Laser irradiation of tumors has new and efficient materials

The laser light illuminates the tumor, and light energy is converted into heat energy, which ablate the cancer cells. Yesterday at the Shanghai World Expo Center held a national report on polymer academic papers and exhibition news: The photothermal c

Aluminum alloy construction profile production license how to handle

【China Aluminum Industry Network】 (1) Application and Acceptance

1. The company produces products listed in the catalogue, submits applications to the local provincial Bureau of Quality and Technical Supervision, and submits the following application materials:

Color steel sandwich panel maintenance and maintenance instructions

Color steel sandwich panels must be regularly cleaned and maintained on the curtain wall system. Generally, regular inspections are carried out at least once a year to identify potential problems, maintain their aesthetic appearance and extend service life.
Color steel

High performance contact resistance test system

Dongguan Yinyin Hardware Products Co., Ltd. is a one-stop service enterprise integrating production, service, sales and after-sales. Welcome buyers to negotiate!
Thanks to the manufacturer of professional silver contacts (in-mold riveting parts), stamping parts, low-vo

How Miners Save and Save Each Other

Self-help: When you hear the sound of an explosion and feel that the shock waves cause air shocks, you should quickly fall back in the direction of the blast shock wave, face down, put your head down, in the ditch where the best side Face the ditch wall in the ditch, a

The financial net present value is the sum of the present value of the net cash flow of each year in the project calculation period to the beginning of the construction period based on the industry benchmark rate of return.

The dynamic investment recovery period after the income tax of this project is 3.2 years (including the construction period), indicating that after the project starts to operate, it can recover all the funds within 2.7 years. The project has a short payback period, indicati

Faucet cleaning and maintenance points

1. Use a soft cloth to apply toothpaste to clean the surface, then clean the surface with clean water. Do not use alkaline cleaners or use scouring pads or steel balls to try to avoid damage to the plating surface.

2, single-handle faucet in the use of the process, to slowly open and close,