Common classification of stainless steel screws

Ferritic stainless steel:

Type 430 ordinary chrome steel, its corrosion resistance and heat resistance are better than 410 type, it is magnetic, but it can not be heat-treated and strengthened. It is suitable for stainless steel stainless steel with high strength

US Navy Lab Develops High Efficiency Solar Cells

Scientists at the United States Naval Research Laboratory (NRL) have jointly designed a solar cell with three junctions in the Department of Electronic Technology and Science with Imperial College London and MicroLink Devices. This battery has a 50% c

Herbicide phytotoxicity generation and prevention

In recent years, the application area and application rate of herbicides have increased year by year, saving farmers time for weeding and weeding, but due to human factors, improper application of herbicides has also adversely affected production.

1. Improper storage, blind misuse

How to Strengthen the Recovery Management of Waste Aluminum Products

[China Aluminum Network] For aluminum product manufacturers, to properly manage the recycling of used aluminum products, it is first necessary to clean up and recycle the used materials. No materials with recycling value are sent to the logistics department in time for transfer formalities.

Common flower fungicide summary

Tobuzin is a highly effective, low-toxic, broad-spectrum systemic fungicide with protective and therapeutic effects. It has a long residual period, similar bactericidal range and efficacy with carbendazim, low toxicity to humans and anima

Heat pump water heater application forms and advantages introduced

Heat pump water heater applications in many forms, including air-source heat pump water heaters, water source heat pump water heaters and ground-source heat pump water heaters. At present, the development of heat pump water heaters in developed countries in Europe and the United States has matu

Effect of Cysteamine on Growth Performance of Finishing Pigs

Improving the growth rate of livestock and poultry, feed conversion efficiency and lean meat rate, improving carcass quality is expected by the majority of farmers, and is also the main target of livestock production. To this end, many years of animal husbandry scie