Example 4 >>Reporting process: controlling the temperature below 30 ℃, the over potassium hydrogen sulfate
Reactions that may produce dangerous products (by-products) (4)
Time of Update: 2022-01-19
The reaction formula is as follows: Application process: need to pressurize with hydrogen and react under strong acid conditions of 2mol/L HCl .
Reactions that may produce hazardous products (by-products) (1)
Time of Update: 2022-01-19
1. Reactions that may produce explosive products (by-products)example 1 Application process: Dissolve reaction substrate A (150.
Example 2 Application process: Add dimethyl sulfoxide (6.
Interpretation of CDE's newly released document-"Technical Guidelines for Long-term Follow-up Clinical Research of Gene Therapy Products"
Time of Update: 2021-12-31
In order to guide and standardize the clinical trials of gene therapy products, on December 3, 2021, the official website of the Center for Drug Evaluation of the National Medical Products
The 9th Jinan Biological Fermentation Products and Technology Equipment Exhibition in 2022 predicts
Time of Update: 2021-12-25
BIOCHINA will set up a special "VIP rest area" at the exhibition site, and will provide many high-quality buyers invited for this exhibition with exclusive services such as catering , rest, conference journals, Internet access, and conferences .
The report predicts that global natural rubber production will increase by 1.8% in 2021, and demand will increase by 8.3%
Time of Update: 2021-12-05
ANRPC's latest October report predicts that in 2021, global natural rubber production is expected to increase by 1.
Researchers have found that respiratory viral infections follow a predictable seasonal pattern
Time of Update: 2021-11-15
A new study led by Professor of Pediatrics Michael Hawkes shows that infections of six respiratory viruses, including RSV, follow a similar pattern, peaking in January and subside in June, with more severe seasons appearing every two years.
Mannich reaction product of acrylamide-acrylic acid copolymer
Time of Update: 2021-11-05
used acrylamide-acrylic acid (AM-AA) copolymers with a viscosity average molecular mass of 3 million and an anion degree of 5% to 40% as raw materials to prepare amphoteric polyacrylamide through Mannich reaction and synthesize it.
Science Sub-Journal: The first global prediction of the importance of pollinators to plant seed production
Time of Update: 2021-10-19
James Rodger, a postdoctoral researcher and first author in the Department of Mathematical Sciences at Stellenbosch University (SU), said that this is the first study to conduct a global assessment of the importance of plant pollinators in natural ecosystems .
The Ukrainian Grain Association predicts that Ukrainian grain and oil crop production will exceed 110 million tons this fiscal year
Time of Update: 2021-10-19
Cereal and oil crops Nikolai Gorbachev, chairman of the Grain Association, said, "Two years ago, we harvested 98 million tons, which is a record output .
The prediction technology of Zhongyuan Pucheng Oil Production Plant was successfully applied to Well Pu3-Bian190
Time of Update: 2021-10-05
In March of Yangchun, China Petrochemical News Network, the geotechnical staff of the Pucheng Oil Production Plant in the Zhongyuan Oilfield successfully applied the self-developed narrow and thin channel prediction technology between the wells in the Pu 3-Ban 190 Well.
VASEP predicts that Vietnam’s aquatic product exports will reach US$12 billion by 2025
Time of Update: 2021-07-27
Zhang Tinghui, secretary general of the Vietnam Aquatic Products Processing and Export Association (VASEP), stated that during the period 2016-2020, the export of Vietnamese aquatic products will grow at an average annual rate of 5%.
Follow the "market" to increase the production of high-value propylene
Time of Update: 2021-07-10
such as optimizing raw material structure, flexibly adjusting production, and carrying out employee training to maintain high-load production of ethylene plants. From February to March, it produced 58,000 tons of propylene, and high-value
