Use seed fertilizer to get it right

Fertilizer refers to fertilizer that is applied near the seed or mixed with the seed when sowing or planting. Appropriate fertilization can meet the needs of crops for nutrients as soon as possible, and can also save labor for topdressing. On the contrary, it will harm seeds and caus.......

March 28 Baotou Steel Market Price Quotes

The product name specification material steel factory/origin price (yuan/ton) is higher than yesterday's last week higher than the previous month's high line Φ6.5mm Q235 steel 4980 30 30 130 high line Φ6.5mm Q235 Xuanhua 4980 30 30 130 rebar Φ12mm HRB335 declared Steel 5180 8.......

March 31 Guangzhou Steel Market Price Quotes

Product Name Specification Material Steel Factory/Origin Price (yuan/ton) Compared to last week, compared to last month, General Line Φ6.5mm Q235 Handan Steel 5020 0 0 -150 Common Line Φ8mm Q235 Handan Steel 5020 0 0 -150 Common Line Φ10mm Q235 韶Steel 5060 0 0 -110 High Line Î.......

New Century Dry Cutting Technology

1 Introduction With the rapid development of high-speed processing technology, the amount of cutting fluid used in the processing process is increasing, and its flow rate is sometimes as high as 80 to 100 L/min. However, the use of a large amount of cuttin.......

March 28 Beijing Steel Market Price Quotes

Product Name Specification Material Steel Factory/Origin Price Today (yuan/ton) Yesterday Price (yuan/ton) Change (yuan/ton) High-line φ6.5-12mm Q235 Shougang-5000 Up 10 High-line φ6.5 -12mm Q235 Tangshan Steel-5000 Rising 10 High Line φ6.5-12mm Q235 Xuanhua-5000 Rising 10 High L.......

March 28 steel market price in Jinan

The product name specification material steel factory/origin price (yuan/ton) is Φ6.5mm higher than yesterday's last week than the previous month's Pu line Φ6.5mm Q235 Handan 4980 0 0 50 General line Φ10mm Q235 Stone cross 4980 0 0 50 High line Φ6.5mm Q235 邯Steel 500.......

Measures to Improve the Surface Roughness of Wire Cutting

The main reason for the surface roughness of wire-cut electric discharge machining is that the machining process is unstable and the working fluid is not clean. The following improvement measures are proposed.

(1) To ensure the precision of manufa.......

Americans Killed 49 in Bloody Weekend in Chicago

BEIJING, May 20, according to US media reports on the 19th, Chicago public recently spent a very bloody weekend, the city has at least 49 people were shot, two of whom were killed.

From the local time (the same below) from the evening of the 15th to the morning of the 16th.......

Fertilizer mix must remember "five immiscible"

1. Farmyard manure such as manure and urine can not be mixed with grass ash, lime nitrogen, lime, calcium magnesium phosphate fertilizer and other alkaline fertilizers. Because the main component of human and animal urine is nitrogen, if it is mixed with a strong alkaline fertilize.......