Different chemical fertilizers often have different appearance properties. Here's a simple look. Ammonium bicarbonate is white, with strong ammonia odor; Urea, ammonium sulfate, ammonium nitrate, ammonium chloride are all white granular crystals; calcium carbonate is off-white powder with sour taste; three materials of superphosphate are grayish gray , Large and uniform particles, no odor; Calcium, magnesium, phosphate fertilizer is grayish white powder, no odor; Potassium sulfate is white powder crystal, no odor; Diammonium phosphate is yellowish gray or iron gray particles, particle size is not uniform, in wet environment Volatile, ammoniated. In addition, ammonium sulfate such as ammonium sulfate, ammonium nitrate, and ammonium chloride, and ammonium phosphate such as diammonium phosphate compound fertilizers are obviously placed on palms with a small amount of grass ash (or alkali or lime). Ammonia smell.
BIO scope S1 is a digital handheld scope used to record digital photographs and videos.
It is mainly used in hospital, Clinic and medical departments for doctors and nurses to examine ear.
Advantage
1. Bigger LED Screen 3.5 inch with 720*480 resolution
2. Never hot lens with 300 thousand pixel
3. Disposable earmuff
4. examine external ear and middle ear
5. cerumen,otitis media, ear infections, perforation of tympanic membrane checking
6. Small & Light to hold, Easy to carry with aluminum box
7. Rechargeable Li-On battery to ensure 4 hours continuous working at least
8. Cheaper price
9. CE mark
Specification
| Resolution | 720X480 |
| Light source | Natural white(LED) |
| LCD | 3.5 inches special LCD screen |
| Minimum color difference for different viewing angle | |
| File format | JPEG,BMP,AVI |
| Media | Micro SD flash card |
| Interface | 1 mini USB,1 AV-OUT,1 SD card slot |
| Power supply | rechargeable lithium battery |
| External power | 110V~220V AC 50/60HZ, Output DC 5V 500MA |
| Working time | 3 hours for continuous working |
| Charging time | 5 hours |
Digital Endoscope
Wuxi Biomedical Technology Co.,Ltd , https://www.wxbiomedical.com