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The prices of some raw materials fell, and the prices of 58 chemical products fell
Time of Update: 2023-03-21
4 percentage points from the previous month, and the three major indexes are all in the expansion range, indicating that the overall level of China's economic prosperity has rebounded .
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WACKER presents two additives for biodegradable plastics at European Bioplastics Conference
Time of Update: 2023-01-21
Munich-based WACKER will present two products for the processing of biodegradable plastics at the 16th European Bioplastics Conference – the VINNEX® additive system based on polyvinyl acetate technolo
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Analysis of pain treatment drug targets and R&D tracks of key pharmaceutical companies
Time of Update: 2023-01-05
Pain is divided into acute pain and chronic pain, and acute pain is divided into postoperative pain, childbirth pain, traumatic pain, sports pain, burns, scalds, cancer pain and acute migraine. Chroni
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Copper price fluctuations will further intensify wait-and-see sentiment
Time of Update: 2022-12-23
Non-farm payrolls were weaker than expected, but Fed officials remained hawkish, copper spot rose, and futures prices continued to run weakly.
Non-farm payrolls were weaker than expected, but Fed officials remained hawkish, copper spot rose, and futures prices continued to run weakly.
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Shanghai copper opened low and fluctuated, and market transactions continued to be weak
Time of Update: 2022-12-18
In terms of spot, due to the lack of actual purchase volume support for downstream consumption, trade flows also tend to stop at the cautious state before the holiday, and holders are active in shipments, and transactions continue to be weak.
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Issue 36/2015 - Solving the problem of coal-to-ethylene glycol wastewater treatment
Time of Update: 2022-11-13
In October 2014, Dalian Rick cooperated with Henan Energy Chemical to apply nitric acid reduction technology to Puyang Yongjin's 200,000-ton coal-to-ethylene glycol process.
In October 2014, Dalian Rick cooperated with Henan Energy Chemical to apply nitric acid reduction technology to Puyang Yongjin's 200,000-ton coal-to-ethylene glycol process.
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Inner Mongolia BDO factory enters the bureau to be degradable, and builds a 200,000-ton PBAT project
Time of Update: 2022-10-03
It is planned to complete the infrastructure construction in June 2022 and be fully put into operation in August Ltd. Dongyuan Technology has a production capacity of 100,000 tons of BDO.
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What is the more commonly used method of four-ring lyophilization experimental lyophilizer
Time of Update: 2022-09-21
If the eutectic point of the product is high, the vacuum degree of the system can be maintained well, and the refrigeration capacity of the condenser is sufficient, a certain heating rate can also be used to raise the shelf temperature to the allowable maximum height temperature until the end of lyophilization, but it is also necessary to ensure that the temperature of the product in a large number of sublimation shall not exceed the eutectic point.
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Domestic scientists have developed a biological base TPU with damping potential
Time of Update: 2022-09-19
A team of scientists from Hunan Normal University and Ningbo Institute of Materials Technology and Engineering developed bio-based TPU with high damping properties .
A team of scientists from Hunan Normal University and Ningbo Institute of Materials Technology and Engineering developed bio-based TPU with high damping properties .
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The first full-industry-chain polylactic acid (PLA) production line in China was successfully mass-produced
Time of Update: 2022-08-24
The largest and large-scale polylactic acid production line in China plays a major role in promoting the industrial development of Fengyuan Group, Guzhen, and the whole country and even the world .
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Imperatorin
Time of Update: 2022-06-04
This product is easily soluble in chloroform , soluble in benzene, ethanol , ether and caustic solution, but insoluble in cold water .
Thin layer plate silica gel GF254Developing solvent n-hexane - ethyl acetate (7:3)Inspection under 365nm fluorescent light2.
Thin layer plate silica gel GF254Developing agent benzene-ethyl acetate-(glacial acetic acid) (9:0.
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Nearly 80% of in vitro diagnostic companies reported good results, and 11 companies including Rejing Biotech increased by over 100% year-on-year
Time of Update: 2022-05-16
Among them, nearly 80% of the in vitro diagnostic companies reported good performance, and 11 companies saw a year-on-year increase of more than 100%, including Jimin Medical, Rejing Bio, Xinkaiyuan, Jiu'an Medical, Mingde Bio, Wantai Bio, and Oriental Bio .
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15 days of fast supply
Time of Update: 2022-05-14
Innovation leads development, and the holding of the first launch ceremony of Tigolasheng marked the official transformation of this high-tech achievement into clinical use, benefiting the majority of patients, and also taking a solid step for Luoxin Pharmaceutical to accelerate the development of scientific and technological innovation .
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Anwulipidin
Time of Update: 2022-04-13
Thin layer plate silica gel G plateDeveloping solvent chloroform - acetone (60:1)Inspection of 10% phosphomolybdic acid ethanol solution, heated at 105°C, inspected under sunlightHigh performance liquid chromatographyChromatographic column Agilent TC C 18 , 5um (4.
78 (2H, brs, -OCH 2 O-), 6.
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Wedelia lactone
Time of Update: 2022-04-09
Thin layer plate silica gel GF254 plateDeveloping solvent of chloroform - acetone - carboxylic acid (11:6:l)Inspection by UV lamp at 254nm; spray with ferric chloride test solution and inspect under sunlight2.
5% formic acid solution (30:70); 11-60min methanol- 0.
