70 results about "Negative mode" patented technology

Methods, systems and kits for the simultaneous or sequential analysis of one or more hormones by mass spectrometry are disclosed. The methods require minimal sample size and minimal preparation time. The methods include ionizing the hormones and analyzing the hormones by mass spectrometry. In addition, methods, systems and kits for the simultaneous or sequential analysis of thyroid hormones are disclosed including ionization of the thyroid hormones in the negative mode using an electrospray source.

This invention relates to one rare each permanent part pressing and shaping method and its magnetic adding device and taking device, wherein, the shaping method comprises the following steps: top head presses the material case into magnetic powder into mode; top and down heads unmoved and negative mode elevates to fill powder into magnetic field; top head and negative mode unmoved, the top head presses into magnetic part; the negative mode drops till whole magnetic part outside negative mode; the top head elevates to push pull bar into finally product area; the materials add devices comprises materials case and barrel with changeable height.

The invention discloses a WebShell file detection method in a Web server. The WebShell file detection method comprises the steps of performing detection respectively based on the reference, time and characteristic values; respectively calculating a reference detection weight, a time detection weight and a characteristic detection weight of a file to be detected by scanning; and then calculating a final weight so as to know whether the file to be detected is a normal file, a suspicious WebShell file or a confirmed WebShell file. The method to calculate the final detection weight comprises a low false alarm mode, a low false negative mode and a balanced mode. The WebShell file detection method is high in file scanning and detecting efficiency and can be used for quickly and accurately detecting the WebShell file in the server, thereby ensuring the security of the server.

The invention provides a method for rapid detection of multi-class pharmaceutical and personal care products and pesticides in water. The method includes: taking a to-be-detected water sample, and subjecting the to-be-detected water sample to pretreatment to obtain a to-be-detected sample; employing one or more groups of the following five groups of detection conditions for liquid chromatography-tandem mass spectrometry detection on the to-be-detected sample respectively so as to realize qualitative analysis and quantitative detection of multi-class pharmaceutical and personal care products and pesticides in the to-be-detected water sample: (a) the mobile phase is a formic acid-ammonium formate aqueous solution and acetonitrile, and the ionization mode is electrospray ionization positive mode; (b) the flow phase is a formic acid aqueous solution and acetonitrile, and the ionization mode is electrospray ionization positive mode; (c) the mobile phase is an acetic acid-ammonium acetate aqueous solution and acetonitrile, and the ionization mode is electrospray ionization negative mode; (d) the mobile phase is water and acetonitrile, and the ionization mode is electrospray ionization negative mode; and (e) the mobile phase is a formic acid-ammonium formate solution and acetonitrile, and the ionization mode is electrospray ionization positive mode.

A layered manufacturing method of a three-dimensional microfluidic porous scaffold comprises the following steps: simulating the microstructure of a real organ, manufacturing a resin die with a microfluidic structure copying a blood vessel system, copying a negative mode of the microfluidic structure with silicon rubber, filling the negative mode with solution of biological materials, moving the silicon rubber die upwards to enable the solution of biological materials to be contacted with an ultra-low temperature flat plate vertically, moving the silicon rubber die downwards to realize demolding of the frozen structure of the biological materials after solidification of solution of the biological materials, realizing precision interlayer orientation as well as freezing, condensation and forming of the three-dimensional microfluidic porous scaffold by repeatedly performing filling of the solution of biological materials and moving up and down of the silicon rubber die, obtaining the three-dimensional frozen structure of the biological materials, and vacuum freeze drying the ultra-low temperature flat plate and the three-dimensional frozen structure of the biological materials, and finally obtaining the scaffold of the biological materials with a three-dimensional microfluidic system and an oriented porous structure. The layered manufacturing method has the advantage of forming a three-dimensional organ scaffold with a complex space microfluidic system and the oriented porous structure directly.

The invention discloses a stirring-range-real-time-changing chemical enamel reaction kettle. The stirring-range-real-time-changing chemical enamel reaction kettle comprises a kettle body, a transmission device, a machine frame and a rotating shaft. The transmission device is fixed at the top end of the kettle body through the machine frame and connected with the rotating shaft located in the kettle body, a threaded section is arranged in the middle of the rotating shaft, a threaded sliding block is in threaded connection on the threaded section, a plurality of horizontal rods are evenly arranged on the side wall of the threaded sliding block, a first sleeve is fixedly connected on the inner side wall of the kettle body, and an annular groove is formed in the inner side wall of the first sleeve. The stirring-range-real-time-changing chemical enamel reaction kettle has the advantages that when the rotating shaft rotates in a positive-and-negative mode, the threaded sliding block matched with the rotating shaft can move up and down on the threaded section to drive the horizontal rod to move up and down in the annular groove accordingly; when the horizontal rod moves up and down to drive flow disturbing plates to move up and down, the disturbing plates have the flow disturbing effects on a reaction solution, through holes formed in the flow disturbing plates further improve the flow disturbing effect, mixing between reactants is more even, and the reaction effect is effectively improved.

A display device having a display matrix including a pixel border of width x and located around the edge locations of the matrix for improved viewability. In particular, the border can be several pixels wide, e.g., 1<x<5. In one embodiment, the border region is two pixels wide and surrounds a display region in which images are generated from a frame buffer memory. Both the border region and the display region are implemented using a negative mode passive display matrix using liquid crystal display (LCD) technology. The pixels of the border are controllable between an on state and an off state and have an adjustable threshold voltage level. In one embodiment, the display screen is a negative mode display in which the pixels are normally black when off. The pixel border is useful in providing contrast in display modes having a white background with black characters displayed therein.

The invention discloses a face identification method and apparatus, for improving the accuracy of face identification. The method comprises the following steps: determining a characteristic value of an LTP self-adaptive threshold of each pixel point in an image to be identified, wherein the self-adaptive threshold corresponding to each pixel point is determined by a gray scale difference between the pixel point and each pixel point in a neighborhood; according to the characteristic value of the LTP self-adaptive threshold, determining a positive-mode characteristic value and a negative-mode characteristic value; determining a positive-mode characteristic face and a negative-mode characteristic face, wherein the positive-mode characteristic face is composed of the positive-mode characteristic value of each pixel point, and the negative-mode characteristic face is composed of the negative-mode characteristic value of each pixel point; calculating a characteristic value histogram of each characteristic face and an information entropy weight of the characteristic face of each layer, and by use of the information entropy weights, performing weight cascading on the characteristic value histograms of the positive-mode and negative-mode characteristic faces to obtain an enhanced histogram; and calculating a chi-square distance between the enhanced histogram of the face image to be identified and the enhanced histogram of each face image with known identity, and according to the chi-square distance, determining an identification result.

The invention discloses a feed processing dryer capable of stirring in a positive and negative rotation mode. The feed processing dryer comprises a housing, a heating sleeve, a feeding hopper, a support base and a motor; at least two horizontal dispersion plates are fixedly installed on the upper portion of the interior of the housing, each dispersion plate is composed of a convex rib, a groove, a horizontal plate, a discharging hole and an inclined plate, and the convex rib of the upper dispersion plate corresponds to the groove of the lower dispersion plate; one end of a rack is connected with a half gear in a meshed mode; the other end of the rack is connected with a transmission gear in a meshed mode, a vertical transmission shaft is fixedly installed on a central shaft of the transmission gear, and the side wall of the transmission shaft is provided with a vertical air duct. According to the feed processing dryer capable of stirring in the positive and negative rotation mode, feed entering the dryer is evenly distributed in the shell through the arrangement of the dispersion plates, slowly falls down in a dispersed mode and is fully in contact with hot air flowing upwards, so that a certain drying effect is achieved; the transmission shaft is pushed by the half gear to rotate in a positive and negative mode, so that the air duct can safely and stably convey hot air into the interior.

The invention relates to a high-intensity offset print color plate manufacturing method. The high-intensity offset print color plate manufacturing method comprises the following steps of installing roller inner paper and corrugating base paper on a base paper support and aligning through a photoelectric sensing device; respectively heating through preheat wheels; feeding the corrugating base paper into a single side machine to enable adhesive to coat on the single side machine and enabling the corrugating base paper and the inner paper to be adhered to be single-side corrugated paper; humidifying steam atomized water and heating through the preheat wheels; feeding the corrugated paper into an overbridge conveyor and conveying forward along a straight line in a bridge conveying mode; cropping according to a specified size to form into single-sided corrugated board; transmitting the single-sided corrugated board to a gumming position; adhering the single-sided board after coating of the adhesive and the well printed color surface paper; storing the color corrugated boards through a turnover device in a positive and negative mode. The high-intensity offset print color plate manufacturing method effectively controls the paper moisture, improves the board intensity and improves the physical index by 20% compared with a traditional process paper box; die cutting can be directly performed on a well press fit paper board and the production efficiency is high.

The invention discloses a fast and sensitive method for detecting trace amounts of dimethicone and dimethicin sodium salt. The ion mobility spectrometry technology is used as the basic detection technology, and a poison detector is used as a detection means to study the simultaneous detection of dimethicin and dimethicin in positive and negative ion modes. Dimethine salt sample. At the same time, without any complicated sample pretreatment, it can directly detect the diquat sodium salt in coffee, cola, apple juice and other beverages. The measurement method is simple, fast and reliable. The measurement time is only 0.5min, and the detection limit can reach 50ppb respectively. The minimum detectable amount of diphamate sodium in different beverages is about 1ng, and adult oral administration of 0.06-0.25g of diphacin sodium can cause poisoning, and this amount can be accurately detected by ion mobility spectrometry poison detector. Based on the application research requirements of forensic science, the software-controlled instrument can implement an alarm mode according to the strength of the poison detection signal.

The invention relates to a pesticide spraying device, in particular to an efficient pesticide spraying device for agriculture. The efficient pesticide spraying device for agriculture is small in labor strength, good in spraying effect and not prone to pesticide poisoning. The efficient pesticide spraying device for agriculture in the technical scheme comprises a cart and the like; a liquid spraying device is arranged on the left side of the top of the cart, a support is vertically installed on the right side of the top of the cart in a bolt-connection mode, a rotating device is arranged at the upper potion of the support, and a liquid spraying part of the liquid spraying device is connected to a rotating part of the rotating device. According to the efficient pesticide spraying device for agriculture, the angle of a spraying head is easy to adjust; in other words, the angle of pesticide spraying is easy to adjust, spraying work of pesticide is convenient, the spraying head alternatively sprays pesticide in a positive-and-negative mode, and the pesticide spraying effect is quite high.

The invention provides a leakage defect detection method. According to the method, a first voltage contrast image with high-definition BVC is obtained by means of voltage contrast detection in a positive mode, a potential leakage defect position in a semiconductor sample is captured, then a second voltage contrast image is obtained by scanning the position of the BVC again by means of voltage contrast detection in a negative mode, the BVC is screened by means of the DVC of the second voltage contrast image so that accurate BVC classification can be achieved, and a high-purity high-risk leakage defect is obtained.

A microwave cavity filter is configured for operation in the dual TE_22N mode to realize a very high Q factor at very high frequency ranges. The microwave filter is formed from using one or more cylindrical cavities in which two orthogonal field polarizations of the TE_22N mode are excited and coupled together by means of a coupling element. Different combinations of inter-cavity irises provide for both direct and cross-coupling of aligned field polarizations in adjacent cavities, as required, to realize complex filter functions. The irises may be formed in either a side or end wall of the cavities for both collinear and planar mount configuration. Negative mode coupling also allows for transmission zeros to be realized on either side of the filter passband.

The present invention concerns a method of detecting the antifungal cyclic hexapeptides Pneumocandin B0 and/or Pneumocandin C0 specific fragment is/are detected using MS in negative mode.

The invention provides a massage type ventilating seat. The massage type ventilating seat comprises a seat back and a seat base. A pair of rotating shafts are arranged on the upper side and the lower side of the seat back, and a conveyor-belt type annular air bag is arranged on the rotating shafts in a stretching mode and is made of non-breathable elastic fabric, the surface, facing the back of the human body, of the annular air bag is provided with a transverse air hole band formed by air holes in an arraying mode, and a flexible mesh plate which is connected with the seat back and provided with the smooth surface is arranged in front of the surface, facing the back of the human body, of the annular air bag. The rotating shafts are driven by a stepping motor which continuously and alternately rotates in a positive and negative mode. The surface, making contact with the annular air bag, of the seat back is smooth. An air sac is arranged on the seat base, and air holes are formed in the upper surface of the air bag. The annular air bag and the air sac are connected to an air pump through ventilation pipelines. The massage type ventilating seat can achieve the ventilation function and the massage function simultaneously, and is simple in structure and low in cost.

A display unit is constituted by a passive matrix of independently controllable pixels characterized by an active area of n rows and m columns of discrete pixels and a pixel border. The pixel border has a predetermined width, in one embodiment two pixels. The border pixel color state is controlled herein by the frame buffer memory. The pixel border color state is controlled to correspond to information contained in a frame buffer memory locus. This locus may be, in various embodiments herein, a single pixel, a row of pixels, or a number of rows of pixels of frame buffer memory. Each row of pixels may be equal to m and/or n. In one embodiment, the frame buffer controls the border pixels directly via a liquid crystal display controller and drivers, without a timing generation mechanism, such as a timing ASIC.

An electrostatic discharge (ESD) power clamp circuit including a RC-delay element coupled to a plurality of serialized inverter elements with a power clamp element and an ESD-triggered keeper device coupled to the plurality of inverters. During negative mode ESD events, the ESD-triggered keeper device is activated and assists the power clamp element to pull up and strongly conduct current to protect the circuit. Additionally, a method of ESD protection in a circuit is provided. The method includes coupling a RC-delay element to an input of a plurality of serialized inverter elements, coupling an output of the plurality of serialized inverters with an ESD-triggered keeper device and a power clamp element, triggering the ESD-triggered keeper device to turn on during negative ESD events and conducting current by the power clamp element with assistance of the ESD-triggered keeper device to protect the circuit as a result of negative ESD events.

The present invention provides a cross-language query post-translation consequent extension method based on complete weighted positive and negative mode. The method comprises: firstly, translating a source language query into a target language query and searching a target language document for the target language query, and extracting the preliminarily searched document and constructing a preliminarily searched related document set after related determination of a user; then, by adopting a positive and negative association mode mining technology based on a support-association-enhancement-confidence evaluation framework and oriented to cross-language query extension, mining the preliminarily searched related document set for a feature word positive and negative association rule mode containing a query word item, and constructing a feature word positive and negative association rule library; and extracting a complete weighted positive and negative association rule mode whose rule antecedent is the query word item from the library, and using a positive association rule consequent feature word as a candidate extension word and a negative association rule consequent feature word as a negative extension word, and removing the negative extension word from the candidate extension word to obtain a final consequent extension word for realizing cross-language query post-translation consequent extension. The method provided by the present invention can improve cross-language information retrieval performance and has higher application value and better market prospect.