Abstract: A method and a kit for detecting Mycobacterium tuberculosis are provided. The method includes a step of performing a nested qPCR assay to a specimen. The nested qPCR assay includes a first round of amplification using external primers and a second round of amplification using internal primers and a probe. The external primers have sequences of SEQ ID NOs. 1 and 2, and the internal primers and the probe have sequences of SEQ ID NOs. 3 to 5.

Abstract: A fan module includes a hub, a plurality of fan blades, and a ring frame. The hub is configured to rotate about a central axis. The plurality of fan blades surround the hub. Each of the plurality of fan blades includes a first end portion connected to the hub and a second end portion opposite to the first end portion. The ring frame is connected to the second end portion of each of the plurality of fan blades. The ring frame includes a first surface facing the plurality of fan blades and a second surface opposite to the first surface, and the first surface is a curved surface.

Abstract: An antenna device includes a first insulation layer, a defected metal layer, a second insulation layer, and a plurality of radiators. The defected metal layer is disposed on the first insulation layer, and the defected metal layer has a plurality of recess features which are arranged with uniform pitches. The second insulation layer is disposed on the first insulation layer and the defected metal layer. The radiators are disposed on the second insulation layer, and each radiator has a feeding portion and a grounding portion.

Abstract: The present disclosure provides an antenna system, which includes a defected ground structure board and an antenna structure board. The defected ground structure board includes a first insulating plate and a defected ground structure layer, and the defected ground structure layer is disposed on the first insulating plate. The antenna structure board is disposed on the defected ground structure board. The antenna structure board includes at least one antenna body and a second insulating plate, the at least one antenna body is disposed on the second insulating plate, and the second insulating plate is disposed on the defected ground structure layer.

Abstract: An apparatus for producing silicon carbide crystal is provided and includes a composite structure formed by a plurality of graphite layers and silicon carbide seed crystals, wherein a density or thickness of each layer of graphite is gradually adjusted to reduce a difference of a thermal expansion coefficient and Young's modulus between the graphite layers and silicon carbide. The composite structure can be stabilized on a top portion or an upper cover of a crucible made of graphite, thereby preventing the silicon carbide crystal from falling off.

Abstract: The present disclosure provides an apparatus for a lithography process in accordance with some embodiments. The apparatus includes a pellicle membrane, a pellicle frame including a material selected from the group consisting of boron nitride (BN), boron carbide (BC), and a combination thereof, a mask, a first adhesive layer that secures the pellicle membrane to the pellicle frame, and a second adhesive layer that secures the pellicle frame to the mask.

Abstract: A photographing optical lens assembly includes, in order from an object side to an image side along an optical axis, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element has positive refractive power. The second lens element has negative refractive power. The third lens element has an object-side surface being convex in a paraxial region thereof.

Abstract: The disclosure provides a fan control method, applied to an electronic device. The electronic device includes a fan and a setting unit, the setting unit having a plurality of setting values, and each setting value being corresponding to a sampling number. The fan control method includes: continuously detecting a temperature of a heat source to obtain a plurality of temperature values; selecting one of the plurality of setting values based on variations of the temperature values; acquiring a value set from the temperature values based on the sampling number corresponding to the selected setting value, and generating an updated temperature value based on the value set; and controlling rotation of the fan based on the updated temperature value.

Abstract: The disclosure provides a centrifugal fan including a housing and a blade module. The housing includes a lower cover, a side wall, and an upper cover. Two ends of the side wall are respectively connected to the lower cover and the upper cover to define an internal space. The lower cover includes a plurality of lower air inlets. The blade module is arranged in the internal space, and includes a hub and a plurality of blades. The hub is rotatably arranged on the lower cover. The blades are arranged around the hub. The lower air inlets are located on the periphery of the hub, and each lower air inlet includes an outer edge relative to a rotational axis of the hub. At least one of two ends of at least one of the lower air inlets includes a protruding portion at a position corresponding to the outer edge.

Abstract: Provided is a centrifugal fan. The centrifugal fan includes an air inlet, a shaft, and a plurality of blades. The blades are arranged around the shaft. Each of the blades includes an air guiding portion on a side of the blade facing the air inlet. The air guiding portion includes a first curve and a second curve. An air inflow channel is formed between the first curve and the second curve of two adjacent air guiding portions respectively. A width of the air inflow channel is expanded in a direction away from the air inlet according to an expanding ratio.

Abstract: A fan control system includes a fan, a first temperature sensor, a calculating unit, a logic controller, and a memory unit. The first temperature sensor continuously senses temperatures of a device during a time period, in order to obtain a plurality of sampled temperatures. The calculating unit selects N1 latest sampled temperatures and N2 latest sampled temperatures from the sampled temperatures, and calculates a first average temperature according to the N1 sampled temperatures and a second average temperature according to the N2 sampled temperatures. N1 and N2 are positive integers. The logic controller is configured to select one of the first average temperature and the second average temperature to output as a compensation temperature. The memory unit is configured to store an operating table, and configured to output a rotational speed control signal to the fan corresponding to the operating table according to the compensation temperature.

Abstract: Provided is a centrifugal fan. The centrifugal fan includes an air inlet, a shaft, and a plurality of blades. The blades are arranged around the shaft. Each of the blades includes an air guiding portion on a side of the blade facing the air inlet. The air guiding portion includes a first curve and a second curve. An air inflow channel is formed between the first curve and the second curve of two adjacent air guiding portions respectively. A width of the air inflow channel is expanded in a direction away from the air inlet according to an expanding ratio.

Abstract: A centrifugal fan includes a housing and an impeller. The housing includes a sidewall, and the sidewall includes a tongue portion. The impeller includes a fan hub and a plurality of blades. The fan hub is rotatably disposed in the housing, and the tongue portion has an inner contour line on a reference plane. The blades connect to the fan hub. Each one of the blades has an end surface facing the sidewall. The end surface has an outer contour line on the section of the blade. Any two adjacent blades have different outer contour lines. The outer contour line of at least one first blade of the plurality of blades is parallel to the inner contour line. The outer contour line of at least one second blade of the plurality of blades is not parallel to the inner contour line.

Abstract: The disclosure provides a fan control method, applied to an electronic device. The electronic device includes a fan and a setting unit, the setting unit having a plurality of setting values, and each setting value being corresponding to a sampling number. The fan control method includes: continuously detecting a temperature of a heat source to obtain a plurality of temperature values; selecting one of the plurality of setting values based on variations of the temperature values; acquiring a value set from the temperature values based on the sampling number corresponding to the selected setting value, and generating an updated temperature value based on the value set; and controlling rotation of the fan based on the updated temperature value.

Abstract: A fan module includes a hub, a first body and a second body. The hub is configured to rotate along a central axis. The first body is connected to an outer wall of the hub. The second body is sleeved on the outer wall of the hub. The second body includes a plurality of ribs. The ribs are disposed on an inner wall of the second body and abut against the outer wall of the hub.

Abstract: A heat transfer device is provided. The heat transfer device includes a first heat conduction sheet and a second heat conduction sheet. The first heat conduction sheet includes two first rigid parts and a first bendable part connected between the two first rigid parts. The second heat conduction sheet includes two second rigid parts and a second bendable part connected between the two second rigid parts. The two first rigid parts are thermally coupled to the two second rigid parts, respectively. The first bendable portion includes a nonlinear section.

Abstract: This disclosure provides a fan, including a first case, a second case, and a reset mechanism. The first case includes a first side wall, where the first side wall has a first guide portion. The second case includes a second side wall, where the second side wall has a second guide portion. The first guide portion and the second guide portion are slidably joined and are configured to enable the first case and the second case to move toward or away from each other. The reset mechanism is connected to the first case and is configured to push the second case to move away from the first case.

Abstract: A centrifugal fan is provided. The centrifugal fan includes a shaft and a plurality of blades. The blades is disposed on the shaft and surround the shaft, and outer edges of the blades define a circle. The circle includes an outer region adjacent to a boundary of the circle, each of the blades includes a first contour line and a second contour line within the outer region, and the neighboring blades include an air channel therebetween, which expands toward the outer edges of the blades according to an interval expanding ratio.

Abstract: A centrifugal fan includes a housing, a hub and a plurality of blade sets. The housing includes an air outlet and at least one air inlet. The hub is rotatably disposed in the housing. The plurality of blade sets is arranged around the hub at intervals, and each of the blade sets includes at least three blades with different shapes.

Abstract: A fan control system includes a fan, a first temperature sensor, a calculating unit, a logic controller, and a memory unit. The first temperature sensor continuously senses temperatures of a device during a time period, in order to obtain a plurality of sampled temperatures. The calculating unit selects N1 latest sampled temperatures and N2 latest sampled temperatures from the sampled temperatures, and calculates a first average temperature according to the N1 sampled temperatures and a second average temperature according to the N2 sampled temperatures. N1 and N2 are positive integers. The logic controller is configured to select one of the first average temperature and the second average temperature to output as a compensation temperature. The memory unit is configured to store an operating table, and configured to output a rotational speed control signal to the fan corresponding to the operating table according to the compensation temperature.