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WO/2002/023158A1 |
The invention relates to a measuring device for measuring the diffusion of a gaseous substance on the surface of a material (8), which measuring device includes a body (1), in which there is a first contact surface and a second contact s...
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WO/2002/023162A1 |
The method involves measuring hydrogen permeation in the tubes by mass spectrometry, wherein the tube is inserted into a high or ultrahigh vacuum device in which a mass spectrometer and a total pressure gauge are located. H¿2? or H¿2? ...
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WO/2002/021096A1 |
A method and apparatus provided for monitoring the integrity of a structure (10) disposed in an environment containing a fluid (F) at an ambient pressure. The structure (10) includes a skin (12) and a plurality of internal cavities (14)....
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WO/2002/021103A1 |
The invention concerns an apparatus or device, and the corresponding method for controlling and validating dynamic measurement of exchanges or variations of gaseous states in particular (but not exclusively) of low or very low intensity ...
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WO/2002/018932A1 |
In many cases it is impossible or extremely complicated to determine the material composition of a pressurized liquid separable medium during the storage or transport thereof . According to the invention, the pressurized container (2) co...
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WO/2001/086253A1 |
A method that controls actuation force in apparatus for determining entrained gas-phase content of process streams which method comprises compression of the process stream, measurement of the compressive behavior, and calculation of the ...
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WO/2001/053796A1 |
The invention relates to a method for measuring the concentration or the partial pressure of gases, especially oxygen, in fluids and to a corresponding gas sensor for carrying out said method. The inventive method provides that the parti...
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WO/2001/041555A1 |
A method of detecting moisture within an unsaturated permeable medium is disclosed which includes detecting a change in air pressure in a cavity within a body of porous material in hydraulic contact with the permeable medium. Also disclo...
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WO/2001/035816A1 |
The invention relates to a method and an apparatus for measuring the degree of evaporation of water through the skin, in which method a measurement chamber (20) is placed on the surface of the skin. In a method in accordance with the inv...
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WO/2001/033195A1 |
In the method claimed, the liquid is placed in a measuring chamber and is in contact with a sensor for measuring the content of a particular gas in the liquid. A first measurement of the content of said gas in the liquid is performed at ...
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WO/2001/016593A1 |
The invention relates to a method for detecting and determining the origin of undissolved gases in liquid-filled high voltage systems and to devices for carrying out this method. The novel method is characterised in that the liquid flows...
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WO/2001/012843A2 |
A method and apparatus for determining the hydrogen peroxide content of a fluid. The method includes: (a) contacting the fluid with a catalyst so as to permit decomposition of the hydrogen peroxide present in the fluid to oxygen and wate...
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WO/2000/074553A2 |
A calibration checking device (22), and methods of mandating its use at regular time intervals, to ensure maintenance of the accuracy of gas analyzers (25), especially for use with breath tests. Each calibration checking device (22) is d...
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WO2000020103A9 |
A gas probe (14) for measuring gas tensions in liquid includes a tubing (20) having one end for connection to a mass spectrometer device (12), the other end provided with a tip (14) having at least one bore (24) formed therein. The pore ...
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WO/2000/014509A1 |
The invention concerns a device for determining, in extreme temperature and pressure conditions, the relationships between temperature, pressure and volume in a mixture in liquid phase (6a) topped with a vapour and/or gas phase (6b). The...
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WO/1999/063336A1 |
An apparatus for and a method of measuring the adsorption of a first material by a second material in a liquid under pressure, the apparatus comprising: a first vessel (1) for storing a liquid under pressure; a second vessel (9) for stor...
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WO/1999/035482A1 |
The invention relates to a method and a device for measuring the amount/activity of the enzyme catalase before or in connection with bleaching of cellulose fibres preferably in a pulp suspension for the purpose of providing a better and ...
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WO/1999/031502A1 |
The invention relates to methods for measuring the sorbate content in substrates, using a sensor with a measuring chamber. Said chamber contains a support medium whose partial pressure of sorbate is determined in order to determine the s...
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WO/1999/027345A1 |
The invention relates to an automated device for measuring cohesion in fine granular media (powders). The device is based on a method which uses a fluid medium in a novel manner enabling a granular medium to be obtained in a first reprod...
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WO1999001740A9 |
A personal sampling method and apparatus for real time respirable dust dosimetry for dust exposure assessment is provided to aid in assuring the respiratory health of workers. An embodiment uses a low flow-rate gas sampling pump for diff...
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WO/1999/017095A1 |
A biosensor (10) has a pH-sensitive polymeric hydrogel (30) in a rigid and preferably biocompatible enclosure (20). The hydrogel (30) includes an immobilized oxidoreductase enzyme such as glucose oxidase. The oxidoreductase enzyme cataly...
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WO/1999/017112A1 |
Described is an apparatus and a method to accurately determine the gas entrainment characteristics of liquids, such as automatic transmission fluids. The apparatus comprises a liquid reservoir, a conduit having an inlet and an outlet con...
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WO/1999/002963A1 |
The invention relates to a device used for measuring the gas load in a liquid, comprising a measuring apparatus consisting essentially of a piston pump. This apparatus allows a sample amount of liquid to be subjected to negative pressure...
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WO/1998/053299A1 |
The invention concerns an apparatus for the titration and circulation of gases to determine metal hydride storing properties, with improved response time, greater dynamic range in terms of the usable amount of powder and the maximum pres...
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WO/1998/037402A1 |
The present invention is related to a method of determining the amount of gas in a liquid. The method is particularly well suited for determining the amount of both the gas in the form of bubbles and the gas dissolved in pulp, i.e. in va...
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WO/1998/030884A1 |
The invention relates to a method and a device for measuring the content of chemicals used in connection with bleaching of preferably cellulose fibres in a pulp suspension for the purpose of providing a better and more uniform product qu...
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WO/1998/015827A1 |
A method of evaluating the performance of separating and evaporation volatile material of a boiling apparatus used for the manufacture of beer or sparkling wine. The performance can not be evaluated conventionally. The evaluation method ...
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WO/1998/013682A1 |
The invention relates to a measuring device comprising a flow cell (R�1?) having an inflow and an outflow, a middle cell (R�2?) separated from the measuring cell by a semi-permeable preliminary purification membrane, as well as a mea...
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WO/1998/005940A1 |
A process is disclosed for monitoring the corrosion of the C-steel of which a container, in particular a steam generator, is made, while the container is cleaned with at least one chemical substance which releases during the cleaning pro...
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WO/1998/004901A1 |
A component is washed with a fluid to release particulate contaminant. The particulate-containing fluid is passed through a screen (22) having a known number of apertures of identical known size. The change in pressure caused by the accu...
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WO/1998/003855A1 |
The present invention relates to an apparatus and process for determining the organic, inorganic, and total carbon content of water for use in water treatment and purification systems, and having special application in monitoring recycle...
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WO/1997/046862A1 |
Apparatus and method for continuous analysis and/or modification of the vapor pressure characteristics of a hydrocarbon stream includes: liquid/gas separation chamber (1); constant flow liquid influent means (18); liquid level sensing me...
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WO/1997/042499A1 |
To determine the oxidisable substance content of aqueous liquids, a sample chamber (1) is filled with the liquid and emptied again, a small quantity of the sample remaining on a heating element (10) projecting into the sample chamber (1)...
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WO/1997/042481A1 |
This apparatus (10) is for testing valves (46), particularly those adapted for controlling incontinence. The tests are either directly computer (12) controlled or computer directed. A manual mode permits the user to enter a specific valv...
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WO/1997/028434A1 |
Apparatus (24) for determining the actual and proportional amounts of a volatile fluid (20) in a test sample is described. The test sample is stored in a sealed container (31) after being collected and kept in the sealed container throug...
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WO/1997/022869A1 |
A method and apparatus for determining a physical property of a gas in a confined space. Gas of known volume, pressure and temperature is placed in communication with a confined space containing gas at known pressure to determine the vol...
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WO/1996/025654A1 |
The invention concerns a method of determining residual moisture content in the dried product of a freeze-drying process during the secondary drying. In order to determine residual moisture content without interrupting the freeze-drying ...
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WO/1996/020244A1 |
In the decomposition of a polymer containing a urethane linkage and/or urea linkage in the presence of a decomposing agent, the amount of evolved carbon dioxide is measured and the decomposition reaction is conducted until a total amount...
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WO/1996/020397A1 |
An atmometer (10) includes a chamber (12) having arranged in an interior region thereof a medium (14) in fluid communication with a liquid source (33) and adapted for releasably retaining liquid. The chamber also has at another region an...
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WO/1996/003633A1 |
Environmental monitoring of low concentration of organic compounds in a medium such as ground water is effected by using a diffusion cell (112) having a polymeric membrane formed into a helical tube (125) and immersed in the environmenta...
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WO/1995/025893A2 |
A peristaltic pump unit (18) has a flexible infusate line (28) which is repeatedly compressed by a flat plate like pusher (30). Transverse valve plates (32, 34), on either side of the pusher (30), operate sequentially to close the line i...
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WO/1995/024629A1 |
An osmometric device is disclosed for determining the content of an analyte made up of one or several substances in a solution of mixed substances. The device consists of an osmotic cell (A) provided with a manometric device and mounted ...
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WO/1995/019236A1 |
A method is disclosed for improving the continuous casting process for making copper by using a probe (15) and analyzer (22) which measures the gases present in the molten copper (16) and controls the process based on the analyzer (22) r...
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WO/1995/010765A1 |
A contamination measurement apparatus (10) for determining a level of particulate contamination in a fluid. The apparatus includes a filter (28) for passing a fluid therethrough. A volume indicator produces movement of a test piston (36)...
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WO/1995/005592A1 |
The invention provides an apparatus (10) for measuring peroxide concentration in a gaseous sterilant. The apparatus (10) includes a condenser (20) for condensing the sterilant and a collection and testing tube (60) disposed below the con...
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WO/1994/027130A1 |
A monitoring apparatus for monitoring impending faults in the integrity of a component or structure (10) in static or dynamic application where the apparatus comprises a sealed cavity (11) on or within the component or structure connecte...
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WO/1994/019698A1 |
Monitoring apparatus comprises support means (1008) for receiving a plurality of items (602) to be monitored in an array, each item having a unique machine-readable identifiying reference (616) associated therewith, the arrangement being...
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WO/1994/000671A1 |
A method and apparatus for conducting in situ tests on a subsurface earth formation (11) of interest which is traversed by a wellbore (10). A wireline formation testing instrument (13) is positioned at formation depth by winding or unwin...
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WO/1993/023733A1 |
A method for continuously measuring the concentration of a component in a multicomponent fluid, wherein the component has a significant vapour pressure in the air or gas immediately above the fluid, is characterized in that the method co...
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WO/1993/019344A1 |
The invention concerns a method of determining extension in one direction in an object (12) by means of an extensometer with two limbs (3). Both limbs are connected at one end to a hinge (7), can move in the plane, and are connected at t...
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