The treatment and detection of nickel-containing electroplating wastewater is an important topic in the field of environmental protection. This paper analyzes the generation and composition of nickel-containing wastewater in the electroplating process, and discusses the impact of nickel-containing wastewater on the environment and human health. In order to improve the detection accuracy and efficiency, this paper optimizes the existing detection methods, including the improvement of pre-treatment technology, the optimization of detection equipment and methods, and the application of automated and intelligent detection systems. The experimental study verified the effectiveness of the optimized detection method in improving sensitivity, shortening detection time, and reducing detection costs, providing technical support for the effective management and treatment of electroplating wastewater.

As the core component of the current power system of automobiles, the durability of key components has a decisive impact on the overall performance and safety of the vehicle. The purpose of this article is to explore an efficient method for evaluating the durability of core components of automotive engines, in order to improve the reliability of components and the safety of the entire vehicle. The article examines the current development trend of durability assessment technology and analyzes the limitations of existing technologies. Propose a comprehensive evaluation method that integrates experimental verification and numerical simulation, which can effectively evaluate the durability of components in different working environments. Through experimental verification and data analysis, the accuracy and efficiency of the proposed method were verified, and future research directions and improvement suggestions were predicted and anticipated.

As an important energy resource, the quality of coal directly affects combustion efficiency, environmental emissions, and product quality. Traditional detection methods rely on manual sampling and laboratory testing, which have issues such as uneven sampling, cumbersome operations, and long cycles, making it difficult to meet real-time and accurate requirements. This paper proposes optimization solutions including multimodal information fusion, standardization and automation, and intelligent monitoring systems. These technologies significantly improve the accuracy and efficiency of coal quality detection and have been validated in both laboratory and industrial applications, demonstrating their great potential in real-time monitoring and management of coal quality. The optimized methods not only more accurately reflect the actual ash and sulfur content in coal products but also provide strong technical support for the development of the coal industry, achieving intelligent and efficient coal quality monitoring.

With the continuous development of coal mining, the safe operation of coal mine mechanical and electrical equipment is very important. This paper discusses the application of ultrasonic detection technology in the safety detection of coal mine mechanical and electrical equipment, expounds the principle and characteristics of ultrasonic detection technology, and analyzes its specific application methods in the detection of various faults and defects of coal mine mechanical and electrical equipment, including the detection of mechanical parts and electrical equipment. By discussing the measures of improving the application effect of ultrasonic detection technology, the effectiveness of ultrasonic detection technology in the safety detection of coal mine electromechanical equipment is shown for its reference.

Phosphorus is one of the important nutrient elements in the soil, which has an important influence on crop growth. The availability and availability of phosphorus elements vary in their morphology. Accurate and rapid analysis of phosphorus morphology in soil is crucial for rational fertilization and increasing crop yield. This paper discusses the rapid analysis method of phosphorus elements in soil morphology, introduces the determination of phosphorus including instrument working conditions setting, working curve and ICP method. The application of ICP method as a simple and easy detection method in phosphorus analysis was discussed, through the actual detection method to verify the accuracy and reliability of different detection methods. Finally, the comprehensive application of various methods can quickly and accurately analyze the morphology of phosphorus in soil.

Objective To establish a high-performance liquidchromatography method for the detection of dibenzothiazole disulfide(MBTS) in soil. Methods Extract using acetonitrile ultrasound for 30minutes, filter through an organic membrane filter, and purify through aC18 column. Use an HPLC analyzer with set flow rate of ${0.7}\mathrm{\;{mL}}/\mathrm{{min}}$ andcolumn temperature of ${40}^{\circ }\mathrm{C}$ , and the soilsample is separated for qualitative analysis and quantitative analysisusing external standard method at a detection wavelength of ${275}\mathrm{\;{nm}}$ . Results Byoptimizing the pre-treatment and chromatographic conditions for MBTSdetection, acetonitrile was used as the extraction solvent, C18 columnserves as the purification column. An appropriate gradient elutionprogram has a good effect on reducing matrix effects in soil andanalyzing target compounds. Through methodological validation, it wasfound that, the relative standard deviation of MBTS spiked precisionranges from 0.070% to 0.201%. The relative standard deviation of MBTSspiking accuracy ranges from 0.071% to 0.646%, and the spiking recoveryrate ranges from 91.0% to 97.1%, the detection limit of MBTS method is0.003 mg/kg, and the lower limit of determination is ${0.013}\mathrm{{mg}}/\mathrm{{kg}}$ . Conclusion This method has the advantages of simple operation, lowdetection limit, short testing time, low interference, high precisionand accuracy, and can provide technical support for the MBTS insoil.

Water is a necessary substance for all living things on the earth, so it is very important to monitor pollutants in the water environment. At present, many analytical methods have been proposed for the detection of water pollutants. Portable sensor detector is of special importance because of its simple operation, low cost and portability. This paper first introduces the application of portable rapid detection technology, and further reviews the research progress of rapid detection technology for biological and non-biological pollutants in water bodies. Finally, the current research progress is summarized, which provides a reference for the further development of rapid detection technology.

In order to further explore the application value of enterprise environmental monitoring laboratories and enhance the feasibility of using laboratory data for self monitoring work, this article analyzes the development status, quality status, and influencing factors of enterprise environmental monitoring laboratories in Dongguan City one by one. At the same time, combined with field research data, real cases are analyzed, and specific reference opinions and suggestions are proposed to promote the continuous improvement of the value of enterprise environmental monitoring laboratories.

Laser surface acoustic wave technology is an emerging non-destructive testing method that exhibits unique advantages in surface damage assessment during material processing. This article focuses on the application of this technology in the quantitative characterization of surface cracks, roughness, and thermal damage. High sensitivity and strong quantification ability for damage detection have been achieved through laser excitation of surface waves and analysis of their propagation characteristics. Optimizing the incentive reception scheme and signal processing algorithm can further improve detection performance. Experimental studies have shown that there is a deterministic correlation between the time-frequency domain characteristic parameters of surface waves and the damage dimension, laying the foundation for engineering applications.

Objective To study the application of cell morphology inblood smear and automatic blood cell analyzer detection in blood routineexamination. Methods A analys was was conducted on 180 patients withsuspected Macrocellular anemia at Yishui County People’s Hospital fromFebruary 2020 to February 2023. The positive detection rates of diseasewere statwastically analyzed for individual and combined tests, and thepositive detection rates of toxic particles/vacuolar degeneration,nucleated red blood cells, and atypical lymphocytes were alsostatwastically analyzed for individual and combined tests, statwasticalanalyswas of diagnostic efficacy for individual and joint testing. Results The positive detection rates of monocytes, neutrophils,lymphocytes, basophils, and eosinophils detected by the combination ofblood smear cell morphology and fully automated blood cell analyzer werehigher than those detected alone $\left({P<{0.05}}\right)$ . The positive detection rates of toxicparticle/vacuolar degeneration, nucleated red blood cells, and atypicallymphocytes detected by the combination of blood smear cell morphologyand fully automated blood cell analyzer were higher than those detectedalone $\left({P <{0.05}}\right)$ .The sensitivity, specificity, accuracy, and negative predictive value ofthe combined detection of blood smear cell morphology and fullyautomated blood cell analyzer were higher than those of individualdetection $\left({P<{0.05}}\right)$ . Conclusion The value of combined detectionof blood smear cell morphology and fully automated blood cell analyzerin blood routine examination is higher, so is worthy of promotion.