air injection definition
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Secondary air injection From Wikipedia, the free encyclopedia. Secondary air injection (commonly known as air injection, or colloquially smog pump or pollution pump) is a vehicle emissions control strategy introduced in 1966, wherein fresh air is injected into the exhaust stream to allow for a fuller combustion of exhaust gases. Contents.
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Oxygen Injection Atmospheric air contains only 21% oxygen, the remainder primarily consisting of nitrogen, and the solubility and maximum transfer rate of oxygen into water is limited by this level of nitrogen.
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- It is impossible for one 9 Day Isagenix Cleanse to completely cleanse your body of a lifetime. of stored up toxins and nutritionally depleted food. We have designed on-going Breakthrough. Strategies and Maintenance for Life packs to provide you with the tools to continue cleansing.
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- AIR Diverter Valve. The secondary air injection diverter (AIR diverter) valve (Figure 123) is used with the electric AIR pump to provide on/off control of air to the exhaust manifold and catalytic converter.When the electric AIR pump is on and vacuum is supplied to the AIR diverter valve, air passes the integral check valve disk.hen the electric AIR pump is off, and vacuum is removed from the AIR diverter valve, the integral check valve disk is held on the seat and stops air from being drawn into the exhaust system and prevents the back flow of the exhaust into the Secondary Air Injection System. Solid State Relay.
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- Improper hand placement disrupts first air. Facility design and environment control  Good aseptic technique in sterile compounding requires the understanding and proper use of “First-Air”.  “First-Air” is the air exiting the HEPA filter in a unidirectional air-stream and is virtually free of particulate contaminants.  All critical manipulations must be carried out in the unobstructed “first air” zone in the direct path of the HEPA filter discharge.
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Injection Molding Materials: Injection molding is a manufacturing process in which plastic material is forced into a mold cavity under pressure. Pelletized resins are fed into the injection molding machine, as well as any colorants required. The resins and colorants are introduced into an injection barrel where they are heated and melted.
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Fuel System: Air Induction and Fuel Injection Services Precision Tune Auto Care’s Fuel System Service includes both Air Induction and Fuel Injection cleanings. The air induction system provides a path for air to enter the combustion chamber. Proper air flow is critical for quick start up, smooth idling, acceleration, and overall engine performance.
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What is 'Capital Injection' What is 'Capital Injection' Capital injection is an investment of capital into a company or institution, generally in the form of cash, equity or debt. The word injection connotes that the company or institution into which capital is being invested may be in financial distress, although it is not uncommon for the term to also refer to investments made in a startup or a new company.
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How does Waterless Cookware Work? This type of cookware is found to be more expensive than other types of cookware. Waterless cookware is heavy when compared to other types. The lids are not dishwasher safe and cleaning the valves could be a hassle. The lid mustn’t be removed from the pot during cooking as this will allow the heat and moisture to escape.
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air valve air valve. 1. a device for controlling the flow of air, as from a pipe or tank. The two then thoroughly mix and enter the combustion chamber together as the air valve F is opened. In the cab ahead the handle of the air valve was slammed into the big notch.
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Objectives: Needle is inserted into meat and the curing solution (in water) is pumped into the product. Artery injection — a large needle with only one hole in it is inserted into the brachial or femoral artery and the cure solution is injected into the arterial system.
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Injection Molding Injection molding is the most commonly used manufacturing process for the fabrication of plastic parts. A wide variety of products are manufactured using injection molding, which vary greatly in their size, complexity, and application.The injection molding process requires the use of an injection molding machine, raw plastic material, and a mold.eturn to top. The process cycle for injection molding is very short, typically between 2 seconds and 2 minutes, and consists of the following four stages: 1  Clamping-Prior to the injection of the material into the mold, the two halves of the mold must first be securely closed by the clamping unit.
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Secondary air injection Rather than being a primary emission control device, the secondary air injection system was adapted to support the efficient function of the catalytic converter. The original air injection point became known as the upstream injection point.
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Injection moulding “Injection molding is a manufacturing process for producing parts by injecting material into a mould. Injection moulding can be performed with a host of materials, including metals, glasses, elastomers, confections, and most commonly thermoplastic and thermosetting polymers.ence, parts to be injection moulded needs to be designed with sufficient care keeping into account, the substance used for the part, the desired shape and features of the part, mould material and also the various properties of the moulding machine.
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air pressure Definition of air pressure. : pressure exerted by air: a : atmospheric pressure b : the pressure within a container due to the compression of atmospheric gases Air pressure in the car tire was measured in pounds per square inch.
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Fuel Injection Basics Throttle body injection (TBI) uses a unit that looks a little like a carburetor mounted on a conventional intake manifold. TBI usually mounts two (and sometimes four) large fuel injectors that are controlled by an electronic control module (ECM), sometimes referred to as an electronic control unit (ECU).
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Top 30 Doctor insights on: Air Embolism Air Embolism (Definition) Blood vessels are made to carry blood - liquid. A small amount of air in a vessel is not usually a big deal as it will be absorbed into the blood. Larger volumes of air (10 mL or larger) can be significant to block blood flow in that vessel.
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- The air injection system consists of an air pump, diverter or air management valve, check valves and plumbing. The air pump is designed to supply a constant supply of air for the air injection system.he air management valve or air switching valve, can be used in addition to or in place of a diverter valve. The air management valve is typically used on computerized emission control systems to switch air flow from the exhaust manifold to the catalytic converter or the air cleaner.
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Lactate Dehydrogenase Test Taking an LDH Test. LDH levels are normally measured using a blood draw. Occasionally, LDH levels may be measured using urine or cerebrospinal fluid. In adults, blood is taken from a vein at the inner elbow or the back of the hand. The technician will clean the test area with an antiseptic and wrap an elastic band around the upper arm to make the vein swell.
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EPOXY Injection Guide EPOXY Injection Guide. Epoxy injection is an economical method of repairing non-moving cracks in concrete walls, slabs, columns and piers and is capable of restoring the concrete to its pre-cracked strength. Prior to doing any injection it is necessary to determine the cause of the crack.
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Injection moulding Injection moulding (injection molding in the USA) is a manufacturing process for producing parts by injecting material into a mould. Injection moulding can be performed with a host of materials, including metals, glasses, elastomers, confections, and most commonly thermoplastic and thermosetting polymers.he sequence of events during the injection mould of a plastic part is called the injection moulding cycle. The cycle begins when the mould closes, followed by the injection of the polymer into the mould cavity.
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- An intra-articular injection, by definition, is an injection administered directly into a joint. The medication is actually injected into the joint space for the purpose of relieving joint pain. Corticosteroids (steroids) were the first commonly-used substances injected into painful joints.
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- AIR - PNEUMATIC, AIR CONDITIONING, PRESSURIZATION. PNEUMATIC SYSTEM. The Pneumatic System is normally supplied by the Engine's compressor sections. The. Pneumatic System may also be supplied by APU bleed air or by an external air source on the. ground. Certain systems are given priority depending on aircraft operation and conditions. BLEED AIR FUNCTIONS.
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Oxygen Injection The Evolution of Oxygen Sparging-Pulse Injection of Pure Oxygen and Air. Oxygen transport is the major limiting factor for the success of aerobic bioremediation. In the 1980s the bioremediation industry focused on recirculation of groundwater and amending it with hydrogen peroxide.
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Injection moulding Injection molding is widely used for. manufacturing a variety of parts, from the smallest component to entire body panels of cars . Injection molding is the most common method of production, with some commonly made. items including bottle caps and outdoor furniture.
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- An Aircast boot is a brand-name pneumatic walking brace used. after surgery or injury to the lower leg or foot. The air cells in the. brace are adjusted by the patient for a custom fit within a strong. plastic shell.