44results about How to "Improve thermal properties" patented technology

The invention discloses a knitting product, namely novel warm-keeping fabric. The novel warm-keeping fabric comprises warps and wefts, and the warps and the wefts are mutually interlaced in a manner of two yarns on the top and one yarn on the bottom, wherein a polyester fiber is adopted as the warps, a novel blended fiber is adopted as the wefts, and the novel blended fiber comprises a mohair fiber, a rabbit hair fiber and a kapok fiber. The novel warm-keeping fabric disclosed by the invention has excellent warm keeping property and also has the characteristics of softness, comfort, moisture absorption, ventilation, no mould, static resistance and the like.

The invention relates to a single-mode high-power vertical cavity surface emitting laser (VCSEL), which belongs to the field of semiconductor photoelectronics. The laser is characterized by comprising a P-type electrode (1), a P-type Si substrate (2), a metal bonding layer (3), a P-type distributed Bragg reflector (DBR) (4), an oxide limiting layer (5), an active area (6), an N-type DBR (7), a SiO2 mask (8), polymide or benzocyclobutene (BCB) (9), an N electrode (10), a photonic crystal (11) and a light-exiting window (12). The introduction of the photonic crystal into the vertical cavity surface emitting laser with the structure can enlarge an oxidation aperture and improve the single-mode output power; and at the same time, the transfer of the conventional VCSEL epitaxial wafer to the Si substrate by adopting bonding technology and the adoption of a design of exiting light at the bottom are convenient for narrowing the distance between a VCSEL epitaxial wafer active area and the Si substrate, improving the thermal characteristics of devices and further improving the single-mode output power.

The invention provides a low-smoke zero-halogen flame-retardant photovoltaic cable which comprises a conductive wire core, insulating layers, an insulation layer, and a sheathing layer, wherein the conductive wire core is formed by twisting a plurality of tinned copper monofilaments; the insulating layers made of low-smoke zero-halogen flame-retardant glass fabric are wrapped on the conductive wire core in an overlapped manner; the insulation layer is extruded outside the insulating layers; the sheathing layer is extruded outside the insulation layer. The invention further provides a manufacture method of the low-smoke zero-halogen flame-retardant photovoltaic cable. The low-smoke zero-halogen flame-retardant photovoltaic cable and the manufacture method thereof have the advantages of scientific design, environmental protection, zero contamination, and wind, rain, ultraviolet and ozone corrosion resistance, and can bear temperature variation in a larger range.

The invention discloses a large rib and cotton slipper molding treatment process, and belongs to the technical field of cotton slippers, wherein the raw materials comprise: 40-60 parts of a goose downfiller, 4-6 parts of a deodorant, 1-2 parts of an antioxidant, 1-3 parts of a flame retardant, 6-12 parts of bamboo charcoal fiber, 5-10 parts of calcium carbonate, 3-5 parts of amomum kravanh, 4-8 parts of agastache rugosus, 10-20 parts of honeysuckle, 8-14 parts of liquorice, 2-6 parts of clove, 5-7 parts of toner and 3-5 parts of a cross-linking agent. The process comprises the following steps: a, feeding; b, stirring; c, injecting into a mold; d, air blowing; and e, detection. According to the invention, the cotton slippers prepared by the invention have good antibacterial and deodorant properties, are not easy to age and have a warm-keeping property; bamboo charcoal fibers can adsorb indoor peculiar smell and generate negative ions, and the negative ions can effectively purify air and remove harmful toxins generated by microorganisms; goose down as a main raw material can improve, the warmth retention property of the cotton slippers and the use comfort of people; and the manufacturing process is simple, and materials are easy to obtain.

The invention belongs to the technical field of soil remediation, and specifically relates to a method for remediating lead-cadmium-contaminated soil. Aiming at the combined remediation of lead-cadmium contaminated soil, a combined remediation method of adsorption solidification and microbial remediation is adopted, which specifically includes the following steps: Sprinkle the soil with adsorbent and passivation agent, spray water at the same time, then deep plow 5-8cm, and place it for 10-15 days; sprinkle the compound bacterial preparation into the soil, shallow plow 3-5cm, then spray the film-forming liquid on the soil, set aside 10‑15 days; adopt the combined repair method of adsorption solidification and microbial repair, firstly absorb and solidify heavy metals through the action of adsorbents and passivators, and then use microorganisms to digest and transform the adsorbed and solidified heavy metals, Then reduce the content of heavy metals in the soil and prevent heavy metals from redissolving.

The invention relates to a silicon-based optical pulse modulator device and application. The silicon-based optical pulse modulator is characterized in that monocrystalline silicone is processed into a silicon wafer, 32S or 32S and 11B together are injected into the silicon wafer by an ion injection method, the silicon wafer is subjected to twin polishing, and a high-penetration medium film of 1.3-1.6 micrometers is plated or not on the surface of the silicon wafer. The silicon-based optical pulse modulator device is used for a laser, pump light passes a laser gain medium and then passes a silicon-based optical pulse component, and a front endoscope in front of the laser gain medium and a rear endoscope behind the silicon-based optical pulse component constitute a resonance cavity. The silicon-based optical pulse modulator device is used for adjusting loss of laser of 1.3-1.6 micrometers. The silicon-based optical pulse modulator device is simple to manufacture and low in cost, miniaturization of products and industrialized production are facilitated.

The invention discloses a fuel pump having an outlet valve in the piston and a fuel path flowing around the actuator. The fuel pump for delivering fuel, comprises a casing (10), a cylinder (4), a piston (5) which is arranged in the cylinder (4), a heat-producing actuator (6) for actuating the piston (5), and a return element (7) for returning the piston (5) to a starting position, a first gap (8), which is formed at the heat-producing actuator (6), in particular between the cylinder (4) and the heat-producing actuator (6), wherein a first fuel path (80) passes through the first gap (8), an inlet valve (2), an outlet valve (3), wherein the outlet valve (3) is arranged in the piston (5) and the piston (5) has a passage (16), via which a fuel can flow from the outlet valve (3) in the direction of the first gap (8).