Obedient
发表于 2025-3-23 10:07:26
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OFF
发表于 2025-3-23 15:04:40
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Paraplegia
发表于 2025-3-23 19:12:39
Bor und spezielle Borverbindungen,cance. Boron finds industrial application because of its hardness, chemical resistance and metallurgical properties and especially because of the high thermal neutron cross-section of the naturally occurring: (20%) .B isotope .
释放
发表于 2025-3-24 02:04:16
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谁在削木头
发表于 2025-3-24 03:56:20
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Camouflage
发表于 2025-3-24 10:03:11
Xiaofei Zhang,Thomas E. Witzig,Xiaosheng Wuct natural or synthetic materials. A comprehensive compilation of the data on the toxicity of boron compounds completes the review of the biological and therapeutic effects. The literature is covered through the end of 1978. Some more recent papers (1979/80) are also included.
Aphorism
发表于 2025-3-24 12:03:55
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exophthalmos
发表于 2025-3-24 16:11:10
Toxikologie,ution, their toxicity has been studied more thoroughly. The organoborons, including the carboranes, which are used mainly in the laboratory, range from slightly toxic to very toxic. The toxic mechanism is more or less known for several groups of boron compounds. The following chapters give the exper
吞下
发表于 2025-3-24 20:04:18
Einleitung,search. The use of boron and its compounds both as active agents and as adjuvants in pharmaceutical research, pharmacy, medicine, parasitology, bacteriology, mycology, entomology, hygiene, cosmetology, and food chemistry is described. Also described is the use of boron compounds as biocides to prote
讽刺
发表于 2025-3-25 01:01:26
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