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Market procurement enthusiasm is not high, PVC spot prices mostly maintain volatility
Time of Update: 2022-12-22
On the raw material side, the price of blue charcoal remained firm, the low-price supply of calcium carbide was difficult to find, and the price of calcium carbide in various places remained high.
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Zhongtai Chemical built a million-ton methanol plant
Time of Update: 2022-10-25
At the same time, with the rapid development of the domestic 1,4-butanediol industry, it will further support the development of the methanol market, and the project will play a positive role in promoting the company's operating efficiency after completion.
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Scientists develop live-cell transcriptome sequencing technology
Time of Update: 2022-09-01
Existing methods are either limited by the dynamic characterization of cell morphology or a few genes, or rely on a variety of assumptions in quasi-temporal analysis that may not be satisfied in actual cell systems, and currently cannot directly measure cell-wide transcriptome state changes .
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Calcium carbide market continues to decline
Time of Update: 2022-08-31
Supply has increased significantly As of August 16, the starting load rate of calcium carbide has risen from 72.
"This week, the start-up load of calcium carbide enterprises continued to recover, the overall production returned to a high level, and the supply increased significantly .
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Sino-Korea Petrochemical's new ethylene cracking furnace ignited successfully
Time of Update: 2022-08-27
On February 28, the newly added No. 10 200,000-ton/year cracking furnace of Sino-Korea Petrochemical's ethylene plant was successfully ignited, marking the project's entry into the stage of preparation for start-up and feeding .
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Overview and prospect of my country's mask industry development, production capacity has increased significantly
Time of Update: 2022-05-22
Driven by factors such as policy support, China's mask production capacity and output have risen rapidly, effectively solving the problem of tight supply and contributing to the prevention and control of the global new crown pneumonia epidemic .
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Preparation method of carboxymethyl chitosan
Time of Update: 2021-11-03
[Preparation method] Carboxymethyl chitosan is not sensitive to hydrolysis reaction and has the properties of amphoteric polyelectrolyte . The preparation of carboxymethyl chitosan is mainly prepared
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Colorimetric analysis method (1
Time of Update: 2021-09-21
This kind of analysis method that uses the measured components to react with reagents under certain conditions to produce colored compounds, and then measure the color of the colored solution and compare it with the standard solution to determine the content of the components is called colorimetric analysis .
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How can nutrition labels be arbitrarily marked
Time of Update: 2021-06-29
In response to the current issues of some food companies exaggerating nutrition and defrauding consumers, the general rules stipulate that any nutrition information indicated on the nutrition label of prepackaged food should be true and objective, without false information, or exaggerating the nutritional or other effects of the product; and Describes the level, presence, increase or decrease of energy and nutrients, and specifies specific content requirements and restrictions .
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Blue-Native Gel Electrophoresis for the Characterization of Protein Complexes in Plants
Time of Update: 2021-03-15
Upon combination with SDS-PAGE for a second gel dimension, protein complexes separated by the blue-native dimension are dissected into their subunits, which form vertical rows of spots on the resulting 2D gels.
2D blue-native/SDS-PAGE ideally complements 2D IEF/SDS-PAGE in proteomics.
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Nature sub-journal: How powerful is the placebo effect
Time of Update: 2020-08-23
two experiments, the researchers showed two separate groups of subjects a series of images, including images that could cause negative emotions and neutrality, with slightly different playback sequences and the time between each picture playing.
results showed that, in Experiment 1, non-deceptive placebos significantly reduced the self-reported emotional distress of subjects when negative images were shown.
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EMA accepts applications for listing of UC and CD for adult patients with take-field subcutaneous injection type Entyvio (vedolizumab
Time of Update: 2020-06-10
recently, Takeda, the giant of Pharmaceutical (http:// in Japan, announced that the European Pharmaceutical (http:// Authority (EMA) had accepted subcutaneous injection form Entyvio (vedolizum
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Marketing: the highest level of experience marketing is to convey emotion
Time of Update: 2020-04-03
Core tip: some marketing experts say: from the tide and trend of globalization, marketing in the 1950s and 1960s is the era of advertising and communication marketing, marketing in the 1970s and 1980s
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Coating Science Popularization: identification method of epoxy resin
Time of Update: 2020-03-05
There is no simple and exclusive test method for the crosslinking units in transformed epoxy or cured epoxy The Gibbs indophenol test of epoxy resin for phenol is a positive reaction (due to the prese
