1. Repair of the drive shaft and bushing of the diesel engine gear oil pump After the wear of the drive shaft and the bushing, the weight of the drive gear itself and the radial thrust generated when the driven gear meshes make it easy to produce uneven wear on the shaft and the bushing hole, which ......
Decompression preservation is the preservation of fresh fruits, vegetables, flowers, meat, aquatic products and all perishable products by means of reducing atmospheric pressure. It is another new development of storage and preservation technology. Decompression and preservation storage is to put t ......
(1) Adjustment of the gap between the brake shoe and the brake drum, and the brake belt riveted to the brake shoe block has eccentric wear of the outer ring due to long-term work, and the gap between the brake shoe and the brake drum increases, resulting in work The braking torque is reduced accord ......
1. Pre-harvest Management 1 Trim the ears. First go to the soft tip, cut off the 1/4-1/3 portion of the ear, pickle the unsweetened, juicy, soft, and easily dehydrated fruit, then remove the unripe, poor-quality, low-sugar green and damaged grains. Diseased grains. 2 skillful fertilization. One mon ......
Because quick-frozen vegetables have the characteristics of convenient consumption, cleanliness, good preservation performance, and availability of four seasons, they are very popular in the Japanese market. China's annual exports to Japan amount to about 20,000 tons, and more than 10 varieties ......
1, the distribution valve piston leakage failure phenomenon is: when the brake pedal is pressed, a large amount of compressed air leaked from the trailer control valve, and soon the trailer inside the cylinder of compressed air leakage, the loss of braking effect. Remedy: Disassemble the valve and ......
The first genetically modified salt-resistant poplar that can be used for field production, Zhongtian Yang, was successfully cultivated in Dongying recently. This is the first new species of salt-tolerant poplar tree obtained in China using genetically modified modern biotechnology. It has found a ......
First, after the Chinese cabbage is harvested, it should be kept in the pit as soon as possible under conditions free from freezing. Before entering the cellar, the cabbages that were aired for 1-2 days were sent to the cellar near the yard where the leewards were sunny, and the roots of the vegeta ......
Researchers at NeXIA Biotechnology in Quebec, Canada, used genetically modified technology to produce spider silk proteins from mammalian cells and invented a method to extract it. The research results were published in the latest edition of the journal Science. In terms of human understanding of t ......
After the agricultural motor is flooded or immersed in water, inspection and repair shall be carried out immediately to remove the water and impurities therein so as to prevent damage or scrapping. The flooded agricultural motor should be overhauled in the following four steps. First, remove the ex ......