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Copper lacks upward momentum Prices are expected to be dominated by weak shocks
Time of Update: 2022-12-16
In terms of external trading, Apanlon copper opened at 5764 US dollars / ton, maintained a narrow range after the opening in the morning, and moved up to around 5772 US dollars / ton at noon, during which it tested 5775 US dollars / ton.
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After a brief rebound, aluminum will maintain a downward trend
Time of Update: 2022-12-15
In terms of external trading, Lun aluminum opened at 1866 US dollars / ton in the morning, the Asian trading session was weak, under pressure of 1865 US dollars / ton, tested down to 1855.
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Copper prices rose slightly Watch for guidance on changes in the US dollar
Time of Update: 2022-12-12
On Friday, the Shanghai copper main 1811 contract opened at 47640 yuan / ton in the morning, long positions increased at the beginning of the session, copper prices touched 47780 yuan / ton, and then
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Copper prices failed to continue to rise, and the center of gravity shifted downward
Time of Update: 2022-12-11
On Monday, the main 1808 contract of Shanghai copper opened at 51900 yuan / ton, the central bank announced a directional RRR reduction to release liquidity of 700 billion yuan, market confidence was
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Copper prices rose strongly, enhancing the confidence of bulls
Time of Update: 2022-12-10
During the day, the Shanghai copper 1808 contract closed strongly at 53320 yuan / ton, effectively running above the moving average group, enhancing the confidence of bulls, mainly boosted by the weakening of the US dollar and copper mine negotiation concerns.
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Shanghai copper shock rebound There is still a downside risk in the short term
Time of Update: 2022-12-04
In terms of market: on December 21, Shanghai electrolytic copper spot traded at a discount of 250-130 yuan / ton for the contract of the month, and the transaction price of flat water copper was 44820-45050 yuan / ton.
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Shanghai copper volatility is strong, and the market transaction is light
Time of Update: 2022-12-03
Shanghai copperIn terms of external trading, London copper opened at 4807 US dollars / ton, during the Asian session, London copper slightly tested the low and rebounded, and then fell back to the high level suppressed by the strengthening of the US dollar, fell below the intraday low and then the shock touched the daily average, driven by the rise of crude oil in the afternoon, London copper rushed to 4818.
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On the supply side, there is more news, and copper prices continue to fluctuate strongly
Time of Update: 2022-11-25
Shanghai copper soared higher in the morning on Thursday, with futures reaching a maximum of 67,230 yuan, continuing to update a more than four-month high and closing up 0 85%. Macro pressure is limit
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New progress in microenvironment regulation of carbon dioxide electrocatalytic interface under acidic conditions
Time of Update: 2022-09-22
Recently, Professor Li Chunzhong and Jiang Hongliang Distinguished Researcher from the School of Chemical Engineering of East China University of Science and Technology have made new progress in the study of carbon dioxide electrocatalytic interface microenvironment regulation under acidic conditions .
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JDR: Shenlian Decoction improves blood sugar by modulating gut microbiota in db/db mice
Time of Update: 2022-04-20
Many studies have shown that both Coptis chinensis and ginseng have the effect of mediating glucose metabolism , but their anti-diabetic mechanism needs further study .
Alpha diversity analysis showed that ginseng, coptis and SL decoction interventions could reverse the increase in the diversity and richness of gut microbiota in db/db mice .
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Six batches of unqualified foods detected in Jiangxi involved microbial contamination and quality index issues
Time of Update: 2021-12-03
，，、3166，6， 。 ，4，：（）、；，；（） 。 ， 、、、，，、， 。《 》（GB 19298-2014）《GB 8537-2018 》，、n=5,c=0,m=0，CFU/250mL 。：，；； 。 ，， 。，，；， 。《GB 2726-2016 》，（）n=5,c=2,m=104,M=105CFU/g 。，， 。 2，：；， 。 Total nitrogen is on
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Production principle and technological process of m-nitrocinnamic acid
Time of Update: 2021-08-15
6. Production processAdd 2660kg of concentrated sulfuric acid into the dry nitration reactor, add 264kg of sodium nitrate under stirring , and increase the temperature to 75°C to dissolve the sodium nitrate .
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How does the takeaway errands fake, and does the business model of errands work
Time of Update: 2021-04-16
Li and her friends from Wuhan, Hubei Province ordered 7 dishes through the well-known chain store "Liang Liang Steamed Shrimp" through Ele. me, and then the errand riders delivered them home.
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Wood coating detection methods and standards
Time of Update: 2020-12-18
varnishes: ester varnish, phenolic varnish, alcoholic varnish, nitro varnish, perchloroethylene varnish, etc.
basic performance: appearance, viscosity, density, fineness, flash point, outflow time, non-volatile content, paint-based acid value, paint-based saponification value, Paint-based softening point, paint-based glass transformation temperature, storage stability, etc.
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Sperm top stain stain for Sperm Acrosomes
Time of Update: 2020-11-02
4. Blot the slides dry and then rinse them in 1% (v/v) acetic acid for 10 seconds.
8. In normal sperm, strong red color is observed in the acrosomal membrane, and the equatorial region is well defined.
