SYNTHESIS OF 4 (Z) - (4-BROM PHENYL) (ETHOXYIMINO) METHYL) - 1 ' - 2,4-DIMETHYL-1 OXIDO-3-PYRIDINYL) CARBONYL) - 4 ' - METHYL-1,4' BISPIPERIDIN

SYNTHESE VON 4-(Z)-(4-BROM PHENYL)(ETHOXYIMINO)METHYL]-1'- 2,4-DIMETHYL-1-OXIDO-3-PYRIDINYL)CARBONYL]-4'-METHYL-1,4'-BISPIPERIDIN

Control method for power adapter of LED lamp without electrolysis capacitor

The present invention adopts digital method to control regulated voltage needed by LED, value of constant current power supply of constant current, adopts singlechip software method to generate multiphase high frequency square-wave pulse, uses a plurality of groups of high frequency square-wave pulses to respectively control the ''ON'' and ''OFF'' of multiphase power electronic switch so as to realize to use the active method of multiphase high frequency rectification to repress ripple, uses high frequency rectification, especially the multiphase high frequency rectification and waveform ninety degrees electrical angle phase shifter to shift the peak and fill the valley, uses active power electronic method to replace the traditional energy storage electrolytic capacitor, uses digital method to provide regulated voltage needed by LED, constant current power supply of constant current, uses the active method of multiphase high frequency rectification to repress the control method of the ripple ...

Electronic ballast for high-pressure discharge lamp

The invention relates to an electronic ballast of a high-pressure gas discharge lamp, which belongs to the field of photoelectric lighting technology. The electronic ballast comprises a filter circuit, and also comprises a microprocessor and first to fourth bidirectional switch circuits; two output ends of the filter circuit are respectively connected with one end of the high-pressure gas discharge lamp via a current-limiting inductance by the first bidirectional switch circuit and the third bidirectional switch circuit; the two output ends of the filter circuit are also connected with the other end of the high-pressure gas discharge lamp by the second bidirectional switch circuit and the fourth bidirectional switch circuit; a control output end of the microprocessor is respectively connected with controlled ends of the first to the fourth bidirectional switch circuits by an insulation drive circuit for conducting the first to the fourth bidirectional switch circuits with a preset conduction ...

Method of high-frame-rate motioning object three-dimensional measurement

The invention discloses a method of high-frame-rate motioning object three-dimensional measurement. The method comprises three steps of: synchronously acquiring high-frame-rate projection and images, encoding and decoding Gray codes by using a continuous encoding and decoding algorithm, and performing a motion compensation algorithm based on the Gray codes. By using fast and programmable image mode technology based on DMD technology, high-frame-rate vision and high-frame-rate projection are introduced into motioning object three-dimensional measurement in order to achieve thousand-frame encoding structural light image projection and acquisition. In a continuous projection and image acquisition process, a measured objected can be encoded and decoded when each frame of projected image is obtained. Finally, a bias estimation compensating algorithm is performed through known object motion speed or the motion speed information of the measured object in a measured horizontal plane acquired based ...

SYNTHESE VON 4-(Z)-(4-BROM PHENYL)(ETHOXYIMINO)METHYL]-1'- 2,4-DIMETHYL-1-OXIDO-3-PYRIDINYL)CARBONYL]-4'-METHYL-1,4'-BISPIPERIDIN

Rail transit operation and maintenance data transmission method and device based on unmanned inspection

The invention provides a rail transit operation and maintenance data transmission method and device based on unmanned inspection, and the method comprises the steps: carrying out the inspection through unmanned inspection equipment, and collecting the rail transit operation and maintenance data; distortion correction is carried out on the collected rail transit operation and maintenance data; performing similarity calculation on the rail transit operation and maintenance data subjected to distortion correction at the same position, and performing data fusion based on a similarity calculation result to obtain fused data; performing source coding on the fusion data, and performing channel coding on the fusion data subjected to the source coding to obtain data to be transmitted; and performing orthogonal frequency division multiplexing modulation on the to-be-transmitted data to obtain modulation data and transmitting the modulation data. The data transmission efficiency can be improved.

Electronic ballast for high-pressure discharge lamp

The invention relates to an electronic ballast of a high-pressure gas discharge lamp, which belongs to the field of photoelectric lighting technology. The electronic ballast comprises a filter circuit, and also comprises a microprocessor and first to fourth bidirectional switch circuits; two output ends of the filter circuit are respectively connected with one end of the high-pressure gas discharge lamp via a current-limiting inductance by the first bidirectional switch circuit and the third bidirectional switch circuit; the two output ends of the filter circuit are also connected with the other end of the high-pressure gas discharge lamp by the second bidirectional switch circuit and the fourth bidirectional switch circuit; a control output end of the microprocessor is respectively connected with controlled ends of the first to the fourth bidirectional switch circuits by an insulation drive circuit for conducting the first to the fourth bidirectional switch circuits with a preset conduction ...

Piezoelectric ceramic electric ballast

The invention relates to an electronic ballast of piezoelectric ceramic, which belongs to the technical field of switch power supply. The electronic ballast comprises piezoelectric ceramic; the two input terminals of piezoelectric ceramic are connected with the AC supply of pre-set frequency; a resonance starting circuit composed of serially-connected inductance elements and capacitance elements is connected between the two output ends of the piezoelectric ceramic; the two ends of the capacitance elements are respectively connected with a first lamp connecting terminal (M) and a second connecting terminal (N) of a gas discharge lamp and lantern. The invention adopts a feasible technical proposal where the piezoelectric ceramic is used for achieving the functions of the ballast; the piezoelectric ceramic not only has the advantages of high reliability and high temperature resistance, but also effectively decreases the pre-stage and last stage electromagnetic interference by an electrical ...

Multi-phase electromagnetic induction no-pole fluorescent tube

The invention provides a multiphase electromagnetic induction electrodeless fluorescent lamp, comprising a high frequency multiphase current generation and controlling device, high frequency electromagnetic coupling coils, a fluorescent lamp and closed tubes of the fluorescent lamp, wherein, the high frequency multiphase current generation and controlling device is of the high frequency three phase or the multiphase of which the number of phases is more than three; the number of the high frequency electromagnetic coupling coils, the number of the excitation closed tubes of a fluorescent lamp and the number of the phases of the high frequency multiphase current generation and controlling device are the same; each excitation closed tube of the fluorescent lamp is provided outside with a single phase high frequency electromagnetic coupling coil. The multiphase electromagnetic induction electrodeless fluorescent lamp has the advantages of simple structure and reliable performance; moreover, ...

Synthesis of 4-[(z)-4-bromophenyl)(ethoxyimino) methyl]-1'-[(2, 4-dimethyl-1-oxido-3-pyridinyl)carbonyl]-4'-methyl-1, 4-'bipiperidine

Control method for electronic ballast of HID light without electrolytic capacitor

The invention provides a method for controlling an electronic ballast which is matched with a HID light and has no electrolytic capacitor, the technical proposal adopts a single chip microcomputer software, to generate a multiphase high-frequency wave pulse packet, a plurality of groups of high-frequency square wave impulse with different phases are used to respectively control the and the of a multi-phase electronic power electronic switch, and to realize an active method for restraining dc bus ripple by using active power differential electric energy to substitute the traditional method of restraining the dc bus ripple through by using passive electrolytic capacitor storage charge through realizing a multi-phase high frequency APFC (active power factor Correction) method. Bu adopting the technical proposal, the reliability of the HID light electronic ballast is greatly improved, and the performance price ratio surpasses the traditional HIG light electronic ballast with electrolytic ...

Piezoelectric ceramic electric ballast

The invention relates to a piezoelectric ceramics electronic ballast, which belongs to the switch power supply technical field. The ballast comprises piezoelectric ceramics two input ends of which are connected with an AC power supply with a pre-set frequency; a resonance starting circuit composed of a inductor component and an capacitor component which are connected in series is arranged between two output ends of the piezoelectric ceramics; a first connecting end (M) and a second lamp connecting end (N) are respectively led out of two ends of the capacitor component. The invention has a feasible technical proposal, the piezoelectric ceramics contributing to the realization of the function of the ballast, the piezoelectric ceramics having high reliability and high temperature resistance, the pre-drive being electrically isolated from the final stage of load, and the electromagnetic interference between the pre-drive and the final stage of load being effectively reduce, and also the whole ...

Rail transit operation and maintenance data acquisition method and device based on unmanned inspection

The invention provides a rail transit operation and maintenance data acquisition method and device based on unmanned inspection, and the method comprises the steps: arranging unmanned inspection equipment at a rail side, and setting a hook in the unmanned inspection equipment; mounting a Berkley data packet filter on the set hook, and setting a server identifier and an extensible markup language data packet optimization strategy in the Berkley data packet filter; triggering the hook according to a preset acquisition period so as to enable a Berkley data packet filter application program mounted on the hook to run, and acquiring rail transit operation and maintenance data from a server corresponding to the set server identifier according to the extensible markup language data packet optimization strategy; and uploading the acquired rail transit operation and maintenance data to the relay equipment in a multi-path transmission mode, so that the relay equipment receives the multi-path transmitted ...

Control method for electronic ballast of HID light without electrolytic capacitor

The invention provides a method for controlling an electronic ballast which is matched with a HID light and has no electrolytic capacitor, the technical proposal adopts a single chip microcomputer software, to generate a multiphase high-frequency wave pulse packet, a plurality of groups of high-frequency square wave impulse with different phases are used to respectively control the and the of a multi-phase electronic power electronic switch, and to realize an active method for restraining dc bus ripple by using active power differential electric energy to substitute the traditionalmethod of restraining the dc bus ripple through by using passive electrolytic capacitor storage charge through realizing a multi-phase high frequency APFC (active power factor Correction) method. Bu adopting the technical proposal, the reliability of the HID light electronic ballast is greatly improved, and the performance price ratio surpasses the traditional HIG light electronic ballast with electrolytic ...

Multi-phase electromagnetic induction no-pole fluorescent tube

The invention provides a multiphase electromagnetic induction electrodeless fluorescent lamp, comprising a high frequency multiphase current generation and controlling device, high frequency electromagnetic coupling coils, a fluorescent lamp and closed tubes of the fluorescent lamp, wherein, the high frequency multiphase current generation and controlling device is of the high frequency three phase or the multiphase of which the number of phases is more than three; the number of the high frequency electromagnetic coupling coils, the number of the excitation closed tubes of a fluorescent lamp and the number of the phases of the high frequency multiphase current generation and controlling device are the same; each excitation closed tube of the fluorescent lamp is provided outside with a single phase high frequency electromagnetic coupling coil. The multiphase electromagnetic induction electrodeless fluorescent lamp has the advantages of simple structure and reliable performance; moreover, ...

H.264/AVC compressed-domain video watermark embedding and extracting method

The invention discloses an H.264/AVC compressed-domain video watermark embedding and extracting method. Binaryzation is conducted on watermark images, and binary watermark information is obtained through Arnold transformation; compressed encoding is conducted on original video by using an H.264/AVC encoder, 16 4*4 luminance blocks of each macro block are extracted out according to the H.264/AVC video encoding standard, and integer discrete cosine transformation is conducted on each 4*4 luminance block; according to the coefficient of each 4*4 luminance block obtained after integer discrete cosine transformation, each 4*4 luminance block is divided into a texture block body and a non-texture block body; according to the binary watermark information, the local energy difference of each macro block is modulated; entropy encoding is conducted on the 4*4 luminance blocks obtained after binary watermarks are embedded to obtain video streaming with the watermarks. According to the H.264/AVC compressed-domain ...

Synthesis of 4-[(Z)-(4-bromophenyl)(ethoxyimino)methyl]-1'-[(2,4-dimethyl-1-oxido-3-pyridinyl)carbonyl]-4'-methyl-1,4'-bipiperidine

In one embodiment, the present invention describes the synthesis of 4-[(Z)-(4-bromophenyl)(ethoxyimino)methyl]-1'-[(2,4-dimethyl-1-oxido-3-pyridinyl)carbonyl]-4'-methyl-1,4'-bipiperidine, and intermediates therefor from easily available starting materials by a simple route.

Visible light and two mesh intelligence all -in -ones of infrared thermal imaging

The utility model discloses a visible light and two mesh intelligence all -in -ones of infrared thermal imaging, it includes infrared optical system, infrared detector, processing module, visible optical system, visible light sensor, data collection station. Processing module adopts the intelligent treatment facility of integration. Infrared detector acquires infrared video data through infrared optical system, and visible light sensor acquires visible light video data through visible optical system. The infrared video data of data collection station synchronous sampling and this two way video data of visible light video data to the conveying is gone into processing module and is realized output. The utility model discloses an infrared optical system realizes the infrared thermal imaging, still realizes the formation of image of high definition visible light through visible light sensor, accomplishes obtaining of double mode information, and functions such as the data acquisition of image ...

Noise-resistant assemblies

Described herein are noise-resistant assemblies pursuant to various commercial and industrial applications. The noise-resistant assemblies can include duct assemblies, pool assemblies, motor assemblies, carpet flooring assemblies, and roofing assemblies. These assemblies incorporate an acoustic article containing a porous layer and a heterogeneous filler having a median particle size of from 1 micrometer to 1000 micrometers and a specific surface area of from 0.1 m 2 /g to 10,000 m 2 /g received in the porous layer.

Synthesis of 4-[(Z)-4-bromophenyl)(ethoxyimino) methyl]-1'-[(2,4-dimethyl-1-oxido-3-pyridinyl)carbonyl]-4'-methyl-1,4-'bipiperidine

In one embodiment, the present invention describes the synthesis of 4-[(Z)-(4-bromophenyl)(ethoxyimino)methyl]-1′-[(2,4-dimethyl-1-oxido-3-pyridinyl)carbonyl]-4′-methyl-1,4′-bipiperidine, and intermediates therefor from easily available starting materials by a simple route.

Synthesis of 4- (z)-(4-bromophenyl)(ethoxyimino)methyl]-1'- 2,4-dimethyl-1-oxido-3-pyridinyl)carbonyl]-4'methyl-1,4'bipiperidine

In one embodiment, the present invention describes the synthesis of 4-[(Z)-(4-bromophenyl)(ethoxyimino)methyl]-1'-[(2,4-dimethyl-1-oxido-3-pyridinyl)carbonyl]-4'-methyl-1,4'-bipiperidine, and intermediates therefor from easily available starting materials by a simple route.

Synthesis of 4-[(z)-(4-bromophenyl)(ethoxyimino)methyl]-1'-[2,4-dimethyl-1-oxido-3-pyridinyl)carbonyl]-4'methyl-1,4'bipiperidine

In one embodiment, the present invention describes the synthesis of 4-[(Z)-(4-bromophenyl)(ethoxyimino)methyl]-1'-[(2,4-dimethyl-1-oxido-3-pyridinyl)carbonyl]-4'-methyl-1,4'-bipiperidine, and intermediates therefor from easily available starting materials by a simple route.

Synthesis of 4-(Z)-(4-bromophenyl)(ethoxyimino)methylÜ-1'-2,4,dimethyl-1-oxido-3-pyridinyl)carbonylÜ-4'methyl-1,4'bipiperidine.

Sintesis de 4-((z)-(4-bromofenil)(etoxiimono)metil)-1'-((2,4-dimetil-1-oxido-3-piridinil) carbonil)-4'-metil-1,4-bipiperidina.

Un procedimiento para la preparación de un compuesto de **fórmula** comprendiendo dicho procedimiento: (a) la conversión de la oxima a un compuesto en la que G es un grupo saliente seleccionado del grupo que consiste en CN, Y, OSO2R1, OCOCY3 y benzotriazolilo, siendo R1 un grupo alquilo o arilo; Y es un halógeno; y Q es un grupo N-protector adecuado seleccionado del grupo que consiste en alilo, metoximetilo, benciloximetilo, CY3CO (en la que Y es un halógeno), benciloxicarbonilo, tritilo, pivaloiloximetilo, tetrahidropiranilo, bencilo, di(p- metoxifenil)metilo, trifenilmetilo, (p- metoxifenil)difenilmetilo, difenilfosfinilo, bencenosulfenilo, metilcarbamato, 2-trimetilsililetil carbamato, 1-metil-1-feniletil carbamato, t-butil carbamato (-t-Boc-), ciclobutil carbamato, 1-metilciclobutil carbamato, adamantil carbamato, vinil carbamato, alil carbamato, cinnamil carbamato, 8-quinolil carbamato, 4, 5- difenil-3-oxazolin-2-ona, bencil carbamato, 9-antrilmetil carbamato, difenilmetil carbamato, S-bencilcarbamato, y la fracción: (b) la reacción de dicho compuesto con un reactivo de Grignard adecuado en un disolvente adecuado, seguido de work-up, (c) la desprotección de dicho compuesto, (d) la formación de la sal del compuesto, y (e) la reacción de dicho compuesto.

Synthese von 4-(z)-(4-brom phenyl)(ethoxyimino)methyl)-1'- 2,4-dimethyl-1- oxido-3-pyridinyl)carbonyl)-4'-methyl-1,4'- bispiperidin

Synthesis of 4- (z)-(4-bromophenyl)(ethoxyimino)methyl]-1'- 2,4-dimethyl-1-oxido-3-pyridinyl)carbonyl]-4'methyl-1,4'bipiperidine

In one embodiment, the present invention describes the synthesis of 4-[(Z)-(4-bromophenyl)(ethoxyimino)methyl]-1'-[(2,4-dimethyl-1-oxido-3-pyridinyl)carbonyl]-4'-methyl-1,4'-bipiperidine, and intermediates therefor from easily available starting materials by a simple route.

Multilayer damping material

Multilayer damping material for damping a vibrating surface (10) including: - at least one constraining layer (4); - at least one dissipating layer (1, 3); - at least one kinetic spacer layer (2) including multiple spacer elements (2b), the kinetic spacer layer being arranged between the constraining layer and the vibrating surface, when used for damping the vibrating surface, wherein each spacer element has opposite ends, at least one end of each of the multiple spacer elements is embedded in, bonded to, in contact with or in close proximity to the dissipating layer, such that energy is dissipated within the multilayer damping material, through movement of the at least one end of each of the multiple spacer elements; - absorbing material as at least one additional layer (12) or within at least one of the above layers.

Synthesis of 4-((z)-(4-bromophenyl)(ethoxyimino)methyl)-1'-(2,4-dimethyl-1-oxido-3-pyridinyl)carbonyl)-4'methyl-1,4'bipiperidine