35results about How to "Concentration real-time detection" patented technology

The invention relates to the technical field of fuel cells, in particular to a high-selectivity catalytic fuel cell and application thereof. The high-selectivity catalytic fuel cell comprises a cell body, an oxidation electrode, a reduction electrode, a proton exchange membrane arranged between the oxidation electrode and the reduction electrode and a circuit system. The proton exchange membrane separates the cell body into an oxidation chamber and a reduction chamber. The oxidation electrode is arranged in the oxidation chamber. The reduction electrode is arranged in the reduction chamber. The oxidation chamber is used for receiving an energetic agent and the oxidation electrode catalyzes the oxidation reaction of the energetic agent. The reduction chamber is used for receiving an oxidantand the reduction electrode catalyzes the reduction reaction of the oxidant. The electrons generated by the oxidation electrode are transferred to the reduction electrode via the circuit system. Theenergetic agent and the oxidant are pumped directly into the oxidation chamber and the reduction chamber respectively. The energetic agent is directly contacted with the oxidation electrode. The hydrogen ions generated by the energetic agent catalyzed by the oxidation electrode enter the reduction chamber directly through the proton exchange membrane so as to improve the catalytic efficiency.

The invention discloses a medical electric tool sterilizing bag for the orthopedics department. The medical electric tool sterilizing bag comprises a bag body, foam and concentration measuring instruments. The foam is pasted to the inner wall of the bag body, disinfectant is arranged inside the foam, and the bag body comprises a vertical bag body and a horizontal bag body. An electric tool handle and an electric tool shell are sleeved with the vertical bag body and the horizontal bag body respectively. The vertical bag body and the horizontal bag body are connected through a vacuum zipper, the concentration measuring instruments are arranged at the foam positions inside the vertical bag body and the horizontal bag body respectively, a steel ring is installed at the connecting position of the left side of the horizontal bag body and the electric tool shell through an asbestos pad, six through holes with threads are formed in the radial direction of the steel ring, and the steel ring is locked through screws via the through holes. As the electric tool handle and the electric tool shell are sleeved with the sterilizing bag in an attached mode, it is only needed to sterilize an electric tool head and a connecting device, exposed outside, of an electric tool after the electric tool is used, using is convenient, time and labor are saved, and the labor intensity of an operator is low.

The invention belongs to the field of marine environment monitoring, and discloses a device for detecting the concentration of a target substance in seawater, which comprises a pressing ring, a front cylinder, a rear cylinder and a rear end cover which are connected in sequence, an optical glass window is arranged between the pressing ring and the front cylinder; a fluorescent probe is arranged in the front cylinder; an incidence channel and a detection channel are formed in the fluorescent probe, an incidence unit is arranged in the incidence channel, the incidence unit comprises a light source converging lens and a light source which are sequentially arranged, a detection unit is arranged in the detection channel, and the detection unit comprises a fluorescent light collecting lens, an optical filter and a fluorescent light detector which are sequentially arranged; a target substance concentration detection circuit is arranged in the rear cylinder, a mounting hole is formed in the rear end cover, a connector is arranged in the mounting hole and extends into the rear cylinder to be connected with the target substance concentration detection circuit, the center wavelength of the light source is the fluorescence excitation wavelength of a target substance, and the center wavelength of the optical filter is the center wavelength of excitation fluorescence of the target substance. Miniaturized design of the whole detection device is achieved, operation is easy and convenient, and use is convenient.

The invention relates to a cooling liquid for a diamond wire cutting circulation system and a preparation method and a use method thereof. The cutting liquid is mainly prepared by the following components: 10-30 part by weight of modified polyether; and the balance of water, wherein total weight part is 100. By implementing the embodiment of the invention, the cooling liquid has the following beneficial effects that the cooling liquid has a low-foam self-defoaming function, and a defoaming agent component does not need to be additionally added; a thioether group is introduced into a polyether structure so that the modified polyether has relatively low dynamic surface tension and extremely strong wetting ability and adsorption and dispersion performance, and the process is a better spraying circulation cutting process, the product structure system is stable, and the thioether structure has relatively strong antibacterial performance, and is more suitable for a cooling liquid large circulation system; and the problem of influence on cutting production due to bacteria growth of water in the existing circulation system is well controlled.