Tianjin Jinmao Group Co., Ltd

Tianjin Jinmao Houseware Products Co., Ltd

Chinese Academy of Agricultural Sciences

Agro-environmental Protection Institute, Ministry of Agriculture and Rural Affairs

Proteint (tianjin) Biotechnology Co., Ltd

Jie Li

Shengjiang Wang

Fengming Li

Hongbin Liu

Cheng Yan

Junting Pan

Liangyu Chen

Weiming Xiu

Li Ren

Limei Zhai

Lili Wang

Jianning Zhao

Congcong Ma

Bin Xi

Lei Song

Guilong Zhang

Yanjun Zhang

Qi Zhu

Xubo Yuan

Jin Zhao

The present disclosure provides a method for increasing a number of proteins identified, including: S1. adding a binding buffer and an aluminosilicate zeolite to a sample to be tested to obtain a first suspension; S2. incubating the first suspension, subjecting an incubated first suspension to first high-speed centrifugation to obtain a first supernatant and a first precipitate, discarding the first supernatant, and retaining the first precipitate; S3. repeating a process as follows several times: resuspending the first precipitate with a washing buffer to obtain a second suspension, subjecting the second suspension to second high-speed centrifugation to obtain a second supernatant and a second precipitate, discarding the second supernatant, and retaining the second precipitate; and S4. preparing the second precipitate into a protein sample, and subjecting the protein sample to mass spectrometry detection.

Method for increasing number of proteins identified by mass spectrometry

Folding ladder

Platform ladder

Disclosed is a recycling purification and reuse system for farmland tail water, which includes a water collecting pool, a water purifying pool and a clean water pool; the water purifying pool is correspondingly arranged with the clean water pool; the water collecting pool is located above the side of the water purifying pool far away from the clean water pool; one side of the water collecting pool close to the water purifying pool is provided with an opening; the opening is provided with a filtering mechanism; the filtering mechanism is correspondingly arranged with the water purifying pool; a water pumping mechanism is arranged in the water purifying pool; and the water outlet end of the pumping mechanism is correspondingly arranged with the clean water pool.

Recycling purification and reuse system for farmland tail water

A caulking gun handle and a caulking gun are provided. A caulking amount adjusting assembly is mounted on a movable handle of the caulking gun; the caulking amount adjusting assembly comprises a driving shaft and a driving shaft positioning member; portions at two sides of a mounting groove are each formed as a handle mounting portion; a driving protrusion and first and second positioning recesses are provided on a peripheral surface of the driving shaft, the driving shaft can slide left and right with respect to the two handle mounting portions, so that in a first workstation, an end portion of the driving shaft positioning member located in the driving shaft mounting hole is engaged in the first positioning recess, and in a second workstation, the end portion of the driving shaft positioning member located in the driving shaft mounting hole is engaged in the second positioning recess.

Caulking gun handle and caulking gun

The present disclosure provides a glue-saving mechanism, a glue gun handle, a glue gun and a use method thereof, and relates to the technical field of gluing tools, wherein the glue-saving mechanism is applicable to the glue gun and includes a body and a locking piece; a top end of the locking piece is connected with a rear end of the body, the locking piece is provided with a assembling hole for glue gun ejector rod penetrating the locking piece, and the angle between a front surface of the locking piece and the horizontal direction is greater than 0&#xb0; and smaller than 90&#xb0; when a length extension direction of a glue gun ejector rod in a working condition that the glue gun ejector rod is assembled to the glue gun is regarded as a horizontal direction; a guiding structure is provided on the body, and the guiding structure is used for guiding the body to slide forward and backward relative to a glue gun handle in a working condition that the glue-saving mechanism is assembled at a top end of the glue gun handle; and the glue gun handle is mounted with the glue-saving mechanism, and the glue gun has the glue gun handle. The present disclosure has the advantageous effect of controlling the glue to stop outflowing when the glue gun stops gluing so as to save glue.

Glue-saving mechanism, glue gun handle, glue gun and use method thereof

Growing community of inventors

Tianjin, China

Jie Li