Abstract: A folding chair is provided, including an upper hinge seat, a plurality of support legs, a lower hinge seat and a plurality of upper support rods including telescopic rods. Each of the plurality of support legs having an upper end portion rotatably connected to the upper hinge seat and a lower end portion for supporting on the ground, and each of the plurality of upper support rods having a lower end portion rotatably connected to the lower hinge seat. A middle portion of each support leg is rotatably connected with one of the plurality of upper support rods. The upper hinge seat and the lower hinge seat are connected directly or indirectly when the folding chair is in unfolded state, and the upper hinge seat and the lower hinge seat are separated from each other when the folding chair is in folded state.

Abstract: A class of ketoamide derivatives and pharmaceutical uses thereof are provided. Specifically provided are the compound represented by formula I, or a pharmaceutically acceptable salt thereof, or a stereoisomer thereof, or an optical isomer thereof, or a deuterated compound thereof. The compound can effectively inhibit the activity of SARS-CoV-2 Mpro, and can be used in the manufacturer of SARS-CoV-2 Mpro inhibitors, blocking the replication and transcription of SARS-CoV-2 virus in patients. The compound can be used in preparing SARS-CoV-2 Mpro inhibitors, anti-SARS-CoV-2 medicaments, as well as the medicaments for preventing and/or treating Corona Virus Disease 2019 (COVID-19).

Abstract: A frame for a shading product and a beach umbrella is provided. The frame for a shading product includes a central rod, a plurality of top frame units, a first slider arranged on the central rod and an extension rod. Each top frame unit includes a first top rod rotatably connected to the central rod and a second top rod. Each second top rod is rotatably connected to the first slider, and the first top rods, the second top rods, the central rod and the first slider form crank-slider mechanisms. The extension rod is pivotally connected to one top frame unit to allow the extension rod to flip upwards relative to the top frame unit when the frame for a shading product overturns on its side to the ground.

Abstract: A folding chair is provided including an upper hinge seat, a plurality of support legs, a lower hinge seat and a plurality of upper support rods. Each of the plurality of support legs having an upper end portion rotatable connected to the upper hinge seat and a lower end portion for supporting on the ground, and each of the plurality of upper support rods having a lower end portion rotatably connected to the lower hinge seat. A middle portion of each support leg is rotatably connected with one of the plurality of upper support rods. The upper hinge seat and the lower hinge seat are connected directly or indirectly when the folding chair is in unfolded state, and the upper hinge seat and the lower hinge seat are separated from each other when the folding chair is in folded state.

Abstract: A cover connecting assembly is provided including a connecting band for connecting to a cover. The cover connecting assembly further is provided including a hanging member arranged on the connecting band, a connecting slot fitted with the connecting part opened on the hanging member. The connecting part is arranged on bars and being a part of a pivot or connected to a pivot, and the bars being configured to rotate around a rotating axis of the pivot, the connecting part is positioned in the connecting slot when the cover is connected to the bars. The connecting slot has an opening, and the opening is configured to allow the connecting part to enter the connecting slot in a direction perpendicular to or obliquely intersected with the rotating axis.

Abstract: A collapsible canopy with reinforcement bars is provided. The collapsible canopy has at least three supporting legs. An outer retractable unit is connected between each adjacent supporting leg. An inner retractable unit is connected to each supporting leg. Reinforcement bars are pivotally connected between the outer retractable units and the inner retractable units, the reinforcement bars function to maintain the shape of the collapsible canopy when the collapsible canopy is in a locked and unfolded position. The collapsible canopy further has a plurality of overhanging rods and cross bars, when the overhanging rod is in unfolded state, an inner end portion of the overhanging rod is connected to one of the supporting legs, each cross bar is connected between one of the outer retractable units and one of the inner retractable units, such that the overhanging rod is reinforced when the overhanging rod is in the unfolded state.

Abstract: A sunshade umbrella is provided including an umbrella shaft, a top frame provided on an upper portion of the umbrella shaft, and an umbrella cloth connected to the top frame. The umbrella cloth is provided including a main body portion and a skirt portion; an upper edge of the skirt portion is connected to an outer edge of the main body portion; a lower edge of the skirt portion is connected to the top frame, so as to be stretched by the top frame and extend downwards from the outer edge of the main body portion at least after the sunshade umbrella is unfolded; an edge of the umbrella cloth hangs downwards and can be stretched to provide advertisements, slogans, patterns or the like, so that a good display effect is achieved.

Abstract: The present disclosure relates to a compound having an AhR inhibitory effect as shown in FIG. (I) or a pharmaceutically acceptable salt thereof, and a use thereof and a preparation method therefor. The compound has obvious AhR inhibitory activity.

Abstract: A collapsible canopy with reinforcement bars. The collapsible canopy has at least three supporting legs. An outer retractable unit is connected between each adjacent supporting leg. An inner retractable unit is connected to each supporting leg. Reinforcement bars are pivotally connected between the outer retractable units and the inner retractable units, the reinforcement bars function to maintain the shape of the collapsible canopy when the collapsible canopy is in a locked and unfolded position. The collapsible canopy further has a plurality of overhanging rods and cross bars, when said overhanging rod is in unfolded state, an inner end portion of the overhanging rod is connected to one of the supporting legs, each cross bar is connected between one of said outer retractable units and one of said inner retractable units, such that the overhanging rod is reinforced when said overhanging rod is in the unfolded state.

Abstract: A folding chair is provided including an upper hinge seat, a plurality of support legs, a lower hinge seat and a plurality of upper support rods. Each of the plurality of support legs having an upper end portion rotatable connected to the upper hinge seat and a lower end portion for supporting on the ground, and each of the plurality of upper support rods having a lower end portion rotatably connected to the lower hinge seat. A middle portion of each support leg is rotatably connected with one of the plurality of upper support rods. The upper hinge seat and the lower hinge seat are connected directly or indirectly when the folding chair is in unfolded state, and the upper hinge seat and the lower hinge seat are separated from each other when the folding chair is in folded state.

Abstract: Provided are a 5-substituted indole 3-amide derivative, a preparation method and a use thereof, belonging to the field of medicine. A compound represented by formula I or a pharmaceutically acceptable salt thereof is provided. This type of compound can significantly inhibit the activity of RIPK1 kinase, has high selectivity and excellent safety, serves as a RIPK1 kinase inhibitor, and can be used as a potential therapeutic drug for inflammation, immune diseases, tumors and neurodegenerative diseases. TNF?-induced SIRS model experiments proved that the compound can inhibit a RIPK1 kinase in vivo. Pharmacokinetic results showed that this series of compounds has excellent pharmacokinetic properties, thus providing a novel strategy and means for disease treatments targeting RIPK1.

Abstract: A collapsible canopy is provided, including a central lock, peripheral assembly, and a plurality of inner retractable units connected between the central lock and the peripheral assentbly. Each inner retractable unit includes a first top rod and a second top rod hinged to each other. The central lock includes: a central rod; a bottom cap, provided on the lower portion of the central rod and hinged to the second top rod; a top cap, sleeved on the central rod and hinged to the first top rod; a locking mechanism provided between the top cap and the central rod, with a locked state and an unlocked state; and an operation part for locking and/or unlocking the locking mechanism, located at the bottom of the central lock. The structure of the locking mechanism is simplifiedand conveniently performed at the bottom of the central lock.

Abstract: Disclosed is a tent that includes at least three telescopic stand columns. Each telescopic stand column has an inner tube and an outer tube sleevedly connected to each other, and a lock mechanism fixing the inner tube and the outer tube together. The inner tube has an open end portion inserted to the outer tube, and at least one side wall of the open end portion is opened with a strip-shaped opening. The lock mechanism has a tensioning component providing a tension to expand the open end portion outward along a direction perpendicular to a length direction of the inner tube, and a matching assembly fixed to the open end portion to fit with the tensioning component. Operation holes corresponding to the tensioning component are provided on side walls of the inner tube and outer tube.

Abstract: Provided in the present invention are a salt of an arylaminopurine derivative represented by Formula (2), a preparation method therefor and the use thereof. The salt obtained in the present invention has good crystallinity and significantly improved solubility relative to that in the free form, and the preferred salt and crystal form have low hygroscopicity and can exist stably. Therefore, compared with the free form of arylaminopurine derivatives or other salts, it is easier to prepare same into a medicine.

Abstract: A phenothiazine ferroptosis inhibitor, a preparation method therefor and an application thereof. Specifically provided is a compound represented by formula I, or a salt thereof, or a stereoisomer thereof. The synthesized phenothiazine compound has a good inhibitory effect on ferroptosis and has good drug safety. Moreover, the compound can be used to prepare a ferroptosis inhibitor, and can also be used to prepare a drug for treating diseases related to ferroptosis, such as neurodegenerative diseases, tumors, tissue ischemia reperfusion injury, stroke, cardiovascular diseases, renal failure, and diabetic complications.

Abstract: A wheeled collapsible canopy with foldable support frame is provided. The wheeled collapsible canopy includes at least two wheeled legs and at least two non-wheeled legs. A protective cover covers the top of the collapsible canopy when the collapsible canopy is in a folded state. The protective cover extends only partially down the length of the folded support frame.

Abstract: 10H-phenothiazine derivatives capable of inhibiting ferroptosis has structural formula (I). The derivatives, pharmaceutically acceptable salts thereof, crystal forms thereof, or solvates thereof exhibit inhibitory effect on ferroptosis, and therapeutic effect on a rat model of focal cerebral ischemia and thus can be used as a main active ingredient in the preparation of ferroptosis inhibitors. The compounds and the inhibitors prepared by the compounds have good medicinal potential and are expected to be used as drug candidates for the treatment of stroke.

Abstract: A wheeled collapsible canopy with foldable support frame. The wheeled collapsible canopy includes at least two wheeled legs and also at least two non-wheeled legs. A protective cover covers the top of the collapsible canopy when the collapsible canopy is in a folded state. The protective cover extends only partially down the length of the folded support frame.

Abstract: A collapsible canopy with reinforcement bars. The collapsible canopy has at least three supporting legs. An outer retractable unit is connected between each adjacent supporting leg. An inner retractable unit is connected to each supporting leg. Reinforcement bars are pivotally connected between the outer retractable units and the inner retractable units, the reinforcement bars function to maintain the shape of the collapsible canopy when the collapsible canopy is in a locked and unfolded position. The collapsible canopy further has a plurality of overhanging rods and cross bars, when said overhanging rod is in unfolded state, an inner end portion of the overhanging rod is connected to one of the supporting legs, each cross bar is connected between one of said outer retractable units and one of said inner retractable units, such that the overhanging rod is reinforced when said overhanging rod is in the unfolded state.

Abstract: A collapsible canopy with an improved locking mechanism. The collapsible canopy has at least three supporting legs. The collapsible canopy also has a central lock that is used for locking the collapsible canopy in an unfolded state and permits the collapsible canopy to be folded into a folded state when the central lock is unlocked. An outer retractable unit is connected between each adjacent supporting leg. An inner retractable unit having an inner end is connected between each supporting leg and the central lock. The inner end of the inner retractable unit is connected through the central lock. Reinforcement bars are pivotally connected between the outer retractable units and the inner retractable units, the reinforcement bars function to maintain the shape of the collapsible canopy when the collapsible canopy is in a locked and unfolded position.