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924results about How to "Broad spectrum" patented technology

Adjustable electrode and related method

The present invention relates to a electrode assembly and related method that includes a insulator assembly, an electrode assembly, a charging system, a mechanism for measuring electrical voltages, a mechanism for adjusting the distance between inner and outer electrode tips, and a controller. The insulator assembly includes an insulator body having a hollow central portion with a threaded inner wall. The insulator assembly includes inner and outer conductors that are electrically connected to the charging system and are physically connected to inner and outer electrodes, respectively. The electrodes are positioned such that their longitudinal axes are aligned and the tips of the electrodes are in relatively close physical proximity. The distance between the tips is defined as the spark gap. The charging system charges a capacitor that discharges and forms a spark across the spark gap. The electrical measuring mechanism measures the discharge voltage of the capacitor and the controller compares it to a reference voltage, issuing a correction signal to the adjusting mechanism that repositions the electrodes, thus optimizing the spark gap. An alternate embodiment analyzes the charge and discharge characteristics of an electrode assembly that utilizes a second capacitor and an inductor to adjust the spark gap.
Owner:MTS MEDICAL TECH & SERVICES

Comprehensive electroplating wastewater treating agent

The invention relates to a comprehensive electroplating wastewater treating agent. The comprehensive electroplating wastewater treating agent is composed of the following components in percentage by mass: 10-35% of reducing agent, 20-50% of sulfide, 10-30% of aluminum salt, 10-30% of adsorbing material and 5-15% of alkaline substances. The raw materials of the treating agent provided by the invention are low in cost and easy to obtain, and the treating agent is easy to prepare; through compounding the raw materials, a synergistic effect is exerted, and the treating agent is favorable in broad spectrum, capable of effectively removing heavy metals such as nickel, chromium, copper, zinc and the like, high in removal rate up to more than 96% and relatively good in COD (Chemical Oxygen Demand) removal effect; the comprehensive electroplating wastewater treating agent also has the characteristics of strong electroplating wastewater treating capacity, high heavy metal ion sedimentation speed and efficiency, no secondary pollution after treatment and the like; in addition, the treating agent provided by the invention is convenient to use, simple and feasible in treating process, capable of realizing operation by only using a vessel or pool with an aerating agitation device, reducing the floor area and reducing the investment, and easy to realize operation management.
Owner:浙江一清环保工程有限公司

Antibacterial masterbatch, nano antibacterial super-tough plastic added with antibacterial masterbatch and preparation and application of plastic

InactiveCN103910996ABoth heat resistanceBroad-spectrumMasterbatchPolymer science
The invention discloses an antibacterial masterbatch, nano antibacterial super-tough plastic added with an antibacterial masterbatch and preparation and an application of the plastic and relates to the technical field of high molecular materials. The nano antibacterial super-tough plastic is characterized by being prepared from the following raw materials in parts by weight through blending and extruding: 70-93 parts of resin, 2-10 parts of antibacterial masterbatch, 5-20 parts of a flexibilizer, 0.1-1.0 part of an antioxidant and 0.2-1.0 part of a lubricant. The preparation method comprises the following steps: firstly, preparing the antibacterial masterbatch, then, weighing the raw materials in proportion, adding into a high speed mixer and mixing for 2-10 minutes; and then, extruding and granulating the obtained mixture through a twin-screw extruder to obtain the nano antibacterial super-tough plastic. The nano antibacterial super-tough plastic disclosed by the invention has an efficient, lasting, broad-spectrum and safe antibacterial effect, can be applied to preparation of spectacle frames and can satisfy the requirements on characteristics of the spectacle frames such as great elasticity, strong toughness and difficulty in breakage.
Owner:HEFEI GENIUS NEW MATERIALS

Time division multiplexing method and system

The present invention provides the method and system of a Time Division Multiplexing which makes use of a number of symbols in the time domain transmitting data sequence in parallel. The method includes: the transmitting terminal forms the transmission signals which are overlapped by a number of symbols in the time domain, and the receiving terminal does data sequence detection in the time domain for the received signals according to the one-to-one relationship between the transmission data sequence and the time waveform of the transmission data sequence. In addition, the present invention also provides a kind of Time Division Multiplexing system based on the above method of the Time Division Multiplexing. The present invention makes actively use of these overlapping to produce the coding constraint relation, thus the spectral efficiency of the system is improved by a large margin. In random time-varying channel, with reasonable arrangement, the transmission reliability of the system can also be improved at the same time, and at the same threshold, Signal Interference Ratio and its spectral efficiency are far higher than those of the high-dimension modulation and other technologies. At the same spectrum efficiency, the number of the total levels of its systems and the needed threshold Signal Interference Ratio are also reduced significantly than those of the high-dimension modulation and other technologies.
Owner:RESEARCH INSTITUTE OF TSINGHUA UNIVERSITY IN SHENZHEN
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