Abstract: Provided is an iron sofa frame structure provided with a base, two supporting plates oppositely disposed, configured to support a soft package and be connected with a sofa fabric and two driving link sets respectively configured to connect the two supporting plates to the base, wherein a front rod and a rear rod are correspondingly disposed at intervals between the two supporting plates, and several elastic bearing pieces for bearing the soft package are disposed between the front rod and the rear rod. The supporting assembly is directly combined to the iron sofa frame structure, so that a structure in which an additional seat-wrapped frame is introduced to support the soft package is rejected, an existing iron sofa frame structure and a production process of an iron sofa frame are simplified, the assembling and production efficiencies are increased, materials are saved, and the cost is reduced.

Abstract: Disclosed is a detection method for quality grade of traditional Chinese medicine (TCM), including: detecting the levels of quality control index components of TCM and efficacy-related in vitro activity by establishing a correlation between principal components of TCM and in vitro activity; determining the state of sample cluster by principal component analysis; constructing a logistic regression model of quality grade versus index components and bioactivity and establishing corresponding grade detection formulas of Chinese medicinal materials by fitting a large number of sample data for Chinese medicinal materials from different places of origin and batches. The method of the present invention realizes the mathematical expression of a standard for quality difference of TCM, and provides a feasible solution for the industrialized evaluation of quality grades of Chinese medicinal materials or herbal slices finally.

Abstract: A daisy-chain battery cells system having a plurality of differential communication interfaces {F(i), i=1, . . . , N} respectively coupled to a plurality of voltage measuring modules {S(i), i=1, . . . , N} for a plurality of battery cells {C(i), i=1, . . . , N}. For each i=1, . . . , N?1, a first high side differential pin pair (CLU(i)+, CLU(i)?) of the ith differential communication interface F(i) is coupled to a first low side differential pin pair (CLL(i+1)+, CLL(i+1)?) of the (i+1)th differential communication interface F(i+1), and a second high side differential pin pair (DAU(i)+, DAU(i)?) of the ith differential communication interface F(i) is coupled to a second low side differential pin pair (DAL(i+1)+, DAL(i+1)?) of the (i+1)th differential communication interface F(i+1). A low side interface FL(1) of the first differential communication interface F(1) is coupled to a controller. A high side interface FU(N) of the Nth differential communication interface F(N) may receive a preset data/signal.

Abstract: The present invention discloses a quick mounting holder structure for sinking mechanical extension device of functional sofa, which includes a mounting support, a stretchable component, a backrest component, and a main body. The mounting support, the stretchable component, the backrest component are rotatably installed in the main body. The mounting support includes a crossbeam and at least one mounting piece. The crossbeam includes a side panel. At least one mounting piece is fixed on the side panel and is perpendicular to the side panel. The mounting support and wooden frame are fixed by an electric drill using a screw through the mounting hole. The operation is simple and quick. Further, at least one mounting piece is fixed on the side panel, lowering the mounting height, so that the height of the whole sofa and rocking chair is lowered. Thus, the comfortableness of the user is improved.

Abstract: An electrical mechanical stretching device of a movable sofa includes a mechanical stretching device and an electrical device, wherein the mechanical stretching device includes a third leg rod and a third connecting rod. The electrical device consists of a motor sliding block connecting pipe, a motor, a motor leg fixing pipe, a motor guide rail and a motor sliding block. The motor is provided with the motor guide rail. The motor sliding block is mounted on the motor guide rail. A motor end is rotatably connected via a second rotating shaft to the motor leg fixing pipe which is fixed on the third leg rod. The motor sliding block is rotatably connected via a first rotating shaft to the motor sliding block connecting pipe which is fixed on the third connecting rod. A base of the mechanical stretching device is connected by two bottom connecting pipes.

Abstract: A permanent magnet material and a method thereof. The permanent magnet material comprises one or more rare earth elements and one or more transition metal elements, wherein the atomic percentage of the one or more rare earth elements is less than or equal to 13%, and the permanent magnet material has a maximum magnetic energy product of greater than or equal to 18 MGOe.

Abstract: A power conversion system is disclosed, which comprises at least one conversion unit comprising a converter unit and a first power interface boards; at least one measurement unit comprising a measurement board and a second power interface boards; and a controller comprising a processing unit, and a third power interface board communicated with the processing unit, and the first power interface board and the second power interface board, wherein at least some of the communications between the third power interface board and the first and second power interface boards have independent bandwidths.

Abstract: The present invention discloses a quick mounting holder structure for sinking mechanical extension device of functional sofa, which includes a mounting support, a stretchable component, a backrest component, and a main body. The mounting support, the stretchable component, the backrest component are rotatably installed in the main body. The mounting support includes a crossbeam and at least one mounting piece. The crossbeam includes a side panel. At least one mounting piece is fixed on the side panel and is perpendicular to the side panel. The mounting support and wooden frame are fixed by an electric drill using a screw through the mounting hole. The operation is simple and quick. Further, at least one mounting piece is fixed on the side panel, lowering the mounting height, so that the height of the whole sofa and rocking chair is lowered. Thus, the comfortableness of the user is improved.

Abstract: A sofa waist propping device includes a frame and a waist adjusting mechanism, the frame being fixed on a sofa or a seat, the waist adjusting mechanism comprising a backrest and a first driving member rotatably connected to the frame respectively, the first driving member being rotatably connected to the backrest and driving the backrest to rotate around the frame. Since the first driving member is rotatably connected to the backrest and drives the backrest to rotate around a fixing member, the position of the backrest is adjusted, with a structure simple and stable and comfortableness increased.

Abstract: The present invention discloses a sofa pillow driving device, which comprises a side plate mounting member, a headrest mounting member, and a driving device, the sofa pillow driving device further comprises a rotation limit member and an elastic member, the rotation limit member being rotatably connected to the side plate mounting member, the headrest mounting member being rotatably connected to the rotation limit member, one end of the elastic member being connected to the headrest mounting member and the other end being connected to the rotation limit member, one end of the driving device being rotatably connected to the rotation limit member and the other end being rotatably connected to a backrest wood frame, the driving device drives the headrest mounting member to rotate by the rotation limit member.

Abstract: A permanent magnet material and a method thereof. The permanent magnet material comprises one or more rare earth elements and one or more transition metal elements, wherein the atomic percentage of the one or more rare earth elements is less than or equal to 13%, and the permanent magnet material has a maximum magnetic energy product of greater than or equal to 18 MGOe.

Abstract: The present invention discloses a sofa waist proping device comprising a frame and a waist adjusting mechanism, the frame being fixed on a sofa or a seat, the waist adjusting mechanism comprising a backrest and a first driving member rotatably connected to the frame respectively, the first driving member being rotatably connected to the backrest and driving the backrest to rotate around the frame oppositely. Since the first driving member is rotatably connected to the backrest and drives the backrest to rotate around a fixing member, the position of the backrest is adjusted, with a structure simple and stable and comfortableness increased.

Abstract: The present invention discloses a sofa pillow driving device, which comprises a side plate mounting member, a headrest mounting member, and a driving device, the sofa pillow driving device further comprises a rotation limit member and an elastic member, the rotation limit member being rotatably connected to the side plate mounting member, the headrest mounting member being rotatably connected to the rotation limit member, one end of the elastic member being connected to the headrest mounting member and the other end being connected to the rotation limit member, one end of the driving device being rotatably connected to the rotation limit member and the other end being rotatably connected to a backrest wood frame, the driving device drives the headrest mounting member to rotate by the rotation limit member.

Abstract: A fluidized bed reactor is provided, comprising an inlet zone at a lower position, an outlet zone at an upper position, and a reaction zone between the inlet zone and the outlet zone. A guide plate with through holes is disposed in the reaction zone, comprising a dense channel region in an intermediate region thereof and a sparse channel region disposed on a periphery thereof and encompassing the dense channel region. Catalysts in said fluidized bed reactor can be homogeneously distributed in the reaction zone thereof, whereby the reaction efficiency can be improved. A reaction regeneration apparatus comprising said fluidized bed reactor, and a process for preparing olefins from oxygenates and a process for preparing aromatic hydrocarbons from oxygenates using the reaction regeneration apparatus.

Abstract: Device for use in a fluidized bed reactor includes a gas-solid separator communicated with an outlet of the fluidized bed reactor; a vertically arranged damper, a solid outlet of the gas-solid separator communicated with a lower region of the damper, a gas outlet of the gas-solid separator communicated with an upper region of the damper; a fine gas-solid separator, an inlet of the fine gas-solid separator communicated with the upper region of the damper, and a solid outlet of the fine gas-solid separator communicated with the lower region of the damper. Product from the fluidized bed reactor is fed into the preliminary gas-solid separator, most solid catalysts separated and fed into the lower region; the product entraining the rest catalysts is fed into the upper region, and into the fine gas-solid separator, the rest catalysts fed into the lower region; and final product is obtained from the fine gas-solid separator.

Abstract: Disclosed is an electrical mechanical stretching device of a movable sofa, comprising a mechanical stretching device and an electrical device, wherein the mechanical stretching device comprises a third leg rod and a third connecting rod. The electrical device consists of a motor sliding block connecting pipe, a motor, a motor leg fixing pipe, a motor guide rail and a motor sliding block. The motor is provided with the motor guide rail. The motor sliding block is mounted on the motor guide rail. A motor head is rotatably connected via a second rotating shaft to the motor leg fixing pipe which is fixed on the third leg rod. The motor sliding block is rotatably connected via a first rotating shaft to the motor sliding block connecting pipe which is fixed on the third connecting rod. A base of the mechanical stretching device is connected by two bottom connecting pipes.

Abstract: Disclosed is a method for producing a high-purity nanometer zinc oxide from steel plant smoke and dust by ammonia decarburization. The method comprises: leaching with an ammonia water-ammonium carbonate solution as a leaching agent, adding 0.3-0.5 kg of sodium fluorosilicate to per cubic meter of the leaching agent to obtain a leaching solution, then adding 50-60 kg slaked lime to per cubic meter of the leached solution to carry out decarburization with heating, and carrying out purification and impurity removal and then refining treatment. According to the method, the ammonia process is used for treating smoke and dust, and the existing ammonia process is adaptively improved, the leaching speed and the leaching rate of zinc in the smoke and dust are improved, and the zinc oxide with the purity of more than 99.

Abstract: Disclosed is a method for producing a nanometer zinc oxide from low-grade zinc oxide ore by ammonia decarburization. The method comprises: taking ammonia water-ammonium bicarbonate solution as a leaching agent; adding 0.3-0.5 kg sodium fluorosilicate to per cubic meter of the leaching agent; leaching low-grade zinc oxide ore with the leaching agent; and adding 50-60 kg slaked lime to per cubic meter of leached solution to carry out decarburization treatment. The obtained nanometer zinc oxide powder has purity of 99.7% or up, uniform particle size distribution (average particle size of 10-28 nm), specific surface area of 107 m2/g or up, good fluidity and good dispersity. The treatment method of the present invention is low in energy consumption and high in efficiency, and the leaching agent can be recycled.

Abstract: A process for converting a reactant composition comprising H2 and CO to a product comprising at least one aliphatic hydrocarbon having at least about 5 carbon atoms comprises: flowing the reactant composition through a microchannel reactor in contact with a Fischer-Tropsch catalyst to convert the reactant composition to the product, the microchannel reactor comprising a plurality of process microchannels containing the catalyst; transferring heat from the process microchannels to a heat exchanger; and removing the product from the microchannel reactor; the process producing at least about 0.5 gram of aliphatic hydrocarbon having at least about 5 carbon atoms per gram of catalyst per hour; the selectivity to methane in the product being less than about 25%. A supported catalyst comprises Co, and a microchannel reactor comprises at least one process microchannel and at least one adjacent heat exchange zone.