Hefei High-tech Zone Accelerates the Cultivation of Pho…

On the eve of Qingming, the first cell of LDK Solar (Hefei) Co., Ltd., with a total investment of 2.5 billion yuan and the largest single investment in the world, was successfully launched. From signing, starting construction to commissioning, it took only 8 months to complete the "Sail Mira

China mold national standard, industry standard quantit…

chapter National standard Industry Standard Total number of standards 1 die 116 items 1.1 Terms, technical conditions, etc. 7 items 2 5 7 1.2 mold base 10 items 10 0 10 1.3 mold base 16 items 16 0 16 1.4 Guide 19 items 11 8 19 1.5 parts 62 items 0 60 60 1.6 other 4 items 4

Microcontroller serial port for measuring pulse width

Many industrial and instrumentation systems need to measure the duration of the pulse input, such as the speed sensor, the gating and strobing pulses of the external system, and the frequency of the PWM (Pulse Width Modulation) input. Designers use on-chip timers and edge-driven interrupts. However

How to make technical points for wrapping silage

Stretch film wrap silage technology is to use high-quality forage grass with suitable water content, compacted with bale machine, and made into bales, and then wrap the bales tightly with a special wrapper for the silage special plastic stretch film. It creates a sealed anaerobic environment for si

Declining production costs, doubling the PV target is e…

Li Junfeng, deputy director of the Energy Research Institute of the National Development and Reform Commission, recently revealed that the "12th Five-Year Plan for Photovoltaic Power Generation" prepared by the National Energy Administration has clearly revised the PV "12th Five-Ye

New laser diamond tool for machining ceramic and semico…

Dr. John Patten, professor of manufacturing engineering at Western Michigan University, developed a microlaser-assisted processing technique called "μ-LAM" that combines laser and diamond tools to heat and soften silicon semiconductors and ceramic materials. Cutting processing. Accord

Points to note when using herbicides correctly

First, several major problems with the current use of herbicides : (1) The herbicide is still used to kill the weeds; (2) Although it can kill grass, the rate of killing grass is not high; the third is that killing the grass also harms the crop; the fourth is to kill the gra