Causes of Diesel Burning Tiles

First, there is no proper use of lubricants according to the season. Different viscosity grades should be used in different weather conditions. For example, using low-viscosity oil in summer can lead to diesel engine bearing failure because the oil film on the bearing surface may not form properly, resulting in dry friction and damage. Second, dirty or contaminated lubricating oil can cause serious problems. If unclean oil is added to the engine, it can clog the oil passages, leading to poor lubrication and eventually burning of the bearings. Third, improper oil levels are another common issue. Adding too much oil can cause the engine to burn oil during operation, leading to carbon buildup. On the other hand, adding too little oil can result in insufficient lubrication and potential shaft damage. The ideal oil level is typically between the upper and lower marks on the dipstick. Fourth, many operators neglect to monitor the oil pressure gauge. Under normal operation, the oil pressure should be between 0.15 to 0.25 MPa, while at idle, it should not drop below 0.5 MPa. Ignoring these readings can prevent early detection of potential issues, which may lead to more severe damage over time. Fifth, incorrect clearance between the shaft and the bearing bush can also cause problems. If the clearance is too small, oil may not flow properly, preventing the formation of a proper oil film. If the clearance is too large, oil can be lost quickly, making it difficult to maintain an effective lubrication layer. During repairs, it's essential to ensure that the bearing clearance falls within the manufacturer’s specified range. Lastly, long-term overload operation can lead to bearing failure. Continuous heavy loads increase engine temperature and reduce engine speed, which increases the load on the bearings. At the same time, the oil pump’s output decreases, and the oil viscosity drops under high temperatures, making it more likely for the bearings to burn out. Regular maintenance and proper operating practices are crucial to avoid such issues.

Magnetic Bead Nucleic Acid Extraction Reagent

The magnetic bead method nucleic acid extraction kit is a high-tech product that combines biological science and nanomaterial science. It is a major breakthrough in my country's nucleic acid extraction and purification technology. . Magnetic bead method for nucleic acid extraction has incomparable advantages over traditional DNA extraction methods, which are mainly reflected in: 1. It can realize automatic and large-scale operation. At present, there are 96-well nucleic acid automatic extraction instruments, and the extraction time of one sample can be realized. The processing of 96 samples complies with the high-throughput operation requirements of biology, enabling rapid and timely response to infectious disease outbreaks, which makes traditional methods unmatched; â‘¡ The operation is simple and time-consuming, and the entire extraction process has only four steps , most of them can be completed within 36-40 minutes; â‘¢ Safe and non-toxic, no toxic reagents such as benzene and chloroform in traditional methods are used, and the damage to experimental operators is minimized, which fully conforms to modern environmental protection concepts; â‘£ Magnetic beads and nucleic acids The specific binding of the extracted nucleic acid results in high purity and high concentration of the extracted nucleic acid. According to the same principle as the silica membrane spin column, the superparamagnetic silica nano-magnetic beads are prepared after the surface of the superparamagnetic nanoparticles is modified and modified by nanotechnology. The magnetic beads can specifically recognize and efficiently bind to nucleic acid molecules on a microscopic interface. Using the superparamagnetic properties of silica-coated nanomagnetic microspheres, under the action of Chaotropic salts (guanidine hydrochloride, guanidine isothiocyanate, etc.) and an external magnetic field, samples from blood, animal tissues, food, pathogenic microorganisms, etc. The isolated DNA and RNA can be used in clinical disease diagnosis, blood transfusion safety, forensic identification, environmental microbial testing, food safety testing, molecular biology research and other fields. Magnetic bead nucleic acid extraction can generally be divided into four steps: lysis-binding-washing-elution. Genetic testing will surely become a new symbol of the development of the biological industry. The emergence of high-throughput, automated nucleic acid extraction methods will reduce the labor cost of genetic testing, make large-scale testing a reality, and make it possible for genetic testing to reach ordinary people.

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