Abstract: A method for preparing 2-substituted arylacetonitrile compound of formula (1), in which a substituted aromatic compound of formula (2) and a 2-cyanocarboxylate compound of formula (3) are directly reacted in the presence of a base to obtain the 2-substituted arylacetonitrile compound (1), as shown in the following reaction scheme: An application of the compound of formula (1) in the preparation of a triazole fungicide is also provided.

Abstract: A cascade-based power dissipation optimization method and system for an amplification circuit are provided. The method includes: S1, acquiring a relationship of power dissipation of an amplification circuit to input signal amplitudes and voltage gains by means of statistical analysis; and S2, designing an optimal cascade strategy for the amplification circuit according to the relationship of the power dissipation of the amplification circuit to the input signal amplitudes and the voltage gains, and adjusting the number of stages of the amplification circuit and a voltage gain of each stage of the amplification circuit so as to minimize total power dissipation of the amplification circuit.

Abstract: A pressure resistant medical cable enclosure is provided, including a clamshell, a printed circuit board, and at least one overmold, wherein the clamshell is configured for assembly over the printed circuit board for a medical cable, one overmold provided at least partially around the clamshell layer with minimal overlap between the overmold and the printed circuit board in the vertical direction.

Abstract: A tiller including a walking element configured to move the tiller, a tine rotatable about a rotational axis; a first motor configured to drive the walking clement to move the tiller, and a counterweight, wherein the tine is disposed on a first side of the tiller and wherein the counterweight is disposed on a second side of the tiller opposite the first side.

Abstract: A Wavefront manipulator for arrangement in the beam path of a head-up display includes a holographic arrangement as sole aberration correction element. A wavefront manipulator can include a holographic arrangement for arrangement in the beam path of a head-up display between a picture generating unit and a projection surface. The holographic arrangement can be configured for arrangement as the sole aberration correction element between the picture generating unit and the projection surface.

Abstract: A digital control method is to accurately calculate the real-time addition amount of each dye in the solution replenishment system in the whole dyeing process based on the initial dyeing rate of each dye, and replenish the dye solution according to the real-time addition amount. A digital control system includes an automatic calculation K0,n value unit, a central processing unit and a replenishment pump. The automatic calculation K0,n value unit is composed of a dye solution concentration detection instrument, a sensor I and a BP neural network model. The BP neural network model is a BP neural network trained by a dye database. The automatic calculation K0,n value unit transmits the K0,n value to the central processing unit, calculates the replenishment amount through the central processing unit, and controls the replenishment pump to replenish the solution.

Abstract: A wireless conferencing system for wirelessly connecting a computerized device with a display device includes at least a data transmitter. The data transmitter includes a transmitter self-powered unit, a data transmission module electrically powered by the transmitter self-powered unit, and a computer interface communicatively lined to the data transmission module, wherein when the computer interface is configured for detachably connecting to the computerized device, the data transmission module is powered and ready for wirelessly transmitting data from the computerized device to the display device without consuming power of the computerized device.

Abstract: A burrowing apparatus may comprise an anterior segment and a posterior segment coupled by a linear actuator that is configured to extend and contract the distance between the anterior segment and the posterior segment to effectuate horizontal translation of the burrowing apparatus in a granular medium. The anterior segment may further comprise a conical tip. The conical tip may be configured to rotate relative to the anterior segment, and the conical tip may be an auger. The rotation of the conical tip while the linear actuator extends and contracts may create kinetic asymmetry that may be beneficial to the net horizontal translation in the granular medium. The burrowing apparatus may be advantageously used in applications, for example, in geotechnical subsurface investigation, extraterrestrial exploration, underground contamination detection, and precision agriculture.

Abstract: The disclosure provides a power semiconductor device and manufacturing method thereof. A plurality of second resistive field plate structures extending through an epitaxial layer in a first direction into a substrate are arranged in a termination region of the epitaxial layer and the plurality of second resistive field plate structures are arranged radially in a first plane. A plurality of tightly coupled second resistive field plates extending from a side close to a cell region to a side far away from the cell region form a more uniform three-dimensional electric field distribution diverging around the cell region, which optimizes a guiding and binding effect on a charge in a space depletion region of the cell region and improves a withstand voltage performance of the whole power semiconductor device.

Abstract: A system of communication using seismic wave creation and detection, and methods of use of the system are disclosed herein. A system of communication in a medium is applicable for underground applications, allowing the activation of drumming and vibrational sources to send seismic waves through a medium to communicate messages that are converted to binary code. A nearby receiver can detect the seismic waves and decode the data recorded in response to the seismic wave activity before decoding the message. This system of communication enables efficient communication in underground mediums.

Abstract: A holographic projection device includes a first volume hologram that deflects light from a useful light source to generate an image. Light which does not originate from the useful light source and strikes the first volume hologram at a predetermined solid angle deflects such that it is perceptible as unwanted interfering light. The projection device also includes a holographic filter which deflects the light which does not originate from the useful light source and would strike the first volume hologram at the predetermined solid angle, before the light strikes the first volume hologram, such that it is not perceptible as unwanted interfering light, and/or deflects the light which does not originate from the useful light source and strikes the first volume hologram at the predetermined solid angle, after the deflection by the first volume hologram, such that it is not perceptible as unwanted interfering light.

Abstract: An optical assembly for a head-up display on a projection surface includes an imaging device, which includes at least one imaging unit, and at least one wavefront manipulator arranged in a beam path between the imaging device and the projection surface. The optical assembly is configured to generate virtual depictions in at least two different image planes, wherein the imaging device has at least a first region and a second region, wherein the imaging device and the wavefront manipulator are configured, in combination, to generate virtual depictions in a first image plane out of images generated in the first region of the imaging device and to generate virtual depictions in a second image plane out of images generated in the second region of the imaging device.

Abstract: A wireless conferencing system for wirelessly connecting a computerized device with a display device includes at least a data transmitter. The data transmitter includes a transmitter self-powered unit, a data transmission module electrically powered by the transmitter self-powered unit, and a computer interface communicatively lined to the data transmission module, wherein when the computer interface is configured for detachably connecting to the computerized device, the data transmission module is powered and ready for wirelessly transmitting data from the computerized device to the display device without consuming power of the computerized device.

Abstract: In an embodiment of the disclosure, there is provided a handheld vision tester for vision self-testing by a user. The handheld vision tester comprises a touchscreen display, a control, and an interface port. The touchscreen display is configured to present different shapes, either statically or dynamically, to the user for the vision self-testing. One of the different shapes may be a modulated version of another similar shape displayed at the same time and includes a modulated edge. The control is configured to allow a user to trigger operations of the tester and allow the user to select one of the different shapes. The handheld vision tester is configured to determine results of the vision self-testing from the user selections and store the results in the handheld vision tester. The interface port is configured to transmit the stored results to a healthcare provider who uses the results to enhance treatment routines.

Abstract: A digital control method is to accurately calculate the real-time addition amount of each dye in the solution replenishment system in the whole dyeing process based on the initial dyeing rate of each dye, and replenish the dye solution according to the real-time addition amount. A digital control system includes an automatic calculation K0,n value unit, a central processing unit and a replenishment pump. The automatic calculation K0,n value unit is composed of a dye solution concentration detection instrument, a sensor I and a BP neural network model. The BP neural network model is a BP neural network trained by a dye database. The automatic calculation K0,n value unit transmits the K0,n value to the central processing unit, calculates the replenishment amount through the central processing unit, and controls the replenishment pump to replenish the solution.

Abstract: The present disclosure relates to an analog-to-digital conversion circuit comprising: N sampling and conversion modules connected in parallel, configured to simultaneously sample and sequentially convert first analog signals of N channels to output second analog signals, wherein each of the sampling and conversion modules includes a plurality of sampling capacitors connected in parallel, wherein N is an integer greater than 1; a comparator connected to the N sampling and conversion modules, configured to comparing the second analog signals respectively to obtain comparison signals; and a control module connected to the N sampling and conversion modules and the comparator, configured to control the N sampling and conversion modules to output converted digital signals based on the comparison signals.

Abstract: A wavefront manipulator for an arrangement in the beam path of a head-up display between a picture generating unit and a projection surface is provided. The wavefront manipulator includes a holographic arrangement including at least two holographic elements. The at least two holographic elements are arranged directly behind one another in the beam path and are configured to be reflective for at least one defined wavelength and a defined angle of incidence range.

Abstract: The disclosure provides a method of continuous dyeing with reactive dyes in wet conditions, the method including: 1) adding fabric to a mixture of a dye liquor and an alkali through a one-bath-one-step method; 2) immersing the fabric pretreated in 1) in a padding liquor with an air film horizontal pad dyeing machine; 3) preheating the fabric after being treated in 2) at a temperature of 50-90° C.; and 4) rolling and batching the fabric after being treated in 3) at a temperature of 10-70° C. for 2-72 hours.

Abstract: A joint-decision making system for a vehicle operator and a dispatcher is disclosed, comprising: a vehicle operator engine implemented on a vehicle system configured to: detect a trigger event condition; retrieve vehicle information relevant to the event trigger condition; receive additional information relevant to the event trigger condition; generate a suggested response based on the trigger event condition, retrieved vehicle information, and received additional information; display the suggested response on a graphical user interface of the vehicle operator engine; and transmit the trigger event condition, vehicle information, and suggested response to a dispatcher engine; and the dispatcher engine implemented on a ground system configured to: receive the event trigger condition, vehicle information, and suggested response from the vehicle operator engine; retrieve the additional information relevant to the event trigger condition; and display the suggested response on a graphical user interface of the dis

Abstract: A method for optimizing a mobile phone terminal based on a probability of an energy consumption-related interruption is disclosed. The method includes: S1. predicting a probability of an energy consumption-related interruption in real time; and S2. adjusting an operating frequency of a baseband chip of a mobile phone terminal according to the predicted probability of an energy consumption-related interruption.