Abstract: Systems and methods which determine geologic properties using acoustic analysis are shown. Acoustic signals are collected during processing (e.g., crushing, shearing, striking, compressing, etc.) of geologic media, such as rock samples, for determining geologic properties according to embodiments. The acoustic signals collected may include frequency information, amplitude information, time information, etc. which may be utilized in determining geologic properties, such as geologic media properties (e.g., mineralogy, porosity, permeability, sealing capacity, fracability, compressive strength, compressibility, Poisson's Ratio, Youngs Modulus, Bulk Modulus, Shear Modulus), geologic structure properties (e.g., lithology, seal quality, reservoir quality), geologic acoustic properties (e.g., acoustic logging effectiveness, acoustic response, natural or harmonic frequencies, etc.).

Abstract: Methods and systems for in situ monitoring of coke morphology in a delayed coking unit. At least one transmitting electrode and at least one receiving electrode are utilized to transmit AC current across coke being formed within the delayed coking unit. An impedance analyzer can be used to measure the impedance encountered between the transmitting electrode and the receiving electrode. This measure impedance is compared to an impedance curve comprising known impedance values for different coke morphologies to determine the morphology of coke being formed in the delayed coking unit.

Abstract: Systems and methods for detecting a deposit in a vessel with a sensing cable including an optical fiber sensor array aligned with a heating element disposed in the vessel. An excitation source is configured to propagate at least one heat pulse through the heating element along at least a portion of the sensing cable to affect an exchange of thermal energy between the heating element and media exposed to the sensing cable. An optical signal interrogator is adapted to receive a signal from a plurality of sensor locations and configured to measure, a temperature profile corresponding to the heat pulse at the sensor locations. A control unit is configured to detect a deposit by determining one or more properties of the one or more media exposed to the sensing cable at each of the plurality of sensor locations based on the temperature profile corresponding thereto.

Abstract: Systems and methods for determining the flow distribution of a fluid through a component with a sensing cable including an optical fiber sensor array aligned with a heating element disposed in the component. An excitation source is configured to propagate at least one heat pulse through the heating element along at least a portion of the sensing cable to affect an exchange of thermal energy between the heating element and the fluid exposed to the sensing cable. An optical signal is adapted to receive a signal from each of a plurality of sensor locations and measure a temperature profile corresponding to the heat pulse at the sensor locations. A control unit is configured to determine a flow of the fluid by determining one or more properties of the fluid exposed to the sensing cable at each of the plurality of sensor locations based on the temperature profile corresponding thereto.

Abstract: A disposable absorbent article comprising a front waist region, a rear waist region, and a crotch region, wherein said absorbent article further comprises at least three discrete elements each comprising at least one visible surface; wherein at least three or more of the visible surfaces comprise an imparted color wherein said colors are color matched. Color matching exists when said colors are contained within a specified CIELab color space volume, have a specified hue difference, or total color difference.

Abstract: A disposable absorbent article includes one or more regions. The absorbent article also includes at least three discrete elements. Each of the three discrete elements includes at least one visible surface, and at least three or more of the visible surfaces include an imparted color. The imparted color may include colors that are color matched. Color matching exists when said colors are contained within a specified CIELab color space volume, have a specified hue difference, or total color difference.

Abstract: Systems and methods for using at least one sensor for monitoring a condition in a furnace are disclosed. The at least one sensor can be an optical fiber acoustic sensor. The at least one sensor can be coupled to at least one processor that can be configured to receive at least one measurement from the sensor, convert the at least one measurement into a digital format, and determine a condition associated with at least one burner based at least in part on the digital format. The digital format can be, for example, a sound waveform or a frequency spectrum.

Abstract: A nonwoven web having a first web layer and a second web layer are disclosed herein. Methods of making such webs and absorbent articles including those webs are also disclosed. The first web layer has a core/sheath first composite fiber having a fiber fineness no greater than about 2.5 denier. The second web layer has a core/sheath second composite fiber having a fiber fineness no greater than about 2.5 denier and a homopolymer fiber having a fiber fineness of greater than about 3 denier. The homopolymer fiber is less than about 30% by weight of the second web layer.

Abstract: Systems and methods for detecting an operational condition of a tray of a distillation column with a sensing cable including an optical fiber sensor array operatively coupled to an optical signal interrogator. An output of the sensing cable corresponding to at least one sensor location on the optical fiber sensor array is monitored. The output of the sensing cable is classified as one of a predetermined set of classifications including at least a stable condition classification and a unstable condition classification determined based upon the output relative to a predetermined threshold. A signal is generated when the output of the sensing cable is classified as the unstable condition classification.

Abstract: Systems and methods for identifying the level of media in a vessel with a sensing cable including an optical fiber sensor array aligned with a heating element disposed in the vessel. An excitation source is configured to propagate at least one heat pulse through the heating element along at least a portion of the sensing cable to affect an exchange of thermal energy between the heating element and the one or more media exposed to the sensing cable. An optical signal interrogator is adapted to receive a signal from each of a plurality of sensor locations and measure a temperature profile corresponding to the heat pulse at the sensor locations. A control unit is configured to identify a level of each of media by determining properties of the media exposed to the sensing cable at each of the sensor locations based on the temperature profile corresponding thereto.

Abstract: A disposable absorbent article includes one or more regions. The absorbent article also includes at least three discrete elements. Each of the three discrete elements includes at least one visible surface, and at least three or more of the visible surfaces include an imparted color. The imparted color may include colors that are color matched. Color matching exists when said colors are contained within a specified CIELab color space volume, have a specified hue difference, or total color difference.

Abstract: A disposable absorbent article comprising a front waist region, a rear waist region, and a crotch region, wherein said absorbent article further comprises at least three discrete elements each comprising at least one visible surface; wherein at least three or more of the visible surfaces comprise an imparted color wherein said colors are color matched. Color matching exists when said colors are contained within a specified CIELab color space volume, have a specified hue difference, or total color difference.

Abstract: The present invention relates to an absorbent article comprising a plurality of first colored areas and a second colored area which are viewable by a user from a body-facing side of a topsheet, wherein the second colored area surrounds at least some of the first colored areas, a delta E between the first colored areas and the second colored area is at least about 4.5, an average mean area of the first colored areas is not smaller than about 0.20 mm2, and a density of the first colored areas is about 4-24 areas/cm2.

Abstract: A disposable absorbent article comprising a front waist region, a rear waist region, and a crotch region, wherein said absorbent article further comprises at least three discrete elements each comprising at least one visible surface; wherein at least three or more of the visible surfaces comprise an imparted color wherein said colors are color matched. Color matching exists when said colors are contained within a specified CIELab color space volume, have a specified hue difference, or total color difference.

Abstract: A disposable absorbent article comprising a front waist region, a rear waist region, and a crotch region, wherein said absorbent article further comprises at least three discrete elements each comprising at least one visible surface; wherein at least three or more of the visible surfaces comprise an imparted color wherein said colors are color matched. Color matching exists when said colors are contained within a specified CIELab color space volume, have a specified hue difference, or total color difference.

Abstract: A disposable absorbent article comprising a front waist region, a rear waist region, and a crotch region, wherein said absorbent article further comprises at least three discrete elements each comprising at least one visible surface; wherein at least three or more of the visible surfaces comprise an imparted color wherein said colors are color matched. Color matching exists when said colors are contained within a specified CIELab color space volume, have a specified hue difference, or total color difference.

Abstract: Systems and methods for detecting coking in a wash bed of a vacuum pipe still with a sensing cable including an optical fiber sensor array aligned with a heating element disposed in the vessel. An optical signal interrogator is configured to measure a first temperature profile at a plurality of sensor locations to determine a flow distribution. An excitation source is configured to propagate at least one heat pulse through the heating element and the optical signal interrogator is configured to measure a second temperature profile corresponding to the heat pulse at the sensor locations. A control unit is configured to detect coking by determining one or more properties of the media exposed to the sensing cable at each of the plurality of sensor locations based on the second temperature profile corresponding thereto.

Abstract: Systems and methods for detecting a condition of multi-phase flow through a component with a first sensing cable having a first sensor location and aligned with a heating element and a second sensing cable having a second sensing location a predetermined distance from the first sensing location. A heat pulse is propagated through the heating element. A first temperature profile at the first sensing location and a second temperature profile at the second sensing location, each corresponding to the heat pulse, are measured over time. A flow velocity is determined by correlating the first temperature profile with the second temperature profile. A condition of flow of the media is detected by determining a phase of at least one medium exposed to the sensing cable at the first sensing location based on the first temperature profile and the determined flow velocity.

Abstract: Systems and methods for detecting an operational condition of a tray of a distillation column with a sensing cable including an optical fiber sensor array operatively coupled to an optical signal interrogator. An output of the sensing cable corresponding to at least one sensor location on the optical fiber sensor array is monitored. The output of the sensing cable is classified as one of a predetermined set of classifications including at least a stable condition classification and a unstable condition classification determined based upon the output relative to a predetermined threshold. A signal is generated when the output of the sensing cable is classified as the unstable condition classification.

Abstract: In one aspect, an absorbent product includes a package and at least n absorbent articles contained in the package (n is greater than 10). Each of the absorbent articles has a body contacting surface and a garment contacting surface. Each of the absorbent articles includes a component material disposed between the body contacting surface and the garment contacting surface. The component material has a printed graphic which is seen through either the body contacting or garment contacting surfaces. The n graphics of the n absorbent articles are different from each other, and preferably have a predetermined association. In another aspect, a method is directed to printing a graphic on a sheet material which will become a component material for the absorbent articles. In another aspect, a method is directed to producing the absorbent product including the package and the n absorbent articles contained in the package.