74 results about "Structural factor" patented technology

A power tool control system connected with a drill press provides a system for determining operational settings for the drill press and / or structural factors of a workpiece to be operated upon by the drill press. For instance, the power tool control system may establish a visual indication of the axis of operation of the drill press upon a workpiece and / or determine the thickness, structural composition, and / or moisture content of a workpiece. The determined axis of operation and / or structural factor is utilized to determine the operational settings of the power tool.

Two aspects, an impurity factor and a structural factor are assumed as the deterioration causes of an organic light emitting device and means for solving the respective factors are provided. In order to prevent deterioration of the light emitting device, concentrations of moisture and oxygen, which are left in a space in which an organic light emitting element is sealed, are minimized. At the same time, an impurity including oxygen, such as moisture or oxygen which is included in an organic compound composing the organic light emitting element, is reduced. An element structure for preventing the deterioration of the organic light emitting element due to stress is used to suppress the deterioration.

The invention discloses a method for predicting influence of vibration deformation on electric performance of an array antenna. The method comprises the following steps of: 1) determining a geometric model file of the array antenna; 2) establishing a finite element model of the array antenna in ANSYS; 3) presetting an acceleration power spectrum, calculating random vibration deformation, and extracting position offset of each radiation unit; 4) calculating a pattern function of the array antenna; and 5) judging whether the pattern function satisfies design requirements. According to the conventional method, whether the structure strength of the antenna satisfies the requirement is analyzed according to the acceleration power spectrum, and the electrical performance cannot be determined according to array plane deformation errors. The method provided by the invention can realize the prediction on the electrical performance of the antenna according to the offset caused by random vibration; the method provided by the invention is more succinct, can introduce the offset into an electromechanical coupling model to calculate the electrical performance, and does not need to repeat electromagnetic modeling according to the change of the offset; and the method provided by the invention is used for analyzing the influence of vibration on the antenna and finding main structural factors, thereby ensuring that the antenna is protected from being damaged, and the electrical performance of the antenna in a working state is improved.

The invention discloses a high-voltage switch cabinet insulator electric field optimization method based on a quantum genetic algorithm. The method comprises the following steps that 1) a high-voltage switch cabinet insulator geometric model is built; 2) the high-voltage switch cabinet insulator model is subjected to electrostatic field simulation to obtain the maximum electric field intensity value, and structural factors for influencing the electric field distribution and the maximum field intensity are determined through changing variable structural parameters; 3) a population is initialized; 4) an objective function is determined, and a fitness degree function is calculated, wherein the objective function of an individual is the electric field intensity corresponding to the parameters; 5) for the individual population consisting of binary gene codes, the variation is carried out after the selection and the full-interference crossing; and 6) whether the quantum genetic operation stop condition is met or not is judged, if the stop condition is not met, the operation returns to the first step, and if the stop condition is met, the corresponding response value is calculated according to the optimized structure parameters obtained in the fifth step, and the maximum electric field intensity value is obtained. The method can realize the optimization on the high-voltage switch cabinet insulator electric field.

Provided are the following cold-rolled steel sheets: 1) a cold-rolled steel sheet having higher stretch flangeability than conventional steels; 2) a cold-rolled steel sheet having a higher balance between elongation and stretch flangeability than conventional steels; and 3) a cold-rolled steel sheet heightened in all of yield stress, elongation, and stretch flangeability. The cold-rolled steel sheets are characterized by containing 0.03-0.30 mass % carbon, up to 3.0 mass % (including 0 mass %) silicon, 0.1-5.0 mass % manganese, up to 0.1 mass % phosphorus, less than 0.01 mass % sulfur, up to 0.01 mass % nitrogen, and 0.01-1.00 mass % aluminum and having a structure which comprises tempered martensite in an amount of 50% or more (including 100%) in terms of areal proportion and in which the remainder is ferrite. The steel sheets are further characterized in that at least one of the following structural factors has been regulated: the proportions of cementite particles and of the ferrite grains in the tempered martensite and the dislocation density in all structures.

A method of identifying, screening, characterising or designing a chemical entity, which mimics or binds to FIH, is described. The method comprises comparing a structural model of FIH with a structural model for said chemical entity, wherein said structural model of FIH is derived from structural factors or structural coordinates determined by subjecting to X-ray diffraction measurements a crystal comprising FIH. Such chemical entities may be used in the treatment of a condition associated with increased or decreased HIF levels or activity.

The invention provides a ground heat exchanger used for a ground source heat pump air conditioning system. According to structural factors of pipes themselves and interaction factors between the pipes and geothermal resources and through structural improvement and optimization, the heat exchange performance of the ground heat exchanger is enhanced, and the heat exchange efficiency between water flows in the pipes of the ground heat exchanger and the geothermal resources is increased. The ground heat exchanger is used in the ground source heat pump air conditioning system, the service life of the ground heat exchanger can be prolonged, the energy efficiency of the ground source heat pump air conditioning system is increased, energy consumption and the fault rate of the system are lowered, and therefore the problem that an existing ground heat exchanger structure is prone to causing low heat exchange efficiency, high fault rate, low energy efficiency, non-obvious energy-saving benefits and the like of the ground source heat pump air conditioning system is solved.

Provided are the following cold-rolled steel sheets: 1) a cold-rolled steel sheet having higher stretch flangeability than conventional steels; 2) a cold-rolled steel sheet having a higher balance between elongation and stretch flangeability than conventional steels; and 3) a cold-rolled steel sheet heightened in all of yield stress, elongation, and stretch flangeability. The cold-rolled steel sheets are characterized by containing 0.03-0.30 mass % carbon, up to 3.0 mass % (including 0 mass %) silicon, 0.1-5.0 mass % manganese, up to 0.1 mass % phosphorus, less than 0.01 mass % sulfur, up to 0.01 mass % nitrogen, and 0.01-1.00 mass % aluminum and having a structure which comprises tempered martensite in an amount of 50% or more (including 100%) in terms of areal proportion and in which the remainder is ferrite. The steel sheets are further characterized in that at least one of the following structural factors has been regulated: the proportions of cementite particles and of the ferrite grains in the tempered martensite and the dislocation density in all structures.

The invention provides anti-cracking concrete, which comprises water, cement, sand, crushed stones, fly ash, expanding agent, admixture and polypropylene fiber in a weight ratio of 200-220:275-300:870-920:1,190-1,280:75-85:38-42:2.5-2.8:1 and is prepared by stirring and mixing the water, the moderate-heat portland cement, the sand, the crushed stones, the fly ash, the admixture and the special concrete polypropylene fiber, pouring the mixture and allowing the mixture to cur, wherein the water to cement ratio of the anti-cracking concrete is 0.49 to 0.52. Tests prove that the anti-cracking concrete with a unique mixing ratio and unique components including the polypropylene fiber can effectively prevent cracks caused by non-structural factors such as the temperature of the concrete and air shrinkage to the surfaces and interiors of rock-anchored beams in large key water-control projects.

A new type of dolphin-shaped cellular circular array super surface producing a local composite polarized light field is provided. The super-surface is a circular array-shaped micro-nano metal structure, which consists of N (N>=3 and N is a positive integer) dolphin-shaped metal cellular structures which are rotatably arranged at the equal angle to form a circular array. Each dolphin-shaped metal cellular structure binds the incident light energy to the structural surface and eventually a local focusing strong field is produced at the tip of each dolphin-shaped cellular, so as to change the structural factor m (m> 1) to adjust the enhancement factor of the focusing field. Due to the structure of the dolphin-shaped metal cellular and the circular array structure formed by the equal-angle arrangement, and the incident linearly polarized light can be converted into a spiral phase beam. The ratio of the intensity of the z-direction component Ez of the transmitted field to the intensity of the total light field E decreases with increased in the propagation distance, and the Ez phase spiral effect is getting better with increased in the propagation distance. The dolphin-shaped cellular circular array super surface can be used as optical tweezers and optical angular momentum regulators, and has an important application value in broadband optical communication, optical imaging, nano-manipulation and other fields.

The invention discloses an electrical property prediction method of an offset reflector antenna based on an electromechanical coupling model. The electrical property prediction method comprises the steps of: 1) establishing an antenna finite element model in I-DEAS; 2) analyzing in the I-DEAS to obtain the temperature distribution of each node of the finite element model of the offset reflector antenna; 3) reading a finite element model file in an Ansys file and computing structural deformation caused by temperature; 4) computing items of influence caused by reflector errors and feed source errors of the offset reflector antenna to aperture field amplitude-phase of the antenna; 5) computing the electrical property of the offset reflector antenna; and 6) judging whether design requirements are satisfied. The electrical property prediction method of the offset reflector antenna based on the electromechanical coupling model has the advantages that the influence of temperature on the structure of the offset reflector antenna can be accurately analyzed and the structural field and electromagnetic field coupling analysis of the offset reflector antenna is realized; and the influence of various structural errors to the working performance of the antenna is analyzed, the major structural factors can be found out, the reasonable requirement on structural precision can be given out according to actual demands, the development cycle is shortened and the development cost is reduced.

The invention discloses an on-site damage monitoring and recognition method for a wind turbine blade. Aiming at the on-site operation conditions of the wind turbine blade, the method carries out the on-line monitoring and recognition of the defects of the wind turbine blade. The objective of the invention lies in providing the on-site monitoring technology, and the method achieves the timely discovering and recognition of the cracks which are possibly caused by internal and external factors when the blade is in operation. The method is characterized in that a damage part, a peripheral local region and the mechanical properties will change to some extent before and after the damage happens when a blade structure generates cracks because of external environment factors and a structural factor, thereby enabling the proportional relation between a structural strain level of the damage part and peripheral local region and a wind load to change to some extent. Therefore, the method achieves the recognition of the damage condition of the blade through the on-line monitoring of the relation between the strain of a weak part of the blade structure and the wind load.

Disclosed are an embedded rapid quantitative evaluation method for traffic environment vibration and an embedded rapid quantitative evaluation method. A group of intelligent sensor nodes are arranged at test sites to acquire traffic environment vibration data, and each node is used for internally evaluating traffic environment vibration and displaying results in real time. The test sites form a sensor network, each node achieves time synchronization by means of internal clock calibration, and the influence of different distances, different soil layers and different structural factors on vibration propagation is obtained by means of summing up evaluation results of all the test sites. The test sites are positioned at vibration sources and vibration-sensitive places caused by the vibration sources as required or positioned on running public transport vehicles, each node is provided with a vertical analog acceleration sensor and a horizontal analog acceleration sensor, and the data are outputted after passing through a signal conditioner, an analog-to-digital converter and a programmable anti-aliasing filter. The system is convenient in installation and the method is accurate in test.

A gauge for connecting with a power tool and providing a system for determining structural factors of a workpiece to be operated upon by the power tool is provided by the present invention. The gauge including a probe connected with a sensor via a spring, wherein contact by the probe with the workpiece allows a reading by the sensor which may be utilized to determine the proper operational settings of the power tool based on the determined structural factors of the workpiece.

The invention discloses a cross resistance welding process for heterogeneous wires. The process is as follows: various different combinations of current and pressure are adopted; in a first pulse, large electrode pressure and small welding current are adopted; contact resistance between a small electrode and a welded wire is reduced so as to reduce electrode adhesion; and the contact area is increased to reduce splashing. In a second pulse, small electrode pressure and large welding current are adopted; a heat production proportion of the contact resistance is increased, so that a non-equilibrium heat production phenomenon at a combined surface can be relieved, thereby generating plenty of molten metal on the combined surface, filling grooves generated because of structural factors, and increasing joint strength. The cross resistance welding process has the technical effects that: the process is suitable for cross resistance welding for heterogeneous wires, especially easy-to-melt materials can wet spread-out heterogeneous material combination on a difficult-to-melt material surface; and the process can realize efficient connection of heterogeneous wires, avoids a special tool required by other welding methods, reduces the welding cost and greatly improves the welding efficiency.

The invention discloses an amorphous alloy composition design method based on thermodynamics factors and structural factors. The amorphous alloy composition design method comprises the following steps: (1) based on binary block body metal glass, selecting a third component with the principle that the atomic radius difference is about greater than 12%, and connecting a binary amorphous composition point with the third component in a ternary diagram to obtain an atomic structure predicted composition line; (2) based on the binary block body metal glass, calculating the delta Hh.delta Hmix.Sconfig predicted value under different contents of the third component, connecting each minimal value in a ternary alloy diagram to be a line, namely a predicted composition line of thermodynamics; and (3) researching the composition relevance between the alloy at the crossed part of the two predicted composition lines in (1) and (2) and the amorphous forming capacity, and determining the intersection point composition of the two predicted composition lines, namely the amorphous alloy composition of final design. According to the composition design method provided by the invention, the accuracy of amorphous alloy composition design is improved, and the error rate in developing novel amorphous alloys is reduced. The method is simple and clear, and easy to understand and grasp.

An ink jet head is fed in a main-scan direction to record one line on a recording paper. Thereafter, the recording paper is fed in a sub-scan direction for one line. A corrected feeding amount A is calculated by adding a correction value C1 to a basic feeding amount B. The correction value C1 is determined by a formula, C1=2.D.(R-½), wherein p represents an interval between dots recorded on recording paper in the sub-scan direction, and k represents a range of unevenness in the feeding amount caused by structural factors of sub-scan feeding means. For example, D=(p-k) / 2. R is a random number in a range between 0 and 1. Gradation unevenness and / or black and white streaks caused by periodical feeding unevenness become inconspicuous since the correction value C1 is changed on a random basis.

An ink jet head is fed in a main-scan direction to record one line on a recording paper. Thereafter, the recording paper is fed in a sub-scan direction for one line. A corrected feeding amount A is calculated by adding a correction value C1 to a basic feeding amount B. The correction value C1 is determined by a formula, C1=2·D·(R−½), wherein p represents an interval between dots recorded on recording paper in the sub-scan direction, and k represents a range of unevenness in the feeding amount caused by structural factors of sub-scan feeding means. For example, D=(p−k) / 2. R is a random number in a range between 0 and 1. Gradation unevenness and / or black and white streaks caused by periodical feeding unevenness become inconspicuous since the correction value C1 is changed on a random basis.

In order to provide a three-dimensional fractal structure that has not been realized by prior art or new technology, the fractal structure of the present invention is a structure with a three-dimensional fractal structure partially or entirely, and in terms of the penetration rate of electromagnetic waves, the The fractal structure has a minimum value in the unique wavelength determined by the structure factor and material of the fractal structure, and / or has a minimum value in the specific wavelength determined by the structure factor and material of the fractal structure in terms of reflectivity of electromagnetic waves.

The invention discloses an affinity prediction and analysis method for a human amphiphysin-1 Src homology-3 domain binding peptide. The method comprises the following steps of: selecting an electrical property parameter, a three-dimensional property parameter, a hydrophobicity parameter and hydrogen bond property parameter of an amino acid, establishing physicochemical property classification scores of the amino acid by adopting a principal component analysis method, representing each amino acid residue in a peptide sequence by using the scores to realize the parameter-based description of a peptide sequence structure, selecting characteristic parameters closely related to affinity from parameters of the peptide sequence structure by using a genetic algorithm, establishing a relational model, namely an affinity prediction and analysis model between the characteristic parameters and the affinity by using a Gaussian process, obtaining structural factors influencing the affinity of the peptide by analyzing hyper-parameters of the model, and performing prediction by using the model to obtain an affinity value of the peptide. By the method, a powerful tool can be provided for the high-throughput screening of high-affinity human amphiphysin-1 Src homology-3 domain binding peptides, and development and researches on human amphiphysin-1 Src homology-3 domain binding peptide inhibitors are further prompted.

The invention discloses an automatic analysis system and method of product quality factor information. The automatic analysis system comprises an after-sale information searching memory, a quality detection risk information memory, a product standard information memory, a same-kind product quality problem information memory, a structural factor quality information memory, a technical factor quality information memory, a material factor quality information memory, an artificial operation factor quality information memory, an automatic operation factor quality information memory, a central calculator and multiple investigation terminals. The automatic analysis method comprises the steps of preliminary information collection, information classification and storage, artificial supplementary information classification, report generation and new report generation.

The invention relates to a combustor structure optimization method based on a response surface method. The combustor structure optimization method comprises the following specific steps: (1) determining structural factors, required to be considered, of a combustor, and performing coding conversion on the structural factors; (2) determining a test scheme by adopting CCD (Central Composite Design) method; (3) completing a test according to the CCD-based test scheme; (4) establishing a response surface model, and analyzing a test result; (5) performing ridge analysis, and determining an optimized structure parameter combination. According to the combustor structure optimization method, the test scheme is determined by using the CCD method, and the test result is analyzed by virtue of response surface software, so that the linear term influence and the quadratic term influence on the combustion performance of the combustor caused by all the factors can be determined, the cross term influence of all the factors can also be determined, the optimized structure parameter combination is further determined by the ridge analysis, and a low-nitrogen combustion effect is achieved.

The invention discloses a convection type rectifying edge air suction lampblack removal mode, and belongs to the technical field of household appliance products. Due to popularization of modern household air conditioning equipment, a closed space is formed in the household environment. In the use process of a range hood, indoor air and outdoor air cannot achieve convection, the air pressure difference is increased, the sucking rate is lowered, and the lampblack removal efficiency is reduced. Due to the structural factor of the range hood, turbulent flow appears in the process that lampblack gas enters a suction opening, the lampblack gas overflows, and the lampblack removal efficiency is influenced. According to the mode, an air inlet channel is additionally arranged on the range hood, the outdoor air is introduced into a room, the range hood has the convection condition, the indoor air conditioning environment is protected, and smooth smoke exhausting conditions are provided. Based on the aerodynamics principle, it is designed that an air curtain is formed on the periphery of the range hood through the introduced outdoor air, and lampblack overflowing is avoided. The structure of the range hood is optimized. Rising smoke is guided into the suction opening in the edge of the range hood through a global fairing, it is guaranteed that lampblack gas generated in the cooking process can be completely exhausted, and therefore the lampshade removal function is improved.

Making a water permeable traffic bearing system includes preparing a compound water permeable base in contact with a native substrate, and installing a drainage system having a plurality of elongate drainage joints over the prepared water permeable base. Each of the drainage joints defines a plurality of vertical drainage conduits opening at upper and lower sides and in fluid communication with a storage volume defined by the water permeable base. Making the water permeable traffic bearing system further includes forming a segmental mat having a plurality of water impermeable surface pads abutting the plurality of drainage joints, at least in part by filling voids extending horizontally between the drainage joints with a curable paving material, and curing the paving material within the voids, in contact with each of the water permeable base and the drainage joints. Installing the drainage system further includes tuning precipitation handling of the traffic bearing system, at least in part by setting a spacing and a number of the drainage joints responsive to, a water throughput factor of the traffic bearing system and a structural factor of the segmental mat. The drainage joints may have upwardly and downwardly oriented legs joined via a bridge in an H-configuration.

The invention discloses a carbon footmark rapid assessment method supporting a low-carbon product structure design. The method comprises the following steps: structures which are connected in a physical connection mode, a chemical connection mode, etc. are defined as connection structure units with connection characteristics among product components as links; the connection characteristics of products are analyzed, and connection structure unit division is performed on the products according to levels so that a product connection structure unit model is established; structural factors affecting carbon footmarks of the products are acquired via analysis of a life cycle; the effect degree of the carbon footmarks of connection types is assessed, and carbon footmark allocation factors are calculated with the connection types as assessment objects and the structural factors affecting the carbon footmarks of the products as assessment criteria; and a carbon footmark recursive allocation method is put forward, the relative carbon footmarks of all connection structure units constructing the products are rapidly assessed, and the maximum structural unit of the carbon footmarks is identified so that the low-carbon design is supported. The invention brings forward the carbon footmark rapid assessment method with respect to the product low-carbon structure design so that a defect of being low in maneuverability in the prior art is overcome.

The invention discloses a graphene oxygen fluoride and polyimide composite powder coating which is prepared from the following raw materials in parts by weight: 100 to 110 parts of polyimide, 10 to 14 parts of carbon monofluoride, 0.1 to 0.3 part of potassium peroxodisulfate, 1 to 2 parts of sodium nitrate, 0.1 to 0.4 part of potassium hypermanganate, 4 to 6 parts of sebacic acid, 0.5 to 1 part of phosphorus pentoxide, 0.1 to 0.2 part of dicyclohexylcarbodiimide, 0.1 to 0.2 part of 4-dimethylamiopryidine and 6 to 10 parts of tributyl citrate. According to the graphene oxygen fluoride and polyimide composite powder coating, firstly, sebacic acid is grafted into graphene oxygen fluoride with relatively high dispersivity, and a carboxyl with chemical reaction activity is retained at the tail end of each sebacic acid aliphatic chain of a composite material, so that the structural factors promote a polyimide molecular chain to be plugged between graphene oxygen fluoride slices more easily, and the interface action between the graphene oxygen fluoride and the polyimide can be enhanced; therefore, the dispersivity of grafted inorganic particles among polymers can be effectively improved.

The invention discloses a device for independently assessing phase modulating capacity of an inertia tube and an air reservoir and an assessment method. The device comprises a to-be-assessed inertia tube, the air reservoir, a compressor, a dynamic pressure sensor, a displacement sensor, an oscilloscope and a temperature control device, wherein the dynamic pressure sensor is used for measuring inlet pressure waves of the inertia tube, the displacement sensor is used for measuring scavenging air volume of the compressor, the oscilloscope is used for measuring a phase relationship between the pressure waves and piston displacement, and the temperature control device is used for providing different temperature control for the inertia tube and the air reservoir. Inlet acoustic power of the inertia tube is regulated by changing input power of the compressor, so that the relationship between acoustic power and the phase at different temperatures of the inertia tube and the air reservoir is obtained. The device has the advantages that interferences of a cold finger and other structural factors of a pulse tube refrigerator can be excluded, phase modulating capacity of the inertia tube and the air reservoir is independently assessed, the structure is simple, operations are easy, evaluation objectives are clear, the design of the inertia tube and the air reservoir is favorably improved, and efficiency is optimized.