1. More ventilation. The temperature is 20-25℃ during the day and 12-14℃ at night.
2. Water as little as possible after watering thoroughly before sowing until the seedlings grow real leaves. When the soil is dry and cracked, water less.
3. Give plenty of sunlight to prevent being injured. The ultraviolet rays in the sun can inhibit the growth of vegetable seedlings. Use sunshade nets and other measures when the sun is in summer.
4. There must be a small amount of nitrogen fertilizer in the soil, which can be applied as a late topdressing.
5. When sowing, spread as evenly as possible, with loose spacing, which can increase air flow, reduce temperature and prevent excessive growth.
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Manual Video Measuring Machine
Manual vision measuring machine is a precision measurement instrument that uses manual driving for 3 axes, and the measurement software is manual point taking.
This instrument uses a zoom objective to magnify the measured object, and the image is input into a computer through a CCD industrial camera device. The enlarged image of the measured object is transmitted to the measurement software for non-contact and efficient geometric measurement of various complex workpieces.
Suitable for non-contact measurement of stamped parts, plastic parts, thin film shaped, easily deformed, easily damaged, and small-sized workpieces, such as workpiece measurement in industries such as rubber, plastic, small hardware, clocks, and light industry.Video Device
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The vision measuring machine consists of three parts: an image acquisition device, a data acquisition device, and a two-dimensional measurement software. The zoom objective lens and high-resolution color camera form an image acquisition device, and the data acquisition device is composed of a grating ruler and a data processor. The image and data are measured using 2D measurement software to achieve point, line, arc, and distance measurements.
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Zhejiang dexun instrument technology co., ltd , https://www.dexunmeasuring.com