The cultivation techniques of broad bean sprouts in early spring

First, for prenatal preparation, choose a warm and shaded area, away from direct sunlight. You can use discarded containers such as food boxes, plastic bags, or any clean, sturdy containers. Cover the containers with clean towels or gauze to maintain humidity and protect the seeds during the early stages. Second, disinfect all containers and tools by scalding them in hot water for 15 to 30 minutes. Afterward, remove them and let them dry completely. Alternatively, you can soak them in a dishwasher disinfectant for 10 minutes, then rinse thoroughly with clean water before proceeding. Third, select high-quality seeds with thick skins and a 1000-seed weight of over 700 grams. The seeds should be fully mature, plump, free from pests, and have a high germination rate and purity. It’s best to use fresh seeds that have not been stored for too long to ensure optimal growth. Fourth, after thoroughly washing the broad beans, soak them in 60°C water for 10 minutes. Then transfer them to cold water and let them soak for 30 hours. During this time, change the water every 5 to 6 hours to keep it clean and prevent mold. At the end of the soaking period, wash the beans again to remove any sticky residue or dirt, then drain them well. Fifth, place the soaked broad beans into a growing container, cover them with gauze or a towel, and put them in a dark, cool, and moist location. After 6 hours, add water to the container until it covers the beans completely. Let them sit for 2 to 3 minutes, then tilt the container and pour out the water. Repeat this process twice, then drain the water and cover the beans again with a towel or gauze to maintain moisture. Sixth, harvest the bean sprouts when they reach about 1 cm in length. At this stage, the sprouts are at their peak nutritional value and quality, making them ideal for consumption. Be sure to harvest them promptly to avoid overgrowth, which can reduce their texture and flavor.

Roughness Profilometer

Roughness Profile Measuring Instruments all-in-one machine is an all-in-one machine for measuring profile shape and surface roughness, which has the powerful function of analyzing and measuring profile shape and surface roughness. Realize accurate measurement of dimensions, shape and roughness. It is mainly used to measure the parameters of the surface micro-geometry and macro-geometry of mechanical parts such as straightness, inclination, angle treatment, roundness treatment, double-groove treatment, double-arc treatment, etc.

Performance characteristics
1. High accuracy, high stability and high repeatability: meet the measurement accuracy requirements of the measured part.
1) Select high-precision grating measurement system and high-precision inductance measurement system, with high measurement accuracy;
2) Independently researched and developed high-precision grinding guide rail system, which has good wear resistance of guide rail materials and ensures stable and reliable operation of the system;
3) High-performance linear motor drive system ensures high measurement stability and good repeatability.
2. Intelligent management and detection software system:
The operation interface of the instrument is friendly, the operator can easily master the operation of the instrument, and the use is very simple.
1) The company has accumulated many years of practical measurement software design experience to provide customers with simple, practical and fast operation experience;
2) The company has invested many years of human resources in the development of instrument software, with special software copyright;
3) With powerful functions, it can automatically process data, print reports in various formats, and automatically display, print, save and query measurement records;
The data can be archived or printed in a centralized manner, which does not take up the verification operation time;
4) The measurement range is wide, which can meet almost all types of workpiece profile measurement, including special measurement functions of special workpiece screw, bearing, thread and other profiles;
5) The measured section can be selected automatically and manually for evaluation, and software functions can be customized according to customer requirements;
6) Powerful CNC automatic measurement and automatic labeling analysis function;
For large quantities of the same type of workpiece, it can carry out CNC measurement, automatically analyze and process the data, and carry out SPC statistics on the data, and can carry out statistical analysis in various ways to give quality control guidance;
7) It can automatically record and save all verification results by using computer large-capacity database storage.
3. It can also measure surface roughness and contour shape
With the same main body, you can only switch different modules to measure the profile shape and microroughness of the product.
4. Multi-parameter evaluation
The roughness can be automatically evaluated according to different standards, including Ra, Rp, Rv, Rz, Rt, Rmax, Rq, Rsk, Rku, RSm, RPc, Rdq, Rdc, Rmr and P parameters, W parameters, Motif parameters, Rcore parameters and other multi-parameter evaluation.
5. Thickness parameter measurement
When measuring the roughness parameters, the height and thickness of some film steps within 600 microns can be measured simultaneously. The measurement is convenient, and the accuracy is controlled within 2% H (H, the total height of measurement). It is especially suitable for high-precision measurement occasions without scratches.
6. Measuring force system:
With the voice coil motor force measuring system, the force measurement can be continuously adjustable from 10 to 150 mN, and the force measurement resolution can reach 0.2 mN; It avoids the force measurement error caused by the vibration of the surrounding environment when the old weight is loaded, and reduces the measurement error caused by the change of the force measurement.
7. Intelligent protection system:
The instrument is protected by hardware and software in all directions, which can effectively protect the instrument host and probe, and reduce the probe and instrument damage caused by personnel's operation errors.
8. Flexible manual control:
The instrument is equipped with a special separating operating rod, which can be placed at any position to control the operation when the instrument is operated and moved, and the measuring needle can be roughly positioned before measuring the workpiece; In the case of leaving the computer, the operating rod has the functions of moving the measuring needle left and right/up and down, emergency stop, the angle swing of the measuring rod up and down, and multi-level speed adjustment.

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Zhejiang dexun instrument technology co., ltd , https://www.dexunmeasuring.com