ON Shanghai’s acrobatic stage, the audience held its breath while it watched a lion put its front paws on the shoulders of a dainty and beautiful young woman and licked her face with its red tongue. The girl was perf...ON Shanghai’s acrobatic stage, the audience held its breath while it watched a lion put its front paws on the shoulders of a dainty and beautiful young woman and licked her face with its red tongue. The girl was perfectly calm, even smiling. This legendary woman is Zhang Xiuhong, a lion-tamer in the Shanghai Acrobatic Troupe. I Fear the Lion When she was 11, Zhang Xiuhong joined the Shanghai Acrobatic Troupe Soon afterward, she was assigned to work as a lion-tamer. The first animal she tamed was a lion cub. From展开更多
We identify a class of transcendental entire maps of finite order, of disjoint-type, satisfying the rapid derivative growth condition. Within this class, we show that there exist hyperbolic transcendental entire maps ...We identify a class of transcendental entire maps of finite order, of disjoint-type, satisfying the rapid derivative growth condition. Within this class, we show that there exist hyperbolic transcendental entire maps that generate a large class of potentials which intersect the so-called tame potentials and form a distinct class of potentials. The methods and techniques derived from the thermodynamic formalism are applied to these potentials for transcendental entire maps acting on some subset of the Julia set which is conjugated to the shift map over a code space with a countable alphabet endowed with the euclidean induced metric on the complex plane.展开更多
油页岩热解过程中产生大量的高质量浓度含酚废水无法排放,文中采用溶剂萃取法,以甲基叔戊基醚(TAME)为溶剂,针对页岩油含酚废水的处理进行初步研究。通过实验和Aspen P lus软件模拟相结合来考察TAME的萃取脱酚性能,研究了不同温度和相...油页岩热解过程中产生大量的高质量浓度含酚废水无法排放,文中采用溶剂萃取法,以甲基叔戊基醚(TAME)为溶剂,针对页岩油含酚废水的处理进行初步研究。通过实验和Aspen P lus软件模拟相结合来考察TAME的萃取脱酚性能,研究了不同温度和相比条件下错、逆流萃取流程的分离性能。结果表明:TAME的脱酚能力很强,对苯酚的分配系数在40—60之间,pH值在2—10时萃取率达95%以上。此外比较了错、逆流3级萃取工艺,综合考虑萃取效果和溶剂用量,逆流多级萃取远远优于错流多级萃取,塔内3级萃取相比为2时出口废水酚质量浓度可降到1 mg/L以下,且受温度影响不明显。可见TAME的脱酚性能优异,在酸碱性体系中均适用,同时TAME原料易得,成本较低,可以作为含酚废水萃取工艺的萃取剂。展开更多
文摘ON Shanghai’s acrobatic stage, the audience held its breath while it watched a lion put its front paws on the shoulders of a dainty and beautiful young woman and licked her face with its red tongue. The girl was perfectly calm, even smiling. This legendary woman is Zhang Xiuhong, a lion-tamer in the Shanghai Acrobatic Troupe. I Fear the Lion When she was 11, Zhang Xiuhong joined the Shanghai Acrobatic Troupe Soon afterward, she was assigned to work as a lion-tamer. The first animal she tamed was a lion cub. From
文摘We identify a class of transcendental entire maps of finite order, of disjoint-type, satisfying the rapid derivative growth condition. Within this class, we show that there exist hyperbolic transcendental entire maps that generate a large class of potentials which intersect the so-called tame potentials and form a distinct class of potentials. The methods and techniques derived from the thermodynamic formalism are applied to these potentials for transcendental entire maps acting on some subset of the Julia set which is conjugated to the shift map over a code space with a countable alphabet endowed with the euclidean induced metric on the complex plane.
文摘油页岩热解过程中产生大量的高质量浓度含酚废水无法排放,文中采用溶剂萃取法,以甲基叔戊基醚(TAME)为溶剂,针对页岩油含酚废水的处理进行初步研究。通过实验和Aspen P lus软件模拟相结合来考察TAME的萃取脱酚性能,研究了不同温度和相比条件下错、逆流萃取流程的分离性能。结果表明:TAME的脱酚能力很强,对苯酚的分配系数在40—60之间,pH值在2—10时萃取率达95%以上。此外比较了错、逆流3级萃取工艺,综合考虑萃取效果和溶剂用量,逆流多级萃取远远优于错流多级萃取,塔内3级萃取相比为2时出口废水酚质量浓度可降到1 mg/L以下,且受温度影响不明显。可见TAME的脱酚性能优异,在酸碱性体系中均适用,同时TAME原料易得,成本较低,可以作为含酚废水萃取工艺的萃取剂。
