Results 241 to 250 of about 382,665 (308)

How Does Cultural and Colonial Heritage Affect Optimal Branding Strategies? Evidence From the Rice Sector in Senegal

Agribusiness, EarlyView.
ABSTRACT Africa's cultural and colonial heritage has profoundly segmented rice markets. Whereas in ancient centers of rice domestication, consumers maintained preferences for local rice consistent with their cultural heritage, preferences have shifted toward imported Asian rice in coastal areas around seaports, due to prior exposure to colonial import ...
Kofi Britwum, Matty Demont
wiley   +1 more source

An experimental study on the effect of rock properties on the production of fine materials by a conical pick. [PDF]

Sci Rep
Kadkhodaei MH, Ghasemi E, Khademi Hamidi J, Rostami J.   +3 more
europepmc   +1 more source

Experimental study on the performance and mechanism of high-pressure abrasive water jet cutting GFRP bars reinforced concrete structures. [PDF]

Sci Rep
Xu J, Yu H, Huang C, Li B, Liu B, Qiu J, Wang J.   +6 more
europepmc   +1 more source

Optical visualization of the full-field swelling of laminated rocks. [PDF]

Sci Rep
Liu J, Bai L, Jia Q, Liu X, Zhou L.
europepmc   +1 more source

Laboratory and numerical investigation of cutting tool performance using a new small-scale linear cutting machine. [PDF]

Sci Rep
Chakeri H, Maleki A, Shakeri H, Darbor M, Mousapour H.   +4 more
europepmc   +1 more source

Mechanism and engineering practice of roof stability for secondary gob-side entry retaining in deep mines. [PDF]

Sci Rep
Wu J, Chen J, Xie F.
europepmc   +1 more source

Simulation study of rock-breaking performance of TBM cone-shape cutterhead under different tunneling parameters in spiral tunnel. [PDF]

Sci Prog
Lin L, Liu K, Ji Z, Qi M, Wang J, Xiao J, Xia Y, Yang M.   +7 more
europepmc   +1 more source

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ROCK CUTTING BY LASER

Proceedings of Fall Meeting of the Society of Petroleum Engineers of AIME, 1971
Introduction A recent study of laser-assisted mechanical rock tunneling, conducted at the United Aircraft Research Laboratories under Department of Transportation sponsorship, had as a goal the investigation of laser-assisted mechanical rock fracture for use in tunneling machines boring in extremely hard rock.
Jeffrey P. Carstens, Clyde O. Brown
openaire   +1 more source

Linear Rock Cutting with SMART*CUT Picks

Applied Mechanics and Materials, 2013
The short life due to heavy wear is a bottleneck that limits the usage of mechanical excavators for hard rock cutting. Thermally stable diamond composite (TSDC) tipped cutting tools have the main advantages of good thermal stability, high wear resistance and ability to mine harder deposit compared to the conventional tungsten carbide (WC) tipped ...
Shao, W., Li, X.S., Sun, Y., Huang, H.
openaire   +2 more sources