Abstract: Disclosed is a reactor operation optimization method based on an improved multi-population genetic algorithm. The reactor operation optimization method includes the following steps: defining an operating condition, and designing an operating scheme according to the operating condition; obtaining operating data of the reactor system of the operating scheme through numerical simulation research, and obtaining operation indexes by calculating the operating data; optimizing the operation indexes based on an improved multi-population genetic algorithm to obtain an optimization result; obtaining an optimal operating parameter setting under the operating condition according to the optimization result. The application solves the problem that the design scheme of reactor operation control hardly meets actual operation requirements, and therefore improves operation characteristics of the reactor system.

Abstract: Disclosed are processes for preparing oligonucleotides. The process comprises: (a) converting a compound of Formula X-1 into a compound of Formula X-2: where R10 is a residue of an oligonucleotide (e.g., a phosphorodiamidate morpholino oligomer); R11 is an amine protecting group; wherein the compound of Formula X-1 is not bound to a solid support; and; (b) optionally removing protecting groups in the compound of Formula X-2 to obtain the olignucleotide. The synthetic processes described herein are advantageous in many aspects, including but not limited to improved yields and purities of target phosphorodiamidate morpholino oligomers with reduced 4-nitrostyrene adduct impurities.

Abstract: A portable hydrogen-oxygen generator includes a housing having a detachable upper cover and a bottom cover. An electrolytic cell module is arranged in the housing. The electrolytic cell module has a hydrogen generation chamber and an oxygen generation chamber. A cathode electrode plate and an anode electrode plate are respectively arranged in the hydrogen generation chamber and the oxygen generation chamber, and the bottoms of the two generation chambers are communicated for electrolyte circulation. A hydrogen outlet part and an oxygen outlet part detachably arranged on the upper cover and respectively corresponding to the hydrogen generation chamber and the oxygen generation chamber. A filtering film for removing water is arranged between the hydrogen/oxygen outlet part and the electrolytic cell module. A power supply module is arranged on the bottom cover of the housing to supply electric energy to the cathode electrode plate and the anode electrode plate.

Abstract: A multi-organ repairing and transferring device without interrupting a blood flow includes a first perfusion bin, a second perfusion bin and a third perfusion bin which are configured for storing respective organs. A first pump is arranged on a first pipeline, two ends of the first pipeline are connected with the first perfusion bin and the second perfusion bin respectively, a second pump is arranged on a second pipeline, two ends of the second pipeline are connected with the first perfusion bin and the second perfusion bin respectively, a third pump is arranged on a third pipeline, two ends of the third pipeline are connected with the first perfusion bin and the third perfusion bin respectively, and a fourth pump is arranged on a fourth pipeline, two ends of the fourth pipeline are connected with the first perfusion bin and the third perfusion bin respectively.

Abstract: Provided are a LED display unit group and a display panel. The LED display unit group includes a circuit board and pixel units arranged in an array of m rows and n columns on the circuit board. The circuit board includes N metal line layers stacked in sequence and an insulating plate located between adjacent metal line layers. The N metal line layers are electrically connected through a conductive via on the insulating plate, where N?2. Each pixel unit includes at least two LED light-emitting chips with different light-emitting colors, where m?2, n?2. The first metal line layer includes m common A-electrode pads, multiple A-electrode pads and multiple B-electrode pads.

Abstract: A multi-organ repairing and transferring device without interrupting a blood flow includes a first perfusion bin, a second perfusion bin and a third perfusion bin which are configured for storing respective organs. A first pump is arranged on a first pipeline, two ends of the first pipeline are connected with the first perfusion bin and the second perfusion bin respectively, a second pump is arranged on a second pipeline, two ends of the second pipeline are connected with the first perfusion bin and the second perfusion bin respectively, a third pump is arranged on a third pipeline, two ends of the third pipeline are connected with the first perfusion bin and the third perfusion bin respectively, and a fourth pump is arranged on a fourth pipeline, two ends of the fourth pipeline are connected with the first perfusion bin and the third perfusion bin respectively.

Abstract: The present invention discloses a preparation process of food-grade potassium dihydrogen phosphate, wherein phosphoric acid prepared from wet-process phosphoric acid is used for the preparation of high-purity potassium dihydrogen phosphate. The preparation process of food-grade potassium dihydrogen phosphate provided in the present invention effectively reduces the preparation cost of the high-purity potassium dihydrogen phosphate and has the advantage of high process controllability, and by such a process, high-purity potassium dihydrogen phosphate crystals that meet the food-grade requirements can be produced, which crystals have uniform particle size distribution and comprises few fine powder, having a very high market value.

Abstract: Disclosed is an ischaemia-free organ perfusion device and perfusion method. The perfusion device perfuses an isolated organ at normal temperature during whole transplantation, and comprises a first container, a second container, a first flow path, a second flow path, a third flow path and a fourth flow path. The perfusion device and the perfusion method are capable of maintaining the blood flow of the isolated organ during whole transplantation without interruption by machine perfusion, recovering the blood of the organ, effectively avoiding the interruption of blood supply for the organ during the whole transplantation, and improving the prognosis of organ transplantation.

Abstract: A preparation method of a uniform low stress cone shaped charge liner includes the steps of multi-pass extrusion forming, vibration aging treatment, and cryogenic treatment. The step of multi-pass extrusion forming refers to 4 to 8 passes of extrusion deformation under the actions of a three-dimensional compressive stress and a deformation rate of 5 to 10 mm/s, having a deformation amount of 5 to 50% for each pass. The shaped charge liner prepared by the present invention has high dimensional accuracy, good geometric symmetry, low stress value, and excellent stability in the precise machining process and in use, which may significantly improve the penetration capability and stability of the shaped charge liner of high-explosive anti-tank warheads.

Abstract: An ERVC for floating nuclear power plants includes a containment, a reactor vessel, a liquid gallium collection tank, a heat pipe, a cooling cabin and a gallium storage tank. The containment is arranged in a sea environment, and the containment is provided with a containing cavity; the reactor vessel and the liquid gallium collection tank are arranged up and down and located in the containing cavity. An end of the heat pipe is inserted into the liquid gallium collection tank, and another end thereof is arranged outside the liquid gallium collection tank; the gallium storage tank is located in the containing cavity; the gallium storage tank is connected to the liquid gallium collection tank through a liquid gallium release valve; and the cooling cabin is located under the containment and under a sea level of the sea environment.

Abstract: A gradient control method for a microstructure ultrafine crystallization of a deep cone copper shaped charge liner includes the steps of an extrusion forming, a recrystallization heat treatment, and a high-frequency percussion. A multi-pass extrusion is used in the extrusion forming, and in the high-frequency percussion step, a percussion speed is 30,000 to 40,000 times/min, a percussion force is 1600 N to 2000 N, and a number of percussion times is 1 to 3. The forming and surface quality control of the deep cone shaped charge liner are realized by the control technology of the present invention; the plasticity of the material is improved, and fine crystal structures are obtained; and an ultrafine grain gradient structure distributed along the thickness direction is formed in the inner surface of the shaped charge liner.

Abstract: Provided is a light-emitting diode (LED) display assembly. The LED display assembly includes a plurality of chips, a first carrier and a second carrier. Two opposite side surfaces of the first carrier are respectively a first mounting surface and a second mounting surface. The first mounting surface is provided with first pads, and the first pads are connected to the chips. The second mounting surface is provided with first pins, and wires in the first carrier connect the first pads to the first pins. An area of each of the first pins is larger than an area of each of the first pads. The second carrier is provided with a third mounting surface, the third mounting surface is provided with second pads whose number is the same as a number of the first pins, and the second pads are welded to the first pins in one-to-one correspondence.

Abstract: This invention relates to a hair care composition more particularly to a wash-off composition, especially preferred being a shampoo or a conditioner, which provides the desired anti-dandruff efficacy with enhanced stability of the active materials on hair/scalp during use. This is achieved through a judicious combination of an organic UV filter, a zinc compound and selective anti-dandruff agent. The composition comprises 0.01 to 3% by weight zinc pyrithione, an organic UV filter and 0.1 to 5% by weight additional zinc compound. The weight ratio of zinc compound to zinc pyrithione is over 3:1.

Abstract: A spectroscopic metrology system includes a spectroscopic metrology tool and a controller. The controller generates a model of a multilayer grating including two or more layers, the model including geometric parameters indicative of a geometry of a test layer of the multilayer grating and dispersion parameters indicative of a dispersion of the test layer. The controller further receives a spectroscopic signal of a fabricated multilayer grating corresponding to the modeled multilayer grating from the spectroscopic metrology tool. The controller further determines values of the one or more parameters of the modeled multilayer grating providing a simulated spectroscopic signal corresponding to the measured spectroscopic signal within a selected tolerance. The controller further predicts a bandgap of the test layer of the fabricated multilayer grating based on the determined values of the one or more parameters of the test layer of the fabricated structure.

Abstract: A conventional training bench has a problem in that there is a risk of a user being hurt due to a backrest seat inclining more than necessary against the user's intention. A training bench 10 of the present invention mainly has a leg frame 11, a back frame 12, a movable frame 13, a seat part 14, a back seat 15, an angle adjustment mechanism 16, an operation part 17, and a restriction part 18. The angle adjustment mechanism 16 controls and causes the back frame 12 to transition between a fixed state and an angle adjustment state appropriately, so as to prevent the back seat 15 from inclining too much against the user's intention during training. The training bench 10 thus offers excellent safety.

Abstract: A blade assembly and a fan display including the same. The blade assembly includes a circuit substrate provided in an elongated shape, a lamination board provided in an elongated shape and bonded to the circuit substrate by a laminating glue, and a plurality of light emitting diode (LED) light emitting units. A mounting hole is defined in the lamination board and passes through a thickness of the lamination board. The circuit substrate has a first side attached to the lamination board, the first side and the mounting hole jointly defining a mounting cavity, in which plurality of LED light emitting units are hermetically disposed in the mounting cavity, and are arranged at intervals along a length of the circuit substrate.

Abstract: Disclosed are an in-vitro cardiopulmonary combined perfusion system and perfusion method. The in-vitro cardiopulmonary combined perfusion system includes an organ cabin, a circulation cabin, a control cabin, a simple breathing cabin, a display and control panel, and a base. The organ cabin is connected with the circulation cabin, the control cabin and the simple breathing cabin. The control cabin is connected with the display and control panel. The organ cabin, the circulation cabin, the control cabin, the simple breathing cabin, and the display and control panel are mounted on the base.

Abstract: Some embodiments of the present disclosure disclose an LED backlight module and a display device, a plurality of light-emitting units are distributed on a substrate of the LED backlight module, and the surface of the substrate is provided with a plurality of solder mask window areas for the plurality of light-emitting units to abut against, and a conductive circuit connecting two adjacent light-emitting units includes a main circuit and an auxiliary circuit; a remaining portion of the substrate except for the solder mask window area is coated with an insulating material, an alignment error in the coating process causes the reserved solder mask window area to be covered and an actual solder mask window area to shift, since the auxiliary circuit passes through the solder mask window area and a routing-wiring direction is intersected the connecting-wiring direction of the two electrodes of the light-emitting units.

Abstract: Some embodiments of the present disclosure relate to the technical field of Light-Emitting Diodes (LEDs), for example, an LED line backlight source liquid crystal display screen, including liquid crystal glass and a light guide plate. The light guide plate is provided on one side of the liquid crystal glass, the outside of the end surface of a first end of the light guide plate and the outside of the end surface of a second end thereof are both provided with LED line backlight sources, the LED line backlight source includes an elongated circuit substrate, a side of the circuit substrate close to the light guide plate is provided with at least one row of light-emitting assemblies, and each row of the light-emitting assemblies includes a plurality of red, green, and blue (RGB) light-emitting units arranged at intervals along the length direction of the circuit substrate.