Don't believe these aquatic product rumors
Time of Update: 2022-09-13
Shanxi netizens "waiting for the wind": It is said that crayfish is a kind of insect, which grows in harsh environment and accumulates a lot of heavy metals in its body .
What is purified water equipment
Time of Update: 2022-06-01
2. Adopt imported reverse osmosis membrane, high desalination rate, long service life and low operating cost .
9. The reverse osmosis unit has a high degree of automation, and the workload of operation and maintenance and equipment maintenance is very small .
Application of isothiazolinone
Time of Update: 2022-01-04
Table 7-17 Sterilization effect of isothiazolinone on site(2) As a preservativeThe preservative with isothiazolinone derivatives as the main active ingredient has high antibacterial activity for a long time; the applicable pH range is wide; the toxicity is low, and it can be used for the preservation of cosmetics, detergents, leather and other products .
Itaconic acid-hydroxypropyl acrylate copolymer
Time of Update: 2021-12-08
Dissolve a metered amount of ammonium persulfate with deionized water and add an appropriate amount of deionized water to form a dilute solution with the same volume as the monomer mixture, and place it in another dropping funnel on the polymerization reactor .
The physicochemical properties and preparation methods of diatomite (3
Time of Update: 2021-11-15
After the primary scrubbing diatomaceous earth is scrubbed for the second time, the secondary scrubbing diatomaceous earth is washed with deionized water to neutrality, dried at a temperature of about 100 ℃, crushed, ground, passed through a 200-mesh sieve, and stored in an airtight manner.
Huangshi Municipal Market Supervision and Administration Bureau Food Safety Supervision Sampling Information Announcement (No. 9 of 2021
Time of Update: 2021-10-19
According to "People's Republic of China Food Safety Law provisions" and its implementing regulations, combined with "Huangshi City Market Supervision and Management Bureau issued in 2021 on the net
The cause of pinholes in cathode electrophoresis paint film and their prevention and control
Time of Update: 2020-11-19
2. Gas pinhole: in the electrophoresis process, due to the intense electrolysis reaction, the resulting bubble excessive de-foaming is not good, the tank liquid temperature is low or not enough stirring, the bubble attached to the surface of the work piece is wrapped in paint film, in the drying process bubble rupture and the pinhole China .
Time of Update: 2020-10-20
10mg/mL to take HLP VmL, the solution is brownish yellow, add 0.06mol/L NaIO4 VmL, immediately turn gray-green.
Add 0.16mol/L glycol VmL, the solution changes back to brownish yellow, RT, set aside 30min.
6. The solution was dialysis overnight at 0.01mol/L PB, pH7.4.
Effects of non-starch polysaccharide agents on weaned piglets
Time of Update: 2020-07-29
Effects of non-starch polysaccharide agents on weaned piglets 4iq Lin Chuanxing 1 Zhang Xiaoming 2 Wang Yi 3 4iq (1 School of Animal Science and Technology, Jiangxi Agricultural University, Jiangxi
The sugar is too much for the hazelnuts
Time of Update: 2020-06-12
Extract source: This product is Coix Lacryma-jobiLvar Mayuen (Roman.) Stapf's seed extracted polysaccharide ingredients with a total polysaccharide content of more than 60% the "system" extracted fa
Eight kinds of food suitable for healthy eating in spring
Time of Update: 2014-03-18
In spring, everything recovers and is full of vitality At the same time, it is the season of Yang Qi Traditional Chinese medicine believes that every season has the most suitable food, moderate consum