Abstract: Provided is a method of producing an oil containing polyunsaturated fatty acids by using Schizochytrium sp. The method comprises: performing fermentation using Schizochytrium sp.; resuspending the resultant cells after fermentation in water, adding cellulase and neutral protease for enzymolysis; mixing the enzymatic hydrolyzate with n-hexane, shaking, extracting, centrifuging, and collecting the n-hexane phase; concentrating the n-hexane phase under reduced pressure to remove the n-hexane, and drying to obtain an oil; performing a first crystallization and a second crystallization, and then performing cold filtration to obtain a liquid oil after the second crystallization; and subjecting the liquid oil to deacidification and decolorization. By regulating fermentation conditions and conducting concentration processing on polyunsaturated fatty acids, the content of eicosapentaenoic acid in the Schizochytrium sp.

Abstract: The present disclosure provides a secondary battery, which includes an electrode assembly, a case, a cap assembly and a first insulating tape. The electrode assembly comprises an electrode unit. The electrode unit comprises a positive electrode plate, a negative electrode plate and a separator. The electrode unit is a winding structure and in a flat shape, and an outermost turn of the negative electrode plate is positioned at an outer side of an outermost turn of the positive electrode plate. The case comprises a first side wall and an accommodating cavity, the electrode assembly is accommodated in the accommodating cavity, the case is electrically connected with the positive electrode plate, and the cap assembly is connected with the case. The first insulating tape is positioned between the electrode assembly and the first side wall and closely attached to an outer surface of the electrode assembly.

Abstract: This application provides an example optical lens, an example camera module, and an example terminal. One example lens includes a first lens with a negative focal power, a second lens with a positive focal power, a third lens with a negative focal power, a fourth lens with a positive focal power, a fifth lens with a positive focal power, a sixth lens with a focal power, and a seventh lens with a focal power that are sequentially arranged along an optical axis from an object side to an image side. The first lens includes an object side surface that is concave near the optical axis and an image side surface that is convex near the optical axis. The seventh lens is an M-shaped lens and includes an object side surface that is convex near the optical axis and an image side surface that is concave near the optical axis.

Abstract: An electrical connector assembly includes a plug connector, a cable electrically connecting to the plug connector, an outer cover enclosing the plug connector and the cable, a pair of latches mounted to the plug connector, and a pair of buttons mounted to the outer cover for operating the pair of latches, wherein each of the pair of latches includes a spring arm, a securing portion at an inner side of the spring arm, and a pressing portion at an outer side of the spring arm, and each of the pair of buttons includes a pivot at one end thereof, a stopper at an opposite end thereof, and an abutting portion coupled to the pressing portion.

Abstract: The present disclosure relates to a secondary battery and a battery module. The secondary battery includes: a casing including a receiving cavity and an opening which is in communication with the receiving cavity; an electrode assembly housed in the casing; a first top cover plate, which covers the opening and is connected with the casing, the first top cover plate including an insertion portion extending into the casing and an exposed portion disposed outside the casing; and a sealing member; the casing is provided with a first through hole, the insertion portion is provided with a second through hole, the second through hole includes an inlet which is in communication with the first through hole and an outlet which is in communication with the receiving cavity, and the sealing member is connected to the casing and seals the first through hole.

Abstract: A motor device is provided. The motor device includes a motor, a lead screw, a transmission mechanism and a housing. The transmission mechanism is configured to transmit rotation of the motor to the lead screw. The housing includes a housing outer wall to define a housing cavity and a partition to define a transmission cavity for accommodating the transmission mechanism. The transmission cavity is inside the housing cavity. The housing cavity also accommodates at least a portion of the lead screw. The partition includes a first protruding sidewall and a second protruding sidewall respectively on either side of the transmission cavity, and the transmission cavity is sealed for a lubricant that is used for the transmission mechanism and contained in the transmission cavity.

Abstract: The present disclosure relates to a secondary battery and a manufacturing method of the secondary battery, and the secondary battery includes a case; an electrode assembly, accommodated in the case and including a main body and a tab connected to the main body; a cap plate, coupled to the case; an electrode terminal, located on an outer side of the cap plate and provided with a through hole; and a current collecting member, including an extending portion and a connecting portion connected to the extending portion, wherein the connecting portion is located on an inner side of the cap plate and is directly connected to the tab, and the extending portion is adapted to extend toward the electrode terminal and protrude into the through hole, and is connected to the electrode terminal. The configuration of the secondary battery of the present disclosure is conducive to improving an energy density.

Abstract: The present disclosure provides a secondary battery, which includes an electrode assembly, a case, a cap assembly and a first insulating tape. The electrode assembly comprises an electrode unit. The electrode unit comprises a positive electrode plate, a negative electrode plate and a separator. The electrode unit is a winding structure and in a flat shape, and an outermost turn of the negative electrode plate is positioned at an outer side of an outermost turn of the positive electrode plate. The case comprises a first side wall and an accommodating cavity, the electrode assembly is accommodated in the accommodating cavity, the case is electrically connected with the positive electrode plate, and the cap assembly is connected with the case. The first insulating tape is positioned between the electrode assembly and the first side wall and closely attached to an outer surface of the electrode assembly.

Abstract: The disclosure relates to a power battery and a battery module. The power battery includes: a case including two openings opposite to each other; an electrode assembly formed by winding a positive electrode sheet, a negative electrode sheet, and a separator disposed around a winding axis, the electrode assembly being disposed in the case, and two opposite ends of the electrode assembly along the winding axis being respectively disposed corresponding to the two openings; a first cap assembly covering one of the two openings, the first cap assembly including a liquid injection hole communicating with an interior of the case; a second cap assembly covering the other opening, the second cap assembly including a through hole communicating with the interior of the case; in a length direction, the liquid injection hole and the through hole are located on a same side of a central axis of the case.

Abstract: The present disclosure relates to a secondary battery and a battery module. The secondary battery includes: a casing including a receiving cavity and an opening which is in communication with the receiving cavity; an electrode assembly housed in the casing; a first top cover plate, which covers the opening and is connected with the casing, the first top cover plate including an insertion portion extending into the casing and an exposed portion disposed outside the casing; and a sealing member; the casing is provided with a first through hole, the insertion portion is provided with a second through hole, the second through hole includes an inlet which is in communication with the first through hole and an outlet which is in communication with the receiving cavity, and the sealing member is connected to the casing and seals the first through hole.

Abstract: The tracked robot including a rack, two sets of track mechanisms and power components operating respectively in cooperation with the two sets of track mechanisms. Each set of track mechanism includes a track, a driving wheel, a tensioning wheel and a plurality of load bearing wheels, wherein the driving wheel, the tensioning wheel and the load bearing wheels are sleeved with the track, the tensioning wheel is used for tensioning the track, the driving wheel, the tensioning wheel and the load bearing wheels are rotatably arranged on the rack respectively through a driving wheel axle, a tensioning wheel axle and load bearing wheel axles, the driving wheel drives the tensioning wheel and the load bearing wheels to rotate through the track, baffles are arranged on the outer sides of the driving wheel, the tensioning wheel and the plurality of bearing wheels, and the track is embedded between the baffles.

Abstract: The present application discloses a secondary battery including a cap plate, an electrode terminal, an electrode assembly, and a connection member which includes a first connecting plate connected to a tab, a second connecting plate, and a support plate, at least a part of the support plate protrudes, relative to the first connecting plate, towards a side close to a body, and the protruding part of the support plate is attached to the body; a minimum distance between the support plate and a bottom surface of the electrode assembly in a height direction of the secondary battery is a bare height H of the body on its side, a size of the body in a length direction of the secondary battery is a body length L, and the bare height H and the body length L satisfy the following relationship: 0.1?H/L?0.8. A vehicle is further disclosed.

Abstract: The present disclosure relates to pharmaceutical field, providing a hydrolyzed chicken sternal cartilage extract, method for producing the same and use thereof. The hydrolyzed chicken sternal cartilage extract has a type II collagen content of ?50% and a chondroitin sulfate content of ?20%. In China, a huge amount of livestock and poultry are consumed, and the total consumption almost reaches ¼ of the worldwide livestock and poultry consumption. Chicken sternal cartilage is one of the main by-products in broiler chicken processing. In the present disclosure, a hydrolyzed chicken sternal cartilage extract rich in type II collagen and chondroitin sulfate is obtained by using biological enzymatic hydrolysis technique. Experiments results show that the hydrolyzed chicken sternal cartilage extract produced by the present disclosure has a good anti-inflammatory effect and can be used to prepare medications for treating osteoarthritis.

Abstract: Provided is a method of producing an oil containing polyunsaturated fatty acids by using Schizochytrium sp. The method comprises: performing fermentation using Schizochytrium sp.; resuspending the resultant cells after fermentation in water, adding cellulase and neutral protease for enzymolysis; mixing the enzymatic hydrolyzate with n-hexane, shaking, extracting, centrifuging, and collecting the n-hexane phase; concentrating the n-hexane phase under reduced pressure to remove the n-hexane, and drying to obtain an oil; performing a first crystallization and a second crystallization, and then performing cold filtration to obtain a liquid oil after the second crystallization; and subjecting the liquid oil to deacidification and decolorization. By regulating fermentation conditions and conducting concentration processing on polyunsaturated fatty acids, the content of eicosapentaenoic acid in the Schizochytrium sp.

Abstract: Disclosed is a method of preparing a hepatoprotective traditional Chinese medicine composition. The composition is prepared from Fructus Ligustri Lucidi, Herba Ecliptae, Radix Paeoniae Alba, Rhizoma Curcumae Longae and clam as main raw materials.

Abstract: An electrical connector includes: an insulative housing; plural conductive terminals disposed in the insulative housing; and a shield shell covering the insulative housing, wherein the shield shell has a mating frame opening at a front end thereof, the mating frame opening including a top edge, a bottom edge parallel to the top edge, a first side and a second side respectively perpendicular to a left and a right ends of the top edge, a first connecting edge connected between the first side and the bottom edge, and a second connecting edge connected between the second side and the bottom edge, the first connecting edge has a first angle with respect to the bottom edge, the second connecting edge has a second angle with respect to the bottom edge, and the first angle and the second angle are both obtuse angles.

Abstract: In alternative embodiments, provided are methods for: modifying circadian rhythmicity or timing in a mammal, treating psychiatric conditions or symptoms due to alterations in a human circadian regulatory system, treating sleep problems in a mammal, or inducing sleep or activity suppression, or causing an arousal or wakening reaction, comprising administration to a mammal or human a compound or composition capable of modifying a prokineticin 2 (PK2) expression or activity, and/or a PKR2 (PK2 receptor), a vasopressin receptor (VR), and/or a melatonin receptor (MR) expression or activity.

Abstract: Disclosed herein; are novel compounds for treating apicomplexan parasite related disorders, methods for their use; cell line and non-human animal models of the dormant parasite phenotype and methods for their use in identifying new drugs to treat apicomplexan parasite related disorders, and biomarkers to identify disease due to the parasite and its response to treatment.

Abstract: The present disclosure provides a secondary battery, which includes an electrode assembly, a case, a cap assembly and a first insulating tape. The electrode assembly comprises an electrode unit. The electrode unit comprises a positive electrode plate, a negative electrode plate and a separator. The electrode unit is a winding structure and in a flat shape, and an outermost turn of the negative electrode plate is positioned at an outer side of an outermost turn of the positive electrode plate. The case comprises a first side wall and an accommodating cavity, the electrode assembly is accommodated in the accommodating cavity, the case is electrically connected with the positive electrode plate, and the cap assembly is connected with the case. The first insulating tape is positioned between the electrode assembly and the first side wall and closely attached to an outer surface of the electrode assembly.