Decarbon Technology (shenzhen) Co., Ltd.

Hkc Corporation Limited

Chunyan Li

Feng Yan

Zuotai Zhang

Fan Qu

Xuehua Shen

Jun Shi

Heijin Chen

Haijiang Yuan

Rongrong Li

Yun Lin

Zhihao Wang

Tingting Yang

Hongcai Deng

Xiangheng Liu

A silicon-based solid amine sorbent for COand the making method thereof including: providing a silicon source liquid which is a silicate solution or a liquid organosilicate, wherein the silicate solution comprises water and a first silicate dissolved in the water; mixing the silicon source liquid with a precipitant to perform a precipitation reaction to obtain a product liquid containing a precipitate, wherein the precipitate is a second silicate or silicic acid; filtering out the precipitate and washing the precipitate with water; mixing the precipitate filtrated out but not dried yet with an organic alcohol and then performing an azeotropic distillation to obtain a dehydrated precipitate; calcining the dehydrated precipitate to obtain a silicon-based support, wherein the silicon-based support is a powder of the second silicate powder or a silica powder; and impregnating the silicon-based support with an organic amine solution and then drying to obtain the silicon-based amine-containing solid sorbent for CO.

Silicon-based solid amine sorbent for COand making method thereof

Disclosed are a method of PCB sectional preshrinking, a device, an equipment and a computer-readable storage medium. The method includes: obtaining a PCB raw data and a preset accuracy requirement; determining a preshrinking compensation value according to the PCB raw data and the preset accuracy requirement; determining a first sectional length according to the PCB raw data and the preshrinking compensation value; determining a preshrinking compensation ratio according to the preshrinking compensation value and the first sectional length; determining a second sectional length according to the PCB raw data, the first sectional length and the preshrinking compensation ratio; and determining an optimization preshrinking design length according to the first sectional length and the second sectional length.

Method of PCB sectional preshrinking, device, equipment and computer-readable storage medium

A porous calcium silicate hydrate, a preparation method thereof and an adsorbent are provided. The preparation method of the porous calcium silicate hydrate includes: leaching fly ash with an alkali agent to obtain a silicate leaching solution; adding the silicate leaching solution dropwise to a calcium hydroxide suspension at a constant rate, and conducting stirring and a heating reaction to obtain a calcium silicate hydrate gel; and mixing the calcium silicate hydrate gel with an organic alcohol solvent, conducting azeotropic distillation, and then conducting separation, drying and calcination to obtain the porous calcium silicate hydrate.

Porous calcium silicate hydrate, preparation method thereof and adsorbent

A calcium silicate based nickel catalyst and a preparation method and application thereof are provided. The method includes: leaching a silicon based solid waste with an alkali agent to obtain a silicate leaching solution; adding the silicate leaching solution and a nitrate solution corresponding to a lanthanum metal dropwise to a calcium hydroxide suspension for a first precipitation reaction, and subjecting a precipitate produced by the reaction to filtration, drying and calcination to obtain a modified calcium silicate support; and dispersing the modified calcium silicate support in an anhydrous alcohol solvent to obtain a mixed suspension, adding an alcohol solution of a nickel salt dropwise to the mixed suspension for a second precipitation reaction, conducting heating and stirring until alcohols in the anhydrous alcohol solvent and the alcohol solution of a nickel salt are volatilized, and conducting drying and calcination to obtain the modified calcium silicate based nickel catalyst.

Modified calcium silicate based nickel catalyst and preparation method and application thereof

A display driving circuit includes a light emitting assembly which includes a first control switch having a first terminal connected to a cathode of the light emitting unit, a second terminal connected to a common terminal, and a control terminal connected to a first signal wire to provide a first control signal and a second control switch having a first terminal connected to a charging terminal, a second terminal connected to an anode of the light emitting unit and a control terminal connected to a second signal wire to provide a second control signal. When the light emitting unit is turned off, the first control switch disconnects the cathode of the light emitting unit and the common terminal in response to the first control signal, and the second control switch disconnects the anode of the light emitting unit and the charging terminal in response to the second control signal.

Display driving circuit, display driving method and display device

Growing community of inventors

Shenzhen, China

Chunyan Li