545 results about "Contact condition" patented technology

Contacting a crude feed with one or more catalysts to produce a total product that includes the crude product is described. The crude feed has a TAN of at least 1. At least one of the catalysts includes one or more metals from Columns 6-10 of the Periodic Table and/or one or more compounds of one or more metals from Columns 6-10 of the Periodic Table. Contacting conditions are controlled contacting such that the crude product has a TAN from about 0.001 to about 0.5.

The invention is an encapsulated active agent comprising an active agent encapsulated in a crystallizable or thermoplastic polymer wherein the particle size of the encapsulated active agent is 3,000 microns or less wherein the active agent is not significantly extractable from the particles under ambient conditions. In another embodiment the invention is a process for preparing an encapsulated agent which comprises a) contacting an active agent with a crystallizable or thermoplastic polymer wherein the polymer is molten and the active agent in not volatile under the contacting conditions; b) forming particles of about 3000 microns or less; and c) exposing the particles to conditions such that the portion of the particle at and near the surface undergoes rapid solidification. The encapsulated active agents of the invention do not require washing in order for them to be stable in curable compositions. These encapsulated active agents can be designed to release the active agent at a desired temperature. The encapsulated agents of the invention demonstrate excellent stability at ambient temperatures and exhibit relatively rapid reactivity upon release of the active agent. Furthermore, the presence of the encapsulating agent does not result in deterioration of adhesive or elastomer properties of a cured composition after preparation.

The invention provides an optical measurement system and method for a three-dimensional shape of a large-scale complex curved surface member. The method is based on binocular optical grating projection measurement technologies, point cloud poses of all station positions during multiple station position measurement are obtained via a laser tracker and a corresponding target ball, point cloud obtained via the multiple station position measurement is converted to be under a unified laser tracker coordinate system according to corresponding pose data, and overall merging of point cloud data of a large-scale complex surface-shaped member can be realized; in the system, a six degree-of-freedom robot is used as a carrier for a point cloud space pose tracking unit and a binocular structured light measurement device, single station position measurement precision is ensured via calibration of the binocular structured light measurement device before measurement work starts, and data integrity and measurement efficiency are ensured via measurement route planning. Via the optical measurement system and method, all kinds of large-scale complex surface-shaped members can be accurately measured in non-contact conditions; practical, reliable and complete original three dimensional shape data can be provided for evaluation of all kinds of processing quality.

There is provided an apparatus capable of carrying out an accurate bioelectrical impedance measurement by determining whether contact of a living body with electrodes used at the time of the bioelectrical impedance measurement is normal or not more accurately. The apparatus uses a parameter associated with a phase difference in determining the contact condition of the living body with the electrodes. As the parameter associated with a phase difference, the apparatus uses a value represented by X/R wherein R is a resistance component in a bioelectrical impedance to be measured and X is a reactance component in the bioelectrical impedance and determines that contact of the living body with the electrodes is not normal when the value of X/R is out of a determination range such as a<X/R<b (a and b are real numbers).

Methods of producing a total product are described. A method includes contacting a feed with a hydrogen source in the presence of one or more inorganic salt catalysts and steam to produce a total product; and controlling contacting conditions such that the conversion of feed to hydrocarbon gas and hydrocarbon liquid in the total product is between 5% and 50%, based on the molar amount of carbon in the feed.

A probe apparatus 1 includes displacement detection means 6 disposed on a surface 4a of a probe card 4 from which probing needles 41 of the probe card 4 protrude, and control means 5 for receiving a signal of a positional change of the probe card 4 from the displacement detection means or a positional change on the stage side, or signals of positional changes of both of them and moving a stage 2 in a Z axis direction. The displacement detection means detects on the real time basis the positional change of the probe card due to influences of heat, etc, moves the stage to correct the positional change and keeps the contact condition between probing needles of the probe card and electrode pads of a wafer 10 always constant.

The invention discloses a rail vehicle compartment state non-contact detection device and method. The device comprises three groups of data acquisition units, each of which is formed by a laser scanner and a high-definition camera, and a control unit for carrying out image identification processing on data collected by the data acquisition units. The data acquisition units collect relevant data of rail vehicles and send the data to the control unit; and the control unit is used for carrying out training with compartment surface contour and image data being as samples through an image recognition algorithm based on a deep belief network model, and carrying out fast and accurate detection on each compartment under a non-contact condition. The device and method can judge vehicle arrival, measure vehicle speed, identify compartment types, reduce a three-dimensional image of each compartment, judge overlimit and load information of each compartment, identify compartment cargo kind and covering information and detect opening and closing state of a compartment door and damage degree of a door lock and the like, so that detection efficiency is greatly improved, and operating personnel are free from tedious operation.

The invention relates to electric lubricating grease and a preparation method thereof, and in particular relates to electric lubricating grease used for a terminal in the electric locomotive and power industries and a preparation method thereof. A fatty acid soap-type thickening agent is weighed in proportion and is added into base oil to be mixed, stirring and slow heating are carried out, then the base oil is continuously added, stirring and heating are continuously carried out, and then the base oil is added, and mixing is carried out and homogenizing by virtue of a homogenizer or grinding by virtue of a grinding machine is carried out, thus base ester is obtained; and an anti-oxidation additive, an anti-corrosion additive, an anti-rust additive, a conductive additive and an anti-static additive are sequentially added into the obtained base ester and mixed; and then the mixture is homogenized by virtue of the homogenizer or ground by virtue of the grinding machine; and finally filtering and packaging are carried out to obtain the electric lubricating grease product. The lubricating grease provided by the invention has excellent conductive performance, contact condition of an electric contact is effectively improved, and antiseptic and antirust performances of the electric contact are obviously improved. The electric lubricating grease product can be widely applied to the electric contact of an electric locomotive and a power supply system.

The invention provides a method and device for detecting the overheat faults of GIS (Gas Insulated Switchgear) busbar joints. The method comprises the following steps of: establishing a function equation according to a relation among the shell temperature value, contact resistance value, load current value and environmental temperature value of a GIS busbar joint under typical bad contact conditions; carrying out regular polling according to a preset temperature polling cycle, measuring the shell temperature value, load current value and environmental temperature value of the GIS busbar joint in the current cycle, and according to the function equation, calculating the polling contact resistance value of the GIS busbar joint; and comparing the polling contact resistance value with a contact resistance value of the GIS busbar joint under normal contact conditions so as to judge whether a fault occurs. According to the method and device for detecting the overheat faults of GIS busbar joints, provided by the invention, a situation whether a fault occurs is judged according to the contact resistance, so that the overheat faults of GIS busbar joints can be detected more effectively, and an effect of ensuring the safe and stable operation of a power system can be facilitated.

Methods of producing a total product are described. A method includes contacting a feed with light hydrocarbons in the presence of one or more inorganic salt catalysts and steam to produce a total product; controlling contacting conditions such that at least 50% of the light hydrocarbons are recovered; and producing a total product, wherein the ratio of atomic hydrogen to carbon (H/C) in the total product is between 80% and 120% of the atomic H/C of the feed.

The invention belongs to the technical field of agriculture product processing, and particularly relates to a flat plate type vacuum pulsation drying machine. The flat plate type vacuum pulsation drying machine comprises a machine body, a control unit, a material drying unit and a pulsation vacuum unit, wherein the material drying unit is provided with multiple layers of material shelves. According to the flat plate type vacuum pulsation drying machine disclosed by the invention, a heating part adopts special electric heating plates, so that the processing is simple and convenient, the cost is low, the heating temperature is uniform, and the manufacturing cost, the using cost and the maintaining cost of the drying machine are greatly reduced; through a hierarchical control mode, corresponding heating plates can be opened according to actual processing amount, so that the energy consumption is reduced; meanwhile, soft material trays are adopted, so that the contact conditions between the material trays and the heating plates are remarkably improved, the quality of dried products can be effectively ensured, and the problem that the soft material trays are inconvenient to move is overcome by using a dedicated material tray shovel to assemble and disassemble the material trays; in addition, the flat plate type vacuum pulsation drying machine belongs to static drying, the breakage of materials cannot be caused; the processing and loading capacity of equipment can be effectively increased by virtue of a multi-layer structure.

The invention belongs to the field of automatic optical measurement, and particularly discloses a large-scale complex curved surface three-dimensional shape robot movement measuring system and method.The system comprises structured light three-dimensional scanning equipment, an industrial robot, an autonomous moving platform, stereoscopic vision measuring equipment and ground positioning targets.The method using the system for measurement comprises the following steps that coordinates of the positioning targets under an overall coordination system are calibrated; a robot hand-eye relationship is calibrated; an automatic measuring route is programmed; cloud data of a plurality of position points are obtained; cloud poses of the position points are obtained; and the cloud data of the multiple position points are subjected to alignment. According to the large-scale complex curved surface three-dimensional shape robot movement measuring system and method, efficient and high-precision automatic measurement of a large-scale complex curved surface three-dimensional shape under a non-contact condition can be realized, so that original three-dimensional data is provided for machining quality estimation of a large-scale complex curved surface.

Maintaining proper planarity of elements of a microelectronic component test system helps ensure reliable operation of the test system. This disclosure suggests test systems and methods for verifying planarity of, for example, a head and a support surface of a microelectronic component test system. In one exemplary method, a probe card is mounted to and electrically coupled to a head of a microelectronic component test system. The probe card has an array of probes. A contact surface of the support is moved with respect to the head and a change in contact condition of each of the probes is recorded in a first data set. The orientation of the probe card with respect to the contact surface is changed, the contact surface is moved with respect to the head again, and a change in contact condition of each of the probes is recorded in a second data set.

A system and method for detecting the absence of contact between the hands of a driver of a vehicle and a steering wheel of the vehicle that have particular application in ensuring the proper functioning of various components of the driver assist steering systems and maintaining driver attentiveness. The method for detecting a no-contact condition between the hands of the driver of the vehicle and the steering wheel includes generating a model of the no-contact condition using a second-order transfer function. The method further includes obtaining a set of model-generated steering dynamics by estimating a plurality of parameters of the second-order transfer function and a set of measured steering dynamics using a plurality of sensors. The set of model-generated steering dynamics and the set of measured steering dynamics are then compared and the no-contact condition is detected based on this comparison.

The invention disclose s an involute bevel gear tooth end relief and parametric modeling method which includes the steps of building a three-dimensional model of a bevel gear without the relief; building a finite element model of the bevel gear without the relief; determining 4 key engaging positions in the gear engaging process according to the gear engaging period to obtain the gear circumferential displacement difference value and the tooth width-direction equivalent contact stress distribution; determining the relief amount and the relief length of the tooth end relief; building a relief curve equation and a relief tooth surface equation; realizing the primary modeling of the relief curve and the tooth surface after the relief, and building a three-dimensional model of the relief gear; analyzing the gear after the relief by finite element analysis software and comparing the gear after the relief with a gear without the relief. The tooth surface contact condition is improved, the vibration noise in the gear engagement is reduced, and the NVH quality of the gear is improved.

A relay controller for connecting a power source includes at least one relay having at least two contacts. The relay controller includes a processing device operable to selectively switch the relay contacts, and a feedback circuit adapted to identify an actual state of the relay contacts. The processing device is configured to recognize a fault contact condition of a disparity between an expected state of the relay contacts and the actual state of the relay contacts. The processing device is also configured to responsively communicate information relating to the relay fault condition.

A cooling device includes a rotatable belt extended by a plurality of extending members that transfers a sheet in contact with the surface of the belt, and a plurality of cooling members to cool the sheet via the belt. A cooling surface of the cooling members contacts an internal surface of the transport belt. The cooling members are detachable. The cooling device also includes an adjuster to adjust a contact condition between the cooling surface and the internal surface according to the number of cooling members installed.

The invention provides a rare earth oxide and transition metal oxide-supported alkali metal catalyst for reducing the combustion temperature of soot particles in diesel vehicle exhaust, and a preparation method thereof. The preparation method is characterized in that non-noble metal salts are taken as raw materials, the sol-gel method is employed as the preparation technology, and the preparation process is easy to control. Soluble salts of rare earth Ce, transition metal Mn and alkali metal K are taken as precursors and the mass percents of Ce, Mn and K are adjusted to obtain the K/CeO2-MnO2 catalyst. In a bulk contact condition, the combustion temperature of the soot can be reduced from 575 DEG C in absent of a catalyst to 395 DEG C in present of the catalyst, thereby meeting the temperature range of the diesel vehicle exhaust. The catalyst is a catalyst which is capable of removing the soot in the diesel vehicle exhaust effectively.

A conveying roller pair disposed in a bleaching-fixing bath of a photographic printer is constituted of a flat roller and a projection roller. Plural roller pieces are fixed to a roller shaft of the projection roller. Plural projections are formed by coating molding on an outer peripheral surface of the roller piece. Each roller piece has a core with an approximately ring shape, and an elastic layer with plural projections. The core and the elastic layer are adhered through a primer layer. Accordingly, uniform adhesive strength is secured and slipping of the elastic layer on the core is prevented. Since the plural projections are arranged in a phase-coherent manner, contact condition and contact pressure between the sheet and the projection roller are kept constant. As a result, a skew of the sheet is prevented.