The second is to apply early and deep application. One must apply early. Urea is applied to the soil to have a transformation process that can be absorbed and utilized by the crop. Therefore, if the application of urea is the same as the application of other nitrogen fertilizers, it will delay the maximum effect period of crops on nitrogen nutrient absorption. Second, we must apply it deeply. Urea should be applied to the soil in depth, whether it is base fertilizer or top dressing. The deep application can control the hydrolysis rate of urea, so that it can release nitrogen nutrition evenly, prevent the loss of nitrogen volatilization, and improve the utilization rate.
It is not appropriate to apply water, water, and water immediately after application. First, it is not appropriate to apply. In particular, saline-alkali soils are less suitable for spreading on the surface. This is because ammonium carbonate, ammonium hydrogencarbonate, and ammonium hydroxide which are produced after the decomposition of urea are unstable compounds. Second, it is not suitable for dip and seed dressing. Urea contains a small amount of biuret, which is toxic to crops. Using urea to soak and mix seeds will destroy the protein structure of the seed, denature the protein, and affect the seed germination and root growth of the seedling. Third, it is not appropriate to apply water immediately after application. After the urea is applied to the soil, it is dissolved in the soil solution in a molecular state before being converted into ammonium carbonate, and is not easily adsorbed by the soil. If the water is immediately poured, the fertilizer will be lost with the water, and the water will be poured every few days after the application.
A wire rope clamp (sometimes called a clip) is used to secure the loose end of the loop back to the wire rope. It usually consists of a U-bolt, a forged saddle, and two nuts. Two layers of wire rope are placed on the U-bolts. Then slide the saddle over the rope and attach to the bolts (the saddle includes two holes for the U-bolts). Nuts hold the unit in place. The wire rope is usually terminated using two or more clips depending on the diameter. A 2" (50.8 mm) diameter rope may require as many as eight.
There is an old saying: "A dead horse is without a saddle". This means that when installing the clips, the saddle portion of the assembly should be placed on the load bearing or "live" side of the cable, not the non-load bearing or "live" side of the cable. The "no power" side. According to U.S. Navy Manual S9086-UU-STM-010 Chapter 613R3, Wire and Fiber Ropes and Slings, "This is to protect the live or pressure-bearing end of the rope from pinching and damage. The flat bearing housing and body (saddle-shaped ) extension claws are designed to protect the rope and remain on the live end at all times."[18]
The U.S. Navy and most regulatory agencies do not recommend using such clips as permanent terminals unless regularly inspected and retightened. Encyclopedia website: ewikizh.top
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