Low contrast detail detection phantom of breast machine - tissue equivalent solid water

about us

about We

two thousand and ten^year
Date of establishment
Date of establishment
two hundred⁺
Registered capital
Registered capital
three hundred and sixty-five^day
Careful service
Careful service

Shanghai NaYou Instruments&Meters Co., Ltd., founded in 2010, is a professional environmental protection equipment and nuclear radiation equipment provider integrating R&D, sales and technical services, providing customers with high-quality products and comprehensive solutions. At present, the company is mainly engaged in nuclear radiation instruments, radiation and protective equipment, pollution monitoring and decontamination equipment, medical physics and other equipment. Our company has represented many foreign nuclear instrument brand products, including ThermoFisher, Canberra, ORTEC, Berthold, Nuvia, Narda, VF, LND, IBA, CIRS, MIRION, IMI and S E. Etc; At the same time, we have reached integration and assembly agreements with many manufacturers at home and abroad. Over the years, we have continued to provide high-quality and high-performance products and full F level technical support and services to many fields and departments such as China's nuclear industry, environmental protection bureaus, chemical plants, environmental monitoring stations, disease control centers, colleges and universities. Our company adheres to the principle of "quality first, integrity based, service first..."

article

technology article

two thousand and twenty-four
9-26

Nuclear radiation detectors play a key role in many fields
Nuclear radiation detector is a very important scientific instrument, which plays a key role in many fields and helps us better understand and manage the risks caused by nuclear radiation. By using these equipment, we can effectively monitor and control the use of radioactive substances, protect human health and environmental safety. When purchasing, it is important to ensure that the selected instruments can meet the needs of individuals or professionals. Key factors include determination of purpose, accuracy, sensitivity, anti-interference ability and ease of operation. During operation, important steps include calibration, proper use, maintenance and servicing. Selection guide of nuclear radiation detector: - Determine the use: select the appropriate type according to the actual needs. For home use, a portable Geiger Miller counter is usually sufficient
two thousand and twenty-four
4-23

The thermoluminescence dosimeter has a long service life and low maintenance cost
Thermoluminescence dosimeter is usually composed of thermoluminescent materials, readout instrument and optical system. The thermoluminescent materials are generally aluminum oxide, lithium borate and other materials with good thermoluminescent properties, which are placed in a radiation environment. When irradiated, these materials will be excited and emit thermoluminescence signals. The thermoluminescence signals generated by these materials are excited and converted into digital signals for recording and analysis. Thermoluminescence dosimeter has high dose response linearity and dose rate effect, and can accurately measure low-dose radiation. It has high repeatability and stability, and the deviation of measurement results is very small during long-term use. In addition, it can be reused, with long service life and low maintenance cost. Thermoluminescence dosimeter
two thousand and twenty-four
3-25

How to select a fixed radiation alarm?
The fixed radiation alarm device is mainly used for radiation monitoring in radiation workplaces such as nuclear power plants, hospitals, laboratories, etc. It can detect and deal with radiation accidents in a timely manner, and ensure the life safety of personnel and the health of the environment. 1. High sensitivity: it can accurately detect the existence of radiation sources, monitor and alarm the radiation level, and ensure that timely measures are taken to prevent radiation from causing harm to human body. 2. Good stability: fixed installation is adopted, which is not easily affected by external factors, has high stability, and can work for a long time without frequent maintenance. 3. Real time monitoring: it can monitor the radiation level in real time and give an alarm at any time to ensure the safety of personnel. 4. Automatic alarm: when the set radiation threshold is exceeded, an alarm signal will be automatically sent to remind the staff
two thousand and twenty-four
2-15

Use method of X-ray field inspection ruler
There are some limitations in the X-ray field inspection ruler. X-ray radiation may cause harm to human body and the environment, so appropriate protective measures need to be taken when using it. Secondly, large errors may occur when measuring transparent or low-density objects, because transparent objects have almost no absorption effect on X-ray. When an object is placed under the X-ray beam, the X-ray will pass through the object and intersect the detector. The detector is composed of a row of detection elements, each of which can detect the position where X-rays pass. When the detection element is affected by the X-ray beam, it will generate an electrical signal output. After the X-ray passes through the object, the intensity of the transmitted X-ray will be affected by the thickness, density and other factors of the object. The signal intensity received by the detection element at each position is also
two thousand and twenty-four
1-18

Dose area product meter helps to protect human body from radiation hazards
Based on the principle of radiation dose measurement, the dose area product meter uses radiation sensors to sense radiation particles or radiation energy, and measures and records the number of ionization events through a recorder. This instrument plays an important role in radiation exposure monitoring and assessment, and helps to protect human body from radiation hazards. The usage of the dose area product meter is as follows: 1. Ensure that the meter has been charged or a new battery has been installed. 2. Turn on the power switch of the instrument and wait for a period of time for the instrument to self check. 3. Ensure that the detector of the instrument is intact and used in the required measurement area. 4. The instrument will automatically start measuring according to the radiation intensity and time, and display the current measurement results. 5. If continuous measurement is required, the instrument can be placed at the required position
two thousand and twenty-three
12-26

The working principle of X-ray multi-function quality detector is based on the characteristics of X-ray
The working principle of X-ray multi-function quality detector is based on the characteristics of X-ray. X-ray is a kind of high-energy electromagnetic radiation, which can penetrate materials and interact with atoms in materials. The propagation of X-rays in materials will occur scattering, absorption, transmission and other processes, and different kinds of materials have different responses to X-rays. When X-rays hit the object to be tested, some of the rays will be reflected by the object surface, some will be absorbed by the object surface, and the remaining rays will further penetrate into the object interior. The ray penetrating into the object will scatter and absorb with the atoms inside the object. The internal organizational structure and defects of the object will affect the propagation path and intensity of X-ray. X-ray multi-function quality detector usually consists of the following components: 1