|
CN101456821A
|
|
Synthetic method of <13>C marked glycine
|
|
CN101344520A
|
|
Detection method for stable isotope 15N marked kyrine product
|
|
CN101337874A
|
|
Method for preparing indanone compounds
|
|
CN101314108A
|
|
Filling material special for producing C-13 isotope with CO cryogenic rectification method
|
|
CN101314109A
|
|
Method for producing stable isotope of C-13 with chemical catalysis sorting by exchanging
|
|
CN101311707A
|
|
Stabile stable isotope (22)Ne, (20)Ne product gas purity analytical method
|
|
CN101284743A
|
|
Process for preparing complex fertilizer using sulfuric acid and ammine as partial raw material
|
|
CN101235109A
|
|
Method for preparing superhigh molecular weight polythene catalyst and application thereof
|
|
CN101234460A
|
|
Water-solubility dip coating tin scaling powder and preparation thereof
|
|
CN1962746A
|
|
Expansion type flame-proof smoke-suppressing soft polyvinyl chloride composition and its preparation method
|
|
CN101161690A
|
|
Catalyst for preparing super-high molecular weight polyethylene and preparation method thereof
|
|
CN101148503A
|
|
Preparation method of catalyst for ethylene oxide polymerization
|
|
CN101104127A
|
|
Method and device for absorptive drying
|
|
CN101053978A
|
|
Method for preparing molecular sieves dryer special used for pneumatic braking system
|
|
CN1981910A
|
|
Production of drying filter core for refrigerating system
|
|
CN1962625A
|
|
Isotope labeled 15 N-L-methionine preparation method
|
|
CN1962037A
|
|
Hypothermia distillation device and method for separating stable isotopes
|
|
CN1939839A
|
|
Purification for separating feed gas in stabilized isotope 13C by low-temperature CO rectifying method
|
|
CN1939906A
|
|
Synthesis of DL-tryptophane-alpha-N
|
|
CN1923966A
|
|
Liquid state petroleum hydrocarbon normal temperature dearsenicating agent and preparation method thereof
|
