590results about How to "Avoid mutation" patented technology

A light emitting device comprises a pair of electrodes and a mixed layer provided between the pair of electrodes. The mixed layer contains an organic compound which contains no nitrogen atoms, i.e., an organic compound which dose not have an arylamine skeleton, and a metal oxide. As the organic compound, an aromatic hydrocarbon having an anthracene skeleton is preferably used. As such an aromatic hydrocarbon, t-BuDNA, DPAnth, DPPA, DNA, DMNA, t-BuDBA, and the like are listed. As the metal oxide, molybdenum oxide, vanadium oxide, ruthenium oxide, rhenium oxide, and the like are preferably used. Further, the mixed layer preferably shows absorbance per 1 μm of 1 or less or does not show a distinct absorption peak in a spectrum of 450 to 650 nm when an absorption spectrum is measured.

The invention discloses an externally applied antibacterial and antiphlogistic medicament and a preparation method thereof, and relates to an antiphlogistic medicament and the preparation method thereof. The antiphlogistic medicament is processed and prepared by the following raw materials: peppermint, fineleaf schizonepeta herb, divaricate saposhnikovia root, rhubarb, amur corktree bark, common andrographis herb, fructus forsythiae, baical skullcap root, Philippine violet herb, radix salviae miltiorrhizae, lightyellow sophora root, dahurian angelica root, tree peony bark, aloe, membranous milkvetch root, indigowoad leaf, sweet wormwood herb, Chinese gentian, sinkiang arnebia root, liquoric root, Chinese gall, golden thread, cassia seed, indigowoad root, honeysuckle flower, chrysanthemum, hawthorn fruit, sessile stemona root, argy wormwood leaf, common cnidium fruit, borneol powder, borax powder, honey, propanetriol, propanediol, Tween-60, OP10, castor oil and turpentine oil. The product has good antibacterial and antiphlogistic effects, bacteria can not generate an antibody and can not generate the resistance to the medicament, the bacteria can be prevented from being mutated to superbacteria, and the antiphlogistic medicament has no toxicity or side effects and is safe to use.

The invention relates to a power control method of a battery management system. The power control method includes the following steps: establishing a two-dimensional power list of temperature and SOC (state of charge); detecting current temperature and an SOC value, looking up the list and estimating a current maximum allowable discharging power value according to a linear interpolation method; performing self-adaptive power correction; if abnormity of the system is detected, finding out related parameter values of abnormity of the system, and setting maximum allowable target discharging power at the time according to the related parameter values; smoothing the power value; transmitting the set maximum allowable target discharging power to a whole vehicle controller, and performing corresponding control by the whole vehicle controller. Compared with the prior art, the power control method has the advantages that the method can automatically adapt to environment and changing of circumstances of declination of actual battery capacity or increase of internal battery resistance and the like to correct allowable power values, and flexibility is high; smoothing is adopted, so that abrupt changing of the power value can be effectively prevented, influence caused by abrupt changing can be reduced, and comfortableness in the process of driving can be improved.

An unmanned bicycle realizing balance control during speed changing comprises a hardware structure and a control system. A brand-new speed-changing control system structure is designed by improving the hardware structure of the bicycle and additionally arranging a speed sensor, an angle sensor, a handlebar steering motor, a rear wheel drive motor, a brake motor and a controller. The control system comprises a steering controller module, a speed fusion and parameter switching module, a brake module and a protection module and can control steering of a handlebar of the bicycle, rotation of a rear wheel and the brake force according to the acquired body attitude of the bicycle and bicycle speed information, and accordingly, the balancing and steering functions of the bicycle are realized in the speed changing process.

Novel acetylamino benzoic acid compounds, methods of using and pharmaceutical compositions comprising an acetylamino benzoic acid derivative are disclosed. The methods include methods of treating or preventing a disease ameliorated by modulation of premature translation termination or nonsense-mediated mRNA decay, or ameliorating one or more symptoms associated therewith.

The composition of ecological fertilizer comprises (by weight portion) straw powder 30-70, fungous preparation 1-20, coal humic acid 5-30, urea 5-25, ground phosphate rock 3-25, potassium mineral powder 3-30 and lime 0.3-15. It is made up by adopting biological method, and is low in production cost, and is an organic composite fertilizer applicable to grain crops, vegetables, fruit tree, tobacco and economic crops of acid soil, alkali soil and neutral soil, and its fertilizer effect is good.

A thermal type air flow meter that is capable of suppressing deformation of a base member at the time of molding is disclosed, to thereby secure dimension accuracy and reduce an influence of a dimension change on measuring accuracy. The meter includes a housing member placed in an intake passage of an internal combustion engine, and a base member fixed to the housing member and includes a secondary air passage into which part of air passing through the intake passage flows. The base member is a plate-like resin molded component formed of a synthetic resin material and includes a reinforcing structure integrally formed between a board fixing part to which a circuit board is fixed; and a secondary passage constituting part formed at a leading end part of the board fixing part, the reinforcing structure enhancing strength of the base member.

The invention discloses an underwater robot attitude and position control method based on double-closed-loop active disturbance rejection. The method is characterized by firstly, for a underwater robot, using a momentum and moment theorem and using a conversion relation between a geodetic coordinate system and a body coordinate system to establish a dynamical model; designing the speed loop expansion state observer of the underwater robot to observe unmodeled and external disturbances and carrying out real-time compensation suppression so that the anti-disturbance performance of a speed loop is greatly increased and the robustness of a system is improved; aiming at the high frequency vibration characteristic of the speed loop, using a disturbance observation value to construct a speed loopactive disturbance rejection controller based on nonlinear function feedback; based on a non-linear function fhan, designing the tracking differentiator of a target position signal, giving the transition process and the target speed estimation value of a position signal, avoiding the sudden change of system response and solving the conflict of rapidity and overshoot; and designing a underwater robot position loop proportion-differential controller based on position deviation feedback, wherein the controller is suitable for engineering application.

The invention discloses a design method for easing a curved road section, which comprises the following steps: (1) a circular curved turning radius R and the designed vehicle speed V are determined; (2) a value of roll angular jerk J0, when the length l from a point of tangent to a calculation point of a transition curve is zero, is selected, and then an initial value of the length S of the transition curve is calculated; (3) whether values of roll angular jerk j, roll angular acceleration a, and roll angular velocity omega meet the requirement of indicators of the human engineering is checked according to the initial value of the length S of the transition curve; (4) a curvature radius r of each point on the transition curve is calculated; (5) a curve rotating angle alpha of each point on the transition curve is calculated; and (6) a plane coordinate of each point on the transition curve is calculated. The design method for easing the curved road section can ensure that an eased curved road section is more smoothly connected with linear road sections and circular curved road sections at both ends, and avoids the roll angular velocity and the roll angular acceleration of a vehicle from producing a sudden change at both ends of the eased curved road section, thereby increasing the comfort of people inside the vehicle.

The invention relates to an on-slope shift control method for an automatic gearbox of a heavy-duty vehicle. The method comprises shift control under a climbing working condition, specifically, a gearbox control unit TCU firstly determines the slope-mass grade percentage according to a calculated vehicle mass and a slope value, then determines a corresponding climbing grade mode according to the slope mass grade percentage, and then checks a pre-calibrated accelerator opening degree-target gear table under a climbing grade mode to obtain a target gear, and finally a gearbox executing mechanismexecutes gear shifting operation according to the calculated target gear and a gear shifting instruction, wherein climbing grade modes comprises a low-level mode, a middle-level mode and a high-levelmode. With the influence of the vehicle driving state, slopes and the mass on gear shifting considered comprehensively, the design adopts a regular logic control strategy, not only improves the economy of the vehicle, but also improves the power, drivability and system stability of the vehicle.

The invention discloses a double-tower hybrid beam cable-stayed bridge system. The double-tower hybrid beam cable-stayed bridge system comprises a hybrid beam composed of a concrete beam and a composite beam. The concrete beam and the composite beam are connected through a joint section. The concrete beam is a bilateral ribbed beam and comprises two concrete beam ribs. The composite beam comprises two main steel beams, and the main steel beams are each of an I shape and each comprise a main steel beam top plate, a main steel beam bottom plate and a main beam steel web. The joint section comprises a concrete beam rib-main steel beam connection structure composed of a front pressure bearing plate, a rear pressure bearing plate and a joint section steel web, and the main steel beam top plates and the main steel beam bottom plates stretch into the concrete beam ribs. The double-tower hybrid beam cable-stayed bridge system is reasonable in structural design, convenient to construct, high in construction speed, good in use effect and good in connection effect of a steel-concrete joint part. Meanwhile, the invention further discloses a construction method of the double-tower hybrid beam cable-stayed bridge system. The construction method includes the steps of lower portion supporting structure and main tower construction and hybrid beam construction. The construction method is simple, easy to implement, short in construction period and good in construction effect.

The invention discloses a wide-gain control method for an LLC resonant converter and the resonant converter. The method comprises the steps of: employing a full-bridge LLC PFM control mode at a low-voltage segment of an input voltage range, and changing an output voltage gain through changing a switching frequency; adopting a full-bridge LLC PWM phase shift control mode in a medium-voltage sectionof an input voltage range, wherein in the whole medium-voltage section range, the switching frequency fsw is equal to the resonant frequency fr0, and the output voltage gain is changed by changing the phase shift angle [theta]; in a high-voltage section of an input voltage range, adopting a full-bridge LLC variable duty ratio control mode, wherein in the whole high-voltage section range, the switching frequency fsw is equal to the resonant frequency fr0, and the output voltage gain is changed by changing the duty ratio of a primary side first switching tube S1. According to the invention, smooth switching between modes is achieved, the working efficiency, the gain range and the power density of the converter are improved, and the requirements of a wide-voltage gain range conversion occasion are met.

The invention discloses a joint section structure for a hybrid beam cable-stayed bridge. The joint section structure comprises a concrete beam-combined beam connecting structure connected between a concrete beam and a combined beam, wherein the combined beam comprises steel girders distributed in the longitudinal direction of the bridge, the steel girders are I-shaped and comprise steel girder top plates, steel girder base plates and steel girder web plates. The steel girder top plates and the steel girder base plates extend into the concrete beam, and the concrete beam-combined beam connecting structure comprises a front pressure bearing plate, a rear pressure bearing plate and a joint section steel web plate. The joint section structure is simple, reasonable in design, high in construction speed and good in using effect, and the problems of complicated structure, poor joint effect and the like existing in a steel-concrete joint portion structure can be solved. The invention further discloses a construction method of the joint section structure. The construction method comprises the steps of 1 erecting a construction support; 2 hoisting a steel structure; 3 constructing the concrete beam-combined beam connecting structure; 4 casting concrete. The construction method is simple in step, reasonable in design, convenient to construct, high in construction speed and good in construction effect.

The present invention is directed to therapeutic multifunctional immature dental pulp stem cells (IDPSCs), and IDPSCs multi-lineage compositions. The invention is further directed to the use of IDPSCs and compositions to reduce the risk of and / or treat degenerative diseases or for other medicinal and aesthetic purposes.

A wireless power transmission system adapted for multiload dynamic switching comprises a primary module for transmitting electric energy and a second module for picking up electric energy. The primary module transmits electric energy to the secondary module by using electromagnetic coupling resonance, and when the secondary module switches different power loads, the secondary module gradually changes, by using soft switching, a secondary reflected impedance by using a mode of gradually increasing voltages on two sides of a load, so that changes of a resonance frequency and a phase of the primary module are kept in a self-adaptive range of frequency tracking and control. The primary module can make stable adjustment according a dynamic change of the load, making the primary module stably work; in addition, for an output voltage of a system, because soft switching is used to change the load in load switching, the impact of a load change on the system resonance is reduced, and the stability of a secondary output voltage is ensured.

The invention provides a chip of a consumable container. The chip comprises a storage unit, a control unit and an interface unit, wherein the storage unit is used for storing the data of the consumable container; the control unit comprises a control part and a judgement part; the control part is used for controlling access operation of the data of the storage unit; the judgement part is used for judging whether the consumption of representation consumables required to be recorded by a printer is smaller than a protection consumption threshold value; when the consumption is smaller than the protection consumption threshold value, the control part sends out a control instruction to record relevant parameters into the storage unit; and the interface unit is connected with the storage unit and the control unit respectively to realize data exchange between the storage unit and the control unit and data communication among the storage unit, the control unit and the printer. The invention also provides a recording method of the chip and a method for preventing the cavity data of the chip of the consumable container from being abruptly changed. By adoption of the invention, the abrupt change of the cavity data of the chip and the abrupt reduction of the chip capacity of a user interface caused by the data abrupt change are effectively prevented, and the invention is convenient to use.

The invention concerns the isolation of novel properties of lactic acid bacteria stains. Said novel properties are advantageously useful for preventing and treating cancer. More particularly, the invention concerns the use of lactic acid bacteria to facilitate induction of cell apoptosis of a cancer. The invention also concerns the use of lactic acid bacterial strains, such as Lactobacillus acidophilus and Lactobacillus casei in methods and compositions for preventing and treating cancer, in particular colon cancer.

The invention provides a welding gun swinging device for a vertical electrogas welder, which comprises a horizontal sliding mechanism for leading a welding gun to carry out linear motion along the direction of a vertical weld seam and a serrated swinging mechanism for leading the welding gun to swing in a groove clearance of the vertical electrogas welder, wherein the serrated swinging mechanism on which the welding gun is mounted is arranged on the horizontal sliding mechanism. Thus, the invention has the beneficial effects that a welding electric arc can move back and forth and be welded between a forming cushion plate on the back surface of the weld seam and a water-cooled forming slide block on the front surface of the weld seam as well as between a left side plate and a right side plate of a groove of the vertical electrogas welder; the side wall of the weld seam can be effectively ensured to be fully fused with a welding pool; the depth of a weld penetration can be remarkably increased, so that the mechanical property of the weld seam can be remarkably improved; and even if the melting speed of a welding wire is improved and the welding heat input is reduced, the side wall of the weld seam can still be fully fused with the welding pool to avoid interruption or mutation, even crack.

The invention discloses a bottle cap assembly separating materials and water. The bottle cap assembly is composed of a bottle cap and an opening, wherein the bottle cap and the opening are matched through meshed threads, and a cutting knife facing towards the bottle cap is arranged in the opening. The bottle cap assembly is characterized in that a material barrel is arranged in the bottle cap, and a gap capable of sufficiently containing the thickness of the opening is reserved between the material barrel and inner side threads of the bottle cap; a sealing film is arranged on the opening of the material barrel; a safety belt is arranged on the opening in the outer edge of the bottle cap, and a blocking edge for limiting the position of the safety belt is arranged on the outer side of the opening. The bottle cap assembly is provided with a beverage containing cavity, and is convenient in brewing operation and simple in structure. In addition, mixing is completed before bottle opening, and sanitation and health are achieved.

The invention discloses an adjusting method of a display picture, a display panel and a display device. The adjusting method comprises the following steps that a display mode switching instruction isreceived; a first brightness value of a first pixel in a display area in a current first mode is acquired, and a second brightness value of the first pixel in a second mode to be switched to is determined; the display area comprises a fingerprint identification area and a picture display area surrounding the fingerprint identification area, and the first pixel is positioned in the picture displayarea; according to the first brightness value and the second brightness value, a brightness compensation coefficient of the picture display area in the second mode is determined; and the display modeis switched, and in the second mode, the brightness compensation coefficient is used for displaying a picture after compensating the brightness of the display area of the picture. Before the display mode is switched, the brightness of the display picture is prevented from abrupt change by compensating the display picture of the second mode to be switched, and thus the viewing effect is ensured.

The invention discloses a tungsten carbide particle reinforced steel matrix surface-layer composite material and a preparation method thereof and belongs to the technical field of preparation of a wear-resistant material. The composite material is composed of three layers which are respectively a composite layer, a transition layer and a base material layer; the transition layer is positioned between the composite layer and the base material layer; the composite layer is mixed powder of tungsten carbide particles and 45 steel metal powder; the transition layer is mixed powder of tungsten powder and 45 steel metal powder; the base material layer is 45 steel metal powder; the preparation method of the tungsten carbide particle reinforced steel matrix surface-layer composite material comprises the following steps: firstly preparing powder, subsequently pressing a prefabricated blank and finally performing vacuum sintering to obtain the tungsten carbide particle reinforced steel matrix surface-layer composite material; according to the preparation method disclosed by the invention, the preparation temperature is relatively low; reinforcing particles are uniformly distributed in a base body commendably; the prepared tungsten carbide particle reinforced steel matrix surface-layer composite material is free of impurities, relatively high in performances, beneficial for environmental protection, capable of serving under complicated working conditions such as shock chilling, shock heating, impact and abrasion, and relatively good in impact resistance and oxidation resistance.

The invention relates to an adjusting method of a slab caster roll gap under the unsteady state pouring condition, and belongs to the technical field of the continuous casting production technology. Firstly, a safety roll gap, a static roll gap and the roll gap changing rate is set, and a target roll gap obtained before casting is a safety roll gap value; at the pouring and tail blank throwing stage, target roll gap values are set according to different blank throwing lengths and different tail blank lengths; when the difference between the set roll gap value and the target roll gap value exceeds + / -0.1 mm, the set roll gap value is changed to the target roll gap value with the roll gap changing rate; when the difference between the actual rolling reduction and the target rolling reduction exceeds + / -0.1 mm, the actual rolling reduction is changed to the target rolling reduction with the roll gap changing rate; and a PLC system executes the set roll gap value, and the difference between the actual roll gap value and the set roll gap value is within + / -0.1 mm through feedback adjustment of a displacement sensor. The durable and stable transition of the actual roll gap and equipment loads is guaranteed, degradation or waste caused by the poor center quality of a casting blank at the unsteady state stage is reduced, and blank lagging accidents are avoided.

The invention relates to a main transformer breathing moisture absorbing device with an intelligent switching function and a use method thereof. The device comprises a tee pipe, and a main pipe of the tee pipe is connected with a main transformer breathing pipe. A work electromagnetic valve is arranged on one branch pipe and connected with a work silicon gel tank, and a standby electromagnetic valve is arranged on the other branch pipe and connected with a standby silicon gel tank. Allochroic silicon gel is filled in the work silicon gel tank and the standby silicon gel tank. An automatic wavelength detector is arranged beside the work silicon gel tank, and an alarm is further arranged beside the work silicon gel tank. The work electromagnetic valve, the standby electromagnetic valve, the automatic wavelength detector and the alarm are all electrically connected with a control module. The device can switch to the standby silicon gel tank automatically according to change of allochroic silicon gel colors in the work silicon gel tank and alarm to remind working staff to replace the allochroic silicon gel timely. Main transformer breathing air flow sudden change is effectively prevented, a main transformer gas relay protection device is not required to be exited, moisture air is prevented from being inhaled, and safety operation of the main transformer is guaranteed.

The invention relates to a method and an apparatus for converting data into data DNA sequences with good biological implantability and restoring a DNA sequence library to original data, and further relates to a software product used for realizing the method and a computer readable storage medium storing the software product. The possibility of storing the data in a biological body by constructingthe DNA library is realized.

The invention designs a laser cladding AlCoCrFeNi / NbC gradient high-entropy alloy coating material which comprises a matrix and an AlCoCrFeNi / NbC gradient high-entropy alloy coating. The AlCoCrFeNi / NbC gradient high-entropy alloy coating contains an AlCoCrFeNi high-entropy alloy and NbC ceramic particles; the atomic ratio of each element in the high-entropy alloy is Al: Co: Cr: Fe: Ni = 1: 1: 1: 1: 1; the NbC content in the AlCoCrFeNi / NbC gradient high-entropy alloy coating varies in a continuous gradient way from inner layer to top layer; and the mass percentages of the components are respectively 0 to 5 percent by weight, 5 to 15 percent by weight and 15 to 25 percent by weight. According to the laser cladding AlCoCrFeNi / NbC gradient high-entropy alloy coating material provided by the invention, for the cladding coating prepared on the carbon steel matrix, the surface has high hardness and wear resistance, good metallurgical bonding is achieved between cladding layers and between thecladding layers and the matrix, the toughness of the bonding position is good, residual stress and crack driving force are small, the service life of manufactured parts can be prolonged, and the working condition range can be widened.

The invention relates to a biosynthesis method for improving yield of epothilone B. The biosynthesis method comprises the following steps of: selecting robust strains for producing the epothilone B by using a centrifugal process, inoculating the strains into a sterilized seed medium, performing shaking culture at 30DEG C on a shaker, and fermenting; adding a precursor inductor phenylalanine into a fermentation medium; harvesting a culture solution after culturing at 30DEG C for 10 to 11 days; and collecting, adsorbing and saturating by using macroporous resin, eluting by using ethyl acetate, separating and purifying, performing vacuum concentration, extracting, crystalizing at low temperature, and performing vacuum drying. The purity of the epothilone B can be effectively improved by a liquid preparation column, and is over 99.5 percent; and methanol is adopted for extraction and separation, so that the epothilone B is crystallized in the methanol, and the finished product reaches thepharmaceutical grade. By the method, the yield of the epothilone B is greatly improved and is 30-45 percent, and the method has a good industrial production prospect.

This invention provides methods for inducing an immune response against a Her-2 / neu antigen-expressing tumor and for treating the same and vaccinating against the same in human and canine subjects using a combination of radiation therapy and a recombinant attenuated Listeria strain vaccine.