41 results about "Respiratory zone" patented technology

The invention discloses a dedusting system of a whole factory building, which comprises an air funnel, an air handling unit, a top air-return opening, an air supply pipeline and an air-return pipeline, wherein the air handling unit is arranged outside a workshop, the air funnel is arranged at the lower part of the inner side of the workshop, one end of the air supply pipeline is connected with the air funnel, and the other end of the air supply pipeline is connected with the air handling unit through the air supply pipeline; the top air-return opening is arranged at the top inside the workshop, one end of the air-return pipeline is connected with the top air-return opening and the other end of the air-return pipeline is connected with the air handling unit. The air supply direction of theair funnel is adjusted to change the air distribution of returned air, welding fume with higher temperature drifts upwards under the action of hot buoyancy, the fume further drifts upwards by the push of air sent out from the air funnel and does not move transversely, thereby the welding fume can be avoided from passing through the respiratory zone of the human body; and the fume and harmful gases are sucked into the air handling unit through the air-return pipeline under the suction action of the air-return opening at the top of the workshop and can not be directly removed outdoors, thereby the secondary pollution can not be caused.

The invention relates to a brain protein hydrolyzate compound preparation for nerve protection and nerve repair and a preparation method thereof, belonging to the technical field of pharmacy. In order to solve the problem that the existing cerebroprotein hydrolyzate easily causes allergies and the oral utilization rate is low, the present invention provides a compound preparation of cerebroprotein hydrolyzate for neuroprotection and nerve repair, and the compound preparation is nasal mucosa administration preparation , containing 0.1-5wt% of cerebroprotein hydrolyzate, and also containing pharmaceutical auxiliary materials and water for injection. Administered through the nasal cavity, absorbed through the nasal mucosa, it can be absorbed into the brain in the respiratory area and olfactory area of ​​the nasal cavity, and directly enter the central nervous system. It has the characteristics of rapid absorption, high bioavailability, small side effects, and convenient administration. In the present invention, the brain protein hydrolyzate is made into nano-scale liposomes, so that the active ingredients are more easily absorbed through the mucous membranes, efficiently enter the brain cells and play a role, can maintain the local drug concentration stably for a long time, reduce the drug dosage, and are not easy to cause adverse effects on the body. reaction.

The invention discloses a collision-type respiratory zone air supply system which comprises a U-shaped smoke-blocking vertical wall, an air supply pipe and a static box. The U-shaped smoke-blocking vertical wall comprises a top plate and two side plates which are perpendicular to the top plate and which are symmetrically fixed below the top plate. The top plate and the two side plates form a semi-closed space with a downward opening. The U-shaped smoke-blocking vertical wall is fixedly suspended in a channel. The static box corresponds to the U-shaped smoke-blocking vertical wall and is disposed at the bottom of the channel. The static box is connected with the air supply pipe which is connected with a fan. The upper end of the static box is provided with a second spout and a first spout. The spouts are symmetrically disposed in relation to the U-shaped smoke-blocking vertical wall. Outgoing air from the first spout and outgoing air from the second spout form an included angle and intersect at the lower end of the U-shaped smoke-blocking vertical wall. Both the first and second spouts supply air at the speed of 0.5m / s. The collision-type respiratory zone air supply system guarantees an effective escape channel to be formed in the channel, only the static box is required to be set at a corner of the channel, and excavated volume of the channel is reduced evidently.