The recent market performance of the photovoltaic sector has attracted much attention.As of the close on May 28th,According to Wind data,the concept index of photovoltaic inverters increased by 2.13%;Among individual stocks,Kyushu Group and Taijia Shares rose more than 20%on the 5th.On the news front,the China Photovoltaic Industry Association recently organized a symposium on high-quality development

The Middle East region has close economic and trade relations with China.As of the end of 2023,among the top 10 crude oil import source countries in China,crude oil countries in the Middle East occupy 5 seats.Among them,Saudi Arabia is China’s largest trading partner in the Middle East region,and China is also Saudi Arabia’s largest crude

Recently,Finnish and Swedish power companies announced plans related to nuclear hydrogen production.Previously,Fortum,a Finnish company,announced the construction of a hydrogen production test plant near the Loviza nuclear power plant,while OKG,a Swedish company,signed a contract with Hynion to supply hydrogen produced by the Oskarshamn nuclear power plant to its refueling station. Since 1992,OKG has been using electricity

During the May Day holiday,international crude oil futures prices showed a weak downward trend.The cumulative decline in WTI crude oil futures prices was 5.73%,and the cumulative decline in Brent crude oil futures prices was 3.65%.On the first trading day after the holiday,the domestic crude oil futures contract 2406 fell sharply by 4.25%to 419 yuan/barrel.Currently,with the

Due to escalating tensions with the West,Russian leaders announced many years ago that the country will shift its economic development focus to the East,which is also evident in natural gas transportation. Russian state-owned energy company Gazprom has become China’s most important pipeline natural gas supplier.According to the Russian news agency Interfax,citing Chinese customs,the company exported

Pyridine p-toluenesulfonate,also known as 4-methylbenzenesulfonate,PPT,is a white crystalline and powder with the molecular formula C7H8O3S·C5H5N. It is highly hygroscopic and needs to be stored in a closed container.It should be stored in a cool,dry,and well ventilated place,away from incompatible substances. In organic synthesis,pyridinium p-toluenesulfonate is a widely used,mild,and laboratory prepared acidic catalyst.It can be simply

Pyridine trioxide is a commonly used chemical raw material,also known as a compound of pyridine trioxide;Sulfur trioxide pyridine complex;Pyridine sulfur trioxide;Pyridine trioxide complex. Because it has many excellent properties and advantages,it is widely used in fields such as medicine,printing and dyeing,pesticides,spices,etc. As a commonly used sulfonation agent,it has mild reactions and stable properties,and is often

Diisopropyl azodicarboxylic acid is a commonly used polymer material,which has excellent heat resistance and chemical resistance,and is therefore widely used in various fields. However,as the temperature increases,diisopropyl azodicarboxylic acid will decompose,which poses certain limitations on its application. The decomposition temperature of diisopropyl azodicarboxylic acid refers to the temperature at which the material begins to decompose

Pyridine hydrochloride is a product of the reaction between pyridine and hydrochloric acid,and is the hydrochloride state of pyridine. It has the characteristics of good stability and strong solubility,and is therefore widely used in multiple fields.It can be used as an organic synthesis intermediate and a pharmaceutical intermediate,such as in the pharmaceutical field,traditional Chinese medicine

Diethylazodicarboxylate,CAS number 1972-28-7,molecular formula(C2H5OOCN)2,English name Diethylazodicarboxylate,DEAD is a Michael addition receptor.Under the catalysis of copper salts,it reacts withβ-Ketone ester reaction yields hydrazine derivatives.DEAD can also act as a hydrophilic diene to undergo Diels Alder reactions with conjugated dienes,generating[4+2]adducts.If the diene component is aryl ethylene,it can be used for the synthesis of cyclotetrahydropyridazine.The generated adducts can