>>Note: Peroxide test: Add (0. 5～1. 0) mL of the test sample to the glacial acetic acid with the same volume as the sample before adding about 100mg
Determination of the boiling range of industrial volatile organic liquids (5)
Time of Update: 2022-01-18
11 PrecisionThrough statistical analysis, the precision of the test results in the laboratory is related to the purity and boiling point of the sample .
"Boil" and double eleven?
Time of Update: 2021-11-14
/>>In addition to the essence of herbs, the Red Qiyuan·Clear Drink also contains GABA (scientific name γ-aminobutyric acid) known as "emotional vitamin", which is an active amino acid that helps human brain energy
Fat brothers and two crabs boil dead crabs and sell them as live crabs. What should I do about food safety?
Time of Update: 2021-11-11
Many of the pre-processed ingredients such as chicken feet and trotters are directly refrigerated until they deteriorate .
Changzhou develops closed-circuit boiling dryer in one step
Time of Update: 2021-10-20
/> It adopts heat medium recycling, low working power and low energy consumption; using nitrogen as the conductive heat transfer medium, the solvent can be reused after recovery, and the nitrogen can be recycled after heating, the heat
What do peppers, boiling water and poisonous spiders have in common?
Time of Update: 2021-10-01
jointly by Professor Yifan Cheng and Professor David Julius, a well-known scientist from the University of California, San Francisco (UCSF) . Using advanced single-particle cryo
Is the soup more nutritious the longer it is boiled?
Time of Update: 2021-07-27
Simply put, after a long time of heating, the fat particles in the food are dispersed into the soup in a suspended form.
Can't drink "Thousand Boiling Water"?
Time of Update: 2021-06-29
Zhou Ping said that although nitrite was not detected in the test samples, some research reports showed that the heating of metal containers would increase the nitrite content, and mineral water would increase more than tap water .
Can boiling water disinfect tableware?
Time of Update: 2021-06-28
1. Hot water to blanch the tableware, it cannot be disinfected When many people eat out, they will use hot tea or hot water to burn the dishes and chopsticks, hoping to sterilize and clean .
The whole country is boiling!
Time of Update: 2021-06-11
production, such as sheet metal processing, rubber and plastic products, packaging and printing, etc. , a certain transition period is given to encourage companies to implement clean raw material source substitution and in-depth treatment projects
The formulation design and discussion of boiling-resistant aluminum powder
Time of Update: 2021-03-21
. For the polyester resin of architectural superior grade, the prepared formula and we improved the compactness of the coating film surface by adding different layered fillers to achieve boiling resistance.
"God" drug market boiling pharmaceutical companies will usher in a golden period of development
Time of Update: 2021-02-07
according to Zhang Hongjun, its research and development of radish thioelectrin anti-cancer products will also be clinical next year, after which it will be approved as a drug, estimated to be in 2019.
Homemade soy milk "fake boiling" or poisoning
Time of Update: 2021-02-02
According to the national standards of soy milk products, pure soy milk should be soybeans and water as raw materials after pulp sterilization and other processes processed into liquid products.