Jixin
Jixin Liu, Beijing CN
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20130119271 | Electrothermal Vaporization Atomic Fluorescence Spectroscopy and Spectrometer for Determination of Cadmium - An electrothermal vaporization atomic fluorescence spectrometer for determination of Cadmium comprising a sampling system, a light source, an atomizer, a light path system, a detection system, and a display device. The sampling system includes an electrothermal vaporization device and a capture trap; the capture trap comprises a Tungsten or Molybdenum coil ( | 05-16-2013 |
20130270996 | Ultraviolet Pretreatment Device - The Ultraviolet pretreatment device in the present invention relates to an interface technique in the field of coupling technology for the analysis of chemical element species. The objective is to provide an Ultraviolet pretreatment device with simple structure, enhanced UV illuminance, and high digestion efficiency. The Ultraviolet pretreatment device in the present invention comprises a low pressure Mercury lamp and a quartz tube, wherein, the low pressure Mercury lamp comprises a lamp tube, electrodes and a power source. The quartz tube is located within the lamp tube, the two ends of the quartz tube are fixedly and respectively joined with the tube wall of the lamp tube, the inner wall of the lamp tube and the outer wall of the quartz tube form a sealed gas chamber, and the electrodes are located in the gas chamber. | 10-17-2013 |
Jixin Xu, Shenzhen CN
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20140333305 | MULTIPLE CHANNEL NUCLEAR MAGNETIC RESONANCE COIL - A multi-channel nuclear magnetic resonance (NMR) coil operating at a resonance frequency includes a plurality of unit loops disposed upon a cylindrical surface of a coil body and surrounding the coil body as a closed NMR coil; and a plurality of inter-loop capacitors configured to connect adjacent unit loops respectively, wherein each unit loop comprises a signal channel and further comprises a pair of vertical conducting parts parallel to a cylindrical axis of the coil body, each vertical conducting part comprising an inductor and a first capacitor connected in serial; and a pair of horizontal conducting parts perpendicular to the cylindrical axis of the coil body, at least one horizontal conducting part comprising a second capacitor; and the inter-loop capacitor connects two respective horizontal conducting parts of adjacent unit loops disposed on a same side to eliminate coupling between signal channels of adjacent unit loops. | 11-13-2014 |
Jixin Yang, Beijing CN
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20160055013 | SYSTEM OPTIMIZING METHOD AND APPARATUS - The present invention relates to the technical field of network communications, and discloses a system optimizing method and apparatus. The system optimizing method comprises: judging whether programs running in the system meet a preset optimization rule; displaying programs that meet the preset optimization rule in a first class of a program list and displaying programs that do not meet the preset optimization rule in a second class of the program list, wherein states of the programs in the first class are selected by default and states of the programs in the second class are not selected by default; and performing optimization processing for programs in the program list whose states are selected according to a triggered optimization instruction, wherein the optimization instruction includes the states of the programs in the program list. In this way, the problem in the prior art that an undesirable optimization effect is achieved because file cleaning work can only be simply executed is solved, and an advantageous effect of effectively processing various conditions of the system is obtained so as to reasonably optimize the system. | 02-25-2016 |