268results about How to "Highly stable" patented technology

A method of manufacturing a light emitting device includes: mounting light emitting elements on a collective substrate; arranging a first protruding member surrounding the light emitting elements; arranging a second protruding member between the light emitting elements; forming a cover member covering an upper end of the second protruding member, a lateral surface of each of the light emitting elements in a region surrounded by the first protruding member; and singulating the light emitting devices by cutting the cover member, the second protruding member, and the collective substrate at a portion including the second protruding member. The second protruding member is harder than the cover member. An upper end of the second protruding member is located lower than that of the first protruding member but higher than the upper surface of each of the light emitting elements.

Lawn mower and method for controlling self-driving operations of the lawn mower wherein the lawn mower and method include a mower body, multiple wheels for supporting the mower body, and a drive motor for driving at least one wheel. Also disclosed is a controlling method for the mower including the following steps: an operator inputs predetermined parameters via am input device, a processor controls an execution circuit to control the drive motor to work according to the predetermined parameters, a sensor checks the actual operating parameters of the drive motor and feeds them back to the processor, the processor compares the actual operating parameters with the predetermined parameters to produce control signals, the execution circuit receives and processes the control signals, and regulates the actual operating parameters of the drive motor according to the predetermined parameters. The method enables the operation convenient and comfortable.

Provided are amphiphobic block copolymers, methods for preparing amphiphobic block copolymers, and applications thereof. Amphiphobic block copolymers can be used to prepare amphiphobic coatings on material surfaces, such as glass, printing paper or fabric. Amphiphobic block copolymers can also be used to coat particles, e.g., silica nanoparticles, which are then used to coat material surfaces. Such coated particles and uses thereof are also provided herein.

The invention provides a flat-pushing control method and device of an excavator and the excavator. The flat-pushing control method of the excavator comprises: controlling a bucket rod cylinder to push a bucket to operate according to control instructions of operators; acquiring gesture changing of a bucket rod in real time; and performing feedback control on oil-inlet amount of a movable arm cylinder according to the gesture changing of the bucket rod so as to enable a bucket to be at the preset height. In flat-pushing operation, the operators of the excavator give out cylinder extending orders to the bucket rod cylinder by controlling an operation device of the bucket rod and perform feedback control on the movable arm cylinder according to the bucket rod gesture measured in real time, so that the inclined angle formed by a movable arm and the horizontal plane and the inclined angle formed by the movable arm and the bucket rod change in matching mode, changing of the movable arm is used for coordinating changing of the bucket rod, the height of the bucket is ensured to be stable when flat-pushing of the bucket is ensured, accordingly fatigue degree of the operators is reduced, and partial excavating work can be finished automatically.

A composition for use in an organic device, useful in producing an organic device, such as an organic electroluminescent element, having high operation stability, is a composition for use in an organic device that contains at least two cross-linking compounds, at least two of the cross-linking compounds having different numbers of cross-linking groups. A polymer film produced by forming a film of the composition for use in an organic device and then polymerizing the cross-linking compounds. An organic electroluminescent element that includes an anode and a cathode on a substrate and at least one organic layer disposed between the anode and the cathode, wherein at least one of the at least one organic layer is a layer that is produced by forming a film of the composition for use in an organic device and then polymerizing the cross-linking compounds.

An improved hybrid connector for rapidly, reliably, and reversibly making mixed optical and electrical connections has a plug (103) with one or more centrally located fiber-containing optical ferrules (108) and one or more peripheral electrical contacts (109), and second, a socket (105) with interior electrical contacts (115) and a fiber-bearing central floating optical connector (225). Insertion and rotation of a shaft (107) of the plug into a bore (201) of the socket connects the respective electrical contacts of the shaft and socket, and nearly-simultaneously couples the respective optical fibers of the plug ferrule and socket connector, thus creating a rapid, reversible, and low-cost hybrid connection optimized for both the electrical and optical requirements of a mixed optical and electrical connection.

A metal particle dispersion liquid compries: a compound including a sulfur atom; metal particles whose diameter ranges from 1 to 100 nm and made of a material including a precious metal material; and a dispersion medium. The metal particles is covered by the compound.

The invention discloses a preparation method of a single crystal particle ternary positive electrode material for a lithium ion battery. The preparation method specifically comprises the steps of uniformly mixing a lithium source, a nickel cobalt manganese ternary precursor and a first solid additive; performing staged sintering which is divided into a plurality of heating stages and a cooling stage, wherein the sintering temperature in the heating stages is 400-1,000 DEG C, and the sintering temperature in the cooling stage is 600-800 DEG C, the first solid additive is an AB type substance, Ais a metal cation, and B is an anion containing carboxyl; and finally, obtaining the high-energy-density single crystal particle ternary positive electrode material which is relatively large in primary particle and excellent in electrochemical performance. The preparation method of the ternary positive electrode material provided by the invention is simple in process condition, easily available in raw materials, relatively high in practicability and suitable for mass production, and has a very high application prospect.

In a switching power supply and a control method for the same in accordance with the present invention, a first error amplifier generates a first error signal by comparing the output signals of a plurality of converters with a reference voltage, an arithmetic unit generates a single output signal by adding the currents output from the rectifying means of the plurality of converters, a second error amplifier generates a second error signal by comparing the single output signal with the output of the first error amplifier, and PWM signal generators generate PWM signals on the basis of the output signal of the second error amplifier to PWM control each of a plurality of switching devices.

Affords high-stability, high-safety lithium secondary batteries of high energy density and superlative charge/discharge cyclability, in which shorting due to the growth of dendrites from the metallic-lithium negative electrode is kept under control. A lithium secondary battery negative-electrode component material, formed by laminating onto a substrate a metallic lithium film and an inorganic solid-electrolyte film, the lithium secondary battery negative-electrode component material characterized in that the inorganic solid-electrolyte film incorporates lithium, phosphorous, sulfur, and oxygen, and is represented by the compositional formula noted below.

aLi·bP·cS·dO

(Li: lithium; P: phosphorous; S: sulfur; O: oxygen), wherein the ranges of the atomic fractions in the composition are:

0.20≦a≦0.45;

0.10≦b≦0.20;

0.35≦c≦0.60;

0.03≦d≦0.13;

(a+b+c+d=1).

An odor-emitting port is provided in a housing member composed mainly of an inorganic material. An odorous material is contained in the housing member, and the odor-emitting port is sealed with a low-melting metal to constitute a heat-sensitive odor-emitting component. In this heat-sensitive odor-emitting component, as soon as the temperature of a heat generation site has reached a predetermined value, the low-melting metal is instantaneously melted down to open the odor-emitting port through which the odorous material contained in the housing member is immediately spread around the odor-emitting component. Therefore, the odor-emitting component is highly sensitive to temperature. Further, since the housing member is formed of an inorganic material, the long-term stability can be improved.

The current invention is a non motorized cart for use on rugged terrain, operated by one or more persons, comprising a single wheel with a brake attached to the wheel housing of a rigid frame. The frame additionally comprises a posteriorly positioned primary steering and lifting handgrip, and an anteriorly positioned supplementary assistance lifting handgrip. The frame additionally provides multiple detachable connections for various interchangeable load bearing platforms, which can be easily interchanged in the field, without tools. The frame additionally provides an attachment point for supplemental sources of motive power. Additional features include an electronic odometer and a self contained electrical storage system.

A modular building system uses a perimeter bond beam and prefabricated wall panels to form an exterior curtain wall. The wall panels are captured within, and may move vertically inside a channel formed in the bond beam. The wall panels are quickly erected by inserting an upper edge of each panel into the channel and swinging the panel onto the foundation where it is claimed in place on the foundation.

The invention discloses a tank, a system and a method for manufacturing a three-dimensional body. The system comprises a laser, a supporting platform controller and the tank, wherein the tank comprises a cylinder for containing liquid resin materials, a resin supplement cylinder communicated with the cylinder body, and a light-transmitting plate; the light-transmitting plate is embedded at the top end of the cylinder body part; at least one air hole is formed in the part outside the light-transmitting plate region at the top end of the cylinder body; the cylinder body and the light-transmitting plate form a sealed space when the air hole is at a closed state. According to the invention, gas is led into the cylinder body containing the resin materials from the air hole in the top end of the cylinder, the liquid level of the resin materials is controlled to be at a set height, meanwhile gas is led into the resin supplement cylinder to ensure that the air pressure in the cylinder body and the air pressure the resin supplement cylinder are balanced, then the air hole in the top end of the cylinder body is closed, the air pressure in the resin supplement cylinder is adjusted to be supplemented to the cylinder body or the resin materials are removed during curing, and the height of the liquid level in the cylinder body is kept to be stable, so that the time required for flattening of the resin coated liquid level can be reduced, a film layer with uniform thickness can further be obtained, and the manufacture efficiency and accuracy of the three-dimensional body are improved.

Provided is a silver ink including, as a major component, a silver malonate precursor represented by Formula 1 or Formula 2.

The invention discloses a stratosphere airship and an inflating and deflating adjusting method thereof, and belongs to the field of aircraft environment. The stratosphere airship comprises an inflating adjusting system and a deflating adjusting system, wherein the inflating adjusting system consists of a high-pressure gas storage tank, an inflating valve, a main valve and an overpressure helium sac, and the deflating adjusting system consists of the overpressure helium sac, the main valve, a deflating valve, a helium compressor and the high-pressure gas storage tank. When the temperature of a main helium sac is increased, the deflating adjusting system is worked, the helium compressor compresses helium in the overpressure helium sac in the high-pressure gas storage tank for storage, so that the size of the airship is kept unchanged; and when the temperature of the main helium sac is reduced, the inflating adjusting system is worked, the high-pressure gas storage tank releases helium to the overpressure helium sac through the inflating valve and the main valve, and the pressure is kept balanced. According to the inflating and deflating adjusting method disclosed by the invention, the quality of the airship is kept balanced, so that the problem that when the airship is suspended, the height is unstable due to the quality changes caused by the inflating and the deflating of the air sac is solved.

Ternary rubber vanadium series catalysts are prepared by: taking the V2O5, NaVO3 ore as start materials, organic phosphorus monoacid as extracting reagent, fatty carboxylic acid being as aided extracting reagent, and saturated alkane as solvent. By cross current extracting method, stable saturated alkane vanadium (IV) or vanadium (V) compounds used as catalyst for EPDM production directly can be obtained. This invention has the features of preparation simple, condition moderation, low cost, large scale production, without toxic and harm chlorine, good for environment protection. The prepared catalyst saturated alkane solution is high homogeneous stability, and non-sensitive to water and air ,which overcomes shortages of present catalysts sensitive to water and air, meanwhile, reduces the storing and transporation cost. The catalysts prepared has higher catalyzed activity than catalyst VOCl3, and the obtained rubber having similar molecular chain structure, monomer unit sequence structure and third monomer contents.

The invention belongs to the technical field of preparation of compound semiconductor nanomaterials and particularly relates to a preparation method of a monodisperse PbS quantum dot. The method comprises steps as follows: S1, a halide of lead and oleylamine are mixed, heated to 80-190 DEG C and fully stirred to form a lead precursor, and then the lead precursor is cooled to 20-35 DEG C; S2, thioacetamide and oleylamine are fully stirred at 20-35 DEG C to form a sulfur precursor; S3, the lead precursor and the sulfur precursor are mixed in the molar ratio of Pb and S being (2-5):1, heated to 60-90 DEG C and subjected to heat preservation for a certain period; S4, the solution after heat preservation in S3 is cooled to 20-35 DEG C, and oleic acid is added to remove the residual lead precursor; S5, the PbS quantum dot is obtained after separation and purification. The prepared PbS quantum dot has the characteristics of high crystallinity, size uniformity, oleic acid and halogen mixed passivation, efficient luminescence, high stability and the like.