Carbon aluminum foil can improve the comprehensive performance of lithium batteries and capacitors
Time of Update: 2022-11-20
lithium battery The carbon-coated aluminum foil in the lithium battery of electric bicycle is made of composite slurry based on conductive carbon and high-purity electronic aluminum foil, which is made by a transfer coating process, which has a considerable improvement in the comprehensive performance of lithium batteries and capacitors.
Introduction to the replacement cycle and basis for consumables of purified water equipment
Time of Update: 2022-09-21
Familiar with and master the maintenance standards of purified water equipment and effective implementation, is the long-term stable operation of the equipment, the effective guarantee of continuous w
Russian polymer production rises in January
Time of Update: 2022-08-27
According to the ICIS website, according to the announcement issued by the Russian statistical agency Rosstat on February 19 , Russia's total output of polyethylene (PE), polyvinyl chloride (PVC) and polystyrene (PS) increased in January .
Russia's PVC production increased by 0.3% from January to July this year
Time of Update: 2022-08-18
According to MRC's ScanPlast report, Russia's total polyvinyl chloride (PVC) production in the first seven months of 2019 was 553,700 tonnes, up 0.
3% year-on-year According to MRC's ScanPlast report, Russia's total polyvinyl chloride (PVC) production in the first seven months of 2019 was 553,700 tonnes, up 0.
Implementation of Group Standard for PVC Production Operation by Calcium Carbide Method
Time of Update: 2022-04-25
Among them, Tianye Group, based on years of experience in the operation and management of the chlor-alkali industry, has absorbed the management and operation experience of the chlor-alkali enterprises in the chlor-alkali industry, and has drafted the "Safety Operation Regulations for the Production of Polyvinyl Chloride by the Calcium Carbide Process Part 1: Acetylene Generation".
Time of Update: 2022-04-07
Thin layer plate silica gel GF254Eluent methylene chloride - methanol - acetic acid (5:0.
2)Inspect ultraviolet light (254nm) and 10% sulfuric acid ethanol solution, heated at 105°C until the color is clear, inspect under sunlight2.
The latest market quotations of technical materials and intermediates on February 18, 2016
Time of Update: 2022-03-26
? Nicotine products as the manufacturers continue to drive, the upstream and downstream are mainly stable, but the imidacloprid original drug is slightly tight, the imidacloprid original drug reported 93,000 yuan/ton, and the acetamiprid original drug fell in January, reported 88,000 yuan Yuan/ton, thiamethoxam technical was also affected by Hebei's environmental inspection, which was increased to 76,000 yuan/ton, and nitenpyram technical drug was 130,000 yuan/ton .
my country's fertilizer exports hit a new high
Time of Update: 2022-03-24
55 million tons of various fertilizers (in kind, the same below), an increase of 20% year-on-year, and the export volume hit a record high.
25 million tons, a year-on-year increase of 26.
9%; potassium sulfate exports were 77,000 tons, a year-on-year increase of 23.
The Ministry of Commerce monitors fertilizer prices slightly lower
Time of Update: 2022-03-18
3% respectively, and the prices of potassium chloride and ternary compound fertilizer remained stable.
4% over the previous week, of which the prices of diesel and gasoline increased by 1.
3%, and thermal coal prices unchanged from the previous week.
Soil and sediment. Determination of acrolein, acrylonitrile and acetonitrile. Gas chromatography (2
Time of Update: 2022-02-24
(2) Calibration curveWeigh 2g of quartz sand into the headspace bottle, quickly add 10mL matrix modifier, add a certain amount of standard solution, and prepare a standard series of more than 5 points (such as 2.
Stroke: Analysis of the effect of endovascular treatment in acute stroke patients with cerebral amyloid vascular disease
Time of Update: 2021-09-03
Intravascular thrombectomy with or without thrombolysis is beneficial to patients with acute ischemic stroke accompanied by CAA, but it is associated with poorer functional outcomes .
Product performance and production technology of 2-hydroxy-1-naphthaldehyde
Time of Update: 2021-08-12
The precipitated crystals were filtered and recrystallized with dilute ethanol to obtain yellow needle-like crystals with a melting point of 84-85°C, namely 2-hydroxy-1-naphthaldehyde, about 90 g, with a yield of 38% .
Time of Update: 2020-11-23
The crystallization sequence is: (1 ) dissolves the mixture to be purified in a suitable solvent of heat ; Soluble substances 3 ) allow the filter to cool slowly and crystallize, (4 ) filter out crystals, drying and test the purity of crystals.
What are the effects of pigment performance indicators on coatings
Time of Update: 2020-11-18
The strength of pigment coloring force not only depends on its properties, but also has a certain relationship with its dispersion degree.
The dispersion of pigments has obvious effects on the masking and coloring power of pigments, as well as on the chemical and chemical properties of coating films.
Marketing: types of polishing powder and analysis of polishing effect
Time of Update: 2020-04-03
Application scope and advantages of roller ceramic coating Recommended introduction: the surface of ceramic rubber plate used for roller ceramic coating is cast into durable rubber plate by hundreds o