Abstract: Disclosed herein are integrated preparation and detection devices for studying biomass-burning aerosols, where the devices include a micro-fluidized bed reactor (MFBR), a transmission line, and an on-line detection unit that are connected in sequence. The MFBR may include a pyrolysis reactor and a pyrolysis furnace; the pyrolysis reactor may include a thermocouple, an introduction tube, and quartz sands; the on-line detection unit may be an on-line photoionization mass spectrometer; and the photoionization mass spectrometer may include a laser desorption system, a laser ionizer and a light energy ionizer. Devices of the present disclosure are beneficial to retain the original state of aerosol particles, and the fixed MFBR can realize rapid pyrolysis of a biomass due to its high and stable heat conduction efficiency, which is beneficial to studying the formation mechanism of aerosol particles.

Abstract: A method for state estimation of a distribution network comprises: (a) obtaining measurements from phasor measurement units (PMUs) placed at buses in the distribution network; (b) constructing a quotient gradient system (QGS) based on a constraint set H that relates the measurements to state variables of the distribution network; (c) integrating the QGS to reach a steady state; (d) identifying one or more of the state variables whose measurement residuals violate a measurement residual constraint in the constraint set H; (e) integrating a reconstructed QGS, which is reconstructed based on the constraint set H by setting the identified one or more state variables to values of corresponding PMU measurements; (f) iterating steps of (d) and (e) until no measurement residuals violate the measurement residual constraint, to thereby obtain the state estimation; and (g) reporting the state estimation to a control system during real-time monitoring of the distribution network.

Abstract: An Aureobasidium pullulans recombinant strain with high-yield heavy oil and a construction method and application thereof are provided. The Aureobasidium pullulans recombinant strain is obtained by knocking out a pullulan synthetase PUL gene while overexpressing an ACL gene. The obtained Aureobasidium pullulans recombinant strain can significantly increase the yield of heavy oil. After 7-day fermentation with xylose as carbon source, the yield of the heavy oil of the recombinant strain reaches 19.4372 g/L, while the yield of the heavy oil of the original strain is 10.0325 g/L, i.e. the recombinant strain improves the yield by 93.74% compared with the original strain.

Abstract: The invention discloses a method for catalytically hydrogenating oxalates. In the method, an oxalate and hydrogen gas are contacted with a nanotube assembled hollow sphere catalyst, to produce a product comprising glycolate or glycol. The predominant chemical components of the catalyst include copper and silica, in which the copper is in an amount of 5 to 60% by weight of the catalyst, and the silica is in an amount of 40-95% by weight of the catalyst. The catalyst has a specific surface area of 450-500 m2/g, an average pore volume of 0.5-1 cm3/g, and an average pore diameter of 5-6 nm. The catalyst is in a structure of assembling nanotubes on hollow spheres, wherein the hollow spheres have a diameter of 50-450 nm, and a wall thickness of 10-20 nm, and the nanotubes, vertically arranged on the surfaces of the hollow spheres, have a diameter of 3-5 nm, and a length of 40-300 nm.

Abstract: A method for preparing a boron-containing low-carbon steel oxide film includes performing micro-arc oxidation on boron-containing low-carbon steel in an electrolyte by using the boron-containing low-carbon steel as an anode, to obtain a boron-containing low-carbon steel oxide film. The electrolyte contains sodium meta aluminate of 5 g/L to 25 g/L, sodium dihydrogen phosphate of 2 g/L to 10 g/L, sodium carbonate of 2 g/L to 15 g/L, and glycerol of 2 g/L to 8 g/L. The preparation method provided by the present invention has a simple and controllable process, and the obtained boron-containing low-carbon steel oxide film has a secure bond with the substrate, thus effectively avoiding occurrence of galvanic corrosion.

Abstract: The present disclosure relates to a non-silane polymeric coupler. The non-silane polymeric coupler may include a dendritic polymer core having at least one reactive end group. The at least one reactive end-group may be selected from the group consisting of thiol, thioester, thioether, sulfanyl, mercapto, sulfide, and disulfide.

Abstract: The present invention discloses an attitude self-compensation method to the transmitters of wMPS based on inclinometer, including the following steps: step 1: arranging inclinometer-combined transmitters according to the mechanism structure of the transmitters; step 2: building a horizontal reference frame based on an automatic level and guide rail; step 3: calibrating rotation relationship between the inclinometer and transmitter coordinate systems by referring to the horizontal reference frame according to the measurement model of the inclinometer and rotation measurement model of the transmitter; step 4: updating the orientation parameters of the transmitters in real time according to the output values of the inclinometer and compensation algorithm for the orientation parameters. The method of the present invention aims at self-compensating the orientation parameters of transmitters in real time and increasing the stability of the system.

Abstract: The present invention discloses a cylindrical IFD filter, comprising a dust collecting module and a field power module interval arranged inside the channel of the dust collecting module, a plurality of field power module units are symmetrically and vertically spaced arranged on the side wall of the field power module; a plurality of layers of the dust collecting module channels which are stacked vertically are pass-through arranged on the dust collecting module, and each barrier wall between the vertical adjacent dust collecting module channels is alternately disposed as a pair of positive plate and negative plate, each barrier wall between the vertical adjacent dust collecting module channels comprises polar plate electrode and a polar plate coating coated on the upper and bottom walls of the polar plate electrode; and each barrier wall between the lateral adjacent dust collecting module channels adopts same coating material as the polar plate coating.

Abstract: The present invention discloses a novel engine controlled by combustion reaction path, which cylinders comprise working cylinders and reforming cylinders. According to the operational condition of engine, the engine is used for compressing, heating and reforming the fuel injected from the reforming cylinder injector; by controlling the reaction boundary conditions between fuel and air, the reforming cylinder can exhaust partial intermediate products or oxidation products of the different oxidation stages; the products are then mixes with the inlet air in the pre-mixing chamber and then is introduced into the working cylinder.

Abstract: The present invention discloses a synchronization method for multi-station data of dynamic coordinate measurement by a workshop measuring and positioning network. The method comprises the following steps of: determining a measuring and positioning space according to the in-situ measurement dimension, selecting locations for placing several transmitters, calibrating external parameters of the transmitters by a reference ruler, and establishing a measurement field; in a communication data packet of a signal processor, attaching local clock information into the angle information of each transmitter; and setting fixed time nodes on a time axis, and synchronizing data of different transmitters to corresponding time nodes so as to realize data synchronization.

Abstract: polymeric ion-conducting membrane with an enhanced stability against attacks of free radicals for exteding its service time, which comprises (a) a polymer matrix, and (b) a redox stabilizer, where the redox stabilizer is attached to the polymer matrix by chemical or ligand bonding, or the redox stabilizer is physically mixed with the polymer matrix.

Abstract: Single expander device working with two working media in a two-stage organic Rankine cycle, which has a cylinder body, a rotor disposed inside the cylinder body and provided with a number of slip sheets in a radial direction of the cylinder body, and a rotary shaft fixedly connected to the center of the rotor, with the outer profile of the cylinder body defined by two mathematical equations.

Abstract: An indoor mobile robot position and posture measurement system based on photoelectric scanning and the measurement method thereof, the measurement system includes: a mobile robot (1) which is arranged with a laser transmitter (2), the peripheral of the laser transmitter (2) is provided with no less than three receivers (3) for receiving the light signals emitted by the laser transmitter (2), and at least one signal processor (4) connected to the receivers (3) for processing signals received by the receivers (3) to determine precise coordinates of the receivers in laser transmitter coordinate system, and a terminal computer (5) wirelessly connected with the signal processor (4) to determine the posture angle and the position of the mobile robot through the distances between the laser transmitter (2) and each receiver (3).

Abstract: The present invention discloses a novel low-temperature fuel reforming unit based on combined external reformer of an engine, comprising an engine cylinder and an external low-temperature fuel reformer; the external low-temperature fuel reformer is winded with a heater strip and is provided with a first temperature controlled meter, the inlet of the external low-temperature fuel reformer is connected with a air inlet pipe and a fuel sample injection pipe, and a flow meter is arranged on the air inlet pipe; the fuel sample injection pipe is connected with a fuel injection pump and a fuel vaporization tank which is provided with a second temperature controlled meter; the outlet of the external low-temperature fuel reformer is connected with the engine inlet pipe via a reforming gas pipe; and the reformed low-temperature products enter into the engine inlet pipe via the reforming gas pipe for combining with the fresh air again to form a uniform hybrid gas, and the hybrid gas is introduced into the engine cylinde

Abstract: Disclosed is a composite amphiphilic peptide nanomicelle, the preparation method and application, as to a novel integrin ?v?3-targeted amphiphilic peptide nanomicelles, the applications in fluorescence imaging, photodynamic therapy, sonodynamic therapy and combined treatments. Based on the prominent properties of integrin ?v?3-targeted amphiphilic peptide nanomicelles such as great biocompability, fluorescence imaging of encapsulated materials, photodynamic therapy and photothermal therapy, it is promising to be widely used in the field of labeling and tracing in vivo, biomedical imaging, early detection and treatment for tumor. It has good economic and social benefits in terms of life health and personalized medicine.

Abstract: A novel type of water-soluble isatin derivatives, and manufacturing method and application thereof. An isatin derivative comprising a phenolic hydroxy group is used as the substrates. A dimethylaminomethylene group is introduced to an ortho position of the phenolic hydroxy group to significantly improve the water solubility of a class of compounds provided by the invention. An antitumor activity study showed that the activity of the class of compounds was not reduced, and even improved. The class of compounds has great prospects for applications in developing an antitumor pharmaceutical product.

Abstract: The present invention provides reconstituted tobacco and a preparation method thereof, and belongs to the technical field of tobacco. The preparation method provided by the present invention includes the steps of: subjecting tobacco stems to hot-water extraction and pulping by mill successively to obtain tobacco stem pulp; mixing the tobacco stem pulp with alkaline matter for oxygen delignification in an oxygen environment to obtain oxygen-delignified tobacco stem pulp, where the alkaline matter includes one or more of sodium hydroxide, potassium hydroxide, potassium carbonate, sodium carbonate and sodium bicarbonate; mixing the oxygen-delignified tobacco stem pulp with tobacco pulp, calcium carbonate and a retention agent, and subjecting the mixture to a papermaking process in the paper machine to obtain reconstituted tobacco sheets; and coating the reconstituted tobacco sheets with a concentrated tobacco extracting solution to obtain reconstituted tobacco.

Abstract: The present invention provides a preparation method of tobacco sheets with a reduced quantity of wood pulp fibers, and belongs to the technical field of reconstituted tobacco. The method includes the steps of: cooking tobacco stem materials by alkaline process, and filtering and washing the cooked tobacco stem materials to obtain tobacco stem fibers; generating mixed pulp by mixing wood pulp fibers, tobacco pulp, filling materials, water and the tobacco stem fibers together as per certain proportions, and subjecting the mixed pulp to a papermaking process in a paper machine to obtain tobacco sheets. By means of adding tobacco stem fibers, the present invention effectively reduces the quantity of wood pulp fibers, ensures the continuous operation of the paper machine, and effectively improves the bulk and tensile index of prepared tobacco sheets.

Abstract: The available delivery capability (ADC) of a power distribution network with respect to a power transaction is evaluated in real-time. The power transaction involves simultaneous power deliveries from power sources in a source area to loads in a sink area. First, a list of contingencies are ranked in the power distribution network with respect to static security constraints to obtain a subset of top-ranked contingencies. For each top-ranked contingency in the subset, a representation of the power transaction in a steady state of the power distribution network, in a form of parameterized three-phase power flow equations, is solved to obtain a corresponding power delivery capability (PDC) and a corresponding binding constraint among the static security constraints. The reliability of the power transaction in the power distribution network is then evaluated based on, at least in part, a first contingency PDC which is a smallest PDC among obtained corresponding PDCs.

Abstract: The present invention discloses a micro-grid distributed energy resource bidding method based on artificial immunity including the following steps: processing the collected information by a bidding unit agent to form artificial immune antigen of quotation environmental; performing solving based on artificial immune algorithm to obtain antibody meeting the interest of a distributed energy resource; and decoding the antibody to obtain a bidding scheme of the distributed energy resource. The present invention utilizes artificial immune intelligent algorithm with strong ability of information processing and self-adaption, thus solving the problem of uncontrollable bidding under complicated environment. Uncertainty problem resulted by the intermittent power supply is overcomed by the capability of self-adaption and defect tolerance of artificial immunity during bidding process. In addition, the coordination of entire micro-grid MAS is improves by coordinated evolution of artificial immunity.