2410 results about "Peak area" patented technology

Provided is a magnetic tape in which ferromagnetic powder included in a magnetic layer is ferromagnetic hexagonal ferrite powder having an activation volume equal to or smaller than 1,600 nm³, the magnetic layer includes one or more components selected from the group consisting of fatty acid and fatty acid amide, and an abrasive, a C—H derived C concentration calculated from a C—H peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed on the surface of the magnetic layer at a photoelectron take-off angle of 10 degrees is equal to or greater than 45 atom %, and a tilt cos θ of the ferromagnetic hexagonal ferrite powder with respect to the surface of the magnetic layer acquired by cross section observation performed by using a scanning transmission electron microscope is 0.85 to 1.00.

The magnetic tape device includes: a magnetic tape; and a servo head, in which a magnetic tape transportation speed of the magnetic tape device is equal to or lower than 18 m/sec, the servo head is a TMR head, the magnetic tape includes a non-magnetic support, and a magnetic layer including ferromagnetic powder and a binding agent on the non-magnetic support, the magnetic layer includes a servo pattern, the magnetic layer includes one or more components selected from the group consisting of fatty acid and fatty acid amide, and a C—H derived C concentration calculated from a C—H peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed on a surface of the magnetic layer at a photoelectron take-off angle of 10 degrees is 45 to 65 atom %.

Provided is a magnetic tape with the total thickness of a non-magnetic and magnetic layers is equal to or smaller than 0.60 μm, a C—H derived C concentration calculated from a C—H peak area ratio of C1s spectra by ESCA on the surface of the magnetic layer at a photoelectron take-off angle of 10 degrees is equal to or greater than 45 atom %, full widths at half maximum of spacing distribution measured by optical interferometry regarding the surface of the magnetic layer before and after vacuum heating with respect to the magnetic tape are respectively greater than 0 nm and equal to or smaller than 7.0 nm, and a difference between a spacing measured after the vacuum heating and a spacing measured before the vacuum heating is greater than 0 nm and equal to or smaller than 8.0 nm.

Provided is a magnetic tape in which a thickness of a back coating layer is equal to or smaller than 0.20 μm, a C—H derived C concentration calculated from a C—H peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed on the surface of the back coating layer at a photoelectron take-off angle of 10 degrees, is equal to or greater than 35 atom %, full widths at half maximum of spacing distribution measured by optical interferometry regarding the surface of the back coating layer before and after performing a vacuum heating with respect to the magnetic tape are respectively greater than 0 nm and equal to or smaller than 10.0 nm, and a difference between a spacing measured after performing the vacuum heating and a spacing measured before performing the vacuum heating is greater than 0 nm and equal to or smaller than 8.0 nm.

The magnetic tape device includes a magnetic tape including a magnetic layer; and a TMR head (reproducing head), in which an intensity ratio of a peak intensity of a diffraction peak of a (110) plane with respect to a peak intensity of a diffraction peak of a (114) plane of a hexagonal ferrite crystal structure obtained by an X-ray diffraction analysis of the magnetic layer by using an In-Plane method is 0.5 to 4.0, a vertical direction squareness ratio of the magnetic tape is 0.65 to 1.00, Ra measured regarding a surface of the magnetic layer is equal to or smaller than 2.0 nm, and a C—H derived C concentration calculated from a C—H peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed on the surface of the magnetic layer at a photoelectron take-off angle of 10 degrees is 45 to 65 atom %.

The magnetic tape includes a non-magnetic layer including non-magnetic powder and a binder on a non-magnetic support; and a magnetic layer including ferromagnetic powder and a binder on the non-magnetic layer, in which the magnetic layer includes a timing-based servo pattern, a center line average surface roughness Ra measured regarding a surface of the magnetic layer is equal to or smaller than 1.8 nm, one or more components selected from the group consisting of fatty acid and fatty acid amide are at least included in the magnetic layer, and a C—H derived C concentration calculated from a C—H peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed on the surface of the magnetic layer at a photoelectron take-off angle of 10 degrees is equal to or greater than 45 atom %.

The magnetic tape includes a non-magnetic layer including non-magnetic powder and a binder on a non-magnetic support; and a magnetic layer including ferromagnetic powder and a binder on the non-magnetic layer, the total thickness of the non-magnetic layer and the magnetic layer is equal to or smaller than 0.60 μm, the magnetic layer includes a timing-based servo pattern, one or more components selected from the group consisting of fatty acid and fatty acid amide are at least included in the magnetic layer, and a C—H derived C concentration calculated from a C—H peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed on the surface of the magnetic layer at a photoelectron take-off angle of 10 degrees is equal to or greater than 45 atom %.

The magnetic tape includes a magnetic layer having ferromagnetic powder and a binder on a non-magnetic support, in which a total thickness of the magnetic tape is equal to or smaller than 5.30 μm, the magnetic layer includes a timing-based servo pattern, a center line average surface roughness Ra measured regarding a surface of the magnetic layer is equal to or smaller than 1.8 nm, one or more components selected from the group consisting of fatty acid and fatty acid amide are included in the magnetic layer, and a C—H derived C concentration calculated from a C—H peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed on the surface of the magnetic layer at a photoelectron take-off angle of 10 degrees is equal to or greater than 45 atom %.

The magnetic tape has on one surface of a nonmagnetic support a magnetic layer containing ferromagnetic powder and binder, and on the other surface of the nonmagnetic support, a backcoat layer containing nonmagnetic powder and binder, wherein the total thickness of the magnetic tape is less than or equal to 4.80 μm, the backcoat layer contains one or more components selected from the group consisting of a fatty acid and a fatty acid amide, and a C—H derived carbon, C, concentration calculated from a C—H peak area ratio in a C1s spectrum obtained by X-ray photoelectron spectroscopy conducted at a photoelectron take-off angle of 10 degrees on a surface on the backcoat layer side of the magnetic tape ranges from 35 to 60 atom %.

The magnetic tape device includes: a magnetic tape; and a reproducing head, in which a magnetic tape transportation speed of the magnetic tape device is equal to or lower than 18 m/sec, the reproducing head is a magnetic head including a tunnel magnetoresistance effect type element as a reproducing element, the magnetic tape includes a non-magnetic support, and a magnetic layer including ferromagnetic powder and a binding agent on the non-magnetic support, the magnetic layer includes one or more components selected from the group consisting of fatty acid and fatty acid amide, and a C—H derived C concentration calculated from a C—H peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed on the surface of the magnetic layer at a photoelectron take-off angle of 10 degrees is 45 to 65 atom %.

Provided is a magnetic tape device in which a magnetic tape transportation speed is equal to or lower than 18 m/sec, Ra measured regarding a surface of a magnetic layer of a magnetic tape is equal to or smaller than 2.0 nm, a C—H derived C concentration calculated from a C—H peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed on the surface of the magnetic layer at a photoelectron take-off angle of 10 degrees is 45 to 65 atom %, and ΔSFD (=SFD_{25° C.}−SFD_{−190° C.}) in a longitudinal direction of the magnetic tape is equal to or smaller than 0.50, with the SFD_{25° C.} being SFD measured in a longitudinal direction of the magnetic tape at a temperature of 25° C., and the SFD_{−19° C.} being SFD measured at a temperature of −190° C.

This invention relates to a photovoltaic device including an electrode such as a front electrode/contact. In certain example embodiments, the front electrode of the photovoltaic device includes a multi-layered transparent conductive coating which is sputter-deposited on a textured surface of a patterned glass substrate. In certain example embodiments, a maximum transmission area of the substantially transparent conductive front electrode is located under a peak area of a quantum efficiency (QE) and/or QEx (photon flux of solar radiation) curve of the photovoltaic device and a light source spectrum used to power the photovoltaic device. In certain example embodiments, the front electrode includes a transparent conductive layer of or including one or more of (i) titanium zinc oxide doped with aluminum and/or niobium, and/or (ii) titanium niobium oxide.

Provided is a magnetic tape in which an Ra measured regarding a surface of a magnetic layer is equal to or smaller than 1.8 nm, Int(110)/Int(114) of a hexagonal ferrite crystal structure obtained by an X-ray diffraction analysis of the magnetic layer by using an In-Plane method is 0.5 to 4.0, a vertical squareness ratio of the magnetic tape is 0.65 to 1.00, the back coating layer includes one or more kinds of component selected from the group consisting of fatty acid and fatty acid amide, and a C—H derived C concentration calculated from a C—H peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed on the surface of the back coating layer at a photoelectron take-off angle of 10 degrees is equal to or greater than 35 atom %.

An electrophotographic photoreceptor comprising a conductive support and a photosensitive layer disposed on the conductive support, wherein the photosensitive layer comprises a silicon compound-containing layer containing a silicon compound, and the silicon compound-containing layer further contains a resin, and wherein the photosensitive layer has a peak area in the region of -40 to 0 ppm (S1) and a peak area in the region of -100 to -50 ppm (S2) in a <29>Si-NMR spectrum satisfying the following equation (1): S1/(S1+S2)>=0.5 (1).

This invention relates to a photovoltaic device including an electrode such as a front electrode/contact. In certain example embodiments, the front electrode of the photovoltaic device includes a multi-layered transparent conductive coating which is sputter-deposited on a textured surface of a patterned glass substrate. In certain example embodiments, a maximum transmission area of the substantially transparent conductive front electrode is located under a peak area of a quantum efficiency (QE) curve of the photovoltaic device and a light source spectrum used to power the photovoltaic device.

A porous low k or ultra low k dielectric film comprising atoms of Si, C, O and H (hereinafter “SiCOH”) in a covalently bonded tri-dimensional network structure having a dielectric constant of less than about 3.0, a higher degree of crystalline bonding interactions, more carbon as methyl termination groups and fewer methylene, —CH₂— crosslinking groups than prior art SiCOH dielectrics is provided. The SiCOH dielectric is characterized as having a FTIR spectrum comprising a peak area for CH₃+CH₂ stretching of less than about 1.40, a peak area for SiH stretching of less than about 0.20, a peak area for SiCH₃ bonding of greater than about 2.0, and a peak area for Si—O—Si bonding of greater than about 60%, and a porosity of greater than about 20%.

A single crystal CVD synthetic diamond material comprising: a total as-grown nitrogen concentration equal to or greater than 5 ppm, and a uniform distribution of defects, wherein said uniform distribution of defects is defined by one or more of the following characteristics: (i) the total nitrogen concentration, when mapped by secondary ion mass spectrometry (SIMS) over an area equal to or greater than 50×50 μm using an analysis area of 10 μm or less, possesses a point-to-point variation of less than 30% of an average total nitrogen concentration value, or when mapped by SIMS over an area equal to or greater than 200×200 μm using an analysis area of 60 μm or less, possesses a point-to-point variation of less than 30% of an average total nitrogen concentration value; (ii) an as-grown nitrogen-vacancy defect (NV) concentration equal to or greater than 50 ppb as measured using 77K UV-visible absorption measurements, wherein the nitrogen-vacancy defects are uniformly distributed through the synthetic single crystal CVD diamond material such that, when excited using a 514 nm laser excitation source of spot size equal to or less than 10 μm at room temperature using a 50 mW 46 continuous wave laser, and mapped over an area equal to or greater than 50×50 μm with a data interval less than 10 μm there is a low point-to-point variation wherein the intensity area ratio of nitrogen vacancy photoluminescence peaks between regions of high photoluminescent intensity and regions of low photolominescent intensity is <2× for either the 575 nm photoluminescent peak (NV⁰) or the 637 nm photoluminescent peak (NV); (iii) a variation in Raman intensity such that, when excited using a 514 nm laser excitation source (resulting in a Raman peak at 552.4 nm) of spot size equal to or less than 10 μm at room temperature using a 50 mW continuous wave laser, and mapped over an area equal to or greater than 50×50 μm with a data interval less than 10 μm, there is a low point-to-point variation wherein the ratio of Raman peak areas between regions of low Raman intensity and high Raman intensity is <1.25×; (iv) an as-grown nitrogen-vacancy defect (NV) concentration equal to or greater than 50 ppb as measured using 77K UV-visible absorption measurements, wherein, when excited using a 514 nm excitation source of spot size equal to or less than 10 μm at 77K using a 50 mW continuous wave laser, gives an intensity at 575 nm corresponding to NV⁰ greater than 120 times a Raman intensity at 552.4 nm, and/or an intensity at 637 nm corresponding to NV⁻ greater than 200 times the Raman intensity at 552.4 nm; (v) a single substitutional nitrogen defect (N_s) concentration equal to or greater than 5 ppm, wherein the single substitutional nitrogen defects are uniformly distributed through the synthetic single crystal CVD diamond material such that by using a 1344 cm⁻¹ infrared absorption feature and sampling an area greater than an area of 0.5 mm², the variation is lower than 80%, as deduced by dividing the standard deviation by the mean value; (vi) a variation in red luminescence intensity, as defined by a standard deviation divided by a mean value, is less than 15%; (vii) a mean standard deviation in neutral single substitutional nitrogen concentration of less than 80%; and (viii) a colour intensity as measured using a histogram from a microscopy image with a mean gray value of greater than 50, wherein the colour intensity is uniform through the single crystal CVD synthetic diamond material such that the variation in gray colour, as characterised by the gray value standard deviation divided by the gray value mean, is less than 40%.

The invention discloses a method for screening traditional Chinese medicine effect related ingredients and a model building method. The method comprises the steps as follows: taking the researched traditional Chinese medicines as objects for preparing multiple sets of sample solutions containing chemical components with different concentrations; selecting part of the chemical components for HPLC (High Performance Liquid Chromatography) analysis, and investigating linear relations between the peak areas and the concentrations; selecting the multiple sets of sample solutions in the linear range, and determining the respective HPLC fingerprint spectrums and the medicine effect indexes of the sample solutions; and obtaining relations between the peak areas and the medicine effect indexes of the ingredients by adopting a linear regression analysis method in the linear relation range, and confirming the actions of the medicine effect related ingredients on the medicine effect indexes according to the positive value and the negative value of the standard regression coefficients and/or the t check results of the ingredients so as to screen out the traditional Chinese medicine effect related ingredients. The method is simple, convenient, easy to implement, reliable and good in commonality, can embody the characteristics of comprehensive actions of the multiple ingredients on the medicine effect indexes, is suitable for screening the traditional Chinese medicine effect related ingredients, and provides a technical data support for discovering and screening traditional Chinese medicine active ingredients.

The invention relates to a method for extracting suaeda salsa flavone and measuring content of flavone in suaeda salsa. The method comprises the following steps: 1), collecting the suaeda salsa, drying the suaeda salsa and crushing the suaeda salsa; with ethanol as an extractant, soaking the suadeda salsa and carrying out microwave-assisted extracting; filtering; extracting with petroleum ether; transferring the ethanol layer to a macroporous adsorption resin layer; and eluting with water and ethanol aqueous solution sequentially; collecting the eluant, and pressurizing and concentrating the eluant to obtain flavone compound extract; 2), with rutin as a contrast, preparing standard solution with different concentration gradients; measuring the chromatographic peak area at the wavelength of 360nm through a high efficiency liquid chromatography to form flavone content contrast reference; measuring the chromatographic peak area of the to-be-measured solution; obtaining the flavone content of the to-be-measured solution according to the flavone content contrast reference; and obtaining the content of the flavone in the suaeda salsa according to the dilution multiple of the to-be-measured solution. According to the method provided by the invention, soaking and microwave-assisted extracting are adopted to extract flavone, and the content of the flavone is measured by chromatography, so that the method is simple and the solvent is easily available. Besides, the obtained flavone is high in content, and has the physiological and pharmacological activities such as antiviral activity, antioxidant activity, anti-ageing activity and the like.

A method for determining chromatograph peak form parameter and overlapped peak area includes setting time value and chromatographic signal value at point for chromatographic elution curve and peak number, using n as total number for point, using Gauss model as objective function to fit said elution curve to be determined, utilizing nonlinear least square method to solve out optimum parameter and using the corresponding relation of fitting elution curve to elution curve to be determined to work out peak form parameter and overlapped peak area of chromatograph .

The present invention provides an inkjet ink containing at least a colorant, water, a water insoluble resin, a fluorine surfactant, and a polyether-modified silicone oil, wherein the polyether-modified silicone oil has a hydrophobic value of 0.40 to 1.5, and the hydrophobic value is expressed by Equation 1:

Hydrophobic value=A/B  Equation 1

• • where “A” represents an integration value of a peak area from 0 ppm to 0.3 ppm in a ¹H-NMR spectrum of the polyether-modified silicone oil using tetramethylsilane as a reference substance; and “B” represents an integration value of a peak area from 3.5 ppm to 4.0 ppm in the ¹H-NMR spectrum.

A structure for joining a pillar garnish including an air bag, incorporating: a pillar garnish 10 made of synthetic resin and having a reverse side from which a seat portion 17 projects into which a head 31 of a rod-shape fixing metal member 31 is embedded; and an engaging portion 33 formed at another end of the rod-shape fixing metal member and inserted and engaged into the inside portion of an engaging hole 25 of a pillar portion of the car body, wherein the head 31 of the rod-shape fixing metal member 30 is covered with a coating layer 40 made of synthetic resin to make the thickness of the pillar garnish surrounded by the side surface of the seat portion to be uniform, the resin for constituting the coating layer contains polyolefine by 40 wt % or greater and having the relationship between peak area S1 which indicates a heating value required to melt polypropylene and detected by differential scanning calorie measurement (DSC) and peak area S2 indicating a heating value required to melt a component which is melted at a temperature lower than the temperature at which polypropylene is melted, the relationship satisfying S2/S1<½.