38 results about "Volumetric density" patented technology

A scalable data storage device which includes non-volatile memory uses a networked bus system which can be employed on a single memory storage chip level or in a multi-chip package (MCP). The scalable data storage device uses data routing modules which are adapted to store incoming data and send outgoing data thereby providing decoupling of the networked buses. This arrangement enables significantly higher data transfer rates, surpassing DRAM SSDs at a fraction of the size and cost, provides increased volumetric density (1 TB in less than 1 cubic inch), and permits concurrency of operations. The scalable data storage device can be engineered to have a rewrite capability of over 500 times that of Flash RAM and can scale down to 8 bits and up to exabytes, yottabytes and beyond. The scalable data storage device may be used in a wide range of applications from large data centers to small consumer electronic products.

The present invention provides an ultra high power graphite resistor rod with 600mm diameter and a method for producing the same. The method utilizes domestic coal series acicular coke with low true density in main physicochemical standard, high heat expansion coefficient and sulphur content for producing the large-size ultra high power graphite resistor rod with 600mm diameter. Volumetric density, bending strength, elastic modulus, electric resistivity and heat expansion coefficient of the product reaches the international standard after detecting which can solve difficult problem that the domestic coal series acicular coke can not produce the large-size ultra high power graphite resistor rod with 600mm diameter because of low true density in main physicochemical standard, high heat expansion coefficient and sulphur content, and can realize localization for raw material acicular coke of the large-size ultra high power graphite resistor rod, simultaneity, also can solve problem that the acicular coke depends on importation in a long time and has high cost for restricting expanding yield and scale of the ultra high power graphite resistor rod in carbon industry. The product can reduce cost and improve economic performance.

Disclosed herein is a formation evaluation method including estimating a total porosity of an earth formation as a function of bulk density and total nuclear magnetic resonance (NMR) porosity of the earth formation. The total porosity of the earth formation as estimated underrepresents bitumen content. A gas filled porosity of the earth formation is estimated as a function of the bulk density and the total NMR porosity. A kerogen volume of the earth formation is estimated as a function of the gas filled porosity and a total organic carbon content of the earth formation. A bitumen filled total porosity is determined as a function of the estimated kerogen volume and the estimated total porosity of the earth formation. A corrected kerogen volume of the earth formation is determined as a function of the estimated kerogen volume and the estimated total porosity of the earth formation.

An apparatus includes a magnetic resonance imaging system, a processor for controlling the apparatus, and a memory containing machine executable instructions and a pulse sequence. The machine executable instructions and pulse sequence cause the processor to control the apparatus to: acquire magnetic resonance data from an imaging volume, wherein the magnetic resonance data includes gradient echo data; segment the magnetic resonance data into a plurality of segments, the segments including a fat segment, a water segment, a cortical bone segment, and an air segment; and create a bulk density map of the imaging volume from the segments.

The invention discloses a method for batch preparation of a uniform density carbon/carbon composite material flat by using a limited domain reactor. The limited domain reactor comprises a gas pretreatment device, a gas collection device and a deposition device; the deposition device comprises m gas separation plates, an outer cylinder and m-1 groups of side plates; the method comprises the steps that carbon fiber flat prefabricated bodies are erected in a deposition chamber composed of the m gas separation plates and the m-1 groups of side plates, the deposition chamber is further divided intoa plurality of narrow-area reaction space, it is ensured that the carbon fiber flat prefabricated bodies are erected in a blank area of the m gas separation plate, and a barrier to airflow is notformed so that the airflow can be evenly distributed. The method has the advantages of simple process, convenient operation, high utilization rate of carbon source gas and short process period, and the uniformity of bulk density of the obtained monomer carbon/carbon composite material flat is less than +-0.05 g/cm<3>.

The present invention relates to a method for producing a carbon nanotube aggregate whose bulk density is easily controllable. Therefore, the present invention provides a carbon nanotube aggregate suitable for use in various fields.

This invention relates to one ceramics volume intensity electron measurement device and method, wherein the device comprises electron balance, water contain cup, thin copper wire and hanging barrel, wherein, the electron balance disc is put with cup and has one rack with its base socket to distribute loads onto load bench; thin copper wire top end is fixed onto rack and its down end has handing barrel in cup water; in measuring, setting the electron balance as zero and to rest ceramics quality m0 and then boiling it for two hours for natural cooling off; sweeping off water in the barrel to read balance display values to compute ceramics volume intensity.

The invention relates to methods and computer-readable medium to determine seismic reflectivity attributes indicating the presence of hydrocarbons in earth. In several embodiments, the methods and computer-readable medium perform the steps of computing seismic reflectivity attributes includes inputting data representing reflected seismic waves and a volume of P-wave velocity, transforming the volume of P-wave velocity into a volume of bulk density, transforming the volume of P-wave velocity into a volume of S-wave velocity using amplitude information from the reflected seismic waves, and using the volume of S-wave velocity and the volume of P-wave velocity to compute the reflectivity attribute.

The wettability of a formation may be estimated using a multi-frequency dielectric measurement tool. Multi-frequency dielectric dispersion measurements are made using the multi-frequency dielectric measurement tool on a sample. The bulk density and the total porosity of the sample are also otherwise acquired. The bulk density, matrix permittivity, total porosity, and multi-frequency dielectric dispersion measurements are input into a petrophysical dielectric model and the petrophysical dielectric model is applied to obtain inversion results. A wettability state of the sample is determined using the inversion results and one or more reservoir management decisions are made based on the determined wettability state of the sample. A non-transitory, computer-readable storage medium may be provided that has stored on it one or more programs that provide instructions. The instructions are executed by a processor and cause the processor to develop an estimation of formation wettability that may be used for reservoir management.

The invention disclosed herein includes implant features that can be used, in some embodiments, on devices with a volumetric density of less than about 100 percent and devices with a surface roughness of some value. The implant features include one or more protrusions mounted on the forward edge of an implant that can ease the distraction of tissue during implantation and reduce the occurrence of damage during a manufacturing process. In some embodiments, the protrusions have gaps in a non-axial direction with respect to the implant to allow axial compression with respect to the protrusions. In some embodiments, the protrusions have a circumferential gap between them and a body of a device to reduce any impact on the device's elastic modulus.

A volumetric densiometer flask for determining the volumetric density of a solute includes: (a) a first bulbous portion in a lower end section of the flask; (b) a second bulbous portion in an upper end section of the flask, the second bulbous portion comprising an open mouth at its upper end; (c) a central neck comprising a central channel in open communication with the first bulbous portion at an upper end of the neck, and the second bulbous portion at an opposite, lower end of the neck; and (d) a removable stopper that is closely insertable into the mouth of the second bulbous portion, the mouth being correspondingly sized to a lower end of the stopper. Also included herein is a procedure for determining the volumetric density of a given sample using the volumetric densiometer flask.

The invention relates to a low-cost, low-density and high-CaO corundum castable and a preparation method thereof. The low-cost, low-density and high-CaO corundum castable is prepared by adding industrial alumina powder on the basis of the conventional common corundum castable. Volume expansion caused by calcium hexaluminate generated in the corundum castable is compensated by using volume contraction caused by phase change of industrial alumina at a high temperature, so that the contradiction between the adding amount of cement and the volume stability of the castable is solved successfully. The invented castable has low volume density and low thermal conductivity coefficient, energy loss caused by the application of the castable to a high-temperature kiln can be reduced, and the aim of saving energy is fulfilled. The industrial alumina powder is added, so that the cost of the castable is reduced in a certain degree, and the competitive advantage of the castable is enhanced. The corundum castable prepared with the method can be widely applied in the high-temperature industrial fields of steel and iron, non-ferrous metals, ceramics, petrifaction, and the like.

Porous spodumene-cordierite honeycomb bodies of high strength but low volumetric density, useful for the manufacture of close-coupled engine exhaust converters, gasoline engine particulate exhaust filters, and NOx integrated engine exhaust filters, are provided through the reactive sintering of batches comprising sources of magnesia, alumina and silica together with a lithia source, such as a spodumene or petalite ore.

Belonging to the technical field of ore exploration, the invention discloses a measurement method for volumetric weight of ore. The method includes: firstly correcting a high precision electronic scale with a standard volumetric weight and a standard rock core sample, then measuring the weight of P1 of a dry ore sample in the air directly on the high precision electronic scale, and measuring the weight P2 of a wet ore sample in water by hanging the ore sample on the high precision electronic scale and then putting the ore sample into water for weighing, performing stress analysis to know that the ore is under the action of gravity and buoyancy in water, and carrying out calculation to obtain the volumetric weight of ore. The technical scheme provided by the invention reduces the tedious operation process of existing technological means, and calculates the volumetric weight of ore through direct measurement of weight of ore sample in the air and the weight in water. According to the technical scheme, testing of each sample can be completed within 5min, therefore the testing time of each sample can be greatly shortened, and the detection efficiency of the volumetric weight of ore is improved.

The invention relates to a high-thermal resistance forsterite light material and a preparation method thereof. The technical scheme thereof is as follows: 20 to 60wt percent of chlorate powder and 40 to 80wt percent of forsterite crude ore powder are mixed at first; then a bonding agent accounting for 3 to 10wt percent of the mixture is added, stirred for 5 to 25 minutes, then pressed and shaped; and then the mixture is dried for 12 to 36 hours under the temperature condition of 60 to 110 DEG C or naturally dried for 24 to 48 hours indoors, sintered for 2 to 6 hours at the temperature between 800 and 1400 DEG C, cooled naturally, and soaked by water for 24 to 48 hours, then dried for 12 to 36 hours under the temperature condition of 60 to 110 DEG C or naturally dried for 24 to 48 hours indoors, finally the high-thermal resistance forsterite light material is prepared. The invention is characterized by abundant material resource, low production cost and easy industrial production. The volumetric density of the high-thermal resistance forsterite light material prepared by the method is between 0.8 and 2.0g/cm, with excellent performance as well as long service life; and the invention is applicable for various industrial thermal equipment below the temperature of 1300 DEG C.

An electrode and a related method of manufacture are provided. The electrode includes a self-aligning active material having short fiber powders with a cylindrical morphology to increase the packing density from 0.74 to nearly 0.91. The short fiber powders self-align during a slurring coating process as a result of shear forces between a die and a foil. The resulting coating includes parallel short fibers in a closed packed arrangement, providing an increased volumetric capacity of at least approximately 17%.

The invention discloses a method for determining the bulk density and the void ratio of a wet bulk solid. The method comprises the steps of preparing raw materials required for an experiment according to a selected W/CM value, putting a cementing material into a mixing bowl for dry mixing, putting the mixed cementing material back to an original container and feeding all water required for the experiment in an empty pot body; feeding the mixed cementing material into the mixing bowl for mixing by five times, putting the mixed mixture into a cylindrical container to measure the bulk density of the mixture; and finally calculating the bulk density and the void ratio of the wet bulk solid according to experimental data and derived formula. By adopting a wet stacking method, the problems that a traditional method for testing the bulk density of a dry bulk solid is easily affected by a compacting factor and the influence which can be caused by a liquid to a sample are solved. Compared with the prior art, the method disclosed by the invention has the advantages that the bulk density and the void ratio of the wet bulk solid can be simply, quickly and accurately determined and the method can be applied to optimal proportion section of the wet bulk solid.

The invention discloses a forced closing method for improving a multi-layer fracturing crack support profile. The forced closing method includes the steps that (1) critical reservoir parameters are evaluated; (2) a layered crack propagation law is simulated; (3) an ultra-low density proppant is selected; the mean grain size of the proppant is 1/10 to 1/6 of the minimum crack width; and the bulk density of the proppant is less than 1.4g/cm<3>; and (4) the shut-in time after pressure is simulated, specifically, according to the fracturing construction parameters of adjacent wells around a well,different shut-in time after pressure is set, the change of the concentration profile of the proppant in different time is observed, and if the concentration profiles of the proppant in two certain shut-in time are very close, the previous time is taken as the final shut-in time. The forced closing method comprehensively optimizes the grain size of the proppant, the shut-in time after pressure andthe like, improves the multi-layer fracturing crack support profile, overcomes the current technical limitations, and maximizes the post-pressure yield-increasing effect.