Từ bên trong sách
Kết quả 1-3 trong 83
Trang 205
Both adsorption and desorption of H , on reduced Ni by change in temp . are irreversible . Adsorbed H , can be desorbed by evacuation at low temp . only with difficulty . If Ni is reduced at high temp . activated adsorption decreases ...
Both adsorption and desorption of H , on reduced Ni by change in temp . are irreversible . Adsorbed H , can be desorbed by evacuation at low temp . only with difficulty . If Ni is reduced at high temp . activated adsorption decreases ...
Trang 367
reduced ( H ,, Pto ,, aq . FeCl3 , AcOH ) to 4 : 7 - dimethoxy - 1 : 2- cyclopentenophenanthrene , m.p. 119-122 ° ( shrinking at 114 ° ) . The oxime , m.p. 244-246 ° ( acetate , m.p. 209-210 ° ) , of 3'- keto - 7 - methoxy - 4 - ethoxy ...
reduced ( H ,, Pto ,, aq . FeCl3 , AcOH ) to 4 : 7 - dimethoxy - 1 : 2- cyclopentenophenanthrene , m.p. 119-122 ° ( shrinking at 114 ° ) . The oxime , m.p. 244-246 ° ( acetate , m.p. 209-210 ° ) , of 3'- keto - 7 - methoxy - 4 - ethoxy ...
Trang 383
Catalytic reduction ( PtO2 ) of the quaternary salts of ( I ) gives those of ( IV ) . ... 300 ° ] , which contains OMe and NMe , and is reduced ( H ,, PtO ,, 2N - ACOH ) to a H , -derivative [ picrate , m.p. 220 ° ( decomp . ) ] .
Catalytic reduction ( PtO2 ) of the quaternary salts of ( I ) gives those of ( IV ) . ... 300 ° ] , which contains OMe and NMe , and is reduced ( H ,, PtO ,, 2N - ACOH ) to a H , -derivative [ picrate , m.p. 220 ° ( decomp . ) ] .
Nội dung mọi người đang nói đến - Viết bài đánh giá
Chúng tôi không t́m thấy bài đánh giá nào ở các vị trí thông thường.
Nội dung
General Physical and Inorganic Chemistry I II Subatomics | 1 |
Molecular Structure | 3 |
Crystal Structure | 5 |
39 phần khác không được hiển thị
Ấn bản in khác - Xem tất cả
Thuật ngữ và cụm từ thông dụng
absorption Acad acid activation energy activity adsorbed adsorption alloys Amer analysis approx ation atoms bands calc catalyst Chem chemical CO₂ coeff colloidal compounds Compt concn const containing crystal curves decomp decreases deposits described determined deuterons diffraction diffusion discussed effect electrolytes electron emission energy entropy equation equilibrium EtOH ferromagnetic films formation formed glass H₂ H₂O heat hydrogen hysteresis increases indicate Instr intensity ionisation ions Kolloid lattice layer liquid magnetic Me.v measured mesons mesotrons metals method minerals mixtures monoclinic neutrons observed obtained oxidation particles PhOH Phys Physical Chem Physical Rev polarisation potential presence pressure Proc protons quartz radioactive reaction Russ salts Shurn solid solid solutions sols solubility solutions solvent spectra spectrum structure surface temp theory thermal titration unit cell vals vapour velocity viscosity X-ray