Abstract: The purpose of the present invention is to provide a method for calculating a VC dimension boundary in a quantum circuit, the method comprising: a step in which a computer acquires the depth L of the quantum circuit; a step in which the computer acquires the width n of the quantum circuit; and a step in which the computer identifies the VC dimension boundary in the quantum circuit on the basis of the depth L and the width n.

Abstract: A cutting device includes a box, a workbench disposed on the box, and a cutting assembly disposed on the box, where the workbench includes a platen for carrying a workpiece, and the platen is provided with a first cutting slot along a first direction; the platen is slidably connected to the box along the first direction, and when the platen slides towards the cutting assembly, the cutting assembly penetrates through the first cutting slot so that the cutting assembly cuts the workpiece on the platen, where a slide stroke of the platen is greater than a cutting stroke of the workpiece.

Abstract: Disclosed is recombinant Escherichia coli for producing L-tyrosine and application thereof, and belongs to the technical fields of genetic engineering and bioengineering. According to the present disclosure, genes aroP and tyrP are knocked out, expresses the endogenous gene yddG of E. coli, then heterologously expresses fpk from Bifidobacterium adolescentis, expresses the endogenous genes ppsA and tktA of E. coli, and then expresses aroGfbr and tyrAfbr. Knocking out tyrR, trpE and pheA, so that the synthesis flux of L-tyrosine is increased. Finally, an endogenous gene poxB is knocked out to realize stable fermentation performance at high glucose concentration.

Abstract: An apparatus includes a tool body including first and second overlapping body members that are joined together by a first linear slide establishing a first coordinate axis, wherein the first body member has a first planar region that is perpendicular to the first coordinate axis and faces away from the second body member, and wherein the second body member has a second planar region that is perpendicular to the first coordinate axis and faces away from the first body member. The apparatus further includes a latch secured to the first body member and selectively engageable with the second body member to prevent relative movement of the body members along the first coordinate axis. The apparatus also includes planar elongate arms having a distal end forming a hook, the elongate arms being selectively securable to the planar regions at a plurality of positions along a length of the elongate arms.

Abstract: Provided are a genetically modified cell line producing a recombinant glycoprotein having a mannose-terminated N-glycan and a method for producing the recombinant glycoprotein or a method for generating the cell, clone or cell line. The cell line comprises an insertion of less than 600 bp in the coding region of a chromosomal sequence encoding MGAT1.

Abstract: A mounting structure includes base wall formed of a thermally conductive material and configured to provide a thermally conductive pathway between an electronic device mounted to an inner side of the base wall and a panel in contact with an outer side of the base wall that is opposite the inner side. The outer side includes a plurality of bumps configured to engage the panel. The base wall includes a plurality of tabs. Each tab configured to receive a corresponding fastener to secure the base wall to the panel.

Abstract: A test device for rigid-flexible characteristics of a rigid-flexible transition overhead conductor rail, includes a movable vehicle moved in a length extending direction of the overhead conductor rail. A telescopic mechanism for providing lifting force for the overhead conductor rail is mounted on the movable vehicle and stretches out and draws back in a vertical direction, and a conversion plate is connected to a top end of the telescopic mechanism and synchronously moved in the vertical direction therewith. A sliding assembly is mounted at a top of the conversion plate and slides along the overhead conductor rail with the movable vehicle. The overhead conductor rail is located over the sliding assembly which abuts against a bottom wall of the overhead conductor rail. A force sensor is arranged between the telescopic mechanism and the conversion plate. A displacement detection mechanism is arranged on the conversion plate.

Abstract: A prediction-based system and method for trajectory planning of autonomous vehicles is configured to: receive data from a training data collection system, the training data including perception data and context data corresponding to human driving behaviors; perform a training phase for training a trajectory prediction module using the training data; receive perception data associated with a host vehicle; and perform an operational phase for extracting host vehicle feature data and proximate vehicle context data from the perception data, generating a proposed trajectory for the host vehicle, using the trained trajectory prediction module to generate predicted trajectories for each of one or more proximate vehicles near the host vehicle based on the proposed host vehicle trajectory, determining if the proposed trajectory for the host vehicle will conflict with any of the predicted trajectories of the proximate vehicles, and modifying the proposed trajectory for the host vehicle until conflicts are eliminated.

Abstract: A flexible strain sensor comprises a sensing area, a connection area, an encapsulation layer and a flexible substrate. The sensing area and the connection area are made of the same conductive material by adjusting size structures of different areas. The sensor is prepared by performing one-step printing of carbon black-silicone rubber composite conductive paste on a fabric substrate on the basis of a screen printing process. The method is simple and convenient to operate, is low in manufacturing cost and is suitable for large-scale production; and the prepared sensor has a high sensitivity (?10), a large strain range(˜100%), a low hysteresis quality and a good stability, and can be applied to the fields of human body motion detection, intelligent medical service, etc. The method for preparing a sensor in the present invention has important reference value for industrial production of a flexible strain sensor.

Abstract: Disclosed is a testing device and method for a service life of an air-conditioning compressor of a new energy vehicle running with pure gas. The testing device includes an alternative refrigeration system, a measurement and control system, and a testing environment room. A main refrigeration cycle system of the alternative refrigeration system runs with pure gas, gas of a testing compressor is discharged via a discharge throttle valve, and then enters a suction end via a suction throttle valve and an electronic expansion valve, and since there is no phase change, a heat exchange amount is small; adjustable ranges of the discharge throttle valve, the suction throttle valve and the electronic expansion valve are wide; and based on the system structure, a small refrigeration system can be used to test a compressor having high cooling capacity, and the system can quickly achieve a target working condition with a small amount of refrigerant.

Abstract: A high-pressure liquid delivery system under a high centrifugal acceleration condition on an arm-centrifuge, comprising a centrifuge main engine, a ground liquid source, a ground delivery conduit, a centrifuge bottom rotary joint, a centrifuge rotary arm delivery conduit, a rotary arm-basket pin roll, a basket rotary joint, a basket delivery conduit and a basket conduit outlet. According to the present disclosure, the basket rotary joint is introduced to adapt to the change of the basket-rotary arm angle before and after the arm-type basket centrifuge works, so that the demand for water, electricity, oil and gas transportation of the centrifuge is met. Therefore, the design for the conduit of the centrifuge-basket part is solidified, and compared with the traditional solution that a high-pressure hose is connected to the basket, the centrifugal acceleration load of the load can be increased to more than 500 g.

Abstract: A beverage container and a flavoring box, comprising: a container main body for accommodating a beverage; a straw, which is mounted on a mouth and neck portion of the container main body for sucking out the accommodated beverage; and a hollow annular flavoring box, which is used for accommodating flavorings and supplying the flavorings to the straw, and which is provided with a central hole part through which the straw passes. By means of the flavoring box, a favorite flavoring may be mixed into the water accommodated in the container, so that when drinking water, a user has the feeling of drinking juice, thereby improving the desire of people to drink water.

Abstract: A computer fan includes a base frame, a fan blade body, and a positioning device. A base plate is arranged on the base frame. A shaft is arranged on the base plate. A through hole is arranged at a central position of the fan blade body for being sleeved on the shaft. The positioning device is for coupling to a top of the shaft, such that the fan blade body is located under the positioning device, and the positioning device is capable of being stabilized and rest on the shaft when the fan blade body is rotating relative to the shaft.

Abstract: Disclosed herein are methods and compositions for generation of cell lines to promote unnatural amino acid-containing protein production using genome engineering technology.

Abstract: The present invention relates to a catalytic article for purifying an exhaust gas containing nitrogen oxides, which comprises a first region containing a vanadium-based SCR catalyst, a second region containing a metal-promoted molecular sieve catalyst, and a third region containing a vanadium-based SCR catalyst, wherein at least part of the second region is located downstream of at least part of the first region and upstream of at least part of the third region in the exhaust gas flow direction, provided that no part of the second region is located upstream of the first region or downstream of the third region. The present invention also relates to a method and a system for treatment of an exhaust gas containing nitrogen oxides by selective catalytic reduction using the catalytic article.

Abstract: The invention belongs to the field of genetic engineering in plants. In particular, the invention relates to a method for improving efficiency of genetic transformation and gene editing in plants. More particularly, the invention relates to a method for improving regeneration efficiency of genetic transformation and/or gene editing efficiency in plants by expression of gene NiR which promotes nitrogen metabolism in plants.

Abstract: A shock indicator, including a first cover, a base, a counterweight, and a shrapnel, is provided. The first cover has an accommodating space. The base is disposed in the accommodating space of the first cover. The counterweight is located in the accommodating space. The counterweight has a pivot end pivotally disposed on the base, and the counterweight rotates relative to the base with the pivot end as a rotation axis. The shrapnel is disposed on the base and is located in the accommodating space. The counterweight and the shrapnel are located on two opposite sides of the base. The shrapnel has two ends, and the two ends of the shrapnel clamp the counterweight along a contour of the counterweight.

Abstract: Provided is a UV curable adhesive composition, an adhesive tape comprising the UV curable adhesive composition, an adhesive film formed by UV curing of the adhesive composition, and a corresponding bonding member. The UV curable adhesive composition and the adhesive tape comprising the UV curable adhesive composition have a hybrid system of a (meth) acrylate component, epoxy resin, core-shell rubber particles, cationic photoinitiator and an amphoteric inorganic filler.

Abstract: The present disclosure provides eyeglasses including: an eyeglass rim; an eyeglass temple, the eyeglass temple comprising a control circuit or a battery; a rotating shaft, the rotating shaft being configured to connect the eyeglass rim and the eyeglass temple, so that the eyeglass rim and the eyeglass temple are relatively rotated around the rotating shaft, and the rotating shaft being disposed with a rotating shaft wiring channel along an axial direction; and a speaker, the speaker comprising an earphone core, the speaker being connected to the eyeglass temple, the control circuit or battery in the eyeglass temple driving the earphone core to vibrate through the connection wire, wherein the earphone core vibrates to generate a driving force to drive a housing panel of the speaker to vibrate, and a straight line of the driving force being not parallel to a normal line of the housing panel.

Abstract: Anti-CXCR2 antibodies that recognize CXCR2 and inhibit the activity of CXCR2, and the use of the anti-CXCR2 antibodies in the treatment of pancreatic cancer and leukemia.