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Yiwei Lithium will increase the capital of 50,000 tons of lithium battery high nickel ternary material production capacity
Time of Update: 2021-07-20
On the evening of May 17th, Yiwei Lithium Energy announced that the 29th meeting of the fifth board of directors of the company held on the same day
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Cobalt and nickel complex
Time of Update: 2021-06-29
The green Ni(CN) 2 is insoluble in water and can be dissolved in potassium cyanide solution to obtain yellow [Ni(CN) 4 ] 2- solution; if potassium cyanide solution is excessive, [Ni(CN) 5 ] 3- red solution is finally formed .
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The concept and changing law of element electronegativity
Time of Update: 2021-06-18
The greater the electronegativity value of the element, the stronger the atom's ability to attract electrons in the molecule .
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Influence of the particle size of the bottom layer powder on the performance of chromium carbide-nickel-chromium-aluminum-yttrium coating
Time of Update: 2021-05-07
1HV; while the bonding strength of the coating prepared by the fine particle powder is 58.
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Chemical nickel plated surface treatment before related matters
Time of Update: 2020-12-26
In order to strengthen the performance of metal surface use, in industrial use, we will generally use chemical nickel plating for surface treatment to improve, chemical nickel plating treatment corrosion resistance is relatively good, and its
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The spatial distribution of radioisotopes of titanium and nickel in Cassiopeio A was simulated by the Japanese Academy of Sciences.
Time of Update: 2020-08-28
An international joint team of researchers from Japan's Institute of Science and Chemistry has successfully recreated the spatial distribution of titanium and nickel in Cassiopeio A, the supernova debris that erupted about 340 years ago, using new computer simulations.
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Methyl esterification: New nickel modification seislicing can be efficient lysing with NAD-synthetic path mutants (ao-1 and qs-1)
Time of Update: 2020-08-08
differs from the two-step remediation synthesis of NAD in mammals, which is the four-step Preiss-Handler pathway in terrestrial plants, and where there are a variety of derivatives of nicotine (nicotine, NA) specifically present in plants (glycosylation, methylation, etc.).
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What is nickel smelting?
Time of Update: 2020-04-03
Although the ore comes from different places, it can be divided into two types: nickel bearing laterite or rock in tropical climate and sulfide ore from underground.
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PROTECTOLINE100 Chemical Nickel Without Chromium Passivant
Time of Update: 2020-03-04
The concentration formulation and impregnation time of chromium-free passivation agent can be adjusted appropriately according to different products or different deposition coating methods.
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Protectoline100 chemical nickel chromium free passivator
Time of Update: 2020-03-04
1
Product introduction protectoline 100 is a water-soluble organic passivator without nitric acid
Protectoline 100 can be diluted with water in any ratio
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Shen Xiao group, Wuhan University: highly selective synthesis of trisubstituted alkenyl silicon compounds catalyzed by boron and nickel
Time of Update: 2020-02-21
Organosilicon compounds are widely used in synthetic chemistry and materials science
The functional group substituted alkenyl silicon is an important kind of alkenyl
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Angelw: nickel catalyzed intermolecular and intramolecular metathesis of aryl thioethers via reversible arylation
Time of Update: 2020-01-02
The emergence of cross coupling reactions catalyzed by various metals (such as PD, Cu and CD) has greatly promoted the development of C-S bond formation, and various electrophilic precursors can be used to construct complex aryl thioethers (scheme 1a).
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JACS of Newhouse group: Benzyl dehydrogenation of electron deficient Heterocyclic Aromatic Hydrocarbons Catalyzed by aryl nickel
Time of Update: 2019-12-25
Newhouse team reported the benzyl dehydrogenation of electron deficient Heterocyclic Aromatic Hydrocarbons Catalyzed by nickel, which uses ligands and oxidants to promote the β - hydrogen elimination process.
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Chem. SCI.: 1,2-benzylboronization of 1,2-disubstituted non activated olefins catalyzed by nickel
Time of Update: 2019-11-11
The functional group reaction of olefins has been one of the research hotspots in the field of organic synthesis
There are more studies on the homodifunctionalization
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Angelw: nickel / photocatalysis for asymmetric acyl coupling
Time of Update: 2019-10-22
In the past few decades, Ni catalyst has been greatly developed in coupling reaction, and many valuable natural products, polymers and drugs have been produced by Ni catalyst
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of nonactivated olefins by series reaction of migration insertion / decarboxylation coupling under the catalysis of nickel
Time of Update: 2019-09-22
In 2019, Wang Chuan group used alkyl bromide as alkylation reagent to realize the aryl alkylation of non activated olefins catalyzed by reductive nickel (chem.
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Research group of Professor Wang Chuan, University of science and technology of China: nickel
Time of Update: 2019-09-14
The reduction Heck reaction of Professor Wang Chuan's group is an important method to construct saturated C-C bond in organic chemistry, and it has an important application
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Research group of Professor Kong Wangqing of Wuhan University: nickel catalyzed asymmetric
Time of Update: 2019-09-13
Introduction olefins are cheap and easy to obtain, and also easy to prepare, which are important chemical raw materials
The transition metal catalyzed bifunctional
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Angelw: the Reisman group of Caltech converted enol trifluoromethylsulfonate to haloalkene under the catalysis of nickel
Time of Update: 2019-09-05
Recently, Hayashi's group has converted enol trifluoromethylsulfonate into iodide, bromide or chloride at room temperature under Ru catalysis, but the Ru catalyst needed is not suitable for commercial production, and there are limited examples of iodoene formation.
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Research group of Shi Shiliang, Shanghai organic Research Institute: asymmetric C-H alkylation of PFA catalyzed by N-heterocyclic carbene nickel
Time of Update: 2019-08-31
Recently, the research group of Shi Shiliang, a researcher in the State Key Laboratory of organometallic chemistry, Shanghai Institute of organic chemistry, Chinese Academy of Sciences, has realized the catalytic asymmetric C-H bond functionalization of PFA for the first time.
