نتایج جستجو برای: hexamethylenetetramine
تعداد نتایج: 253 فیلتر نتایج به سال:
The majority of the 76 new compounds possessed spirocheticidal powers ranging between 1: 1,000 (30) to 1:2,500 (14), while only 2 attained the power of 1:5,000, 1 of 1: 25,000, and 2 of 1: 50,000. On the other hand, 8 killed the spirochetes in a dilution of 1: 750, 10 in 1:500, 7 in 1:250. 1 in 1: 100, and 1 in 1:50. It may be mentioned that the 2 (M1, M4) of 1:50,000 and 1 (M7) of 1:25,000 bel...
A variety of photoluminescent, and in some cases thermochromic, metal-organic networks of CuCN were self-assembled in aqueous reactions with amine ligands: (CuCN) 2(Pip) ( 1a), (CuCN) 20(Pip) 7 ( 1b), (CuCN) 7(MePip) 2 ( 2), (CuCN) 2(Me 2Pip) ( 3a), (CuCN) 4(Me 2Pip) ( 3b), (CuCN) 7(EtPip) 2 ( 4), (CuCN) 4(Et 2Pip) ( 5), (CuCN) 3(BzPip) 2 ( 6a), (CuCN) 5(BzPip) 2 ( 6b), (CuCN) 7(BzPip) 2 ( 6c),...
To provide a high-strength, non-resin organic plugging agent for water shutoff in carbonate fracture and cave reservoirs, high-strength gel was prepared with polyvinyl alcohol 1788 as gelant p-phthalaldehyde crosslinker this study. By selecting latent acids rather than strong acid such hydrochloric sulfuric catalysts, by adding clay sulphonated phenolic resin stabilisers to the gelation, drawba...
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