Abstract: A backfilling-type online chromatographic detector for sulphur hexafluoride decomposition products includes: a compression pump, a vacuum pump, a gas storage tank, a first six-way valve, a second six-way valve, a first chromatographic column, a second chromatographic column and a detector. One end of the compression pump is connected to one end of the vacuum pump, another end of the vacuum pump is connected to one end of the gas storage tank, another end of the gas storage tank is connected to the first chromatographic column through the first six-way valve, the first chromatographic column is connected to the second chromatographic column through the second six-way valve, and the second chromatographic column is connected to the detector.

Abstract: Disclosed is knee protection equipment including: a unit for resting on the ground, intended to be positioned in the immediate vicinity of the knee, and/or the unit resting on the ground being intended to be positioned level with the tibia; a harness intended to be arranged level with the pelvis; the harness and the unit for resting on the ground being connected by a rigid arm intended to be positioned laterally and externally to the thigh, the equipment being able to pass from a standing position in which the unit for resting on the ground are positioned level with the knee and/or level with the tibia, to a kneeling position in which the unit for resting on the ground bear on the ground and are able to transmit at least part of the vertical load force to the harness.

Abstract: Disclosed is knee protection equipment including: a unit for resting on the ground, intended to be positioned in the immediate vicinity of the knee, and/or the unit resting on the ground being intended to be positioned level with the tibia; a harness intended to be arranged level with the pelvis; the harness and the unit for resting on the ground being connected by a rigid arm intended to be positioned laterally and externally to the thigh, the equipment being able to pass from a standing position in which the unit for resting on the ground are positioned level with the knee and/or level with the tibia, to a kneeling position in which the unit for resting on the ground bear on the ground and are able to transmit at least part of the vertical load force to the harness.

Abstract: Embodiments of social media listening, analytics, and engagement systems and method are described herein where a system user may listen to and analyze social media content based on one or more key terms. The system may expand the key terms and listen to additional social media content based on the expanded terms. The system may also enable a user to engage social media participants related to the social media content via multiple campaigns. Other embodiments may be described and claimed.