130 results about "Relative Quantity" patented technology

A process for the epoxidation of an olefin, which process comprises reacting a feed comprising the olefin, oxygen and a reaction modifier in the presence of a highly selective silver-based catalyst at a reaction temperature T, and with the reaction modifier being present in a relative quantity Q which is the ratio of an effective molar quantity of active species of the reaction modifier present in the feed to an effective molar quantity of hydrocarbons present in the feed, and which process comprises the steps of:operating at a first operating phase wherein the value of T is T1 and the value of Q is Q1, andsubsequently operating at a second operating phase at a reaction temperature which is different from the reaction temperature employed in the first operating phase, such that the value of T is T2 and the value of Q is substantially Q2, whereby Q2 is determined by calculation and Q2 is defined by the formulaQ2=Q1+B(T2−T1),wherein B denotes a constant factor which is greater than 0; a reaction system suitable for performing the process for the epoxidation of an olefin; a computer program product which comprises a computer readable program recorded on a computer readable medium, suitable for instructing a data processing system of a computer system to execute calculations for the process for the epoxidation of an olefin; and a computer system which comprises the computer program product and a data processing system.

A time varying electrical excitation(s) is applied to a system containing biologic and / or non-biologic elements, whereupon the time-varying electrochemical or electrical response is detected and analyzed. For biologic specimens, the presence, activity, concentration or relative quantity, and certain inherent characteristics of certain target substances (hereinafter referred to as “target analytes”) within, or comprising, the specimen of interest may be determined by measuring either the current response induced by a voltage-mode excitation, or the voltage response induced by a current-mode excitation. Labeling or marker techniques may be employed, whereby electrochemically active auxiliary molecules are attached to the substance to be analyzed, in order to facilitate or enhance the electrochemical or electrical response. The method may also be employed to test non-biologic systems comprising an electrochemical cell or a battery of cells, wherein complex pulse type excitation signals are applied to the cell and the resultant time varying polarization voltage information is extracted and analyzed to determine at least one characteristic of the cell(s) condition or state.

The invention is a method and device for collecting and processing a biological specimen for the analyses of nucleic acids. A device comprises a matrix to which cells and viruses adhere and a handle to manipulate the matrix. The devices are used to collect, dry, transport, store and process small amounts of blood or other tissue. The matrix of the device is transferred to a reaction tube and amplifying reagents added to it. Nucleic acid sequences and relative quantities are detected and analyzed from the same specimen. The relative amounts of amplified nucleic acid from one or more particular RNA sequences are compared to one another and to the amount of amplified nucleic acid from DNA sequences serving as an internal control for the number of biological units per specimen. The relative amounts of amplified viral sequences from suspected viruses in the biological specimen and from recombinant viral particles serving as a viral quantitation standard enable estimation of viral burden in a given quantity of specimen.

Systems and methods for determining a relative quantity of recyclable items with respect to a total number of items are disclosed. In one embodiment of the present invention, a computer-implemented method includes reading an identifier respectively associated with at least some of a total number of items. The computer determines a number of identifiers associated with the recyclable items. The computer also receives the total number of items, and computes the relative quantity of recyclable items by dividing the number of identifiers associated with the recyclable items by the total number of items.

A database management system associates, for one or more database fields, a respective representation of cardinality with different discrete subsets of database records, the subsets preferably being defined by different quantiles of an equal height histogram. The system predicts a relative number of records responsive to a query condition using the representation of cardinality of a quantile in which a query-specified value lies. Preferably, a relative number of responsive records is estimated as a quantile size representation divided by a cardinality representation. The system uses this prediction to determine an optimum query execution strategy. Preferably, the system derives histogram data including cardinality and ordinal numbers corresponding to each quantile using sampling techniques.

The invention discloses a bidirectional magnetic saturated time difference fluxgate sensor, which is characterized in that two ends of a sensor magnetic core are wound with exciting coils, the middle section of the sensor magnetic core is wound with induction coils, output poles of the induction coils are connected with an amplifying circuit, and the amplifying circuit is connected with a counting display circuit through a band-pass filter circuit and a retardation shaping circuit. By detecting and calculating a positive negative pulse time difference value output by the fluxgate sensor in a time domain, the strength of the measured magnetic field is judged. Compared with the prior fluxgate sensor, the detection circuit is simple, the measurement stability of the system is ensured without a feedback structure, a complex subsequent circuit is not needed, the required excitation current is lower, the data processing is simple, the measured relative quantity is little, the integral volume and power consumption of the sensor are effectively reduced, and the measurement result is acquired quickly. The fluxgate sensor avoids a filter-phase-sensitive demodulation-smooth filter circuit of the prior fluxgate sensor, makes up the defect that the prior fluxgate sensor has harsh process requirement, and achieves the digitized magnetic measurement of the fluxgate sensor.

An eco-drive assist apparatus that displays a quantity of eco-drive that indicates a degree of ecology and / or economy in driving in a hybrid vehicle equipped with an engine and a motor, includes: a first part configured to calculate the quantity of eco-drive on the basis of a vehicle power generated in the vehicle; and a second part configured to cause the quantity of eco-drive to be displayed in a graphic manner as a relative quantity to an eco-drive judgment threshold value that indicates whether the vehicle is in an eco-drive state and to cause the quantity of eco-drive to be displayed in a graphic manner as a relative quantity to an engine startup threshold value that indicates whether the engine is started up. The second part controls a display of the quantity of eco-drive in the graphic manner as the relative quantity to the engine startup threshold value on the basis of a first display change threshold value that changes the display from a first display showing that the engine has not been started up to a second display showing that the engine has been started up and a second display change threshold value that changes the display from the second display to the first display. The first display change threshold value is the engine startup threshold value.

A method is described for treating a specimen of semen containing sperm cells to increase the relative number of sperm cells of a desired sex type in a treated specimen to increase the potential for conceiving an offspring of the desired sex. A specimen of semen is treated after a predetermined time to increase the relative ability of a at least a portion of the semen to conceive an offspring of the desired sex. The treatment preferably comprises contacting the sperm cells with an agent that preferentially effects sperm cells of a selected sex type. In some preferred embodiments, the semen is separated into two components. A first component has a higher number of sperm of the desired sex type than sperm of a non desired sex type and a second component has a higher number of sperm of the non desired sex type relative to sperm of the desired sex type. In one embodiment, the separating step is performed after a predetermined percent of the sperm cells exhibit a punctate pattern, which is capable of determination by labeling the sperm cells with Koo antibody and determining the percent of cells labeled. In another embodiment, the separating step is performed after waiting for a time determined by locating a maximum in the curve obtained by plotting percent female cells determined by FISH against percent Koo positive cells, determining the time at which the maximum percent female cells occurs, and beginning the following step no earlier than about one hour before the time of the maximum percent female cells. In yet another embodiment, the separating step is performed after waiting for a period of time between about 2 hours and about 24 hours after collection of the ejaculate. Preferably, in the separating step, the sperm is contacted with a cell binding agent, permitting the sperm of the non desired sex type to preferentially bind to the cell binding agent, and the cell binding agent with preferentially bound sperm of the non desired sex type is separated from non bound sperm.

The invention discloses a key-judging method for capacitive touch keys, comprising the steps of: setting an entropy coefficient; scanning keys to obtain a count value of the first charging time of a charge and discharge capacitor; dividing the count value of the first charging time into the entropy coefficient to obtain a first relative quantity reflecting the equivalent capacity of a touch key; scanning the keys again to obtain a count value of the second charging time of the charge and discharge capacitor; dividing the count value of the second charging time into the entropy coefficient to obtain a second relative quantity reflecting the equivalent capacity of the touch key; obtaining a difference value between the second relative quantity and the first relative quantity, and judging the keys by utilizing the difference value. In the key-judging method, the keys are judged by obtaining the relative variation quantity of the charging time of the charge and discharge capacitor C1. Therefore, the difference of stray capacitance on a PAD of a PCB cannot influence key judgement. The method is simple in realization and greatly reduces the requirements and the difficulty for PCB and software algorithm treatment.

The invention discloses a method for screening ramie varieties and a method for restoring cadmium contaminated soil by using ramie. In the method for screening the ramie varieties, four characteristics such as overground part dry weight, plant height, relative quantity value of chlorophyll in leaves and underground part dry weight of the ramie are taken as main indexes used for evaluating cadmium resistance of the ramie varieties under the culture condition of nutrient solution, and an average value of a tolerance membership function and overground Cd content of the ramie are indexes to cluster the ramie varieties into four different types, namely a high-resistant low-absorption type, a high-resistant high-absorption type, a low-resistant low-absorption type and a low-resistant high-absorption type; and the method for restoring the cadmium contaminated soil by using the ramie is used for planting the high-resistant low-absorption type varieties to restore light cadmium contaminated soil and planting the high-resistant high-absorption type varieties to restore medium and high cadmium contaminated soil. According to the method, a plurality of indexes are utilized to comprehensively evaluate the capability of cadmium resistance and cadmium absorption of the ramie, various ramie varieties are classified accordingly to guide ramie farmers to plant different varieties in accordance with different cadmium contaminated soils, so that the cadmium contaminated soil can be effectively restored and the yield of the ramie is ensured.

A hand-held, self-contained, battery-powered test instrument for analyzing composition of a sample includes an exciter for exciting at least a portion of the sample, a compact cross-dispersed spectrometer for receiving an optical signal from the excited portion of the sample and a processor for processing spectral data about the optical signal from the spectrometer. The exciter may include a spark generator and a counter electrode, a laser or other device for generating the optical signal from the sample portion. The spectrometer has a wavelength range broad enough to enable the test instrument to detect and determine relative quantities of carbon, phosphorous, sulfur, manganese, silicon, iron and other elements necessary to identify common alloys. The spectrometer includes a structural member made of a light-weight material having a small coefficient of thermal expansion (CTE). The spectrometer is dimensionally stable over a range of expected ambient temperatures, without controlling the temperature of the spectrometer.

The invention discloses a method to brew edible yellow rice wine with glutinous rice and red date, which comprises the following steps: 1. choosing even and high grade red date; soak cleaning in clean water; bruising; 2. choosing glutinous rice; soak cleaning in clean water; boiling to glutinous rice meal; cooling with trickle; 3. building nest; embedding into with mixing material of glutinous rice meal and red date; adding into yellow rice wine yeast (active dry yeast), rice fermented with red yeast, raw material yeast and inorganic salt; culturing yeast; dumping jar and dewatering; 4. proceeding the first supply meal; adding into yellow rice wine yeast (active dry yeast), rice fermented with red yeast, raw material yeast and inorganic salt; counting with relative quantity of each build-nest loading; mixing evenly; putting into ceramic; yeasting; 5. preceding the second supply meal the same as step 4; 6. proceeding the third supply meal the same with step 4; 7. proceeding clarifies; filtering; sterilizing at high temperature; getting the product. The period of production of this invention is short and the fermentation transferring is high.

A distributed optical fiber sensing signal processing method for safety monitoring of underground pipe network, which belongs to infrastructure safety monitoring field, which is aimed to improve the intelligent ability of detection and identification of the existing distributed optical fiber sound / vibration sensing system under complex application conditions. The present invention utilizes the distributed optical fiber sound / vibration sensing system to pick up the sound or vibration signal of the whole line along the detection cable; and the customized short time feature and long time feature are respectively extracted from the relative quantity of the sound or the vibration signal at each spatial point in the whole monitoring range. The Bayesian identification and classification network at each spatial point is constructed and trained based on the prior knowledge of the collected signal features and their different background noises.

The invention discloses a mental disorder related intestinal tract microbial marker and application thereof. The intestinal tract microbial marker refers to one or more combinations of intestinal tract microbial florae of Prevotella and Bacteroides. The invention further discloses application of the mental disorder related intestinal tract microbial marker in preparing reagents for diagnosing mental disorders and methods for screening food, probiotics or drugs capable of intervening with mental disorders. Particularly, the methods include comparing proportion of microbial florae of Prevotella to microbial florae of Bacteroides before and after treatment or interference of the food, probiotics or drugs and / or comparing relative quantity of microbial florae of Prevotella and microbial florae of Bacteroides in feces specimens.

The infrared spectrum of cells or tissues in the frequency range 900cm−1-1750cm−1 is digitally separated by the method of the invention into the component contributions by protein, RNA and DNA. By comparing the relative sizes of the component spectra, relative quantities of these components can be specified. The ratios protein / DNA and RNA / DNA can be used to quantify the degree of cellular biosynthesis for the purpose of grading the aggressiveness of cancer cells. The ratio nucleic acid / protein may be used to measure the nuclear cell content of blood for the purpose of quantifying the degree of systemic inflammation. The advantage of the method is in its' minimal sample size requirement and low cost.

A composite handle for a tool has a hard plastic material core and a softer grip cover with a natural component such as cork, cotton, flax, wood, or the like in a matrix of synthetic material. The two components are sequentially injection molded and a portion of the handle surface is formed by the soft grip cover and the remainder of the exterior surface is formed by the hard core. After the first injection shot, in which the hard plastic core is formed, the core is placed in a second mold and the temperature of the core is held at 55°-70° C. when the second shot is injected. The second component material with the natural component intimately distributed in the matrix of synthetic material may be injected at a temperature of up to approx. 220° C. and its final hardness is set by selectively mixing and adjusting the relative quantities of the natural component and the synthetic material.

A distance measurement device measures target distances to a measurement target by optically detecting the measurement target using a lens. The image formation relative quantity calculating part of the distance measurement device creates an image of the measurement target by causing light having a plurality of wavelengths from the measurement target to form an image by part of the lens. By further determining the image formation distances from the lens to the image for each wavelength, image formation relative quantities, which are quantities indicating the relative relationship between the image formation distances, are calculated. A recording part records correlation information, which is information defined by the chromatic aberration characteristics of the lens, in a manner so as to indicate the correlation between image formation relative quantities and target distances. A distance calculating part calculates the target distances by matching the image formation relative quantities to the correlation information.

The invention provides a penetrative full color three-dimensional printing device comprising a printing nozzle and a dyeing system. The printing nozzle is used for extruding absorptive filamentary material according to shape information of slice data of a three-dimensional model; the dyeing system comprises a penetrating case, an ink jetting converter and an ink jetting head; the penetrating case is arranged above the printing nozzle and is used for performing penetrative dyeing on the absorptive filamentary material, and the dyed filamentary material enters the printing nozzle; the ink jetting converter is used for determining the relative quantities of ink with different primary colors according to the color information of the slice data of the three-dimensional model; the ink jetting head is arranged on one side of the penetrating case and is used for mixing the primary color inks of different quantities before jetting into the penetrating case. By the aid of the device, the technical problem of high cost of existing full color three-dimensional printing in the prior art can be solved.

This invention relates generally to a method for quantifying the number of occurrences of a specific nucleic acid sequence within a nucleic acid sample in order to circumvent the shortcomings of the methods currently available and to provide reliable quantification of a specific nucleic acid sequence within a nucleic acid sample. The present invention provides a method of assessing an amount of a known target nucleic acid sequence in a sample comprising co-amplifying said target nucleic acid sequence and a known amount of a known control nucleic acid sequence to produce respective target and control amplicons, wherein said control nucleic acid sequence is different than said target nucleic acid sequence; and determining relative amounts of said respective amplicons by determining relative quantities of a primer extension reaction using each of said respective amplicons as a template.

Detecting a wildfire and an electrical arc, which are characterized by emission of ultraviolet (UV) radiation at a given wavelength, are described using a light sensor having a pulse output responsive to the given wavelength and generating an intermediate output responsive to the pulse output in a way which tracks a trend in the pulse output, irrespective of any increase in the relative number of pulses in the pulse output that is responsive to extraneous sources other than wildfire or electrical arc. The intermediate output is generated responsive to pulses occurring within an event window that continuously terminates at present time and extends backward therefrom by a selected time duration. An alarm signal is produced based on a predetermined characteristic of the intermediate output. Packaging of the sensor and alarm arrangement is described along with photo-detection tube optimization. Further, atmospheric transmission of the detected wavelength is described.

A method of providing a consumer with a custom hair colouring product. Details of personal characteristics are obtained from the consumer with the assistance of a licensed hair colouring technician, including a desired hair colour. A custom formula is developed based upon the personal characteristics of the consumer, wherein the formula prescribes two or more base dye colours and their relative quantities. The consumer is provided with the two more base dye colours and a developer agent and self-applies the custom hair colouring product.

The present invention relates to a method of decomposition of a test sample into constituents thereof. The method proceeds by optically imaging the test sample to obtain a corresponding unknown time-domain resolved signal and decomposes the unknown time-domain resolved signal by comparing the unknown time-domain resolved signal with time-domain resolved reference signals. Furthermore, the method allows the determination of the presence or absence of constituents. Relative quantities may also be determined if sample material properties are known or taken into account. Lifetime decay of the constituents may also be estimated by handling effect of light diffusion in the test sample as time decay.

The invention discloses a high throughout microbiological assay method which comprises the following steps of sampling; extracting germ plasm; mass spectrometric analysis; data analysis; and microbiological assay. The method has the advantages that thousands of kinds of bacteria, virus, epiphytes and protozoans can be identified at the same time, while other systems only can identify little infective pathogene at the same time, so that the development of the systems are limited by quantity; the method can provide the relative quantity of a plurality of pathogens in a single sample, but most systems do not have the ability currently; the method is rapid and needs not to culture, one sample can be analyzed within less than 4 hours, while a plurality of weeks are spent on culturing, certainly, some samples can not be cultured at all; environmental or clinical samples which range from air to most complex biological samples in all mediums can be analyzed, so that the method is very universal; as no sequence measurement is needed, the method is the proposal with very good cost performance for the identification of infective pathogene.

Methods and apparatus, including computer program products, for quantifying peptides in a peptide mixture. A peptide mixture containing a plurality of peptides is received. One or more peptides are separated from the peptide mixture over a period of time. One or more of the peptides separated at a particular time are subjected to mass-to-charge analysis and an abundance of one or more of the mass analyzed peptides is calculated. A relative quantity for the one or more mass analyzed peptides is calculated by comparing the calculated abundance of the peptides with an abundance of one or more peptides in a reference sample that is external to the first peptide mixture. The techniques can be applied to arbitrary peptides, without requiring the use of differential mass labeling, and can be applied to other biological molecules, such as nucleic acids and small molecules.