Changlin
Changlin Du, Dalian CN
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20130316625 | GRINDING MACHINE WITH 5-AXIS FOR CUTTER - A grinding machine with 5-axis for cutters is disclosed, the grinding machine includes a grinding machine base ( | 11-28-2013 |
20140030965 | FULLY SYMMETRIC CUTTER GRINDING MACHINE WITH 5-AXIS AND GRINDING WHEEL HEAD BRACKET THEREOF - A fully symmetric cutter grinding machine with 5-axis includes a grinding machine base and a pillar, sliding rails are vertically arranged on an inside of the pillar, the sliding rails are provided with a grinding wheel head bracket, the grinding wheel head bracket comprises torque motors vertically provided, a lower part of the torque motor is connected to a horizontally provided spindle by means of a bearing of a rotation table, grinding wheels rotating around an axis of the spindle are symmetrically provided at two sides of the spindle, the grinding wheel head bracket further comprises a big rotatable pulley provided at an upper part of the grinding wheel head bracket and driven to rotate by spindle motors, the big pulley is connected to a spindle pulley by a wide synchronous belt. | 01-30-2014 |
Changlin Fu, St. Louis, MO US
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20150152428 | UNIQUE MODULAR VECTOR DESIGN - The current invention provides a modular vector system that enables the insertion of gene expression cassettes in a recursive directional stacking fashion by rare restriction sites which requires only one type of vector. The invention also provides DNA molecules, compositions, and transgenic organisms, plants, plant tissues, plant seeds, and cells comprising recombined restriction sites for rare restriction enzymes. | 06-04-2015 |
Changlin Fu, Palo Alto, CA US
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20150177244 | PARALLEL ANALYSIS OF SERUM EPCAM AND MMP7 TO DISCRIMINATE SEPSIS, NECROTIZING ENTEROCOLITIS AND NORMAL CONTROL PATIENTS - Methods and compositions are provided for making a necrotizing enterocolitis (NEC) or sepsis assessment of an individual. Aspects of the methods include detecting a biomarker or panel of biomarkers selected from MMP7, EpCAM, and CRP. In addition, reagents, devices, systems and kits thereof that find use in practicing the subject methods are provided. | 06-25-2015 |
Changlin Li, Shenzhen CN
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20140372403 | METHODS AND SYSTEMS FOR INFORMATION MATCHING - A method and system for information matching in an instant messaging user interface are disclosed. The method includes monitoring, in real time, chat records in an instant messaging interface to identify a keyword and starting a search application interface if the keyword is identified. The method further includes obtaining key information associated with keyword through the search application interface, and presenting the key information in the instant messaging interface. The method and system consistent with the present disclosure may enrich the user experience in instant messaging applications. | 12-18-2014 |
Changlin Tang, Zhejiang CN
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20140037531 | METHOD FOR PREPARING GRAPHENE - The present invention provides a method for preparing graphene, including reacting graphite in an acid solution in which an oxidant is present so as to obtain a graphene. Compared with the prior art, the advantages of the present invention reside in that, the graphene prepared by the method of the present invention has excellent quality and substantially increased yield and production rate, as compared with mechanical stripping, epitaxial growth, and chemical vapor deposition; and the graphene prepared by the method of the present invention has significantly improved quality, substantially reduced structural defects, and significantly increased conductivity, as compared with oxidation-reduction preparation in the solution-phase; besides, the method is also advantageous for a simple process, mild conditions, low cost, and very easy for scale production. The graphene prepared by the present invention has very broad prospects in the fields of lithium-ion batteries, supercapacitors, functional composite materials, transparent conductive films, and microelectronic devices, etc. | 02-06-2014 |
20140315083 | GRAPHENE COATING MODIFIED ELECTRODE PLATE FOR LITHIUM SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME - The present invention provides a graphene coating-modified electrode plate for lithium secondary battery, characterized in that, the electrode plate comprises a current collector foil, graphene layers coated on both surfaces of the current collector foil, and electrode active material layers coated on the graphene layers. A graphene coating-modified electrode plate for lithium secondary battery according to the present invention comprises a current collector foil, graphene layers coated on both surfaces of the current collector foil, and electrode active material layers coated on the graphene layers. The graphene-modified electrode plate for lithium secondary battery thus obtained increases the electrical conductivity and dissipation functions of the electrode plate due to the better electrical conductivity and thermal conductivity of graphene. The present invention further provides a method for producing a graphene coating-modified electrode plate for lithium secondary battery. | 10-23-2014 |
Changlin Wang, Shanghai CN
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20090122834 | TEMPERATURE MEASUREMENT DEVICE AND MEASUREMENT METHOD - An exemplary temperature measurement device includes a reference voltage source, a three-wire thermal resistor, a voltage drop amplifier, an operational amplifier and compensation resistors. By using connecting wires with resistance values of the compensation resistors, a relation between an output signal and a resistance of the thermal resistor gives rise to a monotonous function, which is independent of the resistances of the connecting wires. After A/D conversation of an output signal, the resistance of the thermal resistor and a temperature can be calculated based on known functions. Therefore, within an entire measurement range and any length of cable, an influence of the wire resistances can be compensated without switches or jumpers. | 05-14-2009 |
20090125250 | METHOD AND DEVICE FOR MEASURING THE ELECTRICAL CONDUCTIVITY AND/OR RESISTIVITY OF A SOLUTION - An exemplary method for measuring the electrical resistance and/or electrical conductivity of solutions, includes: exciting the electrodes with a rectangular shaped, alternating current of a certain frequency f | 05-14-2009 |
20090157338 | MEASURING METHOD AND APPARATUS FOR POTENTIOMETRIC MEASURING PROBES - A method and device are disclosed for measuring potentiometric measuring probes. An exemplary method includes feeding two test voltages comprising a harmonic wave U | 06-18-2009 |
20110140716 | INPUT CIRCUIT FOR INDUCTIVE MEASUREMENTS OF THE CONDUCTIVITY OF A FLUID MEDIUM - Exemplary embodiments of the invention include an input circuit for electromagnetic (inductive) measurements of the conductivity of liquids. The input circuit and the induction coil are directly coupled, and the arrangement includes a current-voltage converting circuit which accomplishes the transformation from current to voltage in the induction coil, and ensures the terminal voltage to be zero. Also there is an anti-saturation circuit which is composed of an integrating circuit and a voltage dividing circuit and serves to prevent saturation in the operational amplifier which is used for the current-voltage transformation. The circuit further includes features for the detection of an open-circuit failure of the sensor coil or cable. | 06-16-2011 |
20110140717 | METHOD AND DEVICE FOR INDUCTIVE CONDUCTIVITY MEASUREMENTS OF A FLUID MEDIUM - Exemplary embodiments of the present invention include methods and devices for the electromagnetic (inductive) measurement of the conductivity of liquids by immersing a sensor into the liquid, wherein the sensor includes at least 2 toroidal cores, one of said cores carrying an excitation coil and the other core carrying an induction coil. Exemplary methods include converting the induced current at the induction coil into an alternating square-wave voltage, followed by rectification. A sample-hold circuit may be employed to avoid the transition time of the alternating square-wave current conversion. The demodulated DC voltage is proportional to the conductivity of the measured liquid. | 06-16-2011 |
20110163756 | METHOD AND DEVICE FOR DETECTING FAILURES IN INDUCTIVE CONDUCTIVITY MEASUREMENTS OF A FLUID MEDIUM - Exemplary embodiments of the present invention are directed to methods and devices for detecting open-circuit and short-circuit failure in an electromagnetic (inductive) measurement of the conductivity of liquids and on the sensor and cable wiring. An electromagnetic measurement of the conductivity of a liquid is performed by immersing a sensor into the liquid, wherein the sensor includes at least 2 toroidal cores, one of them carrying an excitation coil and the other carrying an induction coil. When an AC excitation voltage is applied to the excitation coil, an induced current or voltage can be measured in the induction coil which is proportional to the conductivity of the measured liquid. | 07-07-2011 |
Changlin Zhao, Xiamen CN
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20150346461 | MOBILE DEVICE AND OPTICAL IMAGING LENS THEREOF - Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises six lens elements positioned sequentially from an object side to an image side. Through controlling the convex or concave shape of the surfaces of the lens elements and designing parameters satisfying at least one inequality, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened. | 12-03-2015 |