Yearly Archives: 2024

　　Walk-through metal detectors help to ensure a safer environment by screening for prohibited items and preventing potential threats.In addition to innate advantages, walk through metal detector Its own product attributes are also extremely high-end, in order to remain unbeaten in the market competition. https://secuzoan.com/

　　Walk-through metal detectors are used in many industries, such as factories, airports, and stations, and even schools. There are many students in schools, so safety is very important. When there are many people in school, such as during school hours and after school, the school will strengthen security patrols. But this is not enough. Some schools have set up security gates at the entrance to prevent weapons and other dangerous items from entering the school.

　　walk-through metal detectors

　　At the school gate, such an important place, people entering and leaving are not searched one by one. This practice is not practical, but will disrupt students’ learning psychology, and it is also a violation of human rights. If high-tech such as walk-through metal detectors are used in schools, dangerous items of dangerous people can be detected.

　　In addition, some smart walk-through metal detectors can also use the latest technology to detect whether the passer-by is carrying a mobile phone, which can effectively prevent students from bringing mobile phones into the campus to affect their study and rest, and can also prevent students from bringing mobile phones into the examination room and cheating by searching for answers on the Internet.

　　walk-through metal detectors

　　ZA5000

　　Therefore, it is necessary to install walk-through metal detectors in schools. The best location for walk-through metal detectors in schools is at the main entrance and the entrance of the passage. There should be no large metal objects within the installation range, otherwise it will cause other troubles. When installing walk-through metal detectors on campus, its sensitivity can be adjusted according to the actual situation, so that a good alarm effect can be achieved. After installing walk-through metal detectors, students should be avoided from crowding at the passage. It is recommended that you choose walk-through metal detectors with wider width and higher detection rate, so that the detection efficiency will be higher.

　　Travel memory foam neck pillows have become essential companions for travelers seeking comfort and support on the go. These pillows provide a range of benefits, making them a worthwhile investment for frequent flyers, long road trips, or even everyday use. However, like any product, they come with potential issues that users should be aware of. Here¨s an in-depth look at the advantages of memory foam neck pillows and common problems to watch for, along with tips on how to address them.Not only does it perform well in data, travel pillow memory foam In the market share, it is also gradually expanding, so that more people can benefit. https://tainengjikang.com/

　　The Benefits of Travel Memory Foam Neck Pillows: Why They¨re Worth the Investment and Common Problems to Watch For

　　Benefits of Travel Memory Foam Neck Pillows

　　1. Superior Comfort and Support

　　Memory foam neck pillows are renowned for their superior comfort and support. Unlike traditional travel pillows, memory foam contours to the shape of your neck and shoulders, providing customized support. This helps reduce strain and pressure, making it easier to relax and sleep during your journey.

　　2. Enhanced Neck and Spine Alignment

　　Proper alignment of the neck and spine is crucial during travel to avoid discomfort and potential pain. Memory foam pillows support the natural curve of your neck, helping to keep your spine aligned. This is especially beneficial during long flights or extended periods of sitting, reducing the risk of stiffness and soreness.

　　3. Pressure Relief

　　The viscoelastic properties of memory foam allow it to distribute pressure evenly. This helps alleviate pressure points that can lead to discomfort or pain. Whether you¨re sitting in an airplane seat or a car, the pressure-relieving qualities of memory foam enhance overall comfort.

　　4. Durability and Resilience

　　Memory foam is known for its durability and resilience. Unlike other materials that may flatten or lose shape over time, memory foam retains its form and support. This makes memory foam neck pillows a long-lasting investment, providing consistent comfort and support throughout their lifespan.

　　5. Portable and Convenient

　　Travel memory foam neck pillows are designed to be portable and convenient. They are lightweight and often come with a removable, washable cover, making them easy to carry and maintain. Many also include a travel pouch or strap, allowing for easy attachment to luggage or a convenient carry handle.

　　6. Versatility

　　While ideal for travel, memory foam neck pillows are versatile enough for various uses. They can be used for support during home relaxation, office work, or even while reading. Their adaptability makes them a practical addition to any lifestyle.

　　Common Problems and How to Address Them

　　1. Unpleasant Odor

　　Problem: New memory foam pillows may emit an initial chemical odor, often referred to as off-gassing.

　　Solution:

　　Ventilate: Place the pillow in a well-ventilated area for a few days before use to allow any odors to dissipate.

　　Use Freshener: If the smell persists, use a fabric freshener or odor-neutralizing spray on the pillow cover, ensuring it is completely dry before use.

　　2. Difficulty in Maintaining Shape

　　Problem: Over time, the memory foam may lose its shape or become uneven.

　　Solution:

　　Proper Storage: Store the pillow in a cool, dry place when not in use. Avoid exposing it to direct sunlight or extreme temperatures.

　　Regular Fluffing: Gently fluff and reshape the pillow regularly to maintain its form.

　　3. Heat Retention

　　Problem: Memory foam can retain heat, which may cause discomfort, especially in warm climates.

　　Solution:

　　Cooling Covers: Use a pillow cover with cooling or breathable fabric to enhance airflow and reduce heat retention.

　　Ventilated Design: Opt for pillows with ventilation holes or cooling gel layers to improve temperature regulation.

　　4. Pillow Cover Issues

　　Problem: The pillow cover may become dirty or stained over time.

　　Solution:

　　Removable Cover: Choose a pillow with a removable and washable cover. Follow the care instructions for washing to keep the cover fresh and clean.

　　Spot Cleaning: For minor stains, spot clean the cover with a mild detergent and water. Ensure it is completely dry before reattaching it to the pillow.

　　5. Sizing and Fit Issues

　　Problem: The pillow may not fit comfortably around all neck sizes or shapes.

　　Solution:

　　Adjustable Features: Look for pillows with adjustable straps or customizable shapes to ensure a better fit.

　　Try Before Buying: If possible, try the pillow in-store or check the return policy to ensure it meets your comfort needs.

　　6. Allergies and Sensitivities

　　Problem: Some users may experience allergies or sensitivities to the materials used in memory foam pillows.

　　Solution:

　　Hypoallergenic Covers: Choose a pillow with a hypoallergenic cover or one made from natural materials to reduce the risk of allergic reactions.

　　Consult Manufacturer: Check with the manufacturer about the materials used and choose products specifically designed for sensitive individuals.

　　Air source heat pump is a new type of energy equipment that uses heat energy in the air for heating and cooling. It can not only provide heating in winter, but also cool in summer, realizing the function of one machine for multiple uses. Air energy technology is becoming more and more advanced, and its product application fields are becoming more and more extensive, covering commercial hot water, heating, cooling, drying, industry and constant temperature greenhouses. Today, Mango Energy editor will take you to learn about air source heat pumps.According to related reports, heat pumps for sale To a large extent, it leads the changes of market conditions. http://mangoenergyheatpump.com

　　1. Residential heating

　　In order to reduce coal pollution in winter, improve air quality, and ensure residents’ comfortable life in winter; in rural areas or residential areas with high ecological requirements that are not covered by heat and gas pipelines, heat pump heating is promoted.

　　2. One machine for two purposes, heating and cooling

　　Many users think that air source heat pumps can only heat, but in fact, it is a one-machine dual-purpose, and both cooling and heating can meet the requirements. The area of the evaporator of the air source heat pump product, the fins of the evaporator, and the heat exchange air volume spacing are all larger than those of the central air conditioner; in summer cooling, the evaporator becomes a condenser, and the condenser plays a heat dissipation role outdoors. Therefore. The performance of the heat energy emitted is better than that of central air conditioning; in simple terms, it can completely replace central air conditioning when cooling, and it also avoids repeated investment in the family, with one machine for two purposes.

　　3. Domestic hot water

　　The air source heat pump uses the energy in the air to generate heat energy, providing the whole family with different hot water needs with large water volume, constant temperature and high water pressure 24 hours a day; the power consumption is 1/4 of ordinary electric water heaters, 1/3 of gas water heaters and 1/2 of solar water heaters.

　　LED display screen is widely used in outdoor advertising, including but not limited to the following aspects:In order to achieve the goal, led display screens Turn cocoon into butterfly, constantly polish product quality, improve business ability, and finally have a place in the market. https://www.cnpled.net/

　　Brand image display

　　LED display screen can be used to display the logo, slogan and image of the brand, and strengthen the impression of the brand in the hearts of consumers. Through the display effect of high brightness and high definition, LED display screen can attract the attention of pedestrians and improve the brand’s popularity and exposure.

　　Product promotion and publicity

　　LED display screen can be used to show the characteristics and advantages of products and attract the attention of potential consumers. For example, automobile brands can use LED display to show the appearance, interior and performance of automobiles, so that consumers can have a more intuitive understanding of products. In addition, the LED display screen can also be used to play product advertisements and promote product sales.

　　Activities and celebration publicity

　　LED display screen is also widely used in various activities and celebrations. For example, in concerts, sports events and exhibitions, LED display screens can be used to play activity previews, promotional videos and live pictures to attract the attention of the audience. At the same time, LED display screen can also be used to display activity information and participate in interaction, so as to improve the participation and influence of activities.

　　interactive advertisement

　　The LED display screen can interact with consumers to provide a more personalized advertising experience. For example, consumers can interact with LED display screen, participate in advertising activities or get more information through interactive methods such as touch screen or camera. This interactive advertising form can improve the participation and stickiness of consumers and increase the conversion rate of advertisements.

　　Digital media display

　　LED display screen can be combined with digital media technology to provide more diversified advertising forms. For example, through the connection with the Internet, mobile devices and social media, the LED display screen can update the content in real time and show the latest advertising information. In addition, through data analysis and technical support, advertisers can also monitor and adjust the advertising effect of LED display screen in real time to improve the accuracy and effect of advertising.

　　Generally speaking, the application of LED display screen in outdoor advertising has diversified characteristics, which can meet the needs of different advertisements and target audiences. Through the high definition, high brightness and interactive display effect, LED display screen can provide a more vivid and three-dimensional advertising experience, and enhance consumers’ awareness and goodwill towards the brand.

　　Mold core pins are slender, cylindrical components inserted into the mold cavity to create holes or internal features in the final product. They are made from various materials, including stainless steel, tool steel, and carbide, depending on the application and material being molded. Their primary function is to ensure the accuracy and integrity of the internal features of molded parts.In order to grow rapidly, moulded plastic parts Do not hesitate to change the strategy and rearrange the products, so as to obtain unexpected results. https://www.dghrjmmj.com

　　1. The Role of Core Pins in Injection Molding

　　Core pin injection molding relies heavily on the precision of these pins. They define the exact shape and dimensions of the internal features of a part. Any deviation in the size, shape, or position of the core pins can result in defects, affecting the functionality and aesthetics of the final product. High-quality mold core pins ensure that each molded part meets the required specifications with minimal variation.

　　2. Durability and Wear Resistance

　　Mold core pins must withstand the high pressures and temperatures of the injection molding process. A reputable mold core pins factory produces pins with excellent durability and wear resistance, ensuring they can endure repeated cycles without significant wear or deformation. This durability translates to longer mold life and consistent part quality over time.

　　3. Material Selection

　　The choice of material for mold core pins is crucial. Different materials offer varying levels of hardness, toughness, and resistance to wear and corrosion. A reliable mold core pins supplier can provide guidance on the best material for specific applications, ensuring optimal performance and longevity. For instance, carbide core pins are known for their exceptional hardness and wear resistance, making them ideal for high-volume production runs.

　　4. Surface Finish and Coating

　　The surface finish of mold core pins plays a significant role in the injection molding process. Smooth, polished surfaces reduce friction and wear, enhancing the pin’s lifespan and the quality of the molded parts. Additionally, some core pins are coated with specialized materials to further improve their performance. These coatings can provide additional wear resistance, reduce friction, and enhance the release of the molded part from the pin.Importance of Choosing the Right Mold Core Pins Supplier and Factory

　　Selecting the right mold core pins supplier and factory is critical to the success of the injection molding process. Here are some factors to consider:

　　5. Quality and Consistency

　　A reputable supplier ensures that each mold core pin meets stringent quality standards. Consistent quality is vital to maintain the precision and integrity of the molded parts, reducing the risk of defects and rejections.

　　6. Customization and Expertise

　　Different injection molding projects have unique requirements. A skilled supplier can provide customized mold core pins tailored to specific applications. Their expertise in material selection, design, and manufacturing ensures optimal performance and longevity.

　　7. Timely Delivery and Support

　　In the fast-paced manufacturing industry, timely delivery is crucial. A reliable mold core pins factory ensures on-time delivery of high-quality pins, minimizing downtime and production delays. Additionally, they offer ongoing support and assistance, helping manufacturers address any challenges that may arise during the molding process.

　　Mold core pins are essential components in the injection molding process, significantly affecting the precision, durability, and overall quality of molded parts. Choosing a reliable mold core pins supplier and factory ensures that these critical components meet the highest standards, contributing to the success and efficiency of the injection molding process. By understanding the role and importance of core pins, manufacturers can make informed decisions, leading to improved product quality and manufacturing efficiency.

　　In today’s technologically advanced world, PIR (Passive Infrared) motion sensors have become a cornerstone for enhancing security and automation. Their versatility allows them to be used in various settings, but one of their most critical applications is in outdoor environments. Effectively utilizing PIR motion sensors outdoors can significantly boost security, energy efficiency, and convenience. Here¨s how to harness the full potential of these devices.As a representative of the industry, passive infrared sensor It is necessary to set a certain example for peers and lead the way in product quality. https://www.sunlit-tech.com

　　PIR motion sensors work by detecting changes in infrared radiation within their field of view. This makes them ideal for outdoor environments where detecting movement or changes in heat patterns can be crucial. These sensors, often referred to as PIR detectors, are designed to identify the heat emitted by moving objects, such as people or animals, which makes them highly effective in surveillance and security systems.When installing PIR motion sensors outdoors, the key is to understand their operating principles and optimize their placement. Unlike indoor environments, outdoor spaces can present challenges such as varying temperatures, weather conditions, and potential obstructions. To maximize the effectiveness of your motion detector sensors, it¨s essential to consider these factors carefully.

　　First and foremost, the placement of PIR motion sensors is crucial. Positioning them at strategic locations can help cover larger areas and ensure comprehensive monitoring. Common placements include near entryways, driveways, and garden paths. It¨s important to avoid placing sensors directly in the path of sunlight, as extreme heat can interfere with their ability to detect motion accurately. Additionally, ensure that the sensors are installed at a height that allows them to effectively cover the desired area without being obstructed by foliage or other objects.

　　Adjusting the sensitivity of your PIR motion sensors can also enhance their performance in outdoor settings. Many models come with adjustable sensitivity settings, which can be fine-tuned based on the specific needs of the environment. For instance, you might want to set a higher sensitivity level for areas with frequent foot traffic or lower sensitivity for locations with less activity. Proper calibration ensures that the sensor responds accurately to real threats while minimizing false alarms.Incorporating motion sensor alarms into your outdoor setup can add an extra layer of security. These alarms are activated when the PIR motion sensors detect unusual movement, providing immediate alerts and deterrence against potential intruders. Integrating these alarms with a broader security system can further enhance their effectiveness. For example, pairing PIR motion sensors with video surveillance cameras can provide a comprehensive security solution that not only detects but also records suspicious activities.Another important consideration is the power source for outdoor PIR motion sensors. Many models are designed to be weather-resistant and can operate on battery power or be hardwired into an electrical system. Battery-operated sensors offer flexibility in placement but may require periodic maintenance to ensure they remain operational. On the other hand, hardwired systems provide a more permanent solution but require more extensive installation.

　　Weatherproofing is essential for outdoor PIR motion sensors to ensure their longevity and consistent performance. Choose sensors specifically designed to withstand various weather conditions, including rain, snow, and extreme temperatures. Proper installation with sealed enclosures can help protect the sensors from environmental factors that could otherwise impact their functionality.Regular maintenance is also key to keeping your PIR motion sensors in top working condition. Periodically check the sensors for any obstructions, dirt, or debris that may affect their performance. Cleaning the sensors and ensuring that they are free from obstructions will help maintain their sensitivity and accuracy.

　　In summary, effectively using PIR motion sensors in outdoor environments involves careful planning and consideration of various factors. By strategically placing sensors, adjusting their sensitivity, integrating motion sensor alarms, and ensuring proper weatherproofing and maintenance, you can maximize their benefits. These steps not only enhance security but also contribute to a more efficient and automated outdoor space. Embracing these practices will help you make the most of your PIR motion sensors and ensure they serve their purpose effectively.

　　When it comes to enhancing vehicle safety and visibility, truck lights play a crucial role. While most truck owners are familiar with basic lighting features, there¨s much more to truck lights than meets the eye. As a professional in the field of vehicle lighting, particularly focusing on truck LED warning lights, we delve into some lesser-known facts and insights about these essential components.Truck LED warning lights are indispensable for ensuring safety on the road. These lights are designed to alert other drivers to the presence of a large vehicle, especially in challenging conditions such as fog, rain, or low light. Their high visibility helps prevent accidents and enhances the safety of both truck drivers and other road users.Industry experts have said that, led strobe warning lights It is very possible to develop and expand, which can be well seen from its previous data reports. https://www.lkx-mascarello.com

　　1. Advanced Technology in LED Warning Lights

　　Truck LED warning lights are at the forefront of lighting technology. Unlike traditional halogen lights, LED lights offer superior brightness, longer lifespan, and lower energy consumption. This makes them an ideal choice for trucks that require reliable and powerful lighting solutions. Modern LED warning lights are equipped with advanced features like strobe effects and customizable patterns, providing flexibility to meet various safety and visibility needs.

　　2. Manufacturing Excellence: The Role of Truck LED Warning Light Factories

　　The production of truck LED warning lights involves intricate processes to ensure high quality and durability. Truck LED warning light factories utilize cutting-edge technology and stringent quality control measures to produce lights that meet industry standards. These facilities are equipped with state-of-the-art machinery to handle the precision requirements of LED technology, ensuring that every light produced offers optimal performance and reliability.

　　What You Didnt Know About Truck Lights

　　What You Didnt Know About Truck Lights

　　3. The Expertise of Truck LED Warning Light Manufacturers

　　Truck LED warning light manufacturers play a pivotal role in the development and distribution of these crucial components. Longkexin focus on designing lights that not only enhance visibility but also withstand the harsh conditions encountered in trucking environments. Longkexin manufacturers invest in research and development to continually improve their products, integrating features such as water resistance, shock resistance, and enhanced brightness. Longkexin ensures that truck lights are both functional and durable, providing long-term value to truck operators.

　　4. Versatility of Truck LED Strobe Lights

　　Truck LED strobe lights are a popular choice for emergency and safety applications. These lights use rapid flashes to draw attention, making them ideal for use in situations where high visibility is critical. They are commonly used by emergency vehicles and for roadside safety to alert other drivers of potential hazards. The versatility of LED strobe lights allows for various mounting options and configurations, making them suitable for a wide range of applications beyond standard truck lighting.

　　5. Customization and Innovation in Truck Lighting

　　As the demand for personalized and innovative truck lighting solutions grows, Longkexin is offering more customization options. From different light patterns and colors to adjustable mounting systems, truck LED warning lights can now be tailored to meet specific needs and preferences. This customization ensures that truck operators can achieve the optimal balance of visibility and aesthetics, enhancing both safety and vehicle appearance.

　　Generally speaking, stainless steel is considered to be non-magnetic. However, in fact, austenite series materials may be magnetic after certain processing technology, but it is not correct to think that magnetism is the standard for judging the quality of stainless steel fasteners.Now, everyone is right 304 stainless steel screws Are more concerned, hoping to get more benefits from it. https://shwhardware.com

　　Dai Nan Stainless Steel Screw Manufacturer

　　Dai Nan Stainless Steel Screw Manufacturer

　　The use of nickel in stainless steel screws used to rely on the use of nickel in the process of using stainless steel as the material, but the price of fasteners has also been greatly affected by the global price increase of nickel. In order to reduce the cost pressure and improve the competitiveness of fasteners, the manufacturers of stainless steel screws in Dai Nan have specially searched for replacement materials and produced low-nickel stainless steel fasteners.

　　Grade of stainless steel bolts

　　Grade of stainless steel bolts

　　Stainless steel screw 304 price list, Dai Nan stainless steel screw manufacturer, stainless steel bolt grade, stainless steel screw model daquan.

　　Complete collection of stainless steel screw models

　　Complete collection of stainless steel screw models

　　Anti-corrosion treatment of stainless steel screw surface refers to the application of various methods to apply a maintenance layer on the metal surface, which is used to isolate the metal from the corrosive environment, so as to inhibit the corrosion process, or reduce the contact between corrosive media and the metal surface, so as to avoid or reduce corrosion. Stainless steel bolt grade Stainless steel U-bolt manufacturers produce stainless steel U-bolts with national standard specifications, and the specific models and specifications include stainless steel 304u-bolts and stainless steel 316u-bolts. We provide you with comprehensive U-bolt inventory products and provide U-bolt specifications and sizes, U-bolt specifications and sizes, fasteners, U-bolt specifications and models, U-bolt national standard, stainless steel screw models, U-bolt processing and U-bolt prices. If the fasteners in stainless steel screws use stainless steel as the main material, we should also know about the magnetism of stainless steel itself.

　　The Mango R32 DC inverter heat pump is a cutting-edge solution designed to enhance energy efficiency and reduce costs. Here¨s how it works:In order to facilitate users to have a better experience, air source heat pump Many attempts have been made to upgrade the products, and the results are also very good, and the market performance tends to be in a good state. http://mangoenergyheatpump.com

　　Advanced R32 Refrigerant

　　The R32 refrigerant used in these heat pumps is known for its low global warming potential (GWP) and high energy efficiency. This means the system can deliver superior heating and cooling performance while minimizing environmental impact and energy consumption.

　　DC Inverter Technology

　　The core of Mango’s energy-saving strategy lies in its DC inverter technology. Unlike traditional heat pumps that operate at a fixed speed, the DC inverter heat pump can adjust its compressor speed based on the demand for heating or cooling. This variable speed operation allows the system to run more efficiently by only using the necessary amount of energy, leading to significant cost savings.

　　Benefits of Inverter Heat Pumps

　　Reduced Energy Consumption: By modulating the compressor speed, the R32 DC inverter heat pump avoids the energy spikes associated with turning the system on and off. This leads to a smoother operation and less energy waste.

　　Lower Operational Costs: With reduced energy consumption comes lower electricity bills. Users of Mango’s inverter heat pumps for sale often report substantial savings over time, making the initial investment highly cost-effective.

　　Improved Temperature Control: The inverter technology allows for precise temperature control, maintaining a more consistent indoor climate. This not only enhances comfort but also reduces the need for frequent adjustments that can waste energy.

　　Smart Features and Durability

　　Mango’s R32 DC inverter heat pumps are equipped with smart features such as programmable thermostats and remote control options. These features allow users to optimize their energy use even further by setting specific temperatures and schedules.

　　Additionally, these heat pumps are built to last, with robust components that require less maintenance and have a longer lifespan. This durability translates into fewer replacements and repairs, saving money in the long run.

　　Environmental and Economic Impact

　　By choosing an inverter heat pump for sale from Mango, consumers are not only cutting down their utility bills but also contributing to a greener planet. The use of the eco-friendly R32 refrigerant and the efficiency of DC inverter technology help reduce the overall carbon footprint.

　　Conclusion

　　Mango’s R32 DC inverter heat pumps are a smart investment for anyone looking to save energy and money. Their advanced technology, eco-friendly refrigerant, and smart features make them an ideal choice for both residential and commercial applications. With the promise of lower operational costs and improved comfort, these heat pumps represent the future of efficient heating and cooling solutions.

　　X-ray machines are mainly divided into medical X-ray machines, that is, medical X-ray machines, and the other type is the luggage X-ray machines that are most commonly used in stations, airports, customs and docks, so some people also call them X-ray luggage security inspection machines or security inspection X-ray machines. However, some people also have doubts: What is the difference between the two? Does security inspection X-ray machines have radiation hazards?In view of the actual needs of society, baggage scanner machines We need to change some original problems to better serve the society and benefit people. https://secuzoan.com/

　　security x-ray machines

　　ZA100100D

　　The principle of security inspection machine is similar to that of medical X-ray machine

　　The principle of medical X-ray machine and security inspection X-ray machine is the same. X-ray machine has three parts. One is the tube, which emits X-ray radiation source. X-ray can pass through the material to see things that our naked eyes cannot see with ordinary light. There must be a tube or X-ray. Second, there must be a high-voltage transformer. The high-voltage transformer converts the general voltage into high voltage, and then provides the tube to generate electrons and then generate X-rays. This is the second part. The third part is the controller, which means how much X-ray I need to release. There must be a control board. All X-ray machines cannot escape this, whether it is X-ray or CT. Although its structure is very complicated, its structure should be the same.

　　Security X-ray machines have less radiation

　　The use of security X-ray machines is to put the luggage into the item scanning X-ray machine. After the inspection is completed, the passenger can take back his luggage and leave. The X-ray machine used for item inspection uses X-rays to pass through the object to obtain X-ray images, which are processed by computers and displayed on the computer screen to identify the image and evaluate the safety of the object. Although the principle is similar to the human body X-ray examination in the hospital, Professor Li Ziping believes that the dose of security X-ray machines should be less than the amount of X-rays irradiated to the human body. Because the security X-ray machine only needs to see the general shape of the object. Medical X-ray machines need to see the human body very clearly, so the radiation dose is greater.

　　Therefore, there is no need to worry too much about the radiation problem of security X-ray machines. In addition, whether the radiation of security X-ray machines has an impact on the human body depends on the amount of radiation received at one time, the total amount of radiation received, the radiation time, and the human body’s regulation of these radiations. Moreover, even if the security inspection machine leaks due to quality problems, it may have an impact on the staff who work nearby for a long time, but it will not have much impact on people who pass by. It is understood that the country implements a licensing management system for the use of nuclear technology. X-ray baggage inspection equipment is a Class III radiation device, which is a low-risk radiation device.