Analysis of deep hole surfacing welding process for valve body sealing surface of power station

The working condition of the power station valve is usually 540 °C high-temperature steam, so the valve body material is 25 or 12crmov, and the valve body sea

Goose does not feed on plants

Plant morphology

Anthracite annual herb, high 5-20cm. Stalks slender, much branched, base basting, easy to take root after landing, glabrous or slightly finely hairy. Leaves alternate; sessile; leaf blade oblanceolate, 7-20 mm long,

Nine measures to reduce pig raising costs

First, insist on breeding hybrid pigs. The piglets produced by breeder boars such as Landrace, Duroc, Hampshire and other local sows are hybrid pigs, which have strong vitality, rapid growth and good feeding effect. Therefore, it is necessary to universally popularize the “three-ization

Accumulation of urethrally poured wheat fertilizer to increase production

Winter urine pouring wheat is a traditional production increase measures. According to the measurement, human urine generally contains 0.5% of nitrogen, 0.13% of phosphorus, 0.19% of potassium, and 3% of organic matter. Therefore, the urine of wheat can significantly increase the content o

How to warm up the little snow

Snow is the first solar term after the beginning of winter, which indicates that the winter snowfall will kick off. Snow is coming earlier this year, so older people should be prepared for some deep winter health.
After the snowfall period, the snow is a high incidence of respiratory disea

PCR technology topic: nested PCR

Nested PCR

Tags: nested PCR

Nested PCR is a variant of polymerase chain reaction (PCR) that uses two pairs (rather than a pair) of PCR primers to amplify a complete fragment. The first pair of PCR primer amplified fragments are

Victorian grapes

Victoria grape varieties are Eurasian species. Young shoots green, with sparse hairs; shoots upright, green; young leaves yellow-green, slightly redish edges, leaves glossy, leaf villi sparse; mature leaves medium, yellow-green, nearly round, leaf margin Slightly rolled up, 3 to 5 cracks,

Ophiopogon can soak in water?

Ophiopogon japonicus, as a common Chinese herbal medicine with obvious curative effect against various chronic diseases, is now more and more known and well known by people. Ophiopogon is mainly used for nourishing yin, producing fluid, purifying the lungs, clearin

Thin lower body weight loss recipes

In a society where every minute counts, people are mostly lack of exercise, so it is easy to have a fat belly and lower body. This cookbook provides a nutritional menu that can help people in need. The effect may not be significant, but it can be reduced by about 4-5 pounds per month.

Dodder nutrition knowledge

Nutrition knowledge

[Dodder knowledge introduction]:

Cuscuta is a mature seed of Convolvulaceae plant dodder seed and southern dodder seed. The annual herb of Cuscuta is born in the fields of Tanabe,

Sweet potato dim sum approach

Milk sweet potato soup

2 ordinary sweet potatoes, 2 tablespoons of milk powder, 2 tablespoons of white sugar, about 300 grams of cornmeal

Practice 1. Sweet potato peeled and cut into thin slices Steamed cooked in a bowl. It takes about 20 min

The magical effect of Ginkgo

Ginkgo nuts contain a variety of nutrients, in addition to starch, protein, fat, carbohydrates, but also contains vitamin c, riboflavin, carotene, calcium, phosphorus, iron, potassium, magnesium and other trace elements, and ginkgo acid, Ginkgo, five-carbon polysaccharides, lipid sterols a