摘要:
A system and process for melamine production by gas-phase quenching method and its process are provided. The said system includes a urea scrubber, after which a fluidized bed reactor, a hot-air cooler, a hot-air filter, a crystallizer and a melamine collector are installed in series successively, where the said melamine collector is connected to the said urea scrubber and the said fluidized bed reactor is connected to a carrier gas pre-heater which is connected to a carrier gas compressor; the said system further includes a gas-liquid separator which is connected to the said urea scrubber which is connected to a crystallizer; wherein a cool air blower is provided between the said gas-liquid separator and the crystallizer. The production system of the invention has the advantages of high productivity, stable operation, low energy consumption, low investment and high economic value of tail gas.
摘要:
Polymer spheres are fabricated. Dispersing polymerization and a two-stage swelling procedure are processed. The polymer spheres fabricated have uniform granular sizes and are highly cross-linking. Thus, the polymer spheres are heat-resistant and solvent-resistant.
摘要:
The present invention provides methods and apparatus for a pre-CMP semiconductor substrate buffing module. The invention includes a polishing pad assembly adapted to be rotated against a major surface of a substrate; a chuck adapted to hold the substrate and to rotate the substrate against the polishing pad assembly as the polishing pad assembly is rotated; and a lateral motion motor adapted to oscillate the polishing pad assembly laterally across the major surface of the substrate while the polishing pad assembly is rotated against the rotating substrate. Numerous additional features are disclosed.
摘要:
The present invention is directed to an electrophoretic display comprising: (a) microcups comprising partition walls and top-openings; (b) an organic-based electrophoretic fluid filled in the microcups, wherein said fluid comprises charged pigment particles dispersed in a solvent; and (c) a top-sealing layer formed from a sealing composition to enclose the electrophoretic fluid within the microcups. The sealing composition comprises: (i) a water soluble polymer, (ii) a water-based suspension, a water-based dispersion, a water-based emulsion, or a water-based latex, each comprising a polymer; and (iii) water.
摘要:
According to an embodiment, an electro-optic polymer comprises a host polymer and a guest nonlinear optical chromophore having the structure D-π-A, wherein: D is a donor, π is a π-bridge, and A is an acceptor; a bulky substituent group is covalently attached to at least one of D, π, or A; and the bulky substituent group has at least one non-covalent interaction with part of the host polymer that impedes chromophore depoling.
摘要:
This invention relates to the field of nursing machines and discloses an intelligent nursing machine including a feces collector, a connection pipe connected with the feces collector, and a sewage collector connected with the connection pipe. The feces collector includes a wearing portion and a silica gel leather cover disposed at the wearing portion. The silica gel leather cover includes at least two corrugated layers and a skin contact layer disposed at outer sides of the corrugated layers. The two adjacent corrugated layers are mutually overlaid. A feces collecting opening of the nursing machine can tightly contact the private part of the human body and does not leak the patient's feces from the lateral or rear side, greatly reducing cleaning burden on the medical personnel. The operation is very simple and convenient, suitable for the old people and patients in the hospital. The intelligent nursing machine has high economically practicality.
摘要:
A low index of refraction hybrid optical cladding may be formed from a fluorinated sol-gel. An electro-optic device may include a poled organic chromophore-loaded modulation layer (electro-optic polymer) and at least one adjacent fluorinated hybrid sol-gel cladding layer.
摘要:
A method of forming articles having closed microchannels includes the steps of providing a substrate including a composite material, the composite having metal nanoparticles dispersed in a polymer matrix. The substrate is irradiated with a laser beam at an intensity and time sufficient to selectively remove the polymer below a surface of said substrate to form at least one microchannel, wherein the intensity and time is low enough to avoid removing the polymer above the microchannel, wherein an article having at least one closed microchannel is formed. A metal nanoparticle/polymer composite composition can have functionality that can undergo addition reactions to seal or join pieces of polymers or composites upon irradiation of the composition placed on one or more pieces.
摘要:
The present invention is directed to an electrophoretic display comprising: (a) microcups comprising partition walls and top-openings; (b) an organic-based electrophoretic fluid filled in the microcups, wherein said fluid comprises charged pigment particles dispersed in a solvent; and (c) a top-sealing layer formed from a sealing composition to enclose the electrophoretic fluid within the microcups. The sealing composition comprises: (i) a water soluble polymer, (ii) a water-based suspension, a water-based dispersion, a water-based emulsion, or a water-based latex, each comprising a polymer; and (iii) water.
摘要:
A field effect transistor (FET) includes a trench extending into a semiconductor region. A conductive electrode is disposed in the trench, and the conductive electrode is insulated from the semiconductor region by a dielectric layer. The conductive electrode includes a conductive liner lining the dielectric layer along opposite sidewalls of the trench. The conductive liner has tapered edges such that a thickness of the conductive liner gradually increases from a top surface of the conductive electrode to a point in lower half of the conductive electrode. The conductive electrode further includes a conductive fill material sandwiched by the conductive liner. The FET further includes a drift region of a first conductivity type in the semiconductor region, and a body region of a second conductivity type extending over the drift region. Source regions of the first conductivity type extend in the body region adjacent the trench.