Valve valve plate several forms The gate valve is divided into two types: wedge type and parallel type according to the structure of the shutter. The wedge type ram has three kinds of structures: the structure of the single ram (Fig. 1) is simple, but the processing preci
Digital water bath thermostatic oscillator product introduction Clicks:454 Release time:2010/5/21 The digital water bath thermostatic oscillator (also known as the water bath constant temperature shaker) is a biochemical instrument that combines a temperature-controlled consta
Drug Name: Generic name: Brucella bovis ELISA kit for the purpose of: This kit is used to determine the content of Brucella in bovine serum, plasma, or other tissue fluids. Experimental principle This kit uses the double antibody sandwich method to determine the level o
High-speed refrigerated centrifuges are essential separation devices in the fields of medicine, life sciences, and agricultural sciences. I. Working principle When the suspension containing fine particles is left still, the suspended particles gradually sink due to th
Citrus mandarin, commonly known as mandarin orange, is known as a mandarin fruit. Before 2009, it was a national phytosanitary pest that threatened the four citrus types of grapefruit, lime, navel orange, and broad-leaved citrus. The most affected were lime and orange. Heavy, its larvae in the fru
4, pharmaceutical control (1) Principles of chemical control and prevention of pesticides Use of pesticides should meet the requirements of GB/T8321 and GB4285, pay attention to the alternate use of various agents, and strictly control the safety intervals of various pesticides. (2) In the initi
In the current stage when the pig-raising efficiency is lower than the break-even point of 6:1, the main ways to reduce pig-raising costs are twofold: first, to increase production; second, to save all costs as much as possible, that is, to “save and increase productionâ€. This requireme
In addition to the availability of fermentation beds for pigs, in fact, chickens, ducks and geese can also use the fermentation bed, which can also produce better economic benefits, but only some nuances. 1 bacteria constitute different chickens, ducks, geese and other birds of the digestive trac
The supplementation of mutton stalls is a technique for setting up lamb replenishment bars at places where ewes are concentrated and supplementing them with lambs. Its purpose is to: speed up the growth of lambs, reduce the size difference between single lambs and lambs and lambs born later; lay a
With the development of scientific and technological advancement in agricultural production, the proportion of chemical herbicides suitable for agricultural land use in pesticides is increasing, the area of ​​chemical herbicides applied to farmland is becoming wider and wider, and th
The so-called wheat set rice, that is, in the wheat harvest before 16-18 days of the treated rice seedings interplanted in wheat fields, wheat ripening machine when the opening of the chopping device, the wheat straw cut into about 10cm, evenly spread on the field table, any The rice cultivation te
1, tomato juice 1.1 Process Flow Selection → Seeding → Preheating → Beating → Batching → Degassing → Homogenization → Filling → Sterilization → Cooling → Finished Product. 1.2 production points: The choice of ingredients is m