit Exploration Engneering (the 4th issue) 1980 Li Dafo 0.8
7 the application effect of electroplated rope coring bits Exploration Engneering (the 3rd issue) 1981 Li Dafo 0.5
8 the initial experiment effect of electroplated bit using in sliping formation Geology and Prospecting (the 4th issue) 1982 Li Dafo 0.3
9 the discussion about the use of electroplated impregnated synthetic diamond bits  Geology and Prospecting (the 1st issue) 1983 Li Dafo 1.2
10 the discussion and test of the quality index of electroplated diamond bits Exploration Engneering (the 1st issue) 1983 Li Dafo 1.1
11 the development and experiment of diamond bits with high and low teeth Exploration Engneering (the 6th issue) 1983 Li Dafo 0.8
12 the investigation report of diamond toos in Christensen of America Geological Science and Technology information (the 4th issue) 1984 Li Dafo, Tu Houze 0.9
13 the development and application of WH-1 electroplated diamond bits for drilling in hard and compact sliping formation  Geoscience (the 3rd issue) 1985 Li Dafo 1.5
14 the speech about the reseach of electroplated diamond bits for drilling in hard and compact sliping formation in ESCAP (the seminar on coring and well logging) Exploration Engneering (the 5th issue) 1985 Li Dafo 0.2
15 the discussion on application of electroplated rope coring bits Geoscience (the 2nd issue) 1986 Li Dafo 1.5
16 the investigation report of the test of diamond bits in sweden Geological Science and Technology information (the 4th issue) 1987 Li Dafo 0.7
17 the research of 8-1/2 electroplated PDC petroleum drilling bits Geoscience (the 1st issue) 1988 Li Dafo 0.4
18 the research of electroplated PDC bits  Geoscience (the 6th issue) 1989 Li Dafo 0.6
19 the low-temperature electroplated PDC and the development of PDC petroleum coring bits Geoscience (the 2nd issue) 1992 Li Dafo 0.5
20 low-temperature electroplated thin-wall engeering diamond bit Geoscience (the 2nd issue) 1997 Li Dafo 0.53
21 the research of PDC petroleum drilling bits Geoscience (the 5th issue) 1998 Li Dafo 0.7
22 the development of low-temperature electroplated petroleum coring bits Oil Drilling & Production Technology (the 5th issue) 2001 Li Tianming, Li Dafo 0.8
23 the development and trial of new-type PDC bit for drilling in gravel interlayer Geoscience (a supplement) 2006 Li Tianming, Li Dafo, Chen Hongjun et al 0.8
24 the experiment of increasing penetration rate of PDC bit by self-excited oscillation pulsed jet Geoscience  2009 Li Tianming, Li Dafo, Chen Hongjun et al 0.7

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