Abstract: An optical imaging system (1) is configured for photographing a sample and includes a lighting module (11) and an imaging module (15). The lighting module (11) is configured for outputting excitation light, the excitation light is configured to excite the sample to generate excited light, the imaging module (15) comprises a time delay integration line scan camera (151), the time delay integration line scan camera (151) is configured to record the excited light. A biochemical substance detection system using the optical imaging system (1) is also provided, improving the detection flux.

Abstract: Provided is an imidazotriazine thiobenzamide derivative of formula (I), A preparation method for the imidazotriazine thiobenzamide derivative, and a use of the imidazotriazine thiobenzamide derivative or an isomer, a pharmaceutically-acceptable salt, or a prodrug thereof in the preparation of drugs for the treatment of cancer are also provided.

Abstract: The present disclosure provides a detecting apparatus, system, and method, and belongs to the technical field of detection. The detecting apparatus includes a beam splitting device, a first dichroic mirror, an objective lens, a fluorescence guiding device, and an imaging system including a plurality of imaging devices.

Abstract: A filling material and method for reducing the amount of filling material required for filling a soft casing to a pre-selected specification, the filling material comprising a blend of polyester fibers having two or more different deniers and providing at least a 6% reduction in the amount of filling material required as compared to an alternative fill material consisting solely of polyester fibers of a single denier wherein the soft casing filled with the filling material meets pre-selected specifications comprising a pre-selected height measurement for the filled soft casing and is substantially the same in appearance as a soft casing filled with the alternative fill material consisting solely of polyester fibers of a single denier.

Abstract: An inflow control device (ICD), including a hydrocyclonic device having a plurality of pressure taps therein and a valve responsive to differential pressure of the plurality of pressure taps. An inflow control device (ICD) including a switch having a primary flow inlet and a primary flow outlet, and a trigger that generates a differential pressure in the trigger due to separation of fluids having different densities. A method for allowing flow of a desired fluid while retarding a flow of undesired fluid in a flow control device, including flowing a pilot fluid through a fluid separator, separating components of the pilot fluid, applying differential pressure of two of the separated components to a valve that is actuated by differential pressure, flowing or retarding flow of a primary flow through the valve in response to the differential pressure.

Abstract: The present invention disclosed a 1,4-diheterocyclic substituted aromatic ring or aromatic heterocyclic compound represented by formula (I). The compound can effectively inhibit the generation of 20-HETE, and has high activity, high selectivity and good pharmacokinetic characteristics. By means of the inhibition on the generation of 20-HETE, the compound can be used for treating various diseases related to 20-HETE, and thus has a great application value.

Abstract: The invention discloses a power feedback control system and method of MGP system, including detecting the actual active power sent by the generator to the grid through the measurement and calculation module; making a difference between the measured active power and the given active power; calculating frequency regulation amount through the PI regulation module according to the difference, and taking it as feedback; calculating the frequency reference value of the converter in the control system; through the adjustment module adjusts finely the frequency of the converter and adjust the phase difference of frequency modulation to achieve controlling power output, so when the new energy predicts its output power based on power feedback control using MGP before connecting to grid, the output of the control system will not delay and affect the stability and reliability of the control system, ensuring the smooth introduction of new energy grid-connected methods.

Abstract: A fluid density valve housing includes a pilot fluid inlet and outlet and a primary fluid inlet and outlet. A shuttle is disposed within the housing. The shuttle comprises a portion having a reference density and a portion defining a cavity fluidically connected to the pilot fluid inlet, the shuttle permitting or denying primary fluid flow depending upon a density of a pilot fluid flowing through the cavity versus the reference density. A method for controlling flow, including comparing density of a pilot flow with a reference density, moving a valve between fully open, fully closed, and choked depending upon the differential density between the pilot fluid and the reference density. A borehole system, including a borehole in a subsurface formation, a string in the borehole, and a fluid density valve disposed within or as a part of the string.

Abstract: A thioamide derivative of formula (I) and a preparation method thereof: An application of the thioamide derivative, or an isomer, a pharmaceutically-acceptable salt, or a prodrug molecule thereof in the preparation of a drug for the treatment of cancer is also provided. The thioamide derivative is a new compound with high antitumor activity, and can be used for antitumor therapy alone or in combination with other drugs.

Abstract: This application discloses a positive electrode active material, including secondary particles and a coating layer applied on an exterior surface of each of the secondary particles, where the secondary particle includes a lithium transition metal oxide that contains a doping element M1, the coating layer includes an oxide of element M2, M1 is selected from one or more of Si, Ti, Cr, Mo, V, Ge, Se, Zr, Nb, Ru, Rh, Pd, Sb, Te, Ce, and W, and M2 is selected from one or more of Mg, Al, Ca, Ce, Ti, Zr, Zn, Y, and B; a relative deviation of local mass concentration of element M1 in the secondary particle is less than 20%; and the secondary particle from the core to the exterior surface of the particle includes a plurality of layers of primary particles arranged along radial direction of the secondary particle.

Abstract: A thioamide derivative of formula (I) and a preparation method thereof: An application of the thioamide derivative, or an isomer, a pharmaceutically-acceptable salt, or a prodrug molecule thereof in the preparation of a drug for the treatment of cancer is also provided. The thioamide derivative is a new compound with high antitumor activity, and can be used for antitumor therapy alone or in combination with other drugs.

Abstract: Provided are a positive electrode active material, a method for the preparation thereof and a positive electrode plate, a secondary battery and an electrical device. The positive electrode active material having a core-shell structure, including a core and a shell cladding the core, the core has a chemical formula of LimAxMn1-yByP1-zCzO4-nDn, the shell includes a first cladding layer cladding the core, a second cladding layer cladding the first cladding layer and a third cladding layer cladding the second cladding layer, the first cladding layer includes crystalline pyrophosphates LiaMP2O7 and/or Mb(P2O7)c, the second cladding layer includes crystalline phosphate XPO4, and the third cladding layer is carbon. The positive electrode active material of the present application enables the secondary battery and electrical device to have a relatively high energy density, and good cycling performance, rate performance and safety performance.

Abstract: The present application provides a positive electrode active material, a method for the preparation thereof and a positive electrode plate, a secondary battery and an electrical device containing the same. The positive electrode active material having a core-shell structure, comprising a core and a shell covering the core, wherein the core has a chemical formula of LiaAxMn1-yByP1-zCzO4-nDn, the shell comprises a first cladding layer covering the core, and a second cladding layer covering the first cladding layer, wherein the first cladding layer comprises pyrophosphate MP2O7 and phosphate XPO4, and the second cladding layer comprises carbon. The positive electrode active material of the present application enables the secondary battery and electrical device to have a relatively high energy density, and good cycling performance, rate performance and safety performance.

Abstract: Provided are a positive electrode active material and a preparation method thereof, a positive electrode plate, a secondary battery, a battery module, a battery pack, and an electric apparatus. The positive electrode active material includes a core including Li1+xMn1?yAyP1?z,RzO4, a first coating layer enveloping the core and containing a crystalline pyrophosphate LiaMP2O7 and/or Mb(P2O7)e, a second coating layer enveloping the first coating layer and containing a crystalline oxide M?dOe, and a third coating layer enveloping the second coating layer and containing carbon. The positive electrode active material of this application can reduce Li/Mn anti-site defects generated, reduce dissolving-out amount of manganese, lower the lattice change rate, increase the capacity of the secondary battery, and improve the cycling performance, high-temperature storage performance, and safety performance of the secondary battery.

Abstract: Provided is an imidazotriazine thiobenzamide derivative of formula (I), A preparation method for the imidazotriazine thiobenzamide derivative, and a use of the imidazotriazine thiobenzamide derivative or an isomer, a pharmaceutically-acceptable salt, or a prodrug thereof in the preparation of drugs for the treatment of cancer are also provided.

Abstract: A positive electrode active material has LiMPO4, wherein M includes Mn and a non-Mn element, and the non-Mn element satisfies at least one of the following conditions: the ionic radius of the non-Mn element being denoted as a, and the ionic radius of manganese element being denoted as b, |a?b|/b is not greater than 10%; the valence alternation voltage of the non-Mn element being denoted as U, 2 V<U<5.5 V; the chemical activity of a chemical bond formed by the non-Mn element and O is not less than that of a P—O bond; and the highest valence of the non-Mn element is not greater than 6.

Abstract: A positive electrode active material has an inner core and a shell coating the inner core, wherein the inner core comprises at least one of a ternary material, dLi2MnO3·(1?d)LiMO2 and LiMPO4, where 0<d<1, and M includes one or more selected from Fe, Ni, Co, and Mn; and the shell contains a crystalline inorganic substance having a full width at half maximum of the main peak of 0-3° as measured by means of X-ray diffraction, and the crystalline inorganic substance includes one or more selected from a metal oxide and an inorganic salt.

Abstract: This application discloses a positive electrode active material, including secondary particles and a coating layer applied on an exterior surface of each of the secondary particles, where the secondary particle includes a lithium transition metal oxide that contains a doping element M1, the coating layer includes an oxide of element M2, M1 is selected from one or more of Si, Ti, Cr, Mo, V, Ge, Se, Zr, Nb, Ru, Rh, Pd, Sb, Te, Ce, and W, and M2 is selected from one or more of Mg, Al, Ca, Ce, Ti, Zr, Zn, Y, and B; a relative deviation of local mass concentration of element M1 in the secondary particle is less than 20%; and the secondary particle from the core to the exterior surface of the particle includes a plurality of layers of primary particles arranged along radial direction of the secondary particle.