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41 results about "Inhalation chamber" patented technology

Inhalation Exposure Chamber. Lab Products Inhalation Exposure Chambers provide an innovative approach to inhalation research for your acute, chronic and subchronic studies. A self-contained, “live-in” feature reduces set-up, tear-down and related husbandry costs. The unit allows for a 100% concentration within 15 minutes.

Dry powder inhalers having spiral travel paths, unit dose microcartridges with dry powder, related devices and methods

Dry powder inhalers include: (a) a first generally planar spiral travel path in an inhaler body, wherein the first spiral travel path has a plurality of adjacent curvilinear channels forming lanes with upstanding sidewalls, including an inner lane and an outer lane; and (b) a plurality of discrete sealed microcartridges with substantially rigid bodies disposed in the first travel path, each comprising a pre-metered (typically dose) amount of dry powder, the microcartridges being configured to slidably advance along the first travel path toward an inhalation chamber that merges into an inhalation output port. In operation, at least one microcartridge is held in the inhalation chamber to release the dry powder therein during inhalation.
Owner:ORIEL THERAPEUTICS INC

Automated inhalation toxicology exposure system

In one embodiment, a method includes but is not limited to exposing an animal to an inhalant; acquiring near real time measurement of at least respiration during said exposing; and calculating a received dose of the inhalant in response to the near real time measurement of the at least respiration during said exposing. In one embodiment, a method includes but is not limited to automatically controlling an environment of an inhalant chamber; and automatically controlling a concentration of an inhalant in the inhalant chamber. In one embodiment, a method includes but is not limited to displaying near real time measurement data related to an animal in an inhalant chamber. In addition to the foregoing, other method embodiments are described in the claims, drawings, and text forming a part of the present application. In one or more various embodiments, related systems include but are not limited to circuitry and / or programming for effecting the foregoing-described method embodiments; the circuitry and / or programming can be virtually any combination of hardware, software, and / or firmware configured to effect the foregoing-described method embodiments depending upon the design choices of the system designer. In one embodiment, a system includes but is not limited to at least one inhalant chamber; and at least one animal respiration sensor integral with the at least one inhalant chamber.
Owner:UNITED STATES ARMY U S ARMY MEDICAL RES & MATERIEL COMMAND

Substance inhalation system

A substance inhalation system includes a mixing flask that is in fluid communication with plural inhalation chambers. A test vapor can be selectively and individually provided to the inhalation chambers. Moreover, individual inhalation chambers can be selectively removed from the substance inhalation system without test vapor leaking from any of the inhalation chambers.
Owner:COLE MAURY DEAN

Mouth mask special for respiratory tract infectious disease sickrooms and its using method

The special mouth mask includes a bowl shape mouth mask body and fixing belts. The mouth mask body is connected with an air suction passage and an exhalation passage. The air suction passage and the exhalation passage are respectively disposed with an air suction shutter and an exhalation shutter. The air suction shutter opens inward and the exhalation shutter opens outward. The using method for the mouth mask is to connect the air suction passage with an air intake pipe in sickroom and connect the exhalation passage with an air discharge pipe by soft pipes, the air intake and output pipes in each sickroom are connected to total air intake and discharge pipes to form the special mouth mask respiratory system. The respiratory system has three work modes of natural respiration, ventilation respiration and compulsion respiration. The mouth mask can collect the gas including virus exhaled by patient, and discharge the gas after disinfection to the outdoor air, and reduce the sickroom pollution; the patient can suck outdoor fresh air; the operation operating medical person can reduce the rate of infection by wearing the mouth mask. The invention is simple in structure, low in manufacturing cost and can be easily actualized.
Owner:刘军屹

Rotor-type internal-compression oil-gas mixed transport pump unit

The invention relates to a rotor-type internal-compression oil-gas mixed transport pump unit, and belongs to the technical field of fluid transportation devices. The unit comprises a housing which supports a pair of conjugated rotors engaged with each other; the cavity in the housing is partitioned by the conjugated rotors into an inhalation chamber and a discharging chamber; the inhalation chamber is equipped with a fluid inlet, and the discharging chamber is equipped with a fluid outlet; the discharging chamber is partitioned into an engaging area and a discharging area by an isolating wall which is disposed between the conjugated rotors and the fluid outlet; at least one one-way valve is disposed at the isolating wall; when the one-way valve is closed, the engaging chamber is completely isolated from the discharging chamber are; when the one-way valve is opened, the engaging chamber is communicated with the discharging chamber. Even in a multiphase medium transporting process with an unstable gas-liquid ratio, the rotor-type internal-compression oil-gas mixed transport pump unit of the invention has the unique function of internally compressing the gas medium, pressurizing the gas to a discharging pressure so as to discharge the gas out of the pump; the invention can completely eliminate the gas blocking phenomenon, and can reliably realize the internal-compression transporting process of the transported multiphase medium.
Owner:ZHEJIANG XIANJU PHARMA

Dry powder inhalers having spiral travel paths, unit dose microcartridges with dry powder, related devices and methods

Dry powder inhalers include: (a) a first generally planar spiral travel path in an inhaler body, wherein the first spiral travel path has a plurality of adjacent curvilinear channels forming lanes with upstanding sidewalls, including an inner lane and an outer lane; and (b) a plurality of discrete sealed microcartridges with substantially rigid bodies disposed in the first travel path, each comprising a pre-metered (typically dose) amount of dry powder, the microcartridges being configured to slidably advance along the first travel path toward an inhalation chamber that merges into an inhalation output port. In operation, at least one microcartridge is held in the inhalation chamber to release the dry powder therein during inhalation.
Owner:ORIEL THERAPEUTICS INC

Substance inhalation system and method

A stand-alone chamber or multi-chamber inhalation system has at least two alternative vaporized test liquid supply systems for passive or self-administered delivery of vaporized test fluid and air to one or more test chambers, which can be passive or restraint chambers, based on operator selection of delivery on and off times in a passive mode or actuation of an actuator in the chamber by a test animal in a self-administered mode. In one case, a multiple inhalation chamber system has two or more separate test fluid delivery systems and provides options for selective passive uniform drug delivery to multiple chambers or selective delivery of two or more different drugs to different groups of chambers from different delivery systems so that two different drugs or different concentrations of delivered drugs can be tested simultaneously.
Owner:COLE MAURY D

Nebulizer device for medical aerosols

A nebulizer device including a mesh aerosol generator combined with an inhalation chamber formed with three openings and a single one-way expiratory valve, a first opening being connected to the patient and used for the transport and administration of the particles from the device to the patient, the said first opening being placed upstream of the aerosol generator, a second opening placed upstream of the device aerosol generator allowing the passage of air from the outside of the chamber to the inside of the inhalation chamber, and allowing the complete ventilation of the inside of the inhalation chamber, a third opening, placed downstream of the aerosol generator and upstream of the said first opening, provided with a single one-way expiratory valve allowing the exhalation of the air from the patient through this third opening, the said third opening being closed by means of the one-way expiratory valve during the inhalation phases and open during the exhalation phases, and whereby the resistance of the said third opening, combined with that of the expiratory valve is less than the resistance of the second opening.
Owner:LA DIFFUSION TECHN FR

Substance inhalation system

A substance inhalation system includes a mixing flask that is in fluid communication with plural inhalation chambers. A test vapor can be selectively and individually provided to the inhalation chambers. Moreover, individual inhalation chambers can be selectively removed from the substance inhalation system without test vapor leaking from any of the inhalation chambers.
Owner:COLE MAURY DEAN

Rotor-type internal-compression oil-gas mixed transport pump unit

The invention relates to a rotor-type internal-compression oil-gas mixed transport pump unit, and belongs to the technical field of fluid transportation devices. The unit comprises a housing which supports a pair of conjugated rotors engaged with each other; the cavity in the housing is partitioned by the conjugated rotors into an inhalation chamber and a discharging chamber; the inhalation chamber is equipped with a fluid inlet, and the discharging chamber is equipped with a fluid outlet; the discharging chamber is partitioned into an engaging area and a discharging area by an isolating wallwhich is disposed between the conjugated rotors and the fluid outlet; at least one one-way valve is disposed at the isolating wall; when the one-way valve is closed, the engaging chamber is completely isolated from the discharging chamber are; when the one-way valve is opened, the engaging chamber is communicated with the discharging chamber. Even in a multiphase medium transporting process with an unstable gas-liquid ratio, the rotor-type internal-compression oil-gas mixed transport pump unit of the invention has the unique function of internally compressing the gas medium, pressurizing the gas to a discharging pressure so as to discharge the gas out of the pump; the invention can completely eliminate the gas blocking phenomenon, and can reliably realize the internal-compression transporting process of the transported multiphase medium.
Owner:嘉兴力特泵业有限公司 +2

Vortex type compressor

The invention relates to a scroll compressor with simple structure for realizing the suppression of loss and the improvement of efficiency, including: the first space (33) for guiding lubricating oil laying up the bottom of the airtight container, which is provided on the reverse center of the circle turbination (8); the second space formed as pressure between the discharge pressure and the suction pressure, provided on the reverse of the circle turbination (8), for adjusting the pressure of the second space (18), also including a back pressure control valve (2) for making the liquid in the second space (18) break away from inhalation chamber or compression chamber via access (2f), based on difference between the pressure in the second space (18) and the pressure in the compression early days or the suction pressure guiding by access (2f) formed on the fixing turbination (7), in which, through hole is provided on the grooved tape (8b) of the circle turbination (8), so connecting the second space (18) with the compression chamber in which the mean pressure is higher than the mean pressure in the access (2f).
Owner:HITACHI APPLIANCES INC

Gas ejector

In order to solve the problem that the structures of a nozzle and a throat section need to be redesigned and manufactured when the area ratio of an existing ejector is changed, the invention provides a gas ejector which comprises a suction chamber, a diffusion outer cylinder and an exhaust tail pipe which are sequentially communicated and coaxial, wherein the diffusion outer cylinder comprises a mixing part, a contraction part, a throat part and an expansion part; and the suction chamber is fixedly provided with an annular spray pipe, a diffusion cone is fixedly arranged in the diffusion outer cylinder and comprises a conical cone section I, a circular truncated cone-shaped cone section II and a circular truncated cone-shaped cone section III, the conical section I, the conical section II and the conical section III are sequentially and coaxially connected, the diffusion cone is coaxial with the diffusion outer cylinder, the bottom of the conical section I is connected with the upper bottom of the conical section II, the bottom of the conical section II is connected with the lower bottom of the conical section III, the lower bottom of the conical section II is connected with the lower bottom of the third conical section, the conical section I is located in the contraction part, the conical section II is located in the throat part, the conical section III is located in the expansion part, and the outer molded surface of the conical section II is parallel to the inner wall of the throat part. The gas ejector is compact in structure, facilitates the size with higher throat sections, simple in structure, easy to machine and manufacture and convenient to mount.
Owner:郭孝国

Acidic etching liquid recycling anti-recoil bipolar jet flow chlorine gas absorber

The invention discloses an acidic etching liquid recycling anti-recoil bipolar jet flow chlorine gas absorber which structurally comprises a diffusion hole and a throat pipe section, wherein the holeand the throat pipe section are connected and communicate with each other; a suction chamber is adopted for absorption treatment on a chlorine gas; a chlorine gas is sucked out through a gas suction pipe; and a remaining liquid is output through a reducing chamber. When a liquid blown out from a nozzle is blocked by a liquid which is not output in time, the direction of the liquid is guided by a guide hole inside, a reverse holding strip can be expanded, the liquid can be expanded and held by a protection core inside, an angle expansion bag is stressed to enable a swinging angle of the angle expansion bag to swing inside a middle fixing core, in the swinging process, a clamping protection hole plays a role of protection on the liquid, the gas suction pipe is capable of carrying out absorption circulation continuously, a few liquid with the chlorine gas has a recoiling phenomenon in the screening and absorption process of the chlorine gas, then the liquid can be clamped in seams and canbe baffled and pushed back in time, chlorine gas absorption is not affected, and the liquid is not clamped in the seams to form certain color layers in which other organisms can be generated.
Owner:黄细香

Ventilation system and air conditioner

The invention provides a ventilation system. The ventilation system comprises a shell, an air chamber, a conversion air duct and an air valve mechanism, wherein the air chamber, the conversion air duct and the air valve mechanism are arranged in the shell; an air inlet, a first conversion opening, an air outlet, a second conversion opening, a fan and a filtering mechanism are arranged in the air chamber, the air inlet and the first conversion opening are in communication with the air inlet end of the fan through the filtering mechanism, and the air outlet and the second conversion opening are in communication with the air inlet end of the fan; a ventilation opening is formed in the conversion air duct, and the conversion air duct communicates with the first conversion opening and the second conversion opening; and the air valve assembly is connected with the air inlet, the first conversion opening, the air outlet and the second conversion opening. According to the ventilation system, the double-flow-direction conversion air duct design is adopted to achieve suction and exhaust integration of a ventilator, air duct switching is achieved through the air valve assembly, and the ventilation assembly achieves multiple functions of outdoor fresh air suction, indoor dirty air exhaust and indoor air purification circulation.
Owner:PANASONIC HOME APPLIANCES AIR CONDITIONING GUANGZHOU CO LTD

Scrap-cutting conveyor with cooling liquid filtering apparatus

The present application discloses a scrap-cutting conveyor, the conveyor separates cooling liquid that discharged from processing machine with scrap into scrap and cooling liquid, discharges the scrapto the outside of the processing machine, and uses the cooling liquid circularly. The scrap-cutting conveyor comprises: conveyor, which includes a conveyer belt for conveying the cooling liquid to the output port of the scrap, and hatch for discharging the cooling liquid that contains scrap; scrap collecting device for receiving the cooling liquid discharged from said hatch, the scrap collectingdevice has a scrap filter for collecting the scrap in the cooling liquid and discharging the cooling liquid to the cooling liquid box; and cooling liquid box for receiving said conveyor and scrap collecting device from bottom to top, the cooling liquid box includes pump inhalation chamber that separates with said scrap collecting device.
Owner:DOOSAN MACHINE TOOLS CO LTD

Portable in-exsufflator

The present invention relates to a portable in-exsufflator, and the objective of the present invention is to provide a portable in-exsufflator for maximally simplifying an air passage so as to minimize a flow loss.The in-exsufflator comprises: a manifold having a first accommodation part and a second accommodation part, which are formed at an upper part thereof, and an inhalation chamber and an exhalation chamber, which are formed at a lower part thereof; an air pressure generation unit for suctioning and discharging air by means of a fan rotating by a rotational force transmitted from a motor, and having an air suction port connected to the inhalation chamber and an air discharge port connected to the second accommodation part; a direction-switching valve unit coupled to the first accommodation part, and switching a direction so as to allow external air to flow therein and be supplied to respiratory organs or to suction the air from the respiratory organs by using the air pressure generated from the air pressure generation unit; and a high-frequency oscillation wave generation means coupled to the second accommodation part, and generating a high-frequency oscillation wave when the external air having flowed therein is supplied to the respiratory organs or the air is suctioned from the respiratory organs, wherein a plurality of communication ports are formed around the first accommodation part of the manifold such that the communication ports respectively communicate with an external air flow port, the inhalation chamber and the exhalation chamber.
Owner:SEOIL PACIFIC CORP

Method and device for controlling ventilation device and ventilation equipment

The invention relates to the technical field of intelligent household appliances, and discloses a method for controlling a ventilation device. The method for controlling the ventilation device comprises the steps that when it is determined that the ventilation function needs to be started, indoor air pressure and outdoor air pressure are obtained, and when the indoor air pressure is larger than orequal to the outdoor air pressure, outdoor air is sucked in through a first air duct, and indoor air is sucked in through a second air duct. By the adoption of the method, the ventilation device canexchange air according to the rated power, and energy waste is reduced. The invention further discloses a device for controlling the ventilation device and ventilation equipment.
Owner:CHONGQING HAIER AIR CONDITIONER CO LTD +2

Atmosphere injector and machining technology thereof

InactiveCN110671370ADoes not affect appearance shapeEasy to useJet pumpsMachines/enginesEngineeringMachining process
The invention discloses an atmosphere injector and a machining technology thereof and belongs to the technical field of atmosphere injectors. The atmosphere injector comprises a suction chamber, a diverging pipe and a diffusion pipe. A suction opening is formed in the suction chamber, and gaskets are further connected to the outer walls of the two sides of the suction chamber. The diverging pipe is in threaded connection to the gasket at the end, away from the suction opening, of the suction chamber. A throat pipe is further connected between the diverging pipe and the diffusion pipe. A firstflange is connected to the suction opening, and a second flange is connected to the outer wall of the diffusion pipe. First grooves which are matched are formed in the outer wall of the suction chamber and the gaskets. Cushion blocks are connected to the outer walls of the two sides of the throat pipe, and clamping grooves matched with the cushion blocks are formed in the diverging pipe and the diffusion pipe. By means of the atmosphere injector and the machining technology thereof, manufacturing is easy, assembling is convenient, the practical performance is stable, the use range is wide, andthe work efficiency is improved.
Owner:河北欧姆隆机械有限公司

Annular ejector

The invention relates to an air-gas ejector, in particular to an annular seam ejector with high ejection efficiency, small volume and easy installation. Including the main body of the ejector, the interior of the main body of the ejector is respectively equipped with a suction chamber cavity, a diffuser cavity, an annular Laval nozzle, and an annular air chamber. The annular air chamber is connected to the suction chamber through the annular Laval nozzle. The body is connected, the cavity of the suction chamber is connected with the cavity of the diffuser, and the main body of the ejector is provided with an ejector gas inlet hole connected with the annular air chamber. The inlet of the Laval nozzle of the present invention is a tapered ring, and the outlet is a gradually expanding ring. The high-speed airflow passing through the ring-shaped Laval nozzle is ring-shaped, and a vacuum environment is formed in the middle part of the ring-shaped outlet. The gas is sucked in from the middle and mixed with the ejected gas, and then the mixed gas is discharged through the diffuser cavity. This annular slot ejector has a strong suction ability and higher efficiency, and the pressure of the pumped gas can be as low as possible. Up to ‑98KPa, and smaller in size for easy installation.
Owner:河北恒德环保科技有限公司

Method and device capable of increasing oxygen storage space of nasal catheter oxygen therapy

The invention discloses a method and device capable of increasing the oxygen storage space of nasal catheter oxygen therapy, and relates to the technical field of medical treatment, in particular to a method and device capable of increasing the oxygen storage space of nasal catheter oxygen therapy. The aerosol mask is provided with a sealing connector matched with a sprayer in a threaded mode, the aerosol mask is further provided with two pipe openings matched with the hollow threaded pipe, a filtering mechanism is arranged in the hollow threaded pipe, and the hollow threaded pipe is sleeved with a clamping hoop. According to the improved aerosol mask, the threaded pipe collects oxygen provided by the oxygen supply device during expiration, and a patient inhales an oxygen-rich gas mixture stored in the threaded pipe and the aerosol mask during inspiration, so that the patient is prevented from inhaling indoor air, and the oxygen inhalation concentration of the patient is increased.
Owner:董敏

An apparatus for receiving, spreading/extending and flattening

The invention relates to an apparatus (100) for receiving and spreading out / extending cloth (3), such as pieces of laundry, comprising a set of spreader clamps (120) for releasably receiving a pair of corners of said cloth (3) and for spreading out of said cloth (3), a suction box system (S) including: a suction chute (170) connected with a front portion of a suction chamber (200) and having a mouth for receiving said cloth (3), and a suction fan (119) communicating with a rear portion of said suction chamber (200) via a number of air flow passages (185), the suction fan (119) establishing suction in said suction chamber (200) and said suction chute (170), whereby said suction box system (S) additionally includes a discharge conveyor (C) for the discharge of cloth (3) collected in said suction chamber (200), a discharge gate (320) selectively openable for said discharge, and an air access gate (430) operable for temporarily reducing suction applied by said fan (119) through said air flow passages (185).
Owner:JENSEN DENMARK

Rotor-type internal-compression oil-gas mixed transport pump unit

The invention relates to a rotor-type internal-compression oil-gas mixed transport pump unit, and belongs to the technical field of fluid transportation devices. The unit comprises a housing which supports a pair of conjugated rotors engaged with each other; the cavity in the housing is partitioned by the conjugated rotors into an inhalation chamber and a discharging chamber; the inhalation chamber is equipped with a fluid inlet, and the discharging chamber is equipped with a fluid outlet; the discharging chamber is partitioned into an engaging area and a discharging area by an isolating wallwhich is disposed between the conjugated rotors and the fluid outlet; at least one one-way valve is disposed at the isolating wall; when the one-way valve is closed, the engaging chamber is completely isolated from the discharging chamber are; when the one-way valve is opened, the engaging chamber is communicated with the discharging chamber. Even in a multiphase medium transporting process with an unstable gas-liquid ratio, the rotor-type internal-compression oil-gas mixed transport pump unit of the invention has the unique function of internally compressing the gas medium, pressurizing the gas to a discharging pressure so as to discharge the gas out of the pump; the invention can completely eliminate the gas blocking phenomenon, and can reliably realize the internal-compression transporting process of the transported multiphase medium.
Owner:CHINERGY CO LTD

Suction nozzle for suction of coarse particles and fine dust

The invention relates to a suction nozzle of a vacuum cleaner for absorbing dirt and / or dust from the floor by means of a suction airflow, which has a housing (1), a suction chamber (3) formed inside the housing (1), for guiding the suction airflow And lead to the suction channel (4) in the suction chamber (3) and form the suction opening (5) as the bottom side opening of the suction chamber (3), wherein the suction opening (5) has a central suction opening section (6 ) and two side suction inlet sections (7) located on both sides of the central suction inlet section (6), and the suction inlet (5) is arranged so that part of the suction airflow ≥ 40% and ≤ 65% flows through the central suction Mouth section (6).
Owner:VORWERK & CO INTERHOLDING GMBH

Substance inhalation system and method

A stand-alone chamber or multi-chamber inhalation system has at least two alternative vaporized test liquid supply systems for passive or self-administered delivery of vaporized test fluid and air to one or more test chambers based on operator selection of delivery on and off times in a passive mode or actuation of an actuator in the chamber by a test animal in a self-administered mode. In one case, a multiple inhalation chamber system has two or more separate test fluid delivery systems and provides options for selective passive uniform drug delivery to multiple chambers or selective delivery of two or more different drugs to different groups of chambers from different delivery systems so that two different drugs or different concentrations of delivered drugs can be tested simultaneously.
Owner:COLE MAURY D

Aromatized methoxyflurane inhalation device for treating traumatic pain in emergency treatment

The invention relates to the technical field of medical supplies, and provides an aromatized methoxyflurane inhalation device for treating traumatic pain in emergency treatment. The device comprises a base end part, a nozzle end part and a coaxial air inhalation-exhalation chamber structure; the air inhalation-exhalation chamber structure comprises an air inhalation chamber and an air exhalation chamber; the air suction chamber and the air exhalation chamber are respectively communicated with the end part of the pipe nozzle through an air inlet channel and an air outlet channel; the end part of the base part is communicated with the air inhalation chamber through a methoxyflurane connecting pipe and an aromatic gas connecting pipe, and is communicated with the air exhalation chamber through an exhaust hole; an evaporation chamber, an air supply chamber and a turbulent flow chamber are sequentially arranged in the air suction chamber from one side of the end part of the base part to one side of the end part of the pipe nozzle, and an air filtering device is arranged in the air exhalation chamber. According to the present invention, the methoxyflurane and the aromatic gas are mixed so as to allow the patient to inhale the aromatized methoxyflurane, such that the effective analgesia is provided while the tolerance of the emergency trauma patient on the analgesic drug is improved.
Owner:TEACHING HOSPITAL OF CHENGDU UNIV OF T C M

Rotor-type internal-compression oil-gas mixed transport pump unit

The invention relates to a rotor-type internal-compression oil-gas mixed transport pump unit, and belongs to the technical field of fluid transportation devices. The unit comprises a housing which supports a pair of conjugated rotors engaged with each other; the cavity in the housing is partitioned by the conjugated rotors into an inhalation chamber and a discharging chamber; the inhalation chamber is equipped with a fluid inlet, and the discharging chamber is equipped with a fluid outlet; the discharging chamber is partitioned into an engaging area and a discharging area by an isolating wallwhich is disposed between the conjugated rotors and the fluid outlet; at least one one-way valve is disposed at the isolating wall; when the one-way valve is closed, the engaging chamber is completely isolated from the discharging chamber are; when the one-way valve is opened, the engaging chamber is communicated with the discharging chamber. Even in a multiphase medium transporting process with an unstable gas-liquid ratio, the rotor-type internal-compression oil-gas mixed transport pump unit of the invention has the unique function of internally compressing the gas medium, pressurizing the gas to a discharging pressure so as to discharge the gas out of the pump; the invention can completely eliminate the gas blocking phenomenon, and can reliably realize the internal-compression transporting process of the transported multiphase medium.
Owner:CHINERGY CO LTD
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