Abstract: The present invention discloses a plate-fin structure EGR cooler with heat-insulation function includes shell. The two ends of the shell are equipped with an air inlet flange and a discharge chamber. A water inlet pipe and a water outlet pipe are set on the shell near the air inlet flange and the discharge chamber. A cooling core assembly, an air chamber and a bellow are set in the shell. The main board at one end of the cooling core assembly is connected to the shell and the discharge chamber and the main board at another end is connected to one end of the air chamber. The other end of the air chamber is connected to one end of the bellow. The other end of the bellow is connected to the shell and the air inlet flange. A heat-insulating pipe connected to the air inlet flange is set within the bellow.

Abstract: An optical film including a substrate and a first material layer is provided. The first material layer includes a plurality of first optical structures and a plurality of first auxiliary optical structures. Each of the first optical structures includes a first base portion and a first rounded portion. The first base portion has a first bottom surface connected to the substrate and a first top surface opposite to the first bottom surface. The first rounded portion is disposed on the first top surface, and the first rounded portion has a first arc surface. Each of the first auxiliary optical structures has a first auxiliary arc surface. The first optical structures and the first auxiliary optical structures extend along a first extending direction and being alternately arranged on the substrate in an arranging direction perpendicular to the first extending direction.

Abstract: Methods and systems for an analog-to-digital converter with near-constant common mode voltage may comprise, in an analog-to-digital converter (ADC) having sampling switches on each of two input lines to the ADC, N double-sided and M single-sided switched capacitors on each input line: sampling an input voltage by closing the sampling switches, opening the sampling switches and comparing voltage levels between the input lines, iteratively switching the double-sided switched capacitors between a reference voltage (Vref) and ground, and iteratively switching the single-sided switched capacitors between ground and voltages that may equal Vref/2x where x ranges from 0 to m?1 and m is a number of single-sided switched capacitors per input line. A common mode offset of the ADC may be less than VADC—fs/128 +VADC—fs/256+VADC—fs/512+VADC—fs/1024 when m equals 4 and where VADC—fs is the full-scale voltage of the ADC.

Abstract: A wellbore perforating device includes at least one perforating charge and an initiator. The initiator can include a ballistic train adapted to fire the at least one perforating charge. The ballistic train can include a detonator and a detonator cord. A ballistic interrupt shutter can be disposed between the detonator and the detonator cord. The ballistic interrupt shutter can prevent firing of the detonator cord.

Abstract: The invention provides discloses a method for data synchronization in a content delivery network. The method includes: a data synchronization client requesting a data synchronization processing manager for obtaining a belonged data synchronization processing agent, establishing a heartbeat connection with the belonged synchronization processing agent to acquire operation status of the belonged data synchronization processing agent; and the data synchronization processing manager scanning a management side database, and if a synchronization task needing to be informed to the data synchronization client is scanned in the management side database, the data synchronization processing manager generating the synchronization task for the corresponding synchronization processing agent in an ability side database. The present invention also provides a system for data synchronization in a content delivery network, a data synchronization processing agent and a data synchronization processing manager.

Abstract: A maglev working table with six degrees of freedom comprises a pedestal (800), a rotation drive apparatus, a planar-motion apparatus, an angle measuring apparatus (500), and a displacement measuring apparatus. The displacement measuring apparatus comprises four direct-current motors (600) and four displacement measuring apparatus PSD assemblies. Under the effect of the rotation drive apparatus, a planar-motion apparatus coil array stator (200) axially connected to a rotation drive apparatus circular permanent-magnet array mover (300) rotates, so that a phase difference is formed between a planar-motion apparatus permanent-magnet array mover (100) and the planar-motion apparatus coil array stator, and then the maglev working table mover, namely, the planar-motion apparatus permanent-magnet array mover rotates at 360° in the horizontal plane.

Abstract: A method for measuring displacement of a large-range moving platform, comprising: arranging multiple beams of first measuring light parallel to one another and generated by an optical path distribution device and a position sensitive detector array in a certain manner, to ensure that at least one beam of first measuring light is detected by the position sensitive detector array when a moving platform is at any position of a moving area; a detection head array capable of determining whether a light beam is shaded being used for auxiliary measurement of a position of the moving platform; and determining a position of the moving platform that corresponds to the first measuring light measured by the position sensitive detector array, to calculate displacement of the moving platform. The method effectively enlarges a measurement range of the position sensitive detector array, and implements measurement of long range displacement of the moving platform.

Abstract: Provided is an integrated circuit (IC) manufacturing method. The method includes receiving a design layout of an IC, wherein the design layout includes a plurality of non-overlapping IC regions and each of the IC regions includes a same initial IC pattern. The method further includes dividing the IC regions into a plurality of groups based on a location effect analysis such that all IC regions in a respective one of the groups are to have substantially same location effect. The method further includes performing a correction to one IC region in each of the groups using a correction model that includes location effect; and copying the corrected IC region to other IC regions in the respective group. The method further includes storing the corrected IC design layout in a tangible computer-readable medium for use by a further IC process stage.

Abstract: An optical film includes a substrate, a plurality of first prism structures, and a plurality of second prism structures. The substrate includes a first surface and a second surface opposite thereto. The first prism structures are disposed on the first surface. Each of the first prism structures has plurality sets of first optical surfaces. The first optical surfaces belonging to the same set have the same absolute value of slope, and the first optical surfaces belonging to different sets have different absolute values of slopes, respectively. The second prism structures are disposed on the second surface. Each of the second prism structures has plurality sets of second optical surfaces. The second optical surfaces belonging to the same set have the same absolute value of slope, and the second optical surfaces belonging to different sets have different absolute values of slopes, respectively.

Abstract: A fan with integrated vibration absorbing structure includes a fan frame, a hub-blade assembly, and at least one vibration absorber. The fan frame includes a base and at least one side wall formed around the base, and the hub-blade assembly is arranged in the fan frame. The at least one vibration absorber is provided on the at least one side wall to project therefrom for absorbing vibration produced by the fan during the operation thereof. Therefore, with the vibration absorbers integrated into the fan frame, it is no longer necessary to provide any additional vibration-absorbing member while upgraded vibration-absorbing effect can be achieved. Meanwhile, the fan can be more conveniently mounted at reduced mounting cost.

Abstract: The present invention discloses an exhaust gas inlet structure of an exhaust gas recirculation (EGR) Cooler which includes a water shell, a gas inlet pipe, a bellow, an insulated pipe, an inlet chamber, a pre-cooling water chamber and a main board. The water shell is equipped with a water inlet pipe. Its main feature is the insulated pipe is placed within the bellow and connected with the gas inlet pipe at one end while the other end is suspended. The large-bore end of the inlet chamber is connected with the main board to form a gas inlet cavity while leaving a space to form a coolant channel between the joining part and the water shell. An external surface of a middle pipe body connects to the bellow to form a pre-cooling cavity connected to the coolant channel.

Abstract: A rotor for a wind/water power machine that can reduce fluid resistance. A rotor provided with a hub and blades. A projected plane perpendicular to a rotational center axis line of the rotor, front edges of the blades protrude, in at least one part, forward in the rotational direction of the rotor relative to a first line segment; front edge protruding tips thereof are disposed in positions separated outward in the radial direction of the rotor from the outer peripheral edge of the hub by a length 0.4 to 0.6 times the length of the blade; and portions of the front edges of the blades that extend from the ends on the inside in the radial direction of the rotor to the front edge protruding tips are curved or bent convexly, in at least one part, rearward in the rotational direction of the rotor relative to a second line segment.

Abstract: An optical thin film includes: a transparent substrate including a first surface and a second surface which is opposite to the first surface; a first light-condensing layer formed on the first surface of the transparent substrate, the first light-condensing layer having a haze value ranging from 5% to 30% and a surface roughness ranging from 0.1 RMS to 1 RMS; and a second light-condensing layer formed on the second surface of the transparent substrate. The second light-condensing layer has a haze value ranging from 70% to 100% and a surface roughness ranging from 1 RMS to 10 RMS.

Abstract: A miniaturized voltage-transforming device includes a first circuit board and a second circuit board parallel to and separated from each other by a predetermined distance so that there is no physical connection therebetween, and a transformer having a plurality of primary-side pins and a plurality of secondary-side pins, wherein the transformer is located beside the first circuit board and the second circuit board, and has its primary-side pins and secondary-side pins directly or indirectly connected to the first circuit board and the second circuit board physically, so that the transformer is electrically connected to the first circuit board and the second circuit board via the primary-side pins and the secondary-side pins.

Abstract: Described herein are devices and methods for preventing ventilator associated pneumonia following intubating a patient with an endotracheal tube (ETT). Secretions that accumulate in the trachea above the ETT cuff are wicked out of the patient.

Abstract: The disclosure provides a real-time wafer breakage detection method. The detection method includes the following operations. A wafer is positioned on a wafer holder of a process chamber in which a thermal process is being performed. Then, the temperature at the wafer holder is measured. And, a notification for corrective action is issued if the temperature is out of a predetermined alarm range.

Abstract: A method of manufacturing a semiconductor device includes performing a pre-amorphous implantation (PAI) process to form an amorphized region on a substrate. The method also includes forming a stress film over the substrate, and performing an annealing process to recrystallize the amorphized region after the stress film is formed. The method further includes forming a recess region on the substrate. The recess region overlies the recrystallized region. The method additionally includes forming an epitaxial stress-inducing material in the recess region.

Abstract: A serial fan assembling method includes the steps of providing a first and a second fan; providing a union member having a bottom panel and two side panels, which together define a receiving space having a top forming a first open side and two axially opposite ends respectively forming a second open side; connecting the first fan to the side panels of the union member via the first open side; and connecting the second fan to the side panels of the union member via the first open side, or connecting the second fan to the bottom panel of the union member via one of the second open sides, so that the first and the second fan connected to the union member are serially located in the receiving space and connected to each other.

Abstract: A fan serial connection structure includes a series fan assembly and a connection member assembly. The series fan assembly includes a first fan frame and a second fan frame serially connected with the first fan frame. The connection member assembly includes a first connection member and a second connection member. The first connection member has a first locating section and two first side sections respectively connected with two ends of the first locating section. The second connection member has a second locating section and two second side sections respectively connected with two ends of the second locating section. The first and second locating sections are respectively assembled and connected with two opposite sides of the series fan assembly in the serial connection position. The first and second side sections are respectively assembled and connected with two other opposite sides of the series fan assembly in the serial connection position.

Abstract: The invention discloses a unidirectional spray type fire extinguishing bomb without high explosive fragmentation, includes a housing, a fuse, an igniter, an fire extinguishing agent and a main charge, and further includes a tail braking device, combustor, a plate closure, a piston and a diffuser. The housing, the tail braking device and the piston are made of light metal materials; the housing is cylindrical; the tail braking device is arranged at the bottom of the housing and is fixed with the housing through a screw nail; and the fuse is arranged on the diffuser and is fixed through a screw nail. During working process, when the fuse detects the fire extinguishing bomb to be 5-10 meters far away from a combustion source, the igniter ignites the main charge, the piston is pushed under high pressure to move in the housing, and the fire extinguishing agent is sprayed out from spraying holes to the combustion source for fire extinguishing.