Shenzhen Creality 3d Technology Co., Ltd.

Jiangnan University

Amphenol Assembletech (xiamen) Co., Ltd

Plant Protection Research Institute, Guangdong Academy of Agricultural Sciences

South China Academy of Natural Resources S&t

Chun Lan Chen

Jingke Tang

Huilin Liu

Jing-Ke Tang

Hui-Lin Liu

Danjun Ao

Dan-Jun Ao

Hang Li

Rui Guo Zhang

Jing Wu

Wenchu Yang

Lingqia Su

Haitao Xiong

Yifeng Li

Dejie Kong

Jianming Chen

Siting Liao

Zhenfei Zhang

Xiyin Zhou

Dajiang Wu

Bin Qiao

Longyu Yuan

Guoliang Ji

Yueming Hu

Chi Xu

Zirui Wang

Sheng-yuan Lv

Jinyun Feng

Peng-jian Li

Pin Chen

A 3D printer extrusion structure, comprising: a housing; a motor provided on the housing; an active extrusion gear provided in the housing and connected to the motor; an adjusting support rotatably connected inside the housing; a driven extrusion gear provided at one end of the adjusting support and rotatably connected to the adjusting support; and an elastic member, the elastic member being connected to an other end of the adjusting support to enable the end of the adjusting support provided with the driven extrusion gear to approach the active extrusion gear, so that the driven extrusion gear works in conjunction with the active extrusion gear to extrude material, wherein the end of the adjusting support provided with the driven extrusion gear extends to the outside of the housing.

3D printer extrusion structure

A feed detection apparatus of a 3D printer, comprising a gear, a measurement device, a support, and a compression assembly. The gear is provided on the support to abut against a filament material, and rotates along with a movement of the filament material. The measurement device is placed on the support to measure a rotating speed of the gear, and determines a feeding status of the filament material according to a measurement result. The compression assembly comprises a connection member and an abutment member; the connection member is provided between the support and the abutment member; the abutment member is used for regulating a pressure of the connecting member applied on the support so as to enable the gear to abut against the filament material.

3D printer and feed detection apparatus thereof

An automatic leveling device of a 3D printer, and a 3D printer is provided. The automatic leveling device includes a photoelectric switch, an electromagnetic assembly and a probe assembly. The photoelectric switch is arranged in a housing and defines a photosensitive groove. The electromagnetic assembly is arranged in the housing and defines a sliding hole. The probe assembly is slidably engaged in the sliding hole, and an end of the probe assembly is engaged in the photosensitive groove. The electromagnetic assembly is capable of driving the probe assembly to make the end of the probe assembly move out of the photosensitive groove. The automatic leveling device has the advantages of simple structure, low manufacturing difficulty, low production cost, simple and stable leveling mode, high detection repetition accuracy and no complex circuit and software cooperation.

Automatic leveling device of 3D printer and 3D printer

3D printing pen

The disclosure relates to a 3D reconstruction method based on an on-site edge-cloud collaboration for a cultivated land. An edge-cloud collaborative computing architecture is used, such that the edge computing device performs advance calculations after image data is acquired. The edge computing device measures performances of itself and a cloud data center, and arranges and deploys multiple 3D reconstruction containers in the cloud data center for the 3D reconstruction. Multiple reconstruction containers in the cloud data center perform reconstruction tasks in parallel to quickly obtain 3D reconstruction results, and provide them to the edge computing device for retrieval and download. This method is mainly oriented to agricultural project monitoring scenes, to reduce reconstruction time and a data transmission amount of 3D models, in order to improve a response speed and a quality of 3D reconstruction results, for large-scale on-site monitoring, acceptance, and review purposes of agricultural projects.

3D reconstruction method based on on-site edge-cloud collaboration for cultivated land

3D printer

Provided is a strain sensor including a fixing plate and a strain gauge. The fixing plate includes a first supporting part and a second supporting part flexibly connected to the first supporting part. The present application is advantageous in that a strain sensor with a simple structure, high reliability and high sensitivity is provided. The horizontal status of a contact surface may be detected by a little amount of deformation, and the flexible fixing plate can provide a buffer for the equipment to prevent damages due to direct impact.

Strain sensor, 3D printing head assembly and 3D printer

The present disclosure relates to use of a lectin receptor-like kinase LecRK-IX.1 as a protein for regulating insect resistance ofwith high resistance tocan be cultivated by reducing the expression of, or knocking out, an encoding gene of the protein. Therefore,with the high-level resistance tocan be cultivated. The gene and its encoded protein can be applied to plant genetic improvement.

[object Object]

A high-speed connector for an automobile includes a cable connector, a board connector connected to the cable connector, and elastic sliding blocks provided on two sides of the cable connector. The sliding blocks on two sides are configured separately or are integrated together. The cable connector includes a housing, a contact body and a wire. The contact body is installed in the housing. The contact body contacts and is connected to the board connector. The wire is connected to the contact body and protrudes out of the housing. The housing includes a main body portion and side snap-fit plates provided on two sides of the main body portion. A side snap-fit groove is provided on the side snap-fit plate. Side snap-fit clasps are provided on two sides of the board connector.

High-speed connector for automobile

The present disclosure discloses a maltooligosyl trehalose synthase mutant with improved thermal stability, and belongs to the technical fields of enzyme engineering and protein engineering. The residual enzyme activities of the MTSase mutants S361R, S444E, S361R/S444E, S361K/S444E, G415P/S361R/S444E and G415P consistent with the present disclosure after treatment at 60&#xb0; C. for 10 min are respectively 70.3%, 50.1%, 83.5%, 65.9%, 100% and 80.7%, which are respectively 1.6, 1.1, 1.9, 1.5, 2.3 and 1.9 times of that of the wild type. The half-lives of the S361R/S444E and G415P/S361R/S444E at 60&#xb0; C. are respectively 14.9 min and 90.8 min which are respectively 3.2 and 19.7 times of that of the wild type, indicating that the thermal stability of the MTSase mutant consistent with the present disclosure is significantly improved than that of the wild type.

Maltooligosyl trehalose synthase mutant with improved thermal stability

Air compressor cylinder housing

Growing community of inventors

Xingling, China

Chun Lan Chen