Abstract: A stator, a motor and a compressor are provided. The stator includes a stator iron core and a winding. The stator iron core includes: an annular yoke; multiple stator teeth, near ends of the stator teeth being fixedly adjacent to an inner surface of the yoke and projecting inward towards the center of the stator iron core along a radial direction of the yoke, remote ends of the stator teeth that face inward along the radial direction defining a center hole for accommodating a rotor, and the stator teeth being spaced from each other in a circumferential direction; and multiple stator slots, each stator slot being defined between two neighboring stator teeth. The winding is wound around the stator teeth and operable for generating a rotating magnetic field. The yoke has at least two cut edges at an outer periphery thereof, disposed asymmetrically relative to the center.

Abstract: Embodiments of the present disclosure provide a motor rotor and a motor. The motor rotor includes: multiple groups of laminations having inner bores and arranged alternately in an axial direction of the motor rotor. The motor includes a stator and the abovementioned motor rotor provided in the stator. The motor rotor and the motor according to embodiments of the present disclosure, for example, may reduce installation costs of the laminations and a rotor shaft in the motor rotor.

Abstract: The present invention discloses a short-range optical amplification module, which includes a first phase delay plate, a transflective mirror, a second phase delay plate and a reflective polarizing plate that are arranged sequentially, wherein: the transflective mirror includes a first optical surface and a second optical surface; the first optical surface is adjacent to the second phase delay plate; the second optical surface is a transflective optical surface, and the second optical surface is adjacent to the first phase delay plate; the focal length fs2 of the reflection surface of the second optical surface meets the following condition: F?fs2?5F, wherein F is the system focal length of the short-range optical amplification module, and F meets the following condition: 10 mm?F?35 mm.

Abstract: Disclosed are a short-distance optical amplification module, an amplification method and an amplification system. The module comprises a first phase delay plate (2), an imaging lens (4), a second phase delay plate (5) and a reflective type polarizing plate (6), wherein the first phase delay plate (2) is arranged in a transmission path of an optical image having a first linear polarization direction, the imaging lens (4) is arranged in a transmission path of an optical image having an elliptical or circular polarization direction, and the second phase delay plate (5) is arranged on one side of a second optical surface of the imaging lens. A second linear polarization direction is orthogonal to the first linear polarization direction.

Abstract: Disclosed are a short-distance optical amplification module, method and system. The module comprises a reflective type polarizing plate, a first phase delay plate, an imaging lens, a second phase delay plate and an absorptive type polarizing plate, arranged successively. The reflective type polarizing plate is arranged on a transmission path of an optical image. The first phase delay plate is arranged on the transmission path of the optical image passing through the reflective delay plate. The imaging lens is arranged on the transmission path of the optical image. The second phase delay plate is configured for converting a polarization direction of the optical image from an elliptical or circular polarization direction to a second linear polarization direction. The absorptive type polarizing plate is arranged on one side of the second phase delay plate that faces away from the imaging lens.

Abstract: The present invention discloses a short-range optical amplification module, which includes, sequentially from the image side to the object side, a reflective polarizing plate, a first phase delay plate, a third lens and a second phase delay plate, wherein the short-range optical amplification module further includes a first lens and/or a second lens that are/is located on either side of any one of the reflective polarizing plate, the first phase delay plate, the third lens and the second phase delay plate. In the third lens, the optical surface adjacent to the second phase delay plate is a transflective optical surface; the reflection surface-containing focal length f3 of the third lens meets the following condition: 1F?f3?2F, wherein F is the focal length of the short-range optical amplification module.

Abstract: Methods of making indole analogs using a rhodium-containing catalyst are described, along with methods of using the compounds to treat hyperglycemic, hyperlipidemic, or autoimmune disorders in mammals, and corresponding pharmaceutical compositions. Disclosed herein is a method of making indoles. The method comprises contacting a reactant of formula I wherein E is a protecting group, —SO2-Aryl, or —SO2-substituted-Aryl; and R and R2 are independently selected from the group consisting of hydrogen, halo, C1-C12-alkyl and aryl; with a rhodium(1)-containing catalyst.

Abstract: A short-range optical amplification module, spectacles, a helmet and a VR system. The amplification module includes a reflective polarizing plate, a first phase delay plate, a second lens and a second phase delay plate, and a first lens. In the second lens, the optical surface adjacent to the second phase delay plate is a transflective optical surface. The first focal length f2 of the second lens meets the condition: 1F?f2?2F, wherein F is the system focal length of the optical amplification module. By performing parameter refining on the first focal length f2 that influences the optical amplification effect, the module can keep a small overall thickness while obtaining a large optical amplification effect, and the VR device can realize a good field angle, a large oculomotor range and a high-quality imaging effect.

Abstract: Described is a method to make diindolylmethanes and indolyl/pyrrolylmethanes, The method includes the steps of contacting an ether comprising an arylpropargyl moiety and an amine-protected, substituted or unsubstituted aniline moiety with a substituted or unsubstituted indol or a substituted or unsubstituted pyrrole, in the presence of a metal-containing catalyst, for a time and at a temperature to cause an annulation/arylation cascade reaction that yields a diindolylmethane or a indolyl/pyrrolylmethane. The resulting compounds are effective to modulate activity of arylhydrocarbon receptors, to inhibit activity of PCSK9, and to stimulate secretion of glucagon-like peptide 1 in mammals.

Abstract: Disclosed are a short-range optical amplification module, spectacles, a helmet and a VR system. The amplification module includes a reflective polarizing plate, a first phase delay plate, a second lens and a second phase delay plate that are arranged in turn, and a first lens is further set on either side of any one of the reflective polarizing plate, the first phase delay plate, the second lens and the second phase delay plate; in the second lens, the optical surface adjacent to the second phase delay plate is a transflective optical surface; the first focal length f2 of the second lens meets the condition: 1.2F?f2?2F, wherein F is the system focal length of the optical amplification module.

Abstract: The present invention discloses a short-range optical amplification module, spectacles, a helmet and a VR system. The amplification module includes a reflective polarizing plate, a first phase delay plate, a second lens and a second phase delay plate that are arranged in turn, and a first lens is further set on either side of any one of the reflective polarizing plate, the first phase delay plate, the second lens and the second phase delay plate; in the second lens, the optical surface adjacent to the second phase delay plate is a transflective optical surface; the first focal length f2 of the second lens meets the condition: 1.2F?f2?2F, wherein F is the system focal length of the optical amplification module.

Abstract: Described is a method to make diindolylmethanes and indolyl/pyrrolylmethanes, The method includes the steps of contacting an ether comprising an arylpropargyl moiety and an amine-protected, substituted or unsubstituted aniline moiety with a substituted or unsubstituted indol or a substituted or unsubstituted pyrrole, in the presence of a metal-containing catalyst, for a time and at a temperature to cause an annulation/arylation cascade reaction that yields a diindolylmethane or a indolyl/pyrrolylmethane. The resulting compounds are effective to modulate activity of arylhydrocarbon receptors, to inhibit activity of PCSK9, and to stimulate secretion of glucagon-like peptide 1 in mammals.

Abstract: The present invention discloses a short-range optical amplification module, which includes a first phase delay plate, a transflective mirror, a second phase delay plate and a reflective polarizing plate that are arranged sequentially, wherein: the transflective mirror includes a first optical surface and a second optical surface; the first optical surface is adjacent to the second phase delay plate; the second optical surface is a transflective optical surface, and the second optical surface is adjacent to the first phase delay plate; the focal length fs2 of the reflection surface of the second optical surface meets the following condition: F?fs2?5F, wherein F is the system focal length of the short-range optical amplification module, and F meets the following condition: 10 mm?F?35 mm.

Abstract: A short-range optical amplification module, spectacles, a helmet and a VR system. The amplification module includes a reflective polarizing plate, a first phase delay plate, a second lens and a second phase delay plate, and a first lens. In the second lens, the optical surface adjacent to the second phase delay plate is a transflective optical surface. The first focal length f2 of the second lens meets the condition: 1F?f2?2F, wherein F is the system focal length of the optical amplification module. By performing parameter refining on the first focal length f2 that influences the optical amplification effect, the module can keep a small overall thickness while obtaining a large optical amplification effect, and the VR device can realize a good field angle, a large oculomotor range and a high-quality imaging effect.

Abstract: The present invention discloses a short-range optical amplification module, which includes, sequentially from the image side to the object side, a reflective polarizing plate, a first phase delay plate, a third lens and a second phase delay plate, wherein the short-range optical amplification module further includes a first lens and/or a second lens that are/is located on either side of any one of the reflective polarizing plate, the first phase delay plate, the third lens and the second phase delay plate. In the third lens, the optical surface adjacent to the second phase delay plate is a transflective optical surface; the reflection surface-containing focal length f3 of the third lens meets the following condition: 1F?f3?2F, wherein F is the focal length of the short-range optical amplification module.

Abstract: Disclosed are unnatural analogs of Diptoindonesin G, methods to make the analogs, pharmaceutical compositions containing the analogs, and methods of using the analogs to inhibit neoplastic cell growth.

Abstract: Methods of making indole analogs using a rhodium-containing catalyst are described, along with methods of using the compounds to treat hyperglycemic, hyperlipidemic, or autoimmune disorders in mammals, and corresponding pharmaceutical compositions. Disclosed herein is a method of making indoles. The method comprises contacting a reactant of formula I wherein E is a protecting group, —SO2-Aryl, or —SO2-substituted-Aryl; and R and R2 are independently selected from the group consisting of hydrogen, halo, C1-C12-alkyl and aryl; with a rhodium(l)-containing catalyst.

Abstract: A short-distance optical amplification module and a near-eye display optical module using the same in the present invention relates to an optical amplification module applicable for short distance and an optical module using the same for near-eye display. The purpose of the present invention is to provide an optical amplification module for large-multiple amplification within a short distance (less than 5 cm) and a near-eye display optical module using the same to achieve super large field of view within a short distance (less than 3 cm). The short-distance optical amplification module in the present invention comprises a first 45 degree phase delay sheet (2), a partial-transmission and partial-reflection curved lens (4), a second 45 degree phase delay sheet (5) and a reflective polarizing sheet (6) which are sequentially arranged.

Abstract: A stator, a motor and a compressor are provided. The stator includes a stator iron core and a winding. The stator iron core includes: an annular yoke; multiple stator teeth, near ends of the stator teeth being fixedly adjacent to an inner surface of the yoke and projecting inward towards the center of the stator iron core along a radial direction of the yoke, remote ends of the stator teeth that face inward along the radial direction defining a center hole for accommodating a rotor, and the stator teeth being spaced from each other in a circumferential direction; and multiple stator slots, each stator slot being defined between two neighboring stator teeth. The winding is wound around the stator teeth and operable for generating a rotating magnetic field. The yoke has at least two cut edges at an outer periphery thereof, disposed asymmetrically relative to the center.

Abstract: Embodiments describe a motor. The motor includes a stator, and a rotor, which is arranged within the stator. An end part of at least one air-gap slot of the rotor has an offset with a predetermined distance and/or a predetermined angle relative to a main body part adjacent immediately to the end part. With the offset of a predetermined distance and/or a predetermined angle configured at the end part of at least one air-gap slot of the rotor, ripple torque of the motor is effectively lower down while complexity of the motor, stator or rotor will not be increased.