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“…The title compound, [NH(3)(CH(2))(4)NH(3)](2+)·SiF(6) (2−), is a hybrid built from an organic butane-1,4-di­ammonium dication linked to a hexa­fluoro­silicate mineral anion. …”
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“…According to the witnesses, he was alone in the coffee shop, and besides him was a lighter refill canister containing 250 ml extra purified butane gas, and he suddenly collapsed and had seizure. …”
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“…By comparison with simulations of a constrained butane molecule that has the dihedral as the only degree of freedom, we show that internal friction comes from the six additional degrees of freedom in unconstrained butane that are orthogonal to the dihedral angle reaction coordinate. …”
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“…To develop a highly selective and efficient method for the facile removal of pesticide residues, the subcritical butane extraction (SBE) technique was employed, and three variables involving temperature, time and extraction cycles were studied. …”
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“…On the C(8)‐ and C(3)‐ILs, n‐butane adsorbs at 90 K with an initial trapping probability of ≈0.89. …”
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“…To study the combustion process of fuel in the microwave plasma torch, we designed a butane microwave plasma device exploiting a tungsten rod as an electrode. …”
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“…The asymmetric unit of the title compound, C(8)H(10)O(8)·2H(2)O, contains one half-mol­ecule of butane-1,2,3,4-tetra­carboxylic acid and a water mol­ecule, with the complete tetra-acid generated by crystallographic inversion symmetry. …”
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“…In the title compound, C(10)H(12)O(2), the substituted benzene ring is inclined at a dihedral angle of 75.9 (1)° to the almost planar butan-2-one substituent (r.m.s. deviation = 0.02 Å). …”
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“…The mol­ecule of the title compound, C(16)H(16)N(2)O(4), lies about an inversion centre; the butane chain adopts an extended zigzag conformation. …”
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“…The butane chain adopts an all-trans conformation. The dihedral angle between the mean plane of the butane-3-carboxyl­ate group [for the non-H atoms, maximum deviation = 0.0871 (15) Å] and the pyridine ring is 10.83 (7)°. …”
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“…In the title compound, C(5)H(9)NO(2)·H(2)O, the amino acid is in the usual zwitterionic form involving the α-carboxyl­ate group. The cyclo­butane backbone of the amino acid is disordered over two conformations, with occupancies of 0.882 (7) and 0.118 (7). …”
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“…The final goal of this work is to achieve a selective detection of butanal by the realization of a simple, small-size and low cost experimental approach. …”
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