Abstract: A static scroll and a scroll compressor are provided. The static scroll has a scroll body, a partition, and a protrusion of a closed annular shape. The scroll body has a working fluid inlet and a working fluid outlet, and defines a working fluid flow groove having an open end. The partition is disposed in the working fluid flow groove to divide the working fluid flow groove into a working fluid entry cavity and a working fluid compression cavity. The working fluid entry cavity connects the working fluid inlet with the working fluid compression cavity, and the working fluid outlet is in communication with the working fluid compression cavity. The protrusion is disposed on the scroll body and surrounds the open end of the working fluid flow groove.

Abstract: An eccentric slider for a crankshaft, a scroll compressor, and a temperature control device are provided. The eccentric slider has a slider body. An assembly hole is formed in the slider body. The assembly hole allows insertion of an eccentric shaft segment of the crankshaft. An outer peripheral wall surface of the slider body has a bearing surface and a non-bearing surface opposite to the bearing surface. The bearing surface drives an orbiting scroll. A hollow portion is formed on the non-bearing surface. The hollow portion accommodates an oil.

Abstract: Systems and methods for disposing of unwanted pharmaceutical formulations are provided. systems and methods that an individual may use for disposing of unwanted pharmaceutical formulations are provided. Even more specifically, systems and methods that that an individual may use for disposing of unwanted pharmaceutical formulations that include combining the unwanted pharmaceutical formulation with a pharmacological agent activity mitigation component in a disposal container, placing the disposal container in a delivery package, and shipping the delivery package for disposal are provided.

Abstract: A fully degradable non-woven fabric produced by melt-blown extrusion and an application thereof in the production of medical masks. The fully degradable non-woven fabric is produced through steps of: (S1) preparation of caprolactone-lactic acid random copolymer; (S2) preparation of copolymerized modified PLA; and (S3) preparation of non-woven fabric by the melt-blown extrusion.

Abstract: A scroll compressor and an air conditioning system are provided. The scroll compressor has a housing, a compression mechanism portion, a main frame, a motor, a crankshaft, a main balancing block and an exhaust pipe. In a radial direction of the housing, the exhaust pipe extends into the housing at a depth W, and an outer peripheral wall of the main balancing block is located at a distance L from an inner wall of the housing, where 0.47?W/L?0.93. In this way, a part of a high-pressure oil-gas mixture generated by the compression mechanism portion is discharged through cyclone separation of the main balancing block and mechanical separation of the housing; and the other part of the high-pressure oil-gas mixture flows into an axial channel to achieve oil and gas separation while cooling the motor, and is subsequently discharged.

Abstract: The present disclosure relates to a method for adjusting grouting parameters in preparation of a ceramic composite fiber-based catalytic filter tube, and a method and a device for preparing a ceramic composite fiber-based catalytic filter tube. In the present disclosure, a loading reference value of a slurry is determined by a fiber length, a pH value, and a solid phase content of the slurry, thus evaluating a performance value of the slurry; initial working parameters for preparation are determined by comparing the loading reference value of the slurry with a preset value. During the actual preparation, a grouting amount is introduced to conduct conversion check on a quality of the slurry, so as to ensure a grouting pressure and a grouting pressure holding time during the grouting.

Abstract: Disclosed herein is a method for preparing a low-cost fully-biodegradable plant fiber starch tableware. A plant cellulose material containing dregs of Scutellaria baicalensis is modified to obtain a modified plant fiber starch blank. Konjac gum is subjected to pulverization and ultrafine pulverization to obtain a colloidal binder combined with a deacetylated konjac gum. The colloidal binder is mixed with the modified plant fiber starch blank to obtain a mixture. The mixture is subjected to foam molding in a forming mold to obtain the low-cost fully-biodegradable plant fiber starch tableware.

Abstract: A method of desulfurizing a liquid hydrocarbon having the steps of: adding a liquid hydrocarbon to a vessel, the hydrocarbon having a sulfur content; adding a catalyst and an oxidizer to create a mixture; oxidizing at least some of the sulfur content of the liquid hydrocarbon to form oxidized sulfur in the liquid hydrocarbon; separating the liquid hydrocarbon from the mixture; and removing at least some of the oxidized sulfur from the liquid hydrocarbon. Such methods can be carried out by batch or continuously. Systems for undertaking such methods are likewise disclosed.

Abstract: A method for preparing urea ammonium nitrate solution from waste nitric acid after stripping tin from circuit board includes: causing the waste nitric acid after stripping tin and the ammonia water to undergo neutralizing and precipitating reaction through acid-base neutralization, filtering, thereby obtaining tin-containing filter mud and a primary filtrate; adding iron powders into to the primary filtrate to initiate copper-iron replacement reaction, filtering, thereby obtaining iron-containing coarse copper powders and a secondary filtrate; adding hydrogen peroxide to the secondary filtrate, filtering, thereby obtaining an iron-containing sludge and a tertiary filtrate; adding a heavy metal capturing agent to the tertiary filtrate, filtering, thereby obtaining a heavy metal sludge and an ammonium nitrate solution; measuring a concentration of the ammonium nitrate solution, adding urea and liquid fertilizer corrosion inhibitor to obtain a urea/ammonium nitrate dilute solution, evaporating and concentrating

Abstract: The present application relates to a preparation method for recycling inorganic salt in printing and dyeing wastewater and comprises the following process steps: S1, performing impurity removal, softening, COD removal and decoloration on reverse osmosis (RO) membrane concentrated water to obtain pretreated wastewater; S2, performing two-stage electrodialysis on the wastewater obtained in step S1: returning fresh water obtained in a first-stage electrodialysis desalination chamber to a front end of the RO process, and taking saline water obtained in a concentration chamber as raw water of a second-stage electrodialysis desalination chamber and a second-stage electrodialysis concentration chamber; and returning the fresh water obtained by the second-stage electrodialysis desalination chamber to the first-stage electrodialysis concentration chamber; and S3, dealkalizing the concentrated saline water obtained in the step S2 and then adjusting the pH value to obtain concentrated saline water capable of being reuse

Abstract: Per- and polyfluoroalkyl substances (PFAS) are destroyed by oxidation in supercritical conditions. PFAS in water can be concentrated and prepared for destruction in a pretreatment phase. Following annihilation of the PFAS in supercritical conditions to levels below 5 parts per trillion (ppt), the water effluent can be used to recover heat, returned to sub-critical conditions, and then released back into the environment.

Abstract: A wearable radon detector is an apparatus that measures radon exposure around a user. The apparatus includes a housing, an elongated plate, and a radon-detecting foil strip. The housing contains the elongated plate and the radon-detecting foil strip. The elongated plate positions and maneuvers the radon-detecting foil strip. The housing includes a receptacle portion, a storage portion, a first breakaway line, a plate-receiving slot, and a plurality of air passages. The elongated plate includes a grasping member, a setting member, and a second breakaway line. Radon collects within the receptacle portion through the plurality of air passages. The storage portion shields the radon-detecting foil strip once setting member has been slid from the receptacle portion and into the storage portion, the receptacle portion has been separated from storage portion along the first breakaway line, and the grasping member has been separated from the setting member along the second breakaway line.

Abstract: Disclosed are basic copper chloride particulate matter and a preparation method therefor. The basic copper chloride particulate matter is mainly composed of basic copper chloride particles, and the basic copper chloride particles, with a particle size of 60-250 ?m, in the basic copper chloride particulate matter comprise 97% or more of the total mass of the basic copper chloride particulate matter.

Abstract: Disclosed in the present invention is an integrated catalyst system for stoichiometric-burn natural gas vehicles, the catalyst system consisting of a three-way catalyst, a molecular sieve catalyst, and a base body, the three-way catalyst and the molecular sieve catalyst being coated on a surface of the base body. In the integrated three-way catalyst and molecular sieve catalyst system of the present invention, at the same time that pollutants such as CO, HC, and NOx in the exhaust of stoichiometric-burn natural gas vehicles are processed, the produced byproduct NH3 can also be processed, and the conversion rates of CO, HC, NOx, and NH3 are high.

Abstract: A gas irradiation system has an irradiation chamber having a plurality of compartments disposed circumferentially about a central axis. One of the compartments is an inlet compartment. The inlet compartment has an aperture at the bottom through which gas flows from the compartment. The irradiation chamber comprises a plurality of UV lights which are configured to irradiate the gas and neutralize pathogens as the gas flows through the irradiation chamber. Circumferentially adjacent to one side of the inlet compartment is an outlet compartment. Circumferentially adjacent in the opposite circumferential direction on the other side of the inlet compartment is the first of a plurality of intermediate compartments. These intermediate compartments extend circumferentially about the central axis between the inlet compartment and the outlet compartment.

Abstract: A marine monitoring and debris collection scow is provided, the scow comprising: a hull which includes an open stern, a bow opposite the open stern, a deck extending between the open stern and the bow and forming a bottom on an underside, the bottom extending between the open stern and the bow; a frame, the frame which is attached to the deck, the frame including a front, a back which is opposite the front and sides extending between the front and the back; at least one flotation chamber which extends around the sides and the front of the frame and forms a gunwale; a housing mounted on the deck; and a microcontroller unit housed in the housing, the microcontroller unit configured to receive a data set from at least one sensor, to store the data set, to process the data set into a processed data set and to send the processed data set to a radio.

Abstract: The present disclosure provides, in part, a solvent compound for use as a coalescent. More specifically, the present disclosure relates to VOC-exempt solvent compounds that may be used as coalescents and/or retarding solvents.

Abstract: A scroll compressor is provided. The scroll compressor has a housing, a partition plate, a rack, a movable scroll plate, a stationary scroll plate and a pressure relief low-speed rotation structure. The partition plate is in the interior of the housing and divides the interior of the housing into a suction space and a discharge space, and has a first through to communicate the suction space with the discharge space. The rack is in the suction space and spaced apart from the partition plate. The movable scroll plate is movably provided on the rack. The stationary scroll plate is provided on the rack and cooperates with the movable scroll plate, and has a second through hole communicating with the discharge space. The pressure relief low-speed rotation structure is provided on the stationary scroll plate and configured to communicate the second through hole with the discharge space.

Abstract: A scroll structure and a compressor are provided. The scroll structure has a first scroll plate, a second scroll plate matching the first scroll plate, a back pressure plate and a floating plate. The first scroll plate and the second scroll plate can move relative to each other. A recess is provided at one end of the second scroll plate facing away from the first scroll plate. A first through hole is provided on the second scroll plate. The back pressure plate is arranged in the recess. A gap is provided between the back pressure plate and a side wall of the recess. The floating plate is movably arranged on the back pressure plate. The floating plate covers the gap. A first chamber is formed among the second scroll plate, the back pressure plate and the floating plate. The first through hole is in communication with the first chamber.

Abstract: A method for purifying ferric chloride, the method including: 1) adding an oxidant to an aqueous solution of an iron-containing chloride for oxidation of Fe2+, to yield a ferric chloride solution; 2) adding industrial hydrochloric acid and butyl acetate to the ferric chloride solution, shaking and resting a mixture of the ferric chloride solution, the industrial hydrochloric acid, and butyl acetate for phase separation, to yield an organic phase and an aqueous phase; 3) adding a stripping agent to the organic phase, shaking, and resting a mixture of the stripping agent and the organic phase; and collecting an aqueous phase including ferric chloride; and 4) evaporating and concentrating the aqueous phase including ferric chloride, removing butyl acetate, to yield purified ferric chloride.