Abstract: The present application discloses a projection apparatus comprising a housing, a digital micromirror apparatus DMD disposed on an inner sidewall of the housing, a first lens disposed on the housing and a light source for supplying a light to the DMD, wherein an aperture is disposed on the housing; the light from the light source irradiates on the DMD and, when the DMD deflects to a first deflection angle, light reflected by the DMD is first light which emits through the first lens for image display; the light from the light source irradiates on the DMD and, when the DMD deflects to a second deflection angle, light reflected by the DMD is second light which emits out of the housing through the aperture; the projection apparatus further comprises an light absorber disposed in an emitting light path of the second light.

Abstract: Disclosure includes a physiological monitoring sensor strip and a method for manufacturing the same, and a physiological monitoring mattress and a physiological monitoring system having the same. The physiological monitoring sensor strip includes: a first triboelectric layer and a second triboelectric layer in a stacked arrangement, between which a triboelectric interface is formed; an insulation layer wrapping the first triboelectric layer and wrapping the second triboelectric layer; an electric conduction shielding layer wrapping the first triboelectric layer, the second triboelectric layer, and the insulation layer; and a first extraction electrode and a second extraction electrode acting as outputting electrodes of the physiological monitoring sensor strip.

Abstract: A pneumatic sensor in an electronic cigarette, a device for processing airflow and an electronic cigarette are provided. The pneumatic sensor in the electronic cigarette includes a housing, defining a chamber and provided with a window at a top of the housing, an air inlet at a side wall of the housing, and at least one suction hole at a bottom of the housing, the window, the air inlet, and the suction hole all being communicated with the chamber; a vibrating film unit, disposed inside the housing and provided with a vibrating film capable of vibrating under airflow; and an electrode plate, acting as a signal outputting end of the pneumatic sensor in the electronic cigarette, and the vibrating film has a fixed end fixed to the vibrating film unit and a free end.

Abstract: The light emitting device includes a light emitting diode and an optical lens, the optical lens includes a light incidence surface and a light exit surface, the light incidence surface includes a first light incidence surface and a second light incidence surface, herein the ratios of the minimum ones to the maximum ones of the distances between respective points, on the first light incidence surface or the second light incidence surface, and the center of the light emission surface respectively belongs to [0.5, 0.7] or [0.683, 0.695]; and the convex surface includes a first light exit surface and a second light exit surface, herein the ratios of the minimum ones to the maximum ones of the distances between respective points, on the first light exit surface or the second light exit surface, and the center of the light emission surface respectively belongs to [0.771, 0.913], or [0.883, 0.921].

Abstract: Provided are a cerium-zirconium composite oxide, a preparation method therefor and application of a catalyst. The cerium-zirconium composite oxide has a composite phase structure, and comprises a cerium oxide phase and a cerium-zirconium solid solution phase, or consists of two or more cerium-zirconium solid solution phases with different crystal structures and different chemical compositions, wherein the chemical formula of the cerium-zirconium solid solution phase is CexZr1-x-yMyO2, where M is at least one selected from the group consisting of a rare earth element other than cerium, a transition metal element and an alkaline earth metal element, x is 15-85 mol %, and y is 0-20 mol %.

Abstract: The present invention discloses a pneumatic sensor, having an air intake and an air outlet. The pneumatic sensor includes a first triboelectric component, a shell, a second triboelectric component and a third triboelectric component, wherein the shell has a hollow structure in a preset shape to form an airflow channel, and the airflow channel is communicated with the air intake and the air outlet, thus allowing the airflow to enter the airflow channel from the air intake and flow out from the air outlet; the first triboelectric component is arranged in the airflow channel, and the second and the third triboelectric components are arranged at positions capable of contacting with the first triboelectric component; and the second and the third triboelectric components include electric signal output terminals of the pneumatic sensor.

Abstract: The light emitting device includes a light emitting diode and an optical lens, the optical lens includes a light incidence surface and a light exit surface, the light incidence surface includes a first light incidence surface and a second light incidence surface, herein the ratios of the minimum ones to the maximum ones of the distances between respective points, on the first light incidence surface or the second light incidence surface, and the center of the light emission surface respectively belongs to [0.5, 0.7] or [0.683, 0.695]; and the convex surface includes a first light exit surface and a second light exit surface, herein the ratios of the minimum ones to the maximum ones of the distances between respective points, on the first light exit surface or the second light exit surface, and the center of the light emission surface respectively belongs to [0.771, 0.913], or [0.883, 0.921].

Abstract: A system for scheduling mold manufacturing includes a number of user computers (1) connected with a server (3) by a network (2), a standard parameter database (5), and a task scheduling database (6). Each user computer includes a standard parameter setting module for setting standard parameters; a task scheduling module for analyzing and calculating a workload of each manufacturing unit and machine, generating a workload list, scheduling working procedures of mold manufacturing, simulating scheduling results, generating a schedule, and transmitting the schedule; a task tracking and feedback module for tracking and sending out feedback of current process and workloads of manufacturing units and machines, generating a work process list, and dynamically updating the workload list. A related method is also disclosed.

Abstract: A system for scheduling mold manufacturing includes a number of user computers (1) connected with a server (3) by a network (2), a standard parameter database (5), and a task scheduling database (6). Each user computer includes a standard parameter setting module for setting standard parameters; a task scheduling module for analyzing and calculating a workload of each manufacturing unit and machine, generating a workload list, scheduling working procedures of mold manufacturing, simulating scheduling results, generating a schedule, and transmitting the schedule; a task tracking and feedback module for tracking and sending out feedback of current process and workloads of manufacturing units and machines, generating a work process list, and dynamically updating the workload list. A related method is also disclosed.