|
CN112094247A
|
|
Cephalosporin drug intermediate and synthesis method thereof
|
|
CN112079791A
|
|
Monocyclic beta-lactam antibiotic side chain acid and ester thereof, preparation method and application thereof
|
|
CN111742676A
|
|
Special fertilizer for staple potato varieties
|
|
CN111733063A
|
|
Microbial agent for improving utilization of nitrogen in saline-alkali soil, application method and preparation device
|
|
CN111690519A
|
|
Soil microorganism bacterial continuous screening device
|
|
CN111777434A
|
|
Livestock and poultry breeding manure heating microorganism decomposing method and decomposing device thereof
|
|
CN111807901A
|
|
Special water-soluble fertilizer for corn and preparation method thereof
|
|
CN111811867A
|
|
Sampling straight-through pipe inserting mechanism for detecting components for extracting severe soil salinization
|
|
CN111675641A
|
|
Monocyclic beta-lactam compound, monocyclic lactam compound salt and preparation method thereof
|
|
CN111592536A
|
|
Monocyclic beta-lactam compound and preparation method and application thereof
|
|
CN111574473A
|
|
Method for synthesizing aminothiazole compound
|
|
CN111500295A
|
|
Preparation system and method of saline-alkali soil microbial improver
|
|
CN111650025A
|
|
Portable manual soil solution vibration leaching device
|
|
CN111496457A
|
|
Farmland irrigation water pipe butt joint auxiliary device and using method thereof
|
|
CN111233580A
|
|
Method for promoting rapid decomposition and composting of potato starch processing waste residues
|
|
CN111073659A
|
|
Carbon-based soil conditioner for heavy saline-alkali soil
|
