11 results about "Laboratory chemicals" patented technology

The utility model discloses an embedded host for a chemical analysis instrument in a laboratory, which belongs to the technical field of chemical laboratories and comprises a touch screen, a circuit board, an external interface and a power supply, the host is connected with a control unit of the chemical analysis instrument through an internet access 1 and is communicated with a laboratory server through an internet access 2, and the external interface is connected with the power supply. The host adopts a uniform 24V power supply module to supply power through a needle-shaped or hole-shaped circular connector, PIN serial number output is 1: + VO (positive power supply), 2:-VO (negative power supply), 3:-VO (negative power supply) and 4: + VO (positive power supply), a touch screen interface module is arranged on the circuit board and used for connecting a touch screen, a WIFI / Bluetooth module and a 4G / 5G module provide a wireless communication function, a serial port communication module supports an RS232 or RS485 interface, and a USB interface is arranged on the circuit board. The USB communication module 1 and the USB communication module 2 are respectively used for printing, communication expansion and program upgrading. According to the utility model, different types of chemical analysis instruments can be controlled by installing different embedded software.

The present application relates to the technical field of food nutrition component detection and information automatic processing, and particularly discloses a kind of food nutrition component rapid metering detection and label generation system.The present application obtains original spectrum data by adopting preset near-infrared wave band detection light beam and is preprocessed after multivariate scattering correction and first derivative transformation, inputs the calibration model established based on partial least square regression algorithm to output the metering value of multiple nutrition component contents, then completes numerical rounding according to preset rounding rule and generates nutrition label page data by matching and filling with label template mark field, solves the technical problems that traditional laboratory chemical analysis method detection cycle is long, pre-treatment is complicated, equipment dependency is strong and detection data and label generation link lack of automatic connection, leading to manual input error-prone, realizes the synchronous improvement of food nutrition component detection speed, label generation efficiency and data accuracy.

The utility model discloses a laboratory chemical reagent auxiliary agent storage device relates to laboratory appliance technical field. A laboratory chemical reagent auxiliary agent storage device, including box, still include: rotation axis, through bearing rotation connection on the inner wall of box, the placement board with cavity structure is fixedly installed on the surface of rotation axis in equal interval, wherein, the placement board is equipped with the limiting ring corresponding with the placement groove, the upper portion of placement board is equipped with, the utility model discloses the placement groove and limiting ring can be classified and placed to the reagent bottle of storage, and simultaneously in the placement operation, through extruding piece manual extrusion operation inflation, change the size of placement groove and limiting ring, thereby better adaptation the size of the reagent bottle of placement, practical high flexibility, and give the reagent bottle outside placed with good protection effect, avoid the device to shake and knock damage in the transportation process and take place.

Laboratory Device for Chemicals Neutralization and Disposal of Expired Laboratory Chemicals

The utility model relates to a kind of high-efficiency micro solid powder quantitative metering and transfer tool, it is related to laboratory chemical research field, including: disposable sampling head, disposable sampling head includes outer tube and piston block, piston block is slidably sleeved in outer tube;One end of piston block is connected drive module, drive module is used to drive piston block to slide in outer tube, and the other end of piston block is formed between the outer tube away from drive module and the cavity for accommodating powder.

The invention belongs to the technical field of spectral analysis, and provides a water rock weathering carbon sink rapid detection method and system based on a spectrum technology, and the method comprises the following steps: distributing points in a research area according to gridding, and selecting representative sampling points to obtain water and rock samples; performing field spectral measurement and laboratory chemical analysis on the water body sample; removing impurities and grinding the rock sample for spectrum and chemical analysis; preprocessing the spectrum detection data of the two types of samples to extract a comprehensive characteristic spectrum wave band, and calculating the weathered carbon sink quantity through a quantitative relation model based on the comprehensive characteristic spectrum wave band to obtain a detection result; according to the method, water and rock spectrum information is integrated, the rapid detection characteristic of a spectrum technology is utilized, and an advanced data processing and modeling method is combined, so that efficient, comprehensive and accurate detection of water rock weathering carbon sinks is realized, reliable data support is provided for deeply researching a carbon circulation mechanism in a water rock weathering process, and the method is suitable for popularization and application. And the requirements of field on-site rapid detection and large-area detection are met.

The invention relates to the technical field of agricultural water management, in particular to an intelligent summer corn transpiration measuring and calculating method and system based on silicon accumulation data, and the method comprises the steps: collecting canopy spectrum and environmental data, inverting layered silicon accumulation, screening steady-state parameters, constructing silicon gradient mapping, and predicting transpiration and future water consumption. According to the method, silicon element distribution characteristics in the vertical direction of a canopy are analyzed by constructing physical layered mapping logic, double calibration is performed on a remote sensing inversion result in combination with laboratory chemical analysis data, a physiological stability interval is delimited by using a statistical method, abnormal environmental noise is eliminated, and a variable step size iteration solving mechanism based on a cumulative gradient is constructed. The calculation precision is adaptively adjusted according to the metabolic activity degree, fine analysis of the moisture transmission process in different physiological states is realized, accumulative errors caused by environmental fluctuation and spatial heterogeneity are eliminated, and it is ensured that the prediction result of the moisture consumption rate of the whole summer corn plant can truly reflect the actual water consumption demand of crops.

This invention relates to the field of chemical control technology and discloses a method and system for risk assessment of the entire life cycle of laboratory chemicals. Through storage incompatibility analysis, this invention achieves accurate identification, classification, isolation, and control of risks associated with incompatible storage. It also quantifies and records the degradation process of chemicals accumulated during long-term storage through environmental stress degradation analysis, providing a realistic degradation baseline for subsequent stages. By extracting key feature information from experimental record data and dynamic parameters, the impact of the experimental process on the subsequent stability of waste is transformed into structured data. Finally, the final test data, hazardous characteristic time-series data, and process influencing factor set are integrated to conduct risk evolution simulation, enabling forward-looking prediction of risk evolution trends during waste storage. This invention, through the quantitative transmission and integration of risk information throughout the entire life cycle, solves the problem of inaccurate risk assessments caused by independent assessments and fragmented information in traditional methods.

The utility model relates to the technical field of chemical reagent additive storage, and discloses a laboratory chemical reagent additive storage device which comprises a supporting table, a protective shell is fixedly connected to the upper surface of the supporting table, a supporting rod is fixedly connected to the upper surface of the supporting table, and a plurality of main rotating discs are rotationally connected to the outer wall of the supporting rod. A storage assembly is installed in the main rotating disc. The storage assembly comprises an auxiliary rotating disc, the outer wall of the auxiliary rotating disc is rotationally connected into the main rotating disc, a plurality of containing holes are formed in the auxiliary rotating disc in a penetrating mode, and a plurality of arc-shaped plates are arranged below the auxiliary rotating disc. According to the reagent tube fixing device, reagent tubes are placed in the placing holes, the first springs push the limiting plates to abut against the outer walls of the reagent tubes by means of counter-acting force, and the preliminary stabilizing effect is achieved; second springs push limiting blocks on clamping plates to slide on the inner walls of the limiting plates, the clamping plates move along with the limiting plates, fine adjustment can be conducted according to the sizes of the reagent tubes, the reagent tubes are further stabilized, and the practicability of the device is improved.

The invention relates to the technical field of laboratory risk assessment, and discloses a laboratory detection quality control risk assessment method, which comprises the following steps: acquiring a risk identification range of laboratory chemical detection quality control, and identifying main risk factors of laboratory chemical detection quality control by adopting a preset risk identification method; constructing a target risk assessment model based on an AHP-entropy weight method, and outputting a laboratory chemical detection quality control risk level by adopting the target risk assessment model according to the main risk factors; and constructing an auxiliary risk assessment model based on a TOPSIS method to perform accurate determination and reliability verification on the target risk assessment model. According to the laboratory detection quality control risk assessment method provided by the invention, the laboratory can be helped to identify potential risks, assess risk levels and take corresponding control measures, so that the detection quality is improved, and the possibility of occurrence of quality accidents is reduced.

The invention relates to the field of wastewater treatment, in particular to a laboratory chemical wastewater purification treatment device. The invention provides a laboratory chemical wastewater purification treatment device which can enable wastewater reaction to be more sufficient, can also enable wastewater in different layers to be discharged separately, and is convenient for next wastewater treatment. The invention discloses a laboratory chemical wastewater purification treatment device which comprises a shell, an isolation plate, a layering plate and the like, an isolation plate is fixedly connected to the interior of the shell, and three layering plates are slidably connected to the isolation plate. An operator pours in wastewater, the wastewater can be roughly divided into three layers after reaction is completed, the operator pushes a handle, an inner cavity of the shell is divided into three parts, the operator opens a water plug, wastewater of different layers can flow out of different water outlet pipes respectively, the discharge rate of the wastewater is increased, and solid particles, suspended floccules and solutions can be separately discharged. The subsequent treatment on the wastewater is facilitated.