|
CN109233284A
|
|
A kind of method and device preparing bi-component copolymerized siloxanes
|
|
CN108774187A
|
|
A kind of benzoxazole derivative preparation method and application
|
|
CN109160974A
|
|
A kind of aqueous phase preparation method of maleic anhydride-conjugated diene copolymer
|
|
CN109160973A
|
|
A kind of water phase ultrasonic synthetic method of maleic anhydride/α-virtue alkene copolymer
|
|
CN108752276A
|
|
The chromatographic purifying technique of the precursor reactant of catalytic asymmetric hydrogenation
|
|
CN108840825A
|
|
The recrystallization purifying technique of the precursor reactant of catalytic asymmetric hydrogenation
|
|
CN108497505A
|
|
A kind of decompression spinach juice extraction equipment
|
|
CN108479122A
|
|
A kind of defoaming device and the broken wall foam fraction factor purification system containing the device
|
|
CN105413219A
|
|
Air injection device of continuous foam distillation separation and purification tower
|
|
CN105413220A
|
|
Continuous foam rectifying, separating and purifying device
|
|
CN105396316A
|
|
Continuous foam rectification separation concentration tower with heating function
|
