New painkillers reduce the risk of addiction

September 6, 2018 Source: China Science News Author: Zonghua

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Everyone knows that potassium chloride and potassium sulfate are common fertilizers and are essential growth agents for crop growth. So what is the difference in their use? What are the benefits of crop growth? The following sm.......

The flowers of chrysanthemums are very beautiful, the flowers are elegant and generous, the colors are rich and colorful, and they have a high ornamental value. Many people like to plant some flowers and plants at home to decorate the room. Chrysanthemum is one of the flowers that everyone lik.......

(1) Advantage performance

1. The oil content of Qingzao No. 2 spring rape was 45.2%, the content of erucic acid in oil was 0.65%, and the content of glucosinolate was 27.81μmol/g.

2. The high-yield effect of Qingzao No. 2 spring rapeseed is obvious, the effective branchi.......

If the light management turns fine after rain, snow and snow, the plant should have a process of gradually seeing light and gradually warming up. When the sun comes out, the grasshoppers are uncovered, and the vegetable farmers do not leave the greenhouse, always paying attention to the ch.......

Studies show that children with ADHD are associated with asthma

July 31, 2018 Source: Xinhua Author: Zhang Jiawei

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Harvesting standard

In China, the soluble solid content reached 6.5% as the lowest index of harvesting. After storage, the storage time was longer after harvesting, and the soluble solid content reached 7.5%, which was harvested, which made the fruit storage, shelf life and soft ri.......

1. The color change unit (CCU)
This method is usually used for microorganisms that are small and cannot be counted by general turbidimetry, such as mycoplasma, because the liquid culture of mycoplasma is completely transparent and appears clear and transparent red, so it cannot be coun.......

First, the use of horizontal trough mixer instructions and precautions 1, before the use of a dry run test, before the test should first check the integrity of all the horizontal trough mixer, the lubricating oil in the reducer The quantity and the.......

How to treat medicinal plants Acanthopanax senticosus seeds? Acanthopanax senticosus can also be called thorn stick, cane stick, one hundred needle, tiger scorpion, mainly distributed in Heilongjiang, Jilin, Liaoning, Hebei and Shanxi. Acanthopa.......

Cucumber management is indispensable to these three fertilizers

1. Add organic fertilizer. Organic fertilizer not only supplies various nutrients for cucumber growth and development, but also reduces soil bulk density, increases soil porosity, and improves soil physical and chemica.......

Cucumber belongs to the cucurbitaceae, monoecious, and the flowering period is generally in the