New progress has been made in L-menthol (L-menthol) research, and chemical synthesis is expected to become its mainstream preparation method
L-menthol, also known as L-menthol and L-menthol, has a chemical formula of C10H20O and is an organic compound. L-menthol appears as colorless needle-like crystals with a mint aroma and is easily solu…
Dimethylacetone (3-pentanone) is an environmentally friendly chemical product, and the acid-acid synthesis method is its mainstream preparation method.
Dimethylacetone, also known as 3-pentanone and diethyl ketone, has a molecular formula of C5H10O and is an organic compound. Dimethylacetone appears as a colorless liquid with an odor of acetone and i…
Andrographolide has high medicinal value and the extraction method is currently the main production process.
Andrographolide is the main active ingredient of the traditional Chinese medicine Andrographis paniculata. Under normal conditions, it mainly appears as white rectangular crystals with an extremely bi…
Urolithin A has good application prospects and biological fermentation is expected to become a new preparation method
Urolithin A, also known as 3,8-dihydroxy-6H-dibenzo[B,D]pyran-6-one, is a natural metabolite found in pomegranate and some other fruits and nuts. Light brown to yellow solid powder, soluble in dimethy…
Construction method and steps of inorganic insulation mortar fireproof isolation belt insulation layer
The construction method and steps of the inorganic insulation mortar fireproof isolation belt insulation layer mainly include the following aspects: 1. When reserving a 300mm fireproof isolation belt,…
Formula and detection method of pump truck lubricant
The formula of concrete pipe wetting agent can be clearly explained from the aspects of the composition, selection and function of the developed product. 1. Selection rules for concrete runner formula…
What to do if concrete segregates? Use this emergency treatment method quickly!
Concrete segregation not only affects the construction, but also affects the homogeneity of the concrete. If the concrete mixer segregates during use, it will become very troublesome. There are many r…
Gypsum-based self-leveling floor leveling material used in the field of construction engineering and preparation method thereof
The present invention relates to a gypsum-based self-leveling floor leveling material used in the field of construction engineering and a preparation method thereof. Each component and its weight perc…
Nanjing University of Technology’s “A vegetable oil polyol and its preparation method and application” won the Nanjing Patent Gold Award
Recently, the Nanjing Intellectual Property Office announced the “Decision on Recognizing the Nanjing Patent Award in 2023” (Ningzhi [2023] No. 27). This time, a total of 5 Nanjing Patent …
Dosage of antifreeze in cold concrete method Nanling County antifreeze manufacturer Wuwei early strength antifreeze
Winter concrete is roughly divided into three categories: cold concrete, negative temperature concrete and early strength concrete. Cold concrete means that except for the mixing water, which must rem…
