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  International Journal of Material and Mechanical Engineering
  [4 followers]  Follow
  This is an Open Access Journal Open Access journal
   ISSN (Print) 2162-0695 - ISSN (Online) 2164-280X
   Published by Science and Engineering Publishing Company Homepage  [47 journals]
  • 3D Flexible, Conductive and Wearable Fabric Strain Sensors

    • Abstract: 3D Flexible, Conductive and Wearable Fabric Strain Sensors
      Pages 10-13
      Author Bingang XuJianfeng LiXiaoming TaoHong H
      3D fabrics are flexible and wearable substrates for making functional apparels and relevant medical equipments with many distinguished qualities. This paper proposes an easily-fabricated method for 3D fabric pressure sensor based on carbon black coated 3D textile fabrics. The as-made sensor is flexible, conductive and stable even after many times of cyclic compressions. It can measure external pressure ranging from 0 to 33 kPa. During the compression process of the sensor, its electrical resistance would decrease due to conductive structure deformation. The sensor has the potential to transfer pressure information into the change of electrical resistance of the sensor, which is more easily acquirable and readable. This property of the sensor can find promising applications in many fields.
      PubDate: 2015-0
  • Stability of Grain Yield of Maize Hybrids in Eight Environments in Mali

    • Abstract: Stability of Grain Yield of Maize Hybrids in Eight Environments in Mali
      Pages 1-9
      Author Coulibaly Mamadou MoryNiaba TemeEssie BlayVernon GracenLate the Charle
      Maize is produced in varying environment dictating yield performance and stability in Mali. To validate yield and stability performance, 78 hybrids and 2 checks were tested across eight environments at six sites in Mali during the rainy season of 2011. Two planting dates were used in Sotuba and Siramana locations to create additional environments. The hybrids were evaluated in Randomized Complete Block Design with two replications for one year. The objectives were (1) to study the nature and the magnitude of the genotype x environment interaction and (2) the grain yield stability within and across environments. Sotuba 1, Sotuba 2, Kebila and Kafara were high yielding environments characterized by better performance and very high yield. Siramana 1, Siramana 2, Tamala, and Koulikoro were low yielding environments which was determined with GGE biplot analysis. Nine hybrids were stable across the high yielding environments. Across the low yielding sites, twenty two hybrids exhibited stable performance. Seven Inbred lines showed positive GCA in high yielding environments indicating a predominance of additive gene action. The best SCAs were obtained with P43SRC9FS100-1- 1-8/V481-73, CML442/87036 and (KU1403x1368)/CML505. The hybrid with the best SCA value P43SRC9FS100-1-1- 8/V481-73 was from parents exhibiting the highest GCA values.
      PubDate: 2015-0
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