All things in the world are made up of molecules. The molecules are made up of atoms. The atoms are made up of positively charged protons and negatively charged electrons. Under normal conditions, the protons and electrons in one atom are equal in quantity, and the positive and negative charges are balanced. Therefore, the phenomenon of uncharged electricity is exhibited externally. However, when two objects rub against each other, electrons are separated from the orbit of the atomic nucleus by an external force, leaving the original atoms and invading other atoms B. Atoms are positively charged due to the lack of electrons, which are called cations and atoms B because they increase the number of electrons. The phenomenon of negative charge, called anion, is the most common phenomenon of triboelectricity.
In the process of triboelectric generation, the amount and transfer rate of electron transfer are not only related to the difference in the properties of the material, but also to the temperature and humidity in the field.
In the fall and winter season, due to the low humidity of the air, the viscous force between molecules is small and the speed of movement is accelerated, and static electricity is easily generated. Not only does the flowing air generate static electricity, but people walking on the floor, rotating swivel chairs, switching drawers, taking paper pens, moving the mouse, and other actions can also generate static electricity, causing these objects and the human body to carry electrostatic charges. In addition to triboelectricity, there are electrostatic causes such as induction of electrical generation and capacitive generation in electrical equipment. Devices, circuits, and metal and non-metallic structures can generate static electricity in the above two ways even if they do not contact. Electrostatic induction between objects can occur even if they are separated by a certain distance. The CRT monitor screen acts as a sensor and induces static electricity on the body. Because of the parasitic capacitance between the two parallel wires, they also transfer charge between them.
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Feature Hanging key storage box with combination access to keys.
Large key storage compartment holds for house,car,or padlock .
Hangs from doorknob,fence,or just about anywhere
Personalized,adjustable combination lock with 4 dials offers up to 10,00 combination possibilties for optimal security.
USE
- Put it in a car or mount on wall
- Storage keys, door cards, and credit cards
- While moving out, door key can be put in the key box for the next user
- With shackle advantages: conveniently hangs on door knob, railing or fence
Shengping Safety Protection Locks Manufactur, create to set up in 1989, is an enterprise specialized in the manufacture of different kinds of locks. We have obtained quality system authentications as ISO9001-2000 International Quality Control System Attestation,and we have obtained self-operation export and import right etc. According to many years of producing and R&D experience, we produce locks more than 100 kinds of specification with different kinds of raw materials & styles. Moreover, we can do customized work as per clients`designs.
Bearing the sense of [quality gets victory", our products are popular in domestic market; and with the fame of our product`s [good quality and best prices", we have increased our export all over the world. Now our product lines are mainly for export.
We tightly hold the quality control system, follow the contract, and keep faith and valued mutual benefit. We sincerely welcome customers home and abroad and our craft brothers to develop and flourish the locks market.
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Shengping Safety Protection Locks Manufacturer , https://www.chinajiuzhou.com