117 results about "Environmental degradation" patented technology

The present invention is a hermetic receiver package for improving reliability of optical components within a solar concentrator system. The hermetic receiver package includes a non-imaging concentrator and a solar cell sealed within a shell structure to provide protection from environmental degradation. The non-imaging concentrator and solar cell are guarded from degradation caused by the outside environment as well as by sources within the solar concentrator system. Features are incorporated into the non-imaging concentrator and shell which allow the hermetic receiver package to be manufactured in a cost-effective manner.

An environmental degradation sensor for environmentally sensitive products such as food, pharmaceuticals or cosmetic products provides the degraded state and estimated remaining life of the product. The sensor is made of a polymeric matrix and conductive filler. A control agent, selected to adjust a reaction rate of the sensor to environmental conditions, allows correlation of an electrical property of the sensor to a degraded state of the product. The sensor may be integrated with a passive RFID to provide product identification and degradation status wirelessly via reader. The sensor improves product safety, reduces cost of premature product disposal and, combined with RFIDs, improves the security of products through combined product degradation monitoring and tracking.

Several matching exterior lighting systems for use on property having electrical service wiring. Lighting fixtures are made of pipe or wood, preferably PVC pipe or redwood. Several embodiments can be installed directly in the ground, while other embodiments can be installed on the vertical exterior surface of a building, or on the top of a wall. In all embodiments, the lamp and electrical connections are housed within the same enclosure, and no separate electrical box is needed. The embodiments made of pipe are coated with stucco, brick, stone, tile, wood, aluminum sheet, or copper sheet, to protect the pipe from environmental degradation. The preferred coating is stucco, and the invention includes a new method of applying stucco to a circular cylinder and manufacturing an article. All embodiments have elongated rectangular windows parallel both to the florescent light bulb, and to the axis of the cylinder, with translucent lenses to allow light to escape. The circular embodiments each have a single lens that covers all of the windows. In several embodiments, the florescent light and light bulbs can be accessed by removing the top of the light and lifting out the lamp which is hung from the top.

A method of using metallized and nonmetallized nanoscopic silicon containing agents for physical property control, radiation absorption, and in situ formation of nanoscopic glass layers on material surfaces. Because of their tailorable compatibility with polymers, metals, composites, ceramics, glasses and biological materials, nanoscopic silicon containing agents can be readily and selectively incorporated into materials at the nanometer level by direct mixing processes. Properties improved include gas and liquid barrier, stain resistance, resistance to environmental degradation, radiation absorption, adhesion, printability, time dependent mechanical and thermal properties such as heat distortion, creep, compression set, shrinkage, modulus, hardness and abrasion resistance, electrical and thermal conductivity, and fire resistance. The materials are useful in a number of applications, including beverage and food packaging, space-survivable materials, microelectronic packaging, and radiation absorptive paints and coatings.

Inserts and/or calibrator blocks formed of aluminum-bronze alloys resistant to environmental degradation, temperature calibration devices employing such inserts and calibrator blocks, and methods of using such devices and structures are disclosed. An insert and/or calibrator block for use with a temperature calibration device may be formed of an aluminum-bronze alloy having a composition selected to reduce environmental degradation thereof during use.

An environmental degradation sensor for environmentally sensitive products such as food, pharmaceuticals or cosmetic products provides the degraded state and estimated remaining life of the product. The sensor is made of a polymeric matrix and conductive filler. A control agent, selected to adjust a reaction rate of the sensor to environmental conditions, allows correlation of an electrical property of the sensor to a degraded state of the product. The sensor may be integrated with a passive RFID to provide product identification and degradation status wirelessly via reader. The sensor improves product safety, reduces cost of premature product disposal and, combined with RFIDs, improves the security of products through combined product degradation monitoring and tracking.

The invention belongs to the technical field of hydrological water resources, and discloses a water resource simulation method based on SWMM and MODFLOW coupling, which comprises the following steps:collecting research area space geographic data, meteorological data, rainfall-related hydrological data and hydrogeological basic data; constructing an SWMM and MODFLOW coupling model suitable for theresearch area in combination with the collected data; constructing different rainfall scenarios, and analyzing the dynamic change of the surface water under the different rainfall scenarios in combination with the SWMM model; different rainfall supply scenes are constructed in combination with an SWMM model simulation result, and underground water dynamic changes under the situation that different rainfall is not given are analyzed in combination with an MODFLOW model. According to the coupled water resource simulation method provided by the invention, the problems of local waterlogging, serious river water quality pollution, water body ecological environment deterioration and other urban rainwater in a traditional water treatment mode of a quick drainage mode in an extreme weather in a region with higher urbanization are effectively avoided, and the drainage intensity of a city is improved.

The present invention is directed to a composition adapted to be applied to coat a surface area of a vegetable in order to retard environmental degradation thereof. The composition comprises a film-former, a fungicide and a thickener distributed in a carrier liquid. The fungicide may be present in less than one percent (1%) by weight. The composition may include a pH buffer operative to maintain the pH of the mixture between 8.5-10.5. The film-former is operative to coalesce to form a film covering the surface area of the vegetable which is operative to retard dehydration thereof. The fungicide is entrapped throughout the film and is operative to inhibit mildew and fungus growth thereon. The present invention also provides a method of formulating a composition according to the present invention, as well as a method of protecting a decorative vegetable material using a composition according to the present invention.

A structural component suitable for use as refinery and/or petrochemical process equipment and piping is provided. The structural component has improved corrosion, abrasion, environmental degradation resistance, and fire resistant properties with a substrate coated with a surface-treated amorphous metal layer. The surface of the structural component is surface treated with an energy source to cause a diffusion of at least a portion of the amorphous metal layer and at least a portion of the substrate, forming a diffusion layer disposed on a substrate. The diffusion layer has a negative hardness profile with the hardness increasing from the diffusion surface in contact with the substrate to the surface away from the substrate.

The invention discloses a method for metering carbon emission of roads in the whole life cycle. The carbon emission of the roads in the whole life cycle relates to carbon emission directly related to construction and use of road engineering in the whole life cycle in the carbon emission caused by social activities, and the whole life cycle includes the early building stage, the construction stage, the operation stage, the maintenance stage and the dismantling stage. The results of multiple embodiments of the method indicate that carbon emission of the roads is effectively evaluated, and the method for building of load-carbon model roads provides reference for further construction of low-carbon roads. In view of realizing low-carbon emission, a basis system of carbon metering and evaluating for the roads is established, research and construction progress of the low-carbon roads is boosted greatly, deterioration of the environment due to carbon emission of the social activities is alleviated, and the method has great contribution for realizing low-carbon emission and emission reduction.

The invention discloses a degradable light-cured coating material and application of the same in a coated sustained/controlled-release fertilizer. The coating material comprises, by weight, 50 to 90% of a modified vegetable oil prepolymer, 5 to 45% of an active diluent and 1 to 5% of a photoinitiator. A preparation method for the coated sustained/controlled-release fertilizer from the degradable light-cured coating material comprises the following steps: uniformly spraying the degradable light-cured coating material on the surface of a granulated fertilizer; and carrying out ultraviolet light radiation curing so as to obtain the coated sustained/controlled-release fertilizer. The degradable light-cured coating material provided by the invention uses wide-source, low-price and regenerable vegetable oil and degradable acrylate as main raw materials and employs no organic solvent, so cost for the raw materials is low, dependence on petroleum resources is mitigated, and the coating material has the advantages of environmental degradation capability, no pollution to soil and water sources and environment friendliness. The sustained/controlled-release fertilizer prepared in the invention has the advantages of small usage amount of the coating material, short curing time of a coating, almost no need for heat energy, preparation through a disc and a common rotary drum, no need for extra investment, simple process, convenient operation and capacity of realizing continuous production.

The invention relates to a preparation method of a fully-degradable polymer wood plastic composite, which comprises the following steps: evenly mixing 30-90 weight parts of starch, 5-50 weight parts of vegetable fiber, 0.5-40 weight parts of plasticizer, 0.5-10 weight parts of cross-linking agent, 0.5-10 weight parts of intensifier and 0.5-2 weight parts of brightener by a double screw extruder on a homo-mixer; carrying out reaction and blending; then extruding the mixed material into grains in the double screw extruder, wherein the temperature of a screw rod is 70-250 DEG C, and the dwell time of the material in the screw rod is 0.5-30 minutes; and drying in a vacuum drying oven to obtain the biodegradable wood plastic composite with good performance and bright surface. The invention has simple method, and the obtained composite has the advantages of good overall performance, environmental degradation, obvious social benefit and the like, and can be used as packaging material, material of products of everyday consumption, finishing material and the like.

A flux formulation without a surfactant is available for use in the assembly of electronic circuit boards as a no-clean formulation. The formulation includes a flux solution having a fluxing agent consisting essentially of one or more weak organic acids and a solvent consisting essentially of water. The flux solution serves to transport the fluxing agent before deposition thereof upon a soldering site for reliability improvement engendered by a lack of hygroscopic residue and for avoidance of environmental degradation engendered by a lack of volatile organic chemicals (VOC's). The method includes the steps of heating the flux solution and dispersing it as a fine spray.

An environmental degradation sensor for rubber products comprises a conductive composite having a matrix of at least one polymeric component of the rubber product, a conductive filler, and a degradation control agent. The sensor is attached to the rubber product and communicates with a reader through electrical contact or by use of a radio frequency identification device.

The invention discloses azoxystrobin suspension concentrate with particle sizes of less than 100nm and a preparation method of the azoxystrobin suspension concentrate and belongs to the technical field of production of nano-pesticides. The method comprises the steps of dissolving azoxystrobin into a water-soluble organic solvent as an organic phase, adopting water as a water phase and adding a surfactant to at least one phase of water phase or organic phase; and mixing the water phase with turbulent flow of the organic phase through a fast jet hedging blending method, carrying out collection by using water or surfactant-containing water to prepare the azoxystrobin suspension concentrate. The suspension concentrate prepared by adopting the method is stable in particle size and narrow in dispersion, is smaller than 100nm, is conducive to drug adsorption on the blade surface and is capable of withstanding blowing and rain washing, osmosis and conduction to a blade can be strengthened, and the azoxystrobin suspension concentrate has the characteristics of being friendly to environment, prone to environmental degradation and high in medicinal effect.

The present invention involves bilayers that include an interlayer that incorporates at least one polymer sheet having a reduced plasticizer content relative to interlayers that are typically used in multiple layer glazing panels, and, specifically, safety glass. Bilayers of the present invention resist environmental degradation along exposed edges, and are particularly resistant to haze formation along those edges.

The invention discloses an automatic monitoring system for a sea cucumber aquaculture farm and an implementation method of same. The monitoring system comprises temperature sensors,, dissolved oxygen sensors, salinity sensors, a signal conditioning unit, a signal inspection unit, an SoC microcontroller, an RS232 serial port, a data transmission unit (DTU), a relay, an aerator, fresh water drainage equipment, water temperature reducing equipment and a power supply module, wherein the temperature sensors, the dissolved oxygen sensors and the salinity sensors are distributed at multiple detection points. The monitoring system has a simple structure and a high measurement accuracy, can measure multiple parameters of a water sample, responds rapidly, works without needing manual supervision to save the labor cost, omits wire layout to save raw materials, and can prevent serious loss resulting from deaths of many sea cucumbers due to deterioration of sea cucumber growth environments.

The present invention includes polymer films that comprise lanthanum hexaboride and an epoxy agent. The lanthanum hexaboride and epoxy agent can be incorporated into or onto a polymer film in any suitable manner. The addition of an epoxy agent surprisingly provides a stabilization effect to the lanthanum hexaboride, which allows for the production of polymer films that advantageously absorb infrared radiation and resist environmental degradation. Polymer films thus produced have a significant number of applications, for example, but not limited to, display devices, protective coverings, and glazing film applications.

The invention relates to magnets, particularly bonded magnets, of the Re-Fe-B type made from atomized magnetic powders and to methods of producing the powders and the magnet. The magnetic powders comprise, by weight, about 15 % to 25 % of RE; about 0.8 % to 2.0 % of B; about 1 % to 10 % of T; and balanced with Fe, Co, or mixtures thereof; wherein RE is one or more rare earth elements selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Er, Gd, Tb, Dy, Ho, Tm, Yb and Lu, and T is one or more elements selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo and W. To produce bonded magnets, the atomized powders are heat treated, combined with a binder, pressed or molded, and cured to produce the bonded magnets. As compared to bonded magnets made from melt-spun powders or from other conventional atomized powders, bonded magnets of the present invention exhibit one or more of the following properties: less loss of intrinsic coercivity under repeated injection molding cycles; less internal magnetic shearing loss; improved flowability of the magnetic powders; improved Br and part integrity; less environmental degradation after exposure to high temperature and less flux loss; complex shapes and high part integrity; lower viscosity of the magnetic powder-binder mixtures; and high magnetic strength even for small-dimension magnets.

The present invention teaches a chemiluminescent device along with a process for its production. The invention specifically relates to a chemiluminescent article of manufacture which includes a containment device and chemical system, both of which may be selected so as to be particularly susceptible to environmental degradation subsequent to their use. In a preferred embodiment the chemiluminescent device is categorized as being biodegradable, i.e. designed to be capable of losing its physical form and re-entering the environment.

The invention belongs to the field of organic compound fertilizers and relates to a production method of a natural pumice loss-controlling organic compound fertilizer. The fertilizer in the prior art has serious loss, causes the environmental degradation and brings great harm to human beings. The production method has the following steps: taking raw material fertilizers of nitrogen, phosphorus and potassium, mixing with natural pumice powder which is smashed into 120 meshes and an organic fertilizer, uniformly stirring, preparing into mixed raw materials, then granulating, drying, screening, weighing and packaging. The weight of natural pumice in the fertilizer accounts for 10-30% of the total weight of the fertilizer; and the content of organic matters is 10-20%. The content of the nitrogen, the phosphorus and the potassium in the fertilizer is 20-40%. The production method has the advantages of simple production process and convenient use, and can control the nutrient loss, protect the ecological environment, reduce the fertilizer application cost, improve the utilization rate of the fertilizer, improve the physical and chemical properties of the soil and promote the stable and high yield of crops.