Introduction to the installation and use of the rotary evaporator The rotary evaporator is mainly used for continuous
How does a rotary evaporator work?
Time of Update: 2022-04-28
at which its vapor pressure is equal to the external pressure, so the boiling point of the liquid will change with the change of the external pressure. If the pressure in the system is reduced by means of a vacuum pump, the liquid's Boiling
The largest seawater desalination project evaporator made
Time of Update: 2022-02-20
On September 2, according to information, the Dongfang Electric seawater desalination project low-temperature multi-effect evaporator manufactured by Zhanghuaji Heavy Equipment, a wholly-owned
Rotary evaporator
Time of Update: 2022-02-01
Rotary evaporator (Figure 22-10) is used to continuously distill a large amount of volatile solvents under reduced pressure, and is widely used in the concentration of reaction extracts
Pharmaceutical stocks evaporate 1.2 trillion yuan in one year, Jingdong Health, Hengrui lead the decline
Time of Update: 2022-01-25
On January 1, 2021, the total market value of A-share listed traditional Chinese medicine companies was 878 billion yuan, and a year later, the number increased to 1,179.
The market value has evaporated by nearly 400 billion, and the break has become the norm. Will the medical IPO be no longer in 2021?
Time of Update: 2022-01-24
Among the medical stocks IPOs in 2021, innovative pharmaceutical companies (15 deals), high-value consumables (15 deals) and biopharmaceuticals (including generic drugs and APIs, 14 deals) are the most popular tracks .
Determination of the dry residue after evaporation of volatile organic liquid on a water bath
Time of Update: 2022-01-19
1 ScopeThis part of GB/T6324 specifies a general test method for the determination of the dry residue of volatile organic chemical liquid products after evaporation on a water bath .
55 varieties "evaporate" 14 billion in half a year!
Time of Update: 2022-01-09
, in the first half of 2021, the sales scale of the 55 products of the third batch of centralized procurement in China's public medical institutions decreased by about 14 billion yuan compared with the same period last year, a decline of more than 50%
What was the third-quarter performance of vaccine stocks that instantly evaporated hundreds of billions of market value?
Time of Update: 2021-12-07
Chart 1: Source of operating income: From the financial data of the third quarter report on the company’s official website, CanSino’s net profit attributable to shareholders of listed companies in the first three quarters increased by 858.
The market value has evaporated more than 240 billion in half a year, and Muyuan has increased the size of pig slaughter...
Time of Update: 2021-09-19
. 21 yuan per share, with a total market value of 227. 417 billion yuan . >Data show that in February this year, the stock price of Muyuan once exceeded 120 yuan per
Scientists are expected to develop stem cell nano "Band-Aids"
Time of Update: 2021-09-11
" Qin Yan said that Janus nanofiber aerogels retain their original structure and are expected to combine with stem cells to develop into stem cells- Nano "Band-Aid" improves wound healing effect .
% of Evergrande Bingquan for 2 billion yuan; Haitian flavor industry's market value evaporated over 52 billion in two days (September 2, 2021)
Time of Update: 2021-09-11
to operate but are struggling . On September 2, Aunt Qian clarified the related queries in the report on the official website . In response